From 82dc3c63c692b1e1d59378ecee948ac88e034aad Mon Sep 17 00:00:00 2001 From: Eric Dumazet Date: Tue, 5 Mar 2013 15:57:22 +0000 Subject: net: introduce NAPI_POLL_WEIGHT Some drivers use a too big NAPI poll weight. This patch adds a NAPI_POLL_WEIGHT default value and issues an error message if a driver attempts to use a bigger weight. Signed-off-by: Eric Dumazet Cc: Eilon Greenstein Signed-off-by: David S. Miller --- net/core/dev.c | 3 +++ 1 file changed, 3 insertions(+) (limited to 'net/core') diff --git a/net/core/dev.c b/net/core/dev.c index a06a7a58dd11..96103894ad69 100644 --- a/net/core/dev.c +++ b/net/core/dev.c @@ -4057,6 +4057,9 @@ void netif_napi_add(struct net_device *dev, struct napi_struct *napi, napi->gro_list = NULL; napi->skb = NULL; napi->poll = poll; + if (weight > NAPI_POLL_WEIGHT) + pr_err_once("netif_napi_add() called with weight %d on device %s\n", + weight, dev->name); napi->weight = weight; list_add(&napi->dev_list, &dev->napi_list); napi->dev = dev; -- cgit v1.2.3 From 090096bf3db1c281ddd034573260045888a68fea Mon Sep 17 00:00:00 2001 From: Vlad Yasevich Date: Wed, 6 Mar 2013 15:39:42 +0000 Subject: net: generic fdb support for drivers without ndo_fdb_ If the driver does not support the ndo_op use the generic handler for it. This should work in the majority of cases. Eventually the fdb_dflt_add call gets translated into a __dev_set_rx_mode() call which should handle hardware support for filtering via the IFF_UNICAST_FLT flag. Namely IFF_UNICAST_FLT indicates if the hardware can do unicast address filtering. If no support is available the device is put into promisc mode. Signed-off-by: Vlad Yasevich Signed-off-by: John Fastabend Signed-off-by: David S. Miller --- include/linux/rtnetlink.h | 9 ++++++ net/core/rtnetlink.c | 81 +++++++++++++++++++++++++++++++++++++++++++---- 2 files changed, 84 insertions(+), 6 deletions(-) (limited to 'net/core') diff --git a/include/linux/rtnetlink.h b/include/linux/rtnetlink.h index 489dd7bb28ec..f28544b2f9af 100644 --- a/include/linux/rtnetlink.h +++ b/include/linux/rtnetlink.h @@ -69,6 +69,15 @@ extern int ndo_dflt_fdb_dump(struct sk_buff *skb, struct netlink_callback *cb, struct net_device *dev, int idx); +extern int ndo_dflt_fdb_add(struct ndmsg *ndm, + struct nlattr *tb[], + struct net_device *dev, + const unsigned char *addr, + u16 flags); +extern int ndo_dflt_fdb_del(struct ndmsg *ndm, + struct nlattr *tb[], + struct net_device *dev, + const unsigned char *addr); extern int ndo_dflt_bridge_getlink(struct sk_buff *skb, u32 pid, u32 seq, struct net_device *dev, u16 mode); diff --git a/net/core/rtnetlink.c b/net/core/rtnetlink.c index b376410ff259..f95b6fbc29e9 100644 --- a/net/core/rtnetlink.c +++ b/net/core/rtnetlink.c @@ -2048,6 +2048,38 @@ errout: rtnl_set_sk_err(net, RTNLGRP_NEIGH, err); } +/** + * ndo_dflt_fdb_add - default netdevice operation to add an FDB entry + */ +int ndo_dflt_fdb_add(struct ndmsg *ndm, + struct nlattr *tb[], + struct net_device *dev, + const unsigned char *addr, + u16 flags) +{ + int err = -EINVAL; + + /* If aging addresses are supported device will need to + * implement its own handler for this. + */ + if (ndm->ndm_state && !(ndm->ndm_state & NUD_PERMANENT)) { + pr_info("%s: FDB only supports static addresses\n", dev->name); + return err; + } + + if (is_unicast_ether_addr(addr) || is_link_local_ether_addr(addr)) + err = dev_uc_add_excl(dev, addr); + else if (is_multicast_ether_addr(addr)) + err = dev_mc_add_excl(dev, addr); + + /* Only return duplicate errors if NLM_F_EXCL is set */ + if (err == -EEXIST && !(flags & NLM_F_EXCL)) + err = 0; + + return err; +} +EXPORT_SYMBOL(ndo_dflt_fdb_add); + static int rtnl_fdb_add(struct sk_buff *skb, struct nlmsghdr *nlh, void *arg) { struct net *net = sock_net(skb->sk); @@ -2100,10 +2132,13 @@ static int rtnl_fdb_add(struct sk_buff *skb, struct nlmsghdr *nlh, void *arg) } /* Embedded bridge, macvlan, and any other device support */ - if ((ndm->ndm_flags & NTF_SELF) && dev->netdev_ops->ndo_fdb_add) { - err = dev->netdev_ops->ndo_fdb_add(ndm, tb, - dev, addr, - nlh->nlmsg_flags); + if ((ndm->ndm_flags & NTF_SELF)) { + if (dev->netdev_ops->ndo_fdb_add) + err = dev->netdev_ops->ndo_fdb_add(ndm, tb, dev, addr, + nlh->nlmsg_flags); + else + err = ndo_dflt_fdb_add(ndm, tb, dev, addr, + nlh->nlmsg_flags); if (!err) { rtnl_fdb_notify(dev, addr, RTM_NEWNEIGH); @@ -2114,6 +2149,35 @@ out: return err; } +/** + * ndo_dflt_fdb_del - default netdevice operation to delete an FDB entry + */ +int ndo_dflt_fdb_del(struct ndmsg *ndm, + struct nlattr *tb[], + struct net_device *dev, + const unsigned char *addr) +{ + int err = -EOPNOTSUPP; + + /* If aging addresses are supported device will need to + * implement its own handler for this. + */ + if (ndm->ndm_state & NUD_PERMANENT) { + pr_info("%s: FDB only supports static addresses\n", dev->name); + return -EINVAL; + } + + if (is_unicast_ether_addr(addr) || is_link_local_ether_addr(addr)) + err = dev_uc_del(dev, addr); + else if (is_multicast_ether_addr(addr)) + err = dev_mc_del(dev, addr); + else + err = -EINVAL; + + return err; +} +EXPORT_SYMBOL(ndo_dflt_fdb_del); + static int rtnl_fdb_del(struct sk_buff *skb, struct nlmsghdr *nlh, void *arg) { struct net *net = sock_net(skb->sk); @@ -2171,8 +2235,11 @@ static int rtnl_fdb_del(struct sk_buff *skb, struct nlmsghdr *nlh, void *arg) } /* Embedded bridge, macvlan, and any other device support */ - if ((ndm->ndm_flags & NTF_SELF) && dev->netdev_ops->ndo_fdb_del) { - err = dev->netdev_ops->ndo_fdb_del(ndm, tb, dev, addr); + if (ndm->ndm_flags & NTF_SELF) { + if (dev->netdev_ops->ndo_fdb_del) + err = dev->netdev_ops->ndo_fdb_del(ndm, tb, dev, addr); + else + err = ndo_dflt_fdb_del(ndm, tb, dev, addr); if (!err) { rtnl_fdb_notify(dev, addr, RTM_DELNEIGH); @@ -2257,6 +2324,8 @@ static int rtnl_fdb_dump(struct sk_buff *skb, struct netlink_callback *cb) if (dev->netdev_ops->ndo_fdb_dump) idx = dev->netdev_ops->ndo_fdb_dump(skb, cb, dev, idx); + else + ndo_dflt_fdb_dump(skb, cb, dev, idx); } rcu_read_unlock(); -- cgit v1.2.3 From ec5f061564238892005257c83565a0b58ec79295 Mon Sep 17 00:00:00 2001 From: Pravin B Shelar Date: Thu, 7 Mar 2013 09:28:01 +0000 Subject: net: Kill link between CSUM and SG features. Earlier SG was unset if CSUM was not available for given device to force skb copy to avoid sending inconsistent csum. Commit c9af6db4c11c (net: Fix possible wrong checksum generation) added explicit flag to force copy to fix this issue. Therefore there is no need to link SG and CSUM, following patch kills this link between there two features. This patch is also required following patch in series. Signed-off-by: Pravin B Shelar Signed-off-by: David S. Miller --- include/linux/netdevice.h | 13 ++++++++++ net/core/dev.c | 63 +++++++++++++++++++++++++---------------------- net/core/skbuff.c | 13 ++++++++++ net/ipv4/af_inet.c | 3 --- net/ipv6/ip6_offload.c | 3 --- 5 files changed, 59 insertions(+), 36 deletions(-) (limited to 'net/core') diff --git a/include/linux/netdevice.h b/include/linux/netdevice.h index 896eb4985f97..e1ebeffa6b35 100644 --- a/include/linux/netdevice.h +++ b/include/linux/netdevice.h @@ -2683,6 +2683,19 @@ struct sk_buff *skb_gso_segment(struct sk_buff *skb, netdev_features_t features) { return __skb_gso_segment(skb, features, true); } +__be16 skb_network_protocol(struct sk_buff *skb); + +static inline bool can_checksum_protocol(netdev_features_t features, + __be16 protocol) +{ + return ((features & NETIF_F_GEN_CSUM) || + ((features & NETIF_F_V4_CSUM) && + protocol == htons(ETH_P_IP)) || + ((features & NETIF_F_V6_CSUM) && + protocol == htons(ETH_P_IPV6)) || + ((features & NETIF_F_FCOE_CRC) && + protocol == htons(ETH_P_FCOE))); +} #ifdef CONFIG_BUG extern void netdev_rx_csum_fault(struct net_device *dev); diff --git a/net/core/dev.c b/net/core/dev.c index 96103894ad69..bb999931729f 100644 --- a/net/core/dev.c +++ b/net/core/dev.c @@ -2208,16 +2208,8 @@ out: } EXPORT_SYMBOL(skb_checksum_help); -/** - * skb_mac_gso_segment - mac layer segmentation handler. - * @skb: buffer to segment - * @features: features for the output path (see dev->features) - */ -struct sk_buff *skb_mac_gso_segment(struct sk_buff *skb, - netdev_features_t features) +__be16 skb_network_protocol(struct sk_buff *skb) { - struct sk_buff *segs = ERR_PTR(-EPROTONOSUPPORT); - struct packet_offload *ptype; __be16 type = skb->protocol; while (type == htons(ETH_P_8021Q)) { @@ -2225,13 +2217,31 @@ struct sk_buff *skb_mac_gso_segment(struct sk_buff *skb, struct vlan_hdr *vh; if (unlikely(!pskb_may_pull(skb, vlan_depth + VLAN_HLEN))) - return ERR_PTR(-EINVAL); + return 0; vh = (struct vlan_hdr *)(skb->data + vlan_depth); type = vh->h_vlan_encapsulated_proto; vlan_depth += VLAN_HLEN; } + return type; +} + +/** + * skb_mac_gso_segment - mac layer segmentation handler. + * @skb: buffer to segment + * @features: features for the output path (see dev->features) + */ +struct sk_buff *skb_mac_gso_segment(struct sk_buff *skb, + netdev_features_t features) +{ + struct sk_buff *segs = ERR_PTR(-EPROTONOSUPPORT); + struct packet_offload *ptype; + __be16 type = skb_network_protocol(skb); + + if (unlikely(!type)) + return ERR_PTR(-EINVAL); + __skb_pull(skb, skb->mac_len); rcu_read_lock(); @@ -2398,24 +2408,12 @@ static int dev_gso_segment(struct sk_buff *skb, netdev_features_t features) return 0; } -static bool can_checksum_protocol(netdev_features_t features, __be16 protocol) -{ - return ((features & NETIF_F_GEN_CSUM) || - ((features & NETIF_F_V4_CSUM) && - protocol == htons(ETH_P_IP)) || - ((features & NETIF_F_V6_CSUM) && - protocol == htons(ETH_P_IPV6)) || - ((features & NETIF_F_FCOE_CRC) && - protocol == htons(ETH_P_FCOE))); -} - static netdev_features_t harmonize_features(struct sk_buff *skb, __be16 protocol, netdev_features_t features) { if (skb->ip_summed != CHECKSUM_NONE && !can_checksum_protocol(features, protocol)) { features &= ~NETIF_F_ALL_CSUM; - features &= ~NETIF_F_SG; } else if (illegal_highdma(skb->dev, skb)) { features &= ~NETIF_F_SG; } @@ -4921,20 +4919,25 @@ static netdev_features_t netdev_fix_features(struct net_device *dev, features &= ~(NETIF_F_IP_CSUM|NETIF_F_IPV6_CSUM); } - /* Fix illegal SG+CSUM combinations. */ - if ((features & NETIF_F_SG) && - !(features & NETIF_F_ALL_CSUM)) { - netdev_dbg(dev, - "Dropping NETIF_F_SG since no checksum feature.\n"); - features &= ~NETIF_F_SG; - } - /* TSO requires that SG is present as well. */ if ((features & NETIF_F_ALL_TSO) && !(features & NETIF_F_SG)) { netdev_dbg(dev, "Dropping TSO features since no SG feature.\n"); features &= ~NETIF_F_ALL_TSO; } + if ((features & NETIF_F_TSO) && !(features & NETIF_F_HW_CSUM) && + !(features & NETIF_F_IP_CSUM)) { + netdev_dbg(dev, "Dropping TSO features since no CSUM feature.\n"); + features &= ~NETIF_F_TSO; + features &= ~NETIF_F_TSO_ECN; + } + + if ((features & NETIF_F_TSO6) && !(features & NETIF_F_HW_CSUM) && + !(features & NETIF_F_IPV6_CSUM)) { + netdev_dbg(dev, "Dropping TSO6 features since no CSUM feature.\n"); + features &= ~NETIF_F_TSO6; + } + /* TSO ECN requires that TSO is present as well. */ if ((features & NETIF_F_ALL_TSO) == NETIF_F_TSO_ECN) features &= ~NETIF_F_TSO_ECN; diff --git a/net/core/skbuff.c b/net/core/skbuff.c index 33245ef54c3b..0a48ae20c903 100644 --- a/net/core/skbuff.c +++ b/net/core/skbuff.c @@ -2741,12 +2741,19 @@ struct sk_buff *skb_segment(struct sk_buff *skb, netdev_features_t features) unsigned int tnl_hlen = skb_tnl_header_len(skb); unsigned int headroom; unsigned int len; + __be16 proto; + bool csum; int sg = !!(features & NETIF_F_SG); int nfrags = skb_shinfo(skb)->nr_frags; int err = -ENOMEM; int i = 0; int pos; + proto = skb_network_protocol(skb); + if (unlikely(!proto)) + return ERR_PTR(-EINVAL); + + csum = !!can_checksum_protocol(features, proto); __skb_push(skb, doffset); headroom = skb_headroom(skb); pos = skb_headlen(skb); @@ -2884,6 +2891,12 @@ skip_fraglist: nskb->data_len = len - hsize; nskb->len += nskb->data_len; nskb->truesize += nskb->data_len; + + if (!csum) { + nskb->csum = skb_checksum(nskb, doffset, + nskb->len - doffset, 0); + nskb->ip_summed = CHECKSUM_NONE; + } } while ((offset += len) < skb->len); return segs; diff --git a/net/ipv4/af_inet.c b/net/ipv4/af_inet.c index 68f6a94f7661..dc3f677360a5 100644 --- a/net/ipv4/af_inet.c +++ b/net/ipv4/af_inet.c @@ -1284,9 +1284,6 @@ static struct sk_buff *inet_gso_segment(struct sk_buff *skb, int id; unsigned int offset = 0; - if (!(features & NETIF_F_V4_CSUM)) - features &= ~NETIF_F_SG; - if (unlikely(skb_shinfo(skb)->gso_type & ~(SKB_GSO_TCPV4 | SKB_GSO_UDP | diff --git a/net/ipv6/ip6_offload.c b/net/ipv6/ip6_offload.c index 8234c1dcdf72..7a0d25a5479c 100644 --- a/net/ipv6/ip6_offload.c +++ b/net/ipv6/ip6_offload.c @@ -92,9 +92,6 @@ static struct sk_buff *ipv6_gso_segment(struct sk_buff *skb, u8 *prevhdr; int offset = 0; - if (!(features & NETIF_F_V6_CSUM)) - features &= ~NETIF_F_SG; - if (unlikely(skb_shinfo(skb)->gso_type & ~(SKB_GSO_UDP | SKB_GSO_DODGY | -- cgit v1.2.3 From ee579677c29954f20e48e5bb80ae85b30100c2e0 Mon Sep 17 00:00:00 2001 From: Pravin B Shelar Date: Thu, 7 Mar 2013 09:28:08 +0000 Subject: tunnel: Inherit NETIF_F_SG for hw_enc_features. Inherit scatergather feature for tunnel devices to avoid copy for TSO packets of tunneling device like GRE. Signed-off-by: Pravin B Shelar Signed-off-by: David S. Miller --- net/core/dev.c | 4 ++++ 1 file changed, 4 insertions(+) (limited to 'net/core') diff --git a/net/core/dev.c b/net/core/dev.c index bb999931729f..90cee5be1c0f 100644 --- a/net/core/dev.c +++ b/net/core/dev.c @@ -5205,6 +5205,10 @@ int register_netdevice(struct net_device *dev) */ dev->vlan_features |= NETIF_F_HIGHDMA; + /* Make NETIF_F_SG inheritable to tunnel devices. + */ + dev->hw_enc_features |= NETIF_F_SG; + ret = call_netdevice_notifiers(NETDEV_POST_INIT, dev); ret = notifier_to_errno(ret); if (ret) -- cgit v1.2.3 From f5b1729443fdaf57766f99dd6e18d9b4b6f7a89e Mon Sep 17 00:00:00 2001 From: Pravin B Shelar Date: Thu, 7 Mar 2013 13:21:40 +0000 Subject: net: Add skb_headers_offset_update helper function. This function will be used in next VXLAN_GSO patch. This patch does not change any functionality. Signed-off-by: Pravin B Shelar Acked-by: Stephen Hemminger Signed-off-by: David S. Miller --- net/core/skbuff.c | 34 ++++++++++++++-------------------- 1 file changed, 14 insertions(+), 20 deletions(-) (limited to 'net/core') diff --git a/net/core/skbuff.c b/net/core/skbuff.c index 0a48ae20c903..0278c7f787bf 100644 --- a/net/core/skbuff.c +++ b/net/core/skbuff.c @@ -867,6 +867,17 @@ struct sk_buff *skb_clone(struct sk_buff *skb, gfp_t gfp_mask) } EXPORT_SYMBOL(skb_clone); +static void skb_headers_offset_update(struct sk_buff *skb, int off) +{ + /* {transport,network,mac}_header and tail are relative to skb->head */ + skb->transport_header += off; + skb->network_header += off; + if (skb_mac_header_was_set(skb)) + skb->mac_header += off; + skb->inner_transport_header += off; + skb->inner_network_header += off; +} + static void copy_skb_header(struct sk_buff *new, const struct sk_buff *old) { #ifndef NET_SKBUFF_DATA_USES_OFFSET @@ -879,13 +890,7 @@ static void copy_skb_header(struct sk_buff *new, const struct sk_buff *old) __copy_skb_header(new, old); #ifndef NET_SKBUFF_DATA_USES_OFFSET - /* {transport,network,mac}_header are relative to skb->head */ - new->transport_header += offset; - new->network_header += offset; - if (skb_mac_header_was_set(new)) - new->mac_header += offset; - new->inner_transport_header += offset; - new->inner_network_header += offset; + skb_headers_offset_update(new, offset); #endif skb_shinfo(new)->gso_size = skb_shinfo(old)->gso_size; skb_shinfo(new)->gso_segs = skb_shinfo(old)->gso_segs; @@ -1077,14 +1082,8 @@ int pskb_expand_head(struct sk_buff *skb, int nhead, int ntail, #else skb->end = skb->head + size; #endif - /* {transport,network,mac}_header and tail are relative to skb->head */ skb->tail += off; - skb->transport_header += off; - skb->network_header += off; - if (skb_mac_header_was_set(skb)) - skb->mac_header += off; - skb->inner_transport_header += off; - skb->inner_network_header += off; + skb_headers_offset_update(skb, off); /* Only adjust this if it actually is csum_start rather than csum */ if (skb->ip_summed == CHECKSUM_PARTIAL) skb->csum_start += nhead; @@ -1180,12 +1179,7 @@ struct sk_buff *skb_copy_expand(const struct sk_buff *skb, if (n->ip_summed == CHECKSUM_PARTIAL) n->csum_start += off; #ifdef NET_SKBUFF_DATA_USES_OFFSET - n->transport_header += off; - n->network_header += off; - if (skb_mac_header_was_set(skb)) - n->mac_header += off; - n->inner_transport_header += off; - n->inner_network_header += off; + skb_headers_offset_update(n, off); #endif return n; -- cgit v1.2.3 From aefbd2b3c2a9c657605e4337f9919d6c6273e8e6 Mon Sep 17 00:00:00 2001 From: Pravin B Shelar Date: Thu, 7 Mar 2013 13:21:46 +0000 Subject: tunneling: Capture inner mac header during encapsulation. This patch adds inner mac header. This will be used in next patch to find tunner header length. Header len is required to copy tunnel header to each gso segment. This patch does not change any functionality. Signed-off-by: Pravin B Shelar Acked-by: Stephen Hemminger Signed-off-by: David S. Miller --- include/linux/skbuff.h | 34 ++++++++++++++++++++++++++++++++++ net/core/skbuff.c | 2 ++ 2 files changed, 36 insertions(+) (limited to 'net/core') diff --git a/include/linux/skbuff.h b/include/linux/skbuff.h index 821c7f45d2a7..d7f96ff68f77 100644 --- a/include/linux/skbuff.h +++ b/include/linux/skbuff.h @@ -387,6 +387,7 @@ typedef unsigned char *sk_buff_data_t; * @vlan_tci: vlan tag control information * @inner_transport_header: Inner transport layer header (encapsulation) * @inner_network_header: Network layer header (encapsulation) + * @inner_mac_header: Link layer header (encapsulation) * @transport_header: Transport layer header * @network_header: Network layer header * @mac_header: Link layer header @@ -505,6 +506,7 @@ struct sk_buff { sk_buff_data_t inner_transport_header; sk_buff_data_t inner_network_header; + sk_buff_data_t inner_mac_header; sk_buff_data_t transport_header; sk_buff_data_t network_header; sk_buff_data_t mac_header; @@ -1466,6 +1468,7 @@ static inline void skb_reserve(struct sk_buff *skb, int len) static inline void skb_reset_inner_headers(struct sk_buff *skb) { + skb->inner_mac_header = skb->mac_header; skb->inner_network_header = skb->network_header; skb->inner_transport_header = skb->transport_header; } @@ -1511,6 +1514,22 @@ static inline void skb_set_inner_network_header(struct sk_buff *skb, skb->inner_network_header += offset; } +static inline unsigned char *skb_inner_mac_header(const struct sk_buff *skb) +{ + return skb->head + skb->inner_mac_header; +} + +static inline void skb_reset_inner_mac_header(struct sk_buff *skb) +{ + skb->inner_mac_header = skb->data - skb->head; +} + +static inline void skb_set_inner_mac_header(struct sk_buff *skb, + const int offset) +{ + skb_reset_inner_mac_header(skb); + skb->inner_mac_header += offset; +} static inline bool skb_transport_header_was_set(const struct sk_buff *skb) { return skb->transport_header != ~0U; @@ -1604,6 +1623,21 @@ static inline void skb_set_inner_network_header(struct sk_buff *skb, skb->inner_network_header = skb->data + offset; } +static inline unsigned char *skb_inner_mac_header(const struct sk_buff *skb) +{ + return skb->inner_mac_header; +} + +static inline void skb_reset_inner_mac_header(struct sk_buff *skb) +{ + skb->inner_mac_header = skb->data; +} + +static inline void skb_set_inner_mac_header(struct sk_buff *skb, + const int offset) +{ + skb->inner_mac_header = skb->data + offset; +} static inline bool skb_transport_header_was_set(const struct sk_buff *skb) { return skb->transport_header != NULL; diff --git a/net/core/skbuff.c b/net/core/skbuff.c index 0278c7f787bf..31c6737d3189 100644 --- a/net/core/skbuff.c +++ b/net/core/skbuff.c @@ -673,6 +673,7 @@ static void __copy_skb_header(struct sk_buff *new, const struct sk_buff *old) new->mac_header = old->mac_header; new->inner_transport_header = old->inner_transport_header; new->inner_network_header = old->inner_network_header; + new->inner_mac_header = old->inner_mac_header; skb_dst_copy(new, old); new->rxhash = old->rxhash; new->ooo_okay = old->ooo_okay; @@ -876,6 +877,7 @@ static void skb_headers_offset_update(struct sk_buff *skb, int off) skb->mac_header += off; skb->inner_transport_header += off; skb->inner_network_header += off; + skb->inner_mac_header += off; } static void copy_skb_header(struct sk_buff *new, const struct sk_buff *old) -- cgit v1.2.3 From 731362674580cb0c696cd1b1a03d8461a10cf90a Mon Sep 17 00:00:00 2001 From: Pravin B Shelar Date: Thu, 7 Mar 2013 13:21:51 +0000 Subject: tunneling: Add generic Tunnel segmentation. Adds generic tunneling offloading support for IPv4-UDP based tunnels. GSO type is added to request this offload for a skb. netdev feature NETIF_F_UDP_TUNNEL is added for hardware offloaded udp-tunnel support. Currently no device supports this feature, software offload is used. This can be used by tunneling protocols like VXLAN. CC: Jesse Gross Signed-off-by: Pravin B Shelar Acked-by: Stephen Hemminger Signed-off-by: David S. Miller --- include/linux/netdev_features.h | 7 +-- include/linux/skbuff.h | 2 + net/core/ethtool.c | 1 + net/ipv4/af_inet.c | 6 ++- net/ipv4/tcp.c | 1 + net/ipv4/udp.c | 115 +++++++++++++++++++++++++++++++--------- net/ipv6/ip6_offload.c | 1 + net/ipv6/udp_offload.c | 8 ++- 8 files changed, 111 insertions(+), 30 deletions(-) (limited to 'net/core') diff --git a/include/linux/netdev_features.h b/include/linux/netdev_features.h index 3dd39340430e..f5e797c0c2a4 100644 --- a/include/linux/netdev_features.h +++ b/include/linux/netdev_features.h @@ -42,9 +42,9 @@ enum { NETIF_F_TSO6_BIT, /* ... TCPv6 segmentation */ NETIF_F_FSO_BIT, /* ... FCoE segmentation */ NETIF_F_GSO_GRE_BIT, /* ... GRE with TSO */ - /**/NETIF_F_GSO_LAST, /* [can't be last bit, see GSO_MASK] */ - NETIF_F_GSO_RESERVED2 /* ... free (fill GSO_MASK to 8 bits) */ - = NETIF_F_GSO_LAST, + NETIF_F_GSO_UDP_TUNNEL_BIT, /* ... UDP TUNNEL with TSO */ + /**/NETIF_F_GSO_LAST = /* last bit, see GSO_MASK */ + NETIF_F_GSO_UDP_TUNNEL_BIT, NETIF_F_FCOE_CRC_BIT, /* FCoE CRC32 */ NETIF_F_SCTP_CSUM_BIT, /* SCTP checksum offload */ @@ -103,6 +103,7 @@ enum { #define NETIF_F_RXFCS __NETIF_F(RXFCS) #define NETIF_F_RXALL __NETIF_F(RXALL) #define NETIF_F_GRE_GSO __NETIF_F(GSO_GRE) +#define NETIF_F_UDP_TUNNEL __NETIF_F(UDP_TUNNEL) /* Features valid for ethtool to change */ /* = all defined minus driver/device-class-related */ diff --git a/include/linux/skbuff.h b/include/linux/skbuff.h index d7f96ff68f77..eb2106fe3bb4 100644 --- a/include/linux/skbuff.h +++ b/include/linux/skbuff.h @@ -316,6 +316,8 @@ enum { SKB_GSO_FCOE = 1 << 5, SKB_GSO_GRE = 1 << 6, + + SKB_GSO_UDP_TUNNEL = 1 << 7, }; #if BITS_PER_LONG > 32 diff --git a/net/core/ethtool.c b/net/core/ethtool.c index 3e9b2c3e30f0..adc1351e6873 100644 --- a/net/core/ethtool.c +++ b/net/core/ethtool.c @@ -78,6 +78,7 @@ static const char netdev_features_strings[NETDEV_FEATURE_COUNT][ETH_GSTRING_LEN] [NETIF_F_TSO6_BIT] = "tx-tcp6-segmentation", [NETIF_F_FSO_BIT] = "tx-fcoe-segmentation", [NETIF_F_GSO_GRE_BIT] = "tx-gre-segmentation", + [NETIF_F_GSO_UDP_TUNNEL_BIT] = "tx-udp_tnl-segmentation", [NETIF_F_FCOE_CRC_BIT] = "tx-checksum-fcoe-crc", [NETIF_F_SCTP_CSUM_BIT] = "tx-checksum-sctp", diff --git a/net/ipv4/af_inet.c b/net/ipv4/af_inet.c index dc3f677360a5..9e5882caf8a7 100644 --- a/net/ipv4/af_inet.c +++ b/net/ipv4/af_inet.c @@ -1283,6 +1283,7 @@ static struct sk_buff *inet_gso_segment(struct sk_buff *skb, int ihl; int id; unsigned int offset = 0; + bool tunnel; if (unlikely(skb_shinfo(skb)->gso_type & ~(SKB_GSO_TCPV4 | @@ -1290,6 +1291,7 @@ static struct sk_buff *inet_gso_segment(struct sk_buff *skb, SKB_GSO_DODGY | SKB_GSO_TCP_ECN | SKB_GSO_GRE | + SKB_GSO_UDP_TUNNEL | 0))) goto out; @@ -1304,6 +1306,8 @@ static struct sk_buff *inet_gso_segment(struct sk_buff *skb, if (unlikely(!pskb_may_pull(skb, ihl))) goto out; + tunnel = !!skb->encapsulation; + __skb_pull(skb, ihl); skb_reset_transport_header(skb); iph = ip_hdr(skb); @@ -1323,7 +1327,7 @@ static struct sk_buff *inet_gso_segment(struct sk_buff *skb, skb = segs; do { iph = ip_hdr(skb); - if (proto == IPPROTO_UDP) { + if (!tunnel && proto == IPPROTO_UDP) { iph->id = htons(id); iph->frag_off = htons(offset >> 3); if (skb->next != NULL) diff --git a/net/ipv4/tcp.c b/net/ipv4/tcp.c index 47e854fcae24..8d14573ade77 100644 --- a/net/ipv4/tcp.c +++ b/net/ipv4/tcp.c @@ -3044,6 +3044,7 @@ struct sk_buff *tcp_tso_segment(struct sk_buff *skb, SKB_GSO_TCP_ECN | SKB_GSO_TCPV6 | SKB_GSO_GRE | + SKB_GSO_UDP_TUNNEL | 0) || !(type & (SKB_GSO_TCPV4 | SKB_GSO_TCPV6)))) goto out; diff --git a/net/ipv4/udp.c b/net/ipv4/udp.c index 265c42cf963c..41760e043bf5 100644 --- a/net/ipv4/udp.c +++ b/net/ipv4/udp.c @@ -2272,31 +2272,88 @@ void __init udp_init(void) int udp4_ufo_send_check(struct sk_buff *skb) { - const struct iphdr *iph; - struct udphdr *uh; - - if (!pskb_may_pull(skb, sizeof(*uh))) + if (!pskb_may_pull(skb, sizeof(struct udphdr))) return -EINVAL; - iph = ip_hdr(skb); - uh = udp_hdr(skb); + if (likely(!skb->encapsulation)) { + const struct iphdr *iph; + struct udphdr *uh; - uh->check = ~csum_tcpudp_magic(iph->saddr, iph->daddr, skb->len, - IPPROTO_UDP, 0); - skb->csum_start = skb_transport_header(skb) - skb->head; - skb->csum_offset = offsetof(struct udphdr, check); - skb->ip_summed = CHECKSUM_PARTIAL; + iph = ip_hdr(skb); + uh = udp_hdr(skb); + + uh->check = ~csum_tcpudp_magic(iph->saddr, iph->daddr, skb->len, + IPPROTO_UDP, 0); + skb->csum_start = skb_transport_header(skb) - skb->head; + skb->csum_offset = offsetof(struct udphdr, check); + skb->ip_summed = CHECKSUM_PARTIAL; + } return 0; } +static struct sk_buff *skb_udp_tunnel_segment(struct sk_buff *skb, + netdev_features_t features) +{ + struct sk_buff *segs = ERR_PTR(-EINVAL); + int mac_len = skb->mac_len; + int tnl_hlen = skb_inner_mac_header(skb) - skb_transport_header(skb); + int outer_hlen; + netdev_features_t enc_features; + + if (unlikely(!pskb_may_pull(skb, tnl_hlen))) + goto out; + + skb->encapsulation = 0; + __skb_pull(skb, tnl_hlen); + skb_reset_mac_header(skb); + skb_set_network_header(skb, skb_inner_network_offset(skb)); + skb->mac_len = skb_inner_network_offset(skb); + + /* segment inner packet. */ + enc_features = skb->dev->hw_enc_features & netif_skb_features(skb); + segs = skb_mac_gso_segment(skb, enc_features); + if (!segs || IS_ERR(segs)) + goto out; + + outer_hlen = skb_tnl_header_len(skb); + skb = segs; + do { + struct udphdr *uh; + int udp_offset = outer_hlen - tnl_hlen; + + skb->mac_len = mac_len; + + skb_push(skb, outer_hlen); + skb_reset_mac_header(skb); + skb_set_network_header(skb, mac_len); + skb_set_transport_header(skb, udp_offset); + uh = udp_hdr(skb); + uh->len = htons(skb->len - udp_offset); + + /* csum segment if tunnel sets skb with csum. */ + if (unlikely(uh->check)) { + struct iphdr *iph = ip_hdr(skb); + + uh->check = ~csum_tcpudp_magic(iph->saddr, iph->daddr, + skb->len - udp_offset, + IPPROTO_UDP, 0); + uh->check = csum_fold(skb_checksum(skb, udp_offset, + skb->len - udp_offset, 0)); + if (uh->check == 0) + uh->check = CSUM_MANGLED_0; + + } + skb->ip_summed = CHECKSUM_NONE; + } while ((skb = skb->next)); +out: + return segs; +} + struct sk_buff *udp4_ufo_fragment(struct sk_buff *skb, netdev_features_t features) { struct sk_buff *segs = ERR_PTR(-EINVAL); unsigned int mss; - int offset; - __wsum csum; - mss = skb_shinfo(skb)->gso_size; if (unlikely(skb->len <= mss)) goto out; @@ -2306,6 +2363,7 @@ struct sk_buff *udp4_ufo_fragment(struct sk_buff *skb, int type = skb_shinfo(skb)->gso_type; if (unlikely(type & ~(SKB_GSO_UDP | SKB_GSO_DODGY | + SKB_GSO_UDP_TUNNEL | SKB_GSO_GRE) || !(type & (SKB_GSO_UDP)))) goto out; @@ -2316,20 +2374,27 @@ struct sk_buff *udp4_ufo_fragment(struct sk_buff *skb, goto out; } - /* Do software UFO. Complete and fill in the UDP checksum as HW cannot - * do checksum of UDP packets sent as multiple IP fragments. - */ - offset = skb_checksum_start_offset(skb); - csum = skb_checksum(skb, offset, skb->len - offset, 0); - offset += skb->csum_offset; - *(__sum16 *)(skb->data + offset) = csum_fold(csum); - skb->ip_summed = CHECKSUM_NONE; - /* Fragment the skb. IP headers of the fragments are updated in * inet_gso_segment() */ - segs = skb_segment(skb, features); + if (skb->encapsulation && skb_shinfo(skb)->gso_type & SKB_GSO_UDP_TUNNEL) + segs = skb_udp_tunnel_segment(skb, features); + else { + int offset; + __wsum csum; + + /* Do software UFO. Complete and fill in the UDP checksum as + * HW cannot do checksum of UDP packets sent as multiple + * IP fragments. + */ + offset = skb_checksum_start_offset(skb); + csum = skb_checksum(skb, offset, skb->len - offset, 0); + offset += skb->csum_offset; + *(__sum16 *)(skb->data + offset) = csum_fold(csum); + skb->ip_summed = CHECKSUM_NONE; + + segs = skb_segment(skb, features); + } out: return segs; } - diff --git a/net/ipv6/ip6_offload.c b/net/ipv6/ip6_offload.c index 7a0d25a5479c..71b766ee821d 100644 --- a/net/ipv6/ip6_offload.c +++ b/net/ipv6/ip6_offload.c @@ -97,6 +97,7 @@ static struct sk_buff *ipv6_gso_segment(struct sk_buff *skb, SKB_GSO_DODGY | SKB_GSO_TCP_ECN | SKB_GSO_GRE | + SKB_GSO_UDP_TUNNEL | SKB_GSO_TCPV6 | 0))) goto out; diff --git a/net/ipv6/udp_offload.c b/net/ipv6/udp_offload.c index cf05cf073c51..3bb3a891a424 100644 --- a/net/ipv6/udp_offload.c +++ b/net/ipv6/udp_offload.c @@ -21,6 +21,10 @@ static int udp6_ufo_send_check(struct sk_buff *skb) const struct ipv6hdr *ipv6h; struct udphdr *uh; + /* UDP Tunnel offload on ipv6 is not yet supported. */ + if (skb->encapsulation) + return -EINVAL; + if (!pskb_may_pull(skb, sizeof(*uh))) return -EINVAL; @@ -56,7 +60,9 @@ static struct sk_buff *udp6_ufo_fragment(struct sk_buff *skb, /* Packet is from an untrusted source, reset gso_segs. */ int type = skb_shinfo(skb)->gso_type; - if (unlikely(type & ~(SKB_GSO_UDP | SKB_GSO_DODGY | + if (unlikely(type & ~(SKB_GSO_UDP | + SKB_GSO_DODGY | + SKB_GSO_UDP_TUNNEL | SKB_GSO_GRE) || !(type & (SKB_GSO_UDP)))) goto out; -- cgit v1.2.3 From e1733de2243609073534cf56afb146a62af3c3d8 Mon Sep 17 00:00:00 2001 From: Michael Dalton Date: Mon, 11 Mar 2013 06:52:28 +0000 Subject: flow_dissector: support L2 GRE Add support for L2 GRE tunnels, so that RPS can be more effective. Signed-off-by: Michael Dalton Signed-off-by: Eric Dumazet Signed-off-by: David S. Miller --- net/core/flow_dissector.c | 11 +++++++++++ 1 file changed, 11 insertions(+) (limited to 'net/core') diff --git a/net/core/flow_dissector.c b/net/core/flow_dissector.c index 9d4c7201400d..f8d9e03b7a7c 100644 --- a/net/core/flow_dissector.c +++ b/net/core/flow_dissector.c @@ -119,6 +119,17 @@ ipv6: nhoff += 4; if (hdr->flags & GRE_SEQ) nhoff += 4; + if (proto == htons(ETH_P_TEB)) { + const struct ethhdr *eth; + struct ethhdr _eth; + + eth = skb_header_pointer(skb, nhoff, + sizeof(_eth), &_eth); + if (!eth) + return false; + proto = eth->h_proto; + nhoff += sizeof(*eth); + } goto again; } break; -- cgit v1.2.3 From 6681712d67eef14c4ce793561c3231659153a320 Mon Sep 17 00:00:00 2001 From: David Stevens Date: Fri, 15 Mar 2013 04:35:51 +0000 Subject: vxlan: generalize forwarding tables This patch generalizes VXLAN forwarding table entries allowing an administrator to: 1) specify multiple destinations for a given MAC 2) specify alternate vni's in the VXLAN header 3) specify alternate destination UDP ports 4) use multicast MAC addresses as fdb lookup keys 5) specify multicast destinations 6) specify the outgoing interface for forwarded packets The combination allows configuration of more complex topologies using VXLAN encapsulation. Changes since v1: rebase to 3.9.0-rc2 Signed-Off-By: David L Stevens Signed-off-by: David S. Miller --- drivers/net/vxlan.c | 263 ++++++++++++++++++++++++++++++++--------- include/uapi/linux/neighbour.h | 3 + net/core/rtnetlink.c | 2 +- 3 files changed, 210 insertions(+), 58 deletions(-) (limited to 'net/core') diff --git a/drivers/net/vxlan.c b/drivers/net/vxlan.c index db0df07c18dc..33427fd62515 100644 --- a/drivers/net/vxlan.c +++ b/drivers/net/vxlan.c @@ -81,13 +81,22 @@ struct vxlan_net { struct hlist_head vni_list[VNI_HASH_SIZE]; }; +struct vxlan_rdst { + struct rcu_head rcu; + __be32 remote_ip; + __be16 remote_port; + u32 remote_vni; + u32 remote_ifindex; + struct vxlan_rdst *remote_next; +}; + /* Forwarding table entry */ struct vxlan_fdb { struct hlist_node hlist; /* linked list of entries */ struct rcu_head rcu; unsigned long updated; /* jiffies */ unsigned long used; - __be32 remote_ip; + struct vxlan_rdst remote; u16 state; /* see ndm_state */ u8 eth_addr[ETH_ALEN]; }; @@ -157,7 +166,8 @@ static struct vxlan_dev *vxlan_find_vni(struct net *net, u32 id) /* Fill in neighbour message in skbuff. */ static int vxlan_fdb_info(struct sk_buff *skb, struct vxlan_dev *vxlan, const struct vxlan_fdb *fdb, - u32 portid, u32 seq, int type, unsigned int flags) + u32 portid, u32 seq, int type, unsigned int flags, + const struct vxlan_rdst *rdst) { unsigned long now = jiffies; struct nda_cacheinfo ci; @@ -176,7 +186,7 @@ static int vxlan_fdb_info(struct sk_buff *skb, struct vxlan_dev *vxlan, if (type == RTM_GETNEIGH) { ndm->ndm_family = AF_INET; - send_ip = fdb->remote_ip != 0; + send_ip = rdst->remote_ip != htonl(INADDR_ANY); send_eth = !is_zero_ether_addr(fdb->eth_addr); } else ndm->ndm_family = AF_BRIDGE; @@ -188,7 +198,17 @@ static int vxlan_fdb_info(struct sk_buff *skb, struct vxlan_dev *vxlan, if (send_eth && nla_put(skb, NDA_LLADDR, ETH_ALEN, &fdb->eth_addr)) goto nla_put_failure; - if (send_ip && nla_put_be32(skb, NDA_DST, fdb->remote_ip)) + if (send_ip && nla_put_be32(skb, NDA_DST, rdst->remote_ip)) + goto nla_put_failure; + + if (rdst->remote_port && rdst->remote_port != vxlan_port && + nla_put_be16(skb, NDA_PORT, rdst->remote_port)) + goto nla_put_failure; + if (rdst->remote_vni != vxlan->vni && + nla_put_be32(skb, NDA_VNI, rdst->remote_vni)) + goto nla_put_failure; + if (rdst->remote_ifindex && + nla_put_u32(skb, NDA_IFINDEX, rdst->remote_ifindex)) goto nla_put_failure; ci.ndm_used = jiffies_to_clock_t(now - fdb->used); @@ -211,6 +231,9 @@ static inline size_t vxlan_nlmsg_size(void) return NLMSG_ALIGN(sizeof(struct ndmsg)) + nla_total_size(ETH_ALEN) /* NDA_LLADDR */ + nla_total_size(sizeof(__be32)) /* NDA_DST */ + + nla_total_size(sizeof(__be32)) /* NDA_PORT */ + + nla_total_size(sizeof(__be32)) /* NDA_VNI */ + + nla_total_size(sizeof(__u32)) /* NDA_IFINDEX */ + nla_total_size(sizeof(struct nda_cacheinfo)); } @@ -225,7 +248,7 @@ static void vxlan_fdb_notify(struct vxlan_dev *vxlan, if (skb == NULL) goto errout; - err = vxlan_fdb_info(skb, vxlan, fdb, 0, 0, type, 0); + err = vxlan_fdb_info(skb, vxlan, fdb, 0, 0, type, 0, &fdb->remote); if (err < 0) { /* -EMSGSIZE implies BUG in vxlan_nlmsg_size() */ WARN_ON(err == -EMSGSIZE); @@ -247,7 +270,8 @@ static void vxlan_ip_miss(struct net_device *dev, __be32 ipa) memset(&f, 0, sizeof f); f.state = NUD_STALE; - f.remote_ip = ipa; /* goes to NDA_DST */ + f.remote.remote_ip = ipa; /* goes to NDA_DST */ + f.remote.remote_vni = VXLAN_N_VID; vxlan_fdb_notify(vxlan, &f, RTM_GETNEIGH); } @@ -300,10 +324,38 @@ static struct vxlan_fdb *vxlan_find_mac(struct vxlan_dev *vxlan, return NULL; } +/* Add/update destinations for multicast */ +static int vxlan_fdb_append(struct vxlan_fdb *f, + __be32 ip, __u32 port, __u32 vni, __u32 ifindex) +{ + struct vxlan_rdst *rd_prev, *rd; + + rd_prev = NULL; + for (rd = &f->remote; rd; rd = rd->remote_next) { + if (rd->remote_ip == ip && + rd->remote_port == port && + rd->remote_vni == vni && + rd->remote_ifindex == ifindex) + return 0; + rd_prev = rd; + } + rd = kmalloc(sizeof(*rd), GFP_ATOMIC); + if (rd == NULL) + return -ENOBUFS; + rd->remote_ip = ip; + rd->remote_port = port; + rd->remote_vni = vni; + rd->remote_ifindex = ifindex; + rd->remote_next = NULL; + rd_prev->remote_next = rd; + return 1; +} + /* Add new entry to forwarding table -- assumes lock held */ static int vxlan_fdb_create(struct vxlan_dev *vxlan, const u8 *mac, __be32 ip, - __u16 state, __u16 flags) + __u16 state, __u16 flags, + __u32 port, __u32 vni, __u32 ifindex) { struct vxlan_fdb *f; int notify = 0; @@ -320,6 +372,14 @@ static int vxlan_fdb_create(struct vxlan_dev *vxlan, f->updated = jiffies; notify = 1; } + if ((flags & NLM_F_APPEND) && + is_multicast_ether_addr(f->eth_addr)) { + int rc = vxlan_fdb_append(f, ip, port, vni, ifindex); + + if (rc < 0) + return rc; + notify |= rc; + } } else { if (!(flags & NLM_F_CREATE)) return -ENOENT; @@ -333,7 +393,11 @@ static int vxlan_fdb_create(struct vxlan_dev *vxlan, return -ENOMEM; notify = 1; - f->remote_ip = ip; + f->remote.remote_ip = ip; + f->remote.remote_port = port; + f->remote.remote_vni = vni; + f->remote.remote_ifindex = ifindex; + f->remote.remote_next = NULL; f->state = state; f->updated = f->used = jiffies; memcpy(f->eth_addr, mac, ETH_ALEN); @@ -349,6 +413,19 @@ static int vxlan_fdb_create(struct vxlan_dev *vxlan, return 0; } +void vxlan_fdb_free(struct rcu_head *head) +{ + struct vxlan_fdb *f = container_of(head, struct vxlan_fdb, rcu); + + while (f->remote.remote_next) { + struct vxlan_rdst *rd = f->remote.remote_next; + + f->remote.remote_next = rd->remote_next; + kfree(rd); + } + kfree(f); +} + static void vxlan_fdb_destroy(struct vxlan_dev *vxlan, struct vxlan_fdb *f) { netdev_dbg(vxlan->dev, @@ -358,7 +435,7 @@ static void vxlan_fdb_destroy(struct vxlan_dev *vxlan, struct vxlan_fdb *f) vxlan_fdb_notify(vxlan, f, RTM_DELNEIGH); hlist_del_rcu(&f->hlist); - kfree_rcu(f, rcu); + call_rcu(&f->rcu, vxlan_fdb_free); } /* Add static entry (via netlink) */ @@ -367,7 +444,9 @@ static int vxlan_fdb_add(struct ndmsg *ndm, struct nlattr *tb[], const unsigned char *addr, u16 flags) { struct vxlan_dev *vxlan = netdev_priv(dev); + struct net *net = dev_net(vxlan->dev); __be32 ip; + u32 port, vni, ifindex; int err; if (!