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-rw-r--r--net/ipv6/addrconf.c75
-rw-r--r--net/ipv6/af_inet6.c29
-rw-r--r--net/ipv6/ah6.c12
-rw-r--r--net/ipv6/anycast.c8
-rw-r--r--net/ipv6/datagram.c36
-rw-r--r--net/ipv6/exthdrs.c18
-rw-r--r--net/ipv6/exthdrs_core.c11
-rw-r--r--net/ipv6/fib6_rules.c2
-rw-r--r--net/ipv6/icmp.c25
-rw-r--r--net/ipv6/inet6_connection_sock.c12
-rw-r--r--net/ipv6/ip6_fib.c234
-rw-r--r--net/ipv6/ip6_flowlabel.c2
-rw-r--r--net/ipv6/ip6_input.c3
-rw-r--r--net/ipv6/ip6_output.c35
-rw-r--r--net/ipv6/ip6_tunnel.c24
-rw-r--r--net/ipv6/ip6mr.c12
-rw-r--r--net/ipv6/ipv6_sockglue.c8
-rw-r--r--net/ipv6/mcast.c44
-rw-r--r--net/ipv6/mip6.c4
-rw-r--r--net/ipv6/ndisc.c54
-rw-r--r--net/ipv6/netfilter/Kconfig10
-rw-r--r--net/ipv6/netfilter/Makefile1
-rw-r--r--net/ipv6/netfilter/ip6_queue.c5
-rw-r--r--net/ipv6/netfilter/ip6t_REJECT.c11
-rw-r--r--net/ipv6/netfilter/ip6t_rpfilter.c133
-rw-r--r--net/ipv6/netfilter/ip6table_filter.c2
-rw-r--r--net/ipv6/proc.c15
-rw-r--r--net/ipv6/raw.c19
-rw-r--r--net/ipv6/reassembly.c4
-rw-r--r--net/ipv6/route.c311
-rw-r--r--net/ipv6/sit.c10
-rw-r--r--net/ipv6/syncookies.c8
-rw-r--r--net/ipv6/tcp_ipv6.c54
-rw-r--r--net/ipv6/udp.c17
-rw-r--r--net/ipv6/xfrm6_mode_beet.c8
-rw-r--r--net/ipv6/xfrm6_mode_tunnel.c4
-rw-r--r--net/ipv6/xfrm6_output.c4
-rw-r--r--net/ipv6/xfrm6_policy.c4
-rw-r--r--net/ipv6/xfrm6_state.c4
39 files changed, 774 insertions, 498 deletions
diff --git a/net/ipv6/addrconf.c b/net/ipv6/addrconf.c
index 36806def8cfd..0ba0866230c9 100644
--- a/net/ipv6/addrconf.c
+++ b/net/ipv6/addrconf.c
@@ -630,13 +630,13 @@ ipv6_add_addr(struct inet6_dev *idev, const struct in6_addr *addr, int pfxlen,
goto out;
}
- rt = addrconf_dst_alloc(idev, addr, 0);
+ rt = addrconf_dst_alloc(idev, addr, false);
if (IS_ERR(rt)) {
err = PTR_ERR(rt);
goto out;
}
- ipv6_addr_copy(&ifa->addr, addr);
+ ifa->addr = *addr;
spin_lock_init(&ifa->lock);
spin_lock_init(&ifa->state_lock);
@@ -650,16 +650,6 @@ ipv6_add_addr(struct inet6_dev *idev, const struct in6_addr *addr, int pfxlen,
ifa->rt = rt;
- /*
- * part one of RFC 4429, section 3.3
- * We should not configure an address as
- * optimistic if we do not yet know the link
- * layer address of our nexhop router
- */
-
- if (dst_get_neighbour_raw(&rt->dst) == NULL)
- ifa->flags &= ~IFA_F_OPTIMISTIC;
-
ifa->idev = idev;
in6_dev_hold(idev);
/* For caller */
@@ -807,7 +797,7 @@ static void ipv6_del_addr(struct inet6_ifaddr *ifp)
ip6_del_rt(rt);
rt = NULL;
} else if (!(rt->rt6i_flags & RTF_EXPIRES)) {
- rt->rt6i_expires = expires;
+ rt->dst.expires = expires;
rt->rt6i_flags |= RTF_EXPIRES;
}
}
@@ -1228,7 +1218,7 @@ try_nextdev:
if (!hiscore->ifa)
return -EADDRNOTAVAIL;
- ipv6_addr_copy(saddr, &hiscore->ifa->addr);
+ *saddr = hiscore->ifa->addr;
in6_ifa_put(hiscore->ifa);
return 0;
}
@@ -1249,7 +1239,7 @@ int ipv6_get_lladdr(struct net_device *dev, struct in6_addr *addr,
list_for_each_entry(ifp, &idev->addr_list, if_list) {
if (ifp->scope == IFA_LINK &&
!(ifp->flags & banned_flags)) {
- ipv6_addr_copy(addr, &ifp->addr);
+ *addr = ifp->addr;
err = 0;
break;
}
@@ -1700,7 +1690,7 @@ addrconf_prefix_route(struct in6_addr *pfx, int plen, struct net_device *dev,
.fc_protocol = RTPROT_KERNEL,
};
- ipv6_addr_copy(&cfg.fc_dst, pfx);
+ cfg.fc_dst = *pfx;
/* Prevent useless cloning on PtP SIT.
This thing is done here expecting that the whole
@@ -1733,7 +1723,7 @@ static struct rt6_info *addrconf_get_prefix_route(const struct in6_addr *pfx,
if (!fn)
goto out;
for (rt = fn->leaf; rt; rt = rt->dst.rt6_next) {
- if (rt->rt6i_dev->ifindex != dev->ifindex)
+ if (rt->dst.dev->ifindex != dev->ifindex)
continue;
if ((rt->rt6i_flags & flags) != flags)
continue;
@@ -1813,7 +1803,7 @@ static struct inet6_dev *addrconf_add_dev(struct net_device *dev)
return idev;
}
-void addrconf_prefix_rcv(struct net_device *dev, u8 *opt, int len)
+void addrconf_prefix_rcv(struct net_device *dev, u8 *opt, int len, bool sllao)
{
struct prefix_info *pinfo;
__u32 valid_lft;
@@ -1891,11 +1881,11 @@ void addrconf_prefix_rcv(struct net_device *dev, u8 *opt, int len)
rt = NULL;
} else if (addrconf_finite_timeout(rt_expires)) {
/* not infinity */
- rt->rt6i_expires = jiffies + rt_expires;
+ rt->dst.expires = jiffies + rt_expires;
rt->rt6i_flags |= RTF_EXPIRES;
} else {
rt->rt6i_flags &= ~RTF_EXPIRES;
- rt->rt6i_expires = 0;
+ rt->dst.expires = 0;
}
} else if (valid_lft) {
clock_t expires = 0;
@@ -1944,7 +1934,7 @@ ok:
#ifdef CONFIG_IPV6_OPTIMISTIC_DAD
if (in6_dev->cnf.optimistic_dad &&
- !net->ipv6.devconf_all->forwarding)
+ !net->ipv6.devconf_all->forwarding && sllao)
addr_flags = IFA_F_OPTIMISTIC;
#endif
@@ -3078,20 +3068,39 @@ static void addrconf_dad_run(struct inet6_dev *idev)
struct if6_iter_state {
struct seq_net_private p;
int bucket;
+ int offset;
};
-static struct inet6_ifaddr *if6_get_first(struct seq_file *seq)
+static struct inet6_ifaddr *if6_get_first(struct seq_file *seq, loff_t pos)
{
struct inet6_ifaddr *ifa = NULL;
struct if6_iter_state *state = seq->private;
struct net *net = seq_file_net(seq);
+ int p = 0;
- for (state->bucket = 0; state->bucket < IN6_ADDR_HSIZE; ++state->bucket) {
+ /* initial bucket if pos is 0 */
+ if (pos == 0) {
+ state->bucket = 0;
+ state->offset = 0;
+ }
+
+ for (; state->bucket < IN6_ADDR_HSIZE; ++state->bucket) {
struct hlist_node *n;
hlist_for_each_entry_rcu_bh(ifa, n, &inet6_addr_lst[state->bucket],
- addr_lst)
+ addr_lst) {
+ /* sync with offset */
+ if (p < state->offset) {
+ p++;
+ continue;
+ }
+ state->offset++;
if (net_eq(dev_net(ifa->idev->dev), net))
return ifa;
+ }
+
+ /* prepare for next bucket */
+ state->offset = 0;
+ p = 0;
}
return NULL;
}
@@ -3103,13 +3112,17 @@ static struct inet6_ifaddr *if6_get_next(struct seq_file *seq,
struct net *net = seq_file_net(seq);
struct hlist_node *n = &ifa->addr_lst;
- hlist_for_each_entry_continue_rcu_bh(ifa, n, addr_lst)
+ hlist_for_each_entry_continue_rcu_bh(ifa, n, addr_lst) {
+ state->offset++;
if (net_eq(dev_net(ifa->idev->dev), net))
return ifa;
+ }
while (++state->bucket < IN6_ADDR_HSIZE) {
+ state->offset = 0;
hlist_for_each_entry_rcu_bh(ifa, n,
&inet6_addr_lst[state->bucket], addr_lst) {
+ state->offset++;
if (net_eq(dev_net(ifa->idev->dev), net))
return ifa;
}
@@ -3118,21 +3131,11 @@ static struct inet6_ifaddr *if6_get_next(struct seq_file *seq,
return NULL;
}
-static struct inet6_ifaddr *if6_get_idx(struct seq_file *seq, loff_t pos)
-{
- struct inet6_ifaddr *ifa = if6_get_first(seq);
-
- if (ifa)
- while (pos && (ifa = if6_get_next(seq, ifa)) != NULL)
- --pos;
- return pos ? NULL : ifa;
-}
-
static void *if6_seq_start(struct seq_file *seq, loff_t *pos)
__acquires(rcu_bh)
{
rcu_read_lock_bh();
- return if6_get_idx(seq, *pos);
+ return if6_get_first(seq, *pos);
}
static void *if6_seq_next(struct seq_file *seq, void *v, loff_t *pos)
diff --git a/net/ipv6/af_inet6.c b/net/ipv6/af_inet6.c
index d27c797f9f05..273f48d1df2e 100644
--- a/net/ipv6/af_inet6.c
+++ b/net/ipv6/af_inet6.c
@@ -347,7 +347,7 @@ int inet6_bind(struct socket *sock, struct sockaddr *uaddr, int addr_len)
*/
v4addr = LOOPBACK4_IPV6;
if (!(addr_type & IPV6_ADDR_MULTICAST)) {
- if (!inet->transparent &&
+ if (!(inet->freebind || inet->transparent) &&
!ipv6_chk_addr(net, &addr->sin6_addr,
dev, 0)) {
err = -EADDRNOTAVAIL;
@@ -361,10 +361,10 @@ int inet6_bind(struct socket *sock, struct sockaddr *uaddr, int addr_len)
inet->inet_rcv_saddr = v4addr;
inet->inet_saddr = v4addr;
- ipv6_addr_copy(&np->rcv_saddr, &addr->sin6_addr);
+ np->rcv_saddr = addr->sin6_addr;
if (!(addr_type & IPV6_ADDR_MULTICAST))
- ipv6_addr_copy(&np->saddr, &addr->sin6_addr);
+ np->saddr = addr->sin6_addr;
/* Make sure we are allowed to bind here. */
if (sk->sk_prot->get_port(sk, snum)) {
@@ -458,14 +458,14 @@ int inet6_getname(struct socket *sock, struct sockaddr *uaddr,
peer == 1)
return -ENOTCONN;
sin->sin6_port = inet->inet_dport;
- ipv6_addr_copy(&sin->sin6_addr, &np->daddr);
+ sin->sin6_addr = np->daddr;
if (np->sndflow)
sin->sin6_flowinfo = np->flow_label;
} else {
if (ipv6_addr_any(&np->rcv_saddr))
- ipv6_addr_copy(&sin->sin6_addr, &np->saddr);
+ sin->sin6_addr = np->saddr;
else
- ipv6_addr_copy(&sin->sin6_addr, &np->rcv_saddr);
+ sin->sin6_addr = np->rcv_saddr;
sin->sin6_port = inet->inet_sport;
}
@@ -660,8 +660,8 @@ int inet6_sk_rebuild_header(struct sock *sk)
memset(&fl6, 0, sizeof(fl6));
fl6.flowi6_proto = sk->sk_protocol;
- ipv6_addr_copy(&fl6.daddr, &np->daddr);
- ipv6_addr_copy(&fl6.saddr, &np->saddr);
+ fl6.daddr = np->daddr;
+ fl6.saddr = np->saddr;
fl6.flowlabel = np->flow_label;
fl6.flowi6_oif = sk->sk_bound_dev_if;
fl6.flowi6_mark = sk->sk_mark;
@@ -769,7 +769,8 @@ out:
return err;
}
-static struct sk_buff *ipv6_gso_segment(struct sk_buff *skb, u32 features)
+static struct sk_buff *ipv6_gso_segment(struct sk_buff *skb,
+ netdev_features_t features)
{
struct sk_buff *segs = ERR_PTR(-EINVAL);
struct ipv6hdr *ipv6h;
@@ -985,9 +986,9 @@ static int __net_init ipv6_init_mibs(struct net *net)
sizeof(struct icmpv6_mib),
__alignof__(struct icmpv6_mib)) < 0)
goto err_icmp_mib;
- if (snmp_mib_init((void __percpu **)net->mib.icmpv6msg_statistics,
- sizeof(struct icmpv6msg_mib),
- __alignof__(struct icmpv6msg_mib)) < 0)
+ net->mib.icmpv6msg_statistics = kzalloc(sizeof(struct icmpv6msg_mib),
+ GFP_KERNEL);
+ if (!net->mib.icmpv6msg_statistics)
goto err_icmpmsg_mib;
return 0;
@@ -1008,7 +1009,7 @@ static void ipv6_cleanup_mibs(struct net *net)
snmp_mib_free((void __percpu **)net->mib.udplite_stats_in6);
snmp_mib_free((void __percpu **)net->mib.ipv6_statistics);
snmp_mib_free((void __percpu **)net->mib.icmpv6_statistics);
- snmp_mib_free((void __percpu **)net->mib.icmpv6msg_statistics);