(ndm->ndm_state & (NUD_PERMANENT|NUD_REACHABLE))) { @@ -384,8 +463,36 @@ static int vxlan_fdb_add(struct ndmsg *ndm, struct nlattr *tb[], ip = nla_get_be32(tb[NDA_DST]); + if (tb[NDA_PORT]) { + if (nla_len(tb[NDA_PORT]) != sizeof(u32)) + return -EINVAL; + port = nla_get_u32(tb[NDA_PORT]); + } else + port = vxlan_port; + + if (tb[NDA_VNI]) { + if (nla_len(tb[NDA_VNI]) != sizeof(u32)) + return -EINVAL; + vni = nla_get_u32(tb[NDA_VNI]); + } else + vni = vxlan->vni; + + if (tb[NDA_IFINDEX]) { + struct net_device *dev; + + if (nla_len(tb[NDA_IFINDEX]) != sizeof(u32)) + return -EINVAL; + ifindex = nla_get_u32(tb[NDA_IFINDEX]); + dev = dev_get_by_index(net, ifindex); + if (!dev) + return -EADDRNOTAVAIL; + dev_put(dev); + } else + ifindex = 0; + spin_lock_bh(&vxlan->hash_lock); - err = vxlan_fdb_create(vxlan, addr, ip, ndm->ndm_state, flags); + err = vxlan_fdb_create(vxlan, addr, ip, ndm->ndm_state, flags, port, + vni, ifindex); spin_unlock_bh(&vxlan->hash_lock); return err; @@ -423,18 +530,21 @@ static int vxlan_fdb_dump(struct sk_buff *skb, struct netlink_callback *cb, int err; hlist_for_each_entry_rcu(f, &vxlan->fdb_head[h], hlist) { - if (idx < cb->args[0]) - goto skip; - - err = vxlan_fdb_info(skb, vxlan, f, - NETLINK_CB(cb->skb).portid, - cb->nlh->nlmsg_seq, - RTM_NEWNEIGH, - NLM_F_MULTI); - if (err < 0) - break; + struct vxlan_rdst *rd; + for (rd = &f->remote; rd; rd = rd->remote_next) { + if (idx < cb->args[0]) + goto skip; + + err = vxlan_fdb_info(skb, vxlan, f, + NETLINK_CB(cb->skb).portid, + cb->nlh->nlmsg_seq, + RTM_NEWNEIGH, + NLM_F_MULTI, rd); + if (err < 0) + break; skip: - ++idx; + ++idx; + } } } @@ -454,22 +564,23 @@ static void vxlan_snoop(struct net_device *dev, f = vxlan_find_mac(vxlan, src_mac); if (likely(f)) { f->used = jiffies; - if (likely(f->remote_ip == src_ip)) + if (likely(f->remote.remote_ip == src_ip)) return; if (net_ratelimit()) netdev_info(dev, "%pM migrated from %pI4 to %pI4\n", - src_mac, &f->remote_ip, &src_ip); + src_mac, &f->remote.remote_ip, &src_ip); - f->remote_ip = src_ip; + f->remote.remote_ip = src_ip; f->updated = jiffies; } else { /* learned new entry */ spin_lock(&vxlan->hash_lock); err = vxlan_fdb_create(vxlan, src_mac, src_ip, NUD_REACHABLE, - NLM_F_EXCL|NLM_F_CREATE); + NLM_F_EXCL|NLM_F_CREATE, + vxlan_port, vxlan->vni, 0); spin_unlock(&vxlan->hash_lock); } } @@ -701,7 +812,7 @@ static int arp_reduce(struct net_device *dev, struct sk_buff *skb) } f = vxlan_find_mac(vxlan, n->ha); - if (f && f->remote_ip == 0) { + if (f && f->remote.remote_ip == htonl(INADDR_ANY)) { /* bridge-local neighbor */ neigh_release(n); goto out; @@ -834,47 +945,26 @@ static int handle_offloads(struct sk_buff *skb) return 0; } -/* Transmit local packets over Vxlan - * - * Outer IP header inherits ECN and DF from inner header. - * Outer UDP destination is the VXLAN assigned port. - * source port is based on hash of flow - */ -static netdev_tx_t vxlan_xmit(struct sk_buff *skb, struct net_device *dev) +static netdev_tx_t vxlan_xmit_one(struct sk_buff *skb, struct net_device *dev, + struct vxlan_rdst *rdst, bool did_rsc) { struct vxlan_dev *vxlan = netdev_priv(dev); struct rtable *rt; const struct iphdr *old_iph; - struct ethhdr *eth; struct iphdr *iph; struct vxlanhdr *vxh; struct udphdr *uh; struct flowi4 fl4; unsigned int pkt_len = skb->len; __be32 dst; - __u16 src_port; + __u16 src_port, dst_port; + u32 vni; __be16 df = 0; __u8 tos, ttl; - bool did_rsc = false; - const struct vxlan_fdb *f; - - skb_reset_mac_header(skb); - eth = eth_hdr(skb); - - if ((vxlan->flags & VXLAN_F_PROXY) && ntohs(eth->h_proto) == ETH_P_ARP) - return arp_reduce(dev, skb); - else if ((vxlan->flags&VXLAN_F_RSC) && ntohs(eth->h_proto) == ETH_P_IP) - did_rsc = route_shortcircuit(dev, skb); - f = vxlan_find_mac(vxlan, eth->h_dest); - if (f == NULL) { - did_rsc = false; - dst = vxlan->gaddr; - if (!dst && (vxlan->flags & VXLAN_F_L2MISS) && - !is_multicast_ether_addr(eth->h_dest)) - vxlan_fdb_miss(vxlan, eth->h_dest); - } else - dst = f->remote_ip; + dst_port = rdst->remote_port ? rdst->remote_port : vxlan_port; + vni = rdst->remote_vni; + dst = rdst->remote_ip; if (!dst) { if (did_rsc) { @@ -922,7 +1012,7 @@ static netdev_tx_t vxlan_xmit(struct sk_buff *skb, struct net_device *dev) src_port = vxlan_src_port(vxlan, skb); memset(&fl4, 0, sizeof(fl4)); - fl4.flowi4_oif = vxlan->link; + fl4.flowi4_oif = rdst->remote_ifindex; fl4.flowi4_tos = RT_TOS(tos); fl4.daddr = dst; fl4.saddr = vxlan->saddr; @@ -949,13 +1039,13 @@ static netdev_tx_t vxlan_xmit(struct sk_buff *skb, struct net_device *dev) vxh = (struct vxlanhdr *) __skb_push(skb, sizeof(*vxh)); vxh->vx_flags = htonl(VXLAN_FLAGS); - vxh->vx_vni = htonl(vxlan->vni << 8); + vxh->vx_vni = htonl(vni << 8); __skb_push(skb, sizeof(*uh)); skb_reset_transport_header(skb); uh = udp_hdr(skb); - uh->dest = htons(vxlan_port); + uh->dest = htons(dst_port); uh->source = htons(src_port); uh->len = htons(skb->len); @@ -995,6 +1085,64 @@ tx_free: return NETDEV_TX_OK; } +/* Transmit local packets over Vxlan + * + * Outer IP header inherits ECN and DF from inner header. + * Outer UDP destination is the VXLAN assigned port. + * source port is based on hash of flow + */ +static netdev_tx_t vxlan_xmit(struct sk_buff *skb, struct net_device *dev) +{ + struct vxlan_dev *vxlan = netdev_priv(dev); + struct ethhdr *eth; + bool did_rsc = false; + struct vxlan_rdst group, *rdst0, *rdst; + struct vxlan_fdb *f; + int rc1, rc; + + skb_reset_mac_header(skb); + eth = eth_hdr(skb); + + if ((vxlan->flags & VXLAN_F_PROXY) && ntohs(eth->h_proto) == ETH_P_ARP) + return arp_reduce(dev, skb); + else if ((vxlan->flags&VXLAN_F_RSC) && ntohs(eth->h_proto) == ETH_P_IP) + did_rsc = route_shortcircuit(dev, skb); + + f = vxlan_find_mac(vxlan, eth->h_dest); + if (f == NULL) { + did_rsc = false; + group.remote_port = vxlan_port; + group.remote_vni = vxlan->vni; + group.remote_ip = vxlan->gaddr; + group.remote_ifindex = vxlan->link; + group.remote_next = 0; + rdst0 = &group; + + if (group.remote_ip == htonl(INADDR_ANY) && + (vxlan->flags & VXLAN_F_L2MISS) && + !is_multicast_ether_addr(eth->h_dest)) + vxlan_fdb_miss(vxlan, eth->h_dest); + } else + rdst0 = &f->remote; + + rc = NETDEV_TX_OK; + + /* if there are multiple destinations, send copies */ + for (rdst = rdst0->remote_next; rdst; rdst = rdst->remote_next) { + struct sk_buff *skb1; + + skb1 = skb_clone(skb, GFP_ATOMIC); + rc1 = vxlan_xmit_one(skb1, dev, rdst, did_rsc); + if (rc == NETDEV_TX_OK) + rc = rc1; + } + + rc1 = vxlan_xmit_one(skb, dev, rdst0, did_rsc); + if (rc == NETDEV_TX_OK) + rc = rc1; + return rc; +} + /* Walk the forwarding table and purge stale entries */ static void vxlan_cleanup(unsigned long arg) { @@ -1558,6 +1706,7 @@ static void __exit vxlan_cleanup_module(void) { rtnl_link_unregister(&vxlan_link_ops); unregister_pernet_device(&vxlan_net_ops); + rcu_barrier(); } module_exit(vxlan_cleanup_module); diff --git a/include/uapi/linux/neighbour.h b/include/uapi/linux/neighbour.h index adb068c53c4e..f175212420ab 100644 --- a/include/uapi/linux/neighbour.h +++ b/include/uapi/linux/neighbour.h @@ -21,6 +21,9 @@ enum { NDA_CACHEINFO, NDA_PROBES, NDA_VLAN, + NDA_PORT, + NDA_VNI, + NDA_IFINDEX, __NDA_MAX }; diff --git a/net/core/rtnetlink.c b/net/core/rtnetlink.c index 55b5624a4b00..0e86baf8f809 100644 --- a/net/core/rtnetlink.c +++ b/net/core/rtnetlink.c @@ -2112,7 +2112,7 @@ static int rtnl_fdb_add(struct sk_buff *skb, struct nlmsghdr *nlh, void *arg) } addr = nla_data(tb[NDA_LLADDR]); - if (!is_valid_ether_addr(addr)) { + if (is_zero_ether_addr(addr)) { pr_info("PF_BRIDGE: RTM_NEWNEIGH with invalid ether address\n"); return -EINVAL; } -- cgit v1.2.3 From 7f9421c264f8a6e6137027a45ae576517f66fa56 Mon Sep 17 00:00:00 2001 From: Lai Jiangshan Date: Fri, 15 Mar 2013 06:50:52 +0000 Subject: netpoll: use DEFINE_STATIC_SRCU() to define netpoll_srcu DEFINE_STATIC_SRCU() defines srcu struct and do init at build time. Signed-off-by: Lai Jiangshan Signed-off-by: David S. Miller --- net/core/netpoll.c | 3 +-- 1 file changed, 1 insertion(+), 2 deletions(-) (limited to 'net/core') diff --git a/net/core/netpoll.c b/net/core/netpoll.c index fa32899006a2..a3a17aed3639 100644 --- a/net/core/netpoll.c +++ b/net/core/netpoll.c @@ -47,7 +47,7 @@ static struct sk_buff_head skb_pool; static atomic_t trapped; -static struct srcu_struct netpoll_srcu; +DEFINE_STATIC_SRCU(netpoll_srcu); #define USEC_PER_POLL 50 #define NETPOLL_RX_ENABLED 1 @@ -1212,7 +1212,6 @@ EXPORT_SYMBOL(netpoll_setup); static int __init netpoll_init(void) { skb_queue_head_init(&skb_pool); - init_srcu_struct(&netpoll_srcu); return 0; } core_initcall(netpoll_init); -- cgit v1.2.3 From 166ec3696823e69dbbdec47726735eb7aa4f7d96 Mon Sep 17 00:00:00 2001 From: Kusanagi Kouichi Date: Mon, 18 Mar 2013 02:59:52 +0000 Subject: net: Fix a comment typo Signed-off-by: Kusanagi Kouichi Signed-off-by: David S. Miller --- net/core/dev.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) (limited to 'net/core') diff --git a/net/core/dev.c b/net/core/dev.c index 0caa38ee8935..8c47ab243926 100644 --- a/net/core/dev.c +++ b/net/core/dev.c @@ -3324,7 +3324,7 @@ EXPORT_SYMBOL_GPL(netdev_rx_handler_register); * netdev_rx_handler_unregister - unregister receive handler * @dev: device to unregister a handler from * - * Unregister a receive hander from a device. + * Unregister a receive handler from a device. * * The caller must hold the rtnl_mutex. */ -- cgit v1.2.3 From f77668dc25b27270fe589031b22c432c3462b1d8 Mon Sep 17 00:00:00 2001 From: Daniel Borkmann Date: Tue, 19 Mar 2013 06:39:30 +0000 Subject: net: flow_dissector: add __skb_get_poff to get a start offset to payload __skb_get_poff() returns the offset to the payload as far as it could be dissected. The main user is currently BPF, so that we can dynamically truncate packets without needing to push actual payload to the user space and instead can analyze headers only. Suggested-by: Eric Dumazet Signed-off-by: Daniel Borkmann Acked-by: Eric Dumazet Signed-off-by: David S. Miller --- include/linux/skbuff.h | 2 ++ net/core/flow_dissector.c | 57 +++++++++++++++++++++++++++++++++++++++++++++++ 2 files changed, 59 insertions(+) (limited to 'net/core') diff --git a/include/linux/skbuff.h b/include/linux/skbuff.h index b66ecc6ef102..497412165b1c 100644 --- a/include/linux/skbuff.h +++ b/include/linux/skbuff.h @@ -2840,6 +2840,8 @@ static inline void skb_checksum_none_assert(const struct sk_buff *skb) bool skb_partial_csum_set(struct sk_buff *skb, u16 start, u16 off); +u32 __skb_get_poff(const struct sk_buff *skb); + /** * skb_head_is_locked - Determine if the skb->head is locked down * @skb: skb to check diff --git a/net/core/flow_dissector.c b/net/core/flow_dissector.c index f4be293bab9e..00ee068efc1c 100644 --- a/net/core/flow_dissector.c +++ b/net/core/flow_dissector.c @@ -5,6 +5,10 @@ #include #include #include +#include +#include +#include +#include #include #include #include @@ -228,6 +232,59 @@ u16 __skb_tx_hash(const struct net_device *dev, const struct sk_buff *skb, } EXPORT_SYMBOL(__skb_tx_hash); +/* __skb_get_poff() returns the offset to the payload as far as it could + * be dissected. The main user is currently BPF, so that we can dynamically + * truncate packets without needing to push actual payload to the user + * space and can analyze headers only, instead. + */ +u32 __skb_get_poff(const struct sk_buff *skb) +{ + struct flow_keys keys; + u32 poff = 0; + + if (!skb_flow_dissect(skb, &keys)) + return 0; + + poff += keys.thoff; + switch (keys.ip_proto) { + case IPPROTO_TCP: { + const struct tcphdr *tcph; + struct tcphdr _tcph; + + tcph = skb_header_pointer(skb, poff, sizeof(_tcph), &_tcph); + if (!tcph) + return poff; + + poff += max_t(u32, sizeof(struct tcphdr), tcph->doff * 4); + break; + } + case IPPROTO_UDP: + case IPPROTO_UDPLITE: + poff += sizeof(struct udphdr); + break; + /* For the rest, we do not really care about header + * extensions at this point for now. + */ + case IPPROTO_ICMP: + poff += sizeof(struct icmphdr); + break; + case IPPROTO_ICMPV6: + poff += sizeof(struct icmp6hdr); + break; + case IPPROTO_IGMP: + poff += sizeof(struct igmphdr); + break; + case IPPROTO_DCCP: + poff += sizeof(struct dccp_hdr); + break; + case IPPROTO_SCTP: + poff += sizeof(struct sctphdr); + break; + } + + return poff; +} + static inline u16 dev_cap_txqueue(struct net_device *dev, u16 queue_index) { if (unlikely(queue_index >= dev->real_num_tx_queues)) { -- cgit v1.2.3 From 3e5289d5e3f98b7b5b8cac32e9e5a7004c067436 Mon Sep 17 00:00:00 2001 From: Daniel Borkmann Date: Tue, 19 Mar 2013 06:39:31 +0000 Subject: filter: add ANC_PAY_OFFSET instruction for loading payload start offset It is very useful to do dynamic truncation of packets. In particular, we're interested to push the necessary header bytes to the user space and cut off user payload that should probably not be transferred for some reasons (e.g. privacy, speed, or others). With the ancillary extension PAY_OFFSET, we can load it into the accumulator, and return it. E.g. in bpfc syntax ... ld #poff ; { 0x20, 0, 0, 0xfffff034 }, ret a ; { 0x16, 0, 0, 0x00000000 }, ... as a filter will accomplish this without having to do a big hackery in a BPF filter itself. Follow-up JIT implementations are welcome. Thanks to Eric Dumazet for suggesting and discussing this during the Netfilter Workshop in Copenhagen. Suggested-by: Eric Dumazet Signed-off-by: Daniel Borkmann Acked-by: Eric Dumazet Signed-off-by: David S. Miller --- include/linux/filter.h | 1 + include/uapi/linux/filter.h | 3 ++- net/core/filter.c | 5 +++++ 3 files changed, 8 insertions(+), 1 deletion(-) (limited to 'net/core') diff --git a/include/linux/filter.h b/include/linux/filter.h index c45eabc135e1..d2059cb4e465 100644 --- a/include/linux/filter.h +++ b/include/linux/filter.h @@ -126,6 +126,7 @@ enum { BPF_S_ANC_SECCOMP_LD_W, BPF_S_ANC_VLAN_TAG, BPF_S_ANC_VLAN_TAG_PRESENT, + BPF_S_ANC_PAY_OFFSET, }; #endif /* __LINUX_FILTER_H__ */ diff --git a/include/uapi/linux/filter.h b/include/uapi/linux/filter.h index 9cfde6941099..8eb9ccaa5b48 100644 --- a/include/uapi/linux/filter.h +++ b/include/uapi/linux/filter.h @@ -129,7 +129,8 @@ struct sock_fprog { /* Required for SO_ATTACH_FILTER. */ #define SKF_AD_ALU_XOR_X 40 #define SKF_AD_VLAN_TAG 44 #define SKF_AD_VLAN_TAG_PRESENT 48 -#define SKF_AD_MAX 52 +#define SKF_AD_PAY_OFFSET 52 +#define SKF_AD_MAX 56 #define SKF_NET_OFF (-0x100000) #define SKF_LL_OFF (-0x200000) diff --git a/net/core/filter.c b/net/core/filter.c index 2e20b55a7830..dad2a178f9f8 100644 --- a/net/core/filter.c +++ b/net/core/filter.c @@ -348,6 +348,9 @@ load_b: case BPF_S_ANC_VLAN_TAG_PRESENT: A = !!vlan_tx_tag_present(skb); continue; + case BPF_S_ANC_PAY_OFFSET: + A = __skb_get_poff(skb); + continue; case BPF_S_ANC_NLATTR: { struct nlattr *nla; @@ -612,6 +615,7 @@ int sk_chk_filter(struct sock_filter *filter, unsigned int flen) ANCILLARY(ALU_XOR_X); ANCILLARY(VLAN_TAG); ANCILLARY(VLAN_TAG_PRESENT); + ANCILLARY(PAY_OFFSET); } /* ancillary operation unknown or unsupported */ @@ -814,6 +818,7 @@ static void sk_decode_filter(struct sock_filter *filt, struct sock_filter *to) [BPF_S_ANC_SECCOMP_LD_W] = BPF_LD|BPF_B|BPF_ABS, [BPF_S_ANC_VLAN_TAG] = BPF_LD|BPF_B|BPF_ABS, [BPF_S_ANC_VLAN_TAG_PRESENT] = BPF_LD|BPF_B|BPF_ABS, + [BPF_S_ANC_PAY_OFFSET] = BPF_LD|BPF_B|BPF_ABS, [BPF_S_LD_W_LEN] = BPF_LD|BPF_W|BPF_LEN, [BPF_S_LD_W_IND] = BPF_LD|BPF_W|BPF_IND, [BPF_S_LD_H_IND] = BPF_LD|BPF_H|BPF_IND, -- cgit v1.2.3 From 8fdc929f5727d999d11ba3763b92f6eeacc096f9 Mon Sep 17 00:00:00 2001 From: Chris Metcalf Date: Tue, 19 Mar 2013 11:35:58 +0000 Subject: dynticks: avoid flow_cache_flush() interrupting every core Previously, if you did an "ifconfig down" or similar on one core, and the kernel had CONFIG_XFRM enabled, every core would be interrupted to check its percpu flow list for items that could be garbage collected. With this change, we generate a mask of cores that actually have any percpu items, and only interrupt those cores. When we are trying to isolate a set of cpus from interrupts, this is important to do. Signed-off-by: Chris Metcalf Signed-off-by: David S. Miller --- net/core/flow.c | 42 +++++++++++++++++++++++++++++++++++++++--- 1 file changed, 39 insertions(+), 3 deletions(-) (limited to 'net/core') diff --git a/net/core/flow.c b/net/core/flow.c index c56ea6f7f6c7..7fae13537b6b 100644 --- a/net/core/flow.c +++ b/net/core/flow.c @@ -323,6 +323,24 @@ static void flow_cache_flush_tasklet(unsigned long data) complete(&info->completion); } +/* + * Return whether a cpu needs flushing. Conservatively, we assume + * the presence of any entries means the core may require flushing, + * since the flow_cache_ops.check() function may assume it's running + * on the same core as the per-cpu cache component. + */ +static int flow_cache_percpu_empty(struct flow_cache *fc, int cpu) +{ + struct flow_cache_percpu *fcp; + int i; + + fcp = &per_cpu(*fc->percpu, cpu); + for (i = 0; i < flow_cache_hash_size(fc); i++) + if (!hlist_empty(&fcp->hash_table[i])) + return 0; + return 1; +} + static void flow_cache_flush_per_cpu(void *data) { struct flow_flush_info *info = data; @@ -337,22 +355,40 @@ void flow_cache_flush(void) { struct flow_flush_info info; static DEFINE_MUTEX(flow_flush_sem); + cpumask_var_t mask; + int i, self; + + /* Track which cpus need flushing to avoid disturbing all cores. */ + if (!alloc_cpumask_var(&mask, GFP_KERNEL)) + return; + cpumask_clear(mask); /* Don't want cpus going down or up during this. */ get_online_cpus(); mutex_lock(&flow_flush_sem); info.cache = &flow_cache_global; - atomic_set(&info.cpuleft, num_online_cpus()); + for_each_online_cpu(i) + if (!flow_cache_percpu_empty(info.cache, i)) + cpumask_set_cpu(i, mask); + atomic_set(&info.cpuleft, cpumask_weight(mask)); + if (atomic_read(&info.cpuleft) == 0) + goto done; + init_completion(&info.completion); local_bh_disable(); - smp_call_function(flow_cache_flush_per_cpu, &info, 0); - flow_cache_flush_tasklet((unsigned long)&info); + self = cpumask_test_and_clear_cpu(smp_processor_id(), mask); + on_each_cpu_mask(mask, flow_cache_flush_per_cpu, &info, 0); + if (self) + flow_cache_flush_tasklet((unsigned long)&info); local_bh_enable(); wait_for_completion(&info.completion); + +done: mutex_unlock(&flow_flush_sem); put_online_cpus(); + free_cpumask_var(mask); } static void flow_cache_flush_task(struct work_struct *work) -- cgit v1.2.3 From 4021db9a0daa42ff72570f7b0375d195e528f73f Mon Sep 17 00:00:00 2001 From: Zefan Li Date: Wed, 20 Mar 2013 16:54:51 +0000 Subject: net: remove redundant ifdef CONFIG_CGROUPS The cgroup code has been surrounded by ifdef CONFIG_NET_CLS_CGROUP and CONFIG_NETPRIO_CGROUP. Signed-off-by: Li Zefan Acked-by: Neil Horman Signed-off-by: David S. Miller --- net/core/sock.c | 2 -- 1 file changed, 2 deletions(-) (limited to 'net/core') diff --git a/net/core/sock.c b/net/core/sock.c index b261a7977746..a19e728d5fb6 100644 --- a/net/core/sock.c +++ b/net/core/sock.c @@ -1298,7 +1298,6 @@ static void sk_prot_free(struct proto *prot, struct sock *sk) module_put(owner); } -#ifdef CONFIG_CGROUPS #if IS_ENABLED(CONFIG_NET_CLS_CGROUP) void sock_update_classid(struct sock *sk, struct task_struct *task) { @@ -1321,7 +1320,6 @@ void sock_update_netprioidx(struct sock *sk, struct task_struct *task) } EXPORT_SYMBOL_GPL(sock_update_netprioidx); #endif -#endif /** * sk_alloc - All socket objects are allocated here -- cgit v1.2.3 From 661d2967b3f1b34eeaa7e212e7b9bbe8ee072b59 Mon Sep 17 00:00:00 2001 From: Thomas Graf Date: Thu, 21 Mar 2013 07:45:29 +0000 Subject: rtnetlink: Remove passing of attributes into rtnl_doit functions With decnet converted, we can finally get rid of rta_buf and its computations around it. It also gets rid of the minimal header length verification since all message handlers do that explicitly anyway. Signed-off-by: Thomas Graf Signed-off-by: David S. Miller --- include/net/rtnetlink.h | 2 +- net/bridge/br_mdb.c | 4 +-- net/can/gw.c | 5 ++- net/core/fib_rules.c | 4 +-- net/core/neighbour.c | 6 ++-- net/core/rtnetlink.c | 82 ++++++------------------------------------------- net/dcb/dcbnl.c | 2 +- net/decnet/dn_dev.c | 4 +-- net/decnet/dn_fib.c | 4 +-- net/decnet/dn_route.c | 2 +- net/ipv4/devinet.c | 7 ++--- net/ipv4/fib_frontend.c | 4 +-- net/ipv4/route.c | 2 +- net/ipv6/addrconf.c | 10 +++--- net/ipv6/addrlabel.c | 6 ++-- net/ipv6/route.c | 6 ++-- net/phonet/pn_netlink.c | 4 +-- net/sched/act_api.c | 2 +- net/sched/cls_api.c | 2 +- net/sched/sch_api.c | 6 ++-- 20 files changed, 47 insertions(+), 117 deletions(-) (limited to 'net/core') diff --git a/include/net/rtnetlink.h b/include/net/rtnetlink.h index 5a15fabd6a75..702664833a53 100644 --- a/include/net/rtnetlink.h +++ b/include/net/rtnetlink.h @@ -4,7 +4,7 @@ #include #include -typedef int (*rtnl_doit_func)(struct sk_buff *, struct nlmsghdr *, void *); +typedef int (*rtnl_doit_func)(struct sk_buff *, struct nlmsghdr *); typedef int (*rtnl_dumpit_func)(struct sk_buff *, struct netlink_callback *); typedef u16 (*rtnl_calcit_func)(struct sk_buff *, struct nlmsghdr *); diff --git a/net/bridge/br_mdb.c b/net/bridge/br_mdb.c index ee79f3f20383..19942e38fd2d 100644 --- a/net/bridge/br_mdb.c +++ b/net/bridge/br_mdb.c @@ -382,7 +382,7 @@ static int __br_mdb_add(struct net *net, struct net_bridge *br, return ret; } -static int br_mdb_add(struct sk_buff *skb, struct nlmsghdr *nlh, void *arg) +static int br_mdb_add(struct sk_buff *skb, struct nlmsghdr *nlh) { struct net *net = sock_net(skb->sk); struct br_mdb_entry *entry; @@ -458,7 +458,7 @@ unlock: return err; } -static int br_mdb_del(struct sk_buff *skb, struct nlmsghdr *nlh, void *arg) +static int br_mdb_del(struct sk_buff *skb, struct nlmsghdr *nlh) { struct net_device *dev; struct br_mdb_entry *entry; diff --git a/net/can/gw.c b/net/can/gw.c index 2d117dc5ebea..2dc619db805a 100644 --- a/net/can/gw.c +++ b/net/can/gw.c @@ -778,8 +778,7 @@ static int cgw_parse_attr(struct nlmsghdr *nlh, struct cf_mod *mod, return 0; } -static int cgw_create_job(struct sk_buff *skb, struct nlmsghdr *nlh, - void *arg) +static int cgw_create_job(struct sk_buff *skb, struct nlmsghdr *nlh) { struct rtcanmsg *r; struct cgw_job *gwj; @@ -868,7 +867,7 @@ static void cgw_remove_all_jobs(void) } } -static int cgw_remove_job(struct sk_buff *skb, struct nlmsghdr *nlh, void *arg) +static int cgw_remove_job(struct sk_buff *skb, struct nlmsghdr *nlh) { struct cgw_job *gwj = NULL; struct hlist_node *nx; diff --git a/net/core/fib_rules.c b/net/core/fib_rules.c index 58a4ba27dfe3..d5a9f8ead0d8 100644 --- a/net/core/fib_rules.c +++ b/net/core/fib_rules.c @@ -266,7 +266,7 @@ errout: return err; } -static int fib_nl_newrule(struct sk_buff *skb, struct nlmsghdr* nlh, void *arg) +static int fib_nl_newrule(struct sk_buff *skb, struct nlmsghdr* nlh) { struct net *net = sock_net(skb->sk); struct fib_rule_hdr *frh = nlmsg_data(nlh); @@ -415,7 +415,7 @@ errout: return err; } -static int fib_nl_delrule(struct sk_buff *skb, struct nlmsghdr* nlh, void *arg) +static int fib_nl_delrule(struct sk_buff *skb, struct nlmsghdr* nlh) { struct net *net = sock_net(skb->sk); struct fib_rule_hdr *frh = nlmsg_data(nlh); diff --git a/net/core/neighbour.c b/net/core/neighbour.c index 3863b8f639c5..c72a646d9f44 100644 --- a/net/core/neighbour.c +++ b/net/core/neighbour.c @@ -1613,7 +1613,7 @@ int neigh_table_clear(struct neigh_table *tbl) } EXPORT_SYMBOL(neigh_table_clear); -static int neigh_delete(struct sk_buff *skb, struct nlmsghdr *nlh, void *arg) +static int neigh_delete(struct sk_buff *skb, struct nlmsghdr *nlh) { struct net *net = sock_net(skb->sk); struct ndmsg *ndm; @@ -1677,7 +1677,7 @@ out: return err; } -static int neigh_add(struct sk_buff *skb, struct nlmsghdr *nlh, void *arg) +static int neigh_add(struct sk_buff *skb, struct nlmsghdr *nlh) { struct net *net = sock_net(skb->sk); struct ndmsg *ndm; @@ -1955,7 +1955,7 @@ static const struct nla_policy nl_ntbl_parm_policy[NDTPA_MAX+1] = { [NDTPA_LOCKTIME] = { .type = NLA_U64 }, }; -static int neightbl_set(struct sk_buff *skb, struct nlmsghdr *nlh, void *arg) +static int neightbl_set(struct sk_buff *skb, struct nlmsghdr *nlh) { struct net *net = sock_net(skb->sk); struct neigh_table *tbl; diff --git a/net/core/rtnetlink.c b/net/core/rtnetlink.c index 9a9b99e1fb70..751f1244b648 100644 --- a/net/core/rtnetlink.c +++ b/net/core/rtnetlink.c @@ -515,32 +515,6 @@ out: return err; } -static const int rtm_min[RTM_NR_FAMILIES] = -{ - [RTM_FAM(RTM_NEWLINK)] = NLMSG_LENGTH(sizeof(struct ifinfomsg)), - [RTM_FAM(RTM_NEWADDR)] = NLMSG_LENGTH(sizeof(struct ifaddrmsg)), - [RTM_FAM(RTM_NEWROUTE)] = NLMSG_LENGTH(sizeof(struct rtmsg)), - [RTM_FAM(RTM_NEWRULE)] = NLMSG_LENGTH(sizeof(struct fib_rule_hdr)), - [RTM_FAM(RTM_NEWQDISC)] = NLMSG_LENGTH(sizeof(struct tcmsg)), - [RTM_FAM(RTM_NEWTCLASS)] = NLMSG_LENGTH(sizeof(struct tcmsg)), - [RTM_FAM(RTM_NEWTFILTER)] = NLMSG_LENGTH(sizeof(struct tcmsg)), - [RTM_FAM(RTM_NEWACTION)] = NLMSG_LENGTH(sizeof(struct tcamsg)), - [RTM_FAM(RTM_GETMULTICAST)] = NLMSG_LENGTH(sizeof(struct rtgenmsg)), - [RTM_FAM(RTM_GETANYCAST)] = NLMSG_LENGTH(sizeof(struct rtgenmsg)), -}; - -static const int rta_max[RTM_NR_FAMILIES] = -{ - [RTM_FAM(RTM_NEWLINK)] = IFLA_MAX, - [RTM_FAM(RTM_NEWADDR)] = IFA_MAX, - [RTM_FAM(RTM_NEWROUTE)] = RTA_MAX, - [RTM_FAM(RTM_NEWRULE)] = FRA_MAX, - [RTM_FAM(RTM_NEWQDISC)] = TCA_MAX, - [RTM_FAM(RTM_NEWTCLASS)] = TCA_MAX, - [RTM_FAM(RTM_NEWTFILTER)] = TCA_MAX, - [RTM_FAM(RTM_NEWACTION)] = TCAA_MAX, -}; - int rtnetlink_send(struct sk_buff *skb, struct net *net, u32 pid, unsigned int group, int echo) { struct sock *rtnl = net->rtnl; @@ -1537,7 +1511,7 @@ errout: return err; } -static int rtnl_setlink(struct sk_buff *skb, struct nlmsghdr *nlh, void *arg) +static int rtnl_setlink(struct sk_buff *skb, struct nlmsghdr *nlh) { struct net *net = sock_net(skb->sk); struct ifinfomsg *ifm; @@ -1578,7 +1552,7 @@ errout: return err; } -static int rtnl_dellink(struct sk_buff *skb, struct nlmsghdr *nlh, void *arg) +static int rtnl_dellink(struct sk_buff *skb, struct nlmsghdr *nlh) { struct net *net = sock_net(skb->sk); const struct rtnl_link_ops *ops; @@ -1709,7 +1683,7 @@ static int rtnl_group_changelink(struct net *net, int group, return 0; } -static int rtnl_newlink(struct sk_buff *skb, struct nlmsghdr *nlh, void *arg) +static int rtnl_newlink(struct sk_buff *skb, struct nlmsghdr *nlh) { struct net *net = sock_net(skb->sk); const struct rtnl_link_ops *ops; @@ -1864,7 +1838,7 @@ out: } } -static int rtnl_getlink(struct sk_buff *skb, struct nlmsghdr* nlh, void *arg) +static int rtnl_getlink(struct sk_buff *skb, struct nlmsghdr* nlh) { struct net *net = sock_net(skb->sk); struct ifinfomsg *ifm; @@ -2081,7 +2055,7 @@ int ndo_dflt_fdb_add(struct ndmsg *ndm, } EXPORT_SYMBOL(ndo_dflt_fdb_add); -static int rtnl_fdb_add(struct sk_buff *skb, struct nlmsghdr *nlh, void *arg) +static int rtnl_fdb_add(struct sk_buff *skb, struct nlmsghdr *nlh) { struct net *net = sock_net(skb->sk); struct ndmsg *ndm; @@ -2179,7 +2153,7 @@ int ndo_dflt_fdb_del(struct ndmsg *ndm, } EXPORT_SYMBOL(ndo_dflt_fdb_del); -static int rtnl_fdb_del(struct sk_buff *skb, struct nlmsghdr *nlh, void *arg) +static int rtnl_fdb_del(struct sk_buff *skb, struct nlmsghdr *nlh) { struct net *net = sock_net(skb->sk); struct ndmsg *ndm; @@ -2478,8 +2452,7 @@ errout: return err; } -static int rtnl_bridge_setlink(struct sk_buff *skb, struct nlmsghdr *nlh, - void *arg) +static int rtnl_bridge_setlink(struct sk_buff *skb, struct nlmsghdr *nlh) { struct net *net = sock_net(skb->sk); struct ifinfomsg *ifm; @@ -2549,8 +2522,7 @@ out: return err; } -static int rtnl_bridge_dellink(struct sk_buff *skb, struct nlmsghdr *nlh, - void *arg) +static int rtnl_bridge_dellink(struct sk_buff *skb, struct nlmsghdr *nlh) { struct net *net = sock_net(skb->sk); struct ifinfomsg *ifm; @@ -2620,10 +2592,6 @@ out: return err; } -/* Protected by RTNL sempahore. */ -static struct rtattr **rta_buf; -static int rtattr_max; - /* Process one rtnetlink message. */ static int rtnetlink_rcv_msg(struct sk_buff *skb, struct nlmsghdr *nlh) @@ -2631,7 +2599,6 @@ static int rtnetlink_rcv_msg(struct sk_buff *skb, struct nlmsghdr *nlh) struct net *net = sock_net(skb->sk); rtnl_doit_func doit; int sz_idx, kind; - int min_len; int family; int type; int err; @@ -2679,32 +2646,11 @@ static int rtnetlink_rcv_msg(struct sk_buff *skb, struct nlmsghdr *nlh) return err; } - memset(rta_buf, 0, (rtattr_max * sizeof(struct rtattr *))); - - min_len = rtm_min[sz_idx]; - if (nlh->nlmsg_len < min_len) - return -EINVAL; - - if (nlh->nlmsg_len > min_len) { - int attrlen = nlh->nlmsg_len - NLMSG_ALIGN(min_len); - struct rtattr *attr = (void *)nlh + NLMSG_ALIGN(min_len); - - while (RTA_OK(attr, attrlen)) { - unsigned int flavor = attr->rta_type & NLA_TYPE_MASK; - if (flavor) { - if (flavor > rta_max[sz_idx]) - return -EINVAL; - rta_buf[flavor-1] = attr; - } - attr = RTA_NEXT(attr, attrlen); - } - } - doit = rtnl_get_doit(family, type); if (doit == NULL) return -EOPNOTSUPP; - return doit(skb, nlh, (void *)&rta_buf[0]); + return doit(skb, nlh); } static void rtnetlink_rcv(struct sk_buff *skb) @@ -2774,16 +2720,6 @@ static struct pernet_operations rtnetlink_net_ops = { void __init rtnetlink_init(void) { - int i; - - rtattr_max = 0; - for (i = 0; i < ARRAY_SIZE(rta_max); i++) - if (rta_max[i] > rtattr_max) - rtattr_max = rta_max[i]; - rta_buf = kmalloc(rtattr_max * sizeof(struct rtattr *), GFP_KERNEL); - if (!rta_buf) - panic("rtnetlink_init: cannot allocate rta_buf\n"); - if (register_pernet_subsys(&rtnetlink_net_ops)) panic("rtnetlink_init: cannot initialize rtnetlink\n"); diff --git a/net/dcb/dcbnl.c b/net/dcb/dcbnl.c index 21291f1abcd6..40d5829ed36a 100644 --- a/net/dcb/dcbnl.c +++ b/net/dcb/dcbnl.c @@ -1658,7 +1658,7 @@ static const struct reply_func reply_funcs[DCB_CMD_MAX+1] = { [DCB_CMD_CEE_GET] = { RTM_GETDCB, dcbnl_cee_get }, }; -static int dcb_doit(struct sk_buff *skb, struct nlmsghdr *nlh, void *arg) +static int dcb_doit(struct sk_buff *skb, struct nlmsghdr *nlh) { struct net *net = sock_net(skb->sk); struct net_device *netdev; diff --git a/net/decnet/dn_dev.c b/net/decnet/dn_dev.c index c8da116d84a4..7d9197063ebb 100644 --- a/net/decnet/dn_dev.c +++ b/net/decnet/dn_dev.c @@ -563,7 +563,7 @@ static const struct nla_policy dn_ifa_policy[IFA_MAX+1] = { .len = IFNAMSIZ - 1 }, }; -static int dn_nl_deladdr(struct sk_buff *skb, struct nlmsghdr *nlh, void *arg) +static int dn_nl_deladdr(struct sk_buff *skb, struct nlmsghdr *nlh) { struct net *net = sock_net(skb->sk); struct nlattr *tb[IFA_MAX+1]; @@ -607,7 +607,7 @@ errout: return err; } -static int dn_nl_newaddr(struct sk_buff *skb, struct nlmsghdr *nlh, void *arg) +static int dn_nl_newaddr(struct sk_buff *skb, struct nlmsghdr *nlh) { struct net *net = sock_net(skb->sk); struct nlattr *tb[IFA_MAX+1]; diff --git a/net/decnet/dn_fib.c b/net/decnet/dn_fib.c index 42a8048fe725..f09305949931 100644 --- a/net/decnet/dn_fib.c +++ b/net/decnet/dn_fib.c @@ -511,7 +511,7 @@ static inline u32 rtm_get_table(struct nlattr *attrs[], u8 table) return table; } -static int dn_fib_rtm_delroute(struct sk_buff *skb, struct nlmsghdr *nlh, void *arg) +static int dn_fib_rtm_delroute(struct sk_buff *skb, struct nlmsghdr *nlh) { struct net *net = sock_net(skb->sk); struct dn_fib_table *tb; @@ -536,7 +536,7 @@ static int dn_fib_rtm_delroute(struct sk_buff *skb, struct nlmsghdr *nlh, void * return tb->delete(tb, r, attrs, nlh, &NETLINK_CB(skb)); } -static int dn_fib_rtm_newroute(struct sk_buff *skb, struct nlmsghdr *nlh, void *arg) +static int dn_fib_rtm_newroute(struct sk_buff *skb, struct nlmsghdr *nlh) { struct net *net = sock_net(skb->sk); struct dn_fib_table *tb; diff --git a/net/decnet/dn_route.c b/net/decnet/dn_route.c index b4b3508e77f0..5904429e8d6a 100644 --- a/net/decnet/dn_route.c +++ b/net/decnet/dn_route.c @@ -1616,7 +1616,7 @@ errout: /* * This is called by both endnodes and routers now. */ -static int dn_cache_getroute(struct sk_buff *in_skb, struct nlmsghdr *nlh, void *arg) +static int dn_cache_getroute(struct sk_buff *in_skb, struct nlmsghdr *nlh) { struct net *net = sock_net(in_skb->sk); struct rtmsg *rtm = nlmsg_data(nlh); diff --git a/net/ipv4/devinet.c b/net/ipv4/devinet.c index af57bbae05b9..20a9f9274f3f 100644 --- a/net/ipv4/devinet.c +++ b/net/ipv4/devinet.c @@ -536,7 +536,7 @@ struct in_ifaddr *inet_ifa_byprefix(struct in_device *in_dev, __be32 prefix, return NULL; } -static int inet_rtm_deladdr(struct sk_buff *skb, struct nlmsghdr *nlh, void *arg) +static int inet_rtm_deladdr(struct sk_buff *skb, struct nlmsghdr *nlh) { struct net *net = sock_net(skb->sk); struct nlattr *tb[IFA_MAX+1]; @@ -775,7 +775,7 @@ static struct in_ifaddr *find_matching_ifa(struct in_ifaddr *ifa) return NULL; } -static int inet_rtm_newaddr(struct sk_buff *skb, struct nlmsghdr *nlh, void *arg) +static int inet_rtm_newaddr(struct sk_buff *skb, struct nlmsghdr *nlh) { struct net *net = sock_net(skb->sk); struct in_ifaddr *ifa; @@ -1730,8 +1730,7 @@ static const struct nla_policy devconf_ipv4_policy[NETCONFA_MAX+1] = { }; static int inet_netconf_get_devconf(struct sk_buff *in_skb, - struct nlmsghdr *nlh, - void *arg) + struct nlmsghdr *nlh) { struct net *net = sock_net(in_skb->sk); struct nlattr *tb[NETCONFA_MAX+1]; diff --git a/net/ipv4/fib_frontend.c b/net/ipv4/fib_frontend.c index eb4bb12b3eb4..0e74398bc8e6 100644 --- a/net/ipv4/fib_frontend.c +++ b/net/ipv4/fib_frontend.c @@ -604,7 +604,7 @@ errout: return err; } -static int inet_rtm_delroute(struct sk_buff *skb, struct nlmsghdr *nlh, void *arg) +static int inet_rtm_delroute(struct sk_buff *skb, struct nlmsghdr *nlh) { struct net *net = sock_net(skb->sk); struct fib_config cfg; @@ -626,7 +626,7 @@ errout: return err; } -static int inet_rtm_newroute(struct sk_buff *skb, struct nlmsghdr *nlh, void *arg) +static int inet_rtm_newroute(struct sk_buff *skb, struct nlmsghdr *nlh) { struct net *net = sock_net(skb->sk); struct fib_config cfg; diff --git a/net/ipv4/route.c b/net/ipv4/route.c index 6e2851464f8f..550781a17b34 100644 --- a/net/ipv4/route.c +++ b/net/ipv4/route.c @@ -2311,7 +2311,7 @@ nla_put_failure: return -EMSGSIZE; } -static int inet_rtm_getroute(struct sk_buff *in_skb, struct nlmsghdr *nlh, void *arg) +static int inet_rtm_getroute(struct sk_buff *in_skb, struct nlmsghdr *nlh) { struct net *net = sock_net(in_skb->sk); struct rtmsg *rtm; diff --git a/net/ipv6/addrconf.c b/net/ipv6/addrconf.c index fa36a677490f..15794fdaf028 100644 --- a/net/ipv6/addrconf.c +++ b/net/ipv6/addrconf.c @@ -544,8 +544,7 @@ static const struct nla_policy devconf_ipv6_policy[NETCONFA_MAX+1] = { }; static int inet6_netconf_get_devconf(struct sk_buff *in_skb, - struct nlmsghdr *nlh, - void *arg) + struct nlmsghdr *nlh) { struct net *net = sock_net(in_skb->sk); struct nlattr *tb[NETCONFA_MAX+1]; @@ -3578,7 +3577,7 @@ static const struct nla_policy ifa_ipv6_policy[IFA_MAX+1] = { }; static int -inet6_rtm_deladdr(struct sk_buff *skb, struct nlmsghdr *nlh, void *arg) +inet6_rtm_deladdr(struct sk_buff *skb, struct nlmsghdr *nlh) { struct net *net = sock_net(skb->sk); struct ifaddrmsg *ifm; @@ -3644,7 +3643,7 @@ static int inet6_addr_modify(struct inet6_ifaddr *ifp, u8 ifa_flags, } static int -inet6_rtm_newaddr(struct sk_buff *skb, struct nlmsghdr *nlh, void *arg) +inet6_rtm_newaddr(struct sk_buff *skb, struct nlmsghdr *nlh) { struct net *net = sock_net(skb->sk); struct ifaddrmsg *ifm; @@ -3983,8 +3982,7 @@ static int inet6_dump_ifacaddr(struct sk_buff *skb, struct netlink_callback *cb) return inet6_dump_addr(skb, cb, type); } -static int inet6_rtm_getaddr(struct sk_buff *in_skb, struct nlmsghdr *nlh, - void *arg) +static int inet6_rtm_getaddr(struct sk_buff *in_skb, struct nlmsghdr *nlh) { struct net *net = sock_net(in_skb->sk); struct ifaddrmsg *ifm; diff --git a/net/ipv6/addrlabel.c b/net/ipv6/addrlabel.c index 6f226c850c91..f083a583a05c 100644 --- a/net/ipv6/addrlabel.c +++ b/net/ipv6/addrlabel.c @@ -414,8 +414,7 @@ static const struct nla_policy ifal_policy[IFAL_MAX+1] = { [IFAL_LABEL] = { .len = sizeof(u32), }, }; -static int ip6addrlbl_newdel(struct sk_buff *skb, struct nlmsghdr *nlh, - void *arg) +static int ip6addrlbl_newdel(struct sk_buff *skb, struct nlmsghdr *nlh) { struct net *net = sock_net(skb->sk); struct ifaddrlblmsg *ifal; @@ -530,8 +529,7 @@ static inline int ip6addrlbl_msgsize(void) + nla_total_size(4); /* IFAL_LABEL */ } -static int ip6addrlbl_get(struct sk_buff *in_skb, struct nlmsghdr* nlh, - void *arg) +static int ip6addrlbl_get(struct sk_buff *in_skb, struct nlmsghdr* nlh) { struct net *net = sock_net(in_skb->sk); struct ifaddrlblmsg *ifal; diff --git a/net/ipv6/route.c b/net/ipv6/route.c index e5fe0041adfa..ad0aa6b0b86a 100644 --- a/net/ipv6/route.c +++ b/net/ipv6/route.c @@ -2355,7 +2355,7 @@ beginning: return last_err; } -static int inet6_rtm_delroute(struct sk_buff *skb, struct nlmsghdr* nlh, void *arg) +static int inet6_rtm_delroute(struct sk_buff *skb, struct nlmsghdr* nlh) { struct fib6_config cfg; int err; @@ -2370,7 +2370,7 @@ static int inet6_rtm_delroute(struct sk_buff *skb, struct nlmsghdr* nlh, void *a return ip6_route_del(&cfg); } -static int inet6_rtm_newroute(struct sk_buff *skb, struct nlmsghdr* nlh, void *arg) +static int inet6_rtm_newroute(struct sk_buff *skb, struct nlmsghdr* nlh) { struct fib6_config cfg; int err; @@ -2562,7 +2562,7 @@ int rt6_dump_route(struct rt6_info *rt, void *p_arg) prefix, 0, NLM_F_MULTI); } -static int inet6_rtm_getroute(struct sk_buff *in_skb, struct nlmsghdr* nlh, void *arg) +static int inet6_rtm_getroute(struct sk_buff *in_skb, struct nlmsghdr* nlh) { struct net *net = sock_net(in_skb->sk); struct nlattr *tb[RTA_MAX+1]; diff --git a/net/phonet/pn_netlink.c b/net/phonet/pn_netlink.c index 0193630d3061..dc15f4300808 100644 --- a/net/phonet/pn_netlink.c +++ b/net/phonet/pn_netlink.c @@ -61,7 +61,7 @@ static const struct nla_policy ifa_phonet_policy[IFA_MAX+1] = { [IFA_LOCAL] = { .type = NLA_U8 }, }; -static int addr_doit(struct sk_buff *skb, struct nlmsghdr *nlh, void *attr) +static int addr_doit(struct sk_buff *skb, struct nlmsghdr *nlh) { struct net *net = sock_net(skb->sk); struct nlattr *tb[IFA_MAX+1]; @@ -224,7 +224,7 @@ static const struct nla_policy rtm_phonet_policy[RTA_MAX+1] = { [RTA_OIF] = { .type = NLA_U32 }, }; -static int route_doit(struct sk_buff *skb, struct nlmsghdr *nlh, void *attr) +static int route_doit(struct sk_buff *skb, struct nlmsghdr *nlh) { struct net *net = sock_net(skb->sk); struct nlattr *tb[RTA_MAX+1]; diff --git a/net/sched/act_api.c b/net/sched/act_api.c index 8579c4bb20c9..fd7072827a40 100644 --- a/net/sched/act_api.c +++ b/net/sched/act_api.c @@ -982,7 +982,7 @@ done: return ret; } -static int tc_ctl_action(struct sk_buff *skb, struct nlmsghdr *n, void *arg) +static int tc_ctl_action(struct sk_buff *skb, struct nlmsghdr *n) { struct net *net = sock_net(skb->sk); struct nlattr *tca[TCA_ACT_MAX + 1]; diff --git a/net/sched/cls_api.c b/net/sched/cls_api.c index 964f5e4f4b8a..9a04b981bc13 100644 --- a/net/sched/cls_api.c +++ b/net/sched/cls_api.c @@ -118,7 +118,7 @@ static inline u32 tcf_auto_prio(struct tcf_proto *tp) /* Add/change/delete/get a filter node */ -static int tc_ctl_tfilter(struct sk_buff *skb, struct nlmsghdr *n, void *arg) +static int tc_ctl_tfilter(struct sk_buff *skb, struct nlmsghdr *n) { struct net *net = sock_net(skb->sk); struct nlattr *tca[TCA_MAX + 1]; diff --git a/net/sched/sch_api.c b/net/sched/sch_api.c index c297e2a8e2a1..0bbce229ac69 100644 --- a/net/sched/sch_api.c +++ b/net/sched/sch_api.c @@ -971,7 +971,7 @@ check_loop_fn(struct Qdisc *q, unsigned long cl, struct qdisc_walker *w) * Delete/get qdisc. */ -static int tc_get_qdisc(struct sk_buff *skb, struct nlmsghdr *n, void *arg) +static int tc_get_qdisc(struct sk_buff *skb, struct nlmsghdr *n) { struct net *net = sock_net(skb->sk); struct tcmsg *tcm = nlmsg_data(n); @@ -1038,7 +1038,7 @@ static int tc_get_qdisc(struct sk_buff *skb, struct nlmsghdr *n, void *arg) * Create/change qdisc. */ -static int tc_modify_qdisc(struct sk_buff *skb, struct nlmsghdr *n, void *arg) +static int tc_modify_qdisc(struct sk_buff *skb, struct nlmsghdr *n) { struct net *net = sock_net(skb->sk); struct tcmsg *tcm; @@ -1372,7 +1372,7 @@ done: -static int tc_ctl_tclass(struct sk_buff *skb, struct nlmsghdr *n, void *arg) +static int tc_ctl_tclass(struct sk_buff *skb, struct nlmsghdr *n) { struct net *net = sock_net(skb->sk); struct tcmsg *tcm = nlmsg_data(n); -- cgit v1.2.3 From 0465277f6b3fd0535428ae935644ac30ce903de0 Mon Sep 17 00:00:00 2001 From: Nicolas Dichtel Date: Fri, 22 Mar 2013 06:28:42 +0000 Subject: ipv4: provide addr and netconf dump consistency info This patch takes benefit of dev_addr_genid and dev_base_seq to check if a change occurs during a netlink dump. If a change is detected, the flag NLM_F_DUMP_INTR is set in the first message after the dump was interrupted. Note that seq and prev_seq must be reset between each family in rtnl_dump_all() because they are specific to each family. Reported-by: Junwei Zhang Reported-by: Hongjun Li Signed-off-by: Nicolas Dichtel Signed-off-by: David S. Miller --- net/core/rtnetlink.c | 5 ++++- net/ipv4/devinet.c | 6 ++++++ 2 files changed, 10 insertions(+), 1 deletion(-) (limited to 'net/core') diff --git a/net/core/rtnetlink.c b/net/core/rtnetlink.c index 751f1244b648..aeb81316a704 100644 --- a/net/core/rtnetlink.c +++ b/net/core/rtnetlink.c @@ -1929,8 +1929,11 @@ static int rtnl_dump_all(struct sk_buff *skb, struct netlink_callback *cb) if (rtnl_msg_handlers[idx] == NULL || rtnl_msg_handlers[idx][type].dumpit == NULL) continue; - if (idx > s_idx) + if (idx > s_idx) { memset(&cb->args[0], 0, sizeof(cb->args)); + cb->prev_seq = 0; + cb->seq = 0; + } if (rtnl_msg_handlers[idx][type].dumpit(skb, cb)) break; } diff --git a/net/ipv4/devinet.c b/net/ipv4/devinet.c index 20a9f9274f3f..5d985e367535 100644 --- a/net/ipv4/devinet.c +++ b/net/ipv4/devinet.c @@ -1499,6 +1499,8 @@ static int inet_dump_ifaddr(struct sk_buff *skb, struct netlink_callback *cb) idx = 0; head = &net->dev_index_head[h]; rcu_read_lock(); + cb->seq = atomic_read(&net->ipv4.dev_addr_genid) ^ + net->dev_base_seq; hlist_for_each_entry_rcu(dev, head, index_hlist) { if (idx < s_idx) goto cont; @@ -1519,6 +1521,7 @@ static int inet_dump_ifaddr(struct sk_buff *skb, struct netlink_callback *cb) rcu_read_unlock(); goto done; } + nl_dump_check_consistent(cb, nlmsg_hdr(skb)); } cont: idx++; @@ -1807,6 +1810,8 @@ static int inet_netconf_dump_devconf(struct sk_buff *skb, idx = 0; head = &net->dev_index_head[h]; rcu_read_lock(); + cb->seq = atomic_read(&net->ipv4.dev_addr_genid) ^ + net->dev_base_seq; hlist_for_each_entry_rcu(dev, head, index_hlist) { if (idx < s_idx) goto cont; @@ -1824,6 +1829,7 @@ static int inet_netconf_dump_devconf(struct sk_buff *skb, rcu_read_unlock(); goto done; } + nl_dump_check_consistent(cb, nlmsg_hdr(skb)); cont: idx++; } -- cgit v1.2.3 From eaac5f3d3ad33547b299935e6db0cfc7be9a576a Mon Sep 17 00:00:00 2001 From: "David S. Miller" Date: Mon, 25 Mar 2013 14:12:55 -0400 Subject: net: Print functions in /proc/net/ptype without the offset. It's always zero. Signed-off-by: David S. Miller --- net/core/net-procfs.