+ kfree(net->mib.icmpv6msg_statistics);
}
static int __net_init inet6_net_init(struct net *net)
@@ -1115,6 +1116,8 @@ static int __init inet6_init(void)
if (err)
goto static_sysctl_fail;
#endif
+ tcpv6_prot.sysctl_mem = init_net.ipv4.sysctl_tcp_mem;
+
/*
* ipngwg API draft makes clear that the correct semantics
* for TCP and UDP is to consider one TCP and UDP instance
diff --git a/net/ipv6/ah6.c b/net/ipv6/ah6.c
index 4c0f894d0843..2ae79dbeec2f 100644
--- a/net/ipv6/ah6.c
+++ b/net/ipv6/ah6.c
@@ -193,9 +193,9 @@ static void ipv6_rearrange_destopt(struct ipv6hdr *iph, struct ipv6_opt_hdr *des
printk(KERN_WARNING "destopt hao: invalid header length: %u\n", hao->length);
goto bad;
}
- ipv6_addr_copy(&final_addr, &hao->addr);
- ipv6_addr_copy(&hao->addr, &iph->saddr);
- ipv6_addr_copy(&iph->saddr, &final_addr);
+ final_addr = hao->addr;
+ hao->addr = iph->saddr;
+ iph->saddr = final_addr;
}
break;
}
@@ -241,13 +241,13 @@ static void ipv6_rearrange_rthdr(struct ipv6hdr *iph, struct ipv6_rt_hdr *rthdr)
segments = rthdr->hdrlen >> 1;
addrs = ((struct rt0_hdr *)rthdr)->addr;
- ipv6_addr_copy(&final_addr, addrs + segments - 1);
+ final_addr = addrs[segments - 1];
addrs += segments - segments_left;
memmove(addrs + 1, addrs, (segments_left - 1) * sizeof(*addrs));
- ipv6_addr_copy(addrs, &iph->daddr);
- ipv6_addr_copy(&iph->daddr, &final_addr);
+ addrs[0] = iph->daddr;
+ iph->daddr = final_addr;
}
static int ipv6_clear_mutable_options(struct ipv6hdr *iph, int len, int dir)
diff --git a/net/ipv6/anycast.c b/net/ipv6/anycast.c
index 674255f5e6b7..59402b4637f9 100644
--- a/net/ipv6/anycast.c
+++ b/net/ipv6/anycast.c
@@ -75,7 +75,7 @@ int ipv6_sock_ac_join(struct sock *sk, int ifindex, const struct in6_addr *addr)
if (pac == NULL)
return -ENOMEM;
pac->acl_next = NULL;
- ipv6_addr_copy(&pac->acl_addr, addr);
+ pac->acl_addr = *addr;
rcu_read_lock();
if (ifindex == 0) {
@@ -83,7 +83,7 @@ int ipv6_sock_ac_join(struct sock *sk, int ifindex, const struct in6_addr *addr)
rt = rt6_lookup(net, addr, NULL, 0, 0);
if (rt) {
- dev = rt->rt6i_dev;
+ dev = rt->dst.dev;
dst_release(&rt->dst);
} else if (ishost) {
err = -EADDRNOTAVAIL;
@@ -289,14 +289,14 @@ int ipv6_dev_ac_inc(struct net_device *dev, const struct in6_addr *addr)
goto out;
}
- rt = addrconf_dst_alloc(idev, addr, 1);
+ rt = addrconf_dst_alloc(idev, addr, true);
if (IS_ERR(rt)) {
kfree(aca);
err = PTR_ERR(rt);
goto out;
}
- ipv6_addr_copy(&aca->aca_addr, addr);
+ aca->aca_addr = *addr;
aca->aca_idev = idev;
aca->aca_rt = rt;
aca->aca_users = 1;
diff --git a/net/ipv6/datagram.c b/net/ipv6/datagram.c
index e2480691c220..ae08aee1773c 100644
--- a/net/ipv6/datagram.c
+++ b/net/ipv6/datagram.c
@@ -71,7 +71,7 @@ int ip6_datagram_connect(struct sock *sk, struct sockaddr *uaddr, int addr_len)
flowlabel = fl6_sock_lookup(sk, fl6.flowlabel);
if (flowlabel == NULL)
return -EINVAL;
- ipv6_addr_copy(&usin->sin6_addr, &flowlabel->dst);
+ usin->sin6_addr = flowlabel->dst;
}
}
@@ -143,7 +143,7 @@ ipv4_connected:
}
}
- ipv6_addr_copy(&np->daddr, daddr);
+ np->daddr = *daddr;
np->flow_label = fl6.flowlabel;
inet->inet_dport = usin->sin6_port;
@@ -154,8 +154,8 @@ ipv4_connected:
*/
fl6.flowi6_proto = sk->sk_protocol;
- ipv6_addr_copy(&fl6.daddr, &np->daddr);
- ipv6_addr_copy(&fl6.saddr, &np->saddr);
+ fl6.daddr = np->daddr;
+ fl6.saddr = np->saddr;
fl6.flowi6_oif = sk->sk_bound_dev_if;
fl6.flowi6_mark = sk->sk_mark;
fl6.fl6_dport = inet->inet_dport;
@@ -179,10 +179,10 @@ ipv4_connected:
/* source address lookup done in ip6_dst_lookup */
if (ipv6_addr_any(&np->saddr))
- ipv6_addr_copy(&np->saddr, &fl6.saddr);
+ np->saddr = fl6.saddr;
if (ipv6_addr_any(&np->rcv_saddr)) {
- ipv6_addr_copy(&np->rcv_saddr, &fl6.saddr);
+ np->rcv_saddr = fl6.saddr;
inet->inet_rcv_saddr = LOOPBACK4_IPV6;
if (sk->sk_prot->rehash)
sk->sk_prot->rehash(sk);
@@ -257,7 +257,7 @@ void ipv6_local_error(struct sock *sk, int err, struct flowi6 *fl6, u32 info)
skb_put(skb, sizeof(struct ipv6hdr));
skb_reset_network_header(skb);
iph = ipv6_hdr(skb);
- ipv6_addr_copy(&iph->daddr, &fl6->daddr);
+ iph->daddr = fl6->daddr;
serr = SKB_EXT_ERR(skb);
serr->ee.ee_errno = err;
@@ -294,7 +294,7 @@ void ipv6_local_rxpmtu(struct sock *sk, struct flowi6 *fl6, u32 mtu)
skb_put(skb, sizeof(struct ipv6hdr));
skb_reset_network_header(skb);
iph = ipv6_hdr(skb);
- ipv6_addr_copy(&iph->daddr, &fl6->daddr);
+ iph->daddr = fl6->daddr;
mtu_info = IP6CBMTU(skb);
@@ -303,7 +303,7 @@ void ipv6_local_rxpmtu(struct sock *sk, struct flowi6 *fl6, u32 mtu)
mtu_info->ip6m_addr.sin6_port = 0;
mtu_info->ip6m_addr.sin6_flowinfo = 0;
mtu_info->ip6m_addr.sin6_scope_id = fl6->flowi6_oif;
- ipv6_addr_copy(&mtu_info->ip6m_addr.sin6_addr, &ipv6_hdr(skb)->daddr);
+ mtu_info->ip6m_addr.sin6_addr = ipv6_hdr(skb)->daddr;
__skb_pull(skb, skb_tail_pointer(skb) - skb->data);
skb_reset_transport_header(skb);
@@ -354,8 +354,8 @@ int ipv6_recv_error(struct sock *sk, struct msghdr *msg, int len)
sin->sin6_port = serr->port;
sin->sin6_scope_id = 0;
if (skb->protocol == htons(ETH_P_IPV6)) {
- ipv6_addr_copy(&sin->sin6_addr,
- (struct in6_addr *)(nh + serr->addr_offset));
+ sin->sin6_addr =
+ *(struct in6_addr *)(nh + serr->addr_offset);
if (np->sndflow)
sin->sin6_flowinfo =
(*(__be32 *)(nh + serr->addr_offset - 24) &
@@ -376,7 +376,7 @@ int ipv6_recv_error(struct sock *sk, struct msghdr *msg, int len)
sin->sin6_flowinfo = 0;
sin->sin6_scope_id = 0;
if (skb->protocol == htons(ETH_P_IPV6)) {
- ipv6_addr_copy(&sin->sin6_addr, &ipv6_hdr(skb)->saddr);
+ sin->sin6_addr = ipv6_hdr(skb)->saddr;
if (np->rxopt.all)
datagram_recv_ctl(sk, msg, skb);
if (ipv6_addr_type(&sin->sin6_addr) & IPV6_ADDR_LINKLOCAL)
@@ -451,7 +451,7 @@ int ipv6_recv_rxpmtu(struct sock *sk, struct msghdr *msg, int len)
sin->sin6_flowinfo = 0;
sin->sin6_port = 0;
sin->sin6_scope_id = mtu_info.ip6m_addr.sin6_scope_id;
- ipv6_addr_copy(&sin->sin6_addr, &mtu_info.ip6m_addr.sin6_addr);
+ sin->sin6_addr = mtu_info.ip6m_addr.sin6_addr;
}
put_cmsg(msg, SOL_IPV6, IPV6_PATHMTU, sizeof(mtu_info), &mtu_info);
@@ -475,7 +475,7 @@ int datagram_recv_ctl(struct sock *sk, struct msghdr *msg, struct sk_buff *skb)
struct in6_pktinfo src_info;
src_info.ipi6_ifindex = opt->iif;
- ipv6_addr_copy(&src_info.ipi6_addr, &ipv6_hdr(skb)->daddr);
+ src_info.ipi6_addr = ipv6_hdr(skb)->daddr;
put_cmsg(msg, SOL_IPV6, IPV6_PKTINFO, sizeof(src_info), &src_info);
}
@@ -550,7 +550,7 @@ int datagram_recv_ctl(struct sock *sk, struct msghdr *msg, struct sk_buff *skb)
struct in6_pktinfo src_info;
src_info.ipi6_ifindex = opt->iif;
- ipv6_addr_copy(&src_info.ipi6_addr, &ipv6_hdr(skb)->daddr);
+ src_info.ipi6_addr = ipv6_hdr(skb)->daddr;
put_cmsg(msg, SOL_IPV6, IPV6_2292PKTINFO, sizeof(src_info), &src_info);
}
if (np->rxopt.bits.rxohlim) {
@@ -584,7 +584,7 @@ int datagram_recv_ctl(struct sock *sk, struct msghdr *msg, struct sk_buff *skb)
*/
sin6.sin6_family = AF_INET6;
- ipv6_addr_copy(&sin6.sin6_addr, &ipv6_hdr(skb)->daddr);
+ sin6.sin6_addr = ipv6_hdr(skb)->daddr;
sin6.sin6_port = ports[1];
sin6.sin6_flowinfo = 0;
sin6.sin6_scope_id = 0;
@@ -654,12 +654,12 @@ int datagram_send_ctl(struct net *net, struct sock *sk,
if (addr_type != IPV6_ADDR_ANY) {
int strict = __ipv6_addr_src_scope(addr_type) <= IPV6_ADDR_SCOPE_LINKLOCAL;
- if (!inet_sk(sk)->transparent &&
+ if (!(inet_sk(sk)->freebind || inet_sk(sk)->transparent) &&
!ipv6_chk_addr(net, &src_info->ipi6_addr,
strict ? dev : NULL, 0))
err = -EINVAL;
else
- ipv6_addr_copy(&fl6->saddr, &src_info->ipi6_addr);
+ fl6->saddr = src_info->ipi6_addr;
}
rcu_read_unlock();
diff --git a/net/ipv6/exthdrs.c b/net/ipv6/exthdrs.c
index bf22a225f422..3d641b6e9b09 100644
--- a/net/ipv6/exthdrs.c
+++ b/net/ipv6/exthdrs.c
@@ -243,9 +243,9 @@ static int ipv6_dest_hao(struct sk_buff *skb, int optoff)
if (skb->ip_summed == CHECKSUM_COMPLETE)
skb->ip_summed = CHECKSUM_NONE;
- ipv6_addr_copy(&tmp_addr, &ipv6h->saddr);
- ipv6_addr_copy(&ipv6h->saddr, &hao->addr);
- ipv6_addr_copy(&hao->addr, &tmp_addr);
+ tmp_addr = ipv6h->saddr;
+ ipv6h->saddr = hao->addr;
+ hao->addr = tmp_addr;
if (skb->tstamp.tv64 == 0)
__net_timestamp(skb);
@@ -461,9 +461,9 @@ looped_back:
return -1;
}
- ipv6_addr_copy(&daddr, addr);
- ipv6_addr_copy(addr, &ipv6_hdr(skb)->daddr);
- ipv6_addr_copy(&ipv6_hdr(skb)->daddr, &daddr);
+ daddr = *addr;
+ *addr = ipv6_hdr(skb)->daddr;
+ ipv6_hdr(skb)->daddr = daddr;
skb_dst_drop(skb);
ip6_route_input(skb);
@@ -690,7 +690,7 @@ static void ipv6_push_rthdr(struct sk_buff *skb, u8 *proto,
memcpy(phdr->addr, ihdr->addr + 1,
(hops - 1) * sizeof(struct in6_addr));
- ipv6_addr_copy(phdr->addr + (hops - 1), *addr_p);
+ phdr->addr[hops - 1] = **addr_p;
*addr_p = ihdr->addr;
phdr->rt_hdr.nexthdr = *proto;
@@ -888,8 +888,8 @@ struct in6_addr *fl6_update_dst(struct flowi6 *fl6,
if (!opt || !opt->srcrt)
return NULL;
- ipv6_addr_copy(orig, &fl6->daddr);
- ipv6_addr_copy(&fl6->daddr, ((struct rt0_hdr *)opt->srcrt)->addr);
+ *orig = fl6->daddr;
+ fl6->daddr = *((struct rt0_hdr *)opt->srcrt)->addr;
return orig;
}
diff --git a/net/ipv6/exthdrs_core.c b/net/ipv6/exthdrs_core.c
index 37f548b7f6dc..72957f4a7c6c 100644
--- a/net/ipv6/exthdrs_core.c
+++ b/net/ipv6/exthdrs_core.c
@@ -57,6 +57,9 @@ int ipv6_ext_hdr(u8 nexthdr)
* it returns NULL.
* - First fragment header is skipped, not-first ones
* are considered as unparsable.
+ * - Reports the offset field of the final fragment header so it is
+ * possible to tell whether this is a first fragment, later fragment,
+ * or not fragmented.
* - ESP is unparsable for now and considered like
* normal payload protocol.
* - Note also special handling of AUTH header. Thanks to IPsec wizards.