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) (limited to 'net/core') diff --git a/net/core/net-procfs.c b/net/core/net-procfs.c index 3174f1998ee6..569d355fec3e 100644 --- a/net/core/net-procfs.c +++ b/net/core/net-procfs.c @@ -271,7 +271,7 @@ static int ptype_seq_show(struct seq_file *seq, void *v) else seq_printf(seq, "%04x", ntohs(pt->type)); - seq_printf(seq, " %-8s %pF\n", + seq_printf(seq, " %-8s %pf\n", pt->dev ? pt->dev->name : "", pt->func); } -- cgit v1.2.3 From 15e5a030716468dce4032fa0f398d840fa2756f6 Mon Sep 17 00:00:00 2001 From: Jason Wang Date: Mon, 25 Mar 2013 20:19:59 +0000 Subject: net_sched: better precise estimation on packet length for untrusted packets gso_segs were reset to zero when kernel receive packets from untrusted source. But we use this zero value to estimate precise packet len which is wrong. So this patch tries to estimate the correct gso_segs value before using it in qdisc_pkt_len_init(). Cc: Eric Dumazet Signed-off-by: Jason Wang Signed-off-by: David S. Miller --- net/core/dev.c | 8 +++++++- 1 file changed, 7 insertions(+), 1 deletion(-) (limited to 'net/core') diff --git a/net/core/dev.c b/net/core/dev.c index de930b751712..f5ad23bb24fc 100644 --- a/net/core/dev.c +++ b/net/core/dev.c @@ -2588,6 +2588,7 @@ static void qdisc_pkt_len_init(struct sk_buff *skb) */ if (shinfo->gso_size) { unsigned int hdr_len; + u16 gso_segs = shinfo->gso_segs; /* mac layer + network layer */ hdr_len = skb_transport_header(skb) - skb_mac_header(skb); @@ -2597,7 +2598,12 @@ static void qdisc_pkt_len_init(struct sk_buff *skb) hdr_len += tcp_hdrlen(skb); else hdr_len += sizeof(struct udphdr); - qdisc_skb_cb(skb)->pkt_len += (shinfo->gso_segs - 1) * hdr_len; + + if (shinfo->gso_type & SKB_GSO_DODGY) + gso_segs = DIV_ROUND_UP(skb->len - hdr_len, + shinfo->gso_size); + + qdisc_skb_cb(skb)->pkt_len += (gso_segs - 1) * hdr_len; } } -- cgit v1.2.3 From e5d5decaedf41f5b03e6819789cc3ba8744d9f54 Mon Sep 17 00:00:00 2001 From: Jason Wang Date: Tue, 26 Mar 2013 23:11:20 +0000 Subject: net: core: let skb_partial_csum_set() set transport header For untrusted packets with partial checksum, we need to set the transport header for precise packet length estimation. We can just let skb_pratial_csum_set() to do this to avoid extra call to skb_flow_dissect() and simplify the caller. Cc: Eric Dumazet Signed-off-by: Jason Wang Acked-by: Eric Dumazet Signed-off-by: David S. Miller --- net/core/skbuff.c | 1 + 1 file changed, 1 insertion(+) (limited to 'net/core') diff --git a/net/core/skbuff.c b/net/core/skbuff.c index 31c6737d3189..ba646145cd5c 100644 --- a/net/core/skbuff.c +++ b/net/core/skbuff.c @@ -3370,6 +3370,7 @@ bool skb_partial_csum_set(struct sk_buff *skb, u16 start, u16 off) skb->ip_summed = CHECKSUM_PARTIAL; skb->csum_start = skb_headroom(skb) + start; skb->csum_offset = off; + skb_set_transport_header(skb, start); return true; } EXPORT_SYMBOL_GPL(skb_partial_csum_set); -- cgit v1.2.3 From 5a048e3b59fb4211b7978f78217878071c344379 Mon Sep 17 00:00:00 2001 From: Andy Shevchenko Date: Wed, 27 Mar 2013 05:54:13 +0000 Subject: net: core: let's use native isxdigit instead of custom In kernel we have fast and pretty implementation of the isxdigit() function. Let's use it. Signed-off-by: Andy Shevchenko Signed-off-by: David S. Miller --- net/core/utils.c | 5 ++--- 1 file changed, 2 insertions(+), 3 deletions(-) (limited to 'net/core') diff --git a/net/core/utils.c b/net/core/utils.c index e3487e461939..3c7f5b51b979 100644 --- a/net/core/utils.c +++ b/net/core/utils.c @@ -17,6 +17,7 @@ #include #include #include +#include #include #include #include @@ -348,9 +349,7 @@ int mac_pton(const char *s, u8 *mac) /* Don't dirty result unless string is valid MAC. */ for (i = 0; i < ETH_ALEN; i++) { - if (!strchr("0123456789abcdefABCDEF", s[i * 3])) - return 0; - if (!strchr("0123456789abcdefABCDEF", s[i * 3 + 1])) + if (!isxdigit(s[i * 3]) || !isxdigit(s[i * 3 + 1])) return 0; if (i != ETH_ALEN - 1 && s[i * 3 + 2] != ':') return 0; -- cgit v1.2.3 From 573ce260b385a4d14a1ef046558fad9f1daeee42 Mon Sep 17 00:00:00 2001 From: Hong zhi guo Date: Wed, 27 Mar 2013 06:47:04 +0000 Subject: net-next: replace obsolete NLMSG_* with type safe nlmsg_* Signed-off-by: Hong Zhiguo Signed-off-by: David S. Miller --- net/bridge/netfilter/ebt_ulog.c | 4 ++-- net/core/rtnetlink.c | 4 ++-- net/decnet/dn_table.c | 4 ++-- net/decnet/netfilter/dn_rtmsg.c | 12 ++++++------ net/ieee802154/netlink.c | 4 ++-- net/ipv4/fib_frontend.c | 6 +++--- net/ipv4/ipmr.c | 10 +++++----- net/ipv4/netfilter/ipt_ULOG.c | 4 ++-- net/ipv4/udp_diag.c | 6 +++--- net/ipv6/ip6mr.c | 10 +++++----- net/netfilter/ipset/ip_set_core.c | 5 ++--- net/netfilter/nfnetlink.c | 7 +++---- net/netfilter/nfnetlink_log.c | 4 ++-- net/netfilter/nfnetlink_queue_core.c | 2 +- net/netlink/af_netlink.c | 4 ++-- net/sched/cls_api.c | 4 ++-- net/sched/sch_api.c | 2 +- net/tipc/netlink.c | 6 +++--- 18 files changed, 48 insertions(+), 50 deletions(-) (limited to 'net/core') diff --git a/net/bridge/netfilter/ebt_ulog.c b/net/bridge/netfilter/ebt_ulog.c index 442b0321acb9..961d870ab283 100644 --- a/net/bridge/netfilter/ebt_ulog.c +++ b/net/bridge/netfilter/ebt_ulog.c @@ -35,7 +35,7 @@ #include #include #include -#include +#include #include #include #include @@ -134,7 +134,7 @@ static void ebt_ulog_packet(unsigned int hooknr, const struct sk_buff *skb, else copy_len = uloginfo->cprange; - size = NLMSG_SPACE(sizeof(*pm) + copy_len); + size = nlmsg_total_size(sizeof(*pm) + copy_len); if (size > nlbufsiz) { pr_debug("Size %Zd needed, but nlbufsiz=%d\n", size, nlbufsiz); return; diff --git a/net/core/rtnetlink.c b/net/core/rtnetlink.c index aeb81316a704..6fdfac8978f2 100644 --- a/net/core/rtnetlink.c +++ b/net/core/rtnetlink.c @@ -2613,10 +2613,10 @@ static int rtnetlink_rcv_msg(struct sk_buff *skb, struct nlmsghdr *nlh) type -= RTM_BASE; /* All the messages must have at least 1 byte length */ - if (nlh->nlmsg_len < NLMSG_LENGTH(sizeof(struct rtgenmsg))) + if (nlmsg_len(nlh) < sizeof(struct rtgenmsg)) return 0; - family = ((struct rtgenmsg *)NLMSG_DATA(nlh))->rtgen_family; + family = ((struct rtgenmsg *)nlmsg_data(nlh))->rtgen_family; sz_idx = type>>2; kind = type&3; diff --git a/net/decnet/dn_table.c b/net/decnet/dn_table.c index fc42a0afd306..b15c1d1720fb 100644 --- a/net/decnet/dn_table.c +++ b/net/decnet/dn_table.c @@ -19,7 +19,7 @@ #include #include #include -#include +#include #include #include #include @@ -492,7 +492,7 @@ int dn_fib_dump(struct sk_buff *skb, struct netlink_callback *cb) if (!net_eq(net, &init_net)) return 0; - if (NLMSG_PAYLOAD(cb->nlh, 0) >= sizeof(struct rtmsg) && + if (nlmsg_len(cb->nlh) >= sizeof(struct rtmsg) && ((struct rtmsg *)nlmsg_data(cb->nlh))->rtm_flags&RTM_F_CLONED) return dn_cache_dump(skb, cb); diff --git a/net/decnet/netfilter/dn_rtmsg.c b/net/decnet/netfilter/dn_rtmsg.c index dfe42012a044..2a7efe388344 100644 --- a/net/decnet/netfilter/dn_rtmsg.c +++ b/net/decnet/netfilter/dn_rtmsg.c @@ -19,7 +19,7 @@ #include #include #include -#include +#include #include #include @@ -39,21 +39,21 @@ static struct sk_buff *dnrmg_build_message(struct sk_buff *rt_skb, int *errp) unsigned char *ptr; struct nf_dn_rtmsg *rtm; - size = NLMSG_SPACE(rt_skb->len); - size += NLMSG_ALIGN(sizeof(struct nf_dn_rtmsg)); - skb = alloc_skb(size, GFP_ATOMIC); + size = NLMSG_ALIGN(rt_skb->len) + + NLMSG_ALIGN(sizeof(struct nf_dn_rtmsg)); + skb = nlmsg_new(size, GFP_ATOMIC); if (!skb) { *errp = -ENOMEM; return NULL; } old_tail = skb->tail; - nlh = nlmsg_put(skb, 0, 0, 0, size - sizeof(*nlh), 0); + nlh = nlmsg_put(skb, 0, 0, 0, size, 0); if (!nlh) { kfree_skb(skb); *errp = -ENOMEM; return NULL; } - rtm = (struct nf_dn_rtmsg *)NLMSG_DATA(nlh); + rtm = (struct nf_dn_rtmsg *)nlmsg_data(nlh); rtm->nfdn_ifindex = rt_skb->dev->ifindex; ptr = NFDN_RTMSG(rtm); skb_copy_from_linear_data(rt_skb, ptr, rt_skb->len); diff --git a/net/ieee802154/netlink.c b/net/ieee802154/netlink.c index 97351e1d07a4..92472528106b 100644 --- a/net/ieee802154/netlink.c +++ b/net/ieee802154/netlink.c @@ -65,7 +65,7 @@ struct sk_buff *ieee802154_nl_create(int flags, u8 req) int ieee802154_nl_mcast(struct sk_buff *msg, unsigned int group) { /* XXX: nlh is right at the start of msg */ - void *hdr = genlmsg_data(NLMSG_DATA(msg->data)); + void *hdr = genlmsg_data(nlmsg_data(msg->data)); if (genlmsg_end(msg, hdr) < 0) goto out; @@ -98,7 +98,7 @@ struct sk_buff *ieee802154_nl_new_reply(struct genl_info *info, int ieee802154_nl_reply(struct sk_buff *msg, struct genl_info *info) { /* XXX: nlh is right at the start of msg */ - void *hdr = genlmsg_data(NLMSG_DATA(msg->data)); + void *hdr = genlmsg_data(nlmsg_data(msg->data)); if (genlmsg_end(msg, hdr) < 0) goto out; diff --git a/net/ipv4/fib_frontend.c b/net/ipv4/fib_frontend.c index 0e74398bc8e6..c7629a209f9d 100644 --- a/net/ipv4/fib_frontend.c +++ b/net/ipv4/fib_frontend.c @@ -957,8 +957,8 @@ static void nl_fib_input(struct sk_buff *skb) net = sock_net(skb->sk); nlh = nlmsg_hdr(skb); - if (skb->len < NLMSG_SPACE(0) || skb->len < nlh->nlmsg_len || - nlh->nlmsg_len < NLMSG_LENGTH(sizeof(*frn))) + if (skb->len < NLMSG_HDRLEN || skb->len < nlh->nlmsg_len || + nlmsg_len(nlh) < sizeof(*frn)) return; skb = skb_clone(skb, GFP_KERNEL); @@ -966,7 +966,7 @@ static void nl_fib_input(struct sk_buff *skb) return; nlh = nlmsg_hdr(skb); - frn = (struct fib_result_nl *) NLMSG_DATA(nlh); + frn = (struct fib_result_nl *) nlmsg_data(nlh); tb = fib_get_table(net, frn->tb_id_in); nl_fib_lookup(frn, tb); diff --git a/net/ipv4/ipmr.c b/net/ipv4/ipmr.c index fd61fe16679f..9d9610ae7855 100644 --- a/net/ipv4/ipmr.c +++ b/net/ipv4/ipmr.c @@ -626,9 +626,9 @@ static void ipmr_destroy_unres(struct mr_table *mrt, struct mfc_cache *c) if (ip_hdr(skb)->version == 0) { struct nlmsghdr *nlh = (struct nlmsghdr *)skb_pull(skb, sizeof(struct iphdr)); nlh->nlmsg_type = NLMSG_ERROR; - nlh->nlmsg_len = NLMSG_LENGTH(sizeof(struct nlmsgerr)); + nlh->nlmsg_len = nlmsg_msg_size(sizeof(struct nlmsgerr)); skb_trim(skb, nlh->nlmsg_len); - e = NLMSG_DATA(nlh); + e = nlmsg_data(nlh); e->error = -ETIMEDOUT; memset(&e->msg, 0, sizeof(e->msg)); @@ -910,14 +910,14 @@ static void ipmr_cache_resolve(struct net *net, struct mr_table *mrt, if (ip_hdr(skb)->version == 0) { struct nlmsghdr *nlh = (struct nlmsghdr *)skb_pull(skb, sizeof(struct iphdr)); - if (__ipmr_fill_mroute(mrt, skb, c, NLMSG_DATA(nlh)) > 0) { + if (__ipmr_fill_mroute(mrt, skb, c, nlmsg_data(nlh)) > 0) { nlh->nlmsg_len = skb_tail_pointer(skb) - (u8 *)nlh; } else { nlh->nlmsg_type = NLMSG_ERROR; - nlh->nlmsg_len = NLMSG_LENGTH(sizeof(struct nlmsgerr)); + nlh->nlmsg_len = nlmsg_msg_size(sizeof(struct nlmsgerr)); skb_trim(skb, nlh->nlmsg_len); - e = NLMSG_DATA(nlh); + e = nlmsg_data(nlh); e->error = -EMSGSIZE; memset(&e->msg, 0, sizeof(e->msg)); } diff --git a/net/ipv4/netfilter/ipt_ULOG.c b/net/ipv4/netfilter/ipt_ULOG.c index 7d168dcbd135..e7f8cad11393 100644 --- a/net/ipv4/netfilter/ipt_ULOG.c +++ b/net/ipv4/netfilter/ipt_ULOG.c @@ -37,7 +37,7 @@ #include #include #include -#include +#include #include #include #include @@ -172,7 +172,7 @@ static void ipt_ulog_packet(unsigned int hooknum, else copy_len = loginfo->copy_range; - size = NLMSG_SPACE(sizeof(*pm) + copy_len); + size = nlmsg_total_size(sizeof(*pm) + copy_len); ub = &ulog_buffers[groupnum]; diff --git a/net/ipv4/udp_diag.c b/net/ipv4/udp_diag.c index 505b30ad9182..369a781851ad 100644 --- a/net/ipv4/udp_diag.c +++ b/net/ipv4/udp_diag.c @@ -64,9 +64,9 @@ static int udp_dump_one(struct udp_table *tbl, struct sk_buff *in_skb, goto out; err = -ENOMEM; - rep = alloc_skb(NLMSG_SPACE((sizeof(struct inet_diag_msg) + - sizeof(struct inet_diag_meminfo) + - 64)), GFP_KERNEL); + rep = nlmsg_new(sizeof(struct inet_diag_msg) + + sizeof(struct inet_diag_meminfo) + 64, + GFP_KERNEL); if (!rep) goto out; diff --git a/net/ipv6/ip6mr.c b/net/ipv6/ip6mr.c index 96bfb4e4b820..241fb8ad9fcf 100644 --- a/net/ipv6/ip6mr.c +++ b/net/ipv6/ip6mr.c @@ -842,9 +842,9 @@ static void ip6mr_destroy_unres(struct mr6_table *mrt, struct mfc6_cache *c) if (ipv6_hdr(skb)->version == 0) { struct nlmsghdr *nlh = (struct nlmsghdr *)skb_pull(skb, sizeof(struct ipv6hdr)); nlh->nlmsg_type = NLMSG_ERROR; - nlh->nlmsg_len = NLMSG_LENGTH(sizeof(struct nlmsgerr)); + nlh->nlmsg_len = nlmsg_msg_size(sizeof(struct nlmsgerr)); skb_trim(skb, nlh->nlmsg_len); - ((struct nlmsgerr *)NLMSG_DATA(nlh))->error = -ETIMEDOUT; + ((struct nlmsgerr *)nlmsg_data(nlh))->error = -ETIMEDOUT; rtnl_unicast(skb, net, NETLINK_CB(skb).portid); } else kfree_skb(skb); @@ -1100,13 +1100,13 @@ static void ip6mr_cache_resolve(struct net *net, struct mr6_table *mrt, if (ipv6_hdr(skb)->version == 0) { struct nlmsghdr *nlh = (struct nlmsghdr *)skb_pull(skb, sizeof(struct ipv6hdr)); - if (__ip6mr_fill_mroute(mrt, skb, c, NLMSG_DATA(nlh)) > 0) { + if (__ip6mr_fill_mroute(mrt, skb, c, nlmsg_data(nlh)) > 0) { nlh->nlmsg_len = skb_tail_pointer(skb) - (u8 *)nlh; } else { nlh->nlmsg_type = NLMSG_ERROR; - nlh->nlmsg_len = NLMSG_LENGTH(sizeof(struct nlmsgerr)); + nlh->nlmsg_len = nlmsg_msg_size(sizeof(struct nlmsgerr)); skb_trim(skb, nlh->nlmsg_len); - ((struct nlmsgerr *)NLMSG_DATA(nlh))->error = -EMSGSIZE; + ((struct nlmsgerr *)nlmsg_data(nlh))->error = -EMSGSIZE; } rtnl_unicast(skb, net, NETLINK_CB(skb).portid); } else diff --git a/net/netfilter/ipset/ip_set_core.c b/net/netfilter/ipset/ip_set_core.c index 1ba9dbc0e107..86f5e26f39d3 100644 --- a/net/netfilter/ipset/ip_set_core.c +++ b/net/netfilter/ipset/ip_set_core.c @@ -15,7 +15,6 @@ #include #include #include -#include #include #include @@ -1085,7 +1084,7 @@ static int dump_init(struct netlink_callback *cb) { struct nlmsghdr *nlh = nlmsg_hdr(cb->skb); - int min_len = NLMSG_SPACE(sizeof(struct nfgenmsg)); + int min_len = nlmsg_total_size(sizeof(struct nfgenmsg)); struct nlattr *cda[IPSET_ATTR_CMD_MAX+1]; struct nlattr *attr = (void *)nlh + min_len; u32 dump_type; @@ -1301,7 +1300,7 @@ call_ad(struct sock *ctnl, struct sk_buff *skb, struct ip_set *set, struct sk_buff *skb2; struct nlmsgerr *errmsg; size_t payload = sizeof(*errmsg) + nlmsg_len(nlh); - int min_len = NLMSG_SPACE(sizeof(struct nfgenmsg)); + int min_len = nlmsg_total_size(sizeof(struct nfgenmsg)); struct nlattr *cda[IPSET_ATTR_CMD_MAX+1]; struct nlattr *cmdattr; u32 *errline; diff --git a/net/netfilter/nfnetlink.c b/net/netfilter/nfnetlink.c index 0b1b32cda307..bc4c499adb13 100644 --- a/net/netfilter/nfnetlink.c +++ b/net/netfilter/nfnetlink.c @@ -24,10 +24,9 @@ #include #include #include -#include #include -#include +#include #include MODULE_LICENSE("GPL"); @@ -144,7 +143,7 @@ static int nfnetlink_rcv_msg(struct sk_buff *skb, struct nlmsghdr *nlh) return -EPERM; /* All the messages must at least contain nfgenmsg */ - if (nlh->nlmsg_len < NLMSG_LENGTH(sizeof(struct nfgenmsg))) + if (nlmsg_len(nlh) < sizeof(struct nfgenmsg)) return 0; type = nlh->nlmsg_type; @@ -172,7 +171,7 @@ replay: } { - int min_len = NLMSG_SPACE(sizeof(struct nfgenmsg)); + int min_len = nlmsg_total_size(sizeof(struct nfgenmsg)); u_int8_t cb_id = NFNL_MSG_TYPE(nlh->nlmsg_type); struct nlattr *cda[ss->cb[cb_id].attr_count + 1]; struct nlattr *attr = (void *)nlh + min_len; diff --git a/net/netfilter/nfnetlink_log.c b/net/netfilter/nfnetlink_log.c index f248db572972..4a2593f100cb 100644 --- a/net/netfilter/nfnetlink_log.c +++ b/net/netfilter/nfnetlink_log.c @@ -19,7 +19,7 @@ #include #include #include -#include +#include #include #include #include @@ -609,7 +609,7 @@ nfulnl_log_packet(u_int8_t pf, /* FIXME: do we want to make the size calculation conditional based on * what is actually present? way more branches and checks, but more * memory efficient... */ - size = NLMSG_SPACE(sizeof(struct nfgenmsg)) + size = nlmsg_total_size(sizeof(struct nfgenmsg)) + nla_total_size(sizeof(struct nfulnl_msg_packet_hdr)) + nla_total_size(sizeof(u_int32_t)) /* ifindex */ + nla_total_size(sizeof(u_int32_t)) /* ifindex */ diff --git a/net/netfilter/nfnetlink_queue_core.c b/net/netfilter/nfnetlink_queue_core.c index 19845e34f70f..e92c9161e396 100644 --- a/net/netfilter/nfnetlink_queue_core.c +++ b/net/netfilter/nfnetlink_queue_core.c @@ -281,7 +281,7 @@ nfqnl_build_packet_message(struct nfqnl_instance *queue, struct nf_conn *ct = NULL; enum ip_conntrack_info uninitialized_var(ctinfo); - size = NLMSG_SPACE(sizeof(struct nfgenmsg)) + size = nlmsg_total_size(sizeof(struct nfgenmsg)) + nla_total_size(sizeof(struct nfqnl_msg_packet_hdr)) + nla_total_size(sizeof(u_int32_t)) /* ifindex */ + nla_total_size(sizeof(u_int32_t)) /* ifindex */ diff --git a/net/netlink/af_netlink.c b/net/netlink/af_netlink.c index a500ce201438..ce2e0064e7f6 100644 --- a/net/netlink/af_netlink.c +++ b/net/netlink/af_netlink.c @@ -1646,7 +1646,7 @@ struct nlmsghdr * __nlmsg_put(struct sk_buff *skb, u32 portid, u32 seq, int type, int len, int flags) { struct nlmsghdr *nlh; - int size = NLMSG_LENGTH(len); + int size = nlmsg_msg_size(len); nlh = (struct nlmsghdr*)skb_put(skb, NLMSG_ALIGN(size)); nlh->nlmsg_type = type; @@ -1655,7 +1655,7 @@ __nlmsg_put(struct sk_buff *skb, u32 portid, u32 seq, int type, int len, int fla nlh->nlmsg_pid = portid; nlh->nlmsg_seq = seq; if (!__builtin_constant_p(size) || NLMSG_ALIGN(size) - size != 0) - memset(NLMSG_DATA(nlh) + len, 0, NLMSG_ALIGN(size) - size); + memset(nlmsg_data(nlh) + len, 0, NLMSG_ALIGN(size) - size); return nlh; } EXPORT_SYMBOL(__nlmsg_put); diff --git a/net/sched/cls_api.c b/net/sched/cls_api.c index 9d71d4ded53b..5c81b2603239 100644 --- a/net/sched/cls_api.c +++ b/net/sched/cls_api.c @@ -22,7 +22,7 @@ #include #include #include -#include +#include #include #include #include @@ -428,7 +428,7 @@ static int tc_dump_tfilter(struct sk_buff *skb, struct netlink_callback *cb) const struct Qdisc_class_ops *cops; struct tcf_dump_args arg; - if (cb->nlh->nlmsg_len < NLMSG_LENGTH(sizeof(*tcm))) + if (nlmsg_len(cb->nlh) < sizeof(*tcm)) return skb->len; dev = __dev_get_by_index(net, tcm->tcm_ifindex); if (!dev) diff --git a/net/sched/sch_api.c b/net/sched/sch_api.c index d7468baf890e..2b935e7cfe7b 100644 --- a/net/sched/sch_api.c +++ b/net/sched/sch_api.c @@ -1642,7 +1642,7 @@ static int tc_dump_tclass(struct sk_buff *skb, struct netlink_callback *cb) struct net_device *dev; int t, s_t; - if (cb->nlh->nlmsg_len < NLMSG_LENGTH(sizeof(*tcm))) + if (nlmsg_len(cb->nlh) < sizeof(*tcm)) return 0; dev = dev_get_by_index(net, tcm->tcm_ifindex); if (!dev) diff --git a/net/tipc/netlink.c b/net/tipc/netlink.c index 6675914dc592..8bcd4985d0fb 100644 --- a/net/tipc/netlink.c +++ b/net/tipc/netlink.c @@ -44,7 +44,7 @@ static int handle_cmd(struct sk_buff *skb, struct genl_info *info) struct nlmsghdr *rep_nlh; struct nlmsghdr *req_nlh = info->nlhdr; struct tipc_genlmsghdr *req_userhdr = info->userhdr; - int hdr_space = NLMSG_SPACE(GENL_HDRLEN + TIPC_GENL_HDRLEN); + int hdr_space = nlmsg_total_size(GENL_HDRLEN + TIPC_GENL_HDRLEN); u16 cmd; if ((req_userhdr->cmd & 0xC000) && (!capable(CAP_NET_ADMIN))) @@ -53,8 +53,8 @@ static int handle_cmd(struct sk_buff *skb, struct genl_info *info) cmd = req_userhdr->cmd; rep_buf = tipc_cfg_do_cmd(req_userhdr->dest, cmd, - NLMSG_DATA(req_nlh) + GENL_HDRLEN + TIPC_GENL_HDRLEN, - NLMSG_PAYLOAD(req_nlh, GENL_HDRLEN + TIPC_GENL_HDRLEN), + nlmsg_data(req_nlh) + GENL_HDRLEN + TIPC_GENL_HDRLEN, + nlmsg_attrlen(req_nlh, GENL_HDRLEN + TIPC_GENL_HDRLEN), hdr_space); if (rep_buf) { -- cgit v1.2.3 From 278150321a3f5af85803e1214807ca5cfbace0e1 Mon Sep 17 00:00:00 2001 From: Li RongQing Date: Thu, 28 Mar 2013 02:24:11 +0000 Subject: net: simplify the getting percpu of flow_cache replace per_cpu with per_cpu_ptr to save conversion between address and pointer Signed-off-by: Li RongQing Signed-off-by: David S. Miller --- net/core/flow.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) (limited to 'net/core') diff --git a/net/core/flow.c b/net/core/flow.c index 7fae13537b6b..707fb7b952e8 100644 --- a/net/core/flow.c +++ b/net/core/flow.c @@ -334,7 +334,7 @@ static int flow_cache_percpu_empty(struct flow_cache *fc, int cpu) struct flow_cache_percpu *fcp; int i; - fcp = &per_cpu(*fc->percpu, cpu); + fcp = per_cpu_ptr(fc->percpu, cpu); for (i = 0; i < flow_cache_hash_size(fc); i++) if (!hlist_empty(&fcp->hash_table[i])) return 0; -- cgit v1.2.3 From 91f3e7b17412d42e933949a9c297072b13a04d41 Mon Sep 17 00:00:00 2001 From: John Fastabend Date: Fri, 29 Mar 2013 08:18:37 +0000 Subject: net: rtnetlink: fdb dflt dump must set idx used for cb->arg[0] In rtnl_fdb_dump() when the fdb_dump ndo op is not populated we never set the idx value so that cb->arg[0] is always 0. Resulting in a endless loop of messages. Introduced with this commit, commit 090096bf3db1c281ddd034573260045888a68fea Author: Vlad Yasevich Date: Wed Mar 6 15:39:42 2013 +0000 net: generic fdb support for drivers without ndo_fdb_ CC: Vlad Yasevich Signed-off-by: John Fastabend Signed-off-by: David S. Miller --- net/core/rtnetlink.c | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) (limited to 'net/core') diff --git a/net/core/rtnetlink.c b/net/core/rtnetlink.c index 6fdfac8978f2..d2322d7f0f7b 100644 --- a/net/core/rtnetlink.c +++ b/net/core/rtnetlink.c @@ -2262,7 +2262,7 @@ skip: * @dev: netdevice * * Default netdevice operation to dump the existing unicast address list. - * Returns zero on success. + * Returns number of addresses from list put in skb. */ int ndo_dflt_fdb_dump(struct sk_buff *skb, struct netlink_callback *cb, @@ -2303,7 +2303,7 @@ static int rtnl_fdb_dump(struct sk_buff *skb, struct netlink_callback *cb) if (dev->netdev_ops->ndo_fdb_dump) idx = dev->netdev_ops->ndo_fdb_dump(skb, cb, dev, idx); else - ndo_dflt_fdb_dump(skb, cb, dev, idx); + idx = ndo_dflt_fdb_dump(skb, cb, dev, idx); } rcu_read_unlock(); -- cgit v1.2.3 From 7d4c04fc170087119727119074e72445f2bb192b Mon Sep 17 00:00:00 2001 From: "Keller, Jacob E" Date: Thu, 28 Mar 2013 11:19:25 +0000 Subject: net: add option to enable error queue packets waking select Currently, when a socket receives something on the error queue it only wakes up the socket on select if it is in the "read" list, that is the socket has something to read. It is useful also to wake the socket if it is in the error list, which would enable software to wait on error queue packets without waking up for regular data on the socket. The main use case is for receiving timestamped transmit packets which return the timestamp to the socket via the error queue. This enables an application to select on the socket for the error queue only instead of for the regular traffic. -v2- * Added the SO_SELECT_ERR_QUEUE socket option to every architechture specific file * Modified every socket poll function that checks error queue Signed-off-by: Jacob Keller Cc: Jeffrey Kirsher Cc: Richard Cochran Cc: Matthew Vick Signed-off-by: David S. Miller --- arch/alpha/include/uapi/asm/socket.h | 2 ++ arch/avr32/include/uapi/asm/socket.h | 2 ++ arch/cris/include/uapi/asm/socket.h | 2 ++ arch/frv/include/uapi/asm/socket.h | 2 ++ arch/h8300/include/uapi/asm/socket.h | 2 ++ arch/ia64/include/uapi/asm/socket.h | 2 ++ arch/m32r/include/uapi/asm/socket.h | 2 ++ arch/mips/include/uapi/asm/socket.h | 2 ++ arch/mn10300/include/uapi/asm/socket.h | 2 ++ arch/parisc/include/uapi/asm/socket.h | 2 ++ arch/powerpc/include/uapi/asm/socket.h | 2 ++ arch/s390/include/uapi/asm/socket.h | 2 ++ arch/sparc/include/uapi/asm/socket.h | 2 ++ arch/xtensa/include/uapi/asm/socket.h | 2 ++ include/net/sock.h | 1 + include/uapi/asm-generic/socket.h | 2 ++ net/bluetooth/af_bluetooth.c | 3 ++- net/core/datagram.c | 4 +++- net/core/sock.c | 8 ++++++++ net/iucv/af_iucv.c | 3 ++- net/nfc/llcp/sock.c | 3 ++- net/sctp/socket.c | 3 ++- net/unix/af_unix.c | 4 +++- 23 files changed, 53 insertions(+), 6 deletions(-) (limited to 'net/core') diff --git a/arch/alpha/include/uapi/asm/socket.h b/arch/alpha/include/uapi/asm/socket.h index c5195524d1ef..eee6ea76bdaf 100644 --- a/arch/alpha/include/uapi/asm/socket.h +++ b/arch/alpha/include/uapi/asm/socket.h @@ -79,4 +79,6 @@ #define SO_LOCK_FILTER 44 +#define SO_SELECT_ERR_QUEUE 45 + #endif /* _UAPI_ASM_SOCKET_H */ diff --git a/arch/avr32/include/uapi/asm/socket.h b/arch/avr32/include/uapi/asm/socket.h index 51c6401582ea..37401f535126 100644 --- a/arch/avr32/include/uapi/asm/socket.h +++ b/arch/avr32/include/uapi/asm/socket.h @@ -72,4 +72,6 @@ #define SO_LOCK_FILTER 44 +#define SO_SELECT_ERR_QUEUE 45 + #endif /* __ASM_AVR32_SOCKET_H */ diff --git a/arch/cris/include/uapi/asm/socket.h b/arch/cris/include/uapi/asm/socket.h index 50692b738c75..ba409c9947bc 100644 --- a/arch/cris/include/uapi/asm/socket.h +++ b/arch/cris/include/uapi/asm/socket.h @@ -74,6 +74,8 @@ #define SO_LOCK_FILTER 44 +#define SO_SELECT_ERR_QUEUE 45 + #endif /* _ASM_SOCKET_H */ diff --git a/arch/frv/include/uapi/asm/socket.h b/arch/frv/include/uapi/asm/socket.h index 595391f0f98c..31dbb5d8e13d 100644 --- a/arch/frv/include/uapi/asm/socket.h +++ b/arch/frv/include/uapi/asm/socket.h @@ -72,5 +72,7 @@ #define SO_LOCK_FILTER 44 +#define SO_SELECT_ERR_QUEUE 45 + #endif /* _ASM_SOCKET_H */ diff --git a/arch/h8300/include/uapi/asm/socket.h b/arch/h8300/include/uapi/asm/socket.h index 43e32621da7d..5d1c6d0870e6 100644 --- a/arch/h8300/include/uapi/asm/socket.h +++ b/arch/h8300/include/uapi/asm/socket.h @@ -72,4 +72,6 @@ #define SO_LOCK_FILTER 44 +#define SO_SELECT_ERR_QUEUE 45 + #endif /* _ASM_SOCKET_H */ diff --git a/arch/ia64/include/uapi/asm/socket.h b/arch/ia64/include/uapi/asm/socket.h index c567adc8bea5..6b4329f18b29 100644 --- a/arch/ia64/include/uapi/asm/socket.h +++ b/arch/ia64/include/uapi/asm/socket.h @@ -81,4 +81,6 @@ #define SO_LOCK_FILTER 44 +#define SO_SELECT_ERR_QUEUE 45 + #endif /* _ASM_IA64_SOCKET_H */ diff --git a/arch/m32r/include/uapi/asm/socket.h b/arch/m32r/include/uapi/asm/socket.h index 519afa2755db..2a3b59e0e171 100644 --- a/arch/m32r/include/uapi/asm/socket.h +++ b/arch/m32r/include/uapi/asm/socket.h @@ -72,4 +72,6 @@ #define SO_LOCK_FILTER 44 +#define SO_SELECT_ERR_QUEUE 45 + #endif /* _ASM_M32R_SOCKET_H */ diff --git a/arch/mips/include/uapi/asm/socket.h b/arch/mips/include/uapi/asm/socket.h index 47132f44c955..3b211507be7f 100644 --- a/arch/mips/include/uapi/asm/socket.h +++ b/arch/mips/include/uapi/asm/socket.h @@ -90,4 +90,6 @@ #define SO_LOCK_FILTER 44 +#define SO_SELECT_ERR_QUEUE 45 + #endif /* _UAPI_ASM_SOCKET_H */ diff --git a/arch/mn10300/include/uapi/asm/socket.h b/arch/mn10300/include/uapi/asm/socket.h index 5c7c7c988544..b4ce844c9391 100644 --- a/arch/mn10300/include/uapi/asm/socket.h +++ b/arch/mn10300/include/uapi/asm/socket.h @@ -72,4 +72,6 @@ #define SO_LOCK_FILTER 44 +#define SO_SELECT_ERR_QUEUE 45 + #endif /* _ASM_SOCKET_H */ diff --git a/arch/parisc/include/uapi/asm/socket.h b/arch/parisc/include/uapi/asm/socket.h index 526e4b9aece0..70c512a386f7 100644 --- a/arch/parisc/include/uapi/asm/socket.h +++ b/arch/parisc/include/uapi/asm/socket.h @@ -71,6 +71,8 @@ #define SO_LOCK_FILTER 0x4025 +#define SO_SELECT_ERR_QUEUE 0x4026 + /* O_NONBLOCK clashes with the bits used for socket types. Therefore we * have to define SOCK_NONBLOCK to a different value here. */ diff --git a/arch/powerpc/include/uapi/asm/socket.h b/arch/powerpc/include/uapi/asm/socket.h index a26dcaece509..a36daf3c6f9a 100644 --- a/arch/powerpc/include/uapi/asm/socket.h +++ b/arch/powerpc/include/uapi/asm/socket.h @@ -79,4 +79,6 @@ #define SO_LOCK_FILTER 44 +#define SO_SELECT_ERR_QUEUE 45 + #endif /* _ASM_POWERPC_SOCKET_H */ diff --git a/arch/s390/include/uapi/asm/socket.h b/arch/s390/include/uapi/asm/socket.h index f99eea7fff0f..2dacb306835c 100644 --- a/arch/s390/include/uapi/asm/socket.h +++ b/arch/s390/include/uapi/asm/socket.h @@ -78,4 +78,6 @@ #define SO_LOCK_FILTER 44 +#define SO_SELECT_ERR_QUEUE 45 + #endif /* _ASM_SOCKET_H */ diff --git a/arch/sparc/include/uapi/asm/socket.h b/arch/sparc/include/uapi/asm/socket.h index cbbad74b2e06..89f49b68a21c 100644 --- a/arch/sparc/include/uapi/asm/socket.h +++ b/arch/sparc/include/uapi/asm/socket.h @@ -68,6 +68,8 @@ #define SO_LOCK_FILTER 0x0028 +#define SO_SELECT_ERR_QUEUE 0x0029 + /* Security levels - as per NRL IPv6 - don't actually do anything */ #define SO_SECURITY_AUTHENTICATION 0x5001 #define SO_SECURITY_ENCRYPTION_TRANSPORT 0x5002 diff --git a/arch/xtensa/include/uapi/asm/socket.h b/arch/xtensa/include/uapi/asm/socket.h index 35905cb6e419..a8f44f50e651 100644 --- a/arch/xtensa/include/uapi/asm/socket.h +++ b/arch/xtensa/include/uapi/asm/socket.h @@ -83,4 +83,6 @@ #define SO_LOCK_FILTER 44 +#define SO_SELECT_ERR_QUEUE 45 + #endif /* _XTENSA_SOCKET_H */ diff --git a/include/net/sock.h b/include/net/sock.h index 14f6e9d19dc7..08f05f964737 100644 --- a/include/net/sock.h +++ b/include/net/sock.h @@ -667,6 +667,7 @@ enum sock_flags { * user-space instead. */ SOCK_FILTER_LOCKED, /* Filter cannot be changed anymore */ + SOCK_SELECT_ERR_QUEUE, /* Wake select on error queue */ }; static inline void sock_copy_flags(struct sock *nsk, struct sock *osk) diff --git a/include/uapi/asm-generic/socket.h b/include/uapi/asm-generic/socket.h index 4ef3acbba5da..c5d2e3a1cf68 100644 --- a/include/uapi/asm-generic/socket.h +++ b/include/uapi/asm-generic/socket.h @@ -74,4 +74,6 @@ #define SO_LOCK_FILTER 44 +#define SO_SELECT_ERR_QUEUE 45 + #endif /* __ASM_GENERIC_SOCKET_H */ diff --git a/net/bluetooth/af_bluetooth.c b/net/bluetooth/af_bluetooth.c index d3ee69b35a78..409902f892ff 100644 --- a/net/bluetooth/af_bluetooth.c +++ b/net/bluetooth/af_bluetooth.c @@ -422,7 +422,8 @@ unsigned int bt_sock_poll(struct file *file, struct socket *sock, return bt_accept_poll(sk); if (sk->sk_err || !skb_queue_empty(&sk->sk_error_queue)) - mask |= POLLERR; + mask |= POLLERR | + sock_flag(sk, SOCK_SELECT_ERR_QUEUE) ? POLLPRI : 0; if (sk->sk_shutdown & RCV_SHUTDOWN) mask |= POLLRDHUP | POLLIN | POLLRDNORM; diff --git a/net/core/datagram.c b/net/core/datagram.c index 368f9c3f9dc6..36da5b663514 100644 --- a/net/core/datagram.c +++ b/net/core/datagram.c @@ -749,7 +749,9 @@ unsigned int datagram_poll(struct file *file, struct socket *sock, /* exceptional events? */ if (sk->sk_err || !skb_queue_empty(&sk->sk_error_queue)) - mask |= POLLERR; + mask |= POLLERR | + sock_flag(sk, SOCK_SELECT_ERR_QUEUE) ? POLLPRI : 0; + if (sk->sk_shutdown & RCV_SHUTDOWN) mask |= POLLRDHUP | POLLIN | POLLRDNORM; if (sk->sk_shutdown == SHUTDOWN_MASK) diff --git a/net/core/sock.c b/net/core/sock.c index a19e728d5fb6..2ff5f3619a8d 100644 --- a/net/core/sock.c +++ b/net/core/sock.c @@ -907,6 +907,10 @@ set_rcvbuf: sock_valbool_flag(sk, SOCK_NOFCS, valbool); break; + case SO_SELECT_ERR_QUEUE: + sock_valbool_flag(sk, SOCK_SELECT_ERR_QUEUE, valbool); + break; + default: ret = -ENOPROTOOPT; break; @@ -1160,6 +1164,10 @@ int sock_getsockopt(struct socket *sock, int level, int optname, v.val = sock_flag(sk, SOCK_FILTER_LOCKED); break; + case SO_SELECT_ERR_QUEUE: + v.val = sock_flag(sk, SOCK_SELECT_ERR_QUEUE); + break; + default: return -ENOPROTOOPT; } diff --git a/net/iucv/af_iucv.c b/net/iucv/af_iucv.c index a7d11ffe4284..f0550a38f295 100644 --- a/net/iucv/af_iucv.c +++ b/net/iucv/af_iucv.c @@ -1461,7 +1461,8 @@ unsigned int iucv_sock_poll(struct file *file, struct socket *sock, return iucv_accept_poll(sk); if (sk->sk_err || !skb_queue_empty(&sk->sk_error_queue)) - mask |= POLLERR; + mask |= POLLERR | + sock_flag(sk, SOCK_SELECT_ERR_QUEUE) ? POLLPRI : 0; if (sk->sk_shutdown & RCV_SHUTDOWN) mask |= POLLRDHUP; diff --git a/net/nfc/llcp/sock.c b/net/nfc/llcp/sock.c index f1b377e247fe..2d55e8a45958 100644 --- a/net/nfc/llcp/sock.c +++ b/net/nfc/llcp/sock.c @@ -521,7 +521,8 @@ static unsigned int llcp_sock_poll(struct file *file, struct socket *sock, return llcp_accept_poll(sk); if (sk->sk_err || !skb_queue_empty(&sk->sk_error_queue)) - mask |= POLLERR; + mask |= POLLERR | + sock_flag(sk, SOCK_SELECT_ERR_QUEUE) ? POLLPRI : 0; if (!skb_queue_empty(&sk->sk_receive_queue)) mask |= POLLIN | POLLRDNORM; diff --git a/net/sctp/socket.c b/net/sctp/socket.c index b9070736b8d9..dd21ae3013d8 100644 --- a/net/sctp/socket.c +++ b/net/sctp/socket.c @@ -6185,7 +6185,8 @@ unsigned int sctp_poll(struct file *file, struct socket *sock, poll_table *wait) /* Is there any exceptional events? */ if (sk->sk_err || !skb_queue_empty(&sk->sk_error_queue)) - mask |= POLLERR; + mask |= POLLERR | + sock_flag(sk, SOCK_SELECT_ERR_QUEUE) ? POLLPRI : 0; if (sk->sk_shutdown & RCV_SHUTDOWN) mask |= POLLRDHUP | POLLIN | POLLRDNORM; if (sk->sk_shutdown == SHUTDOWN_MASK) diff --git a/net/unix/af_unix.c b/net/unix/af_unix.c index 971282b6f6a3..fb7a63ff71a5 100644 --- a/net/unix/af_unix.c +++ b/net/unix/af_unix.c @@ -2196,7 +2196,9 @@ static unsigned int unix_dgram_poll(struct file *file, struct socket *sock, /* exceptional events? */ if (sk->sk_err || !skb_queue_empty(&sk->sk_error_queue)) - mask |= POLLERR; + mask |= POLLERR | + sock_flag(sk, SOCK_SELECT_ERR_QUEUE) ? POLLPRI : 0; + if (sk->sk_shutdown & RCV_SHUTDOWN) mask |= POLLRDHUP | POLLIN | POLLRDNORM; if (sk->sk_shutdown == SHUTDOWN_MASK) -- cgit v1.2.3 From 932bc4d7a53ba418de67fdab533248df5b36c752 Mon Sep 17 00:00:00 2001 From: Julian Anastasov Date: Thu, 21 Mar 2013 11:57:58 +0200 Subject: net: add skb_dst_set_noref_force Rename skb_dst_set_noref to __skb_dst_set_noref and add force flag as suggested by David Miller. The new wrapper skb_dst_set_noref_force will force dst entries that are not cached to be attached as skb dst without taking reference as long as provided dst is reclaimed after RCU grace period. Signed-off-by: Julian Anastasov Signed-off by: Hans Schillstrom Acked-by: David S. Miller Signed-off-by: Simon Horman --- include/linux/skbuff.h | 35 ++++++++++++++++++++++++++++++++++- net/core/dst.c | 9 +++++---- 2 files changed, 39 insertions(+), 5 deletions(-) (limited to 'net/core') diff --git a/include/linux/skbuff.h b/include/linux/skbuff.h index 878e0ee81068..364e2440a7ee 100644 --- a/include/linux/skbuff.h +++ b/include/linux/skbuff.h @@ -575,7 +575,40 @@ static inline void skb_dst_set(struct sk_buff *skb, struct dst_entry *dst) skb->_skb_refdst = (unsigned long)dst; } -extern void skb_dst_set_noref(struct sk_buff *skb, struct dst_entry *dst); +extern void __skb_dst_set_noref(struct sk_buff *skb, struct dst_entry *dst, + bool force); + +/** + * skb_dst_set_noref - sets skb dst, hopefully, without taking reference + * @skb: buffer + * @dst: dst entry + * + * Sets skb dst, assuming a reference was not taken on dst. + * If dst entry is cached, we do not take reference and dst_release + * will be avoided by refdst_drop. If dst entry is not cached, we take + * reference, so that last dst_release can destroy the dst immediately. + */ +static inline void skb_dst_set_noref(struct sk_buff *skb, struct dst_entry *dst) +{ + __skb_dst_set_noref(skb, dst, false); +} + +/** + * skb_dst_set_noref_force - sets skb dst, without taking reference + * @skb: buffer + * @dst: dst entry + * + * Sets skb dst, assuming a reference was not taken on dst. + * No reference is taken and no dst_release will be called. While for + * cached dsts deferred reclaim is a basic feature, for entries that are + * not cached it is caller's job to guarantee that last dst_release for + * provided dst happens when nobody uses it, eg. after a RCU grace period. + */ +static inline void skb_dst_set_noref_force(struct sk_buff *skb, + struct dst_entry *dst) +{ + __skb_dst_set_noref(skb, dst, true); +} /** * skb_dst_is_noref - Test if skb dst isn't refcounted diff --git a/net/core/dst.c b/net/core/dst.c index 35fd12f1a69c..df9cc810ec8e 100644 --- a/net/core/dst.c +++ b/net/core/dst.c @@ -320,27 +320,28 @@ void __dst_destroy_metrics_generic(struct dst_entry *dst, unsigned long old) EXPORT_SYMBOL(__dst_destroy_metrics_generic); /** - * skb_dst_set_noref - sets skb dst, without a reference + * __skb_dst_set_noref - sets skb dst, without a reference * @skb: buffer * @dst: dst entry + * @force: if force is set, use noref version even for DST_NOCACHE entries * * Sets skb dst, assuming a reference was not taken on dst * skb_dst_drop() should not dst_release() this dst */ -void skb_dst_set_noref(struct sk_buff *skb, struct dst_entry *dst) +void __skb_dst_set_noref(struct sk_buff *skb, struct dst_entry *dst, bool force) { WARN_ON(!rcu_read_lock_held() && !rcu_read_lock_bh_held()); /* If dst not in cache, we must take a reference, because * dst_release() will destroy dst as soon as its refcount becomes zero */ - if (unlikely(dst->flags & DST_NOCACHE)) { + if (unlikely((dst->flags & DST_NOCACHE) && !force)) { dst_hold(dst); skb_dst_set(skb, dst); } else { skb->_skb_refdst = (unsigned long)dst | SKB_DST_NOREF; } } -EXPORT_SYMBOL(skb_dst_set_noref); +EXPORT_SYMBOL(__skb_dst_set_noref); /* Dirty hack. We did it in 2.2 (in __dst_free), * we have _very_ good reasons not to repeat -- cgit v1.2.3 From 8facd5fb73c6e960555e5913743dfbb6c3d984a5 Mon Sep 