@@ -64,10 +67,13 @@ int ipv6_ext_hdr(u8 nexthdr)
* --ANK (980726)
*/
-int ipv6_skip_exthdr(const struct sk_buff *skb, int start, u8 *nexthdrp)
+int ipv6_skip_exthdr(const struct sk_buff *skb, int start, u8 *nexthdrp,
+ __be16 *frag_offp)
{
u8 nexthdr = *nexthdrp;
+ *frag_offp = 0;
+
while (ipv6_ext_hdr(nexthdr)) {
struct ipv6_opt_hdr _hdr, *hp;
int hdrlen;
@@ -87,7 +93,8 @@ int ipv6_skip_exthdr(const struct sk_buff *skb, int start, u8 *nexthdrp)
if (fp == NULL)
return -1;
- if (ntohs(*fp) & ~0x7)
+ *frag_offp = *fp;
+ if (ntohs(*frag_offp) & ~0x7)
break;
hdrlen = 8;
} else if (nexthdr == NEXTHDR_AUTH)
diff --git a/net/ipv6/fib6_rules.c b/net/ipv6/fib6_rules.c
index 295571576f83..b6c573152067 100644
--- a/net/ipv6/fib6_rules.c
+++ b/net/ipv6/fib6_rules.c
@@ -96,7 +96,7 @@ static int fib6_rule_action(struct fib_rule *rule, struct flowi *flp,
if (!ipv6_prefix_equal(&saddr, &r->src.addr,
r->src.plen))
goto again;
- ipv6_addr_copy(&flp6->saddr, &saddr);
+ flp6->saddr = saddr;
}
goto out;
}
diff --git a/net/ipv6/icmp.c b/net/ipv6/icmp.c
index 90868fb42757..01d46bff63c3 100644
--- a/net/ipv6/icmp.c
+++ b/net/ipv6/icmp.c
@@ -135,11 +135,12 @@ static int is_ineligible(struct sk_buff *skb)
int ptr = (u8 *)(ipv6_hdr(skb) + 1) - skb->data;
int len = skb->len - ptr;
__u8 nexthdr = ipv6_hdr(skb)->nexthdr;
+ __be16 frag_off;
if (len < 0)
return 1;
- ptr = ipv6_skip_exthdr(skb, ptr, &nexthdr);
+ ptr = ipv6_skip_exthdr(skb, ptr, &nexthdr, &frag_off);
if (ptr < 0)
return 0;
if (nexthdr == IPPROTO_ICMPV6) {
@@ -290,9 +291,9 @@ static void mip6_addr_swap(struct sk_buff *skb)
if (likely(off >= 0)) {
hao = (struct ipv6_destopt_hao *)
(skb_network_header(skb) + off);
- ipv6_addr_copy(&tmp, &iph->saddr);
- ipv6_addr_copy(&iph->saddr, &hao->addr);
- ipv6_addr_copy(&hao->addr, &tmp);
+ tmp = iph->saddr;
+ iph->saddr = hao->addr;
+ hao->addr = tmp;
}
}
}
@@ -444,9 +445,9 @@ void icmpv6_send(struct sk_buff *skb, u8 type, u8 code, __u32 info)
memset(&fl6, 0, sizeof(fl6));
fl6.flowi6_proto = IPPROTO_ICMPV6;
- ipv6_addr_copy(&fl6.daddr, &hdr->saddr);
+ fl6.daddr = hdr->saddr;
if (saddr)
- ipv6_addr_copy(&fl6.saddr, saddr);
+ fl6.saddr = *saddr;
fl6.flowi6_oif = iif;
fl6.fl6_icmp_type = type;
fl6.fl6_icmp_code = code;
@@ -538,9 +539,9 @@ static void icmpv6_echo_reply(struct sk_buff *skb)
memset(&fl6, 0, sizeof(fl6));
fl6.flowi6_proto = IPPROTO_ICMPV6;
- ipv6_addr_copy(&fl6.daddr, &ipv6_hdr(skb)->saddr);
+ fl6.daddr = ipv6_hdr(skb)->saddr;
if (saddr)
- ipv6_addr_copy(&fl6.saddr, saddr);
+ fl6.saddr = *saddr;
fl6.flowi6_oif = skb->dev->ifindex;
fl6.fl6_icmp_type = ICMPV6_ECHO_REPLY;
security_skb_classify_flow(skb, flowi6_to_flowi(&fl6));
@@ -596,6 +597,7 @@ static void icmpv6_notify(struct sk_buff *skb, u8 type, u8 code, __be32 info)
int inner_offset;
int hash;
u8 nexthdr;
+ __be16 frag_off;
if (!pskb_may_pull(skb, sizeof(struct ipv6hdr)))
return;
@@ -603,7 +605,8 @@ static void icmpv6_notify(struct sk_buff *skb, u8 type, u8 code, __be32 info)
nexthdr = ((struct ipv6hdr *)skb->data)->nexthdr;
if (ipv6_ext_hdr(nexthdr)) {
/* now skip over extension headers */
- inner_offset = ipv6_skip_exthdr(skb, sizeof(struct ipv6hdr), &nexthdr);
+ inner_offset = ipv6_skip_exthdr(skb, sizeof(struct ipv6hdr),
+ &nexthdr, &frag_off);
if (inner_offset<0)
return;
} else {
@@ -786,8 +789,8 @@ void icmpv6_flow_init(struct sock *sk, struct flowi6 *fl6,
int oif)
{
memset(fl6, 0, sizeof(*fl6));
- ipv6_addr_copy(&fl6->saddr, saddr);
- ipv6_addr_copy(&fl6->daddr, daddr);
+ fl6->saddr = *saddr;
+ fl6->daddr = *daddr;
fl6->flowi6_proto = IPPROTO_ICMPV6;
fl6->fl6_icmp_type = type;
fl6->fl6_icmp_code = 0;
diff --git a/net/ipv6/inet6_connection_sock.c b/net/ipv6/inet6_connection_sock.c
index 1567fb120392..02dd203d9eac 100644
--- a/net/ipv6/inet6_connection_sock.c
+++ b/net/ipv6/inet6_connection_sock.c
@@ -65,9 +65,9 @@ struct dst_entry *inet6_csk_route_req(struct sock *sk,
memset(&fl6, 0, sizeof(fl6));
fl6.flowi6_proto = IPPROTO_TCP;
- ipv6_addr_copy(&fl6.daddr, &treq->rmt_addr);
+ fl6.daddr = treq->rmt_addr;
final_p = fl6_update_dst(&fl6, np->opt, &final);
- ipv6_addr_copy(&fl6.saddr, &treq->loc_addr);
+ fl6.saddr = treq->loc_addr;
fl6.flowi6_oif = sk->sk_bound_dev_if;
fl6.flowi6_mark = sk->sk_mark;
fl6.fl6_dport = inet_rsk(req)->rmt_port;
@@ -157,7 +157,7 @@ void inet6_csk_addr2sockaddr(struct sock *sk, struct sockaddr * uaddr)
struct sockaddr_in6 *sin6 = (struct sockaddr_in6 *) uaddr;
sin6->sin6_family = AF_INET6;
- ipv6_addr_copy(&sin6->sin6_addr, &np->daddr);
+ sin6->sin6_addr = np->daddr;
sin6->sin6_port = inet_sk(sk)->inet_dport;
/* We do not store received flowlabel for TCP */
sin6->sin6_flowinfo = 0;
@@ -215,8 +215,8 @@ int inet6_csk_xmit(struct sk_buff *skb, struct flowi *fl_unused)
memset(&fl6, 0, sizeof(fl6));
fl6.flowi6_proto = sk->sk_protocol;
- ipv6_addr_copy(&fl6.daddr, &np->daddr);
- ipv6_addr_copy(&fl6.saddr, &np->saddr);
+ fl6.daddr = np->daddr;
+ fl6.saddr = np->saddr;
fl6.flowlabel = np->flow_label;
IP6_ECN_flow_xmit(sk, fl6.flowlabel);
fl6.flowi6_oif = sk->sk_bound_dev_if;
@@ -246,7 +246,7 @@ int inet6_csk_xmit(struct sk_buff *skb, struct flowi *fl_unused)
skb_dst_set_noref(skb, dst);
/* Restore final destination back after routing done */
- ipv6_addr_copy(&fl6.daddr, &np->daddr);
+ fl6.daddr = np->daddr;
res = ip6_xmit(sk, skb, &fl6, np->opt, np->tclass);
rcu_read_unlock();
diff --git a/net/ipv6/ip6_fib.c b/net/ipv6/ip6_fib.c
index 93718f3db79b..b82bcde53f7a 100644
--- a/net/ipv6/ip6_fib.c
+++ b/net/ipv6/ip6_fib.c
@@ -190,7 +190,7 @@ static struct fib6_table *fib6_alloc_table(struct net *net, u32 id)
struct fib6_table *table;
table = kzalloc(sizeof(*table), GFP_ATOMIC);
- if (table != NULL) {
+ if (table) {
table->tb6_id = id;
table->tb6_root.leaf = net->ipv6.ip6_null_entry;
table->tb6_root.fn_flags = RTN_ROOT | RTN_TL_ROOT | RTN_RTINFO;
@@ -210,7 +210,7 @@ struct fib6_table *fib6_new_table(struct net *net, u32 id)
return tb;
tb = fib6_alloc_table(net, id);
- if (tb != NULL)
+ if (tb)
fib6_link_table(net, tb);
return tb;
@@ -367,7 +367,7 @@ static int inet6_dump_fib(struct sk_buff *skb, struct netlink_callback *cb)
s_e = cb->args[1];
w = (void *)cb->args[2];
- if (w == NULL) {
+ if (!w) {
/* New dump:
*
* 1. hook callback destructor.
@@ -379,7 +379,7 @@ static int inet6_dump_fib(struct sk_buff *skb, struct netlink_callback *cb)
* 2. allocate and initialize walker.
*/
w = kzalloc(sizeof(*w), GFP_ATOMIC);
- if (w == NULL)
+ if (!w)
return -ENOMEM;
w->func = fib6_dump_node;
cb->args[2] = (long)w;
@@ -425,7 +425,8 @@ out:
static struct fib6_node * fib6_add_1(struct fib6_node *root, void *addr,
int addrlen, int plen,
- int offset)
+ int offset, int allow_create,
+ int replace_required)
{
struct fib6_node *fn, *in, *ln;
struct fib6_node *pn = NULL;
@@ -447,8 +448,18 @@ static struct fib6_node * fib6_add_1(struct fib6_node *root, void *addr,
* Prefix match
*/
if (plen < fn->fn_bit ||
- !ipv6_prefix_equal(&key->addr, addr, fn->fn_bit))
+ !ipv6_prefix_equal(&key->addr, addr, fn->fn_bit)) {
+ if (!allow_create) {
+ if (replace_required) {
+ pr_warn("IPv6: Can't replace route, "
+ "no match found\n");
+ return ERR_PTR(-ENOENT);
+ }
+ pr_warn("IPv6: NLM_F_CREATE should be set "
+ "when creating new route\n");
+ }
goto insert_above;
+ }
/*
* Exact match ?
@@ -456,7 +467,7 @@ static struct fib6_node * fib6_add_1(struct fib6_node *root, void *addr,
if (plen == fn->fn_bit) {
/* clean up an intermediate node */
- if ((fn->fn_flags & RTN_RTINFO) == 0) {
+ if (!(fn->fn_flags & RTN_RTINFO)) {
rt6_release(fn->leaf);
fn->leaf = NULL;
}
@@ -477,6 +488,23 @@ static struct fib6_node * fib6_add_1(struct fib6_node *root, void *addr,
fn = dir ? fn->right: fn->left;
} while (fn);
+ if (!allow_create) {
+ /* We should not create new node because
+ * NLM_F_REPLACE was specified without NLM_F_CREATE
+ * I assume it is safe to require NLM_F_CREATE when
+ * REPLACE flag is used! Later we may want to remove the
+ * check for replace_required, because according
+ * to netlink specification, NLM_F_CREATE
+ * MUST be specified if new route is created.
+ * That would keep IPv6 consistent with IPv4
+ */
+ if (replace_required) {
+ pr_warn("IPv6: Can't replace route, no match found\n");
+ return ERR_PTR(-ENOENT);
+ }
+ pr_warn("IPv6: NLM_F_CREATE should be set "
+ "when creating new route\n");
+ }
/*
* We walked to the bottom of tree.
* Create new leaf node without children.
@@ -484,7 +512,7 @@ static struct fib6_node * fib6_add_1(struct fib6_node *root, void *addr,
ln = node_alloc();
- if (ln == NULL)
+ if (!ln)
return NULL;
ln->fn_bit = plen;
@@ -527,7 +555,7 @@ insert_above:
in = node_alloc();
ln = node_alloc();
- if (in == NULL || ln == NULL) {
+ if (!in || !ln) {
if (in)
node_free(in);
if (ln)
@@ -581,7 +609,7 @@ insert_above:
ln = node_alloc();
- if (ln == NULL)
+ if (!ln)
return NULL;
ln->fn_bit = plen;
@@ -614,10 +642,15 @@ static int fib6_add_rt2node(struct fib6_node *fn, struct rt6_info *rt,
{
struct rt6_info *iter = NULL;
struct rt6_info **ins;
+ int replace = (info->nlh &&
+ (info->nlh->nlmsg_flags & NLM_F_REPLACE));
+ int add = (!info->nlh ||
+ (info->nlh->nlmsg_flags & NLM_F_CREATE));
+ int found = 0;
ins = &fn->leaf;
- for (iter = fn->leaf; iter; iter=iter->dst.rt6_next) {
+ for (iter = fn->leaf; iter; iter = iter->dst.rt6_next) {
/*
* Search for duplicates
*/
@@ -626,17 +659,24 @@ static int fib6_add_rt2node(struct fib6_node *fn, struct rt6_info *rt,
/*
* Same priority level
*/
+ if (info->nlh &&
+ (info->nlh->nlmsg_flags & NLM_F_EXCL))
+ return -EEXIST;
+ if (replace) {
+ found++;
+ break;
+ }
- if (iter->rt6i_dev == rt->rt6i_dev &&
+ if (iter->dst.dev == rt->dst.dev &&
iter->rt6i_idev == rt->rt6i_idev &&
ipv6_addr_equal(&iter->rt6i_gateway,
&rt->rt6i_gateway)) {
- if (!(iter->rt6i_flags&RTF_EXPIRES))
+ if (!(iter->rt6i_flags & RTF_EXPIRES))
return -EEXIST;
- iter->rt6i_expires = rt->rt6i_expires;
- if (!(rt->rt6i_flags&RTF_EXPIRES)) {
+ iter->dst.expires = rt->dst.expires;
+ if (!(rt->rt6i_flags & RTF_EXPIRES)) {
iter->rt6i_flags &= ~RTF_EXPIRES;
- iter->rt6i_expires = 0;
+ iter->dst.expires = 0;
}
return -EEXIST;
}
@@ -655,17 +695,40 @@ static int fib6_add_rt2node(struct fib6_node *fn, struct rt6_info *rt,
/*
* insert node
*/
+ if (!replace) {
+ if (!add)
+ pr_warn("IPv6: NLM_F_CREATE should be set when creating new route\n");
+
+add:
+ rt->dst.rt6_next = iter;
+ *ins = rt;
+ rt->rt6i_node = fn;
+ atomic_inc(&rt->rt6i_ref);
+ inet6_rt_notify(RTM_NEWROUTE, rt, info);
+ info->nl_net->ipv6.rt6_stats->fib_rt_entries++;
+
+ if (!(fn->fn_flags & RTN_RTINFO)) {
+ info->nl_net->ipv6.rt6_stats->fib_route_nodes++;
+ fn->fn_flags |= RTN_RTINFO;
+ }
- rt->dst.rt6_next = iter;
- *ins = rt;
- rt->rt6i_node = fn;
- atomic_inc(&rt->rt6i_ref);
- inet6_rt_notify(RTM_NEWROUTE, rt, info);
- info->nl_net->ipv6.rt6_stats->fib_rt_entries++;
-
- if ((fn->fn_flags & RTN_RTINFO) == 0) {
- info->nl_net->ipv6.rt6_stats->fib_route_nodes++;
- fn->fn_flags |= RTN_RTINFO;
+ } else {
+ if (!found) {
+ if (add)
+ goto add;
+ pr_warn("IPv6: NLM_F_REPLACE set, but no existing node found!\n");
+ return -ENOENT;
+ }
+ *ins = rt;
+ rt->rt6i_node = fn;
+ rt->dst.rt6_next = iter->dst.rt6_next;
+ atomic_inc(&rt->rt6i_ref);
+ inet6_rt_notify(RTM_NEWROUTE, rt, info);
+ rt6_release(iter);
+ if (!(fn->fn_flags & RTN_RTINFO)) {
+ info->nl_net->ipv6.rt6_stats->fib_route_nodes++;
+ fn->fn_flags |= RTN_RTINFO;
+ }
}
return 0;
@@ -674,7 +737,7 @@ static int fib6_add_rt2node(struct fib6_node *fn, struct rt6_info *rt,
static __inline__ void fib6_start_gc(struct net *net, struct rt6_info *rt)
{
if (!timer_pending(&net->ipv6.ip6_fib_timer) &&
- (rt->rt6i_flags & (RTF_EXPIRES|RTF_CACHE)))
+ (rt->rt6i_flags & (RTF_EXPIRES | RTF_CACHE)))
mod_timer(&net->ipv6.ip6_fib_timer,
jiffies + net->ipv6.sysctl.ip6_rt_gc_interval);
}
@@ -696,11 +759,28 @@ int fib6_add(struct fib6_node *root, struct rt6_info *rt, struct nl_info *info)
{
struct fib6_node *fn, *pn = NULL;
int err = -ENOMEM;
+ int allow_create = 1;
+ int replace_required = 0;
+
+ if (info->nlh) {
+ if (!(info->nlh->nlmsg_flags & NLM_F_CREATE))
+ allow_create = 0;
+ if (info->nlh->nlmsg_flags & NLM_F_REPLACE)
+ replace_required = 1;
+ }
+ if (!allow_create && !replace_required)
+ pr_warn("IPv6: RTM_NEWROUTE with no NLM_F_CREATE or NLM_F_REPLACE\n");
fn = fib6_add_1(root, &rt->rt6i_dst.addr, sizeof(struct in6_addr),
- rt->rt6i_dst.plen, offsetof(struct rt6_info, rt6i_dst));
+ rt->rt6i_dst.plen, offsetof(struct rt6_info, rt6i_dst),
+ allow_create, replace_required);
+
+ if (IS_ERR(fn)) {
+ err = PTR_ERR(fn);
+ fn = NULL;
+ }
- if (fn == NULL)
+ if (!fn)
goto out;
pn = fn;
@@ -709,7 +789,7 @@ int fib6_add(struct fib6_node *root, struct rt6_info *rt, struct nl_info *info)
if (rt->rt6i_src.plen) {
struct fib6_node *sn;
- if (fn->subtree == NULL) {
+ if (!fn->subtree) {
struct fib6_node *sfn;
/*
@@ -724,7 +804,7 @@ int fib6_add(struct fib6_node *root, struct rt6_info *rt, struct nl_info *info)
/* Create subtree root node */
sfn = node_alloc();
- if (sfn == NULL)
+ if (!sfn)
goto st_failure;
sfn->leaf = info->nl_net->ipv6.ip6_null_entry;
@@ -736,9 +816,10 @@ int fib6_add(struct fib6_node *root, struct rt6_info *rt, struct nl_info *info)
sn = fib6_add_1(sfn, &rt->rt6i_src.addr,
sizeof(struct in6_addr), rt->rt6i_src.plen,
- offsetof(struct rt6_info, rt6i_src));
+ offsetof(struct rt6_info, rt6i_src),
+ allow_create, replace_required);
- if (sn == NULL) {
+ if (!sn) {
/* If it is failed, discard just allocated
root, and then (in st_failure) stale node
in main tree.