17 00:00:00 2001 From: Jacob Keller Date: Tue, 2 Apr 2013 13:55:40 -0700 Subject: net: fix smatch warnings inside datagram_poll Commit 7d4c04fc170087119727119074e72445f2bb192b ("net: add option to enable error queue packets waking select") has an issue due to operator precedence causing the bit-wise OR to bind to the sock_flags call instead of the result of the terniary conditional. This fixes the *_poll functions to work properly. The old code results in "mask |= POLLPRI" instead of what was intended, which is to only include POLLPRI when the socket option is enabled. Signed-off-by: Jacob Keller Signed-off-by: David S. Miller --- net/bluetooth/af_bluetooth.c | 2 +- net/core/datagram.c | 2 +- net/iucv/af_iucv.c | 2 +- net/nfc/llcp/sock.c | 2 +- net/unix/af_unix.c | 2 +- 5 files changed, 5 insertions(+), 5 deletions(-) (limited to 'net/core') diff --git a/net/bluetooth/af_bluetooth.c b/net/bluetooth/af_bluetooth.c index 409902f892ff..fea778e1dc27 100644 --- a/net/bluetooth/af_bluetooth.c +++ b/net/bluetooth/af_bluetooth.c @@ -423,7 +423,7 @@ unsigned int bt_sock_poll(struct file *file, struct socket *sock, if (sk->sk_err || !skb_queue_empty(&sk->sk_error_queue)) mask |= POLLERR | - sock_flag(sk, SOCK_SELECT_ERR_QUEUE) ? POLLPRI : 0; + (sock_flag(sk, SOCK_SELECT_ERR_QUEUE) ? POLLPRI : 0); if (sk->sk_shutdown & RCV_SHUTDOWN) mask |= POLLRDHUP | POLLIN | POLLRDNORM; diff --git a/net/core/datagram.c b/net/core/datagram.c index 36da5b663514..ebba65d7e0da 100644 --- a/net/core/datagram.c +++ b/net/core/datagram.c @@ -750,7 +750,7 @@ unsigned int datagram_poll(struct file *file, struct socket *sock, /* exceptional events? */ if (sk->sk_err || !skb_queue_empty(&sk->sk_error_queue)) mask |= POLLERR | - sock_flag(sk, SOCK_SELECT_ERR_QUEUE) ? POLLPRI : 0; + (sock_flag(sk, SOCK_SELECT_ERR_QUEUE) ? POLLPRI : 0); if (sk->sk_shutdown & RCV_SHUTDOWN) mask |= POLLRDHUP | POLLIN | POLLRDNORM; diff --git a/net/iucv/af_iucv.c b/net/iucv/af_iucv.c index f0550a38f295..7dfb9ed93698 100644 --- a/net/iucv/af_iucv.c +++ b/net/iucv/af_iucv.c @@ -1462,7 +1462,7 @@ unsigned int iucv_sock_poll(struct file *file, struct socket *sock, if (sk->sk_err || !skb_queue_empty(&sk->sk_error_queue)) mask |= POLLERR | - sock_flag(sk, SOCK_SELECT_ERR_QUEUE) ? POLLPRI : 0; + (sock_flag(sk, SOCK_SELECT_ERR_QUEUE) ? POLLPRI : 0); if (sk->sk_shutdown & RCV_SHUTDOWN) mask |= POLLRDHUP; diff --git a/net/nfc/llcp/sock.c b/net/nfc/llcp/sock.c index 2d55e8a45958..6b3254452b36 100644 --- a/net/nfc/llcp/sock.c +++ b/net/nfc/llcp/sock.c @@ -522,7 +522,7 @@ static unsigned int llcp_sock_poll(struct file *file, struct socket *sock, if (sk->sk_err || !skb_queue_empty(&sk->sk_error_queue)) mask |= POLLERR | - sock_flag(sk, SOCK_SELECT_ERR_QUEUE) ? POLLPRI : 0; + (sock_flag(sk, SOCK_SELECT_ERR_QUEUE) ? POLLPRI : 0); if (!skb_queue_empty(&sk->sk_receive_queue)) mask |= POLLIN | POLLRDNORM; diff --git a/net/unix/af_unix.c b/net/unix/af_unix.c index fb7a63ff71a5..2e4d90044a52 100644 --- a/net/unix/af_unix.c +++ b/net/unix/af_unix.c @@ -2197,7 +2197,7 @@ static unsigned int unix_dgram_poll(struct file *file, struct socket *sock, /* exceptional events? */ if (sk->sk_err || !skb_queue_empty(&sk->sk_error_queue)) mask |= POLLERR | - sock_flag(sk, SOCK_SELECT_ERR_QUEUE) ? POLLPRI : 0; + (sock_flag(sk, SOCK_SELECT_ERR_QUEUE) ? POLLPRI : 0); if (sk->sk_shutdown & RCV_SHUTDOWN) mask |= POLLRDHUP | POLLIN | POLLRDNORM; -- cgit v1.2.3 From 6b0ee8c036ecb3ac92e18e6ca0dca7bff88beaf0 Mon Sep 17 00:00:00 2001 From: "Eric W. Biederman" Date: Wed, 3 Apr 2013 17:28:16 +0000 Subject: scm: Stop passing struct cred Now that uids and gids are completely encapsulated in kuid_t and kgid_t we no longer need to pass struct cred which allowed us to test both the uid and the user namespace for equality. Passing struct cred potentially allows us to pass the entire group list as BSD does but I don't believe the cost of cache line misses justifies retaining code for a future potential application. Signed-off-by: "Eric W. Biederman" Signed-off-by: David S. Miller --- include/net/af_unix.h | 3 ++- include/net/scm.h | 16 ++++++---------- net/core/scm.c | 16 ---------------- net/unix/af_unix.c | 16 ++++++++-------- 4 files changed, 16 insertions(+), 35 deletions(-) (limited to 'net/core') diff --git a/include/net/af_unix.h b/include/net/af_unix.h index 0a996a3517ed..a8836e8445cc 100644 --- a/include/net/af_unix.h +++ b/include/net/af_unix.h @@ -29,7 +29,8 @@ struct unix_address { struct unix_skb_parms { struct pid *pid; /* Skb credentials */ - const struct cred *cred; + kuid_t uid; + kgid_t gid; struct scm_fp_list *fp; /* Passed files */ #ifdef CONFIG_SECURITY_NETWORK u32 secid; /* Security ID */ diff --git a/include/net/scm.h b/include/net/scm.h index 975cca01048b..5a4c6a9eb122 100644 --- a/include/net/scm.h +++ b/include/net/scm.h @@ -26,7 +26,6 @@ struct scm_fp_list { struct scm_cookie { struct pid *pid; /* Skb credentials */ - const struct cred *cred; struct scm_fp_list *fp; /* Passed files */ struct scm_creds creds; /* Skb credentials */ #ifdef CONFIG_SECURITY_NETWORK @@ -51,23 +50,18 @@ static __inline__ void unix_get_peersec_dgram(struct socket *sock, struct scm_co #endif /* CONFIG_SECURITY_NETWORK */ static __inline__ void scm_set_cred(struct scm_cookie *scm, - struct pid *pid, const struct cred *cred) + struct pid *pid, kuid_t uid, kgid_t gid) { scm->pid = get_pid(pid); - scm->cred = cred ? get_cred(cred) : NULL; scm->creds.pid = pid_vnr(pid); - scm->creds.uid = cred ? cred->euid : INVALID_UID; - scm->creds.gid = cred ? cred->egid : INVALID_GID; + scm->creds.uid = uid; + scm->creds.gid = gid; } static __inline__ void scm_destroy_cred(struct scm_cookie *scm) { put_pid(scm->pid); scm->pid = NULL; - - if (scm->cred) - put_cred(scm->cred); - scm->cred = NULL; } static __inline__ void scm_destroy(struct scm_cookie *scm) @@ -81,8 +75,10 @@ static __inline__ int scm_send(struct socket *sock, struct msghdr *msg, struct scm_cookie *scm, bool forcecreds) { memset(scm, 0, sizeof(*scm)); + scm->creds.uid = INVALID_UID; + scm->creds.gid = INVALID_GID; if (forcecreds) - scm_set_cred(scm, task_tgid(current), current_cred()); + scm_set_cred(scm, task_tgid(current), current_euid(), current_egid()); unix_get_peersec_dgram(sock, scm); if (msg->msg_controllen <= 0) return 0; diff --git a/net/core/scm.c b/net/core/scm.c index 2dc6cdaaae8a..83b2b383c865 100644 --- a/net/core/scm.c +++ b/net/core/scm.c @@ -187,22 +187,6 @@ int __scm_send(struct socket *sock, struct msghdr *msg, struct scm_cookie *p) p->creds.uid = uid; p->creds.gid = gid; - - if (!p->cred || - !uid_eq(p->cred->euid, uid) || - !gid_eq(p->cred->egid, gid)) { - struct cred *cred; - err = -ENOMEM; - cred = prepare_creds(); - if (!cred) - goto error; - - cred->uid = cred->euid = uid; - cred->gid = cred->egid = gid; - if (p->cred) - put_cred(p->cred); - p->cred = cred; - } break; } default: diff --git a/net/unix/af_unix.c b/net/unix/af_unix.c index 824eaf2c3afa..5ca1631de7ef 100644 --- a/net/unix/af_unix.c +++ b/net/unix/af_unix.c @@ -1340,7 +1340,6 @@ static void unix_destruct_scm(struct sk_buff *skb) struct scm_cookie scm; memset(&scm, 0, sizeof(scm)); scm.pid = UNIXCB(skb).pid; - scm.cred = UNIXCB(skb).cred; if (UNIXCB(skb).fp) unix_detach_fds(&scm, skb); @@ -1391,8 +1390,8 @@ static int unix_scm_to_skb(struct scm_cookie *scm, struct sk_buff *skb, bool sen int err = 0; UNIXCB(skb).pid = get_pid(scm->pid); - if (scm->cred) - UNIXCB(skb).cred = get_cred(scm->cred); + UNIXCB(skb).uid = scm->creds.uid; + UNIXCB(skb).gid = scm->creds.gid; UNIXCB(skb).fp = NULL; if (scm->fp && send_fds) err = unix_attach_fds(scm, skb); @@ -1409,13 +1408,13 @@ static int unix_scm_to_skb(struct scm_cookie *scm, struct sk_buff *skb, bool sen static void maybe_add_creds(struct sk_buff *skb, const struct socket *sock, const struct sock *other) { - if (UNIXCB(skb).cred) + if (UNIXCB(skb).pid) return; if (test_bit(SOCK_PASSCRED, &sock->flags) || !other->sk_socket || test_bit(SOCK_PASSCRED, &other->sk_socket->flags)) { UNIXCB(skb).pid = get_pid(task_tgid(current)); - UNIXCB(skb).cred = get_current_cred(); + current_euid_egid(&UNIXCB(skb).uid, &UNIXCB(skb).gid); } } @@ -1819,7 +1818,7 @@ static int unix_dgram_recvmsg(struct kiocb *iocb, struct socket *sock, siocb->scm = &tmp_scm; memset(&tmp_scm, 0, sizeof(tmp_scm)); } - scm_set_cred(siocb->scm, UNIXCB(skb).pid, UNIXCB(skb).cred); + scm_set_cred(siocb->scm, UNIXCB(skb).pid, UNIXCB(skb).uid, UNIXCB(skb).gid); unix_set_secdata(siocb->scm, skb); if (!(flags & MSG_PEEK)) { @@ -1991,11 +1990,12 @@ again: if (check_creds) { /* Never glue messages from different writers */ if ((UNIXCB(skb).pid != siocb->scm->pid) || - (UNIXCB(skb).cred != siocb->scm->cred)) + !uid_eq(UNIXCB(skb).uid, siocb->scm->creds.uid) || + !gid_eq(UNIXCB(skb).gid, siocb->scm->creds.gid)) break; } else if (test_bit(SOCK_PASSCRED, &sock->flags)) { /* Copy credentials */ - scm_set_cred(siocb->scm, UNIXCB(skb).pid, UNIXCB(skb).cred); + scm_set_cred(siocb->scm, UNIXCB(skb).pid, UNIXCB(skb).uid, UNIXCB(skb).gid); check_creds = 1; } -- cgit v1.2.3 From 211d2f97e936d206a5e45f6f64ecbc2c51a2b46c Mon Sep 17 00:00:00 2001 From: Zefan Li Date: Mon, 8 Apr 2013 20:03:35 +0000 Subject: cls_cgroup: remove task_struct parameter from sock_update_classid() The callers always pass current to sock_update_classid(). Signed-off-by: Li Zefan Acked-by: Neil Horman Signed-off-by: David S. Miller --- include/net/cls_cgroup.h | 4 ++-- net/core/scm.c | 2 +- net/core/sock.c | 6 +++--- 3 files changed, 6 insertions(+), 6 deletions(-) (limited to 'net/core') diff --git a/include/net/cls_cgroup.h b/include/net/cls_cgroup.h index 2581638f4a3d..0fee0617fb7d 100644 --- a/include/net/cls_cgroup.h +++ b/include/net/cls_cgroup.h @@ -24,7 +24,7 @@ struct cgroup_cls_state u32 classid; }; -extern void sock_update_classid(struct sock *sk, struct task_struct *task); +extern void sock_update_classid(struct sock *sk); #if IS_BUILTIN(CONFIG_NET_CLS_CGROUP) static inline u32 task_cls_classid(struct task_struct *p) @@ -61,7 +61,7 @@ static inline u32 task_cls_classid(struct task_struct *p) } #endif #else /* !CGROUP_NET_CLS_CGROUP */ -static inline void sock_update_classid(struct sock *sk, struct task_struct *task) +static inline void sock_update_classid(struct sock *sk) { } diff --git a/net/core/scm.c b/net/core/scm.c index 83b2b383c865..c77b7c3d2f9d 100644 --- a/net/core/scm.c +++ b/net/core/scm.c @@ -291,7 +291,7 @@ void scm_detach_fds(struct msghdr *msg, struct scm_cookie *scm) sock = sock_from_file(fp[i], &err); if (sock) { sock_update_netprioidx(sock->sk, current); - sock_update_classid(sock->sk, current); + sock_update_classid(sock->sk); } fd_install(new_fd, get_file(fp[i])); } diff --git a/net/core/sock.c b/net/core/sock.c index 2ff5f3619a8d..0e1d2fe827ec 100644 --- a/net/core/sock.c +++ b/net/core/sock.c @@ -1307,11 +1307,11 @@ static void sk_prot_free(struct proto *prot, struct sock *sk) } #if IS_ENABLED(CONFIG_NET_CLS_CGROUP) -void sock_update_classid(struct sock *sk, struct task_struct *task) +void sock_update_classid(struct sock *sk) { u32 classid; - classid = task_cls_classid(task); + classid = task_cls_classid(current); if (classid != sk->sk_classid) sk->sk_classid = classid; } @@ -1353,7 +1353,7 @@ struct sock *sk_alloc(struct net *net, int family, gfp_t priority, sock_net_set(sk, get_net(net)); atomic_set(&sk->sk_wmem_alloc, 1); - sock_update_classid(sk, current); + sock_update_classid(sk); sock_update_netprioidx(sk, current); } -- cgit v1.2.3 From 6ffd46410248ee39b46c2cdafb79791c2e618932 Mon Sep 17 00:00:00 2001 From: Zefan Li Date: Mon, 8 Apr 2013 20:03:47 +0000 Subject: netprio_cgroup: remove task_struct parameter from sock_update_netprio() The callers always pass current to sock_update_netprio(). Signed-off-by: Li Zefan Acked-by: Neil Horman Signed-off-by: David S. Miller --- include/net/netprio_cgroup.h | 4 ++-- net/core/scm.c | 2 +- net/core/sock.c | 6 +++--- 3 files changed, 6 insertions(+), 6 deletions(-) (limited to 'net/core') diff --git a/include/net/netprio_cgroup.h b/include/net/netprio_cgroup.h index 1d04b6f0fbd4..50ab8c26ab59 100644 --- a/include/net/netprio_cgroup.h +++ b/include/net/netprio_cgroup.h @@ -29,7 +29,7 @@ struct cgroup_netprio_state { struct cgroup_subsys_state css; }; -extern void sock_update_netprioidx(struct sock *sk, struct task_struct *task); +extern void sock_update_netprioidx(struct sock *sk); #if IS_BUILTIN(CONFIG_NETPRIO_CGROUP) @@ -68,7 +68,7 @@ static inline u32 task_netprioidx(struct task_struct *p) return 0; } -#define sock_update_netprioidx(sk, task) +#define sock_update_netprioidx(sk) #endif /* CONFIG_NETPRIO_CGROUP */ diff --git a/net/core/scm.c b/net/core/scm.c index c77b7c3d2f9d..03795d0147f2 100644 --- a/net/core/scm.c +++ b/net/core/scm.c @@ -290,7 +290,7 @@ void scm_detach_fds(struct msghdr *msg, struct scm_cookie *scm) /* Bump the usage count and install the file. */ sock = sock_from_file(fp[i], &err); if (sock) { - sock_update_netprioidx(sock->sk, current); + sock_update_netprioidx(sock->sk); sock_update_classid(sock->sk); } fd_install(new_fd, get_file(fp[i])); diff --git a/net/core/sock.c b/net/core/sock.c index 0e1d2fe827ec..d4f4cea726e7 100644 --- a/net/core/sock.c +++ b/net/core/sock.c @@ -1319,12 +1319,12 @@ EXPORT_SYMBOL(sock_update_classid); #endif #if IS_ENABLED(CONFIG_NETPRIO_CGROUP) -void sock_update_netprioidx(struct sock *sk, struct task_struct *task) +void sock_update_netprioidx(struct sock *sk) { if (in_interrupt()) return; - sk->sk_cgrp_prioidx = task_netprioidx(task); + sk->sk_cgrp_prioidx = task_netprioidx(current); } EXPORT_SYMBOL_GPL(sock_update_netprioidx); #endif @@ -1354,7 +1354,7 @@ struct sock *sk_alloc(struct net *net, int family, gfp_t priority, atomic_set(&sk->sk_wmem_alloc, 1); sock_update_classid(sk); - sock_update_netprioidx(sk, current); + sock_update_netprioidx(sk); } return sk; -- cgit v1.2.3 From 763eff57de893a27f8f18855f17033c92598c423 Mon Sep 17 00:00:00 2001 From: stephen hemminger Date: Wed, 10 Apr 2013 10:56:05 +0000 Subject: netprio_cgroup: make local table static Minor sparse warning Signed-off-by: Stephen Hemminger Signed-off-by: David S. Miller --- net/core/netprio_cgroup.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) (limited to 'net/core') diff --git a/net/core/netprio_cgroup.c b/net/core/netprio_cgroup.c index 0777d0aa18c3..7aa885001aba 100644 --- a/net/core/netprio_cgroup.c +++ b/net/core/netprio_cgroup.c @@ -247,7 +247,7 @@ static struct cftype ss_files[] = { { } /* terminate */ }; -struct cgroup_subsys net_prio_subsys = { +static struct cgroup_subsys net_prio_subsys = { .name = "net_prio", .css_alloc = cgrp_css_alloc, .css_online = cgrp_css_online, -- cgit v1.2.3 From 6c6779856a294649dbb468ef46e893e80b0d72ad Mon Sep 17 00:00:00 2001 From: "David S. Miller" Date: Fri, 12 Apr 2013 03:06:44 -0400 Subject: Revert "netprio_cgroup: make local table static" This reverts commit 763eff57de893a27f8f18855f17033c92598c423. It causes build regressions, as per Stephen Rothwell: ==================== After merging the final tree, today's linux-next build (powerpc allyesconfig) failed like this: net/core/netprio_cgroup.c:250:29: error: static declaration of 'net_prio_subsys' follows non-static declaration include/linux/cgroup_subsys.h:71:1: note: previous declaration of 'net_prio_subsys' was here ==================== Reported-by: Stephen Rothwell Signed-off-by: David S. Miller --- net/core/netprio_cgroup.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) (limited to 'net/core') diff --git a/net/core/netprio_cgroup.c b/net/core/netprio_cgroup.c index 7aa885001aba..0777d0aa18c3 100644 --- a/net/core/netprio_cgroup.c +++ b/net/core/netprio_cgroup.c @@ -247,7 +247,7 @@ static struct cftype ss_files[] = { { } /* terminate */ }; -static struct cgroup_subsys net_prio_subsys = { +struct cgroup_subsys net_prio_subsys = { .name = "net_prio", .css_alloc = cgrp_css_alloc, .css_online = cgrp_css_online, -- cgit v1.2.3 From 4cd729b04285b7330edaf5a7080aa795d6d15ff3 Mon Sep 17 00:00:00 2001 From: Vlad Yasevich Date: Mon, 15 Apr 2013 09:54:25 +0000 Subject: net: add dev_uc_sync_multiple() and dev_mc_sync_multiple() api The current implementation of dev_uc_sync/unsync() assumes that there is a strict 1-to-1 relationship between the source and destination of the sync. In other words, once an address has been synced to a destination device, it will not be synced to any other device through the sync API. However, there are some virtual devices that aggreate a number of lower devices and need to sync addresses to all of them. The current API falls short there. This patch introduces a new dev_uc_sync_multiple() api that can be called in the above circumstances and allows sync to work for every invocation. CC: Jiri Pirko Signed-off-by: Vlad Yasevich Signed-off-by: David S. Miller --- include/linux/netdevice.h | 3 + net/core/dev_addr_lists.c | 210 ++++++++++++++++++++++++++++++++++++---------- 2 files changed, 171 insertions(+), 42 deletions(-) (limited to 'net/core') diff --git a/include/linux/netdevice.h b/include/linux/netdevice.h index 53d3939358a7..623b57b52195 100644 --- a/include/linux/netdevice.h +++ b/include/linux/netdevice.h @@ -209,6 +209,7 @@ struct netdev_hw_addr { #define NETDEV_HW_ADDR_T_UNICAST 4 #define NETDEV_HW_ADDR_T_MULTICAST 5 bool global_use; + int sync_cnt; int refcount; int synced; struct rcu_head rcu_head; @@ -2627,6 +2628,7 @@ extern int dev_uc_add(struct net_device *dev, const unsigned char *addr); extern int dev_uc_add_excl(struct net_device *dev, const unsigned char *addr); extern int dev_uc_del(struct net_device *dev, const unsigned char *addr); extern int dev_uc_sync(struct net_device *to, struct net_device *from); +extern int dev_uc_sync_multiple(struct net_device *to, struct net_device *from); extern void dev_uc_unsync(struct net_device *to, struct net_device *from); extern void dev_uc_flush(struct net_device *dev); extern void dev_uc_init(struct net_device *dev); @@ -2638,6 +2640,7 @@ extern int dev_mc_add_excl(struct net_device *dev, const unsigned char *addr); extern int dev_mc_del(struct net_device *dev, const unsigned char *addr); extern int dev_mc_del_global(struct net_device *dev, const unsigned char *addr); extern int dev_mc_sync(struct net_device *to, struct net_device *from); +extern int dev_mc_sync_multiple(struct net_device *to, struct net_device *from); extern void dev_mc_unsync(struct net_device *to, struct net_device *from); extern void dev_mc_flush(struct net_device *dev); extern void dev_mc_init(struct net_device *dev); diff --git a/net/core/dev_addr_lists.c b/net/core/dev_addr_lists.c index abdc9e6ef33e..c013f38482a1 100644 --- a/net/core/dev_addr_lists.c +++ b/net/core/dev_addr_lists.c @@ -22,7 +22,8 @@ static int __hw_addr_create_ex(struct netdev_hw_addr_list *list, const unsigned char *addr, int addr_len, - unsigned char addr_type, bool global) + unsigned char addr_type, bool global, + bool sync) { struct netdev_hw_addr *ha; int alloc_size; @@ -37,7 +38,7 @@ static int __hw_addr_create_ex(struct netdev_hw_addr_list *list, ha->type = addr_type; ha->refcount = 1; ha->global_use = global; - ha->synced = 0; + ha->synced = sync; list_add_tail_rcu(&ha->list, &list->list); list->count++; @@ -46,7 +47,7 @@ static int __hw_addr_create_ex(struct netdev_hw_addr_list *list, static int __hw_addr_add_ex(struct netdev_hw_addr_list *list, const unsigned char *addr, int addr_len, - unsigned char addr_type, bool global) + unsigned char addr_type, bool global, bool sync) { struct netdev_hw_addr *ha; @@ -63,43 +64,62 @@ static int __hw_addr_add_ex(struct netdev_hw_addr_list *list, else ha->global_use = true; } + if (sync) { + if (ha->synced) + return 0; + else + ha->synced = true; + } ha->refcount++; return 0; } } - return __hw_addr_create_ex(list, addr, addr_len, addr_type, global); + return __hw_addr_create_ex(list, addr, addr_len, addr_type, global, + sync); } static int __hw_addr_add(struct netdev_hw_addr_list *list, const unsigned char *addr, int addr_len, unsigned char addr_type) { - return __hw_addr_add_ex(list, addr, addr_len, addr_type, false); + return __hw_addr_add_ex(list, addr, addr_len, addr_type, false, false); +} + +static int __hw_addr_del_entry(struct netdev_hw_addr_list *list, + struct netdev_hw_addr *ha, bool global, + bool sync) +{ + if (global && !ha->global_use) + return -ENOENT; + + if (sync && !ha->synced) + return -ENOENT; + + if (global) + ha->global_use = false; + + if (sync) + ha->synced = false; + + if (--ha->refcount) + return 0; + list_del_rcu(&ha->list); + kfree_rcu(ha, rcu_head); + list->count--; + return 0; } static int __hw_addr_del_ex(struct netdev_hw_addr_list *list, const unsigned char *addr, int addr_len, - unsigned char addr_type, bool global) + unsigned char addr_type, bool global, bool sync) { struct netdev_hw_addr *ha; list_for_each_entry(ha, &list->list, list) { if (!memcmp(ha->addr, addr, addr_len) && - (ha->type == addr_type || !addr_type)) { - if (global) { - if (!ha->global_use) - break; - else - ha->global_use = false; - } - if (--ha->refcount) - return 0; - list_del_rcu(&ha->list); - kfree_rcu(ha, rcu_head); - list->count--; - return 0; - } + (ha->type == addr_type || !addr_type)) + return __hw_addr_del_entry(list, ha, global, sync); } return -ENOENT; } @@ -108,7 +128,57 @@ static int __hw_addr_del(struct netdev_hw_addr_list *list, const unsigned char *addr, int addr_len, unsigned char addr_type) { - return __hw_addr_del_ex(list, addr, addr_len, addr_type, false); + return __hw_addr_del_ex(list, addr, addr_len, addr_type, false, false); +} + +static int __hw_addr_sync_one(struct netdev_hw_addr_list *to_list, + struct netdev_hw_addr *ha, + int addr_len) +{ + int err; + + err = __hw_addr_add_ex(to_list, ha->addr, addr_len, ha->type, + false, true); + if (err) + return err; + ha->sync_cnt++; + ha->refcount++; + + return 0; +} + +static void __hw_addr_unsync_one(struct netdev_hw_addr_list *to_list, + struct netdev_hw_addr_list *from_list, + struct netdev_hw_addr *ha, + int addr_len) +{ + int err; + + err = __hw_addr_del_ex(to_list, ha->addr, addr_len, ha->type, + false, true); + if (err) + return; + ha->sync_cnt--; + __hw_addr_del_entry(from_list, ha, false, true); +} + +static int __hw_addr_sync_multiple(struct netdev_hw_addr_list *to_list, + struct netdev_hw_addr_list *from_list, + int addr_len) +{ + int err = 0; + struct netdev_hw_addr *ha, *tmp; + + list_for_each_entry_safe(ha, tmp, &from_list->list, list) { + if (ha->sync_cnt == ha->refcount) { + __hw_addr_unsync_one(to_list, from_list, ha, addr_len); + } else { + err = __hw_addr_sync_one(to_list, ha, addr_len); + if (err) + break; + } + } + return err; } int __hw_addr_add_multiple(struct netdev_hw_addr_list *to_list, @@ -152,6 +222,11 @@ void __hw_addr_del_multiple(struct netdev_hw_addr_list *to_list, } EXPORT_SYMBOL(__hw_addr_del_multiple); +/* This function only works where there is a strict 1-1 relationship + * between source and destionation of they synch. If you ever need to + * sync addresses to more then 1 destination, you need to use + * __hw_addr_sync_multiple(). + */ int __hw_addr_sync(struct netdev_hw_addr_list *to_list, struct netdev_hw_addr_list *from_list, int addr_len) @@ -160,17 +235,12 @@ int __hw_addr_sync(struct netdev_hw_addr_list *to_list, struct netdev_hw_addr *ha, *tmp; list_for_each_entry_safe(ha, tmp, &from_list->list, list) { - if (!ha->synced) { - err = __hw_addr_add(to_list, ha->addr, - addr_len, ha->type); + if (!ha->sync_cnt) { + err = __hw_addr_sync_one(to_list, ha, addr_len); if (err) break; - ha->synced++; - ha->refcount++; - } else if (ha->refcount == 1) { - __hw_addr_del(to_list, ha->addr, addr_len, ha->type); - __hw_addr_del(from_list, ha->addr, addr_len, ha->type); - } + } else if (ha->refcount == 1) + __hw_addr_unsync_one(to_list, from_list, ha, addr_len); } return err; } @@ -183,13 +253,8 @@ void __hw_addr_unsync(struct netdev_hw_addr_list *to_list, struct netdev_hw_addr *ha, *tmp; list_for_each_entry_safe(ha, tmp, &from_list->list, list) { - if (ha->synced) { - __hw_addr_del(to_list, ha->addr, - addr_len, ha->type); - ha->synced--; - __hw_addr_del(from_list, ha->addr, - addr_len, ha->type); - } + if (ha->sync_cnt) + __hw_addr_unsync_one(to_list, from_list, ha, addr_len); } } EXPORT_SYMBOL(__hw_addr_unsync); @@ -406,7 +471,7 @@ int dev_uc_add_excl(struct net_device *dev, const unsigned char *addr) } } err = __hw_addr_create_ex(&dev->uc, addr, dev->addr_len, - NETDEV_HW_ADDR_T_UNICAST, true); + NETDEV_HW_ADDR_T_UNICAST, true, false); if (!err) __dev_set_rx_mode(dev); out: @@ -469,7 +534,8 @@ EXPORT_SYMBOL(dev_uc_del); * locked by netif_addr_lock_bh. * * This function is intended to be called from the dev->set_rx_mode - * function of layered software devices. + * function of layered software devices. This function assumes that + * addresses will only ever be synced to the @to devices and no other. */ int dev_uc_sync(struct net_device *to, struct net_device *from) { @@ -487,6 +553,36 @@ int dev_uc_sync(struct net_device *to, struct net_device *from) } EXPORT_SYMBOL(dev_uc_sync); +/** + * dev_uc_sync_multiple - Synchronize device's unicast list to another + * device, but allow for multiple calls to sync to multiple devices. + * @to: destination device + * @from: source device + * + * Add newly added addresses to the destination device and release + * addresses that have been deleted from the source. The source device + * must be locked by netif_addr_lock_bh. + * + * This function is intended to be called from the dev->set_rx_mode + * function of layered software devices. It allows for a single source + * device to be synced to multiple destination devices. + */ +int dev_uc_sync_multiple(struct net_device *to, struct net_device *from) +{ + int err = 0; + + if (to->addr_len != from->addr_len) + return -EINVAL; + + netif_addr_lock_nested(to); + err = __hw_addr_sync_multiple(&to->uc, &from->uc, to->addr_len); + if (!err) + __dev_set_rx_mode(to); + netif_addr_unlock(to); + return err; +} +EXPORT_SYMBOL(dev_uc_sync_multiple); + /** * dev_uc_unsync - Remove synchronized addresses from the destination device * @to: destination device @@ -559,7 +655,7 @@ int dev_mc_add_excl(struct net_device *dev, const unsigned char *addr) } } err = __hw_addr_create_ex(&dev->mc, addr, dev->addr_len, - NETDEV_HW_ADDR_T_MULTICAST, true); + NETDEV_HW_ADDR_T_MULTICAST, true, false); if (!err) __dev_set_rx_mode(dev); out: @@ -575,7 +671,7 @@ static int __dev_mc_add(struct net_device *dev, const unsigned char *addr, netif_addr_lock_bh(dev); err = __hw_addr_add_ex(&dev->mc, addr, dev->addr_len, - NETDEV_HW_ADDR_T_MULTICAST, global); + NETDEV_HW_ADDR_T_MULTICAST, global, false); if (!err) __dev_set_rx_mode(dev); netif_addr_unlock_bh(dev); @@ -615,7 +711,7 @@ static int __dev_mc_del(struct net_device *dev, const unsigned char *addr, netif_addr_lock_bh(dev); err = __hw_addr_del_ex(&dev->mc, addr, dev->addr_len, - NETDEV_HW_ADDR_T_MULTICAST, global); + NETDEV_HW_ADDR_T_MULTICAST, global, false); if (!err) __dev_set_rx_mode(dev); netif_addr_unlock_bh(dev); @@ -678,6 +774,36 @@ int dev_mc_sync(struct net_device *to, struct net_device *from) } EXPORT_SYMBOL(dev_mc_sync); +/** + * dev_mc_sync_multiple - Synchronize device's unicast list to another + * device, but allow for multiple calls to sync to multiple devices. + * @to: destination device + * @from: source device + * + * Add newly added addresses to the destination device and release + * addresses that have no users left. The source device must be + * locked by netif_addr_lock_bh. + * + * This function is intended to be called from the ndo_set_rx_mode + * function of layered software devices. It allows for a single + * source device to be synced to multiple destination devices. + */ +int dev_mc_sync_multiple(struct net_device *to, struct net_device *from) +{ + int err = 0; + + if (to->addr_len != from->addr_len) + return -EINVAL; + + netif_addr_lock_nested(to); + err = __hw_addr_sync(&to->mc, &from->mc, to->addr_len); + if (!err) + __dev_set_rx_mode(to); + netif_addr_unlock(to); + return err; +} +EXPORT_SYMBOL(dev_mc_sync_multiple); + /** * dev_mc_unsync - Remove synchronized addresses from the destination device * @to: destination device -- cgit v1.2.3 From d5d427cdaeae33752fbd5c674cc52a8f8e65a550 Mon Sep 17 00:00:00 2001 From: Joe Perches Date: Mon, 15 Apr 2013 15:17:19 +0000 Subject: neighbour: Convert NEIGH_PRINTK to neigh_dbg Update debugging messages to a more current style. Emit these debugging messages at KERN_DEBUG instead of KERN_DEFAULT. Add and use neigh_dbg(level, fmt, ...) macro Add dynamic_debug capability via pr_debug Convert embedded function names to "%s: ", __func__ Signed-off-by: Joe Perches Signed-off-by: David S. Miller --- net/core/neighbour.c | 49 ++++++++++++++++++++----------------------------- 1 file changed, 20 insertions(+), 29 deletions(-) (limited to 'net/core') diff --git a/net/core/neighbour.c b/net/core/neighbour.c index c72a646d9f44..89a3a07d85fb 100644 --- a/net/core/neighbour.c +++ b/net/core/neighbour.c @@ -39,21 +39,13 @@ #include #include +#define DEBUG #define NEIGH_DEBUG 1 - -#define NEIGH_PRINTK(x...) printk(x) -#define NEIGH_NOPRINTK(x...) do { ; } while(0) -#define NEIGH_PRINTK1 NEIGH_NOPRINTK -#define NEIGH_PRINTK2 NEIGH_NOPRINTK - -#if NEIGH_DEBUG >= 1 -#undef NEIGH_PRINTK1 -#define NEIGH_PRINTK1 NEIGH_PRINTK -#endif -#if NEIGH_DEBUG >= 2 -#undef NEIGH_PRINTK2 -#define NEIGH_PRINTK2 NEIGH_PRINTK -#endif +#define neigh_dbg(level, fmt, ...) \ +do { \ + if (level <= NEIGH_DEBUG) \ + pr_debug(fmt, ##__VA_ARGS__); \ +} while (0) #define PNEIGH_HASHMASK 0xF @@ -246,7 +238,7 @@ static void neigh_flush_dev(struct neigh_table *tbl, struct net_device *dev) n->nud_state = NUD_NOARP; else n->nud_state = NUD_NONE; - NEIGH_PRINTK2("neigh %p is stray.\n", n); + neigh_dbg(2, "neigh %p is stray\n", n); } write_unlock(&n->lock); neigh_cleanup_and_release(n); @@ -542,7 +534,7 @@ struct neighbour *__neigh_create(struct neigh_table *tbl, const void *pkey, lockdep_is_held(&tbl->lock))); rcu_assign_pointer(nht->hash_buckets[hash_val], n); write_unlock_bh(&tbl->lock); - NEIGH_PRINTK2("neigh %p is created.\n", n); + neigh_dbg(2, "neigh %p is created\n", n); rc = n; out: return rc; @@ -725,7 +717,7 @@ void neigh_destroy(struct neighbour *neigh) dev_put(dev); neigh_parms_put(neigh->parms); - NEIGH_PRINTK2("neigh %p is destroyed.\n", neigh); + neigh_dbg(2, "neigh %p is destroyed\n", neigh); atomic_dec(&neigh->tbl->entries); kfree_rcu(neigh, rcu); @@ -739,7 +731,7 @@ EXPORT_SYMBOL(neigh_destroy); */ static void neigh_suspect(struct neighbour *neigh) { - NEIGH_PRINTK2("neigh %p is suspected.\n", neigh); + neigh_dbg(2, "neigh %p is suspected\n", neigh); neigh->output = neigh->ops->output; } @@ -751,7 +743,7 @@ static void neigh_suspect(struct neighbour *neigh) */ static void neigh_connect(struct neighbour *neigh) { - NEIGH_PRINTK2("neigh %p is connected.\n", neigh); + neigh_dbg(2, "neigh %p is connected\n", neigh); neigh->output = neigh->ops->connected_output; } @@ -852,7 +844,7 @@ static void neigh_invalidate(struct neighbour *neigh) struct sk_buff *skb; NEIGH_CACHE_STAT_INC(neigh->tbl, res_failed); - NEIGH_PRINTK2("neigh %p is failed.\n", neigh); + neigh_dbg(2, "neigh %p is failed\n", neigh); neigh->updated = jiffies; /* It is very thin place. report_unreachable is very complicated @@ -904,17 +896,17 @@ static void neigh_timer_handler(unsigned long arg) if (state & NUD_REACHABLE) { if (time_before_eq(now, neigh->confirmed + neigh->parms->reachable_time)) { - NEIGH_PRINTK2("neigh %p is still alive.\n", neigh); + neigh_dbg(2, "neigh %p is still alive\n", neigh); next = neigh->confirmed + neigh->parms->reachable_time; } else if (time_before_eq(now, neigh->used + neigh->parms->delay_probe_time)) { - NEIGH_PRINTK2("neigh %p is delayed.\n", neigh); + neigh_dbg(2, "neigh %p is delayed\n", neigh); neigh->nud_state = NUD_DELAY; neigh->updated = jiffies; neigh_suspect(neigh); next = now + neigh->parms->delay_probe_time; } else { - NEIGH_PRINTK2("neigh %p is suspected.\n", neigh); + neigh_dbg(2, "neigh %p is suspected\n", neigh); neigh->nud_state = NUD_STALE; neigh->updated = jiffies; neigh_suspect(neigh); @@ -923,14 +915,14 @@ static void neigh_timer_handler(unsigned long arg) } else if (state & NUD_DELAY) { if (time_before_eq(now, neigh->confirmed + neigh->parms->delay_probe_time)) { - NEIGH_PRINTK2("neigh %p is now reachable.\n", neigh); + neigh_dbg(2, "neigh %p is now reachable\n", neigh); neigh->nud_state = NUD_REACHABLE; neigh->updated = jiffies; neigh_connect(neigh); notify = 1; next = neigh->confirmed + neigh->parms->reachable_time; } else { - NEIGH_PRINTK2("neigh %p is probed.\n", neigh); + neigh_dbg(2, "neigh %p is probed\n", neigh); neigh->nud_state = NUD_PROBE; neigh->updated = jiffies; atomic_set(&neigh->probes, 0); @@ -997,7 +989,7 @@ int __neigh_event_send(struct neighbour *neigh, struct sk_buff *skb) return 1; } } else if (neigh->nud_state & NUD_STALE) { - NEIGH_PRINTK2("neigh %p is delayed.\n", neigh); + neigh_dbg(2, "neigh %p is delayed\n", neigh); neigh->nud_state = NUD_DELAY; neigh->updated = jiffies; neigh_add_timer(neigh, @@ -1320,8 +1312,7 @@ int neigh_resolve_output(struct neighbour *neigh, struct sk_buff *skb) out: return rc; discard: - NEIGH_PRINTK1("neigh_resolve_output: dst=%p neigh=%p\n", - dst, neigh); + neigh_dbg(1, "%s: dst=%p neigh=%p\n", __func__, dst, neigh); out_kfree_skb: rc = -EINVAL; kfree_skb(skb); @@ -1498,7 +1489,7 @@ void neigh_parms_release(struct neigh_table *tbl, struct neigh_parms *parms) } } write_unlock_bh(&tbl->lock); - NEIGH_PRINTK1("neigh_parms_release: not found\n"); + neigh_dbg(1, "%s: not found\n", __func__); } EXPORT_SYMBOL(neigh_parms_release); -- cgit v1.2.3 From f646968f8f7c624587de729115d802372b9063dd Mon Sep 17 00:00:00 2001 From: Patrick McHardy Date: Fri, 19 Apr 2013 02:04:27 +0000 Subject: net: vlan: rename NETIF_F_HW_VLAN_* feature flags to NETIF_F_HW_VLAN_CTAG_* Rename the hardware VLAN acceleration features to include "CTAG" to indicate that they only support CTAGs. Follow up patches will introduce 802.1ad server provider tagging (STAGs) and require the distinction for hardware not supporting acclerating both. Signed-off-by: Patrick McHardy Signed-off-by: David S. Miller --- drivers/infiniband/hw/nes/nes_nic.c | 14 ++++++------ drivers/net/bonding/bond_main.c | 6 +++--- drivers/net/ethernet/3com/typhoon.c | 4 ++-- drivers/net/ethernet/adaptec/starfire.c | 2 +- drivers/net/ethernet/alteon/acenic.c | 2 +- drivers/net/ethernet/amd/amd8111e.c | 4 ++-- drivers/net/ethernet/atheros/atl1c/atl1c_main.c | 22 +++++++++---------- drivers/net/ethernet/atheros/atl1e/atl1e_main.c | 14 ++++++------ drivers/net/ethernet/atheros/atlx/atl1.c | 4 ++-- drivers/net/ethernet/atheros/atlx/atl2.c | 16 +++++++------- drivers/net/ethernet/atheros/atlx/atlx.c | 10 ++++----- drivers/net/ethernet/broadcom/bnx2.c | 10 ++++----- drivers/net/ethernet/broadcom/bnx2x/bnx2x_main.c | 4 ++-- drivers/net/ethernet/broadcom/tg3.c | 2 +- drivers/net/ethernet/brocade/bna/bnad.c | 4 ++-- drivers/net/ethernet/chelsio/cxgb/cxgb2.c | 13 +++++------ drivers/net/ethernet/chelsio/cxgb/sge.c | 2 +- drivers/net/ethernet/chelsio/cxgb3/cxgb3_main.c | 20 +++++++++-------- drivers/net/ethernet/chelsio/cxgb4/cxgb4_main.c | 10 ++++----- .../net/ethernet/chelsio/cxgb4vf/cxgb4vf_main.c | 15 +++++++------ drivers/net/ethernet/cisco/enic/enic_main.c | 4 ++-- drivers/net/ethernet/emulex/benet/be_main.c | 4 ++-- drivers/net/ethernet/freescale/gianfar.c | 15 +++++++------ drivers/net/ethernet/freescale/gianfar_ethtool.c | 2 +- drivers/net/ethernet/ibm/ehea/ehea_main.c | 8 +++---- drivers/net/ethernet/intel/e1000/e1000_main.c | 16 +++++++------- drivers/net/ethernet/intel/e1000e/netdev.c | 10 ++++----- drivers/net/ethernet/intel/igb/igb_main.c | 18 ++++++++-------- drivers/net/ethernet/intel/igbvf/netdev.c | 6 +++--- drivers/net/ethernet/intel/ixgb/ixgb_main.c | 14 ++++++------ drivers/net/ethernet/intel/ixgbe/ixgbe_main.c | 12 +++++------ drivers/net/ethernet/intel/ixgbe/ixgbe_sriov.c | 2 +- drivers/net/ethernet/intel/ixgbevf/ixgbevf_main.c | 6 +++--- drivers/net/ethernet/jme.c | 4 ++-- drivers/net/ethernet/marvell/sky2.c | 9 ++++---- drivers/net/ethernet/mellanox/mlx4/en_netdev.c | 4 ++-- drivers/net/ethernet/myricom/myri10ge/myri10ge.c | 7 +++--- drivers/net/ethernet/natsemi/ns83820.c | 2 +- drivers/net/ethernet/neterion/s2io.c | 2 +- drivers/net/ethernet/neterion/vxge/vxge-main.c | 4 ++-- drivers/net/ethernet/nvidia/forcedeth.c | 20 +++++++++-------- .../net/ethernet/qlogic/netxen/netxen_nic_main.c | 2 +- drivers/net/ethernet/qlogic/qlcnic/qlcnic_main.c | 4 ++-- drivers/net/ethernet/qlogic/qlge/qlge_main.c | 16 +++++++------- drivers/net/ethernet/realtek/8139cp.c | 6 +++--- drivers/net/ethernet/realtek/r8169.c | 14 ++++++------ drivers/net/ethernet/renesas/sh_eth.c | 2 +- drivers/net/ethernet/stmicro/stmmac/stmmac_main.c | 2 +- drivers/net/ethernet/tehuti/tehuti.c | 6 +++--- drivers/net/ethernet/ti/cpsw.c | 4 ++-- drivers/net/ethernet/toshiba/spider_net.c | 4 ++-- drivers/net/ethernet/via/via-rhine.c | 5 +++-- drivers/net/ethernet/via/via-velocity.c | 7 +++--- drivers/net/ethernet/xilinx/ll_temac_main.c | 6 +++--- drivers/net/hyperv/netvsc_drv.c | 2 +- drivers/net/ifb.c | 2 +- drivers/net/macvlan.c | 2 +- drivers/net/team/team.c | 6 +++--- drivers/net/usb/cdc_mbim.c | 2 +- drivers/net/veth.c | 2 +- drivers/net/virtio_net.c | 2 +- drivers/net/vmxnet3/vmxnet3_drv.c | 11 +++++----- drivers/net/vmxnet3/vmxnet3_ethtool.c | 5 +++-- drivers/s390/net/qeth_l2_main.c | 2 +- drivers/s390/net/qeth_l3_main.c | 6 +++--- drivers/scsi/fcoe/fcoe.c | 2 +- include/linux/if_vlan.h | 4 ++-- include/linux/netdev_features.h | 12 +++++------ include/linux/netdevice.h | 6 ++++-- net/8021q/vlan.c | 6 +++--- net/8021q/vlan_core.c | 4 ++-- net/8021q/vlan_dev.c | 2 +- net/bridge/br_device.c | 4 ++-- net/bridge/br_vlan.c | 6 +++--- net/core/dev.c | 9 ++++---- net/core/ethtool.c | 25 +++++++++++----------- net/core/netpoll.c | 2 +- net/openvswitch/vport-internal_dev.c | 2 +- 78 files changed, 285 insertions(+), 266 deletions(-) (limited to 'net/core') diff --git a/drivers/infiniband/hw/nes/nes_nic.c b/drivers/infiniband/hw/nes/nes_nic.c index 85cf4d1ac442..49eb5111d2cd 100644 --- a/drivers/infiniband/hw/nes/nes_nic.c +++ b/drivers/infiniband/hw/nes/nes_nic.c @@ -1599,7 +1599,7 @@ static void nes_vlan_mode(struct net_device *netdev, struct nes_device *nesdev, /* Enable/Disable VLAN Stripping */ u32temp = nes_read_indexed(nesdev, NES_IDX_PCIX_DIAG); - if (features & NETIF_F_HW_VLAN_RX) + if (features & NETIF_F_HW_VLAN_CTAG_RX) u32temp &= 0xfdffffff; else u32temp |= 0x02000000; @@ -1614,10 +1614,10 @@ static netdev_features_t nes_fix_features(struct net_device *netdev, netdev_feat * Since there is no support for separate rx/tx vlan accel * enable/disable make sure tx flag is always in same state as rx. */ - if (features & NETIF_F_HW_VLAN_RX) - features |= NETIF_F_HW_VLAN_TX; + if (features & NETIF_F_HW_VLAN_CTAG_RX) + features |= NETIF_F_HW_VLAN_CTAG_TX; else - features &= ~NETIF_F_HW_VLAN_TX; + features &= ~NETIF_F_HW_VLAN_CTAG_TX; return features; } @@ -1628,7 +1628,7 @@ static int nes_set_features(struct net_device *netdev, netdev_features_t feature struct nes_device *nesdev = nesvnic->nesdev; u32 changed = netdev->features ^ features; - if (changed & NETIF_F_HW_VLAN_RX) + if (changed & NETIF_F_HW_VLAN_CTAG_RX) nes_vlan_mode(netdev, nesdev, features); return 0; @@ -1706,11 +1706,11 @@ struct net_device *nes_netdev_init(struct nes_device *nesdev, netdev->dev_addr[4] = (u8)(u64temp>>8); netdev->dev_addr[5] = (u8)u64temp; - netdev->hw_features = NETIF_F_SG | NETIF_F_IP_CSUM | NETIF_F_RXCSUM | NETIF_F_HW_VLAN_RX; + netdev->hw_features = NETIF_F_SG | NETIF_F_IP_CSUM | NETIF_F_RXCSUM | NETIF_F_HW_VLAN_CTAG_RX; if ((nesvnic->logical_port < 2) || (nesdev->nesadapter->hw_rev != NE020_REV)) netdev->hw_features |= NETIF_F_TSO; - netdev->features = netdev->hw_features | NETIF_F_HIGHDMA | NETIF_F_HW_VLAN_TX; + netdev->features = netdev->hw_features | NETIF_F_HIGHDMA | NETIF_F_HW_VLAN_CTAG_TX; netdev->hw_features |= NETIF_F_LRO; nes_debug(NES_DBG_INIT, "nesvnic = %p, reported features = 0x%lX, QPid = %d," diff --git a/drivers/net/bonding/bond_main.c b/drivers/net/bonding/bond_main.c index 2aac890320cb..8d324f8a1757 100644 --- a/drivers/net/bonding/bond_main.c +++ b/drivers/net/bonding/bond_main.c @@ -4322,9 +4322,9 @@ static void bond_setup(struct net_device *bond_dev) */ bond_dev->hw_features = BOND_VLAN_FEATURES | - NETIF_F_HW_VLAN_TX | - NETIF_F_HW_VLAN_RX | - NETIF_F_HW_VLAN_FILTER; + NETIF_F_HW_VLAN_CTAG_TX | + NETIF_F_HW_VLAN_CTAG_RX | + NETIF_F_HW_VLAN_CTAG_FILTER; bond_dev->hw_features &= ~(NETIF_F_ALL_CSUM & ~NETIF_F_HW_CSUM); bond_dev->features |= bond_dev->hw_features; diff --git a/drivers/net/ethernet/3com/typhoon.c b/drivers/net/ethernet/3com/typhoon.c index 27aaaf99e73e..839a96213742 100644 --- a/drivers/net/ethernet/3com/typhoon.c +++ b/drivers/net/ethernet/3com/typhoon.c @@ -2445,9 +2445,9 @@ typhoon_init_one(struct pci_dev *pdev, const struct pci_device_id *ent) * settings -- so we only allow the user to toggle the TX processing. */ dev->hw_features = NETIF_F_SG | NETIF_F_IP_CSUM | NETIF_F_TSO | - NETIF_F_HW_VLAN_TX; + NETIF_F_HW_VLAN_CTAG_TX; dev->features = dev->hw_features | - NETIF_F_HW_VLAN_RX | NETIF_F_RXCSUM; + NETIF_F_HW_VLAN_CTAG_RX | NETIF_F_RXCSUM; if(register_netdev(dev) < 0) { err_msg = "unable to register netdev"; diff --git a/drivers/net/ethernet/adaptec/starfire.c b/drivers/net/ethernet/adaptec/starfire.c index 549b77500579..365865130f7c 100644 --- a/drivers/net/ethernet/adaptec/starfire.c +++ b/drivers/net/ethernet/adaptec/starfire.c @@ -702,7 +702,7 @@ static int starfire_init_one(struct pci_dev *pdev, #endif /* ZEROCOPY */ #ifdef VLAN_SUPPORT - dev->features |= NETIF_F_HW_VLAN_RX | NETIF_F_HW_VLAN_FILTER; + dev->features |= NETIF_F_HW_VLAN_CTAG_RX | NETIF_F_HW_VLAN_CTAG_FILTER; #endif /* VLAN_RX_KILL_VID */ #ifdef ADDR_64BITS dev->features |= NETIF_F_HIGHDMA; diff --git a/drivers/net/ethernet/alteon/acenic.c b/drivers/net/ethernet/alteon/acenic.c index c0bc41a784ca..a7689d931053 100644 --- a/drivers/net/ethernet/alteon/acenic.c +++ b/drivers/net/ethernet/alteon/acenic.c @@ -472,7 +472,7 @@ static int acenic_probe_one(struct pci_dev *pdev, ap->name = pci_name(pdev); dev->features |= NETIF_F_SG | NETIF_F_IP_CSUM; - dev->features |= NETIF_F_HW_VLAN_TX | NETIF_F_HW_VLAN_RX; + dev->features |= NETIF_F_HW_VLAN_CTAG_TX | NETIF_F_HW_VLAN_CTAG_RX; dev->watchdog_timeo = 5*HZ; diff --git a/drivers/net/ethernet/amd/amd8111e.c b/drivers/net/ethernet/amd/amd8111e.c index 42d4e6ad58a5..6bad84d6e2c4 100644 --- a/drivers/net/ethernet/amd/amd8111e.c +++ b/drivers/net/ethernet/amd/amd8111e.c @@ -1869,7 +1869,7 @@ static int amd8111e_probe_one(struct pci_dev *pdev, SET_NETDEV_DEV(dev, &pdev->dev); #if AMD8111E_VLAN_TAG_USED - dev->features |= NETIF_F_HW_VLAN_TX | NETIF_F_HW_VLAN_RX ; + dev->features |= NETIF_F_HW_VLAN_CTAG_TX | NETIF_F_HW_VLAN_CTAG_RX ; #endif lp = netdev_priv(dev); @@ -1907,7 +1907,7 @@ static int amd8111e_probe_one(struct pci_dev *pdev, netif_napi_add(dev, &lp->napi, amd8111e_rx_poll, 32); #if AMD8111E_VLAN_TAG_USED - dev->features |= NETIF_F_HW_VLAN_TX | NETIF_F_HW_VLAN_RX; + dev->features |= NETIF_F_HW_VLAN_CTAG_TX | NETIF_F_HW_VLAN_CTAG_RX; #endif /* Probe the external PHY */ amd8111e_probe_ext_phy(dev); diff --git a/drivers/net/ethernet/atheros/atl1c/atl1c_main.c b/drivers/net/ethernet/atheros/atl1c/atl1c_main.c index 1f07fc633ab9..3565255cdd81 100644 --- a/drivers/net/ethernet/atheros/atl1c/atl1c_main.c +++ b/drivers/net/ethernet/atheros/atl1c/atl1c_main.c @@ -417,7 +417,7 @@ static void atl1c_set_multi(struct net_device *netdev) static void __atl1c_vlan_mode(netdev_features_t features, u32 *mac_ctrl_data) { - if (features & NETIF_F_HW_VLAN_RX) { + if (features & NETIF_F_HW_VLAN_CTAG_RX) { /* enable VLAN tag insert/strip */ *mac_ctrl_data |= MAC_CTRL_RMV_VLAN; } else { @@ -494,10 +494,10 @@ static netdev_features_t atl1c_fix_features(struct net_device *netdev, * Since there is no support for separate rx/tx vlan accel * enable/disable make sure tx flag is always in same state as rx. */ - if (features & NETIF_F_HW_VLAN_RX) - features |= NETIF_F_HW_VLAN_TX; + if (features & NETIF_F_HW_VLAN_CTAG_RX) + features |= NETIF_F_HW_VLAN_CTAG_TX; else - features &= ~NETIF_F_HW_VLAN_TX; + features &= ~NETIF_F_HW_VLAN_CTAG_TX; if (netdev->mtu > MAX_TSO_FRAME_SIZE) features &= ~(NETIF_F_TSO | NETIF_F_TSO6); @@ -510,7 +510,7 @@ static int atl1c_set_features(struct net_device *netdev, { netdev_features_t changed = netdev->features ^ features; - if (changed & NETIF_F_HW_VLAN_RX) + if (changed & NETIF_F_HW_VLAN_CTAG_RX) atl1c_vlan_mode(netdev, features); return 0; @@ -2475,13 +2475,13 @@ static int atl1c_init_netdev(struct net_device *netdev, struct pci_dev *pdev) atl1c_set_ethtool_ops(netdev); /* TODO: add when ready */ - netdev->hw_features = NETIF_F_SG | - NETIF_F_HW_CSUM | - NETIF_F_HW_VLAN_RX | - NETIF_F_TSO | + netdev->hw_features = NETIF_F_SG | + NETIF_F_HW_CSUM | + NETIF_F_HW_VLAN_CTAG_RX | + NETIF_F_TSO | NETIF_F_TSO6; - netdev->features = netdev->hw_features | - NETIF_F_HW_VLAN_TX; + netdev->features = netdev->hw_features | + NETIF_F_HW_VLAN_CTAG_TX; return 0; } diff --git a/drivers/net/ethernet/atheros/atl1e/atl1e_main.c b/drivers/net/ethernet/atheros/atl1e/atl1e_main.c index d058d0061ed0..598a61151668 100644 --- a/drivers/net/ethernet/atheros/atl1e/atl1e_main.c +++ b/drivers/net/ethernet/atheros/atl1e/atl1e_main.c @@ -315,7 +315,7 @@ static void atl1e_set_multi(struct net_device *netdev) static void __atl1e_vlan_mode(netdev_features_t features, u32 *mac_ctrl_data) { - if (features & NETIF_F_HW_VLAN_RX) { + if (features & NETIF_F_HW_VLAN_CTAG_RX) { /* enable VLAN tag insert/strip */ *mac_ctrl_data |= MAC_CTRL_RMV_VLAN; } else { @@ -378,10 +378,10 @@ static netdev_features_t atl1e_fix_features(struct net_device *netdev, * Since there is no support for separate rx/tx vlan accel * enable/disable make sure tx flag is always in same state as rx. */ - if (features & NETIF_F_HW_VLAN_RX) - features |= NETIF_F_HW_VLAN_TX; + if (features & NETIF_F_HW_VLAN_CTAG_RX) + features |= NETIF_F_HW_VLAN_CTAG_TX; else - features &= ~NETIF_F_HW_VLAN_TX; + features &= ~NETIF_F_HW_VLAN_CTAG_TX; return features; } @@ -391,7 +391,7 @@ static int atl1e_set_features(struct net_device *netdev, { netdev_features_t changed = netdev->features ^ features; - if (changed & NETIF_F_HW_VLAN_RX) + if (changed & NETIF_F_HW_VLAN_CTAG_RX) atl1e_vlan_mode(netdev, features); return 0; @@ -2198,9 +2198,9 @@ static int atl1e_init_netdev(struct net_device *netdev, struct pci_dev *pdev) atl1e_set_ethtool_ops(netdev); netdev->hw_features = NETIF_F_SG | NETIF_F_HW_CSUM | NETIF_F_TSO | - NETIF_F_HW_VLAN_RX; + NETIF_F_HW_VLAN_CTAG_RX; netdev->features = netdev->hw_features | NETIF_F_LLTX | - NETIF_F_HW_VLAN_TX; + NETIF_F_HW_VLAN_CTAG_TX; return 0; } diff --git a/drivers/net/ethernet/atheros/atlx/atl1.c b/drivers/net/ethernet/atheros/atlx/atl1.c index 8338013ab33d..fd7d85044e4a 100644 --- a/drivers/net/ethernet/atheros/atlx/atl1.c +++ b/drivers/net/ethernet/atheros/atlx/atl1.c @@ -3018,10 +3018,10 @@ static int atl1_probe(struct pci_dev *pdev, const struct pci_device_id *ent) netdev->features = NETIF_F_HW_CSUM; netdev->features |= NETIF_F_SG; - netdev->features |= (NETIF_F_HW_VLAN_TX | NETIF_F_HW_VLAN_RX); + netdev->features |= (NETIF_F_HW_VLAN_CTAG_TX | NETIF_F_HW_VLAN_CTAG_RX); netdev->hw_features = NETIF_F_HW_CSUM | NETIF_F_SG | NETIF_F_TSO | - NETIF_F_HW_VLAN_RX; + NETIF_F_HW_VLAN_CTAG_RX; /* is this valid? see atl1_setup_mac_ctrl() */ netdev->features |= NETIF_F_RXCSUM; diff --git a/drivers/net/ethernet/atheros/atlx/atl2.c b/drivers/net/ethernet/atheros/atlx/atl2.c index a046b6ff847c..6b2c08a89b7e 100644 --- a/drivers/net/ethernet/atheros/atlx/atl2.c +++ b/drivers/net/ethernet/atheros/atlx/atl2.c @@ -363,7 +363,7 @@ static inline void atl2_irq_disable(struct atl2_adapter *adapter) static void __atl2_vlan_mode(netdev_features_t features, u32 *ctrl) { - if (features & NETIF_F_HW_VLAN_RX) { + if (features & NETIF_F_HW_VLAN_CTAG_RX) { /* enable VLAN tag insert/strip */ *ctrl |= MAC_CTRL_RMV_VLAN; } else { @@ -399,10 +399,10 @@ static netdev_features_t atl2_fix_features(struct net_device *netdev, * Since there is no support for separate rx/tx vlan accel * enable/disable make sure tx flag is always in same state as rx. */ - if (features & NETIF_F_HW_VLAN_RX) - features |= NETIF_F_HW_VLAN_TX; + if (features & NETIF_F_HW_VLAN_CTAG_RX) + features |= NETIF_F_HW_VLAN_CTAG_TX; else - features &= ~NETIF_F_HW_VLAN_TX; + features &= ~NETIF_F_HW_VLAN_CTAG_TX; return features; } @@ -412,7 +412,7 @@ static int atl2_set_features(struct net_device *netdev, { netdev_features_t changed = netdev->features ^ features; - if (changed & NETIF_F_HW_VLAN_RX) + if (changed & NETIF_F_HW_VLAN_CTAG_RX) atl2_vlan_mode(netdev, features); return 0; @@ -887,7 +887,7 @@ static netdev_tx_t atl2_xmit_frame(struct sk_buff *skb, skb->len-copy_len); offset = ((u32)(skb->len-copy_len + 3) & ~3); } -#ifdef NETIF_F_HW_VLAN_TX +#ifdef NETIF_F_HW_VLAN_CTAG_TX if (vlan_tx_tag_present(skb)) { u16 vlan_tag = vlan_tx_tag_get(skb); vlan_tag = (vlan_tag << 4) | @@ -1413,8 +1413,8 @@ static int atl2_probe(struct pci_dev *pdev, const struct pci_device_id *ent) err = -EIO; - netdev->hw_features = NETIF_F_SG | NETIF_F_HW_VLAN_RX; - netdev->features |= (NETIF_F_HW_VLAN_TX | NETIF_F_HW_VLAN_RX); + netdev->hw_features = NETIF_F_SG | NETIF_F_HW_VLAN_CTAG_RX; + netdev->features |= (NETIF_F_HW_VLAN_CTAG_TX | NETIF_F_HW_VLAN_CTAG_RX); /* Init PHY as early as possible due to power saving issue */ atl2_phy_init(&adapter->hw); diff --git a/drivers/net/ethernet/atheros/atlx/atlx.c b/drivers/net/ethernet/atheros/atlx/atlx.c index f82eb1699464..46a622cceee4 100644 --- a/drivers/net/ethernet/atheros/atlx/atlx.c +++ b/drivers/net/ethernet/atheros/atlx/atlx.c @@ -220,7 +220,7 @@ static void atlx_link_chg_task(struct work_struct *work) static void __atlx_vlan_mode(netdev_features_t features, u32 *ctrl) { - if (features & NETIF_F_HW_VLAN_RX) { + if (features & NETIF_F_HW_VLAN_CTAG_RX) { /* enable VLAN tag insert/strip */ *ctrl |= MAC_CTRL_RMV_VLAN; } else { @@ -257,10 +257,10 @@ static netdev_features_t atlx_fix_features(struct net_device *netdev, * Since there is no support for separate rx/tx vlan accel * enable/disable make sure tx flag is always in same state as rx. */ - if (features & NETIF_F_HW_VLAN_RX) - features |= NETIF_F_HW_VLAN_TX; + if (features & NETIF_F_HW_VLAN_CTAG_RX) + features |= NETIF_F_HW_VLAN_CTAG_TX; else - features &= ~NETIF_F_HW_VLAN_TX; + features &= ~NETIF_F_HW_VLAN_CTAG_TX; return features; } @@ -270,7 +270,7 @@ static int atlx_set_features(struct net_device *netdev, { netdev_features_t changed = netdev->features ^ features; - if (changed & NETIF_F_HW_VLAN_RX) + if (changed & NETIF_F_HW_VLAN_CTAG_RX) atlx_vlan_mode(netdev, features); return 0; diff --git a/drivers/net/ethernet/broadcom/bnx2.c b/drivers/net/ethernet/broadcom/bnx2.c index f27b549b692d..42a8bc8df5dd 100644 --- a/drivers/net/ethernet/broadcom/bnx2.c +++ b/drivers/net/ethernet/broadcom/bnx2.c @@ -3553,7 +3553,7 @@ bnx2_set_rx_mode(struct net_device *dev) rx_mode = bp->rx_mode & ~(BNX2_EMAC_RX_MODE_PROMISCUOUS | BNX2_EMAC_RX_MODE_KEEP_VLAN_TAG); sort_mode = 1 | BNX2_RPM_SORT_USER0_BC_EN; - if (!(dev->features & NETIF_F_HW_VLAN_RX) && + if (!(dev->features & NETIF_F_HW_VLAN_CTAG_RX) && (bp->flags & BNX2_FLAG_CAN_KEEP_VLAN)) rx_mode |= BNX2_EMAC_RX_MODE_KEEP_VLAN_TAG; if (dev->flags & IFF_PROMISC) { @@ -7695,7 +7695,7 @@ bnx2_fix_features(struct net_device *dev, netdev_features_t features) struct bnx2 *bp = netdev_priv(dev); if (!(bp->flags & BNX2_FLAG_CAN_KEEP_VLAN)) - features |= NETIF_F_HW_VLAN_RX; + features |= NETIF_F_HW_VLAN_CTAG_RX; return features; } @@ -7706,12 +7706,12 @@ bnx2_set_features(struct net_device *dev, netdev_features_t features) struct bnx2 *bp = netdev_priv(dev); /* TSO with VLAN tag won't work with current firmware */ - if (features & NETIF_F_HW_VLAN_TX) + if (features & NETIF_F_HW_VLAN_CTAG_TX) dev->vlan_features |= (dev->hw_features & NETIF_F_ALL_TSO); else dev->vlan_features &= ~NETIF_F_ALL_TSO; - if ((!!(features & NETIF_F_HW_VLAN_RX) != + if ((!!(features & NETIF_F_HW_VLAN_CTAG_RX) != !!(bp->rx_mode & BNX2_EMAC_RX_MODE_KEEP_VLAN_TAG)) && netif_running(dev)) { bnx2_netif_stop(bp, false); @@ -8551,7 +8551,7 @@ bnx2_init_one(struct pci_dev *pdev, const struct pci_device_id *ent) dev->hw_features |= NETIF_F_IPV6_CSUM | NETIF_F_TSO6; dev->vlan_features = dev->hw_features; - dev->hw_features |= NETIF_F_HW_VLAN_TX | NETIF_F_HW_VLAN_RX; + dev->hw_features |= NETIF_F_HW_VLAN_CTAG_TX | NETIF_F_HW_VLAN_CTAG_RX; dev->features |= dev->hw_features; dev->priv_flags |= IFF_UNICAST_FLT; diff --git a/drivers/net/ethernet/broadcom/bnx2x/bnx2x_main.c b/drivers/net/ethernet/broadcom/bnx2x/bnx2x_main.c index fdfe33bc097b..1e60c5d139d1 100644 --- a/drivers/net/ethernet/broadcom/bnx2x/bnx2x_main.c +++ b/drivers/net/ethernet/broadcom/bnx2x/bnx2x_main.c @@ -12027,7 +12027,7 @@ static int bnx2x_init_dev(struct bnx2x *bp, struct pci_dev *pdev, dev->hw_features = NETIF_F_SG | NETIF_F_IP_CSUM | NETIF_F_IPV6_CSUM | NETIF_F_TSO | NETIF_F_TSO_ECN | NETIF_F_TSO6 | NETIF_F_RXCSUM | NETIF_F_LRO | NETIF_F_GRO | - NETIF_F_RXHASH | NETIF_F_HW_VLAN_TX; + NETIF_F_RXHASH | NETIF_F_HW_VLAN_CTAG_TX; if (!CHIP_IS_E1x(bp)) { dev->hw_features |= NETIF_F_GSO_GRE; dev->hw_enc_features = @@ -12039,7 +12039,7 @@ static int bnx2x_init_dev(struct bnx2x *bp, struct pci_dev *pdev, dev->vlan_features = NETIF_F_SG | NETIF_F_IP_CSUM | NETIF_F_IPV6_CSUM | NETIF_F_TSO | NETIF_F_TSO_ECN | NETIF_F_TSO6 | NETIF_F_HIGHDMA; - dev->features |= dev->hw_features | NETIF_F_HW_VLAN_RX; + dev->features |= dev->hw_features | NETIF_F_HW_VLAN_CTAG_RX; if (bp->flags & USING_DAC_FLAG) dev->features |= NETIF_F_HIGHDMA; diff --git a/drivers/net/ethernet/broadcom/tg3.c b/drivers/net/ethernet/broadcom/tg3.c index 45719ddfde74..0c22c9a059c4 100644 --- a/drivers/net/ethernet/broadcom/tg3.c +++ b/drivers/net/ethernet/broadcom/tg3.c @@ -17197,7 +17197,7 @@ static int tg3_init_one(struct pci_dev *pdev, tg3_init_bufmgr_config(tp); - features |= NETIF_F_HW_VLAN_TX | NETIF_F_HW_VLAN_RX; + features |= NETIF_F_HW_VLAN_CTAG_TX | NETIF_F_HW_VLAN_CTAG_RX; /* 5700 B0 chips do not support checksumming correctly due * to hardware bugs. diff --git a/drivers/net/ethernet/brocade/bna/bnad.c b/drivers/net/ethernet/brocade/bna/bnad.c index d588f842d557..1d9d0371a743 100644 --- a/drivers/net/ethernet/brocade/bna/bnad.c +++ b/drivers/net/ethernet/brocade/bna/bnad.c @@ -3170,14 +3170,14 @@ bnad_netdev_init(struct bnad *bnad, bool using_dac) netdev->hw_features = NETIF_F_SG | NETIF_F_RXCSUM | NETIF_F_IP_CSUM | NETIF_F_IPV6_CSUM | - NETIF_F_TSO | NETIF_F_TSO6 | NETIF_F_HW_VLAN_TX; + NETIF_F_TSO | NETIF_F_TSO6 | NETIF_F_HW_VLAN_CTAG_TX; netdev->vlan_features = NETIF_F_SG | NETIF_F_HIGHDMA | NETIF_F_IP_CSUM | NETIF_F_IPV6_CSUM | NETIF_F_TSO | NETIF_F_TSO6; netdev->features |= netdev->hw_features | - NETIF_F_HW_VLAN_RX | NETIF_F_HW_VLAN_FILTER; + NETIF_F_HW_VLAN_CTAG_RX | NETIF_F_HW_VLAN_CTAG_FILTER; if (using_dac) netdev->features |= NETIF_F_HIGHDMA; diff --git a/drivers/net/ethernet/chelsio/cxgb/cxgb2.c b/drivers/net/ethernet/chelsio/cxgb/cxgb2.c index 20d2085f61c5..9624cfe7df57 100644 --- a/drivers/net/ethernet/chelsio/cxgb/cxgb2.c +++ b/drivers/net/ethernet/chelsio/cxgb/cxgb2.c @@ -856,10 +856,10 @@ static netdev_features_t t1_fix_features(struct net_device *dev, * Since there is no support for separate rx/tx vlan accel * enable/disable make sure tx flag is always in same state as rx. */ - if (features & NETIF_F_HW_VLAN_RX) - features |= NETIF_F_HW_VLAN_TX; + if (features & NETIF_F_HW_VLAN_CTAG_RX) + features |= NETIF_F_HW_VLAN_CTAG_TX; else - features &= ~NETIF_F_HW_VLAN_TX; + features &= ~NETIF_F_HW_VLAN_CTAG_TX; return features; } @@ -869,7 +869,7 @@ static int t1_set_features(struct net_device *dev, netdev_features_t features) netdev_features_t changed = dev->features ^ features; struct adapter *adapter = dev->ml_priv; - if (changed & NETIF_F_HW_VLAN_RX) + if (changed & NETIF_F_HW_VLAN_CTAG_RX) t1_vlan_mode(adapter, features); return 0; @@ -1085,8 +1085,9 @@ static int init_one(struct pci_dev *pdev, const struct pci_device_id *ent) netdev->features |= NETIF_F_HIGHDMA; if (vlan_tso_capable(adapter)) { netdev->features |= - NETIF_F_HW_VLAN_TX | NETIF_F_HW_VLAN_RX; - netdev->hw_features |= NETIF_F_HW_VLAN_RX; + NETIF_F_HW_VLAN_CTAG_TX | + NETIF_F_HW_VLAN_CTAG_RX; + netdev->hw_features |= NETIF_F_HW_VLAN_CTAG_RX; /* T204: disable TSO */ if (!(is_T2(adapter)) || bi->port_number != 4) { diff --git a/drivers/net/ethernet/chelsio/cxgb/sge.c b/drivers/net/ethernet/chelsio/cxgb/sge.c index 55fe8c9f0484..f85e0659432b 100644 --- a/drivers/net/ethernet/chelsio/cxgb/sge.c +++ b/drivers/net/ethernet/chelsio/cxgb/sge.c @@ -734,7 +734,7 @@ void t1_vlan_mode(struct adapter *adapter, netdev_features_t features) { struct sge *sge = adapter->sge; - if (features & NETIF_F_HW_VLAN_RX) + if (features & NETIF_F_HW_VLAN_CTAG_RX) sge->sge_control |= F_VLAN_XTRACT; else sge->sge_control &= ~F_VLAN_XTRACT; diff --git a/drivers/net/ethernet/chelsio/cxgb3/cxgb3_main.c b/drivers/net/ethernet/chelsio/cxgb3/cxgb3_main.c index 2b5e62193cea..71497e835f42 100644 --- a/drivers/net/ethernet/chelsio/cxgb3/cxgb3_main.c +++ b/drivers/net/ethernet/chelsio/cxgb3/cxgb3_main.c @@ -1181,14 +1181,15 @@ static void cxgb_vlan_mode(struct net_device *dev, netdev_features_t features) if (adapter->params.rev > 0) { t3_set_vlan_accel(adapter, 1 << pi->port_id, - features & NETIF_F_HW_VLAN_RX); + features & NETIF_F_HW_VLAN_CTAG_RX); } else { /* single control for all ports */ - unsigned int i, have_vlans = features & NETIF_F_HW_VLAN_RX; + unsigned int i, have_vlans = features & NETIF_F_HW_VLAN_CTAG_RX; for_each_port(adapter, i) have_vlans |= - adapter->port[i]->features & NETIF_F_HW_VLAN_RX; + adapter->port[i]->features & + NETIF_F_HW_VLAN_CTAG_RX; t3_set_vlan_accel(adapter, 1, have_vlans); } @@ -2563,10 +2564,10 @@ static netdev_features_t cxgb_fix_features(struct net_device *dev, * Since there is no support for separate rx/tx vlan accel * enable/disable make sure tx flag is always in same state as rx. */ - if (features & NETIF_F_HW_VLAN_RX) - features |= NETIF_F_HW_VLAN_TX; + if (features & NETIF_F_HW_VLAN_CTAG_RX) + features |= NETIF_F_HW_VLAN_CTAG_TX; else - features &= ~NETIF_F_HW_VLAN_TX; + features &= ~NETIF_F_HW_VLAN_CTAG_TX; return features; } @@ -2575,7 +2576,7 @@ static int cxgb_set_features(struct net_device *dev, netdev_features_t features) { netdev_features_t changed = dev->features ^ features; - if (changed & NETIF_F_HW_VLAN_RX) + if (changed & NETIF_F_HW_VLAN_CTAG_RX) cxgb_vlan_mode(dev, features); return 0; @@ -3288,8 +3289,9 @@ static int init_one(struct pci_dev *pdev, const struct pci_device_id *ent) netdev->mem_start = mmio_start; netdev->mem_end = mmio_start + mmio_len - 1; netdev->hw_features = NETIF_F_SG | NETIF_F_IP_CSUM | - NETIF_F_TSO | NETIF_F_RXCSUM | NETIF_F_HW_VLAN_RX; - netdev->features |= netdev->hw_features | NETIF_F_HW_VLAN_TX; + NETIF_F_TSO | NETIF_F_RXCSUM | NETIF_F_HW_VLAN_CTAG_RX; + netdev->features |= netdev->hw_features | + NETIF_F_HW_VLAN_CTAG_TX; netdev->vlan_features |= netdev->features & VLAN_FEAT; if (pci_using_dac) netdev->features |= NETIF_F_HIGHDMA; diff --git a/drivers/net/ethernet/chelsio/cxgb4/cxgb4_main.c b/drivers/net/ethernet/chelsio/cxgb4/cxgb4_main.c index e76cf035100b..6a6a01af75fd 100644 --- a/drivers/net/ethernet/chelsio/cxgb4/cxgb4_main.c +++ b/drivers/net/ethernet/chelsio/cxgb4/cxgb4_main.c @@ -559,7 +559,7 @@ static int link_start(struct net_device *dev) * that step explicitly. */ ret = t4_set_rxmode(pi->adapter, mb, pi->viid, dev->mtu, -1, -1, -1, - !!(dev->features & NETIF_F_HW_VLAN_RX), true); + !!(dev->features & NETIF_F_HW_VLAN_CTAG_RX), true); if (ret == 0) { ret = t4_change_mac(pi->adapter, mb, pi->viid, pi->xact_addr_filt, dev->dev_addr, true, @@ -2722,14 +2722,14 @@ static int cxgb_set_features(struct net_device *dev, netdev_features_t features) netdev_features_t changed = dev->features ^ features; int err; - if (!(changed & NETIF_F_HW_VLAN_RX)) + if (!(changed & NETIF_F_HW_VLAN_CTAG_RX)) return 0; err = t4_set_rxmode(pi->adapter, pi->adapter->fn, pi->viid, -1, -1, -1, -1, - !!(features & NETIF_F_HW_VLAN_RX), true); + !!(features & NETIF_F_HW_VLAN_CTAG_RX), true); if (unlikely(err)) - dev->features = features ^ NETIF_F_HW_VLAN_RX; + dev->features = features ^ NETIF_F_HW_VLAN_CTAG_RX; return err; } @@ -5628,7 +5628,7 @@ static int init_one(struct pci_dev *pdev, const struct pci_device_id *ent) netdev->hw_features = NETIF_F_SG | TSO_FLAGS | NETIF_F_IP_CSUM | NETIF_F_IPV6_CSUM | NETIF_F_RXCSUM | NETIF_F_RXHASH | - NETIF_F_HW_VLAN_TX | NETIF_F_HW_VLAN_RX; + NETIF_F_HW_VLAN_CTAG_TX | NETIF_F_HW_VLAN_CTAG_RX; if (highdma) netdev->hw_features |= NETIF_F_HIGHDMA; netdev->features |= netdev->hw_features; diff --git a/drivers/net/ethernet/chelsio/cxgb4vf/cxgb4vf_main.c b/drivers/net/ethernet/chelsio/cxgb4vf/cxgb4vf_main.c index 7fcac2003769..73aef76a526c 100644 --- a/drivers/net/ethernet/chelsio/cxgb4vf/cxgb4vf_main.c +++ b/drivers/net/ethernet/chelsio/cxgb4vf/cxgb4vf_main.c @@ -1100,10 +1100,10 @@ static netdev_features_t cxgb4vf_fix_features(struct net_device *dev, * Since there is no support for separate rx/tx vlan accel * enable/disable make sure tx flag is always in same state as rx. */ - if (features & NETIF_F_HW_VLAN_RX) - features |= NETIF_F_HW_VLAN_TX; + if (features & NETIF_F_HW_VLAN_CTAG_RX) + features |= NETIF_F_HW_VLAN_CTAG_TX; else - features &= ~NETIF_F_HW_VLAN_TX; + features &= ~NETIF_F_HW_VLAN_CTAG_TX; return features; } @@ -1114,9 +1114,9 @@ static int cxgb4vf_set_features(struct net_device *dev, struct port_info *pi = netdev_priv(dev); netdev_features_t changed = dev->features ^ features; - if (changed & NETIF_F_HW_VLAN_RX) + if (changed & NETIF_F_HW_VLAN_CTAG_RX) t4vf_set_rxmode(pi->adapter, pi->viid, -1, -1, -1, -1, - features & NETIF_F_HW_VLAN_TX, 0); + features & NETIF_F_HW_VLAN_CTAG_TX, 0); return 0; } @@ -2623,11 +2623,12 @@ static int cxgb4vf_pci_probe(struct pci_dev *pdev, netdev->hw_features = NETIF_F_SG | TSO_FLAGS | NETIF_F_IP_CSUM | NETIF_F_IPV6_CSUM | - NETIF_F_HW_VLAN_RX | NETIF_F_RXCSUM; + NETIF_F_HW_VLAN_CTAG_RX | NETIF_F_RXCSUM; netdev->vlan_features = NETIF_F_SG | TSO_FLAGS | NETIF_F_IP_CSUM | NETIF_F_IPV6_CSUM | NETIF_F_HIGHDMA; - netdev->features = netdev->hw_features | NETIF_F_HW_VLAN_TX; + netdev->features = netdev->hw_features | + NETIF_F_HW_VLAN_CTAG_TX; if (pci_using_dac) netdev->features |= NETIF_F_HIGHDMA; diff --git a/drivers/net/ethernet/cisco/enic/enic_main.c b/drivers/net/ethernet/cisco/enic/enic_main.c index ec1a233622c6..05c1e59b6bff 100644 --- a/drivers/net/ethernet/cisco/enic/enic_main.c +++ b/drivers/net/ethernet/cisco/enic/enic_main.c @@ -2496,9 +2496,9 @@ static int enic_probe(struct pci_dev *pdev, const struct pci_device_id *ent) netdev->watchdog_timeo = 2 * HZ; netdev->ethtool_ops = &enic_ethtool_ops; - netdev->features |= NETIF_F_HW_VLAN_TX | NETIF_F_HW_VLAN_RX; + netdev->features |= NETIF_F_HW_VLAN_CTAG_TX | NETIF_F_HW_VLAN_CTAG_RX; if (ENIC_SETTING(enic, LOOP)) { - netdev->features &= ~NETIF_F_HW_VLAN_TX; + netdev->features &= ~NETIF_F_HW_VLAN_CTAG_TX; enic->loop_enable = 1; enic->loop_tag = enic->config.loop_tag; dev_info(dev, "loopback tag=0x%04x\n", enic->loop_tag); diff --git a/drivers/net/ethernet/emulex/benet/be_main.c b/drivers/net/ethernet/emulex/benet/be_main.c index 536afa2fb94c..bde26d4d52ec 100644 --- a/drivers/net/ethernet/emulex/benet/be_main.c +++ b/drivers/net/ethernet/emulex/benet/be_main.c @@ -3663,12 +3663,12 @@ static void be_netdev_init(struct net_device *netdev) netdev->hw_features |= NETIF_F_SG | NETIF_F_TSO | NETIF_F_TSO6 | NETIF_F_IP_CSUM | NETIF_F_IPV6_CSUM | NETIF_F_RXCSUM | - NETIF_F_HW_VLAN_TX; + NETIF_F_HW_VLAN_CTAG_TX; if (be_multi_rxq(adapter)) netdev->hw_features |= NETIF_F_RXHASH; netdev->features |= netdev->hw_features | - NETIF_F_HW_VLAN_RX | NETIF_F_HW_VLAN_FILTER; + NETIF_F_HW_VLAN_CTAG_RX | NETIF_F_HW_VLAN_CTAG_FILTER; netdev->vlan_features |= NETIF_F_SG | NETIF_F_TSO | NETIF_F_TSO6 | NETIF_F_IP_CSUM | NETIF_F_IPV6_CSUM; diff --git a/drivers/net/ethernet/freescale/gianfar.c b/drivers/net/ethernet/freescale/gianfar.c index 96fbe3548243..51555445ce2f 100644 --- a/drivers/net/ethernet/freescale/gianfar.c +++ b/drivers/net/ethernet/freescale/gianfar.c @@ -386,7 +386,7 @@ static void gfar_init_mac(struct net_device *ndev) priv->uses_rxfcb = 1; } - if (ndev->features & NETIF_F_HW_VLAN_RX) { + if (ndev->features & NETIF_F_HW_VLAN_CTAG_RX) { rctrl |= RCTRL_VLEX | RCTRL_PRSDEP_INIT; priv->uses_rxfcb = 1; } @@ -1050,8 +1050,9 @@ static int gfar_probe(struct platform_device *ofdev) } if (priv->device_flags & FSL_GIANFAR_DEV_HAS_VLAN) { - dev->hw_features |= NETIF_F_HW_VLAN_TX | NETIF_F_HW_VLAN_RX; - dev->features |= NETIF_F_HW_VLAN_RX; + dev->hw_features |= NETIF_F_HW_VLAN_CTAG_TX | + NETIF_F_HW_VLAN_CTAG_RX; + dev->features |= NETIF_F_HW_VLAN_CTAG_RX; } if (priv->device_flags & FSL_GIANFAR_DEV_HAS_EXTENDED_HASH) { @@ -2348,7 +2349,7 @@ void gfar_vlan_mode(struct net_device *dev, netdev_features_t features) local_irq_save(flags); lock_rx_qs(priv); - if (features & NETIF_F_HW_VLAN_TX) { + if (features & NETIF_F_HW_VLAN_CTAG_TX) { /* Enable VLAN tag insertion */ tempval = gfar_read(®s->tctrl); tempval |= TCTRL_VLINS; @@ -2360,7 +2361,7 @@ void gfar_vlan_mode(struct net_device *dev, netdev_features_t features) gfar_write(®s->tctrl, tempval); } - if (features & NETIF_F_HW_VLAN_RX) { + if (features & NETIF_F_HW_VLAN_CTAG_RX) { /* Enable VLAN tag extraction */ tempval = gfar_read(®s->rctrl); tempval |= (RCTRL_VLEX | RCTRL_PRSDEP_INIT); @@ -2724,11 +2725,11 @@ static void gfar_process_frame(struct net_device *dev, struct sk_buff *skb, /* Tell the skb what kind of packet this is */ skb->protocol = eth_type_trans(skb, dev); - /* There's need to check for NETIF_F_HW_VLAN_RX here. + /* There's need to check for NETIF_F_HW_VLAN_CTAG_RX here. * Even if vlan rx accel is disabled, on some chips * RXFCB_VLN is pseudo randomly set. */ - if (dev->features & NETIF_F_HW_VLAN_RX && + if (dev->features & NETIF_F_HW_VLAN_CTAG_RX && fcb->flags & RXFCB_VLN) __vlan_hwaccel_put_tag(skb, fcb->vlctl); diff --git a/drivers/net/ethernet/freescale/gianfar_ethtool.c b/drivers/net/ethernet/freescale/gianfar_ethtool.c index 083603f6bec0..21cd88124ca9 100644 --- a/drivers/net/ethernet/freescale/gianfar_ethtool.c +++ b/drivers/net/ethernet/freescale/gianfar_ethtool.c @@ -542,7 +542,7 @@ int gfar_set_features(struct net_device *dev, netdev_features_t features) int err = 0, i = 0; netdev_features_t changed = dev->features ^ features; - if (changed & (NETIF_F_HW_VLAN_TX|NETIF_F_HW_VLAN_RX)) + if (changed & (NETIF_F_HW_VLAN_CTAG_TX|NETIF_F_HW_VLAN_CTAG_RX)) gfar_vlan_mode(dev, features); if (!(changed & NETIF_F_RXCSUM)) diff --git a/drivers/net/ethernet/ibm/ehea/ehea_main.c b/drivers/net/ethernet/ibm/ehea/ehea_main.c index 029633434474..9c9fa745ff82 100644 --- a/drivers/net/ethernet/ibm/ehea/ehea_main.c +++ b/drivers/net/ethernet/ibm/ehea/ehea_main.c @@ -3021,11 +3021,11 @@ static struct ehea_port *ehea_setup_single_port(struct ehea_adapter *adapter, ehea_set_ethtool_ops(dev); dev->hw_features = NETIF_F_SG | NETIF_F_TSO - | NETIF_F_IP_CSUM | NETIF_F_HW_VLAN_TX; + | NETIF_F_IP_CSUM | NETIF_F_HW_VLAN_CTAG_TX; dev->features = NETIF_F_SG | NETIF_F_FRAGLIST | NETIF_F_TSO - | NETIF_F_HIGHDMA | NETIF_F_IP_CSUM | NETIF_F_HW_VLAN_TX - | NETIF_F_HW_VLAN_RX | NETIF_F_HW_VLAN_FILTER - | NETIF_F_RXCSUM; + | NETIF_F_HIGHDMA | NETIF_F_IP_CSUM | + | NETIF_F_HW_VLAN_CTAG_TX | NETIF_F_HW_VLAN_CTAG_RX | + | NETIF_F_HW_VLAN_CTAG_FILTER | NETIF_F_RXCSUM; dev->vlan_features = NETIF_F_SG | NETIF_F_TSO | NETIF_F_HIGHDMA | NETIF_F_IP_CSUM; dev->watchdog_timeo = EHEA_WATCH_DOG_TIMEOUT; diff --git a/drivers/net/ethernet/intel/e1000/e1000_main.c b/drivers/net/ethernet/intel/e1000/e1000_main.c index d98e1d0996d4..8d0d0d420c21 100644 --- a/drivers/net/ethernet/intel/e1000/e1000_main.c +++ b/drivers/net/ethernet/intel/e1000/e1000_main.c @@ -809,10 +809,10 @@ static netdev_features_t e1000_fix_features(struct net_device *netdev, /* Since there is no support for separate Rx/Tx vlan accel * enable/disable make sure Tx flag is always in same state as Rx. */ - if (features & NETIF_F_HW_VLAN_RX) - features |= NETIF_F_HW_VLAN_TX; + if (features & NETIF_F_HW_VLAN_CTAG_RX) + features |= NETIF_F_HW_VLAN_CTAG_TX; else - features &= ~NETIF_F_HW_VLAN_TX; + features &= ~NETIF_F_HW_VLAN_CTAG_TX; return features; } @@ -823,7 +823,7 @@ static int e1000_set_features(struct net_device *netdev, struct e1000_adapter *adapter = netdev_priv(netdev); netdev_features_t changed = features ^ netdev->features; - if (changed & NETIF_F_HW_VLAN_RX) + if (changed & NETIF_F_HW_VLAN_CTAG_RX) e1000_vlan_mode(netdev, features); if (!(changed & (NETIF_F_RXCSUM | NETIF_F_RXALL))) @@ -1058,9 +1058,9 @@ static int e1000_probe(struct pci_dev *pdev, const struct pci_device_id *ent) if (hw->mac_type >= e1000_82543) { netdev->hw_features = NETIF_F_SG | NETIF_F_HW_CSUM | - NETIF_F_HW_VLAN_RX; - netdev->features = NETIF_F_HW_VLAN_TX | - NETIF_F_HW_VLAN_FILTER; + NETIF_F_HW_VLAN_CTAG_RX; + netdev->features = NETIF_F_HW_VLAN_CTAG_TX | + NETIF_F_HW_VLAN_CTAG_FILTER; } if ((hw->mac_type >= e1000_82544) && @@ -4785,7 +4785,7 @@ static void __e1000_vlan_mode(struct e1000_adapter *adapter, u32 ctrl; ctrl = er32(CTRL); - if (features & NETIF_F_HW_VLAN_RX) { + if (features & NETIF_F_HW_VLAN_CTAG_RX) { /* enable VLAN tag insert/strip */ ctrl |= E1000_CTRL_VME; } else { diff --git a/drivers/net/ethernet/intel/e1000e/netdev.c b/drivers/net/ethernet/intel/e1000e/netdev.c index b18fad5b579e..a2e7db33bf9d 100644 --- a/drivers/net/ethernet/intel/e1000e/netdev.c +++ b/drivers/net/ethernet/intel/e1000e/netdev.c @@ -3373,7 +3373,7 @@ static void e1000e_set_rx_mode(struct net_device *netdev) ew32(RCTL, rctl); - if (netdev->features & NETIF_F_HW_VLAN_RX) + if (netdev->features & NETIF_F_HW_VLAN_CTAG_RX) e1000e_vlan_strip_enable(adapter); else e1000e_vlan_strip_disable(adapter); @@ -6418,7 +6418,7 @@ static int e1000_set_features(struct net_device *netdev, if (changed & (NETIF_F_TSO | NETIF_F_TSO6)) adapter->flags |= FLAG_TSO_FORCE; - if (!(changed & (NETIF_F_HW_VLAN_RX | NETIF_F_HW_VLAN_TX | + if (!(changed & (NETIF_F_HW_VLAN_CTAG_RX | NETIF_F_HW_VLAN_CTAG_TX | NETIF_F_RXCSUM | NETIF_F_RXHASH | NETIF_F_RXFCS | NETIF_F_RXALL))) return 0; @@ -6629,8 +6629,8 @@ static int e1000_probe(struct pci_dev *pdev, const struct pci_device_id *ent) /* Set initial default active device features */ netdev->features = (NETIF_F_SG | - NETIF_F_HW_VLAN_RX | - NETIF_F_HW_VLAN_TX | + NETIF_F_HW_VLAN_CTAG_RX | + NETIF_F_HW_VLAN_CTAG_TX | NETIF_F_TSO | NETIF_F_TSO6 | NETIF_F_RXHASH | @@ -6644,7 +6644,7 @@ static int e1000_probe(struct pci_dev *pdev, const struct pci_device_id *ent) netdev->hw_features |= NETIF_F_RXALL; if (adapter->flags & FLAG_HAS_HW_VLAN_FILTER) - netdev->features |= NETIF_F_HW_VLAN_FILTER; + netdev->features |= NETIF_F_HW_VLAN_CTAG_FILTER; netdev->vlan_features |= (NETIF_F_SG | NETIF_F_TSO | diff --git a/drivers/net/ethernet/intel/igb/igb_main.c b/drivers/net/ethernet/intel/igb/igb_main.c index 38590252be64..b0b1777c0af6 100644 --- a/drivers/net/ethernet/intel/igb/igb_main.c +++ b/drivers/net/ethernet/intel/igb/igb_main.c @@ -1860,10 +1860,10 @@ static netdev_features_t igb_fix_features(struct net_device *netdev, /* Since there is no support for separate Rx/Tx vlan accel * enable/disable make sure Tx flag is always in same state as Rx. */ - if (features & NETIF_F_HW_VLAN_RX) - features |= NETIF_F_HW_VLAN_TX; + if (features & NETIF_F_HW_VLAN_CTAG_RX) + features |= NETIF_F_HW_VLAN_CTAG_TX; else - features &= ~NETIF_F_HW_VLAN_TX; + features &= ~NETIF_F_HW_VLAN_CTAG_TX; return features; } @@ -1874,7 +1874,7 @@ static int igb_set_features(struct net_device *netdev, netdev_features_t changed = netdev->features ^ features; struct igb_adapter *adapter = netdev_priv(netdev); - if (changed & NETIF_F_HW_VLAN_RX) + if (changed & NETIF_F_HW_VLAN_CTAG_RX) igb_vlan_mode(netdev, features); if (!(changed & NETIF_F_RXALL)) @@ -2127,15 +2127,15 @@ static int igb_probe(struct pci_dev *pdev, const struct pci_device_id *ent) NETIF_F_TSO6 | NETIF_F_RXHASH | NETIF_F_RXCSUM | - NETIF_F_HW_VLAN_RX | - NETIF_F_HW_VLAN_TX; + NETIF_F_HW_VLAN_CTAG_RX | + NETIF_F_HW_VLAN_CTAG_TX; /* copy netdev features into list of user selectable features */ netdev->hw_features |= netdev->features; netdev->hw_features |= NETIF_F_RXALL; /* set this bit last since it cannot be part of hw_features */ - netdev->features |= NETIF_F_HW_VLAN_FILTER; + netdev->features |= NETIF_F_HW_VLAN_CTAG_FILTER; netdev->vlan_features |= NETIF_F_TSO | NETIF_F_TSO6 | @@ -6674,7 +6674,7 @@ static void igb_process_skb_fields(struct igb_ring *rx_ring, igb_ptp_rx_hwtstamp(rx_ring->q_vector, rx_desc, skb); - if ((dev->features & NETIF_F_HW_VLAN_RX) && + if ((dev->features & NETIF_F_HW_VLAN_CTAG_RX) && igb_test_staterr(rx_desc, E1000_RXD_STAT_VP)) { u16 vid; if (igb_test_staterr(rx_desc, E1000_RXDEXT_STATERR_LB) && @@ -6954,7 +6954,7 @@ static void igb_vlan_mode(struct net_device *netdev, netdev_features_t features) struct igb_adapter *adapter = netdev_priv(netdev); struct e1000_hw *hw = &adapter->hw; u32 ctrl, rctl; - bool enable = !!(features & NETIF_F_HW_VLAN_RX); + bool enable = !!(features & NETIF_F_HW_VLAN_CTAG_RX); if (enable) { /* enable VLAN tag insert/strip */ diff --git a/drivers/net/ethernet/intel/igbvf/netdev.c b/drivers/net/ethernet/intel/igbvf/netdev.c index bea46bb26061..33e7b3069fb6 100644 --- a/drivers/net/ethernet/intel/igbvf/netdev.c +++ b/drivers/net/ethernet/intel/igbvf/netdev.c @@ -2722,9 +2722,9 @@ static int igbvf_probe(struct pci_dev *pdev, const struct pci_device_id *ent) NETIF_F_RXCSUM; netdev->features = netdev->hw_features | - NETIF_F_HW_VLAN_TX | - NETIF_F_HW_VLAN_RX | - NETIF_F_HW_VLAN_FILTER; + NETIF_F_HW_VLAN_CTAG_TX | + NETIF_F_HW_VLAN_CTAG_RX | + NETIF_F_HW_VLAN_CTAG_FILTER; if (pci_using_dac) netdev->features |= NETIF_F_HIGHDMA; diff --git a/drivers/net/ethernet/intel/ixgb/ixgb_main.c b/drivers/net/ethernet/intel/ixgb/ixgb_main.c index 5dc119fd95a8..e65d9e910227 100644 --- a/drivers/net/ethernet/intel/ixgb/ixgb_main.c +++ b/drivers/net/ethernet/intel/ixgb/ixgb_main.c @@ -332,8 +332,8 @@ ixgb_fix_features(struct net_device *netdev, netdev_features_t features) * Tx VLAN insertion does not work per HW design when Rx stripping is * disabled. */ - if (!(features & NETIF_F_HW_VLAN_RX)) - features &= ~NETIF_F_HW_VLAN_TX; + if (!(features & NETIF_F_HW_VLAN_CTAG_RX)) + features &= ~NETIF_F_HW_VLAN_CTAG_TX; return features; } @@ -344,7 +344,7 @@ ixgb_set_features(struct net_device *netdev, netdev_features_t features) struct ixgb_adapter *adapter = netdev_priv(netdev); netdev_features_t changed = features ^ netdev->features; - if (!(changed & (NETIF_F_RXCSUM|NETIF_F_HW_VLAN_RX))) + if (!(changed & (NETIF_F_RXCSUM|NETIF_F_HW_VLAN_CTAG_RX))) return 0; adapter->rx_csum = !!(features & NETIF_F_RXCSUM); @@ -479,10 +479,10 @@ ixgb_probe(struct pci_dev *pdev, const struct pci_device_id *ent) netdev->hw_features = NETIF_F_SG | NETIF_F_TSO | NETIF_F_HW_CSUM | - NETIF_F_HW_VLAN_TX | - NETIF_F_HW_VLAN_RX; + NETIF_F_HW_VLAN_CTAG_TX | + NETIF_F_HW_VLAN_CTAG_RX; netdev->features = netdev->hw_features | - NETIF_F_HW_VLAN_FILTER; + NETIF_F_HW_VLAN_CTAG_FILTER; netdev->hw_features |= NETIF_F_RXCSUM; if (pci_using_dac) { @@ -1140,7 +1140,7 @@ ixgb_set_multi(struct net_device *netdev) } alloc_failed: - if (netdev->features & NETIF_F_HW_VLAN_RX) + if (netdev->features & NETIF_F_HW_VLAN_CTAG_RX) ixgb_vlan_strip_enable(adapter); else ixgb_vlan_strip_disable(adapter); diff --git a/drivers/net/ethernet/intel/ixgbe/ixgbe_main.c b/drivers/net/ethernet/intel/ixgbe/ixgbe_main.c index c022f9c417a6..0316b65dfe06 100644 --- a/drivers/net/ethernet/intel/ixgbe/ixgbe_main.c +++ b/drivers/net/ethernet/intel/ixgbe/ixgbe_main.c @@ -1488,7 +1488,7 @@ static void ixgbe_process_skb_fields(struct ixgbe_ring *rx_ring, ixgbe_ptp_rx_hwtstamp(rx_ring, rx_desc, skb); - if ((dev->features & NETIF_F_HW_VLAN_RX) && + if ((dev->features & NETIF_F_HW_VLAN_CTAG_RX) && ixgbe_test_staterr(rx_desc, IXGBE_RXD_STAT_VP)) { u16 vid = le16_to_cpu(rx_desc->wb.upper.vlan); __vlan_hwaccel_put_tag(skb, vid); @@ -3722,7 +3722,7 @@ void ixgbe_set_rx_mode(struct net_device *netdev) IXGBE_WRITE_REG(hw, IXGBE_FCTRL, fctrl); - if (netdev->features & NETIF_F_HW_VLAN_RX) + if (netdev->features & NETIF_F_HW_VLAN_CTAG_RX) ixgbe_vlan_strip_enable(adapter); else ixgbe_vlan_strip_disable(adapter); @@ -7024,7 +7024,7 @@ static int ixgbe_set_features(struct net_device *netdev, break; } - if (features & NETIF_F_HW_VLAN_RX) + if (features & NETIF_F_HW_VLAN_CTAG_RX) ixgbe_vlan_strip_enable(adapter); else ixgbe_vlan_strip_disable(adapter); @@ -7431,9 +7431,9 @@ skip_sriov: netdev->features = NETIF_F_SG | NETIF_F_IP_CSUM | NETIF_F_IPV6_CSUM | - NETIF_F_HW_VLAN_TX | - NETIF_F_HW_VLAN_RX | - NETIF_F_HW_VLAN_FILTER | + NETIF_F_HW_VLAN_CTAG_TX | + NETIF_F_HW_VLAN_CTAG_RX | + NETIF_F_HW_VLAN_CTAG_FILTER | NETIF_F_TSO | NETIF_F_TSO6 | NETIF_F_RXHASH | diff --git a/drivers/net/ethernet/intel/ixgbe/ixgbe_sriov.c b/drivers/net/ethernet/intel/ixgbe/ixgbe_sriov.c index b3e6530637e3..2d4bdcc4fdbe 100644 --- a/drivers/net/ethernet/intel/ixgbe/ixgbe_sriov.c +++ b/drivers/net/ethernet/intel/ixgbe/ixgbe_sriov.c @@ -35,7 +35,7 @@ #include #include #include -#ifdef NETIF_F_HW_VLAN_TX +#ifdef NETIF_F_HW_VLAN_CTAG_TX #include #endif diff --git a/drivers/net/ethernet/intel/ixgbevf/ixgbevf_main.c b/drivers/net/ethernet/intel/ixgbevf/ixgbevf_main.c index eeae9349f78b..8f907b7af319 100644 --- a/drivers/net/ethernet/intel/ixgbevf/ixgbevf_main.c +++ b/drivers/net/ethernet/intel/ixgbevf/ixgbevf_main.c @@ -3410,9 +3410,9 @@ static int ixgbevf_probe(struct pci_dev *pdev, const struct pci_device_id *ent) NETIF_F_RXCSUM; netdev->features = netdev->hw_features | - NETIF_F_HW_VLAN_TX | - NETIF_F_HW_VLAN_RX | - NETIF_F_HW_VLAN_FILTER; + NETIF_F_HW_VLAN_CTAG_TX | + NETIF_F_HW_VLAN_CTAG_RX | + NETIF_F_HW_VLAN_CTAG_FILTER; netdev->vlan_features |= NETIF_F_TSO; netdev->vlan_features |= NETIF_F_TSO6; diff --git a/drivers/net/ethernet/jme.c b/drivers/net/ethernet/jme.c index 0519afa413d2..d28ce6f97172 100644 --- a/drivers/net/ethernet/jme.c +++ b/drivers/net/ethernet/jme.c @@ -3030,8 +3030,8 @@ jme_init_one(struct pci_dev *pdev, NETIF_F_SG | NETIF_F_TSO | NETIF_F_TSO6 | - NETIF_F_HW_VLAN_TX | - NETIF_F_HW_VLAN_RX; + NETIF_F_HW_VLAN_CTAG_TX | + NETIF_F_HW_VLAN_CTAG_RX; if (using_dac) netdev->features |= NETIF_F_HIGHDMA; diff --git a/drivers/net/ethernet/marvell/sky2.c b/drivers/net/ethernet/marvell/sky2.c index 6a0e671fcecd..bf9da1b7b090 100644 --- a/drivers/net/ethernet/marvell/sky2.c +++ b/drivers/net/ethernet/marvell/sky2.c @@ -1421,14 +1421,14 @@ static void sky2_vlan_mode(struct net_device *dev, netdev_features_t features) struct sky2_hw *hw = sky2->hw; u16 port = sky2->port; - if (features & NETIF_F_HW_VLAN_RX) + if (features & NETIF_F_HW_VLAN_CTAG_RX) sky2_write32(hw, SK_REG(port, RX_GMF_CTRL_T), RX_VLAN_STRIP_ON); else sky2_write32(hw, SK_REG(port, RX_GMF_CTRL_T), RX_VLAN_STRIP_OFF); - if (features & NETIF_F_HW_VLAN_TX) { + if (features & NETIF_F_HW_VLAN_CTAG_TX) { sky2_write32(hw, SK_REG(port, TX_GMF_CTRL_T), TX_VLAN_TAG_ON); @@ -4406,7 +4406,7 @@ static int sky2_set_features(struct net_device *dev, netdev_features_t features) if (changed & NETIF_F_RXHASH) rx_set_rss(dev, features); - if (changed & (NETIF_F_HW_VLAN_TX|NETIF_F_HW_VLAN_RX)) + if (changed & (NETIF_F_HW_VLAN_CTAG_TX|NETIF_F_HW_VLAN_CTAG_RX)) sky2_vlan_mode(dev, features); return 0; @@ -4793,7 +4793,8 @@ static struct net_device *sky2_init_netdev(struct sky2_hw *hw, unsigned port, dev->hw_features |= NETIF_F_RXHASH; if (!