@@ -753,13 +834,18 @@ int fib6_add(struct fib6_node *root, struct rt6_info *rt, struct nl_info *info)
} else {
sn = fib6_add_1(fn->subtree, &rt->rt6i_src.addr,
sizeof(struct in6_addr), rt->rt6i_src.plen,
- offsetof(struct rt6_info, rt6i_src));
+ offsetof(struct rt6_info, rt6i_src),
+ allow_create, replace_required);
- if (sn == NULL)
+ if (IS_ERR(sn)) {
+ err = PTR_ERR(sn);
+ sn = NULL;
+ }
+ if (!sn)
goto st_failure;
}
- if (fn->leaf == NULL) {
+ if (!fn->leaf) {
fn->leaf = rt;
atomic_inc(&rt->rt6i_ref);
}
@@ -768,10 +854,9 @@ int fib6_add(struct fib6_node *root, struct rt6_info *rt, struct nl_info *info)
#endif
err = fib6_add_rt2node(fn, rt, info);
-
- if (err == 0) {
+ if (!err) {
fib6_start_gc(info->nl_net, rt);
- if (!(rt->rt6i_flags&RTF_CACHE))
+ if (!(rt->rt6i_flags & RTF_CACHE))
fib6_prune_clones(info->nl_net, pn, rt);
}
@@ -819,7 +904,7 @@ st_failure:
*/
struct lookup_args {
- int offset; /* key offset on rt6_info */
+ int offset; /* key offset on rt6_info */
const struct in6_addr *addr; /* search key */
};
@@ -849,11 +934,10 @@ static struct fib6_node * fib6_lookup_1(struct fib6_node *root,
fn = next;
continue;
}
-
break;
}
- while(fn) {
+ while (fn) {
if (FIB6_SUBTREE(fn) || fn->fn_flags & RTN_RTINFO) {
struct rt6key *key;
@@ -900,8 +984,7 @@ struct fib6_node * fib6_lookup(struct fib6_node *root, const struct in6_addr *da
};
fn = fib6_lookup_1(root, daddr ? args : args + 1);
-
- if (fn == NULL || fn->fn_flags & RTN_TL_ROOT)
+ if (!fn || fn->fn_flags & RTN_TL_ROOT)
fn = root;
return fn;
@@ -961,7 +1044,7 @@ struct fib6_node * fib6_locate(struct fib6_node *root,
}
#endif
- if (fn && fn->fn_flags&RTN_RTINFO)
+ if (fn && fn->fn_flags & RTN_RTINFO)
return fn;
return NULL;
@@ -975,14 +1058,13 @@ struct fib6_node * fib6_locate(struct fib6_node *root,
static struct rt6_info *fib6_find_prefix(struct net *net, struct fib6_node *fn)
{
- if (fn->fn_flags&RTN_ROOT)
+ if (fn->fn_flags & RTN_ROOT)
return net->ipv6.ip6_null_entry;
- while(fn) {
- if(fn->left)
+ while (fn) {
+ if (fn->left)
return fn->left->leaf;
-
- if(fn->right)
+ if (fn->right)
return fn->right->leaf;
fn = FIB6_SUBTREE(fn);
@@ -1020,12 +1102,12 @@ static struct fib6_node *fib6_repair_tree(struct net *net,
if (children == 3 || FIB6_SUBTREE(fn)
#ifdef CONFIG_IPV6_SUBTREES
/* Subtree root (i.e. fn) may have one child */
- || (children && fn->fn_flags&RTN_ROOT)
+ || (children && fn->fn_flags & RTN_ROOT)
#endif
) {
fn->leaf = fib6_find_prefix(net, fn);
#if RT6_DEBUG >= 2
- if (fn->leaf==NULL) {
+ if (!fn->leaf) {
WARN_ON(!fn->leaf);
fn->leaf = net->ipv6.ip6_null_entry;
}
@@ -1058,7 +1140,7 @@ static struct fib6_node *fib6_repair_tree(struct net *net,
read_lock(&fib6_walker_lock);
FOR_WALKERS(w) {
- if (child == NULL) {
+ if (!child) {
if (w->root == fn) {
w->root = w->node = NULL;
RT6_TRACE("W %p adjusted by delroot 1\n", w);
@@ -1087,7 +1169,7 @@ static struct fib6_node *fib6_repair_tree(struct net *net,
read_unlock(&fib6_walker_lock);
node_free(fn);
- if (pn->fn_flags&RTN_RTINFO || FIB6_SUBTREE(pn))
+ if (pn->fn_flags & RTN_RTINFO || FIB6_SUBTREE(pn))
return pn;
rt6_release(pn->leaf);
@@ -1121,7 +1203,7 @@ static void fib6_del_route(struct fib6_node *fn, struct rt6_info **rtp,
if (w->state == FWS_C && w->leaf == rt) {
RT6_TRACE("walker %p adjusted by delroute\n", w);
w->leaf = rt->dst.rt6_next;
- if (w->leaf == NULL)
+ if (!w->leaf)
w->state = FWS_U;
}
}
@@ -1130,7 +1212,7 @@ static void fib6_del_route(struct fib6_node *fn, struct rt6_info **rtp,
rt->dst.rt6_next = NULL;
/* If it was last route, expunge its radix tree node */
- if (fn->leaf == NULL) {
+ if (!fn->leaf) {
fn->fn_flags &= ~RTN_RTINFO;
net->ipv6.rt6_stats->fib_route_nodes--;
fn = fib6_repair_tree(net, fn);
@@ -1144,7 +1226,7 @@ static void fib6_del_route(struct fib6_node *fn, struct rt6_info **rtp,
* to still alive ones.
*/
while (fn) {
- if (!(fn->fn_flags&RTN_RTINFO) && fn->leaf == rt) {
+ if (!(fn->fn_flags & RTN_RTINFO) && fn->leaf == rt) {
fn->leaf = fib6_find_prefix(net, fn);
atomic_inc(&fn->leaf->rt6i_ref);
rt6_release(rt);
@@ -1171,17 +1253,17 @@ int fib6_del(struct rt6_info *rt, struct nl_info *info)
return -ENOENT;
}
#endif
- if (fn == NULL || rt == net->ipv6.ip6_null_entry)
+ if (!fn || rt == net->ipv6.ip6_null_entry)
return -ENOENT;
WARN_ON(!(fn->fn_flags & RTN_RTINFO));
- if (!(rt->rt6i_flags&RTF_CACHE)) {
+ if (!(rt->rt6i_flags & RTF_CACHE)) {
struct fib6_node *pn = fn;
#ifdef CONFIG_IPV6_SUBTREES
/* clones of this route might be in another subtree */
if (rt->rt6i_src.plen) {
- while (!(pn->fn_flags&RTN_ROOT))
+ while (!(pn->fn_flags & RTN_ROOT))
pn = pn->parent;
pn = pn->parent;
}
@@ -1232,11 +1314,11 @@ static int fib6_walk_continue(struct fib6_walker_t *w)
for (;;) {
fn = w->node;
- if (fn == NULL)
+ if (!fn)
return 0;
if (w->prune && fn != w->root &&
- fn->fn_flags&RTN_RTINFO && w->state < FWS_C) {
+ fn->fn_flags & RTN_RTINFO && w->state < FWS_C) {
w->state = FWS_C;
w->leaf = fn->leaf;
}
@@ -1265,7 +1347,7 @@ static int fib6_walk_continue(struct fib6_walker_t *w)
w->state = FWS_C;
w->leaf = fn->leaf;
case FWS_C:
- if (w->leaf && fn->fn_flags&RTN_RTINFO) {
+ if (w->leaf && fn->fn_flags & RTN_RTINFO) {
int err;
if (w->count < w->skip) {
@@ -1380,6 +1462,26 @@ static void fib6_clean_tree(struct net *net, struct fib6_node *root,
fib6_walk(&c.w);
}
+void fib6_clean_all_ro(struct net *net, int (*func)(struct rt6_info *, void *arg),
+ int prune, void *arg)
+{
+ struct fib6_table *table;
+ struct hlist_node *node;
+ struct hlist_head *head;
+ unsigned int h;
+
+ rcu_read_lock();
+ for (h = 0; h < FIB6_TABLE_HASHSZ; h++) {
+ head = &net->ipv6.fib_table_hash[h];
+ hlist_for_each_entry_rcu(table, node, head, tb6_hlist) {
+ read_lock_bh(&table->tb6_lock);
+ fib6_clean_tree(net, &table->tb6_root,
+ func, prune, arg);
+ read_unlock_bh(&table->tb6_lock);
+ }
+ }
+ rcu_read_unlock();
+}
void fib6_clean_all(struct net *net, int (*func)(struct rt6_info *, void *arg),
int prune, void *arg)
{
@@ -1439,8 +1541,8 @@ static int fib6_age(struct rt6_info *rt, void *arg)
* only if they are not in use now.
*/
- if (rt->rt6i_flags&RTF_EXPIRES && rt->rt6i_expires) {
- if (time_after(now, rt->rt6i_expires)) {
+ if (rt->rt6i_flags & RTF_EXPIRES && rt->dst.expires) {
+ if (time_after(now, rt->dst.expires)) {
RT6_TRACE("expiring %p\n", rt);
return -1;
}
@@ -1451,7 +1553,7 @@ static int fib6_age(struct rt6_info *rt, void *arg)
RT6_TRACE("aging clone %p\n", rt);
return -1;
} else if ((rt->rt6i_flags & RTF_GATEWAY) &&
- (!(dst_get_neighbour_raw(&rt->dst)->flags & NTF_ROUTER))) {
+ (!(dst_get_neighbour_noref_raw(&rt->dst)->flags & NTF_ROUTER))) {
RT6_TRACE("purging route %p via non-router but gateway\n",
rt);
return -1;
diff --git a/net/ipv6/ip6_flowlabel.c b/net/ipv6/ip6_flowlabel.c
index 4566dbd916d3..b7867a1215b1 100644
--- a/net/ipv6/ip6_flowlabel.c
+++ b/net/ipv6/ip6_flowlabel.c
@@ -386,7 +386,7 @@ fl_create(struct net *net, struct sock *sk, struct in6_flowlabel_req *freq,
err = -EINVAL;
goto done;
}
- ipv6_addr_copy(&fl->dst, &freq->flr_dst);
+ fl->dst = freq->flr_dst;
atomic_set(&fl->users, 1);
switch (fl->share) {
case IPV6_FL_S_EXCL:
diff --git a/net/ipv6/ip6_input.c b/net/ipv6/ip6_input.c
index a46c64eb0a66..1ca5d45a12e8 100644
--- a/net/ipv6/ip6_input.c
+++ b/net/ipv6/ip6_input.c
@@ -280,6 +280,7 @@ int ip6_mc_input(struct sk_buff *skb)
u8 *ptr = skb_network_header(skb) + opt->ra;
struct icmp6hdr *icmp6;
u8 nexthdr = hdr->nexthdr;
+ __be16 frag_off;
int offset;
/* Check if the value of Router Alert
@@ -293,7 +294,7 @@ int ip6_mc_input(struct sk_buff *skb)
goto out;
}
offset = ipv6_skip_exthdr(skb, sizeof(*hdr),
- &nexthdr);
+ &nexthdr, &frag_off);
if (offset < 0)
goto out;
diff --git a/net/ipv6/ip6_output.c b/net/ipv6/ip6_output.c
index ec562713db9b..d97e07183ce9 100644
--- a/net/ipv6/ip6_output.c
+++ b/net/ipv6/ip6_output.c
@@ -136,7 +136,7 @@ static int ip6_finish_output2(struct sk_buff *skb)
}
rcu_read_lock();
- neigh = dst_get_neighbour(dst);
+ neigh = dst_get_neighbour_noref(dst);
if (neigh) {
int res = neigh_output(neigh, skb);
@@ -238,8 +238,8 @@ int ip6_xmit(struct sock *sk, struct sk_buff *skb, struct flowi6 *fl6,
hdr->nexthdr = proto;
hdr->hop_limit = hlimit;
- ipv6_addr_copy(&hdr->saddr, &fl6->saddr);
- ipv6_addr_copy(&hdr->daddr, first_hop);
+ hdr->saddr = fl6->saddr;
+ hdr->daddr = *first_hop;
skb->priority = sk->sk_priority;
skb->mark = sk->sk_mark;
@@ -290,8 +290,8 @@ int ip6_nd_hdr(struct sock *sk, struct sk_buff *skb, struct net_device *dev,
hdr->nexthdr = proto;
hdr->hop_limit = np->hop_limit;
- ipv6_addr_copy(&hdr->saddr, saddr);
- ipv6_addr_copy(&hdr->daddr, daddr);
+ hdr->saddr = *saddr;
+ hdr->daddr = *daddr;
return 0;
}
@@ -329,10 +329,11 @@ static int ip6_forward_proxy_check(struct sk_buff *skb)
{
struct ipv6hdr *hdr = ipv6_hdr(skb);
u8 nexthdr = hdr->nexthdr;
+ __be16 frag_off;
int offset;
if (ipv6_ext_hdr(nexthdr)) {
- offset = ipv6_skip_exthdr(skb, sizeof(*hdr), &nexthdr);
+ offset = ipv6_skip_exthdr(skb, sizeof(*hdr), &nexthdr, &frag_off);
if (offset < 0)
return 0;
} else
@@ -462,7 +463,7 @@ int ip6_forward(struct sk_buff *skb)
send redirects to source routed frames.
We don't send redirects to frames decapsulated from IPsec.
*/
- n = dst_get_neighbour(dst);
+ n = dst_get_neighbour_noref(dst);
if (skb->dev == dst->dev && n && opt->srcrt == 0 && !skb_sec_path(skb)) {
struct in6_addr *target = NULL;
struct rt6_info *rt;
@@ -631,6 +632,7 @@ int ip6_fragment(struct sk_buff *skb, int (*output)(struct sk_buff *))
struct ipv6hdr *tmp_hdr;
struct frag_hdr *fh;
unsigned int mtu, hlen, left, len;
+ int hroom, troom;
__be32 frag_id = 0;
int ptr, offset = 0, err=0;
u8 *prevhdr, nexthdr = 0;
@@ -797,6 +799,8 @@ slow_path:
*/
*prevhdr = NEXTHDR_FRAGMENT;
+ hroom = LL_RESERVED_SPACE(rt->dst.dev);
+ troom = rt->dst.dev->needed_tailroom;
/*
* Keep copying data until we run out.
@@ -815,7 +819,8 @@ slow_path:
* Allocate buffer.
*/
- if ((frag = alloc_skb(len+hlen+sizeof(struct frag_hdr)+LL_ALLOCATED_SPACE(rt->dst.dev), GFP_ATOMIC)) == NULL) {
+ if ((frag = alloc_skb(len + hlen + sizeof(struct frag_hdr) +
+ hroom + troom, GFP_ATOMIC)) == NULL) {
NETDEBUG(KERN_INFO "IPv6: frag: no memory for new fragment!\n");
IP6_INC_STATS(net, ip6_dst_idev(skb_dst(skb)),
IPSTATS_MIB_FRAGFAILS);
@@ -828,7 +833,7 @@ slow_path:
*/
ip6_copy_metadata(frag, skb);
- skb_reserve(frag, LL_RESERVED_SPACE(rt->dst.dev));
+ skb_reserve(frag, hroom);
skb_put(frag, len + hlen + sizeof(struct frag_hdr));
skb_reset_network_header(frag);
fh = (struct frag_hdr *)(skb_network_header(frag) + hlen);
@@ -978,7 +983,7 @@ static int ip6_dst_lookup_tail(struct sock *sk,
* dst entry of the nexthop router
*/
rcu_read_lock();
- n = dst_get_neighbour(*dst);
+ n = dst_get_neighbour_noref(*dst);
if (n && !(n->nud_state & NUD_VALID)) {
struct inet6_ifaddr *ifp;
struct flowi6 fl_gw6;
@@ -1059,7 +1064,7 @@ struct dst_entry *ip6_dst_lookup_flow(struct sock *sk, struct flowi6 *fl6,
if (err)
return ERR_PTR(err);
if (final_dst)
- ipv6_addr_copy(&fl6->daddr, final_dst);
+ fl6->daddr = *final_dst;
if (can_sleep)
fl6->flowi6_flags |= FLOWI_FLAG_CAN_SLEEP;
@@ -1095,7 +1100,7 @@ struct dst_entry *ip6_sk_dst_lookup_flow(struct sock *sk, struct flowi6 *fl6,
if (err)
return ERR_PTR(err);
if (final_dst)
- ipv6_addr_copy(&fl6->daddr, final_dst);
+ fl6->daddr = *final_dst;
if (can_sleep)
fl6->flowi6_flags |= FLOWI_FLAG_CAN_SLEEP;
@@ -1588,7 +1593,7 @@ int ip6_push_pending_frames(struct sock *sk)
if (np->pmtudisc < IPV6_PMTUDISC_DO)
skb->local_df = 1;
- ipv6_addr_copy(final_dst, &fl6->daddr);
+ *final_dst = fl6->daddr;
__skb_pull(skb, skb_network_header_len(skb));
if (opt && opt->opt_flen)
ipv6_push_frag_opts(skb, opt, &proto);
@@ -1604,8 +1609,8 @@ int ip6_push_pending_frames(struct sock *sk)
hdr->hop_limit = np->cork.hop_limit;
hdr->nexthdr = proto;
- ipv6_addr_copy(&hdr->saddr, &fl6->saddr);
- ipv6_addr_copy(&hdr->daddr, final_dst);
+ hdr->saddr = fl6->saddr;
+ hdr->daddr = *final_dst;
skb->priority = sk->sk_priority;
skb->mark = sk->sk_mark;
diff --git a/net/ipv6/ip6_tunnel.c b/net/ipv6/ip6_tunnel.c
index 4e2e9ff67ef2..e1f7761815f3 100644
--- a/net/ipv6/ip6_tunnel.c
+++ b/net/ipv6/ip6_tunnel.c
@@ -93,7 +93,7 @@ struct pcpu_tstats {
unsigned long rx_bytes;
unsigned long tx_packets;
unsigned long tx_bytes;
-};
+} __attribute__((aligned(4*sizeof(unsigned long))));
static struct net_device_stats *ip6_get_stats(struct net_device *dev)
{
@@ -653,8 +653,8 @@ ip6ip6_err(struct sk_buff *skb, struct inet6_skb_parm *opt,
rt = rt6_lookup(dev_net(skb->dev), &ipv6_hdr(skb2)->saddr,
NULL, 0, 0);
- if (rt && rt->rt6i_dev)
- skb2->dev = rt->rt6i_dev;
+ if (rt && rt->dst.dev)
+ skb2->dev = rt->dst.dev;
icmpv6_send(skb2, rel_type, rel_code, rel_info);
@@ -979,8 +979,8 @@ static int ip6_tnl_xmit2(struct sk_buff *skb,
ipv6_change_dsfield(ipv6h, ~INET_ECN_MASK, dsfield);
ipv6h->hop_limit = t->parms.hop_limit;
ipv6h->nexthdr = proto;
- ipv6_addr_copy(&ipv6h->saddr, &fl6->saddr);
- ipv6_addr_copy(&ipv6h->daddr, &fl6->daddr);
+ ipv6h->saddr = fl6->saddr;
+ ipv6h->daddr = fl6->daddr;
nf_reset(skb);
pkt_len = skb->len;
err = ip6_local_out(skb);
@@ -1155,8 +1155,8 @@ static void ip6_tnl_link_config(struct ip6_tnl *t)
memcpy(dev->broadcast, &p->raddr, sizeof(struct in6_addr));
/* Set up flowi template */
- ipv6_addr_copy(&fl6->saddr, &p->laddr);
- ipv6_addr_copy(&fl6->daddr, &p->raddr);
+ fl6->saddr = p->laddr;
+ fl6->daddr = p->raddr;
fl6->flowi6_oif = p->link;
fl6->flowlabel = 0;
@@ -1185,11 +1185,11 @@ static void ip6_tnl_link_config(struct ip6_tnl *t)
if (rt == NULL)
return;
- if (rt->rt6i_dev) {
- dev->hard_header_len = rt->rt6i_dev->hard_header_len +
+ if (rt->dst.dev) {
+ dev->hard_header_len = rt->dst.dev->hard_header_len +
sizeof (struct ipv6hdr);
- dev->mtu = rt->rt6i_dev->mtu - sizeof (struct ipv6hdr);
+ dev->mtu = rt->dst.dev->mtu - sizeof (struct ipv6hdr);
if (!(t->parms.flags & IP6_TNL_F_IGN_ENCAP_LIMIT))
dev->mtu-=8;
@@ -1212,8 +1212,8 @@ static void ip6_tnl_link_config(struct ip6_tnl *t)
static int
ip6_tnl_change(struct ip6_tnl *t, struct ip6_tnl_parm *p)
{
- ipv6_addr_copy(&t->parms.laddr, &p->laddr);
- ipv6_addr_copy(&t->parms.raddr, &p->raddr);
+ t->parms.laddr = p->laddr;
+ t->parms.raddr = p->raddr;
t->parms.flags = p->flags;
t->parms.hop_limit = p->hop_limit;
t->parms.encap_limit = p->encap_limit;
diff --git a/net/ipv6/ip6mr.c b/net/ipv6/ip6mr.c
index 449a9185b8f2..c7e95c8c579f 100644
--- a/net/ipv6/ip6mr.c
+++ b/net/ipv6/ip6mr.c
@@ -1105,8 +1105,8 @@ static int ip6mr_cache_report(struct mr6_table *mrt, struct sk_buff *pkt,
msg->im6_msgtype = MRT6MSG_WHOLEPKT;
msg->im6_mif = mrt->mroute_reg_vif_num;
msg->im6_pad = 0;
- ipv6_addr_copy(&msg->im6_src, &ipv6_hdr(pkt)->saddr);
- ipv6_addr_copy(&msg->im6_dst, &ipv6_hdr(pkt)->daddr);
+ msg->im6_src = ipv6_hdr(pkt)->saddr;
+ msg->im6_dst = ipv6_hdr(pkt)->daddr;
skb->ip_summed = CHECKSUM_UNNECESSARY;
} else
@@ -1131,8 +1131,8 @@ static int ip6mr_cache_report(struct mr6_table *mrt, struct sk_buff *pkt,
msg->im6_msgtype = assert;
msg->im6_mif = mifi;
msg->im6_pad = 0;
- ipv6_addr_copy(&msg->im6_src, &ipv6_hdr(pkt)->saddr);
- ipv6_addr_copy(&msg->im6_dst, &ipv6_hdr(pkt)->daddr);
+ msg->im6_src = ipv6_hdr(pkt)->saddr;
+ msg->im6_dst = ipv6_hdr(pkt)->daddr;
skb_dst_set(skb, dst_clone(skb_dst(pkt)));
skb->ip_summed = CHECKSUM_UNNECESSARY;
@@ -2181,8 +2181,8 @@ int ip6mr_get_route(struct net *net,
iph->payload_len = 0;
iph->nexthdr = IPPROTO_NONE;
iph->hop_limit = 0;
- ipv6_addr_copy(&iph->saddr, &rt->rt6i_src.addr);
- ipv6_addr_copy(&iph->daddr, &rt->rt6i_dst.addr);
+ iph->saddr = rt->rt6i_src.addr;
+ iph->daddr = rt->rt6i_dst.addr;
err = ip6mr_cache_unresolved(mrt, vif, skb2);
read_unlock(&mrt_lock);
diff --git a/net/ipv6/ipv6_sockglue.c b/net/ipv6/ipv6_sockglue.c
index 26cb08c84b74..18a2719003c3 100644
--- a/net/ipv6/ipv6_sockglue.c
+++ b/net/ipv6/ipv6_sockglue.c
@@ -435,7 +435,7 @@ sticky_done:
goto e_inval;
np->sticky_pktinfo.ipi6_ifindex = pkt.ipi6_ifindex;
- ipv6_addr_copy(&np->sticky_pktinfo.ipi6_addr, &pkt.ipi6_addr);
+ np->sticky_pktinfo.ipi6_addr = pkt.ipi6_addr;
retv = 0;
break;
}
@@ -980,8 +980,7 @@ static int do_ipv6_getsockopt(struct sock *sk, int level, int optname,
struct in6_pktinfo src_info;
src_info.ipi6_ifindex = np->mcast_oif ? np->mcast_oif :
np->sticky_pktinfo.ipi6_ifindex;
- np->mcast_oif? ipv6_addr_copy(&src_info.ipi6_addr, &np->daddr) :
- ipv6_addr_copy(&src_info.ipi6_addr, &(np->sticky_pktinfo.ipi6_addr));
+ src_info.ipi6_addr = np->mcast_oif ? np->daddr : np->sticky_pktinfo.ipi6_addr;
put_cmsg(&msg, SOL_IPV6, IPV6_PKTINFO, sizeof(src_info), &src_info);
}
if (np->rxopt.bits.rxhlim) {
@@ -992,8 +991,7 @@ static int do_ipv6_getsockopt(struct sock *sk, int level, int optname,
struct in6_pktinfo src_info;
src_info.ipi6_ifindex = np->mcast_oif ? np->mcast_oif :
np->sticky_pktinfo.ipi6_ifindex;
- np->mcast_oif? ipv6_addr_copy(&src_info.ipi6_addr, &np->daddr) :
- ipv6_addr_copy(&src_info.ipi6_addr, &(np->sticky_pktinfo.ipi6_addr));
+ src_info.ipi6_addr = np->mcast_oif ? np->daddr : np->sticky_pktinfo.ipi6_addr;
put_cmsg(&msg, SOL_IPV6, IPV6_2292PKTINFO, sizeof(src_info), &src_info);
}
if (np->rxopt.bits.rxohlim) {
diff --git a/net/ipv6/mcast.c b/net/ipv6/mcast.c
index ee7839f4d6e3..b853f06cc148 100644
--- a/net/ipv6/mcast.c
+++ b/net/ipv6/mcast.c
@@ -155,14 +155,14 @@ int ipv6_sock_mc_join(struct sock *sk, int ifindex, const struct in6_addr *addr)
return -ENOMEM;
mc_lst->next = NULL;
- ipv6_addr_copy(&mc_lst->addr, addr);
+ mc_lst->addr = *addr;
rcu_read_lock();
if (ifindex == 0) {
struct rt6_info *rt;
rt = rt6_lookup(net, addr, NULL, 0, 0);
if (rt) {
- dev = rt->rt6i_dev;
+ dev = rt->dst.dev;
dst_release(&rt->dst);
}
} else
@@ -256,7 +256,7 @@ static struct inet6_dev *ip6_mc_find_dev_rcu(struct net *net,
struct rt6_info *rt = rt6_lookup(net, group, NULL, 0, 0);
if (rt) {
- dev = rt->rt6i_dev;
+ dev = rt->dst.dev;
dev_hold(dev);
dst_release(&rt->dst);
}
@@ -858,7 +858,7 @@ int ipv6_dev_mc_inc(struct net_device *dev, const struct in6_addr *addr)
setup_timer(&mc->mca_timer, igmp6_timer_handler, (unsigned long)mc);
- ipv6_addr_copy(&mc->mca_addr, addr);
+ mc->mca_addr = *addr;
mc->idev = idev; /* (reference taken) */
mc->mca_users = 1;
/* mca_stamp should be updated upon changes */
@@ -1343,13 +1343,15 @@ static struct sk_buff *mld_newpack(struct net_device *dev, int size)
struct mld2_report *pmr;
struct in6_addr addr_buf;
const struct in6_addr *saddr;
+ int hlen = LL_RESERVED_SPACE(dev);
+ int tlen = dev->needed_tailroom;
int err;
u8 ra[8] = { IPPROTO_ICMPV6, 0,
IPV6_TLV_ROUTERALERT, 2, 0, 0,
IPV6_TLV_PADN, 0 };
/* we assume size > sizeof(ra) here */
- size += LL_ALLOCATED_SPACE(dev);
+ size += hlen + tlen;
/* limit our allocations to order-0 page */
size = min_t(int, size, SKB_MAX_ORDER(0, 0));
skb = sock_alloc_send_skb(sk, size, 1, &err);