(hw->flags & SKY2_HW_VLAN_BROKEN)) { - dev->hw_features |= NETIF_F_HW_VLAN_TX | NETIF_F_HW_VLAN_RX; + dev->hw_features |= NETIF_F_HW_VLAN_CTAG_TX | + NETIF_F_HW_VLAN_CTAG_RX; dev->vlan_features |= SKY2_VLAN_OFFLOADS; } diff --git a/drivers/net/ethernet/mellanox/mlx4/en_netdev.c b/drivers/net/ethernet/mellanox/mlx4/en_netdev.c index d2a4f919bf1f..b2ba39c7143a 100644 --- a/drivers/net/ethernet/mellanox/mlx4/en_netdev.c +++ b/drivers/net/ethernet/mellanox/mlx4/en_netdev.c @@ -2082,8 +2082,8 @@ int mlx4_en_init_netdev(struct mlx4_en_dev *mdev, int port, dev->hw_features |= NETIF_F_RXCSUM | NETIF_F_RXHASH; dev->features = dev->hw_features | NETIF_F_HIGHDMA | - NETIF_F_HW_VLAN_TX | NETIF_F_HW_VLAN_RX | - NETIF_F_HW_VLAN_FILTER; + NETIF_F_HW_VLAN_CTAG_TX | NETIF_F_HW_VLAN_CTAG_RX | + NETIF_F_HW_VLAN_CTAG_FILTER; dev->hw_features |= NETIF_F_LOOPBACK; if (mdev->dev->caps.steering_mode == diff --git a/drivers/net/ethernet/myricom/myri10ge/myri10ge.c b/drivers/net/ethernet/myricom/myri10ge/myri10ge.c index d5ffdc8264eb..46262ea610fd 100644 --- a/drivers/net/ethernet/myricom/myri10ge/myri10ge.c +++ b/drivers/net/ethernet/myricom/myri10ge/myri10ge.c @@ -1281,7 +1281,8 @@ myri10ge_vlan_rx(struct net_device *dev, void *addr, struct sk_buff *skb) va = addr; va += MXGEFW_PAD; veh = (struct vlan_ethhdr *)va; - if ((dev->features & NETIF_F_HW_VLAN_RX) == NETIF_F_HW_VLAN_RX && + if ((dev->features & NETIF_F_HW_VLAN_CTAG_RX) == + NETIF_F_HW_VLAN_CTAG_RX && veh->h_vlan_proto == htons(ETH_P_8021Q)) { /* fixup csum if needed */ if (skb->ip_summed == CHECKSUM_COMPLETE) { @@ -3887,8 +3888,8 @@ static int myri10ge_probe(struct pci_dev *pdev, const struct pci_device_id *ent) netdev->mtu = myri10ge_initial_mtu; netdev->hw_features = mgp->features | NETIF_F_RXCSUM; - /* fake NETIF_F_HW_VLAN_RX for good GRO performance */ - netdev->hw_features |= NETIF_F_HW_VLAN_RX; + /* fake NETIF_F_HW_VLAN_CTAG_RX for good GRO performance */ + netdev->hw_features |= NETIF_F_HW_VLAN_CTAG_RX; netdev->features = netdev->hw_features; diff --git a/drivers/net/ethernet/natsemi/ns83820.c b/drivers/net/ethernet/natsemi/ns83820.c index 77c070de621e..60267e91cbda 100644 --- a/drivers/net/ethernet/natsemi/ns83820.c +++ b/drivers/net/ethernet/natsemi/ns83820.c @@ -2193,7 +2193,7 @@ static int ns83820_init_one(struct pci_dev *pci_dev, #ifdef NS83820_VLAN_ACCEL_SUPPORT /* We also support hardware vlan acceleration */ - ndev->features |= NETIF_F_HW_VLAN_TX | NETIF_F_HW_VLAN_RX; + ndev->features |= NETIF_F_HW_VLAN_CTAG_TX | NETIF_F_HW_VLAN_CTAG_RX; #endif if (using_dac) { diff --git a/drivers/net/ethernet/neterion/s2io.c b/drivers/net/ethernet/neterion/s2io.c index 3371ff41bb34..ec82d59b03ed 100644 --- a/drivers/net/ethernet/neterion/s2io.c +++ b/drivers/net/ethernet/neterion/s2io.c @@ -7920,7 +7920,7 @@ s2io_init_nic(struct pci_dev *pdev, const struct pci_device_id *pre) NETIF_F_TSO | NETIF_F_TSO6 | NETIF_F_RXCSUM | NETIF_F_LRO; dev->features |= dev->hw_features | - NETIF_F_HW_VLAN_TX | NETIF_F_HW_VLAN_RX; + NETIF_F_HW_VLAN_CTAG_TX | NETIF_F_HW_VLAN_CTAG_RX; if (sp->device_type & XFRAME_II_DEVICE) { dev->hw_features |= NETIF_F_UFO; if (ufo) diff --git a/drivers/net/ethernet/neterion/vxge/vxge-main.c b/drivers/net/ethernet/neterion/vxge/vxge-main.c index 794444e09492..e9e58aadf87e 100644 --- a/drivers/net/ethernet/neterion/vxge/vxge-main.c +++ b/drivers/net/ethernet/neterion/vxge/vxge-main.c @@ -3415,12 +3415,12 @@ static int vxge_device_register(struct __vxge_hw_device *hldev, ndev->hw_features = NETIF_F_RXCSUM | NETIF_F_SG | NETIF_F_IP_CSUM | NETIF_F_IPV6_CSUM | NETIF_F_TSO | NETIF_F_TSO6 | - NETIF_F_HW_VLAN_TX; + NETIF_F_HW_VLAN_CTAG_TX; if (vdev->config.rth_steering != NO_STEERING) ndev->hw_features |= NETIF_F_RXHASH; ndev->features |= ndev->hw_features | - NETIF_F_HW_VLAN_RX | NETIF_F_HW_VLAN_FILTER; + NETIF_F_HW_VLAN_CTAG_RX | NETIF_F_HW_VLAN_CTAG_FILTER; ndev->netdev_ops = &vxge_netdev_ops; diff --git a/drivers/net/ethernet/nvidia/forcedeth.c b/drivers/net/ethernet/nvidia/forcedeth.c index 5ae124719790..fcad64081d74 100644 --- a/drivers/net/ethernet/nvidia/forcedeth.c +++ b/drivers/net/ethernet/nvidia/forcedeth.c @@ -2961,11 +2961,11 @@ static int nv_rx_process_optimized(struct net_device *dev, int limit) vlanflags = le32_to_cpu(np->get_rx.ex->buflow); /* - * There's need to check for NETIF_F_HW_VLAN_RX here. - * Even if vlan rx accel is disabled, + * There's need to check for NETIF_F_HW_VLAN_CTAG_RX + * here. Even if vlan rx accel is disabled, * NV_RX3_VLAN_TAG_PRESENT is pseudo randomly set. */ - if (dev->features & NETIF_F_HW_VLAN_RX && + if (dev->features & NETIF_F_HW_VLAN_CTAG_RX && vlanflags & NV_RX3_VLAN_TAG_PRESENT) { u16 vid = vlanflags & NV_RX3_VLAN_TAG_MASK; @@ -4816,7 +4816,7 @@ static netdev_features_t nv_fix_features(struct net_device *dev, netdev_features_t features) { /* vlan is dependent on rx checksum offload */ - if (features & (NETIF_F_HW_VLAN_TX|NETIF_F_HW_VLAN_RX)) + if (features & (NETIF_F_HW_VLAN_CTAG_TX|NETIF_F_HW_VLAN_CTAG_RX)) features |= NETIF_F_RXCSUM; return features; @@ -4828,12 +4828,12 @@ static void nv_vlan_mode(struct net_device *dev, netdev_features_t features) spin_lock_irq(&np->lock); - if (features & NETIF_F_HW_VLAN_RX) + if (features & NETIF_F_HW_VLAN_CTAG_RX) np->txrxctl_bits |= NVREG_TXRXCTL_VLANSTRIP; else np->txrxctl_bits &= ~NVREG_TXRXCTL_VLANSTRIP; - if (features & NETIF_F_HW_VLAN_TX) + if (features & NETIF_F_HW_VLAN_CTAG_TX) np->txrxctl_bits |= NVREG_TXRXCTL_VLANINS; else np->txrxctl_bits &= ~NVREG_TXRXCTL_VLANINS; @@ -4870,7 +4870,7 @@ static int nv_set_features(struct net_device *dev, netdev_features_t features) spin_unlock_irq(&np->lock); } - if (changed & (NETIF_F_HW_VLAN_TX | NETIF_F_HW_VLAN_RX)) + if (changed & (NETIF_F_HW_VLAN_CTAG_TX | NETIF_F_HW_VLAN_CTAG_RX)) nv_vlan_mode(dev, features); return 0; @@ -5705,7 +5705,8 @@ static int nv_probe(struct pci_dev *pci_dev, const struct pci_device_id *id) np->vlanctl_bits = 0; if (id->driver_data & DEV_HAS_VLAN) { np->vlanctl_bits = NVREG_VLANCONTROL_ENABLE; - dev->hw_features |= NETIF_F_HW_VLAN_RX | NETIF_F_HW_VLAN_TX; + dev->hw_features |= NETIF_F_HW_VLAN_CTAG_RX | + NETIF_F_HW_VLAN_CTAG_TX; } dev->features |= dev->hw_features; @@ -5996,7 +5997,8 @@ static int nv_probe(struct pci_dev *pci_dev, const struct pci_device_id *id) dev->features & NETIF_F_HIGHDMA ? "highdma " : "", dev->features & (NETIF_F_IP_CSUM | NETIF_F_SG) ? "csum " : "", - dev->features & (NETIF_F_HW_VLAN_RX | NETIF_F_HW_VLAN_TX) ? + dev->features & (NETIF_F_HW_VLAN_CTAG_RX | + NETIF_F_HW_VLAN_CTAG_TX) ? "vlan " : "", dev->features & (NETIF_F_LOOPBACK) ? "loopback " : "", diff --git a/drivers/net/ethernet/qlogic/netxen/netxen_nic_main.c b/drivers/net/ethernet/qlogic/netxen/netxen_nic_main.c index 7867aebc05f2..af951f343ff6 100644 --- a/drivers/net/ethernet/qlogic/netxen/netxen_nic_main.c +++ b/drivers/net/ethernet/qlogic/netxen/netxen_nic_main.c @@ -1345,7 +1345,7 @@ netxen_setup_netdev(struct netxen_adapter *adapter, } if (adapter->capabilities & NX_FW_CAPABILITY_FVLANTX) - netdev->hw_features |= NETIF_F_HW_VLAN_TX; + netdev->hw_features |= NETIF_F_HW_VLAN_CTAG_TX; if (adapter->capabilities & NX_FW_CAPABILITY_HW_LRO) netdev->hw_features |= NETIF_F_LRO; diff --git a/drivers/net/ethernet/qlogic/qlcnic/qlcnic_main.c b/drivers/net/ethernet/qlogic/qlcnic/qlcnic_main.c index 0d00b2bd2c81..845ba1d1c3c9 100644 --- a/drivers/net/ethernet/qlogic/qlcnic/qlcnic_main.c +++ b/drivers/net/ethernet/qlogic/qlcnic/qlcnic_main.c @@ -1714,7 +1714,7 @@ qlcnic_setup_netdev(struct qlcnic_adapter *adapter, struct net_device *netdev, netdev->features |= (NETIF_F_SG | NETIF_F_IP_CSUM | NETIF_F_RXCSUM | NETIF_F_IPV6_CSUM | NETIF_F_GRO | - NETIF_F_HW_VLAN_RX); + NETIF_F_HW_VLAN_CTAG_RX); netdev->vlan_features |= (NETIF_F_SG | NETIF_F_IP_CSUM | NETIF_F_IPV6_CSUM); @@ -1729,7 +1729,7 @@ qlcnic_setup_netdev(struct qlcnic_adapter *adapter, struct net_device *netdev, } if (qlcnic_vlan_tx_check(adapter)) - netdev->features |= (NETIF_F_HW_VLAN_TX); + netdev->features |= (NETIF_F_HW_VLAN_CTAG_TX); if (adapter->ahw->capabilities & QLCNIC_FW_CAPABILITY_HW_LRO) netdev->features |= NETIF_F_LRO; diff --git a/drivers/net/ethernet/qlogic/qlge/qlge_main.c b/drivers/net/ethernet/qlogic/qlge/qlge_main.c index 1dd778a6f01e..8e3f43c75665 100644 --- a/drivers/net/ethernet/qlogic/qlge/qlge_main.c +++ b/drivers/net/ethernet/qlogic/qlge/qlge_main.c @@ -409,7 +409,7 @@ static int ql_set_mac_addr_reg(struct ql_adapter *qdev, u8 *addr, u32 type, (qdev-> func << CAM_OUT_FUNC_SHIFT) | (0 << CAM_OUT_CQ_ID_SHIFT)); - if (qdev->ndev->features & NETIF_F_HW_VLAN_RX) + if (qdev->ndev->features & NETIF_F_HW_VLAN_CTAG_RX) cam_output |= CAM_OUT_RV; /* route to NIC core */ ql_write32(qdev, MAC_ADDR_DATA, cam_output); @@ -2279,7 +2279,7 @@ static void qlge_vlan_mode(struct net_device *ndev, netdev_features_t features) { struct ql_adapter *qdev = netdev_priv(ndev); - if (features & NETIF_F_HW_VLAN_RX) { + if (features & NETIF_F_HW_VLAN_CTAG_RX) { ql_write32(qdev, NIC_RCV_CFG, NIC_RCV_CFG_VLAN_MASK | NIC_RCV_CFG_VLAN_MATCH_AND_NON); } else { @@ -2294,10 +2294,10 @@ static netdev_features_t qlge_fix_features(struct net_device *ndev, * Since there is no support for separate rx/tx vlan accel * enable/disable make sure tx flag is always in same state as rx. */ - if (features & NETIF_F_HW_VLAN_RX) - features |= NETIF_F_HW_VLAN_TX; + if (features & NETIF_F_HW_VLAN_CTAG_RX) + features |= NETIF_F_HW_VLAN_CTAG_TX; else - features &= ~NETIF_F_HW_VLAN_TX; + features &= ~NETIF_F_HW_VLAN_CTAG_TX; return features; } @@ -2307,7 +2307,7 @@ static int qlge_set_features(struct net_device *ndev, { netdev_features_t changed = ndev->features ^ features; - if (changed & NETIF_F_HW_VLAN_RX) + if (changed & NETIF_F_HW_VLAN_CTAG_RX) qlge_vlan_mode(ndev, features); return 0; @@ -4665,9 +4665,9 @@ static int qlge_probe(struct pci_dev *pdev, SET_NETDEV_DEV(ndev, &pdev->dev); ndev->hw_features = NETIF_F_SG | NETIF_F_IP_CSUM | NETIF_F_TSO | NETIF_F_TSO_ECN | - NETIF_F_HW_VLAN_TX | NETIF_F_RXCSUM; + NETIF_F_HW_VLAN_CTAG_TX | NETIF_F_RXCSUM; ndev->features = ndev->hw_features | - NETIF_F_HW_VLAN_RX | NETIF_F_HW_VLAN_FILTER; + NETIF_F_HW_VLAN_CTAG_RX | NETIF_F_HW_VLAN_CTAG_FILTER; ndev->vlan_features = ndev->hw_features; if (test_bit(QL_DMA64, &qdev->flags)) diff --git a/drivers/net/ethernet/realtek/8139cp.c b/drivers/net/ethernet/realtek/8139cp.c index b62a32484f6a..6d03b52e56f1 100644 --- a/drivers/net/ethernet/realtek/8139cp.c +++ b/drivers/net/ethernet/realtek/8139cp.c @@ -1438,7 +1438,7 @@ static int cp_set_features(struct net_device *dev, netdev_features_t features) else cp->cpcmd &= ~RxChkSum; - if (features & NETIF_F_HW_VLAN_RX) + if (features & NETIF_F_HW_VLAN_CTAG_RX) cp->cpcmd |= RxVlanOn; else cp->cpcmd &= ~RxVlanOn; @@ -1955,14 +1955,14 @@ static int cp_init_one (struct pci_dev *pdev, const struct pci_device_id *ent) dev->ethtool_ops = &cp_ethtool_ops; dev->watchdog_timeo = TX_TIMEOUT; - dev->features |= NETIF_F_HW_VLAN_TX | NETIF_F_HW_VLAN_RX; + dev->features |= NETIF_F_HW_VLAN_CTAG_TX | NETIF_F_HW_VLAN_CTAG_RX; if (pci_using_dac) dev->features |= NETIF_F_HIGHDMA; /* disabled by default until verified */ dev->hw_features |= NETIF_F_SG | NETIF_F_IP_CSUM | NETIF_F_TSO | - NETIF_F_HW_VLAN_TX | NETIF_F_HW_VLAN_RX; + NETIF_F_HW_VLAN_CTAG_TX | NETIF_F_HW_VLAN_CTAG_RX; dev->vlan_features = NETIF_F_SG | NETIF_F_IP_CSUM | NETIF_F_TSO | NETIF_F_HIGHDMA; diff --git a/drivers/net/ethernet/realtek/r8169.c b/drivers/net/ethernet/realtek/r8169.c index 9a1bc1a23854..86d5d7909d10 100644 --- a/drivers/net/ethernet/realtek/r8169.c +++ b/drivers/net/ethernet/realtek/r8169.c @@ -1793,16 +1793,17 @@ static void __rtl8169_set_features(struct net_device *dev, netdev_features_t changed = features ^ dev->features; void __iomem *ioaddr = tp->mmio_addr; - if (!(changed & (NETIF_F_RXALL | NETIF_F_RXCSUM | NETIF_F_HW_VLAN_RX))) + if (!(changed & (NETIF_F_RXALL | NETIF_F_RXCSUM | + NETIF_F_HW_VLAN_CTAG_RX))) return; - if (changed & (NETIF_F_RXCSUM | NETIF_F_HW_VLAN_RX)) { + if (changed & (NETIF_F_RXCSUM | NETIF_F_HW_VLAN_CTAG_RX)) { if (features & NETIF_F_RXCSUM) tp->cp_cmd |= RxChkSum; else tp->cp_cmd &= ~RxChkSum; - if (dev->features & NETIF_F_HW_VLAN_RX) + if (dev->features & NETIF_F_HW_VLAN_CTAG_RX) tp->cp_cmd |= RxVlan; else tp->cp_cmd &= ~RxVlan; @@ -7036,16 +7037,17 @@ rtl_init_one(struct pci_dev *pdev, const struct pci_device_id *ent) /* don't enable SG, IP_CSUM and TSO by default - it might not work * properly for all devices */ dev->features |= NETIF_F_RXCSUM | - NETIF_F_HW_VLAN_TX | NETIF_F_HW_VLAN_RX; + NETIF_F_HW_VLAN_CTAG_TX | NETIF_F_HW_VLAN_CTAG_RX; dev->hw_features = NETIF_F_SG | NETIF_F_IP_CSUM | NETIF_F_TSO | - NETIF_F_RXCSUM | NETIF_F_HW_VLAN_TX | NETIF_F_HW_VLAN_RX; + NETIF_F_RXCSUM | NETIF_F_HW_VLAN_CTAG_TX | + NETIF_F_HW_VLAN_CTAG_RX; dev->vlan_features = NETIF_F_SG | NETIF_F_IP_CSUM | NETIF_F_TSO | NETIF_F_HIGHDMA; if (tp->mac_version == RTL_GIGA_MAC_VER_05) /* 8110SCd requires hardware Rx VLAN - disallow toggling */ - dev->hw_features &= ~NETIF_F_HW_VLAN_RX; + dev->hw_features &= ~NETIF_F_HW_VLAN_CTAG_RX; dev->hw_features |= NETIF_F_RXALL; dev->hw_features |= NETIF_F_RXFCS; diff --git a/drivers/net/ethernet/renesas/sh_eth.c b/drivers/net/ethernet/renesas/sh_eth.c index a7499cbf4503..3d4a1ed0a7ab 100644 --- a/drivers/net/ethernet/renesas/sh_eth.c +++ b/drivers/net/ethernet/renesas/sh_eth.c @@ -2749,7 +2749,7 @@ static int sh_eth_drv_probe(struct platform_device *pdev) goto out_release; } mdp->port = devno % 2; - ndev->features = NETIF_F_HW_VLAN_FILTER; + ndev->features = NETIF_F_HW_VLAN_CTAG_FILTER; } /* initialize first or needed device */ diff --git a/drivers/net/ethernet/stmicro/stmmac/stmmac_main.c b/drivers/net/ethernet/stmicro/stmmac/stmmac_main.c index 71b64857e3a6..618446ae1ec1 100644 --- a/drivers/net/ethernet/stmicro/stmmac/stmmac_main.c +++ b/drivers/net/ethernet/stmicro/stmmac/stmmac_main.c @@ -2679,7 +2679,7 @@ struct stmmac_priv *stmmac_dvr_probe(struct device *device, ndev->watchdog_timeo = msecs_to_jiffies(watchdog); #ifdef STMMAC_VLAN_TAG_USED /* Both mac100 and gmac support receive VLAN tag detection */ - ndev->features |= NETIF_F_HW_VLAN_RX; + ndev->features |= NETIF_F_HW_VLAN_CTAG_RX; #endif priv->msg_enable = netif_msg_init(debug, default_msg_level); diff --git a/drivers/net/ethernet/tehuti/tehuti.c b/drivers/net/ethernet/tehuti/tehuti.c index e8824cea093b..5ca4b33fc4c1 100644 --- a/drivers/net/ethernet/tehuti/tehuti.c +++ b/drivers/net/ethernet/tehuti/tehuti.c @@ -2017,12 +2017,12 @@ bdx_probe(struct pci_dev *pdev, const struct pci_device_id *ent) * so we can have them same for all ports of the board */ ndev->if_port = port; ndev->features = NETIF_F_IP_CSUM | NETIF_F_SG | NETIF_F_TSO - | NETIF_F_HW_VLAN_TX | NETIF_F_HW_VLAN_RX | - NETIF_F_HW_VLAN_FILTER | NETIF_F_RXCSUM + | NETIF_F_HW_VLAN_CTAG_TX | NETIF_F_HW_VLAN_CTAG_RX | + NETIF_F_HW_VLAN_CTAG_FILTER | NETIF_F_RXCSUM /*| NETIF_F_FRAGLIST */ ; ndev->hw_features = NETIF_F_IP_CSUM | NETIF_F_SG | - NETIF_F_TSO | NETIF_F_HW_VLAN_TX; + NETIF_F_TSO | NETIF_F_HW_VLAN_CTAG_TX; if (pci_using_dac) ndev->features |= NETIF_F_HIGHDMA; diff --git a/drivers/net/ethernet/ti/cpsw.c b/drivers/net/ethernet/ti/cpsw.c index 1d740423a053..084992981cef 100644 --- a/drivers/net/ethernet/ti/cpsw.c +++ b/drivers/net/ethernet/ti/cpsw.c @@ -1599,7 +1599,7 @@ static int cpsw_probe_dual_emac(struct platform_device *pdev, priv_sl2->num_irqs = priv->num_irqs; } - ndev->features |= NETIF_F_HW_VLAN_FILTER; + ndev->features |= NETIF_F_HW_VLAN_CTAG_FILTER; ndev->netdev_ops = &cpsw_netdev_ops; SET_ETHTOOL_OPS(ndev, &cpsw_ethtool_ops); @@ -1837,7 +1837,7 @@ static int cpsw_probe(struct platform_device *pdev) k++; } - ndev->features |= NETIF_F_HW_VLAN_FILTER; + ndev->features |= NETIF_F_HW_VLAN_CTAG_FILTER; ndev->netdev_ops = &cpsw_netdev_ops; SET_ETHTOOL_OPS(ndev, &cpsw_ethtool_ops); diff --git a/drivers/net/ethernet/toshiba/spider_net.c b/drivers/net/ethernet/toshiba/spider_net.c index fef6b59e69c9..c655fe60121e 100644 --- a/drivers/net/ethernet/toshiba/spider_net.c +++ b/drivers/net/ethernet/toshiba/spider_net.c @@ -2329,8 +2329,8 @@ spider_net_setup_netdev(struct spider_net_card *card) if (SPIDER_NET_RX_CSUM_DEFAULT) netdev->features |= NETIF_F_RXCSUM; netdev->features |= NETIF_F_IP_CSUM | NETIF_F_LLTX; - /* some time: NETIF_F_HW_VLAN_TX | NETIF_F_HW_VLAN_RX | - * NETIF_F_HW_VLAN_FILTER */ + /* some time: NETIF_F_HW_VLAN_CTAG_TX | NETIF_F_HW_VLAN_CTAG_RX | + * NETIF_F_HW_VLAN_CTAG_FILTER */ netdev->irq = card->pdev->irq; card->num_rx_ints = 0; diff --git a/drivers/net/ethernet/via/via-rhine.c b/drivers/net/ethernet/via/via-rhine.c index 185c721c52d7..37b02c3768be 100644 --- a/drivers/net/ethernet/via/via-rhine.c +++ b/drivers/net/ethernet/via/via-rhine.c @@ -1026,8 +1026,9 @@ static int rhine_init_one(struct pci_dev *pdev, const struct pci_device_id *ent) dev->features |= NETIF_F_SG|NETIF_F_HW_CSUM; if (pdev->revision >= VT6105M) - dev->features |= NETIF_F_HW_VLAN_TX | NETIF_F_HW_VLAN_RX | - NETIF_F_HW_VLAN_FILTER; + dev->features |= NETIF_F_HW_VLAN_CTAG_TX | + NETIF_F_HW_VLAN_CTAG_RX | + NETIF_F_HW_VLAN_CTAG_FILTER; /* dev->name not defined before register_netdev()! */ rc = register_netdev(dev); diff --git a/drivers/net/ethernet/via/via-velocity.c b/drivers/net/ethernet/via/via-velocity.c index 1bc7f9fd2583..c1c55a7da941 100644 --- a/drivers/net/ethernet/via/via-velocity.c +++ b/drivers/net/ethernet/via/via-velocity.c @@ -2810,9 +2810,10 @@ static int velocity_found1(struct pci_dev *pdev, dev->ethtool_ops = &velocity_ethtool_ops; netif_napi_add(dev, &vptr->napi, velocity_poll, VELOCITY_NAPI_WEIGHT); - dev->hw_features = NETIF_F_IP_CSUM | NETIF_F_SG | NETIF_F_HW_VLAN_TX; - dev->features |= NETIF_F_HW_VLAN_TX | NETIF_F_HW_VLAN_FILTER | - NETIF_F_HW_VLAN_RX | NETIF_F_IP_CSUM; + dev->hw_features = NETIF_F_IP_CSUM | NETIF_F_SG | + NETIF_F_HW_VLAN_CTAG_TX; + dev->features |= NETIF_F_HW_VLAN_CTAG_TX | NETIF_F_HW_VLAN_CTAG_FILTER | + NETIF_F_HW_VLAN_CTAG_RX | NETIF_F_IP_CSUM; ret = register_netdev(dev); if (ret < 0) diff --git a/drivers/net/ethernet/xilinx/ll_temac_main.c b/drivers/net/ethernet/xilinx/ll_temac_main.c index 4a7c60f4c83d..57c2e5ef2804 100644 --- a/drivers/net/ethernet/xilinx/ll_temac_main.c +++ b/drivers/net/ethernet/xilinx/ll_temac_main.c @@ -1018,9 +1018,9 @@ static int temac_of_probe(struct platform_device *op) ndev->features |= NETIF_F_HW_CSUM; /* Can checksum all the packets. */ ndev->features |= NETIF_F_IPV6_CSUM; /* Can checksum IPV6 TCP/UDP */ ndev->features |= NETIF_F_HIGHDMA; /* Can DMA to high memory. */ - ndev->features |= NETIF_F_HW_VLAN_TX; /* Transmit VLAN hw accel */ - ndev->features |= NETIF_F_HW_VLAN_RX; /* Receive VLAN hw acceleration */ - ndev->features |= NETIF_F_HW_VLAN_FILTER; /* Receive VLAN filtering */ + ndev->features |= NETIF_F_HW_VLAN_CTAG_TX; /* Transmit VLAN hw accel */ + ndev->features |= NETIF_F_HW_VLAN_CTAG_RX; /* Receive VLAN hw acceleration */ + ndev->features |= NETIF_F_HW_VLAN_CTAG_FILTER; /* Receive VLAN filtering */ ndev->features |= NETIF_F_VLAN_CHALLENGED; /* cannot handle VLAN pkts */ ndev->features |= NETIF_F_GSO; /* Enable software GSO. */ ndev->features |= NETIF_F_MULTI_QUEUE; /* Has multiple TX/RX queues */ diff --git a/drivers/net/hyperv/netvsc_drv.c b/drivers/net/hyperv/netvsc_drv.c index 5f85205cd12b..4559bb8115bf 100644 --- a/drivers/net/hyperv/netvsc_drv.c +++ b/drivers/net/hyperv/netvsc_drv.c @@ -431,7 +431,7 @@ static int netvsc_probe(struct hv_device *dev, /* TODO: Add GSO and Checksum offload */ net->hw_features = NETIF_F_SG; - net->features = NETIF_F_SG | NETIF_F_HW_VLAN_TX; + net->features = NETIF_F_SG | NETIF_F_HW_VLAN_CTAG_TX; SET_ETHTOOL_OPS(net, ðtool_ops); SET_NETDEV_DEV(net, &dev->device); diff --git a/drivers/net/ifb.c b/drivers/net/ifb.c index 82164381f778..724ce7a36c9b 100644 --- a/drivers/net/ifb.c +++ b/drivers/net/ifb.c @@ -166,7 +166,7 @@ static const struct net_device_ops ifb_netdev_ops = { #define IFB_FEATURES (NETIF_F_HW_CSUM | NETIF_F_SG | NETIF_F_FRAGLIST | \ NETIF_F_TSO_ECN | NETIF_F_TSO | NETIF_F_TSO6 | \ - NETIF_F_HIGHDMA | NETIF_F_HW_VLAN_TX) + NETIF_F_HIGHDMA | NETIF_F_HW_VLAN_CTAG_TX) static void ifb_setup(struct net_device *dev) { diff --git a/drivers/net/macvlan.c b/drivers/net/macvlan.c index 70af6dc07d40..fedd34cff91c 100644 --- a/drivers/net/macvlan.c +++ b/drivers/net/macvlan.c @@ -471,7 +471,7 @@ static struct lock_class_key macvlan_netdev_addr_lock_key; (NETIF_F_SG | NETIF_F_ALL_CSUM | NETIF_F_HIGHDMA | NETIF_F_FRAGLIST | \ NETIF_F_GSO | NETIF_F_TSO | NETIF_F_UFO | NETIF_F_GSO_ROBUST | \ NETIF_F_TSO_ECN | NETIF_F_TSO6 | NETIF_F_GRO | NETIF_F_RXCSUM | \ - NETIF_F_HW_VLAN_FILTER) + NETIF_F_HW_VLAN_CTAG_FILTER) #define MACVLAN_STATE_MASK \ ((1<<__LINK_STATE_NOCARRIER) | (1<<__LINK_STATE_DORMANT)) diff --git a/drivers/net/team/team.c b/drivers/net/team/team.c index 9a31e8e50fac..9290eb23d664 100644 --- a/drivers/net/team/team.c +++ b/drivers/net/team/team.c @@ -1841,9 +1841,9 @@ static void team_setup(struct net_device *dev) dev->features |= NETIF_F_LLTX; dev->features |= NETIF_F_GRO; dev->hw_features = TEAM_VLAN_FEATURES | - NETIF_F_HW_VLAN_TX | - NETIF_F_HW_VLAN_RX | - NETIF_F_HW_VLAN_FILTER; + NETIF_F_HW_VLAN_CTAG_TX | + NETIF_F_HW_VLAN_CTAG_RX | + NETIF_F_HW_VLAN_CTAG_FILTER; dev->hw_features &= ~(NETIF_F_ALL_CSUM & ~NETIF_F_HW_CSUM); dev->features |= dev->hw_features; diff --git a/drivers/net/usb/cdc_mbim.c b/drivers/net/usb/cdc_mbim.c index 16c842997291..b7e9cd7ca6d5 100644 --- a/drivers/net/usb/cdc_mbim.c +++ b/drivers/net/usb/cdc_mbim.c @@ -101,7 +101,7 @@ static int cdc_mbim_bind(struct usbnet *dev, struct usb_interface *intf) dev->net->flags |= IFF_NOARP; /* no need to put the VLAN tci in the packet headers */ - dev->net->features |= NETIF_F_HW_VLAN_TX; + dev->net->features |= NETIF_F_HW_VLAN_CTAG_TX; err: return ret; } diff --git a/drivers/net/veth.c b/drivers/net/veth.c index 07a4af0aa3dc..f116c593d879 100644 --- a/drivers/net/veth.c +++ b/drivers/net/veth.c @@ -255,7 +255,7 @@ static const struct net_device_ops veth_netdev_ops = { #define VETH_FEATURES (NETIF_F_SG | NETIF_F_FRAGLIST | NETIF_F_ALL_TSO | \ NETIF_F_HW_CSUM | NETIF_F_RXCSUM | NETIF_F_HIGHDMA | \ - NETIF_F_HW_VLAN_TX | NETIF_F_HW_VLAN_RX) + NETIF_F_HW_VLAN_CTAG_TX | NETIF_F_HW_VLAN_CTAG_RX) static void veth_setup(struct net_device *dev) { diff --git a/drivers/net/virtio_net.c b/drivers/net/virtio_net.c index 8fdfde6832ab..b61d57ab3c63 100644 --- a/drivers/net/virtio_net.c +++ b/drivers/net/virtio_net.c @@ -1376,7 +1376,7 @@ static int virtnet_find_vqs(struct virtnet_info *vi) if (vi->has_cvq) { vi->cvq = vqs[total_vqs - 1]; if (virtio_has_feature(vi->vdev, VIRTIO_NET_F_CTRL_VLAN)) - vi->dev->features |= NETIF_F_HW_VLAN_FILTER; + vi->dev->features |= NETIF_F_HW_VLAN_CTAG_FILTER; } for (i = 0; i < vi->max_queue_pairs; i++) { diff --git a/drivers/net/vmxnet3/vmxnet3_drv.c b/drivers/net/vmxnet3/vmxnet3_drv.c index eae7a03d4f9b..ba9bdad39986 100644 --- a/drivers/net/vmxnet3/vmxnet3_drv.c +++ b/drivers/net/vmxnet3/vmxnet3_drv.c @@ -2107,7 +2107,7 @@ vmxnet3_setup_driver_shared(struct vmxnet3_adapter *adapter) devRead->misc.uptFeatures |= UPT1_F_LRO; devRead->misc.maxNumRxSG = cpu_to_le16(1 + MAX_SKB_FRAGS); } - if (adapter->netdev->features & NETIF_F_HW_VLAN_RX) + if (adapter->netdev->features & NETIF_F_HW_VLAN_CTAG_RX) devRead->misc.uptFeatures |= UPT1_F_RXVLAN; devRead->misc.mtu = cpu_to_le32(adapter->netdev->mtu); @@ -2669,14 +2669,15 @@ vmxnet3_declare_features(struct vmxnet3_adapter *adapter, bool dma64) struct net_device *netdev = adapter->netdev; netdev->hw_features = NETIF_F_SG | NETIF_F_RXCSUM | - NETIF_F_HW_CSUM | NETIF_F_HW_VLAN_TX | - NETIF_F_HW_VLAN_RX | NETIF_F_TSO | NETIF_F_TSO6 | + NETIF_F_HW_CSUM | NETIF_F_HW_VLAN_CTAG_TX | + NETIF_F_HW_VLAN_CTAG_RX | NETIF_F_TSO | NETIF_F_TSO6 | NETIF_F_LRO; if (dma64) netdev->hw_features |= NETIF_F_HIGHDMA; netdev->vlan_features = netdev->hw_features & - ~(NETIF_F_HW_VLAN_TX | NETIF_F_HW_VLAN_RX); - netdev->features = netdev->hw_features | NETIF_F_HW_VLAN_FILTER; + ~(NETIF_F_HW_VLAN_CTAG_TX | + NETIF_F_HW_VLAN_CTAG_RX); + netdev->features = netdev->hw_features | NETIF_F_HW_VLAN_CTAG_FILTER; } diff --git a/drivers/net/vmxnet3/vmxnet3_ethtool.c b/drivers/net/vmxnet3/vmxnet3_ethtool.c index 63a124340cbe..600ab56c0008 100644 --- a/drivers/net/vmxnet3/vmxnet3_ethtool.c +++ b/drivers/net/vmxnet3/vmxnet3_ethtool.c @@ -263,7 +263,8 @@ int vmxnet3_set_features(struct net_device *netdev, netdev_features_t features) unsigned long flags; netdev_features_t changed = features ^ netdev->features; - if (changed & (NETIF_F_RXCSUM | NETIF_F_LRO | NETIF_F_HW_VLAN_RX)) { + if (changed & (NETIF_F_RXCSUM | NETIF_F_LRO | + NETIF_F_HW_VLAN_CTAG_RX)) { if (features & NETIF_F_RXCSUM) adapter->shared->devRead.misc.uptFeatures |= UPT1_F_RXCSUM; @@ -279,7 +280,7 @@ int vmxnet3_set_features(struct net_device *netdev, netdev_features_t features) adapter->shared->devRead.misc.uptFeatures &= ~UPT1_F_LRO; - if (features & NETIF_F_HW_VLAN_RX) + if (features & NETIF_F_HW_VLAN_CTAG_RX) adapter->shared->devRead.misc.uptFeatures |= UPT1_F_RXVLAN; else diff --git a/drivers/s390/net/qeth_l2_main.c b/drivers/s390/net/qeth_l2_main.c index d690166efeaf..90ddd823605c 100644 --- a/drivers/s390/net/qeth_l2_main.c +++ b/drivers/s390/net/qeth_l2_main.c @@ -959,7 +959,7 @@ static int qeth_l2_setup_netdev(struct qeth_card *card) SET_ETHTOOL_OPS(card->dev, &qeth_l2_ethtool_ops); else SET_ETHTOOL_OPS(card->dev, &qeth_l2_osn_ops); - card->dev->features |= NETIF_F_HW_VLAN_FILTER; + card->dev->features |= NETIF_F_HW_VLAN_CTAG_FILTER; card->info.broadcast_capable = 1; qeth_l2_request_initial_mac(card); SET_NETDEV_DEV(card->dev, &card->gdev->dev); diff --git a/drivers/s390/net/qeth_l3_main.c b/drivers/s390/net/qeth_l3_main.c index 8710337dab3e..04261bc08f20 100644 --- a/drivers/s390/net/qeth_l3_main.c +++ b/drivers/s390/net/qeth_l3_main.c @@ -3294,9 +3294,9 @@ static int qeth_l3_setup_netdev(struct qeth_card *card) card->dev->watchdog_timeo = QETH_TX_TIMEOUT; card->dev->mtu = card->info.initial_mtu; SET_ETHTOOL_OPS(card->dev, &qeth_l3_ethtool_ops); - card->dev->features |= NETIF_F_HW_VLAN_TX | - NETIF_F_HW_VLAN_RX | - NETIF_F_HW_VLAN_FILTER; + card->dev->features |= NETIF_F_HW_VLAN_CTAG_TX | + NETIF_F_HW_VLAN_CTAG_RX | + NETIF_F_HW_VLAN_CTAG_FILTER; card->dev->priv_flags &= ~IFF_XMIT_DST_RELEASE; card->dev->gso_max_size = 15 * PAGE_SIZE; diff --git a/drivers/scsi/fcoe/fcoe.c b/drivers/scsi/fcoe/fcoe.c index 9bfdc9a3f897..292b24f9bf93 100644 --- a/drivers/scsi/fcoe/fcoe.c +++ b/drivers/scsi/fcoe/fcoe.c @@ -1655,7 +1655,7 @@ static int fcoe_xmit(struct fc_lport *lport, struct fc_frame *fp) skb->priority = fcoe->priority; if (fcoe->netdev->priv_flags & IFF_802_1Q_VLAN && - fcoe->realdev->features & NETIF_F_HW_VLAN_TX) { + fcoe->realdev->features & NETIF_F_HW_VLAN_CTAG_TX) { skb->vlan_tci = VLAN_TAG_PRESENT | vlan_dev_vlan_id(fcoe->netdev); skb->dev = fcoe->realdev; diff --git a/include/linux/if_vlan.h b/include/linux/if_vlan.h index 70962f3fdb79..fee28291a824 100644 --- a/include/linux/if_vlan.h +++ b/include/linux/if_vlan.h @@ -238,7 +238,7 @@ static inline struct sk_buff *__vlan_hwaccel_put_tag(struct sk_buff *skb, */ static inline struct sk_buff *vlan_put_tag(struct sk_buff *skb, u16 vlan_tci) { - if (skb->dev->features & NETIF_F_HW_VLAN_TX) { + if (skb->dev->features & NETIF_F_HW_VLAN_CTAG_TX) { return __vlan_hwaccel_put_tag(skb, vlan_tci); } else { return __vlan_put_tag(skb, vlan_tci); @@ -294,7 +294,7 @@ static inline int __vlan_hwaccel_get_tag(const struct sk_buff *skb, */ static inline int vlan_get_tag(const struct sk_buff *skb, u16 *vlan_tci) { - if (skb->dev->features & NETIF_F_HW_VLAN_TX) { + if (skb->dev->features & NETIF_F_HW_VLAN_CTAG_TX) { return __vlan_hwaccel_get_tag(skb, vlan_tci); } else { return __vlan_get_tag(skb, vlan_tci); diff --git a/include/linux/netdev_features.h b/include/linux/netdev_features.h index d6ee2d008ee4..785913b8983d 100644 --- a/include/linux/netdev_features.h +++ b/include/linux/netdev_features.h @@ -22,9 +22,9 @@ enum { NETIF_F_IPV6_CSUM_BIT, /* Can checksum TCP/UDP over IPV6 */ NETIF_F_HIGHDMA_BIT, /* Can DMA to high memory. */ NETIF_F_FRAGLIST_BIT, /* Scatter/gather IO. */ - NETIF_F_HW_VLAN_TX_BIT, /* Transmit VLAN hw acceleration */ - NETIF_F_HW_VLAN_RX_BIT, /* Receive VLAN hw acceleration */ - NETIF_F_HW_VLAN_FILTER_BIT, /* Receive filtering on VLAN */ + NETIF_F_HW_VLAN_CTAG_TX_BIT, /* Transmit VLAN CTAG HW acceleration */ + NETIF_F_HW_VLAN_CTAG_RX_BIT, /* Receive VLAN CTAG HW acceleration */ + NETIF_F_HW_VLAN_CTAG_FILTER_BIT,/* Receive filtering on VLAN CTAGs */ NETIF_F_VLAN_CHALLENGED_BIT, /* Device cannot handle VLAN packets */ NETIF_F_GSO_BIT, /* Enable software GSO. */ NETIF_F_LLTX_BIT, /* LockLess TX - deprecated. Please */ @@ -80,9 +80,9 @@ enum { #define NETIF_F_GSO_ROBUST __NETIF_F(GSO_ROBUST) #define NETIF_F_HIGHDMA __NETIF_F(HIGHDMA) #define NETIF_F_HW_CSUM __NETIF_F(HW_CSUM) -#define NETIF_F_HW_VLAN_FILTER __NETIF_F(HW_VLAN_FILTER) -#define NETIF_F_HW_VLAN_RX __NETIF_F(HW_VLAN_RX) -#define NETIF_F_HW_VLAN_TX __NETIF_F(HW_VLAN_TX) +#define NETIF_F_HW_VLAN_CTAG_FILTER __NETIF_F(HW_VLAN_CTAG_FILTER) +#define NETIF_F_HW_VLAN_CTAG_RX __NETIF_F(HW_VLAN_CTAG_RX) +#define NETIF_F_HW_VLAN_CTAG_TX __NETIF_F(HW_VLAN_CTAG_TX) #define NETIF_F_IP_CSUM __NETIF_F(IP_CSUM) #define NETIF_F_IPV6_CSUM __NETIF_F(IPV6_CSUM) #define NETIF_F_LLTX __NETIF_F(LLTX) diff --git a/include/linux/netdevice.h b/include/linux/netdevice.h index 623b57b52195..7eb7e03ee417 100644 --- a/include/linux/netdevice.h +++ b/include/linux/netdevice.h @@ -785,11 +785,13 @@ struct netdev_fcoe_hbainfo { * neither operation. * * int (*ndo_vlan_rx_add_vid)(struct net_device *dev, unsigned short vid); - * If device support VLAN filtering (dev->features & NETIF_F_HW_VLAN_FILTER) + * If device support VLAN filtering (dev->features & + * NETIF_F_HW_VLAN_CTAG_FILTER) * this function is called when a VLAN id is registered. * * int (*ndo_vlan_rx_kill_vid)(struct net_device *dev, unsigned short vid); - * If device support VLAN filtering (dev->features & NETIF_F_HW_VLAN_FILTER) + * If device support VLAN filtering (dev->features & + * NETIF_F_HW_VLAN_CTAG_FILTER) * this function is called when a VLAN id is unregistered. * * void (*ndo_poll_controller)(struct net_device *dev); diff --git a/net/8021q/vlan.c b/net/8021q/vlan.c index 85addcd9372b..d913feed0757 100644 --- a/net/8021q/vlan.c +++ b/net/8021q/vlan.c @@ -301,7 +301,7 @@ static void vlan_transfer_features(struct net_device *dev, { vlandev->gso_max_size = dev->gso_max_size; - if (dev->features & NETIF_F_HW_VLAN_TX) + if (dev->features & NETIF_F_HW_VLAN_CTAG_TX) vlandev->hard_header_len = dev->hard_header_len; else vlandev->hard_header_len = dev->hard_header_len + VLAN_HLEN; @@ -347,7 +347,7 @@ static int vlan_device_event(struct notifier_block *unused, unsigned long event, __vlan_device_event(dev, event); if ((event == NETDEV_UP) && - (dev->features & NETIF_F_HW_VLAN_FILTER)) { + (dev->features & NETIF_F_HW_VLAN_CTAG_FILTER)) { pr_info("adding VLAN 0 to HW filter on device %s\n", dev->name); vlan_vid_add(dev, 0); @@ -415,7 +415,7 @@ static int vlan_device_event(struct notifier_block *unused, unsigned long event, break; case NETDEV_DOWN: - if (dev->features & NETIF_F_HW_VLAN_FILTER) + if (dev->features & NETIF_F_HW_VLAN_CTAG_FILTER) vlan_vid_del(dev, 0); /* Put all VLANs for this dev in the down state too. */ diff --git a/net/8021q/vlan_core.c b/net/8021q/vlan_core.c index f3b6f515eba6..3df29d344704 100644 --- a/net/8021q/vlan_core.c +++ b/net/8021q/vlan_core.c @@ -225,7 +225,7 @@ static int __vlan_vid_add(struct vlan_info *vlan_info, unsigned short vid, if (!vid_info) return -ENOMEM; - if (dev->features & NETIF_F_HW_VLAN_FILTER) { + if (dev->features & NETIF_F_HW_VLAN_CTAG_FILTER) { err = ops->ndo_vlan_rx_add_vid(dev, vid); if (err) { kfree(vid_info); @@ -282,7 +282,7 @@ static void __vlan_vid_del(struct vlan_info *vlan_info, unsigned short vid = vid_info->vid; int err; - if (dev->features & NETIF_F_HW_VLAN_FILTER) { + if (dev->features & NETIF_F_HW_VLAN_CTAG_FILTER) { err = ops->ndo_vlan_rx_kill_vid(dev, vid); if (err) { pr_warn("failed to kill vid %d for device %s\n", diff --git a/net/8021q/vlan_dev.c b/net/8021q/vlan_dev.c index 19cf81bf9f69..5c4892a86410 100644 --- a/net/8021q/vlan_dev.c +++ b/net/8021q/vlan_dev.c @@ -583,7 +583,7 @@ static int vlan_dev_init(struct net_device *dev) #endif dev->needed_headroom = real_dev->needed_headroom; - if (real_dev->features & NETIF_F_HW_VLAN_TX) { + if (real_dev->features & NETIF_F_HW_VLAN_CTAG_TX) { dev->header_ops = real_dev->header_ops; dev->hard_header_len = real_dev->hard_header_len; } else { diff --git a/net/bridge/br_device.c b/net/bridge/br_device.c index 314c73ed418f..967312803e41 100644 --- a/net/bridge/br_device.c +++ b/net/bridge/br_device.c @@ -348,10 +348,10 @@ void br_dev_setup(struct net_device *dev) dev->features = NETIF_F_SG | NETIF_F_FRAGLIST | NETIF_F_HIGHDMA | NETIF_F_GSO_MASK | NETIF_F_HW_CSUM | NETIF_F_LLTX | - NETIF_F_NETNS_LOCAL | NETIF_F_HW_VLAN_TX; + NETIF_F_NETNS_LOCAL | NETIF_F_HW_VLAN_CTAG_TX; dev->hw_features = NETIF_F_SG | NETIF_F_FRAGLIST | NETIF_F_HIGHDMA | NETIF_F_GSO_MASK | NETIF_F_HW_CSUM | - NETIF_F_HW_VLAN_TX; + NETIF_F_HW_VLAN_CTAG_TX; br->dev = dev; spin_lock_init(&br->lock); diff --git a/net/bridge/br_vlan.c b/net/bridge/br_vlan.c index 93dde75923f0..0b3dbbec80d0 100644 --- a/net/bridge/br_vlan.c +++ b/net/bridge/br_vlan.c @@ -54,7 +54,7 @@ static int __vlan_add(struct net_port_vlans *v, u16 vid, u16 flags) dev = br->dev; } - if (p && (dev->features & NETIF_F_HW_VLAN_FILTER)) { + if (p && (dev->features & NETIF_F_HW_VLAN_CTAG_FILTER)) { /* Add VLAN to the device filter if it is supported. * Stricly speaking, this is not necessary now, since * devices are made promiscuous by the bridge, but if @@ -82,7 +82,7 @@ static int __vlan_add(struct net_port_vlans *v, u16 vid, u16 flags) return 0; out_filt: - if (p && (dev->features & NETIF_F_HW_VLAN_FILTER)) + if (p && (dev->features & NETIF_F_HW_VLAN_CTAG_FILTER)) dev->netdev_ops->ndo_vlan_rx_kill_vid(dev, vid); return err; } @@ -98,7 +98,7 @@ static int __vlan_del(struct net_port_vlans *v, u16 vid) if (v->port_idx && vid) { struct net_device *dev = v->parent.port->dev; - if (dev->features & NETIF_F_HW_VLAN_FILTER) + if (dev->features & NETIF_F_HW_VLAN_CTAG_FILTER) dev->netdev_ops->ndo_vlan_rx_kill_vid(dev, vid); } diff --git a/net/core/dev.c b/net/core/dev.c index 3655ff927315..07a8e9dc43fc 100644 --- a/net/core/dev.c +++ b/net/core/dev.c @@ -2435,13 +2435,13 @@ netdev_features_t netif_skb_features(struct sk_buff *skb) return harmonize_features(skb, protocol, features); } - features &= (skb->dev->vlan_features | NETIF_F_HW_VLAN_TX); + features &= (skb->dev->vlan_features | NETIF_F_HW_VLAN_CTAG_TX); if (protocol != htons(ETH_P_8021Q)) { return harmonize_features(skb, protocol, features); } else { features &= NETIF_F_SG | NETIF_F_HIGHDMA | NETIF_F_FRAGLIST | - NETIF_F_GEN_CSUM | NETIF_F_HW_VLAN_TX; + NETIF_F_GEN_CSUM | NETIF_F_HW_VLAN_CTAG_TX; return harmonize_features(skb, protocol, features); } } @@ -2482,7 +2482,7 @@ int dev_hard_start_xmit(struct sk_buff *skb, struct net_device *dev, features = netif_skb_features(skb); if (vlan_tx_tag_present(skb) && - !(features & NETIF_F_HW_VLAN_TX)) { + !(features & NETIF_F_HW_VLAN_CTAG_TX)) { skb = __vlan_put_tag(skb, vlan_tx_tag_get(skb)); if (unlikely(!skb)) goto out; @@ -5180,7 +5180,8 @@ int register_netdevice(struct net_device *dev) } } - if (((dev->hw_features | dev->features) & NETIF_F_HW_VLAN_FILTER) && + if (((dev->hw_features | dev->features) & + NETIF_F_HW_VLAN_CTAG_FILTER) && (!dev->netdev_ops->ndo_vlan_rx_add_vid || !dev->netdev_ops->ndo_vlan_rx_kill_vid)) { netdev_WARN(dev, "Buggy VLAN acceleration in driver!\n"); diff --git a/net/core/ethtool.c b/net/core/ethtool.c index adc1351e6873..b87712cfd26c 100644 --- a/net/core/ethtool.c +++ b/net/core/ethtool.c @@ -60,10 +60,10 @@ static const char netdev_features_strings[NETDEV_FEATURE_COUNT][ETH_GSTRING_LEN] [NETIF_F_IPV6_CSUM_BIT] = "tx-checksum-ipv6", [NETIF_F_HIGHDMA_BIT] = "highdma", [NETIF_F_FRAGLIST_BIT] = "tx-scatter-gather-fraglist", - [NETIF_F_HW_VLAN_TX_BIT] = "tx-vlan-hw-insert", + [NETIF_F_HW_VLAN_CTAG_TX_BIT] = "tx-vlan-ctag-hw-insert", - [NETIF_F_HW_VLAN_RX_BIT] = "rx-vlan-hw-parse", - [NETIF_F_HW_VLAN_FILTER_BIT] = "rx-vlan-filter", + [NETIF_F_HW_VLAN_CTAG_RX_BIT] = "rx-vlan-ctag-hw-parse", + [NETIF_F_HW_VLAN_CTAG_FILTER_BIT] = "rx-vlan-ctag-filter", [NETIF_F_VLAN_CHALLENGED_BIT] = "vlan-challenged", [NETIF_F_GSO_BIT] = "tx-generic-segmentation", [NETIF_F_LLTX_BIT] = "tx-lockless", @@ -267,18 +267,19 @@ static int ethtool_set_one_feature(struct net_device *dev, #define ETH_ALL_FLAGS (ETH_FLAG_LRO | ETH_FLAG_RXVLAN | ETH_FLAG_TXVLAN | \ ETH_FLAG_NTUPLE | ETH_FLAG_RXHASH) -#define ETH_ALL_FEATURES (NETIF_F_LRO | NETIF_F_HW_VLAN_RX | \ - NETIF_F_HW_VLAN_TX | NETIF_F_NTUPLE | NETIF_F_RXHASH) +#define ETH_ALL_FEATURES (NETIF_F_LRO | NETIF_F_HW_VLAN_CTAG_RX | \ + NETIF_F_HW_VLAN_CTAG_TX | NETIF_F_NTUPLE | \ + NETIF_F_RXHASH) static u32 __ethtool_get_flags(struct net_device *dev) { u32 flags = 0; - if (dev->features & NETIF_F_LRO) flags |= ETH_FLAG_LRO; - if (dev->features & NETIF_F_HW_VLAN_RX) flags |= ETH_FLAG_RXVLAN; - if (dev->features & NETIF_F_HW_VLAN_TX) flags |= ETH_FLAG_TXVLAN; - if (dev->features & NETIF_F_NTUPLE) flags |= ETH_FLAG_NTUPLE; - if (dev->features & NETIF_F_RXHASH) flags |= ETH_FLAG_RXHASH; + if (dev->features & NETIF_F_LRO) flags |= ETH_FLAG_LRO; + if (dev->features & NETIF_F_HW_VLAN_CTAG_RX) flags |= ETH_FLAG_RXVLAN; + if (dev->features & NETIF_F_HW_VLAN_CTAG_TX) flags |= ETH_FLAG_TXVLAN; + if (dev->features & NETIF_F_NTUPLE) flags |= ETH_FLAG_NTUPLE; + if (dev->features & NETIF_F_RXHASH) flags |= ETH_FLAG_RXHASH; return flags; } @@ -291,8 +292,8 @@ static int __ethtool_set_flags(struct net_device *dev, u32 data) return -EINVAL; if (data & ETH_FLAG_LRO) features |= NETIF_F_LRO; - if (data & ETH_FLAG_RXVLAN) features |= NETIF_F_HW_VLAN_RX; - if (data & ETH_FLAG_TXVLAN) features |= NETIF_F_HW_VLAN_TX; + if (data & ETH_FLAG_RXVLAN) features |= NETIF_F_HW_VLAN_CTAG_RX; + if (data & ETH_FLAG_TXVLAN) features |= NETIF_F_HW_VLAN_CTAG_TX; if (data & ETH_FLAG_NTUPLE) features |= NETIF_F_NTUPLE; if (data & ETH_FLAG_RXHASH) features |= NETIF_F_RXHASH; diff --git a/net/core/netpoll.c b/net/core/netpoll.c index a3a17aed3639..8de961e67cf7 100644 --- a/net/core/netpoll.c +++ b/net/core/netpoll.c @@ -383,7 +383,7 @@ void netpoll_send_skb_on_dev(struct netpoll *np, struct sk_buff *skb, if (__netif_tx_trylock(txq)) { if (!netif_xmit_stopped(txq)) { if (vlan_tx_tag_present(skb) && - !