@@ -1357,7 +1359,7 @@ static struct sk_buff *mld_newpack(struct net_device *dev, int size)
if (!skb)
return NULL;
- skb_reserve(skb, LL_RESERVED_SPACE(dev));
+ skb_reserve(skb, hlen);
if (ipv6_get_lladdr(dev, &addr_buf, IFA_F_TENTATIVE)) {
/* <draft-ietf-magma-mld-source-05.txt>:
@@ -1408,18 +1410,11 @@ static void mld_sendpack(struct sk_buff *skb)
csum_partial(skb_transport_header(skb),
mldlen, 0));
- dst = icmp6_dst_alloc(skb->dev, NULL, &ipv6_hdr(skb)->daddr);
-
- if (!dst) {
- err = -ENOMEM;
- goto err_out;
- }
-
icmpv6_flow_init(net->ipv6.igmp_sk, &fl6, ICMPV6_MLD2_REPORT,
&ipv6_hdr(skb)->saddr, &ipv6_hdr(skb)->daddr,
skb->dev->ifindex);
+ dst = icmp6_dst_alloc(skb->dev, NULL, &fl6);
- dst = xfrm_lookup(net, dst, flowi6_to_flowi(&fl6), NULL, 0);
err = 0;
if (IS_ERR(dst)) {
err = PTR_ERR(dst);
@@ -1723,6 +1718,8 @@ static void igmp6_send(struct in6_addr *addr, struct net_device *dev, int type)
struct mld_msg *hdr;
const struct in6_addr *snd_addr, *saddr;
struct in6_addr addr_buf;
+ int hlen = LL_RESERVED_SPACE(dev);
+ int tlen = dev->needed_tailroom;
int err, len, payload_len, full_len;
u8 ra[8] = { IPPROTO_ICMPV6, 0,
IPV6_TLV_ROUTERALERT, 2, 0, 0,
@@ -1744,7 +1741,7 @@ static void igmp6_send(struct in6_addr *addr, struct net_device *dev, int type)
IPSTATS_MIB_OUT, full_len);
rcu_read_unlock();
- skb = sock_alloc_send_skb(sk, LL_ALLOCATED_SPACE(dev) + full_len, 1, &err);
+ skb = sock_alloc_send_skb(sk, hlen + tlen + full_len, 1, &err);
if (skb == NULL) {
rcu_read_lock();
@@ -1754,7 +1751,7 @@ static void igmp6_send(struct in6_addr *addr, struct net_device *dev, int type)
return;
}
- skb_reserve(skb, LL_RESERVED_SPACE(dev));
+ skb_reserve(skb, hlen);
if (ipv6_get_lladdr(dev, &addr_buf, IFA_F_TENTATIVE)) {
/* <draft-ietf-magma-mld-source-05.txt>:
@@ -1772,7 +1769,7 @@ static void igmp6_send(struct in6_addr *addr, struct net_device *dev, int type)
hdr = (struct mld_msg *) skb_put(skb, sizeof(struct mld_msg));
memset(hdr, 0, sizeof(struct mld_msg));
hdr->mld_type = type;
- ipv6_addr_copy(&hdr->mld_mca, addr);
+ hdr->mld_mca = *addr;
hdr->mld_cksum = csum_ipv6_magic(saddr, snd_addr, len,
IPPROTO_ICMPV6,
@@ -1781,17 +1778,10 @@ static void igmp6_send(struct in6_addr *addr, struct net_device *dev, int type)
rcu_read_lock();
idev = __in6_dev_get(skb->dev);
- dst = icmp6_dst_alloc(skb->dev, NULL, &ipv6_hdr(skb)->daddr);
- if (!dst) {
- err = -ENOMEM;
- goto err_out;
- }
-
icmpv6_flow_init(sk, &fl6, type,
&ipv6_hdr(skb)->saddr, &ipv6_hdr(skb)->daddr,
skb->dev->ifindex);
-
- dst = xfrm_lookup(net, dst, flowi6_to_flowi(&fl6), NULL, 0);
+ dst = icmp6_dst_alloc(skb->dev, NULL, &fl6);
if (IS_ERR(dst)) {
err = PTR_ERR(dst);
goto err_out;
@@ -1914,7 +1904,7 @@ static int ip6_mc_del_src(struct inet6_dev *idev, const struct in6_addr *pmca,
* Add multicast single-source filter to the interface list
*/
static int ip6_mc_add1_src(struct ifmcaddr6 *pmc, int sfmode,
- const struct in6_addr *psfsrc, int delta)
+ const struct in6_addr *psfsrc)
{
struct ip6_sf_list *psf, *psf_prev;
@@ -2045,7 +2035,7 @@ static int ip6_mc_add_src(struct inet6_dev *idev, const struct in6_addr *pmca,
pmc->mca_sfcount[sfmode]++;
err = 0;
for (i=0; i<sfcount; i++) {
- err = ip6_mc_add1_src(pmc, sfmode, &psfsrc[i], delta);
+ err = ip6_mc_add1_src(pmc, sfmode, &psfsrc[i]);
if (err)
break;
}
diff --git a/net/ipv6/mip6.c b/net/ipv6/mip6.c
index 43242e6e6103..7e1e0fbfef21 100644
--- a/net/ipv6/mip6.c
+++ b/net/ipv6/mip6.c
@@ -195,8 +195,8 @@ static inline int mip6_report_rl_allow(struct timeval *stamp,
mip6_report_rl.stamp.tv_sec = stamp->tv_sec;
mip6_report_rl.stamp.tv_usec = stamp->tv_usec;
mip6_report_rl.iif = iif;
- ipv6_addr_copy(&mip6_report_rl.src, src);
- ipv6_addr_copy(&mip6_report_rl.dst, dst);
+ mip6_report_rl.src = *src;
+ mip6_report_rl.dst = *dst;
allow = 1;
}
spin_unlock_bh(&mip6_report_rl.lock);
diff --git a/net/ipv6/ndisc.c b/net/ipv6/ndisc.c
index 0cb78d7ddaf5..d8f02ef88e59 100644
--- a/net/ipv6/ndisc.c
+++ b/net/ipv6/ndisc.c
@@ -93,7 +93,7 @@
static u32 ndisc_hash(const void *pkey,
const struct net_device *dev,
- __u32 rnd);
+ __u32 *hash_rnd);
static int ndisc_constructor(struct neighbour *neigh);
static void ndisc_solicit(struct neighbour *neigh, struct sk_buff *skb);
static void ndisc_error_report(struct neighbour *neigh, struct sk_buff *skb);
@@ -126,7 +126,6 @@ static const struct neigh_ops ndisc_direct_ops = {
struct neigh_table nd_tbl = {
.family = AF_INET6,
- .entry_size = sizeof(struct neighbour) + sizeof(struct in6_addr),
.key_len = sizeof(struct in6_addr),
.hash = ndisc_hash,
.constructor = ndisc_constructor,
@@ -141,7 +140,7 @@ struct neigh_table nd_tbl = {
.gc_staletime = 60 * HZ,
.reachable_time = ND_REACHABLE_TIME,
.delay_probe_time = 5 * HZ,
- .queue_len = 3,
+ .queue_len_bytes = 64*1024,
.ucast_probes = 3,
.mcast_probes = 3,
.anycast_delay = 1 * HZ,
@@ -350,16 +349,9 @@ EXPORT_SYMBOL(ndisc_mc_map);
static u32 ndisc_hash(const void *pkey,
const struct net_device *dev,
- __u32 hash_rnd)
+ __u32 *hash_rnd)
{
- const u32 *p32 = pkey;
- u32 addr_hash, i;
-
- addr_hash = 0;
- for (i = 0; i < (sizeof(struct in6_addr) / sizeof(u32)); i++)
- addr_hash ^= *p32++;
-
- return jhash_2words(addr_hash, dev->ifindex, hash_rnd);
+ return ndisc_hashfn(pkey, dev, hash_rnd);
}
static int ndisc_constructor(struct neighbour *neigh)
@@ -446,6 +438,8 @@ struct sk_buff *ndisc_build_skb(struct net_device *dev,
struct sock *sk = net->ipv6.ndisc_sk;
struct sk_buff *skb;
struct icmp6hdr *hdr;
+ int hlen = LL_RESERVED_SPACE(dev);
+ int tlen = dev->needed_tailroom;
int len;
int err;
u8 *opt;
@@ -459,7 +453,7 @@ struct sk_buff *ndisc_build_skb(struct net_device *dev,
skb = sock_alloc_send_skb(sk,
(MAX_HEADER + sizeof(struct ipv6hdr) +
- len + LL_ALLOCATED_SPACE(dev)),
+ len + hlen + tlen),
1, &err);
if (!skb) {
ND_PRINTK0(KERN_ERR
@@ -468,7 +462,7 @@ struct sk_buff *ndisc_build_skb(struct net_device *dev,
return NULL;
}
- skb_reserve(skb, LL_RESERVED_SPACE(dev));
+ skb_reserve(skb, hlen);
ip6_nd_hdr(sk, skb, dev, saddr, daddr, IPPROTO_ICMPV6, len);
skb->transport_header = skb->tail;
@@ -479,7 +473,7 @@ struct sk_buff *ndisc_build_skb(struct net_device *dev,
opt = skb_transport_header(skb) + sizeof(struct icmp6hdr);
if (target) {
- ipv6_addr_copy((struct in6_addr *)opt, target);
+ *(struct in6_addr *)opt = *target;
opt += sizeof(*target);
}
@@ -515,14 +509,7 @@ void ndisc_send_skb(struct sk_buff *skb,
type = icmp6h->icmp6_type;
icmpv6_flow_init(sk, &fl6, type, saddr, daddr, dev->ifindex);
-
- dst = icmp6_dst_alloc(dev, neigh, daddr);
- if (!dst) {
- kfree_skb(skb);
- return;
- }
-
- dst = xfrm_lookup(net, dst, flowi6_to_flowi(&fl6), NULL, 0);
+ dst = icmp6_dst_alloc(dev, neigh, &fl6);
if (IS_ERR(dst)) {
kfree_skb(skb);
return;
@@ -1237,7 +1224,7 @@ static void ndisc_router_discovery(struct sk_buff *skb)
rt = rt6_get_dflt_router(&ipv6_hdr(skb)->saddr, skb->dev);
if (rt)
- neigh = dst_get_neighbour(&rt->dst);
+ neigh = dst_get_neighbour_noref(&rt->dst);
if (rt && lifetime == 0) {
neigh_clone(neigh);
@@ -1257,7 +1244,7 @@ static void ndisc_router_discovery(struct sk_buff *skb)
return;
}
- neigh = dst_get_neighbour(&rt->dst);
+ neigh = dst_get_neighbour_noref(&rt->dst);
if (neigh == NULL) {
ND_PRINTK0(KERN_ERR
"ICMPv6 RA: %s() got default router without neighbour.\n",
@@ -1271,7 +1258,7 @@ static void ndisc_router_discovery(struct sk_buff *skb)
}
if (rt)
- rt->rt6i_expires = jiffies + (HZ * lifetime);
+ rt->dst.expires = jiffies + (HZ * lifetime);
if (ra_msg->icmph.icmp6_hop_limit) {
in6_dev->cnf.hop_limit = ra_msg->icmph.icmp6_hop_limit;
@@ -1381,7 +1368,9 @@ skip_routeinfo:
for (p = ndopts.nd_opts_pi;
p;
p = ndisc_next_option(p, ndopts.nd_opts_pi_end)) {
- addrconf_prefix_rcv(skb->dev, (u8*)p, (p->nd_opt_len) << 3);
+ addrconf_prefix_rcv(skb->dev, (u8 *)p,
+ (p->nd_opt_len) << 3,
+ ndopts.nd_opts_src_lladdr != NULL);
}
}
@@ -1533,6 +1522,7 @@ void ndisc_send_redirect(struct sk_buff *skb, struct neighbour *neigh,
struct inet6_dev *idev;
struct flowi6 fl6;
u8 *opt;
+ int hlen, tlen;
int rd_len;
int err;
u8 ha_buf[MAX_ADDR_LEN], *ha = NULL;
@@ -1590,9 +1580,11 @@ void ndisc_send_redirect(struct sk_buff *skb, struct neighbour *neigh,
rd_len &= ~0x7;
len += rd_len;
+ hlen = LL_RESERVED_SPACE(dev);
+ tlen = dev->needed_tailroom;
buff = sock_alloc_send_skb(sk,
(MAX_HEADER + sizeof(struct ipv6hdr) +
- len + LL_ALLOCATED_SPACE(dev)),
+ len + hlen + tlen),
1, &err);
if (buff == NULL) {
ND_PRINTK0(KERN_ERR
@@ -1601,7 +1593,7 @@ void ndisc_send_redirect(struct sk_buff *skb, struct neighbour *neigh,
goto release;
}
- skb_reserve(buff, LL_RESERVED_SPACE(dev));
+ skb_reserve(buff, hlen);
ip6_nd_hdr(sk, buff, dev, &saddr_buf, &ipv6_hdr(skb)->saddr,
IPPROTO_ICMPV6, len);
@@ -1617,9 +1609,9 @@ void ndisc_send_redirect(struct sk_buff *skb, struct neighbour *neigh,
*/
addrp = (struct in6_addr *)(icmph + 1);
- ipv6_addr_copy(addrp, target);
+ *addrp = *target;
addrp++;
- ipv6_addr_copy(addrp, &ipv6_hdr(skb)->daddr);
+ *addrp = ipv6_hdr(skb)->daddr;
opt = (u8*) (addrp + 1);
diff --git a/net/ipv6/netfilter/Kconfig b/net/ipv6/netfilter/Kconfig
index f792b34cbe9c..9a68fb5b9e77 100644
--- a/net/ipv6/netfilter/Kconfig
+++ b/net/ipv6/netfilter/Kconfig
@@ -125,6 +125,16 @@ config IP6_NF_MATCH_MH
To compile it as a module, choose M here. If unsure, say N.
+config IP6_NF_MATCH_RPFILTER
+ tristate '"rpfilter" reverse path filter match support'
+ depends on NETFILTER_ADVANCED
+ ---help---
+ This option allows you to match packets whose replies would
+ go out via the interface the packet came in.
+
+ To compile it as a module, choose M here. If unsure, say N.
+ The module will be called ip6t_rpfilter.
+
config IP6_NF_MATCH_RT
tristate '"rt" Routing header match support'
depends on NETFILTER_ADVANCED
diff --git a/net/ipv6/netfilter/Makefile b/net/ipv6/netfilter/Makefile
index abfee91ce816..2eaed96db02c 100644
--- a/net/ipv6/netfilter/Makefile
+++ b/net/ipv6/netfilter/Makefile
@@ -27,6 +27,7 @@ obj-$(CONFIG_IP6_NF_MATCH_FRAG) += ip6t_frag.o
obj-$(CONFIG_IP6_NF_MATCH_IPV6HEADER) += ip6t_ipv6header.o
obj-$(CONFIG_IP6_NF_MATCH_MH) += ip6t_mh.o
obj-$(CONFIG_IP6_NF_MATCH_OPTS) += ip6t_hbh.o
+obj-$(CONFIG_IP6_NF_MATCH_RPFILTER) += ip6t_rpfilter.o
obj-$(CONFIG_IP6_NF_MATCH_RT) += ip6t_rt.o
# targets
diff --git a/net/ipv6/netfilter/ip6_queue.c b/net/ipv6/netfilter/ip6_queue.c
index e63c3972a739..fb80a23c6640 100644
--- a/net/ipv6/netfilter/ip6_queue.c
+++ b/net/ipv6/netfilter/ip6_queue.c
@@ -405,6 +405,7 @@ __ipq_rcv_skb(struct sk_buff *skb)
int status, type, pid, flags;
unsigned int nlmsglen, skblen;
struct nlmsghdr *nlh;
+ bool enable_timestamp = false;
skblen = skb->len;
if (skblen < sizeof(*nlh))
@@ -442,11 +443,13 @@ __ipq_rcv_skb(struct sk_buff *skb)
RCV_SKB_FAIL(-EBUSY);
}
} else {
- net_enable_timestamp();
+ enable_timestamp = true;
peer_pid = pid;
}
spin_unlock_bh(&queue_lock);
+ if (enable_timestamp)
+ net_enable_timestamp();
status = ipq_receive_peer(NLMSG_DATA(nlh), type,
nlmsglen - NLMSG_LENGTH(0));
diff --git a/net/ipv6/netfilter/ip6t_REJECT.c b/net/ipv6/netfilter/ip6t_REJECT.c
index a5a4c5dd5396..aad2fa41cf46 100644
--- a/net/ipv6/netfilter/ip6t_REJECT.c
+++ b/net/ipv6/netfilter/ip6t_REJECT.c
@@ -49,6 +49,7 @@ static void send_reset(struct net *net, struct sk_buff *oldskb)
const __u8 tclass = DEFAULT_TOS_VALUE;
struct dst_entry *dst = NULL;
u8 proto;
+ __be16 frag_off;
struct flowi6 fl6;
if ((!(ipv6_addr_type(&oip6h->saddr) & IPV6_ADDR_UNICAST)) ||
@@ -58,7 +59,7 @@ static void send_reset(struct net *net, struct sk_buff *oldskb)
}
proto = oip6h->nexthdr;
- tcphoff = ipv6_skip_exthdr(oldskb, ((u8*)(oip6h+1) - oldskb->data), &proto);
+ tcphoff = ipv6_skip_exthdr(oldskb, ((u8*)(oip6h+1) - oldskb->data), &proto, &frag_off);
if ((tcphoff < 0) || (tcphoff > oldskb->len)) {
pr_debug("Cannot get TCP header.\n");
@@ -93,8 +94,8 @@ static void send_reset(struct net *net, struct sk_buff *oldskb)
memset(&fl6, 0, sizeof(fl6));
fl6.flowi6_proto = IPPROTO_TCP;
- ipv6_addr_copy(&fl6.saddr, &oip6h->daddr);
- ipv6_addr_copy(&fl6.daddr, &oip6h->saddr);
+ fl6.saddr = oip6h->daddr;
+ fl6.daddr = oip6h->saddr;
fl6.fl6_sport = otcph.dest;
fl6.fl6_dport = otcph.source;
security_skb_classify_flow(oldskb, flowi6_to_flowi(&fl6));
@@ -129,8 +130,8 @@ static void send_reset(struct net *net, struct sk_buff *oldskb)
*(__be32 *)ip6h = htonl(0x60000000 | (tclass << 20));
ip6h->hop_limit = ip6_dst_hoplimit(dst);
ip6h->nexthdr = IPPROTO_TCP;
- ipv6_addr_copy(&ip6h->saddr, &oip6h->daddr);
- ipv6_addr_copy(&ip6h->daddr, &oip6h->saddr);
+ ip6h->saddr = oip6h->daddr;
+ ip6h->daddr = oip6h->saddr;
tcph = (struct tcphdr *)skb_put(nskb, sizeof(struct tcphdr));
/* Truncate to length (no data) */
diff --git a/net/ipv6/netfilter/ip6t_rpfilter.c b/net/ipv6/netfilter/ip6t_rpfilter.c
new file mode 100644
index 000000000000..5d1d8b04d694
--- /dev/null
+++ b/net/ipv6/netfilter/ip6t_rpfilter.c
@@ -0,0 +1,133 @@
+/*
+ * Copyright (c) 2011 Florian Westphal <fw@strlen.de>
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation.
+ */
+#define pr_fmt(fmt) KBUILD_MODNAME ": " fmt
+#include <linux/module.h>
+#include <linux/skbuff.h>
+#include <linux/netdevice.h>
+#include <linux/route.h>
+#include <net/ip6_fib.h>
+#include <net/ip6_route.h>
+
+#include <linux/netfilter/xt_rpfilter.h>
+#include <linux/netfilter/x_tables.h>
+
+MODULE_LICENSE("GPL");
+MODULE_AUTHOR("Florian Westphal <fw@strlen.de>");
+MODULE_DESCRIPTION("Xtables: IPv6 reverse path filter match");
+
+static bool rpfilter_addr_unicast(const struct in6_addr *addr)
+{
+ int addr_type = ipv6_addr_type(addr);
+ return addr_type & IPV6_ADDR_UNICAST;
+}
+
+static bool rpfilter_lookup_reverse6(const struct sk_buff *skb,
+ const struct net_device *dev, u8 flags)
+{
+ struct rt6_info *rt;
+ struct ipv6hdr *iph = ipv6_hdr(skb);
+ bool ret = false;
+ struct flowi6 fl6 = {
+ .flowlabel = (* (__be32 *) iph) & IPV6_FLOWINFO_MASK,
+ .flowi6_proto = iph->nexthdr,
+ .daddr = iph->saddr,
+ };
+ int lookup_flags;
+
+ if (rpfilter_addr_unicast(&iph->daddr)) {
+ memcpy(&fl6.saddr, &iph->daddr, sizeof(struct in6_addr));
+ lookup_flags = RT6_LOOKUP_F_HAS_SADDR;
+ } else {
+ lookup_flags = 0;
+ }
+
+ fl6.flowi6_mark = flags & XT_RPFILTER_VALID_MARK ? skb->mark : 0;
+ if ((flags & XT_RPFILTER_LOOSE) == 0) {
+ fl6.flowi6_oif = dev->ifindex;
+ lookup_flags |= RT6_LOOKUP_F_IFACE;
+ }
+
+ rt = (void *) ip6_route_lookup(dev_net(dev), &fl6, lookup_flags);
+ if (rt->dst.error)
+ goto out;
+
+ if (rt->rt6i_flags & (RTF_REJECT|RTF_ANYCAST))
+ goto out;
+
+ if (rt->rt6i_flags & RTF_LOCAL) {
+ ret = flags & XT_RPFILTER_ACCEPT_LOCAL;
+ goto out;
+ }
+
+ if (rt->rt6i_idev->dev == dev || (flags & XT_RPFILTER_LOOSE))
+ ret = true;
+ out:
+ dst_release(&rt->dst);
+ return ret;
+}
+
+static bool rpfilter_mt(const struct sk_buff *skb, struct xt_action_param *par)
+{
+ const struct xt_rpfilter_info *info = par->matchinfo;
+ int saddrtype;
+ struct ipv6hdr *iph;
+ bool invert = info->flags & XT_RPFILTER_INVERT;
+
+ if (par->in->flags & IFF_LOOPBACK)
+ return true ^ invert;
+
+ iph = ipv6_hdr(skb);
+ saddrtype = ipv6_addr_type(&iph->saddr);
+ if (unlikely(saddrtype == IPV6_ADDR_ANY))
+ return true ^ invert; /* not routable: forward path will drop it */
+
+ return rpfilter_lookup_reverse6(skb, par->in, info->flags) ^ invert;
+}
+
+static int rpfilter_check(const struct xt_mtchk_param *par)
+{
+ const struct xt_rpfilter_info *info = par->matchinfo;
+ unsigned int options = ~XT_RPFILTER_OPTION_MASK;
+
+ if (info->flags & options) {
+ pr_info("unknown options encountered");
+ return -EINVAL;
+ }
+
+ if (strcmp(par->table, "mangle") != 0 &&
+ strcmp(par->table, "raw") != 0) {
+ pr_info("match only valid in the \'raw\' "
+ "or \'mangle\' tables, not \'%s\'.\n", par->table);
+ return -EINVAL;
+ }
+
+ return 0;
+}
+
+static struct xt_match rpfilter_mt_reg __read_mostly = {
+ .name = "rpfilter",
+ .family = NFPROTO_IPV6,
+ .checkentry = rpfilter_check,
+ .match = rpfilter_mt,
+ .matchsize = sizeof(struct xt_rpfilter_info),
+ .hooks = (1 << NF_INET_PRE_ROUTING),
+ .me = THIS_MODULE
+};
+
+static int __init rpfilter_mt_init(void)
+{
+ return xt_register_match(&rpfilter_mt_reg);
+}
+
+static void __exit rpfilter_mt_exit(void)
+{
+ xt_unregister_match(&rpfilter_mt_reg);
+}
+
+module_init(rpfilter_mt_init);
+module_exit(rpfilter_mt_exit);
diff --git a/net/ipv6/netfilter/ip6table_filter.c b/net/ipv6/netfilter/ip6table_filter.c
index c9e37c8fd62c..a8f6da97e3b2 100644
--- a/net/ipv6/netfilter/ip6table_filter.c
+++ b/net/ipv6/netfilter/ip6table_filter.c
@@ -44,7 +44,7 @@ ip6table_filter_hook(unsigned int hook, struct sk_buff *skb,
static struct nf_hook_ops *filter_ops __read_mostly;
/* Default to forward because I got too much mail already. */
-static int forward = NF_ACCEPT;
+static bool forward = NF_ACCEPT;
module_param(forward, bool, 0000);
static int __net_init ip6table_filter_net_init(struct net *net)
diff --git a/net/ipv6/proc.c b/net/ipv6/proc.c
index 1008ce94bc33..fdeb6d03da81 100644
--- a/net/ipv6/proc.c
+++ b/net/ipv6/proc.c
@@ -142,11 +142,7 @@ static const struct snmp_mib snmp6_udplite6_list[] = {
SNMP_MIB_SENTINEL
};
-/* can be called either with percpu mib (pcpumib != NULL),
- * or shared one (smib != NULL)
- */
-static void snmp6_seq_show_icmpv6msg(struct seq_file *seq, void __percpu **pcpumib,
- atomic_long_t *smib)
+static void snmp6_seq_show_icmpv6msg(struct seq_file *seq, atomic_long_t *smib)
{
char name[32];
int i;
@@ -163,14 +159,14 @@ static void snmp6_seq_show_icmpv6msg(struct seq_file *seq, void __percpu **pcpum
snprintf(name, sizeof(name), "Icmp6%s%s",
i & 0x100 ? "Out" : "In", p);
seq_printf(seq, "%-32s\t%lu\n", name,
- pcpumib ? snmp_fold_field(pcpumib, i) : atomic_long_read(smib + i));
+ atomic_long_read(smib + i));
}
/* print by number (nonzero only) - ICMPMsgStat format */
for (i = 0; i < ICMP6MSG_MIB_MAX; i++) {
unsigned long val;
- val = pcpumib ? snmp_fold_field(pcpumib, i) : atomic_long_read(smib + i);
+ val = atomic_long_read(smib + i);
if (!val)
continue;
snprintf(name, sizeof(name), "Icmp6%sType%u",
@@ -215,8 +211,7 @@ static int snmp6_seq_show(struct seq_file *seq, void *v)
snmp6_ipstats_list, offsetof(struct ipstats_mib, syncp));
snmp6_seq_show_item(seq, (void __percpu **)net->mib.icmpv6_statistics,
NULL, snmp6_icmp6_list);
- snmp6_seq_show_icmpv6msg(seq,
- (void __percpu **)net->mib.icmpv6msg_statistics, NULL);
+ snmp6_seq_show_icmpv6msg(seq, net->mib.icmpv6msg_statistics->mibs);
snmp6_seq_show_item(seq, (void __percpu **)net->mib.udp_stats_in6,
NULL, snmp6_udp6_list);
snmp6_seq_show_item(seq, (void __percpu **)net->mib.udplite_stats_in6,
@@ -246,7 +241,7 @@ static int snmp6_dev_seq_show(struct seq_file *seq, void *v)
snmp6_ipstats_list);
snmp6_seq_show_item(seq, NULL, idev->stats.icmpv6dev->mibs,
snmp6_icmp6_list);
- snmp6_seq_show_icmpv6msg(seq, NULL, idev->stats.icmpv6msgdev->mibs);
+ snmp6_seq_show_icmpv6msg(seq, idev->stats.icmpv6msgdev->mibs);
return 0;
}
diff --git a/net/ipv6/raw.c b/net/ipv6/raw.c
index 331af3b882ac..a4894f4f1944 100644
--- a/net/ipv6/raw.c
+++ b/net/ipv6/raw.c
@@ -299,9 +299,9 @@ static int rawv6_bind(struct sock *sk, struct sockaddr *uaddr, int addr_len)
}
inet->inet_rcv_saddr = inet->inet_saddr = v4addr;
- ipv6_addr_copy(&np->rcv_saddr, &addr->sin6_addr);
+ np->rcv_saddr = addr->sin6_addr;
if (!(addr_type & IPV6_ADDR_MULTICAST))
- ipv6_addr_copy(&np->saddr, &addr->sin6_addr);
+ np->saddr = addr->sin6_addr;
err = 0;
out_unlock:
rcu_read_unlock();
@@ -383,7 +383,8 @@ static inline int rawv6_rcv_skb(struct sock *sk, struct sk_buff *skb)
}
/* Charge it to the socket. */
- if (ip_queue_rcv_skb(sk, skb) < 0) {
+ skb_dst_drop(skb);
+ if (sock_queue_rcv_skb(sk, skb) < 0) {
kfree_skb(skb);
return NET_RX_DROP;
}
@@ -494,7 +495,7 @@ static int rawv6_recvmsg(struct kiocb *iocb, struct sock *sk,
if (sin6) {
sin6->sin6_family = AF_INET6;
sin6->sin6_port = 0;
- ipv6_addr_copy(&sin6->sin6_addr, &ipv6_hdr(skb)->saddr);
+ sin6->sin6_addr = ipv6_hdr(skb)->saddr;
sin6->sin6_flowinfo = 0;
sin6->sin6_scope_id = 0;
if (ipv6_addr_type(&sin6->sin6_addr) & IPV6_ADDR_LINKLOCAL)
@@ -610,6 +611,8 @@ static int rawv6_send_hdrinc(struct sock *sk, void *from, int length,
struct sk_buff *skb;
int err;
struct rt6_info *rt = (struct rt6_info *)*dstp;
+ int hlen = LL_RESERVED_SPACE(rt->dst.dev);
+ int tlen = rt->dst.dev->needed_tailroom;
if (length > rt->dst.dev->mtu) {
ipv6_local_error(sk, EMSGSIZE, fl6, rt->dst.dev->mtu);
@@ -619,11 +622,11 @@ static int rawv6_send_hdrinc(struct sock *sk, void *from, int length,
goto out;
skb = sock_alloc_send_skb(sk,
- length + LL_ALLOCATED_SPACE(rt->dst.dev) + 15,
+ length + hlen + tlen + 15,
flags & MSG_DONTWAIT, &err);
if (skb == NULL)
goto error;
- skb_reserve(skb, LL_RESERVED_SPACE(rt->dst.dev));
+ skb_reserve(skb, hlen);
skb->priority = sk->sk_priority;
skb->mark = sk->sk_mark;
@@ -843,11 +846,11 @@ static int rawv6_sendmsg(struct kiocb *iocb, struct sock *sk,
goto out;
if (!ipv6_addr_any(daddr))
- ipv6_addr_copy(&fl6.daddr, daddr);
+ fl6.daddr = *daddr;
else
fl6.daddr.s6_addr[15] = 0x1; /* :: means loopback (BSD'ism) */
if (ipv6_addr_any(&fl6.saddr) && !ipv6_addr_any(&np->saddr))
- ipv6_addr_copy(&fl6.saddr, &np->saddr);
+ fl6.saddr = np->saddr;
final_p = fl6_update_dst(&fl6, opt, &final);
diff --git a/net/ipv6/reassembly.c b/net/ipv6/reassembly.c
index dfb164e9051a..b69fae76a6f1 100644
--- a/net/ipv6/reassembly.c
+++ b/net/ipv6/reassembly.c
@@ -153,8 +153,8 @@ void ip6_frag_init(struct inet_frag_queue *q, void *a)
fq->id = arg->id;
fq->user = arg->user;
- ipv6_addr_copy(&fq->saddr, arg->src);
- ipv6_addr_copy(&fq->daddr, arg->dst);
+ fq->saddr = *arg->src;
+ fq->daddr = *arg->dst;
}
EXPORT_SYMBOL(ip6_frag_init);
diff --git a/net/ipv6/route.c b/net/ipv6/route.c
index b582a0a0f1c5..07361dfa8085 100644
--- a/net/ipv6/route.c
+++ b/net/ipv6/route.c
@@ -62,17 +62,6 @@
#include <linux/sysctl.h>
#endif
-/* Set to 3 to get tracing. */
-#define RT6_DEBUG 2
-
-#if RT6_DEBUG >= 3
-#define RDBG(x) printk x
-#define RT6_TRACE(x...) printk(KERN_DEBUG x)
-#else
-#define RDBG(x)
-#define RT6_TRACE(x...) do { ; } while (0)
-#endif
-
static struct rt6_info *ip6_rt_copy(const struct rt6_info *ort,
const struct in6_addr *dest);
static struct dst_entry *ip6_dst_check(struct dst_entry *dst, u32 cookie);
@@ -134,7 +123,23 @@ static u32 *ipv6_cow_metrics(struct dst_entry *dst, unsigned long old)
static struct neighbour *ip6_neigh_lookup(const struct dst_entry *dst, const void *daddr)
{
- return __neigh_lookup_errno(&nd_tbl, daddr, dst->dev);
+ struct neighbour *n = __ipv6_neigh_lookup(&nd_tbl, dst->dev, daddr);
+ if (n)
+ return n;
+ return neigh_create(&nd_tbl, daddr, dst->dev);
+}
+
+static int rt6_bind_neighbour(struct rt6_info *rt, struct net_device *dev)
+{
+ struct neighbour *n = __ipv6_neigh_lookup(&nd_tbl, dev, &rt->rt6i_gateway);
+ if (!n) {
+ n = neigh_create(&nd_tbl, &rt->rt6i_gateway, dev);
+ if (IS_ERR(n))
+ return PTR_ERR(n);
+ }
+ dst_set_neighbour(&rt->dst, n);
+
+ return 0;
}
static struct dst_ops ip6_dst_ops_template = {
@@ -247,9 +252,9 @@ static inline struct rt6_info *ip6_dst_alloc(struct dst_ops *ops,
{
struct rt6_info *rt = dst_alloc(ops, dev, 0, 0, flags);
- if (rt != NULL)
+ if (rt)
memset(&rt->rt6i_table, 0,
- sizeof(*rt) - sizeof(struct dst_entry));
+ sizeof(*rt) - sizeof(struct dst_entry));
return rt;
}
@@ -263,7 +268,7 @@ static void ip6_dst_destroy(struct dst_entry *dst)
if (!(rt->dst.flags & DST_HOST))
dst_destroy_metrics_generic(dst);
- if (idev != NULL) {
+ if (idev) {
rt->rt6i_idev = NULL;
in6_dev_put(idev);
}
@@ -299,10 +304,10 @@ static void ip6_dst_ifdown(struct dst_entry *dst, struct net_device *dev,
struct net_device *loopback_dev =
dev_net(dev)->loopback_dev;
- if (dev != loopback_dev && idev != NULL && idev->dev == dev) {
+ if (dev != loopback_dev && idev && idev->dev == dev) {
struct inet6_dev *loopback_idev =
in6_dev_get(loopback_dev);
- if (loopback_idev != NULL) {
+ if (loopback_idev) {
rt->rt6i_idev = loopback_idev;
in6_dev_put(idev);
}
@@ -312,7 +317,7 @@ static void ip6_dst_ifdown(struct dst_entry *dst, struct net_device *dev,
static __inline__ int rt6_check_expired(const struct rt6_info *rt)
{
return (rt->rt6i_flags & RTF_EXPIRES) &&
- time_after(jiffies, rt->rt6i_expires);
+ time_after(jiffies, rt->dst.expires);
}
static inline int rt6_need_strict(const struct in6_addr *daddr)
@@ -338,13 +343,13 @@ static inline struct rt6_info *rt6_device_match(struct net *net,
goto out;
for (sprt = rt; sprt; sprt = sprt->dst.rt6_next) {
- struct net_device *dev = sprt->rt6i_dev;
+ struct net_device *dev = sprt->dst.dev;
if (oif) {
if (dev->ifindex == oif)
return sprt;
if (dev->flags & IFF_LOOPBACK) {
- if (sprt->rt6i_idev == NULL ||
+ if (!sprt->rt6i_idev ||
sprt->rt6i_idev->dev->ifindex != oif) {
if (flags & RT6_LOOKUP_F_IFACE && oif)
continue;
@@ -385,7 +390,7 @@ static void rt6_probe(struct rt6_info *rt)
* to no more than one per minute.