(netif_skb_features(skb) & NETIF_F_HW_VLAN_TX)) { + !(netif_skb_features(skb) & NETIF_F_HW_VLAN_CTAG_TX)) { skb = __vlan_put_tag(skb, vlan_tx_tag_get(skb)); if (unlikely(!skb)) break; diff --git a/net/openvswitch/vport-internal_dev.c b/net/openvswitch/vport-internal_dev.c index 9604760494b1..73682de8dc69 100644 --- a/net/openvswitch/vport-internal_dev.c +++ b/net/openvswitch/vport-internal_dev.c @@ -137,7 +137,7 @@ static void do_setup(struct net_device *netdev) NETIF_F_HIGHDMA | NETIF_F_HW_CSUM | NETIF_F_TSO; netdev->vlan_features = netdev->features; - netdev->features |= NETIF_F_HW_VLAN_TX; + netdev->features |= NETIF_F_HW_VLAN_CTAG_TX; netdev->hw_features = netdev->features & ~NETIF_F_LLTX; eth_hw_addr_random(netdev); } -- cgit v1.2.3 From 86a9bad3ab6b6f858fd4443b48738cabbb6d094c Mon Sep 17 00:00:00 2001 From: Patrick McHardy Date: Fri, 19 Apr 2013 02:04:30 +0000 Subject: net: vlan: add protocol argument to packet tagging functions Add a protocol argument to the VLAN packet tagging functions. In case of HW tagging, we need that protocol available in the ndo_start_xmit functions, so it is stored in a new field in the skb. The new field fits into a hole (on 64 bit) and doesn't increase the sks's size. Signed-off-by: Patrick McHardy Signed-off-by: David S. Miller --- drivers/infiniband/hw/nes/nes_hw.c | 2 +- drivers/net/bonding/bond_alb.c | 4 +-- drivers/net/ethernet/3com/typhoon.c | 2 +- drivers/net/ethernet/adaptec/starfire.c | 2 +- drivers/net/ethernet/alteon/acenic.c | 2 +- drivers/net/ethernet/amd/amd8111e.c | 2 +- drivers/net/ethernet/atheros/atl1c/atl1c_main.c | 2 +- drivers/net/ethernet/atheros/atl1e/atl1e_main.c | 2 +- drivers/net/ethernet/atheros/atlx/atl1.c | 2 +- drivers/net/ethernet/atheros/atlx/atl2.c | 2 +- drivers/net/ethernet/broadcom/bnx2.c | 2 +- drivers/net/ethernet/broadcom/bnx2x/bnx2x_cmn.c | 4 +-- drivers/net/ethernet/broadcom/tg3.c | 2 +- drivers/net/ethernet/brocade/bna/bnad.c | 2 +- drivers/net/ethernet/chelsio/cxgb/sge.c | 2 +- drivers/net/ethernet/chelsio/cxgb3/sge.c | 4 +-- drivers/net/ethernet/chelsio/cxgb4/sge.c | 4 +-- drivers/net/ethernet/chelsio/cxgb4vf/sge.c | 5 ++-- drivers/net/ethernet/cisco/enic/enic_main.c | 2 +- drivers/net/ethernet/emulex/benet/be_main.c | 6 ++--- drivers/net/ethernet/intel/e1000/e1000_main.c | 2 +- drivers/net/ethernet/intel/e1000e/netdev.c | 2 +- drivers/net/ethernet/intel/igb/igb_main.c | 2 +- drivers/net/ethernet/intel/igbvf/netdev.c | 2 +- drivers/net/ethernet/intel/ixgb/ixgb_main.c | 4 +-- drivers/net/ethernet/intel/ixgbe/ixgbe_main.c | 2 +- drivers/net/ethernet/intel/ixgbevf/ixgbevf_main.c | 2 +- drivers/net/ethernet/jme.c | 2 +- drivers/net/ethernet/marvell/sky2.c | 2 +- drivers/net/ethernet/mellanox/mlx4/en_rx.c | 4 +-- drivers/net/ethernet/myricom/myri10ge/myri10ge.c | 2 +- drivers/net/ethernet/natsemi/ns83820.c | 2 +- drivers/net/ethernet/neterion/s2io.c | 2 +- drivers/net/ethernet/neterion/vxge/vxge-main.c | 2 +- drivers/net/ethernet/nvidia/forcedeth.c | 2 +- drivers/net/ethernet/qlogic/qlcnic/qlcnic_io.c | 8 +++--- drivers/net/ethernet/qlogic/qlge/qlge_main.c | 8 +++--- drivers/net/ethernet/realtek/8139cp.c | 2 +- drivers/net/ethernet/realtek/r8169.c | 2 +- drivers/net/ethernet/tehuti/tehuti.c | 2 +- drivers/net/ethernet/via/via-rhine.c | 2 +- drivers/net/ethernet/via/via-velocity.c | 2 +- drivers/net/usb/cdc_mbim.c | 2 +- drivers/net/vmxnet3/vmxnet3_drv.c | 2 +- include/linux/if_vlan.h | 33 ++++++++++++++++------- include/linux/skbuff.h | 2 ++ net/8021q/vlan_core.c | 8 +++--- net/8021q/vlan_dev.c | 2 +- net/batman-adv/bridge_loop_avoidance.c | 2 +- net/bridge/br_netfilter.c | 2 +- net/bridge/br_vlan.c | 4 +-- net/core/dev.c | 5 ++-- net/core/netpoll.c | 5 ++-- net/core/skbuff.c | 1 + net/openvswitch/actions.c | 6 ++--- net/openvswitch/datapath.c | 2 +- 56 files changed, 107 insertions(+), 84 deletions(-) (limited to 'net/core') diff --git a/drivers/infiniband/hw/nes/nes_hw.c b/drivers/infiniband/hw/nes/nes_hw.c index 67647e264611..418004c93feb 100644 --- a/drivers/infiniband/hw/nes/nes_hw.c +++ b/drivers/infiniband/hw/nes/nes_hw.c @@ -2948,7 +2948,7 @@ void nes_nic_ce_handler(struct nes_device *nesdev, struct nes_hw_nic_cq *cq) nes_debug(NES_DBG_CQ, "%s: Reporting stripped VLAN packet. Tag = 0x%04X\n", nesvnic->netdev->name, vlan_tag); - __vlan_hwaccel_put_tag(rx_skb, vlan_tag); + __vlan_hwaccel_put_tag(rx_skb, htons(ETH_P_8021Q), vlan_tag); } if (nes_use_lro) lro_receive_skb(&nesvnic->lro_mgr, rx_skb, NULL); diff --git a/drivers/net/bonding/bond_alb.c b/drivers/net/bonding/bond_alb.c index f5e052723029..e02cc265723a 100644 --- a/drivers/net/bonding/bond_alb.c +++ b/drivers/net/bonding/bond_alb.c @@ -514,7 +514,7 @@ static void rlb_update_client(struct rlb_client_info *client_info) skb->dev = client_info->slave->dev; if (client_info->tag) { - skb = vlan_put_tag(skb, client_info->vlan_id); + skb = vlan_put_tag(skb, htons(ETH_P_8021Q), client_info->vlan_id); if (!skb) { pr_err("%s: Error: failed to insert VLAN tag\n", client_info->slave->bond->dev->name); @@ -1014,7 +1014,7 @@ static void alb_send_learning_packets(struct slave *slave, u8 mac_addr[]) continue; } - skb = vlan_put_tag(skb, vlan->vlan_id); + skb = vlan_put_tag(skb, htons(ETH_P_8021Q), vlan->vlan_id); if (!skb) { pr_err("%s: Error: failed to insert VLAN tag\n", bond->dev->name); diff --git a/drivers/net/ethernet/3com/typhoon.c b/drivers/net/ethernet/3com/typhoon.c index 839a96213742..144942f6372b 100644 --- a/drivers/net/ethernet/3com/typhoon.c +++ b/drivers/net/ethernet/3com/typhoon.c @@ -1690,7 +1690,7 @@ typhoon_rx(struct typhoon *tp, struct basic_ring *rxRing, volatile __le32 * read skb_checksum_none_assert(new_skb); if (rx->rxStatus & TYPHOON_RX_VLAN) - __vlan_hwaccel_put_tag(new_skb, + __vlan_hwaccel_put_tag(new_skb, htons(ETH_P_8021Q), ntohl(rx->vlanTag) & 0xffff); netif_receive_skb(new_skb); diff --git a/drivers/net/ethernet/adaptec/starfire.c b/drivers/net/ethernet/adaptec/starfire.c index cdbc5443ae3b..8b04bfc20cfb 100644 --- a/drivers/net/ethernet/adaptec/starfire.c +++ b/drivers/net/ethernet/adaptec/starfire.c @@ -1498,7 +1498,7 @@ static int __netdev_rx(struct net_device *dev, int *quota) printk(KERN_DEBUG " netdev_rx() vlanid = %d\n", vlid); } - __vlan_hwaccel_put_tag(skb, vlid); + __vlan_hwaccel_put_tag(skb, htons(ETH_P_8021Q), vlid); } #endif /* VLAN_SUPPORT */ netif_receive_skb(skb); diff --git a/drivers/net/ethernet/alteon/acenic.c b/drivers/net/ethernet/alteon/acenic.c index a7689d931053..b7894f8af9d1 100644 --- a/drivers/net/ethernet/alteon/acenic.c +++ b/drivers/net/ethernet/alteon/acenic.c @@ -2019,7 +2019,7 @@ static void ace_rx_int(struct net_device *dev, u32 rxretprd, u32 rxretcsm) /* send it up */ if ((bd_flags & BD_FLG_VLAN_TAG)) - __vlan_hwaccel_put_tag(skb, retdesc->vlan); + __vlan_hwaccel_put_tag(skb, htons(ETH_P_8021Q), retdesc->vlan); netif_rx(skb); dev->stats.rx_packets++; diff --git a/drivers/net/ethernet/amd/amd8111e.c b/drivers/net/ethernet/amd/amd8111e.c index 6bad84d6e2c4..8e6b665a6726 100644 --- a/drivers/net/ethernet/amd/amd8111e.c +++ b/drivers/net/ethernet/amd/amd8111e.c @@ -793,7 +793,7 @@ static int amd8111e_rx_poll(struct napi_struct *napi, int budget) #if AMD8111E_VLAN_TAG_USED if (vtag == TT_VLAN_TAGGED){ u16 vlan_tag = le16_to_cpu(lp->rx_ring[rx_index].tag_ctrl_info); - __vlan_hwaccel_put_tag(skb, vlan_tag); + __vlan_hwaccel_put_tag(skb, htons(ETH_P_8021Q), vlan_tag); } #endif netif_receive_skb(skb); diff --git a/drivers/net/ethernet/atheros/atl1c/atl1c_main.c b/drivers/net/ethernet/atheros/atl1c/atl1c_main.c index 3565255cdd81..0ba900762b13 100644 --- a/drivers/net/ethernet/atheros/atl1c/atl1c_main.c +++ b/drivers/net/ethernet/atheros/atl1c/atl1c_main.c @@ -1809,7 +1809,7 @@ rrs_checked: AT_TAG_TO_VLAN(rrs->vlan_tag, vlan); vlan = le16_to_cpu(vlan); - __vlan_hwaccel_put_tag(skb, vlan); + __vlan_hwaccel_put_tag(skb, htons(ETH_P_8021Q), vlan); } netif_receive_skb(skb); diff --git a/drivers/net/ethernet/atheros/atl1e/atl1e_main.c b/drivers/net/ethernet/atheros/atl1e/atl1e_main.c index 598a61151668..0688bb82b442 100644 --- a/drivers/net/ethernet/atheros/atl1e/atl1e_main.c +++ b/drivers/net/ethernet/atheros/atl1e/atl1e_main.c @@ -1435,7 +1435,7 @@ static void atl1e_clean_rx_irq(struct atl1e_adapter *adapter, u8 que, netdev_dbg(netdev, "RXD VLAN TAG=0x%04x\n", prrs->vtag); - __vlan_hwaccel_put_tag(skb, vlan_tag); + __vlan_hwaccel_put_tag(skb, htons(ETH_P_8021Q), vlan_tag); } netif_receive_skb(skb); diff --git a/drivers/net/ethernet/atheros/atlx/atl1.c b/drivers/net/ethernet/atheros/atlx/atl1.c index fd7d85044e4a..fa0915f3999b 100644 --- a/drivers/net/ethernet/atheros/atlx/atl1.c +++ b/drivers/net/ethernet/atheros/atlx/atl1.c @@ -2024,7 +2024,7 @@ rrd_ok: ((rrd->vlan_tag & 7) << 13) | ((rrd->vlan_tag & 8) << 9); - __vlan_hwaccel_put_tag(skb, vlan_tag); + __vlan_hwaccel_put_tag(skb, htons(ETH_P_8021Q), vlan_tag); } netif_receive_skb(skb); diff --git a/drivers/net/ethernet/atheros/atlx/atl2.c b/drivers/net/ethernet/atheros/atlx/atl2.c index 6b2c08a89b7e..265ce1b752ed 100644 --- a/drivers/net/ethernet/atheros/atlx/atl2.c +++ b/drivers/net/ethernet/atheros/atlx/atl2.c @@ -452,7 +452,7 @@ static void atl2_intr_rx(struct atl2_adapter *adapter) ((rxd->status.vtag&7) << 13) | ((rxd->status.vtag&8) << 9); - __vlan_hwaccel_put_tag(skb, vlan_tag); + __vlan_hwaccel_put_tag(skb, htons(ETH_P_8021Q), vlan_tag); } netif_rx(skb); netdev->stats.rx_bytes += rx_size; diff --git a/drivers/net/ethernet/broadcom/bnx2.c b/drivers/net/ethernet/broadcom/bnx2.c index 42a8bc8df5dd..5d204492c603 100644 --- a/drivers/net/ethernet/broadcom/bnx2.c +++ b/drivers/net/ethernet/broadcom/bnx2.c @@ -3211,7 +3211,7 @@ bnx2_rx_int(struct bnx2 *bp, struct bnx2_napi *bnapi, int budget) } if ((status & L2_FHDR_STATUS_L2_VLAN_TAG) && !(bp->rx_mode & BNX2_EMAC_RX_MODE_KEEP_VLAN_TAG)) - __vlan_hwaccel_put_tag(skb, rx_hdr->l2_fhdr_vlan_tag); + __vlan_hwaccel_put_tag(skb, htons(ETH_P_8021Q), rx_hdr->l2_fhdr_vlan_tag); skb->protocol = eth_type_trans(skb, bp->dev); diff --git a/drivers/net/ethernet/broadcom/bnx2x/bnx2x_cmn.c b/drivers/net/ethernet/broadcom/bnx2x/bnx2x_cmn.c index 352e58ede4d5..6b50443d3456 100644 --- a/drivers/net/ethernet/broadcom/bnx2x/bnx2x_cmn.c +++ b/drivers/net/ethernet/broadcom/bnx2x/bnx2x_cmn.c @@ -719,7 +719,7 @@ static void bnx2x_tpa_stop(struct bnx2x *bp, struct bnx2x_fastpath *fp, if (!bnx2x_fill_frag_skb(bp, fp, tpa_info, pages, skb, cqe, cqe_idx)) { if (tpa_info->parsing_flags & PARSING_FLAGS_VLAN) - __vlan_hwaccel_put_tag(skb, tpa_info->vlan_tag); + __vlan_hwaccel_put_tag(skb, htons(ETH_P_8021Q), tpa_info->vlan_tag); bnx2x_gro_receive(bp, fp, skb); } else { DP(NETIF_MSG_RX_STATUS, @@ -994,7 +994,7 @@ reuse_rx: if (le16_to_cpu(cqe_fp->pars_flags.flags) & PARSING_FLAGS_VLAN) - __vlan_hwaccel_put_tag(skb, + __vlan_hwaccel_put_tag(skb, htons(ETH_P_8021Q), le16_to_cpu(cqe_fp->vlan_tag)); napi_gro_receive(&fp->napi, skb); diff --git a/drivers/net/ethernet/broadcom/tg3.c b/drivers/net/ethernet/broadcom/tg3.c index 0c22c9a059c4..ac83c87e0b1b 100644 --- a/drivers/net/ethernet/broadcom/tg3.c +++ b/drivers/net/ethernet/broadcom/tg3.c @@ -6715,7 +6715,7 @@ static int tg3_rx(struct tg3_napi *tnapi, int budget) if (desc->type_flags & RXD_FLAG_VLAN && !(tp->rx_mode & RX_MODE_KEEP_VLAN_TAG)) - __vlan_hwaccel_put_tag(skb, + __vlan_hwaccel_put_tag(skb, htons(ETH_P_8021Q), desc->err_vlan & RXD_VLAN_MASK); napi_gro_receive(&tnapi->napi, skb); diff --git a/drivers/net/ethernet/brocade/bna/bnad.c b/drivers/net/ethernet/brocade/bna/bnad.c index c0bc44e51fa9..ce4a030d3d0c 100644 --- a/drivers/net/ethernet/brocade/bna/bnad.c +++ b/drivers/net/ethernet/brocade/bna/bnad.c @@ -610,7 +610,7 @@ bnad_cq_process(struct bnad *bnad, struct bna_ccb *ccb, int budget) rcb->rxq->rx_bytes += length; if (flags & BNA_CQ_EF_VLAN) - __vlan_hwaccel_put_tag(skb, ntohs(cmpl->vlan_tag)); + __vlan_hwaccel_put_tag(skb, htons(ETH_P_8021Q), ntohs(cmpl->vlan_tag)); if (BNAD_RXBUF_IS_PAGE(unmap_q->type)) napi_gro_frags(&rx_ctrl->napi); diff --git a/drivers/net/ethernet/chelsio/cxgb/sge.c b/drivers/net/ethernet/chelsio/cxgb/sge.c index f85e0659432b..8061fb0ef7ed 100644 --- a/drivers/net/ethernet/chelsio/cxgb/sge.c +++ b/drivers/net/ethernet/chelsio/cxgb/sge.c @@ -1386,7 +1386,7 @@ static void sge_rx(struct sge *sge, struct freelQ *fl, unsigned int len) if (p->vlan_valid) { st->vlan_xtract++; - __vlan_hwaccel_put_tag(skb, ntohs(p->vlan)); + __vlan_hwaccel_put_tag(skb, htons(ETH_P_8021Q), ntohs(p->vlan)); } netif_receive_skb(skb); } diff --git a/drivers/net/ethernet/chelsio/cxgb3/sge.c b/drivers/net/ethernet/chelsio/cxgb3/sge.c index 9d67eb794c4b..f12e6b85a653 100644 --- a/drivers/net/ethernet/chelsio/cxgb3/sge.c +++ b/drivers/net/ethernet/chelsio/cxgb3/sge.c @@ -2030,7 +2030,7 @@ static void rx_eth(struct adapter *adap, struct sge_rspq *rq, if (p->vlan_valid) { qs->port_stats[SGE_PSTAT_VLANEX]++; - __vlan_hwaccel_put_tag(skb, ntohs(p->vlan)); + __vlan_hwaccel_put_tag(skb, htons(ETH_P_8021Q), ntohs(p->vlan)); } if (rq->polling) { if (lro) @@ -2132,7 +2132,7 @@ static void lro_add_page(struct adapter *adap, struct sge_qset *qs, if (cpl->vlan_valid) { qs->port_stats[SGE_PSTAT_VLANEX]++; - __vlan_hwaccel_put_tag(skb, ntohs(cpl->vlan)); + __vlan_hwaccel_put_tag(skb, htons(ETH_P_8021Q), ntohs(cpl->vlan)); } napi_gro_frags(&qs->napi); } diff --git a/drivers/net/ethernet/chelsio/cxgb4/sge.c b/drivers/net/ethernet/chelsio/cxgb4/sge.c index 8b47b253e204..2bfbb206b35a 100644 --- a/drivers/net/ethernet/chelsio/cxgb4/sge.c +++ b/drivers/net/ethernet/chelsio/cxgb4/sge.c @@ -1633,7 +1633,7 @@ static void do_gro(struct sge_eth_rxq *rxq, const struct pkt_gl *gl, skb->rxhash = (__force u32)pkt->rsshdr.hash_val; if (unlikely(pkt->vlan_ex)) { - __vlan_hwaccel_put_tag(skb, ntohs(pkt->vlan)); + __vlan_hwaccel_put_tag(skb, htons(ETH_P_8021Q), ntohs(pkt->vlan)); rxq->stats.vlan_ex++; } ret = napi_gro_frags(&rxq->rspq.napi); @@ -1705,7 +1705,7 @@ int t4_ethrx_handler(struct sge_rspq *q, const __be64 *rsp, skb_checksum_none_assert(skb); if (unlikely(pkt->vlan_ex)) { - __vlan_hwaccel_put_tag(skb, ntohs(pkt->vlan)); + __vlan_hwaccel_put_tag(skb, htons(ETH_P_8021Q), ntohs(pkt->vlan)); rxq->stats.vlan_ex++; } netif_receive_skb(skb); diff --git a/drivers/net/ethernet/chelsio/cxgb4vf/sge.c b/drivers/net/ethernet/chelsio/cxgb4vf/sge.c index 61dfb2a47929..df296af20bd5 100644 --- a/drivers/net/ethernet/chelsio/cxgb4vf/sge.c +++ b/drivers/net/ethernet/chelsio/cxgb4vf/sge.c @@ -1482,7 +1482,8 @@ static void do_gro(struct sge_eth_rxq *rxq, const struct pkt_gl *gl, skb_record_rx_queue(skb, rxq->rspq.idx); if (pkt->vlan_ex) { - __vlan_hwaccel_put_tag(skb, be16_to_cpu(pkt->vlan)); + __vlan_hwaccel_put_tag(skb, cpu_to_be16(ETH_P_8021Q), + be16_to_cpu(pkt->vlan)); rxq->stats.vlan_ex++; } ret = napi_gro_frags(&rxq->rspq.napi); @@ -1551,7 +1552,7 @@ int t4vf_ethrx_handler(struct sge_rspq *rspq, const __be64 *rsp, if (pkt->vlan_ex) { rxq->stats.vlan_ex++; - __vlan_hwaccel_put_tag(skb, be16_to_cpu(pkt->vlan)); + __vlan_hwaccel_put_tag(skb, htons(ETH_P_8021Q), be16_to_cpu(pkt->vlan)); } netif_receive_skb(skb); diff --git a/drivers/net/ethernet/cisco/enic/enic_main.c b/drivers/net/ethernet/cisco/enic/enic_main.c index 05c1e59b6bff..635f55992d7e 100644 --- a/drivers/net/ethernet/cisco/enic/enic_main.c +++ b/drivers/net/ethernet/cisco/enic/enic_main.c @@ -1300,7 +1300,7 @@ static void enic_rq_indicate_buf(struct vnic_rq *rq, } if (vlan_stripped) - __vlan_hwaccel_put_tag(skb, vlan_tci); + __vlan_hwaccel_put_tag(skb, htons(ETH_P_8021Q), vlan_tci); if (netdev->features & NETIF_F_GRO) napi_gro_receive(&enic->napi[q_number], skb); diff --git a/drivers/net/ethernet/emulex/benet/be_main.c b/drivers/net/ethernet/emulex/benet/be_main.c index b41333184916..811d0a47d17a 100644 --- a/drivers/net/ethernet/emulex/benet/be_main.c +++ b/drivers/net/ethernet/emulex/benet/be_main.c @@ -771,7 +771,7 @@ static struct sk_buff *be_insert_vlan_in_pkt(struct be_adapter *adapter, if (vlan_tx_tag_present(skb)) { vlan_tag = be_get_tx_vlan_tag(adapter, skb); - __vlan_put_tag(skb, vlan_tag); + __vlan_put_tag(skb, htons(ETH_P_8021Q), vlan_tag); skb->vlan_tci = 0; } @@ -1383,7 +1383,7 @@ static void be_rx_compl_process(struct be_rx_obj *rxo, if (rxcp->vlanf) - __vlan_hwaccel_put_tag(skb, rxcp->vlan_tag); + __vlan_hwaccel_put_tag(skb, htons(ETH_P_8021Q), rxcp->vlan_tag); netif_receive_skb(skb); } @@ -1439,7 +1439,7 @@ void be_rx_compl_process_gro(struct be_rx_obj *rxo, struct napi_struct *napi, skb->rxhash = rxcp->rss_hash; if (rxcp->vlanf) - __vlan_hwaccel_put_tag(skb, rxcp->vlan_tag); + __vlan_hwaccel_put_tag(skb, htons(ETH_P_8021Q), rxcp->vlan_tag); napi_gro_frags(napi); } diff --git a/drivers/net/ethernet/intel/e1000/e1000_main.c b/drivers/net/ethernet/intel/e1000/e1000_main.c index 8239dafdd8e7..59ad007dd5aa 100644 --- a/drivers/net/ethernet/intel/e1000/e1000_main.c +++ b/drivers/net/ethernet/intel/e1000/e1000_main.c @@ -4003,7 +4003,7 @@ static void e1000_receive_skb(struct e1000_adapter *adapter, u8 status, if (status & E1000_RXD_STAT_VP) { u16 vid = le16_to_cpu(vlan) & E1000_RXD_SPC_VLAN_MASK; - __vlan_hwaccel_put_tag(skb, vid); + __vlan_hwaccel_put_tag(skb, htons(ETH_P_8021Q), vid); } napi_gro_receive(&adapter->napi, skb); } diff --git a/drivers/net/ethernet/intel/e1000e/netdev.c b/drivers/net/ethernet/intel/e1000e/netdev.c index 8c17f01a155f..da7f2fad5ba4 100644 --- a/drivers/net/ethernet/intel/e1000e/netdev.c +++ b/drivers/net/ethernet/intel/e1000e/netdev.c @@ -554,7 +554,7 @@ static void e1000_receive_skb(struct e1000_adapter *adapter, skb->protocol = eth_type_trans(skb, netdev); if (staterr & E1000_RXD_STAT_VP) - __vlan_hwaccel_put_tag(skb, tag); + __vlan_hwaccel_put_tag(skb, htons(ETH_P_8021Q), tag); napi_gro_receive(&adapter->napi, skb); } diff --git a/drivers/net/ethernet/intel/igb/igb_main.c b/drivers/net/ethernet/intel/igb/igb_main.c index d13ea71c7c1f..9bf08b977daa 100644 --- a/drivers/net/ethernet/intel/igb/igb_main.c +++ b/drivers/net/ethernet/intel/igb/igb_main.c @@ -6683,7 +6683,7 @@ static void igb_process_skb_fields(struct igb_ring *rx_ring, else vid = le16_to_cpu(rx_desc->wb.upper.vlan); - __vlan_hwaccel_put_tag(skb, vid); + __vlan_hwaccel_put_tag(skb, htons(ETH_P_8021Q), vid); } skb_record_rx_queue(skb, rx_ring->queue_index); diff --git a/drivers/net/ethernet/intel/igbvf/netdev.c b/drivers/net/ethernet/intel/igbvf/netdev.c index 3854fd698b85..93eb7ee06d3e 100644 --- a/drivers/net/ethernet/intel/igbvf/netdev.c +++ b/drivers/net/ethernet/intel/igbvf/netdev.c @@ -116,7 +116,7 @@ static void igbvf_receive_skb(struct igbvf_adapter *adapter, else vid = le16_to_cpu(vlan) & E1000_RXD_SPC_VLAN_MASK; if (test_bit(vid, adapter->active_vlans)) - __vlan_hwaccel_put_tag(skb, vid); + __vlan_hwaccel_put_tag(skb, htons(ETH_P_8021Q), vid); } napi_gro_receive(&adapter->rx_ring->napi, skb); diff --git a/drivers/net/ethernet/intel/ixgb/ixgb_main.c b/drivers/net/ethernet/intel/ixgb/ixgb_main.c index a32f274acd36..fce3e92f9d11 100644 --- a/drivers/net/ethernet/intel/ixgb/ixgb_main.c +++ b/drivers/net/ethernet/intel/ixgb/ixgb_main.c @@ -2082,8 +2082,8 @@ ixgb_clean_rx_irq(struct ixgb_adapter *adapter, int *work_done, int work_to_do) skb->protocol = eth_type_trans(skb, netdev); if (status & IXGB_RX_DESC_STATUS_VP) - __vlan_hwaccel_put_tag(skb, - le16_to_cpu(rx_desc->special)); + __vlan_hwaccel_put_tag(skb, htons(ETH_P_8021Q), + le16_to_cpu(rx_desc->special)); netif_receive_skb(skb); diff --git a/drivers/net/ethernet/intel/ixgbe/ixgbe_main.c b/drivers/net/ethernet/intel/ixgbe/ixgbe_main.c index 3becffc77321..6225f880a3f4 100644 --- a/drivers/net/ethernet/intel/ixgbe/ixgbe_main.c +++ b/drivers/net/ethernet/intel/ixgbe/ixgbe_main.c @@ -1491,7 +1491,7 @@ static void ixgbe_process_skb_fields(struct ixgbe_ring *rx_ring, if ((dev->features & NETIF_F_HW_VLAN_CTAG_RX) && ixgbe_test_staterr(rx_desc, IXGBE_RXD_STAT_VP)) { u16 vid = le16_to_cpu(rx_desc->wb.upper.vlan); - __vlan_hwaccel_put_tag(skb, vid); + __vlan_hwaccel_put_tag(skb, htons(ETH_P_8021Q), vid); } skb_record_rx_queue(skb, rx_ring->queue_index); diff --git a/drivers/net/ethernet/intel/ixgbevf/ixgbevf_main.c b/drivers/net/ethernet/intel/ixgbevf/ixgbevf_main.c index 4bc1f84c9352..1f5166ad6bb5 100644 --- a/drivers/net/ethernet/intel/ixgbevf/ixgbevf_main.c +++ b/drivers/net/ethernet/intel/ixgbevf/ixgbevf_main.c @@ -291,7 +291,7 @@ static void ixgbevf_receive_skb(struct ixgbevf_q_vector *q_vector, u16 tag = le16_to_cpu(rx_desc->wb.upper.vlan); if (is_vlan && test_bit(tag & VLAN_VID_MASK, adapter->active_vlans)) - __vlan_hwaccel_put_tag(skb, tag); + __vlan_hwaccel_put_tag(skb, htons(ETH_P_8021Q), tag); if (!(adapter->flags & IXGBE_FLAG_IN_NETPOLL)) napi_gro_receive(&q_vector->napi, skb); diff --git a/drivers/net/ethernet/jme.c b/drivers/net/ethernet/jme.c index d28ce6f97172..070a6f1a0577 100644 --- a/drivers/net/ethernet/jme.c +++ b/drivers/net/ethernet/jme.c @@ -1059,7 +1059,7 @@ jme_alloc_and_feed_skb(struct jme_adapter *jme, int idx) if (rxdesc->descwb.flags & cpu_to_le16(RXWBFLAG_TAGON)) { u16 vid = le16_to_cpu(rxdesc->descwb.vlan); - __vlan_hwaccel_put_tag(skb, vid); + __vlan_hwaccel_put_tag(skb, htons(ETH_P_8021Q), vid); NET_STAT(jme).rx_bytes += 4; } jme->jme_rx(skb); diff --git a/drivers/net/ethernet/marvell/sky2.c b/drivers/net/ethernet/marvell/sky2.c index bf9da1b7b090..256ae789c143 100644 --- a/drivers/net/ethernet/marvell/sky2.c +++ b/drivers/net/ethernet/marvell/sky2.c @@ -2713,7 +2713,7 @@ static void sky2_rx_tag(struct sky2_port *sky2, u16 length) struct sk_buff *skb; skb = sky2->rx_ring[sky2->rx_next].skb; - __vlan_hwaccel_put_tag(skb, be16_to_cpu(length)); + __vlan_hwaccel_put_tag(skb, htons(ETH_P_8021Q), be16_to_cpu(length)); } static void sky2_rx_hash(struct sky2_port *sky2, u32 status) diff --git a/drivers/net/ethernet/mellanox/mlx4/en_rx.c b/drivers/net/ethernet/mellanox/mlx4/en_rx.c index c7f856308e1a..4006f8857cb5 100644 --- a/drivers/net/ethernet/mellanox/mlx4/en_rx.c +++ b/drivers/net/ethernet/mellanox/mlx4/en_rx.c @@ -673,7 +673,7 @@ int mlx4_en_process_rx_cq(struct net_device *dev, struct mlx4_en_cq *cq, int bud cpu_to_be32(MLX4_CQE_VLAN_PRESENT_MASK)) { u16 vid = be16_to_cpu(cqe->sl_vid); - __vlan_hwaccel_put_tag(gro_skb, vid); + __vlan_hwaccel_put_tag(gro_skb, htons(ETH_P_8021Q), vid); } if (dev->features & NETIF_F_RXHASH) @@ -716,7 +716,7 @@ int mlx4_en_process_rx_cq(struct net_device *dev, struct mlx4_en_cq *cq, int bud if (be32_to_cpu(cqe->vlan_my_qpn) & MLX4_CQE_VLAN_PRESENT_MASK) - __vlan_hwaccel_put_tag(skb, be16_to_cpu(cqe->sl_vid)); + __vlan_hwaccel_put_tag(skb, htons(ETH_P_8021Q), be16_to_cpu(cqe->sl_vid)); /* Push it up the stack */ netif_receive_skb(skb); diff --git a/drivers/net/ethernet/myricom/myri10ge/myri10ge.c b/drivers/net/ethernet/myricom/myri10ge/myri10ge.c index 46262ea610fd..7be9788ed0f6 100644 --- a/drivers/net/ethernet/myricom/myri10ge/myri10ge.c +++ b/drivers/net/ethernet/myricom/myri10ge/myri10ge.c @@ -1290,7 +1290,7 @@ myri10ge_vlan_rx(struct net_device *dev, void *addr, struct sk_buff *skb) skb->csum = csum_sub(skb->csum, vsum); } /* pop tag */ - __vlan_hwaccel_put_tag(skb, ntohs(veh->h_vlan_TCI)); + __vlan_hwaccel_put_tag(skb, htons(ETH_P_8021Q), ntohs(veh->h_vlan_TCI)); memmove(va + VLAN_HLEN, va, 2 * ETH_ALEN); skb->len -= VLAN_HLEN; skb->data_len -= VLAN_HLEN; diff --git a/drivers/net/ethernet/natsemi/ns83820.c b/drivers/net/ethernet/natsemi/ns83820.c index 60267e91cbda..d3b47003a575 100644 --- a/drivers/net/ethernet/natsemi/ns83820.c +++ b/drivers/net/ethernet/natsemi/ns83820.c @@ -911,7 +911,7 @@ static void rx_irq(struct net_device *ndev) unsigned short tag; tag = ntohs(extsts & EXTSTS_VTG_MASK); - __vlan_hwaccel_put_tag(skb, tag); + __vlan_hwaccel_put_tag(skb, htons(ETH_P_IPV6), tag); } #endif rx_rc = netif_rx(skb); diff --git a/drivers/net/ethernet/neterion/s2io.c b/drivers/net/ethernet/neterion/s2io.c index ec82d59b03ed..51b00941302c 100644 --- a/drivers/net/ethernet/neterion/s2io.c +++ b/drivers/net/ethernet/neterion/s2io.c @@ -8555,7 +8555,7 @@ static void queue_rx_frame(struct sk_buff *skb, u16 vlan_tag) skb->protocol = eth_type_trans(skb, dev); if (vlan_tag && sp->vlan_strip_flag) - __vlan_hwaccel_put_tag(skb, vlan_tag); + __vlan_hwaccel_put_tag(skb, htons(ETH_P_8021Q), vlan_tag); if (sp->config.napi) netif_receive_skb(skb); else diff --git a/drivers/net/ethernet/neterion/vxge/vxge-main.c b/drivers/net/ethernet/neterion/vxge/vxge-main.c index a9396142201c..cbfaed5f2f8d 100644 --- a/drivers/net/ethernet/neterion/vxge/vxge-main.c +++ b/drivers/net/ethernet/neterion/vxge/vxge-main.c @@ -312,7 +312,7 @@ vxge_rx_complete(struct vxge_ring *ring, struct sk_buff *skb, u16 vlan, if (ext_info->vlan && ring->vlan_tag_strip == VXGE_HW_VPATH_RPA_STRIP_VLAN_TAG_ENABLE) - __vlan_hwaccel_put_tag(skb, ext_info->vlan); + __vlan_hwaccel_put_tag(skb, htons(ETH_P_8021Q), ext_info->vlan); napi_gro_receive(ring->napi_p, skb); vxge_debug_entryexit(VXGE_TRACE, diff --git a/drivers/net/ethernet/nvidia/forcedeth.c b/drivers/net/ethernet/nvidia/forcedeth.c index fcad64081d74..b003fe53c8e2 100644 --- a/drivers/net/ethernet/nvidia/forcedeth.c +++ b/drivers/net/ethernet/nvidia/forcedeth.c @@ -2969,7 +2969,7 @@ static int nv_rx_process_optimized(struct net_device *dev, int limit) vlanflags & NV_RX3_VLAN_TAG_PRESENT) { u16 vid = vlanflags & NV_RX3_VLAN_TAG_MASK; - __vlan_hwaccel_put_tag(skb, vid); + __vlan_hwaccel_put_tag(skb, htons(ETH_P_8021Q), vid); } napi_gro_receive(&np->napi, skb); u64_stats_update_begin(&np->swstats_rx_syncp); diff --git a/drivers/net/ethernet/qlogic/qlcnic/qlcnic_io.c b/drivers/net/ethernet/qlogic/qlcnic/qlcnic_io.c index a85ca63a2c9e..56223a6aa408 100644 --- a/drivers/net/ethernet/qlogic/qlcnic/qlcnic_io.c +++ b/drivers/net/ethernet/qlogic/qlcnic/qlcnic_io.c @@ -1050,7 +1050,7 @@ qlcnic_process_rcv(struct qlcnic_adapter *adapter, skb->protocol = eth_type_trans(skb, netdev); if (vid != 0xffff) - __vlan_hwaccel_put_tag(skb, vid); + __vlan_hwaccel_put_tag(skb, htons(ETH_P_8021Q), vid); napi_gro_receive(&sds_ring->napi, skb); @@ -1153,7 +1153,7 @@ qlcnic_process_lro(struct qlcnic_adapter *adapter, } if (vid != 0xffff) - __vlan_hwaccel_put_tag(skb, vid); + __vlan_hwaccel_put_tag(skb, htons(ETH_P_8021Q), vid); netif_receive_skb(skb); adapter->stats.lro_pkts++; @@ -1518,7 +1518,7 @@ qlcnic_83xx_process_rcv(struct qlcnic_adapter *adapter, skb->protocol = eth_type_trans(skb, netdev); if (vid != 0xffff) - __vlan_hwaccel_put_tag(skb, vid); + __vlan_hwaccel_put_tag(skb, htons(ETH_P_8021Q), vid); napi_gro_receive(&sds_ring->napi, skb); @@ -1615,7 +1615,7 @@ qlcnic_83xx_process_lro(struct qlcnic_adapter *adapter, } if (vid != 0xffff) - __vlan_hwaccel_put_tag(skb, vid); + __vlan_hwaccel_put_tag(skb, htons(ETH_P_8021Q), vid); netif_receive_skb(skb); diff --git a/drivers/net/ethernet/qlogic/qlge/qlge_main.c b/drivers/net/ethernet/qlogic/qlge/qlge_main.c index a9016acc2d6a..44cf72ac2489 100644 --- a/drivers/net/ethernet/qlogic/qlge/qlge_main.c +++ b/drivers/net/ethernet/qlogic/qlge/qlge_main.c @@ -1498,7 +1498,7 @@ static void ql_process_mac_rx_gro_page(struct ql_adapter *qdev, skb->ip_summed = CHECKSUM_UNNECESSARY; skb_record_rx_queue(skb, rx_ring->cq_id); if (vlan_id != 0xffff) - __vlan_hwaccel_put_tag(skb, vlan_id); + __vlan_hwaccel_put_tag(skb, htons(ETH_P_8021Q), vlan_id); napi_gro_frags(napi); } @@ -1574,7 +1574,7 @@ static void ql_process_mac_rx_page(struct ql_adapter *qdev, skb_record_rx_queue(skb, rx_ring->cq_id); if (vlan_id != 0xffff) - __vlan_hwaccel_put_tag(skb, vlan_id); + __vlan_hwaccel_put_tag(skb, htons(ETH_P_8021Q), vlan_id); if (skb->ip_summed == CHECKSUM_UNNECESSARY) napi_gro_receive(napi, skb); else @@ -1670,7 +1670,7 @@ static void ql_process_mac_rx_skb(struct ql_adapter *qdev, skb_record_rx_queue(skb, rx_ring->cq_id); if (vlan_id != 0xffff) - __vlan_hwaccel_put_tag(skb, vlan_id); + __vlan_hwaccel_put_tag(skb, htons(ETH_P_8021Q), vlan_id); if (skb->ip_summed == CHECKSUM_UNNECESSARY) napi_gro_receive(&rx_ring->napi, skb); else @@ -1975,7 +1975,7 @@ static void ql_process_mac_split_rx_intr(struct ql_adapter *qdev, rx_ring->rx_bytes += skb->len; skb_record_rx_queue(skb, rx_ring->cq_id); if ((ib_mac_rsp->flags2 & IB_MAC_IOCB_RSP_V) && (vlan_id != 0)) - __vlan_hwaccel_put_tag(skb, vlan_id); + __vlan_hwaccel_put_tag(skb, htons(ETH_P_8021Q), vlan_id); if (skb->ip_summed == CHECKSUM_UNNECESSARY) napi_gro_receive(&rx_ring->napi, skb); else diff --git a/drivers/net/ethernet/realtek/8139cp.c b/drivers/net/ethernet/realtek/8139cp.c index 6d03b52e56f1..7d1fb9ad1296 100644 --- a/drivers/net/ethernet/realtek/8139cp.c +++ b/drivers/net/ethernet/realtek/8139cp.c @@ -431,7 +431,7 @@ static inline void cp_rx_skb (struct cp_private *cp, struct sk_buff *skb, cp->dev->stats.rx_bytes += skb->len; if (opts2 & RxVlanTagged) - __vlan_hwaccel_put_tag(skb, swab16(opts2 & 0xffff)); + __vlan_hwaccel_put_tag(skb, htons(ETH_P_8021Q), swab16(opts2 & 0xffff)); napi_gro_receive(&cp->napi, skb); } diff --git a/drivers/net/ethernet/realtek/r8169.c b/drivers/net/ethernet/realtek/r8169.c index 86d5d7909d10..c6dac38fd9cc 100644 --- a/drivers/net/ethernet/realtek/r8169.c +++ b/drivers/net/ethernet/realtek/r8169.c @@ -1843,7 +1843,7 @@ static void rtl8169_rx_vlan_tag(struct RxDesc *desc, struct sk_buff *skb) u32 opts2 = le32_to_cpu(desc->opts2); if (opts2 & RxVlanTag) - __vlan_hwaccel_put_tag(skb, swab16(opts2 & 0xffff)); + __vlan_hwaccel_put_tag(skb, htons(ETH_P_8021Q), swab16(opts2 & 0xffff)); } static int rtl8169_gset_tbi(struct net_device *dev, struct ethtool_cmd *cmd) diff --git a/drivers/net/ethernet/tehuti/tehuti.c b/drivers/net/ethernet/tehuti/tehuti.c index f7050c573519..571452e786d5 100644 --- a/drivers/net/ethernet/tehuti/tehuti.c +++ b/drivers/net/ethernet/tehuti/tehuti.c @@ -1148,7 +1148,7 @@ NETIF_RX_MUX(struct bdx_priv *priv, u32 rxd_val1, u16 rxd_vlan, priv->ndev->name, GET_RXD_VLAN_ID(rxd_vlan), GET_RXD_VTAG(rxd_val1)); - __vlan_hwaccel_put_tag(skb, GET_RXD_VLAN_TCI(rxd_vlan)); + __vlan_hwaccel_put_tag(skb, htons(ETH_P_8021Q), GET_RXD_VLAN_TCI(rxd_vlan)); } netif_receive_skb(skb); } diff --git a/drivers/net/ethernet/via/via-rhine.c b/drivers/net/ethernet/via/via-rhine.c index c6014916f622..ca98acabf1b4 100644 --- a/drivers/net/ethernet/via/via-rhine.c +++ b/drivers/net/ethernet/via/via-rhine.c @@ -1936,7 +1936,7 @@ static int rhine_rx(struct net_device *dev, int limit) skb->protocol = eth_type_trans(skb, dev); if (unlikely(desc_length & DescTag)) - __vlan_hwaccel_put_tag(skb, vlan_tci); + __vlan_hwaccel_put_tag(skb, htons(ETH_P_8021Q), vlan_tci); netif_receive_skb(skb); u64_stats_update_begin(&rp->rx_stats.syncp); diff --git a/drivers/net/ethernet/via/via-velocity.c b/drivers/net/ethernet/via/via-velocity.c index 91cd59146c24..fb6248956ee2 100644 --- a/drivers/net/ethernet/via/via-velocity.c +++ b/drivers/net/ethernet/via/via-velocity.c @@ -2080,7 +2080,7 @@ static int velocity_receive_frame(struct velocity_info *vptr, int idx) if (rd->rdesc0.RSR & RSR_DETAG) { u16 vid = swab16(le16_to_cpu(rd->rdesc1.PQTAG)); - __vlan_hwaccel_put_tag(skb, vid); + __vlan_hwaccel_put_tag(skb, htons(ETH_P_8021Q), vid); } netif_rx(skb); diff --git a/drivers/net/usb/cdc_mbim.c b/drivers/net/usb/cdc_mbim.c index b7e9cd7ca6d5..cc6dfe4102fd 100644 --- a/drivers/net/usb/cdc_mbim.c +++ b/drivers/net/usb/cdc_mbim.c @@ -221,7 +221,7 @@ static struct sk_buff *cdc_mbim_process_dgram(struct usbnet *dev, u8 *buf, size_ /* map MBIM session to VLAN */ if (tci) - vlan_put_tag(skb, tci); + vlan_put_tag(skb, htons(ETH_P_8021Q), tci); err: return skb; } diff --git a/drivers/net/vmxnet3/vmxnet3_drv.c b/drivers/net/vmxnet3/vmxnet3_drv.c index 27b889992ab8..55a62cae2cb4 100644 --- a/drivers/net/vmxnet3/vmxnet3_drv.c +++ b/drivers/net/vmxnet3/vmxnet3_drv.c @@ -1293,7 +1293,7 @@ vmxnet3_rq_rx_complete(struct vmxnet3_rx_queue *rq, skb->protocol = eth_type_trans(skb, adapter->netdev); if (unlikely(rcd->ts)) - __vlan_hwaccel_put_tag(skb, rcd->tci); + __vlan_hwaccel_put_tag(skb, htons(ETH_P_8021Q), rcd->tci); if (adapter->netdev->features & NETIF_F_LRO) netif_receive_skb(skb); diff --git a/include/linux/if_vlan.h b/include/linux/if_vlan.h index 2c9fb65f8267..8086ff9988b1 100644 --- a/include/linux/if_vlan.h +++ b/include/linux/if_vlan.h @@ -157,9 +157,18 @@ static inline bool vlan_uses_dev(const struct net_device *dev) } #endif +static inline bool vlan_hw_offload_capable(netdev_features_t features, + __be16 proto) +{ + if (proto == htons(ETH_P_8021Q) && features & NETIF_F_HW_VLAN_CTAG_TX) + return true; + return false; +} + /** * vlan_insert_tag - regular VLAN tag inserting * @skb: skbuff to tag + * @vlan_proto: VLAN encapsulation protocol * @vlan_tci: VLAN TCI to insert * * Inserts the VLAN tag into @skb as part of the payload @@ -170,7 +179,8 @@ static inline bool vlan_uses_dev(const struct net_device *dev) * * Does not change skb->protocol so this function can be used during receive. */ -static inline struct sk_buff *vlan_insert_tag(struct sk_buff *skb, u16 vlan_tci) +static inline struct sk_buff *vlan_insert_tag(struct sk_buff *skb, + __be16 vlan_proto, u16 vlan_tci) { struct vlan_ethhdr *veth; @@ -185,7 +195,7 @@ static inline struct sk_buff *vlan_insert_tag(struct sk_buff *skb, u16 vlan_tci) skb->mac_header -= VLAN_HLEN; /* first, the ethernet type */ - veth->h_vlan_proto = htons(ETH_P_8021Q); + veth->h_vlan_proto = vlan_proto; /* now, the TCI */ veth->h_vlan_TCI = htons(vlan_tci); @@ -204,24 +214,28 @@ static inline struct sk_buff *vlan_insert_tag(struct sk_buff *skb, u16 vlan_tci) * Following the skb_unshare() example, in case of error, the calling function * doesn't have to worry about freeing the original skb. */ -static inline struct sk_buff *__vlan_put_tag(struct sk_buff *skb, u16 vlan_tci) +static inline struct sk_buff *__vlan_put_tag(struct sk_buff *skb, + __be16 vlan_proto, u16 vlan_tci) { - skb = vlan_insert_tag(skb, vlan_tci); + skb = vlan_insert_tag(skb, vlan_proto, vlan_tci); if (skb) - skb->protocol = htons(ETH_P_8021Q); + skb->protocol = vlan_proto; return skb; } /** * __vlan_hwaccel_put_tag - hardware accelerated VLAN inserting * @skb: skbuff to tag + * @vlan_proto: VLAN encapsulation protocol * @vlan_tci: VLAN TCI to insert * * Puts the VLAN TCI in @skb->vlan_tci and lets the device do the rest */ static inline struct sk_buff *__vlan_hwaccel_put_tag(struct sk_buff *skb, + __be16 vlan_proto, u16 vlan_tci) { + skb->vlan_proto = vlan_proto; skb->vlan_tci = VLAN_TAG_PRESENT | vlan_tci; return skb; } @@ -236,12 +250,13 @@ static inline struct sk_buff *__vlan_hwaccel_put_tag(struct sk_buff *skb, * Assumes skb->dev is the target that will xmit this frame. * Returns a VLAN tagged skb. */ -static inline struct sk_buff *vlan_put_tag(struct sk_buff *skb, u16 vlan_tci) +static inline struct sk_buff *vlan_put_tag(struct sk_buff *skb, + __be16 vlan_proto, u16 vlan_tci) { - if (skb->dev->features & NETIF_F_HW_VLAN_CTAG_TX) { - return __vlan_hwaccel_put_tag(skb, vlan_tci); + if (vlan_hw_offload_capable(skb->dev->features, vlan_proto)) { + return __vlan_hwaccel_put_tag(skb, vlan_proto, vlan_tci); } else { - return __vlan_put_tag(skb, vlan_tci); + return __vlan_put_tag(skb, vlan_proto, vlan_tci); } } diff --git a/include/linux/skbuff.h b/include/linux/skbuff.h index e27d1c782f32..f5bed7b31954 100644 --- a/include/linux/skbuff.h +++ b/include/linux/skbuff.h @@ -387,6 +387,7 @@ typedef unsigned char *sk_buff_data_t; * @secmark: security marking * @mark: Generic packet mark * @dropcount: total number of sk_receive_queue overflows + * @vlan_proto: vlan encapsulation protocol * @vlan_tci: vlan tag control information * @inner_transport_header: Inner transport layer header (encapsulation) * @inner_network_header: Network layer header (encapsulation) @@ -465,6 +466,7 @@ struct sk_buff { __u32 rxhash; + __be16 vlan_proto; __u16 vlan_tci; #ifdef CONFIG_NET_SCHED diff --git a/net/8021q/vlan_core.c b/net/8021q/vlan_core.c index 4e4c360353ea..bdb0b9d2e9cf 100644 --- a/net/8021q/vlan_core.c +++ b/net/8021q/vlan_core.c @@ -8,11 +8,12 @@ bool vlan_do_receive(struct sk_buff **skbp) { struct sk_buff *skb = *skbp; + __be16 vlan_proto = skb->vlan_proto; u16 vlan_id = skb->vlan_tci & VLAN_VID_MASK; struct net_device *vlan_dev; struct vlan_pcpu_stats *rx_stats; - vlan_dev = vlan_find_dev(skb->dev, htons(ETH_P_8021Q), vlan_id); + vlan_dev = vlan_find_dev(skb->dev, vlan_proto, vlan_id); if (!vlan_dev) return false; @@ -38,7 +39,8 @@ bool vlan_do_receive(struct sk_buff **skbp) * original position later */ skb_push(skb, offset); - skb = *skbp = vlan_insert_tag(skb, skb->vlan_tci); + skb = *skbp = vlan_insert_tag(skb, skb->vlan_proto, + skb->vlan_tci); if (!skb) return false; skb_pull(skb, offset + VLAN_HLEN); @@ -127,7 +129,7 @@ struct sk_buff *vlan_untag(struct sk_buff *skb) vhdr = (struct vlan_hdr *) skb->data; vlan_tci = ntohs(vhdr->h_vlan_TCI); - __vlan_hwaccel_put_tag(skb, vlan_tci); + __vlan_hwaccel_put_tag(skb, skb->protocol, vlan_tci); skb_pull_rcsum(skb, VLAN_HLEN); vlan_set_encap_proto(skb, vhdr); diff --git a/net/8021q/vlan_dev.c b/net/8021q/vlan_dev.c index d7457b7e1b95..8af508536d36 100644 --- a/net/8021q/vlan_dev.c +++ b/net/8021q/vlan_dev.c @@ -167,7 +167,7 @@ static netdev_tx_t vlan_dev_hard_start_xmit(struct sk_buff *skb, u16 vlan_tci; vlan_tci = vlan->vlan_id; vlan_tci |= vlan_dev_get_egress_qos_mask(dev, skb); - skb = __vlan_hwaccel_put_tag(skb, vlan_tci); + skb = __vlan_hwaccel_put_tag(skb, vlan->vlan_proto, vlan_tci); } skb->dev = vlan->real_dev; diff --git a/net/batman-adv/bridge_loop_avoidance.c b/net/batman-adv/bridge_loop_avoidance.c index 6a4f728680ae..379061c72549 100644 --- a/net/batman-adv/bridge_loop_avoidance.c +++ b/net/batman-adv/bridge_loop_avoidance.c @@ -341,7 +341,7 @@ static void batadv_bla_send_claim(struct batadv_priv *bat_priv, uint8_t *mac, } if (vid != -1) - skb = vlan_insert_tag(skb, vid); + skb = vlan_insert_tag(skb, htons(ETH_P_8021Q), vid); skb_reset_mac_header(skb); skb->protocol = eth_type_trans(skb, soft_iface); diff --git a/net/bridge/br_netfilter.c b/net/bridge/br_netfilter.c index bd61bf5159c9..1ed75bfd8d1d 100644 --- a/net/bridge/br_netfilter.c +++ b/net/bridge/br_netfilter.c @@ -535,7 +535,7 @@ static struct net_device *brnf_get_logical_dev(struct sk_buff *skb, const struct if (brnf_pass_vlan_indev == 0 || !vlan_tx_tag_present(skb)) return br; - vlan = __vlan_find_dev_deep(br, htons(ETH_P_8021Q), + vlan = __vlan_find_dev_deep(br, skb->vlan_proto, vlan_tx_tag_get(skb) & VLAN_VID_MASK); return vlan ? vlan : br; diff --git a/net/bridge/br_vlan.c b/net/bridge/br_vlan.c index c3076e2c4294..bd58b45f5f90 100644 --- a/net/bridge/br_vlan.c +++ b/net/bridge/br_vlan.c @@ -175,7 +175,7 @@ struct sk_buff *br_handle_vlan(struct net_bridge *br, * mac header. */ skb_push(skb, ETH_HLEN); - skb = __vlan_put_tag(skb, skb->vlan_tci); + skb = __vlan_put_tag(skb, skb->vlan_proto, skb->vlan_tci); if (!skb) goto out; /* put skb->data back to where it was */ @@ -217,7 +217,7 @@ bool br_allowed_ingress(struct net_bridge *br, struct net_port_vlans *v, /* PVID is set on this port. Any untagged ingress * frame is considered to belong to this vlan. */ - __vlan_hwaccel_put_tag(skb, pvid); + __vlan_hwaccel_put_tag(skb, htons(ETH_P_8021Q), pvid); return true; } diff --git a/net/core/dev.c b/net/core/dev.c index 07a8e9dc43fc..3a12ee132b59 100644 --- a/net/core/dev.c +++ b/net/core/dev.c @@ -2482,8 +2482,9 @@ int dev_hard_start_xmit(struct sk_buff *skb, struct net_device *dev, features = netif_skb_features(skb); if (vlan_tx_tag_present(skb) && - !(features & NETIF_F_HW_VLAN_CTAG_TX)) { - skb = __vlan_put_tag(skb, vlan_tx_tag_get(skb)); + !vlan_hw_offload_capable(features, skb->vlan_proto)) { + skb = __vlan_put_tag(skb, skb->vlan_proto, + vlan_tx_tag_get(skb)); if (unlikely(!skb)) goto out; diff --git a/net/core/netpoll.c b/net/core/netpoll.c index 8de961e67cf7..209d84253dd5 100644 --- a/net/core/netpoll.c +++ b/net/core/netpoll.c @@ -383,8 +383,9 @@ void netpoll_send_skb_on_dev(struct netpoll *np, struct sk_buff *skb, if (__netif_tx_trylock(txq)) { if (!netif_xmit_stopped(txq)) { if (vlan_tx_tag_present(skb) && - !(netif_skb_features(skb) & NETIF_F_HW_VLAN_CTAG_TX)) { - skb = __vlan_put_tag(skb, vlan_tx_tag_get(skb)); + !vlan_hw_offload_capable(netif_skb_features(skb), + skb->vlan_proto)) { + skb = __vlan_put_tag(skb, skb->vlan_proto, vlan_tx_tag_get(skb)); if (unlikely(!skb)) break; skb->vlan_tci = 0; diff --git a/net/core/skbuff.c b/net/core/skbuff.c index ba646145cd5c..a92d9e7d10f7 100644 --- a/net/core/skbuff.c +++ b/net/core/skbuff.c @@ -707,6 +707,7 @@ static void __copy_skb_header(struct sk_buff *new, const struct sk_buff *old) new->tc_verd = old->tc_verd; #endif #endif + new->vlan_proto = old->vlan_proto; new->vlan_tci = old->vlan_tci; skb_copy_secmark(new, old); diff --git a/net/openvswitch/actions.c b/net/openvswitch/actions.c index d4d5363c7ba7..894b6cbdd929 100644 --- a/net/openvswitch/actions.c +++ b/net/openvswitch/actions.c @@ -98,7 +98,7 @@ static int pop_vlan(struct sk_buff *skb) if (unlikely(err)) return err; - __vlan_hwaccel_put_tag(skb, ntohs(tci)); + __vlan_hwaccel_put_tag(skb, htons(ETH_P_8021Q), ntohs(tci)); return 0; } @@ -110,7 +110,7 @@ static int push_vlan(struct sk_buff *skb, const struct ovs_action_push_vlan *vla /* push down current VLAN tag */ current_tag = vlan_tx_tag_get(skb); - if (!__vlan_put_tag(skb, current_tag)) + if (!__vlan_put_tag(skb, skb->vlan_proto, current_tag)) return -ENOMEM; if (skb->ip_summed == CHECKSUM_COMPLETE) @@ -118,7 +118,7 @@ static int push_vlan(struct sk_buff *skb, const struct ovs_action_push_vlan *vla + (2 * ETH_ALEN), VLAN_HLEN, 0)); } - __vlan_hwaccel_put_tag(skb, ntohs(vlan->vlan_tci) & ~VLAN_TAG_PRESENT); + __vlan_hwaccel_put_tag(skb, vlan->vlan_tpid, ntohs(vlan->vlan_tci) & ~VLAN_TAG_PRESENT); return 0; } diff --git a/net/openvswitch/datapath.c b/net/openvswitch/datapath.c index b7d0b7c3fe2c..7bb5d4f6bb90 100644 --- a/net/openvswitch/datapath.c +++ b/net/openvswitch/datapath.c @@ -401,7 +401,7 @@ static int queue_userspace_packet(struct net *net, int dp_ifindex, if (!nskb) return -ENOMEM; - nskb = __vlan_put_tag(nskb, vlan_tx_tag_get(nskb)); + nskb = __vlan_put_tag(nskb, nskb->vlan_proto, vlan_tx_tag_get(nskb)); if (!nskb) return -ENOMEM; -- cgit v1.2.3 From 8ad227ff89a7e6f05d07cd0acfd95ed3a24450ca Mon Sep 17 00:00:00 2001 From: Patrick McHardy Date: Fri, 19 Apr 2013 02:04:31 +0000 Subject: net: vlan: add 802.1ad support Add support for 802.1ad VLAN devices. This mainly consists of checking for ETH_P_8021AD in addition to ETH_P_8021Q in a couple of places and check offloading capabilities based on the used protocol. Configuration is done using "ip link": # ip link add link eth0 eth0.1000 \ type vlan proto 802.1ad id 1000 # ip link add link eth0.1000 eth0.1000.1000 \ type vlan proto 802.1q id 1000 52:54:00:12:34:56 > 92:b1:54:28:e4:8c, ethertype 802.1Q (0x8100), length 106: vlan 1000, p 0, ethertype 802.1Q, vlan 1000, p 0, ethertype IPv4, (tos 0x0, ttl 64, id 0, offset 0, flags [DF], proto ICMP (1), length 84) 20.1.0.2 > 20.1.0.1: ICMP echo request, id 3003, seq 8, length 64 92:b1:54:28:e4:8c > 52:54:00:12:34:56, ethertype 802.1Q-QinQ (0x88a8), length 106: vlan 1000, p 0, ethertype 802.1Q, vlan 1000, p 0, ethertype IPv4, (tos 0x0, ttl 64, id 47944, offset 0, flags [none], proto ICMP (1), length 84) 20.1.0.1 > 20.1.0.2: ICMP echo reply, id 3003, seq 8, length 64 Signed-off-by: Patrick McHardy Signed-off-by: David S. Miller --- include/linux/if_vlan.h | 6 ++++-- include/linux/netdev_features.h | 6 ++++++ include/uapi/linux/if_link.h | 1 + net/8021q/Kconfig | 2 +- net/8021q/vlan.h | 3 +++ net/8021q/vlan_core.c | 18 ++++++++++++++---- net/8021q/vlan_netlink.c | 25 ++++++++++++++++++++++--- net/core/dev.c | 16 ++++++++++------ 8 files changed, 61 insertions(+), 16 deletions(-) (limited to 'net/core') diff --git a/include/linux/if_vlan.h b/include/linux/if_vlan.h index 8086ff9988b1..a78f9390da87 100644 --- a/include/linux/if_vlan.h +++ b/include/linux/if_vlan.h @@ -162,6 +162,8 @@ static inline bool vlan_hw_offload_capable(netdev_features_t features, { if (proto == htons(ETH_P_8021Q) && features & NETIF_F_HW_VLAN_CTAG_TX) return true; + if (proto == htons(ETH_P_8021AD) && features & NETIF_F_HW_VLAN_STAG_TX) + return true; return false; } @@ -271,9 +273,9 @@ static inline int __vlan_get_tag(const struct sk_buff *skb, u16 *vlan_tci) { struct vlan_ethhdr *veth = (struct vlan_ethhdr *)skb->data; - if (veth->h_vlan_proto != htons(ETH_P_8021Q)) { + if (veth->h_vlan_proto != htons(ETH_P_8021Q) && + veth->h_vlan_proto != htons(ETH_P_8021AD)) return -EINVAL; - } *vlan_tci = ntohs(veth->h_vlan_TCI); return 0; diff --git a/include/linux/netdev_features.h b/include/linux/netdev_features.h index 785913b8983d..cbaa027ef5a7 100644 --- a/include/linux/netdev_features.h +++ b/include/linux/netdev_features.h @@ -25,6 +25,9 @@ enum { NETIF_F_HW_VLAN_CTAG_TX_BIT, /* Transmit VLAN CTAG HW acceleration */ NETIF_F_HW_VLAN_CTAG_RX_BIT, /* Receive VLAN CTAG HW acceleration */ NETIF_F_HW_VLAN_CTAG_FILTER_BIT,/* Receive filtering on VLAN CTAGs */ + NETIF_F_HW_VLAN_STAG_TX_BIT, /* Transmit VLAN STAG HW acceleration */ + NETIF_F_HW_VLAN_STAG_RX_BIT, /* Receive VLAN STAG HW acceleration */ + NETIF_F_HW_VLAN_STAG_FILTER_BIT,/* Receive filtering on VLAN STAGs */ NETIF_F_VLAN_CHALLENGED_BIT, /* Device cannot handle VLAN packets */ NETIF_F_GSO_BIT, /* Enable software GSO. */ NETIF_F_LLTX_BIT, /* LockLess TX - deprecated. Please */ @@ -83,6 +86,9 @@ enum { #define NETIF_F_HW_VLAN_CTAG_FILTER __NETIF_F(HW_VLAN_CTAG_FILTER) #define NETIF_F_HW_VLAN_CTAG_RX __NETIF_F(HW_VLAN_CTAG_RX) #define NETIF_F_HW_VLAN_CTAG_TX __NETIF_F(HW_VLAN_CTAG_TX) +#define NETIF_F_HW_VLAN_STAG_FILTER __NETIF_F(HW_VLAN_STAG_FILTER) +#define NETIF_F_HW_VLAN_STAG_RX __NETIF_F(HW_VLAN_STAG_RX) +#define NETIF_F_HW_VLAN_STAG_TX __NETIF_F(HW_VLAN_STAG_TX) #define NETIF_F_IP_CSUM __NETIF_F(IP_CSUM) #define NETIF_F_IPV6_CSUM __NETIF_F(IPV6_CSUM) #define NETIF_F_LLTX __NETIF_F(LLTX) diff --git a/include/uapi/linux/if_link.h b/include/uapi/linux/if_link.h index 9922704f08af..e3163544f339 100644 --- a/include/uapi/linux/if_link.h +++ b/include/uapi/linux/if_link.h @@ -250,6 +250,7 @@ enum { IFLA_VLAN_FLAGS, IFLA_VLAN_EGRESS_QOS, IFLA_VLAN_INGRESS_QOS, + IFLA_VLAN_PROTOCOL, __IFLA_VLAN_MAX, }; diff --git a/net/8021q/Kconfig b/net/8021q/Kconfig index 8f7517df41a5..b85a91fa61f1 100644 --- a/net/8021q/Kconfig +++ b/net/8021q/Kconfig @@ -3,7 +3,7 @@ # config VLAN_8021Q - tristate "802.1Q VLAN Support" + tristate "802.1Q/802.1ad VLAN Support" ---help--- Select this and you will be able to create 802.1Q VLAN interfaces on your ethernet interfaces. 802.1Q VLAN supports almost diff --git a/net/8021q/vlan.h b/net/8021q/vlan.h index 245de9653db0..abc9cb631c47 100644 --- a/net/8021q/vlan.h +++ b/net/8021q/vlan.h @@ -91,6 +91,7 @@ static inline struct vlan_dev_priv *vlan_dev_priv(const struct net_device *dev) enum vlan_protos { VLAN_PROTO_8021Q = 0, + VLAN_PROTO_8021AD, VLAN_PROTO_NUM, }; @@ -116,6 +117,8 @@ static inline unsigned int vlan_proto_idx(__be16 proto) switch (proto) { case __constant_htons(ETH_P_8021Q): return VLAN_PROTO_8021Q; + case __constant_htons(ETH_P_8021AD): + return VLAN_PROTO_8021AD; default: BUG(); } diff --git a/net/8021q/vlan_core.c b/net/8021q/vlan_core.c index bdb0b9d2e9cf..ebfa2fceb88b 100644 --- a/net/8021q/vlan_core.c +++ b/net/8021q/vlan_core.c @@ -194,6 +194,18 @@ struct vlan_vid_info { int refcount; }; +static bool vlan_hw_filter_capable(const struct net_device *dev, + const struct vlan_vid_info *vid_info) +{ + if (vid_info->proto == htons(ETH_P_8021Q) && + dev->features & NETIF_F_HW_VLAN_CTAG_FILTER) + return true; + if (vid_info->proto == htons(ETH_P_8021AD) && + dev->features & NETIF_F_HW_VLAN_STAG_FILTER) + return true; + return false; +} + static struct vlan_vid_info *vlan_vid_info_get(struct vlan_info *vlan_info, __be16 proto, u16 vid) { @@ -231,8 +243,7 @@ static int __vlan_vid_add(struct vlan_info *vlan_info, __be16 proto, u16 vid, if (!vid_info) return -ENOMEM; - if (proto == htons(ETH_P_8021Q) && - dev->features & NETIF_F_HW_VLAN_CTAG_FILTER) { + if (vlan_hw_filter_capable(dev, vid_info)) { err = ops->ndo_vlan_rx_add_vid(dev, proto, vid); if (err) { kfree(vid_info); @@ -290,8 +301,7 @@ static void __vlan_vid_del(struct vlan_info *vlan_info, u16 vid = vid_info->vid; int err; - if (proto == htons(ETH_P_8021Q) && - dev->features & NETIF_F_HW_VLAN_CTAG_FILTER) { + if (vlan_hw_filter_capable(dev, vid_info)) { err = ops->ndo_vlan_rx_kill_vid(dev, proto, vid); if (err) { pr_warn("failed to kill vid %04x/%d for device %s\n", diff --git a/net/8021q/vlan_netlink.c b/net/8021q/vlan_netlink.c index a1a956ab39a5..309129732285 100644 --- a/net/8021q/vlan_netlink.c +++ b/net/8021q/vlan_netlink.c @@ -23,6 +23,7 @@ static const struct nla_policy vlan_policy[IFLA_VLAN_MAX + 1] = { [IFLA_VLAN_FLAGS] = { .len = sizeof(struct ifla_vlan_flags) }, [IFLA_VLAN_EGRESS_QOS] = { .type = NLA_NESTED }, [IFLA_VLAN_INGRESS_QOS] = { .type = NLA_NESTED }, + [IFLA_VLAN_PROTOCOL] = { .type = NLA_U16 }, }; static const struct nla_policy vlan_map_policy[IFLA_VLAN_QOS_MAX + 1] = { @@ -53,6 +54,16 @@ static int vlan_validate(struct nlattr *tb[], struct nlattr *data[]) if (!data) return -EINVAL; + if (data[IFLA_VLAN_PROTOCOL]) { + switch (nla_get_be16(data[IFLA_VLAN_PROTOCOL])) { + case __constant_htons(ETH_P_8021Q): + case __constant_htons(ETH_P_8021AD): + break; + default: + return -EPROTONOSUPPORT; + } + } + if (data[IFLA_VLAN_ID]) { id = nla_get_u16(data[IFLA_VLAN_ID]); if (id >= VLAN_VID_MASK) @@ -107,6 +118,7 @@ static int vlan_newlink(struct net *src_net, struct net_device *dev, { struct vlan_dev_priv *vlan = vlan_dev_priv(dev); struct net_device *real_dev; + __be16 proto; int err; if (!data[IFLA_VLAN_ID]) @@ -118,7 +130,12 @@ static int vlan_newlink(struct net *src_net, struct net_device *dev, if (!real_dev) return -ENODEV; - vlan->vlan_proto = htons(ETH_P_8021Q); + if (data[IFLA_VLAN_PROTOCOL]) + proto = nla_get_be16(data[IFLA_VLAN_PROTOCOL]); + else + proto = htons(ETH_P_8021Q); + + vlan->vlan_proto = proto; vlan->vlan_id = nla_get_u16(data[IFLA_VLAN_ID]); vlan->real_dev = real_dev; vlan->flags = VLAN_FLAG_REORDER_HDR; @@ -152,7 +169,8 @@ static size_t vlan_get_size(const struct net_device *dev) { struct vlan_dev_priv *vlan = vlan_dev_priv(dev); - return nla_total_size(2) + /* IFLA_VLAN_ID */ + return nla_total_size(2) + /* IFLA_VLAN_PROTOCOL */ + nla_total_size(2) + /* IFLA_VLAN_ID */ sizeof(struct ifla_vlan_flags) + /* IFLA_VLAN_FLAGS */ vlan_qos_map_size(vlan->nr_ingress_mappings) + vlan_qos_map_size(vlan->nr_egress_mappings); @@ -167,7 +185,8 @@ static int vlan_fill_info(struct sk_buff *skb, const struct net_device *dev) struct nlattr *nest; unsigned int i; - if (nla_put_u16(skb, IFLA_VLAN_ID, vlan_dev_priv(dev)->vlan_id)) + if (nla_put_be16(skb, IFLA_VLAN_PROTOCOL, vlan->vlan_proto) || + nla_put_u16(skb, IFLA_VLAN_ID, vlan->vlan_id)) goto nla_put_failure; if (vlan->flags) { f.flags = vlan->flags; diff --git a/net/core/dev.c b/net/core/dev.c index 3a12ee132b59..fad4c385f7a1 100644 --- a/net/core/dev.c +++ b/net/core/dev.c @@ -2212,7 +2212,7 @@ __be16 skb_network_protocol(struct sk_buff *skb) __be16 type = skb->protocol; int vlan_depth = ETH_HLEN; - while (type == htons(ETH_P_8021Q)) { + while (type == htons(ETH_P_8021Q) || type == htons(ETH_P_8021AD)) { struct vlan_hdr *vh; if (unlikely(!pskb_may_pull(skb, vlan_depth + VLAN_HLEN))) @@ -2428,20 +2428,22 @@ netdev_features_t netif_skb_features(struct sk_buff *skb) if (skb_shinfo(skb)->gso_segs > skb->dev->gso_max_segs) features &= ~NETIF_F_GSO_MASK; - if (protocol == htons(ETH_P_8021Q)) { + if (protocol == htons(ETH_P_8021Q) || protocol == htons(ETH_P_8021AD)) { struct vlan_ethhdr *veh = (struct vlan_ethhdr *)skb->data; protocol = veh->h_vlan_encapsulated_proto; } else if (!vlan_tx_tag_present(skb)) { return harmonize_features(skb, protocol, features); } - features &= (skb->dev->vlan_features | NETIF_F_HW_VLAN_CTAG_TX); + features &= (skb->dev->vlan_features | NETIF_F_HW_VLAN_CTAG_TX | + NETIF_F_HW_VLAN_STAG_TX); - if (protocol != htons(ETH_P_8021Q)) { + if (protocol != htons(ETH_P_8021Q) && protocol != htons(ETH_P_8021AD)) { return harmonize_features(skb, protocol, features); } else { features &= NETIF_F_SG | NETIF_F_HIGHDMA | NETIF_F_FRAGLIST | - NETIF_F_GEN_CSUM | NETIF_F_HW_VLAN_CTAG_TX; + NETIF_F_GEN_CSUM | NETIF_F_HW_VLAN_CTAG_TX | + NETIF_F_HW_VLAN_STAG_TX; return harmonize_features(skb, protocol, features); } } @@ -3360,6 +3362,7 @@ static bool skb_pfmemalloc_protocol(struct sk_buff *skb) case __constant_htons(ETH_P_IP): case __constant_htons(ETH_P_IPV6): case __constant_htons(ETH_P_8021Q): + case __constant_htons(ETH_P_8021AD): return true; default: return false; @@ -3400,7 +3403,8 @@ another_round: __this_cpu_inc(softnet_data.processed); - if (skb->protocol == cpu_to_be16(ETH_P_8021Q)) { + if (skb->protocol == cpu_to_be16(ETH_P_8021Q) || + skb->protocol == cpu_to_be16(ETH_P_8021AD)) { skb = vlan_untag(skb); if (unlikely(!skb)) goto unlock; -- cgit v1.2.3 From 0ebd0ac5ff01ebf412e1bd3c33620ef7ffc5d866 Mon Sep 17 00:00:00 2001 From: Patrick McHardy Date: Wed, 17 Apr 2013 06:46:58 +0000 Subject: net: add function to allocate sk_buff head without data area Add a function to allocate a sk_buff head without any data. This will be used by memory mapped netlink to attach data from the mmaped area to the skb. Additionally change skb_release_all() to check whether the skb has a data area to allow the skb destructor to clear the data pointer in case only a head has been allocated. Signed-off-by: Patrick McHardy Signed-off-by: David S. Miller --- include/linux/skbuff.h | 6 ++++++ net/core/skbuff.c | 30 +++++++++++++++++++++++++++++- 2 files changed, 35 insertions(+), 1 deletion(-) (limited to 'net/core') diff --git a/include/linux/skbuff.h b/include/linux/skbuff.h index f5bed7b31954..2e0ced1af3b1 100644 --- a/include/linux/skbuff.h +++ b/include/linux/skbuff.h @@ -651,6 +651,12 @@ static inline struct sk_buff *alloc_skb_fclone(unsigned int size, return __alloc_skb(size, priority, SKB_ALLOC_FCLONE, NUMA_NO_NODE); } +extern struct sk_buff *__alloc_skb_head(gfp_t priority, int node); +static inline struct sk_buff *alloc_skb_head(gfp_t priority) +{ + return __alloc_skb_head(priority, -1); +} + extern struct sk_buff *skb_morph(struct sk_buff *dst, struct sk_buff *src); extern int skb_copy_ubufs(struct sk_buff *skb, gfp_t gfp_mask); extern struct sk_buff *skb_clone(struct sk_buff *skb, diff --git a/net/core/skbuff.c b/net/core/skbuff.c index a92d9e7d10f7..898cf5c566f9 100644 --- a/net/core/skbuff.c +++ b/net/core/skbuff.c @@ -179,6 +179,33 @@ out: * */ +struct sk_buff *__alloc_skb_head(gfp_t gfp_mask, int node) +{ + struct sk_buff *skb; + + /* Get the HEAD */ + skb = kmem_cache_alloc_node(skbuff_head_cache, + gfp_mask & ~__GFP_DMA, node); + if (!skb) + goto out; + + /* + * Only clear those fields we need to clear, not those that we will + * actually initialise below. Hence, don't put any more fields after + * the tail pointer in struct sk_buff! + */ + memset(skb, 0, offsetof(struct sk_buff, tail)); + skb->data = NULL; + skb->truesize = sizeof(struct sk_buff); + atomic_set(&skb->users, 1); + +#ifdef NET_SKBUFF_DATA_USES_OFFSET + skb->mac_header = ~0U; +#endif +out: + return skb; +} + /** * __alloc_skb - allocate a network buffer * @size: size to allocate @@ -584,7 +611,8 @@ static void skb_release_head_state(struct sk_buff *skb) static void skb_release_all(struct sk_buff *skb) { skb_release_head_state(skb); - skb_release_data(skb); + if (likely(skb->data)) + skb_release_data(skb); } /** -- cgit v1.2.3 From 2d6577f17bd2ad02029872551dc97e84e19422a7 Mon Sep 17 00:00:00 2001 From: "David S. Miller" Date: Fri, 19 Apr 2013 16:08:23 -0400 Subject: net: Add missing netdev feature strings for NETIF_F_HW_VLAN_STAG_* Noticed by Ben Hutchings. Signed-off-by: David S. Miller --- net/core/ethtool.c | 3 +++ 1 file changed, 3 insertions(+) (limited to 'net/core') diff --git a/net/core/ethtool.c b/net/core/ethtool.c index b87712cfd26c..5a934ef90f8b 100644 --- a/net/core/ethtool.c +++ b/net/core/ethtool.c @@ -64,6 +64,9 @@ static const char netdev_features_strings[NETDEV_FEATURE_COUNT][ETH_GSTRING_LEN] [NETIF_F_HW_VLAN_CTAG_RX_BIT] = "rx-vlan-ctag-hw-parse", [NETIF_F_HW_VLAN_CTAG_FILTER_BIT] = "rx-vlan-ctag-filter", + [NETIF_F_HW_VLAN_STAG_TX_BIT] = "tx-vlan-stag-hw-insert", + [NETIF_F_HW_VLAN_STAG_RX_BIT] = "rx-vlan-stag-hw-parse", + [NETIF_F_HW_VLAN_STAG_FILTER_BIT] = "rx-vlan-stag-filter", [NETIF_F_VLAN_CHALLENGED_BIT] = "vlan-challenged", [NETIF_F_GSO_BIT] = "tx-generic-segmentation", [NETIF_F_LLTX_BIT] = "tx-lockless", -- cgit v1.2.3 From 53759be99772f39db5148a7066a768066592a1e7 Mon Sep 17 00:00:00 2001 From: dingtianhong Date: Wed, 17 Apr 2013 22:17:50 +0000 Subject: net: Remove return value from list_netdevice() The return value from list_netdevice() is not used and no need, so remove it. Signed-off-by: Ding Tianhong Signed-off-by: David S. Miller --- net/core/dev.c | 4 +--- 1 file changed, 1 insertion(+), 3 deletions(-) (limited to 'net/core') diff --git a/net/core/dev.c b/net/core/dev.c index fad4c385f7a1..8a3cb2c50fbf 100644 --- a/net/core/dev.c +++ b/net/core/dev.c @@ -200,7 +200,7 @@ static inline void rps_unlock(struct softnet_data *sd) } /* Device list insertion */ -static int list_netdevice(struct net_device *dev) +static void list_netdevice(struct net_device *dev) { struct net *net = dev_net(dev); @@ -214,8 +214,6 @@ static int list_netdevice(struct net_device *dev) write_unlock_bh(&dev_base_lock); dev_base_seq_inc(net); - - return 0; } /* Device list removal -- cgit v1.2.3 From 2e31396fa14be50a98c5d2b00416ebd74d381c1f Mon Sep 17 00:00:00 2001 From: Willem de Bruijn Date: Tue, 23 Apr 2013 00:39:28 +0000 Subject: packet: tx timestamping on tpacket ring When transmit timestamping is enabled at the socket level, record a timestamp on packets written to a PACKET_TX_RING. Tx timestamps are always looped to the application over the socket error queue. Software timestamps are also written back into the packet frame header in the packet ring. Reported-by: Paul Chavent Signed-off-by: Willem de Bruijn Signed-off-by: David S. Miller --- net/core/skbuff.c | 12 ++++++------ net/packet/af_packet.c | 33 +++++++++++++++++++++++++++++++++ 2 files changed, 39 insertions(+), 6 deletions(-) (limited to 'net/core') diff --git a/net/core/skbuff.c b/net/core/skbuff.c index 898cf5c566f9..af9185d0be6a 100644 --- a/net/core/skbuff.c +++ b/net/core/skbuff.c @@ -3327,12 +3327,8 @@ void skb_tstamp_tx(struct sk_buff *orig_skb, if (!sk) return; - skb = skb_clone(orig_skb, GFP_ATOMIC); - if (!skb) - return; - if (hwtstamps) { - *skb_hwtstamps(skb) = + *skb_hwtstamps(orig_skb) = *hwtstamps; } else { /* @@ -3340,9 +3336,13 @@ void skb_tstamp_tx(struct sk_buff *orig_skb, * so keep the shared tx_flags and only * store software time stamp */ - skb->tstamp = ktime_get_real(); + orig_skb->tstamp = ktime_get_real(); } + skb = skb_clone(orig_skb, GFP_ATOMIC); + if (!skb) + return; + serr = SKB_EXT_ERR(skb); memset(serr, 0, sizeof(*serr)); serr->ee.ee_errno = ENOMSG; diff --git a/net/packet/af_packet.c b/net/packet/af_packet.c index 7e387ff64465..ec8ea27733ac 100644 --- a/net/packet/af_packet.c +++ b/net/packet/af_packet.c @@ -339,6 +339,37 @@ static int __packet_get_status(struct packet_sock *po, void *frame) } } +static void __packet_set_timestamp(struct packet_sock *po, void *frame, + ktime_t tstamp) +{ + union tpacket_uhdr h; + struct timespec ts; + + if (!ktime_to_timespec_cond(tstamp, &ts) || + !sock_flag(&po->sk, SOCK_TIMESTAMPING_SOFTWARE)) + return; + + h.raw = frame; + switch (po->tp_version) { + case TPACKET_V1: + h.h1->tp_sec = ts.tv_sec; + h.h1->tp_usec = ts.tv_nsec / NSEC_PER_USEC; + break; + case TPACKET_V2: + h.h2->tp_sec = ts.tv_sec; + h.h2->tp_nsec = ts.tv_nsec; + break; + case TPACKET_V3: + default: + WARN(1, "TPACKET version not supported.\n"); + BUG(); + } + + /* one flush is safe, as both fields always lie on the same cacheline */ + flush_dcache_page(pgv_to_page(&h.h1->tp_sec)); + smp_wmb(); +} + static void *packet_lookup_frame(struct packet_sock *po, struct packet_ring_buffer *rb, unsigned int position, @@ -1877,6 +1908,7 @@ static void tpacket_destruct_skb(struct sk_buff *skb) ph = skb_shinfo(skb)->destructor_arg; BUG_ON(atomic_read(&po->tx_ring.pending) == 0); atomic_dec(&po->tx_ring.pending); + __packet_set_timestamp(po, ph, skb->tstamp); __packet_set_status(po, ph, TP_STATUS_AVAILABLE); } @@ -1900,6 +1932,7 @@ static int tpacket_fill_skb(struct packet_sock *po, struct sk_buff *skb, skb->dev = dev; skb->priority = po->sk.sk_priority; skb->mark = po->sk.sk_mark; + sock_tx_timestamp(&po->sk, &skb_shinfo(skb)->tx_flags); skb_shinfo(skb)->destructor_arg = ph.raw; switch (po->tp_version) { -- cgit v1.2.3 From e12472dc574ca91be4cb87b14fb8cf90bee02c60 Mon Sep 17 00:00:00 2001 From: Eric Dumazet Date: Mon, 22 Apr 2013 14:31:34 +0000 Subject: net: remove redundant code in dev_hard_start_xmit() This reverts commit 068a2de57ddf4f4 (net: release dst entry while cache-hot for GSO case too) Before GSO packet segmentation, we already take care of skb->dst if it can be released. There is no point adding extra test for every segment in the gso loop. Signed-off-by: Eric Dumazet Cc: Krishna Kumar Signed-off-by: David S. Miller --- net/core/dev.c | 7 ------- 1 file changed, 7 deletions(-) (limited to 'net/core') diff --git a/net/core/dev.c b/net/core/dev.c index 9e26b8d9eafe..7c30dcecee1d 100644 --- a/net/core/dev.c +++ b/net/core/dev.c @@ -2546,13 +2546,6 @@ gso: skb->next = nskb->next; nskb->next = NULL; - /* - * If device doesn't need nskb->dst, release it right now while - * its hot in this cpu cache - */ - if (dev->priv_flags & IFF_XMIT_DST_RELEASE) - skb_dst_drop(nskb); - if (!list_empty(&ptype_all)) dev_queue_xmit_nit(nskb, dev); -- cgit v1.2.3 From 37fe0660981d7a1577409226f77554c2c5123e27 Mon Sep 17 00:00:00 2001 From: Vlad Yasevich Date: Tue, 23 Apr 2013 11:05:23 +0000 Subject: net: fix address check in rtnl_fdb_del Commit 6681712d67eef14c4ce793561c3231659153a320 vxlan: generalize forwarding tables relaxed the address checks in rtnl_fdb_del() to use is_zero_ether_addr(). This allows users to add multicast addresses using the fdb API. However, the check in rtnl_fdb_del() still uses a more strict is_valid_ether_addr() which rejects multicast addresses. Thus it is possible to add an fdb that can not be later removed. Relax the check in rtnl_fdb_del() as well. Signed-off-by: Vlad Yasevich Signed-off-by: David S. Miller --- net/core/rtnetlink.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) (limited to 'net/core') diff --git a/net/core/rtnetlink.c b/net/core/rtnetlink.c index 18af08a73f0a..a08bd2b7fe3f 100644 --- a/net/core/rtnetlink.c +++ b/net/core/rtnetlink.c @@ -2192,7 +2192,7 @@ static int rtnl_fdb_del(struct sk_buff *skb, struct nlmsghdr *nlh) } addr = nla_data(tb[NDA_LLADDR]); - if (!is_valid_ether_addr(addr)) { + if (is_zero_ether_addr(addr)) { pr_info("PF_BRIDGE: RTM_DELNEIGH with invalid ether address\n"); return -EINVAL; } -- cgit v1.2.3 From e8d9612c181b1a68ba5f71384629343466f1bd13 Mon Sep 17 00:00:00 2001 From: Nicolas Dichtel Date: Thu, 25 Apr 2013 06:53:54 +0000 Subject: sock_diag: allow to dump bpf filters This patch allows to dump BPF filters attached to a socket with SO_ATTACH_FILTER. Note that we check CAP_SYS_ADMIN before allowing to dump this info. For now, only AF_PACKET sockets use this feature. Signed-off-by: Nicolas Dichtel Signed-off-by: David S. Miller --- include/linux/sock_diag.h | 3 +++ include/uapi/linux/packet_diag.h | 2 ++ net/core/sock_diag.c | 33 +++++++++++++++++++++++++++++++++ net/packet/diag.c | 4 ++++ 4 files changed, 42 insertions(+) (limited to 'net/core') diff --git a/include/linux/sock_diag.h b/include/linux/sock_diag.h index e8d702e0fd89..54f91d35e5fd 100644 --- a/include/linux/sock_diag.h +++ b/include/linux/sock_diag.h @@ -1,6 +1,7 @@ #ifndef __SOCK_DIAG_H__ #define __SOCK_DIAG_H__ +#include #include struct sk_buff; @@ -22,5 +23,7 @@ int sock_diag_check_cookie(void *sk, __u32 *cookie); void sock_diag_save_cookie(void *sk, __u32 *cookie); int sock_diag_put_meminfo(struct sock *sk, struct sk_buff *skb, int attr); +int sock_diag_put_filterinfo(struct user_namespace *user_ns, struct sock *sk, + struct sk_buff *skb, int attrtype); #endif diff --git a/include/uapi/linux/packet_diag.h b/include/uapi/linux/packet_diag.h index c0802c18c8ad..b2cc0cd9c4d9 100644 --- a/include/uapi/linux/packet_diag.h +++ b/include/uapi/linux/packet_diag.h @@ -17,6 +17,7 @@ struct packet_diag_req { #define PACKET_SHOW_RING_CFG 0x00000004 /* Rings configuration parameters */ #define PACKET_SHOW_FANOUT 0x00000008 #define PACKET_SHOW_MEMINFO 0x00000010 +#define PACKET_SHOW_FILTER 0x00000020 struct packet_diag_msg { __u8 pdiag_family; @@ -35,6 +36,7 @@ enum { PACKET_DIAG_FANOUT, PACKET_DIAG_UID, PACKET_DIAG_MEMINFO, + PACKET_DIAG_FILTER, __PACKET_DIAG_MAX, }; diff --git a/net/core/sock_diag.c b/net/core/sock_diag.c index a29e90cf36b7..d5bef0b0f639 100644 --- a/net/core/sock_diag.c +++ b/net/core/sock_diag.c @@ -49,6 +49,39 @@ int sock_diag_put_meminfo(struct sock *sk, struct sk_buff *skb, int attrtype) } EXPORT_SYMBOL_GPL(sock_diag_put_meminfo); +int sock_diag_put_filterinfo(struct user_namespace *user_ns, struct sock *sk, + struct sk_buff *skb, int attrtype) +{ + struct nlattr *attr; + struct sk_filter *filter; + unsigned int len; + int err = 0; + + if (!ns_capable(user_ns, CAP_NET_ADMIN)) { + nla_reserve(skb, attrtype, 0); + return 0; + } + + rcu_read_lock(); + + filter = rcu_dereference(sk->sk_filter); + len = filter ? filter->len * sizeof(struct sock_filter) : 0; + + attr = nla_reserve(skb, attrtype, len); + if (attr == NULL) { + err = -EMSGSIZE; + goto out; + } + + if (filter) + memcpy(nla_data(attr), filter->insns, len); + +out: + rcu_read_unlock(); + return err; +} +EXPORT_SYMBOL(sock_diag_put_filterinfo); + void sock_diag_register_inet_compat(int (*fn)(struct sk_buff *skb, struct nlmsghdr *nlh)) { mutex_lock(&sock_diag_table_mutex); diff --git a/net/packet/diag.c b/net/packet/diag.c index 822fe9b33a49..a9584a2f6d69 100644 --- a/net/packet/diag.c +++ b/net/packet/diag.c @@ -170,6 +170,10 @@ static int sk_diag_fill(struct sock *sk, struct sk_buff *skb, sock_diag_put_meminfo(sk, skb, PACKET_DIAG_MEMINFO)) goto out_nlmsg_trim; + if ((req->pdiag_show & PACKET_SHOW_FILTER) && + sock_diag_put_filterinfo(user_ns, sk, skb, PACKET_DIAG_FILTER)) + goto out_nlmsg_trim; + return nlmsg_end(skb, nlh); out_nlmsg_trim: -- cgit v1.2.3 From aebda156a570782a86fc4426842152237a19427d Mon Sep 17 00:00:00 2001 From: Eric Dumazet Date: Mon, 29 Apr 2013 05:58:52 +0000 Subject: net: defer net_secret[] initialization Instead of feeding net_secret[] at boot time, defer the init at the point first socket is created. This permits some platforms to use better entropy sources than the ones available at boot time. Signed-off-by: Eric Dumazet Signed-off-by: David S. Miller --- include/net/secure_seq.h | 1 + net/core/secure_seq.c | 4 +--- net/ipv4/af_inet.c | 5 ++++- 3 files changed, 6 insertions(+), 4 deletions(-) (limited to 'net/core') diff --git a/include/net/secure_seq.h b/include/net/secure_seq.h index c2e542b27a5a..6ca975bebd37 100644 --- a/include/net/secure_seq.h +++ b/include/net/secure_seq.h @@ -3,6 +3,7 @@ #include +extern void net_secret_init(void); extern __u32 secure_ip_id(__be32 daddr); extern __u32 secure_ipv6_id(const __be32 daddr[4]); extern u32 secure_ipv4_port_ephemeral(__be32 saddr, __be32 daddr, __be16 dport); diff --git a/net/core/secure_seq.c b/net/core/secure_seq.c index e61a8bb7fce7..6a2f13cee86a 100644 --- a/net/core/secure_seq.c +++ b/net/core/secure_seq.c @@ -12,12 +12,10 @@ static u32 net_secret[MD5_MESSAGE_BYTES / 4] ____cacheline_aligned; -static int __init net_secret_init(void) +void net_secret_init(void) { get_random_bytes(net_secret, sizeof(net_secret)); - return 0; } -late_initcall(net_secret_init); #ifdef CONFIG_INET static u32 seq_scale(u32 seq) diff --git a/net/ipv4/af_inet.c b/net/ipv4/af_inet.c index 93824c57b108..c61b3bb87a16 100644 --- a/net/ipv4/af_inet.c +++ b/net/ipv4/af_inet.c @@ -114,6 +114,7 @@ #include #include #include +#include #ifdef CONFIG_IP_MROUTE #include #endif @@ -262,8 +263,10 @@ void build_ehash_secret(void) get_random_bytes(&rnd, sizeof(rnd)); } while (rnd == 0); - if (cmpxchg(&inet_ehash_secret, 0, rnd) == 0) + if (cmpxchg(&inet_ehash_secret, 0, rnd) == 0) { get_random_bytes(&ipv6_hash_secret, sizeof(ipv6_hash_secret)); + net_secret_init(); + } } EXPORT_SYMBOL(build_ehash_secret); -- cgit v1.2.3 From 0c772159d1ae15c664304f0830c9aec4702593da Mon Sep 17 00:00:00 2001 From: Sridhar Samudrala Date: Mon, 29 Apr 2013 13:02:42 +0000 Subject: net: Use consume_skb() to free gso segmented skb Use consume_skb() to free the original skb that is successfully transmitted as gso segmented skbs so that it is not treated as a drop due to an error. Signed-off-by: Sridhar Samudrala Acked-by: Eric Dumazet Signed-off-by: David S. Miller --- net/core/dev.c | 5 ++++- 1 file changed, 4 insertions(+), 1 deletion(-) (limited to 'net/core') diff --git a/net/core/dev.c b/net/core/dev.c index 7c30dcecee1d..4040673f806a 100644 --- a/net/core/dev.c +++ b/net/core/dev.c @@ -2565,8 +2565,11 @@ gso: } while (skb->next); out_kfree_gso_skb: - if (likely(skb->next == NULL)) + if (likely(skb->next == NULL)) { skb->destructor = DEV_GSO_CB(skb)->destructor; + consume_skb(skb); + return rc; + } out_kfree_skb: kfree_skb(skb); out: -- cgit v1.2.3 From add05ad4e9f5c4efee9b98535db5efa32b0d0492 Mon Sep 17 00:00:00 2001 From: Benjamin Poirier Date: Mon, 29 Apr 2013 11:42:12 +0000 Subject: unix/dgram: peek beyond 0-sized skbs "77c1090 net: fix infinite loop in __skb_recv_datagram()" (v3.8) introduced a regression: After that commit, recv can no longer peek beyond a 0-sized skb in the queue. __skb_recv_datagram() instead stops at the first skb with len == 0 and results in the system call failing with -EFAULT via skb_copy_datagram_iovec(). When peeking at an offset with 0-sized skb(s), each one of those is received only once, in sequence. The offset starts moving forward again after receiving datagrams with len > 0. Signed-off-by: Benjamin Poirier Acked-by: Eric Dumazet Signed-off-by: David S. Miller --- net/core/datagram.c | 3 ++- 1 file changed, 2 insertions(+), 1 deletion(-) (limited to 'net/core') diff --git a/net/core/datagram.c b/net/core/datagram.c index 368f9c3f9dc6..99c4f525b1d9 100644 --- a/net/core/datagram.c +++ b/net/core/datagram.c @@ -187,7 +187,8 @@ struct sk_buff *__skb_recv_datagram(struct sock *sk, unsigned int flags, skb_queue_walk(queue, skb) { *peeked = skb->peeked; if (flags & MSG_PEEK) { - if (*off >= skb->len && skb->len) { + if (*off >= skb->len && (skb->len || *off || + skb->peeked)) { *off -= skb->len; continue; } -- cgit v1.2.3 From 39cc86130bc045d87f525ce7742da308ff757cec Mon Sep 17 00:00:00 2001 From: Benjamin Poirier Date: Mon, 29 Apr 2013 11:42:13 +0000 Subject: unix/dgram: fix peeking with an offset larger than data in queue Currently, peeking on a unix datagram socket with an offset larger than len of the data in the sk receive queue returns immediately with bogus data. That's because *off is not reset between each skb_queue_walk(). This patch fixes this so that the behavior is the same as peeking with no offset on an empty queue: the caller blocks. Signed-off-by: Benjamin Poirier Acked-by: Eric Dumazet Signed-off-by: David S. Miller --- net/core/datagram.c | 21 +++++++++++++-------- 1 file changed, 13 insertions(+), 8 deletions(-) (limited to 'net/core') diff --git a/net/core/datagram.c b/net/core/datagram.c index 99c4f525b1d9..b5d48ac2a9c1 100644 --- a/net/core/datagram.c +++ b/net/core/datagram.c @@ -78,9 +78,10 @@ static int receiver_wake_function(wait_queue_t *wait, unsigned int mode, int syn return autoremove_wake_function(wait, mode, sync, key); } /* - * Wait for a packet.. + * Wait for the last received packet to be different from skb */ -static int wait_for_packet(struct sock *sk, int *err, long *timeo_p) +static int wait_for_more_packets(struct sock *sk, int *err, long *timeo_p, + const struct sk_buff *skb) { int error; DEFINE_WAIT_FUNC(wait, receiver_wake_function); @@ -92,7 +93,7 @@ static int wait_for_packet(struct sock *sk, int *err, long *timeo_p) if (error) goto out_err; - if (!skb_queue_empty(&sk->sk_receive_queue)) + if (sk->sk_receive_queue.prev != skb) goto out; /* Socket shut down? */ @@ -131,9 +132,9 @@ out_noerr: * __skb_recv_datagram - Receive a datagram skbuff * @sk: socket * @flags: MSG_ flags + * @peeked: returns non-zero if this packet has been seen before * @off: an offset in bytes to peek skb from. Returns an offset * within an skb where data actually starts - * @peeked: returns non-zero if this packet has been seen before * @err: error code returned * * Get a datagram skbuff, understands the peeking, nonblocking wakeups @@ -161,7 +162,7 @@ out_noerr: struct sk_buff *__skb_recv_datagram(struct sock *sk, unsigned int flags, int *peeked, int *off, int *err) { - struct sk_buff *skb; + struct sk_buff *skb, *last; long timeo; /* * Caller is allowed not to check sk->sk_err before skb_recv_datagram() @@ -182,14 +183,17 @@ struct sk_buff *__skb_recv_datagram(struct sock *sk, unsigned int flags, */ unsigned long cpu_flags; struct sk_buff_head *queue = &sk->sk_receive_queue; + int _off = *off; + last = (struct sk_buff *)queue; spin_lock_irqsave(&queue->lock, cpu_flags); skb_queue_walk(queue, skb) { + last = skb; *peeked = skb->peeked; if (flags & MSG_PEEK) { - if (*off >= skb->len && (skb->len || *off || + if (_off >= skb->len && (skb->len || _off || skb->peeked)) { - *off -= skb->len; + _off -= skb->len; continue; } skb->peeked = 1; @@ -198,6 +202,7 @@ struct sk_buff *__skb_recv_datagram(struct sock *sk, unsigned int flags, __skb_unlink(skb, queue); spin_unlock_irqrestore(&queue->lock, cpu_flags); + *off = _off; return skb; } spin_unlock_irqrestore(&queue->lock, cpu_flags); @@ -207,7 +212,7 @@ struct sk_buff *__skb_recv_datagram(struct sock *sk, unsigned int flags, if (!timeo) goto no_packet; - } while (!wait_for_packet(sk, err, &timeo)); + } while (!wait_for_more_packets(sk, err, &timeo, last)); return NULL; -- cgit v1.2.3 From bd7c4b604a6cd707803c7c6ba142bfa131f9a9f3 Mon Sep 17 00:00:00 2001 From: Neil Horman Date: Tue, 30 Apr 2013 05:35:05 +0000 Subject: netpoll: convert mutex into a semaphore Bart Van Assche recently reported a warning to me: [] warn_slowpath_common+0x7f/0xc0 [] warn_slowpath_null+0x1a/0x20 [] mutex_trylock+0x16d/0x180 [] netpoll_poll_dev+0x49/0xc30 [] ? __alloc_skb+0x82/0x2a0 [] netpoll_send_skb_on_dev+0x265/0x410 [] netpoll_send_udp+0x28a/0x3a0 [] ? write_msg+0x53/0x110 [netconsole] [] write_msg+0xcf/0x110 [netconsole] [] call_console_drivers.constprop.17+0xa1/0x1c0 [] console_unlock+0x2d6/0x450 [] vprintk_emit+0x1ee/0x510 [] printk+0x4d/0x4f [] scsi_print_command+0x7d/0xe0 [scsi_mod] This resulted from my commit ca99ca14c which introduced a mutex_trylock operation in a path that could execute in interrupt context. When mutex debugging is enabled, the above warns the user when we are in fact exectuting in interrupt context interrupt context. After some discussion, It seems that a semaphore is the proper mechanism to use here. While mutexes are defined to be unusable in interrupt context, no such condition exists for semaphores (save for the fact that the non blocking api calls, like up and down_trylock must be used when in irq context). Signed-off-by: Neil Horman Reported-by: Bart Van Assche CC: Bart Van Assche CC: David Miller CC: netdev@vger.kernel.org Signed-off-by: David S. Miller --- include/linux/netpoll.h | 2 +- net/core/netpoll.c | 14 +++++++------- 2 files changed, 8 insertions(+), 8 deletions(-) (limited to 'net/core') diff --git a/include/linux/netpoll.h b/include/linux/netpoll.h index 9d7d8c64f7c8..fa2cb76a7029 100644 --- a/include/linux/netpoll.h +++ b/include/linux/netpoll.h @@ -40,7 +40,7 @@ struct netpoll_info { unsigned long rx_flags; spinlock_t rx_lock; - struct mutex dev_lock; + struct semaphore dev_lock; struct list_head rx_np; /* netpolls that registered an rx_hook */ struct sk_buff_head neigh_tx; /* list of neigh requests to reply to */ diff --git a/net/core/netpoll.c b/net/core/netpoll.c index 209d84253dd5..a5802a8b652f 100644 --- a/net/core/netpoll.c +++ b/net/core/netpoll.c @@ -206,17 +206,17 @@ static void netpoll_poll_dev(struct net_device *dev) * the dev_open/close paths use this to block netpoll activity * while changing device state */ - if (!mutex_trylock(&ni->dev_lock)) + if (!down_trylock(&ni->dev_lock)) return; if (!netif_running(dev)) { - mutex_unlock(&ni->dev_lock); + up(&ni->dev_lock); return; } ops = dev->netdev_ops; if (!ops->ndo_poll_controller) { - mutex_unlock(&ni->dev_lock); + up(&ni->dev_lock); return; } @@ -225,7 +225,7 @@ static void netpoll_poll_dev(struct net_device *dev) poll_napi(dev); - mutex_unlock(&ni->dev_lock); + up(&ni->dev_lock); if (dev->flags & IFF_SLAVE) { if (ni) { @@ -255,7 +255,7 @@ int netpoll_rx_disable(struct net_device *dev) idx = srcu_read_lock(&netpoll_srcu); ni = srcu_dereference(dev->npinfo, &netpoll_srcu); if (ni) - mutex_lock(&ni->dev_lock); + down(&ni->dev_lock); srcu_read_unlock(&netpoll_srcu, idx); return 0; } @@ -267,7 +267,7 @@ void netpoll_rx_enable(struct net_device *dev) rcu_read_lock(); ni = rcu_dereference(dev->npinfo); if (ni) - mutex_unlock(&ni->dev_lock); + up(&ni->dev_lock); rcu_read_unlock(); } EXPORT_SYMBOL(netpoll_rx_enable); @@ -1047,7 +1047,7 @@ int __netpoll_setup(struct netpoll *np, struct net_device *ndev, gfp_t gfp) INIT_LIST_HEAD(&npinfo->rx_np); spin_lock_init(&npinfo->rx_lock); - mutex_init(&npinfo->dev_lock); + sema_init(&npinfo->dev_lock, 1); skb_queue_head_init(&npinfo->neigh_tx); skb_queue_head_init(&npinfo->txq); INIT_DELAYED_WORK(&npinfo->tx_work, queue_process); -- cgit v1.2.3