*/
rcu_read_lock();
- neigh = rt ? dst_get_neighbour(&rt->dst) : NULL;
+ neigh = rt ? dst_get_neighbour_noref(&rt->dst) : NULL;
if (!neigh || (neigh->nud_state & NUD_VALID))
goto out;
read_lock_bh(&neigh->lock);
@@ -399,7 +404,7 @@ static void rt6_probe(struct rt6_info *rt)
target = (struct in6_addr *)&neigh->primary_key;
addrconf_addr_solict_mult(target, &mcaddr);
- ndisc_send_ns(rt->rt6i_dev, NULL, target, &mcaddr, NULL);
+ ndisc_send_ns(rt->dst.dev, NULL, target, &mcaddr, NULL);
} else {
read_unlock_bh(&neigh->lock);
}
@@ -417,7 +422,7 @@ static inline void rt6_probe(struct rt6_info *rt)
*/
static inline int rt6_check_dev(struct rt6_info *rt, int oif)
{
- struct net_device *dev = rt->rt6i_dev;
+ struct net_device *dev = rt->dst.dev;
if (!oif || dev->ifindex == oif)
return 2;
if ((dev->flags & IFF_LOOPBACK) &&
@@ -432,7 +437,7 @@ static inline int rt6_check_neigh(struct rt6_info *rt)
int m;
rcu_read_lock();
- neigh = dst_get_neighbour(&rt->dst);
+ neigh = dst_get_neighbour_noref(&rt->dst);
if (rt->rt6i_flags & RTF_NONEXTHOP ||
!(rt->rt6i_flags & RTF_GATEWAY))
m = 1;
@@ -518,9 +523,6 @@ static struct rt6_info *rt6_select(struct fib6_node *fn, int oif, int strict)
struct rt6_info *match, *rt0;
struct net *net;
- RT6_TRACE("%s(fn->leaf=%p, oif=%d)\n",
- __func__, fn->leaf, oif);
-
rt0 = fn->rr_ptr;
if (!rt0)
fn->rr_ptr = rt0 = fn->leaf;
@@ -539,10 +541,7 @@ static struct rt6_info *rt6_select(struct fib6_node *fn, int oif, int strict)
fn->rr_ptr = next;
}
- RT6_TRACE("%s() => %p\n",
- __func__, match);
-
- net = dev_net(rt0->rt6i_dev);
+ net = dev_net(rt0->dst.dev);
return match ? match : net->ipv6.ip6_null_entry;
}
@@ -611,7 +610,7 @@ int rt6_route_rcv(struct net_device *dev, u8 *opt, int len,
if (!addrconf_finite_timeout(lifetime)) {
rt->rt6i_flags &= ~RTF_EXPIRES;
} else {
- rt->rt6i_expires = jiffies + HZ * lifetime;
+ rt->dst.expires = jiffies + HZ * lifetime;
rt->rt6i_flags |= RTF_EXPIRES;
}
dst_release(&rt->dst);
@@ -636,7 +635,7 @@ do { \
goto restart; \
} \
} \
-} while(0)
+} while (0)
static struct rt6_info *ip6_pol_route_lookup(struct net *net,
struct fib6_table *table,
@@ -658,6 +657,13 @@ out:
}
+struct dst_entry * ip6_route_lookup(struct net *net, struct flowi6 *fl6,
+ int flags)
+{
+ return fib6_rule_lookup(net, fl6, flags, ip6_pol_route_lookup);
+}
+EXPORT_SYMBOL_GPL(ip6_route_lookup);
+
struct rt6_info *rt6_lookup(struct net *net, const struct in6_addr *daddr,
const struct in6_addr *saddr, int oif, int strict)
{
@@ -706,7 +712,7 @@ static int __ip6_ins_rt(struct rt6_info *rt, struct nl_info *info)
int ip6_ins_rt(struct rt6_info *rt)
{
struct nl_info info = {
- .nl_net = dev_net(rt->rt6i_dev),
+ .nl_net = dev_net(rt->dst.dev),
};
return __ip6_ins_rt(rt, &info);
}
@@ -724,29 +730,27 @@ static struct rt6_info *rt6_alloc_cow(const struct rt6_info *ort,
rt = ip6_rt_copy(ort, daddr);
if (rt) {
- struct neighbour *neigh;
int attempts = !in_softirq();
- if (!(rt->rt6i_flags&RTF_GATEWAY)) {
+ if (!(rt->rt6i_flags & RTF_GATEWAY)) {
if (ort->rt6i_dst.plen != 128 &&
ipv6_addr_equal(&ort->rt6i_dst.addr, daddr))
rt->rt6i_flags |= RTF_ANYCAST;
- ipv6_addr_copy(&rt->rt6i_gateway, daddr);
+ rt->rt6i_gateway = *daddr;
}
rt->rt6i_flags |= RTF_CACHE;
#ifdef CONFIG_IPV6_SUBTREES
if (rt->rt6i_src.plen && saddr) {
- ipv6_addr_copy(&rt->rt6i_src.addr, saddr);
+ rt->rt6i_src.addr = *saddr;
rt->rt6i_src.plen = 128;
}
#endif
retry:
- neigh = ndisc_get_neigh(rt->rt6i_dev, &rt->rt6i_gateway);
- if (IS_ERR(neigh)) {
- struct net *net = dev_net(rt->rt6i_dev);
+ if (rt6_bind_neighbour(rt, rt->dst.dev)) {
+ struct net *net = dev_net(rt->dst.dev);
int saved_rt_min_interval =
net->ipv6.sysctl.ip6_rt_gc_min_interval;
int saved_rt_elasticity =
@@ -771,8 +775,6 @@ static struct rt6_info *rt6_alloc_cow(const struct rt6_info *ort,
dst_free(&rt->dst);
return NULL;
}
- dst_set_neighbour(&rt->dst, neigh);
-
}
return rt;
@@ -785,7 +787,7 @@ static struct rt6_info *rt6_alloc_clone(struct rt6_info *ort,
if (rt) {
rt->rt6i_flags |= RTF_CACHE;
- dst_set_neighbour(&rt->dst, neigh_clone(dst_get_neighbour_raw(&ort->dst)));
+ dst_set_neighbour(&rt->dst, neigh_clone(dst_get_neighbour_noref_raw(&ort->dst)));
}
return rt;
}
@@ -819,7 +821,7 @@ restart:
dst_hold(&rt->dst);
read_unlock_bh(&table->tb6_lock);
- if (!dst_get_neighbour_raw(&rt->dst) && !(rt->rt6i_flags & RTF_NONEXTHOP))
+ if (!dst_get_neighbour_noref_raw(&rt->dst) && !(rt->rt6i_flags & RTF_NONEXTHOP))
nrt = rt6_alloc_cow(rt, &fl6->daddr, &fl6->saddr);
else if (!(rt->dst.flags & DST_HOST))
nrt = rt6_alloc_clone(rt, &fl6->daddr);
@@ -875,7 +877,7 @@ void ip6_route_input(struct sk_buff *skb)
.flowi6_iif = skb->dev->ifindex,
.daddr = iph->daddr,
.saddr = iph->saddr,
- .flowlabel = (* (__be32 *) iph)&IPV6_FLOWINFO_MASK,
+ .flowlabel = (* (__be32 *) iph) & IPV6_FLOWINFO_MASK,
.flowi6_mark = skb->mark,
.flowi6_proto = iph->nexthdr,
};
@@ -932,9 +934,9 @@ struct dst_entry *ip6_blackhole_route(struct net *net, struct dst_entry *dst_ori
rt->rt6i_idev = ort->rt6i_idev;
if (rt->rt6i_idev)
in6_dev_hold(rt->rt6i_idev);
- rt->rt6i_expires = 0;
+ rt->dst.expires = 0;
- ipv6_addr_copy(&rt->rt6i_gateway, &ort->rt6i_gateway);
+ rt->rt6i_gateway = ort->rt6i_gateway;
rt->rt6i_flags = ort->rt6i_flags & ~RTF_EXPIRES;
rt->rt6i_metric = 0;
@@ -997,7 +999,7 @@ static void ip6_link_failure(struct sk_buff *skb)
rt = (struct rt6_info *) skb_dst(skb);
if (rt) {
- if (rt->rt6i_flags&RTF_CACHE) {
+ if (rt->rt6i_flags & RTF_CACHE) {
dst_set_expires(&rt->dst, 0);
rt->rt6i_flags |= RTF_EXPIRES;
} else if (rt->rt6i_node && (rt->rt6i_flags & RTF_DEFAULT))
@@ -1067,34 +1069,38 @@ static DEFINE_SPINLOCK(icmp6_dst_lock);
struct dst_entry *icmp6_dst_alloc(struct net_device *dev,
struct neighbour *neigh,
- const struct in6_addr *addr)
+ struct flowi6 *fl6)
{
+ struct dst_entry *dst;
struct rt6_info *rt;
struct inet6_dev *idev = in6_dev_get(dev);
struct net *net = dev_net(dev);
- if (unlikely(idev == NULL))
+ if (unlikely(!idev))
return NULL;
rt = ip6_dst_alloc(&net->ipv6.ip6_dst_ops, dev, 0);
- if (unlikely(rt == NULL)) {
+ if (unlikely(!rt)) {
in6_dev_put(idev);
+ dst = ERR_PTR(-ENOMEM);
goto out;
}
if (neigh)
neigh_hold(neigh);
else {
- neigh = ndisc_get_neigh(dev, addr);
- if (IS_ERR(neigh))
- neigh = NULL;
+ neigh = ip6_neigh_lookup(&rt->dst, &fl6->daddr);
+ if (IS_ERR(neigh)) {
+ dst_free(&rt->dst);
+ return ERR_CAST(neigh);
+ }
}
rt->dst.flags |= DST_HOST;
rt->dst.output = ip6_output;
dst_set_neighbour(&rt->dst, neigh);
atomic_set(&rt->dst.__refcnt, 1);
- ipv6_addr_copy(&rt->rt6i_dst.addr, addr);
+ rt->rt6i_dst.addr = fl6->daddr;
rt->rt6i_dst.plen = 128;
rt->rt6i_idev = idev;
dst_metric_set(&rt->dst, RTAX_HOPLIMIT, 255);
@@ -1106,8 +1112,10 @@ struct dst_entry *icmp6_dst_alloc(struct net_device *dev,
fib6_force_start_gc(net);
+ dst = xfrm_lookup(net, &rt->dst, flowi6_to_flowi(fl6), NULL, 0);
+
out:
- return &rt->dst;
+ return dst;
}
int icmp6_dst_gc(void)
@@ -1237,21 +1245,30 @@ int ip6_route_add(struct fib6_config *cfg)
if (cfg->fc_metric == 0)
cfg->fc_metric = IP6_RT_PRIO_USER;
- table = fib6_new_table(net, cfg->fc_table);
- if (table == NULL) {
- err = -ENOBUFS;
- goto out;
+ err = -ENOBUFS;
+ if (cfg->fc_nlinfo.nlh &&
+ !(cfg->fc_nlinfo.nlh->nlmsg_flags & NLM_F_CREATE)) {
+ table = fib6_get_table(net, cfg->fc_table);
+ if (!table) {
+ printk(KERN_WARNING "IPv6: NLM_F_CREATE should be specified when creating new route\n");
+ table = fib6_new_table(net, cfg->fc_table);
+ }
+ } else {
+ table = fib6_new_table(net, cfg->fc_table);
}
+ if (!table)
+ goto out;
+
rt = ip6_dst_alloc(&net->ipv6.ip6_dst_ops, NULL, DST_NOCOUNT);
- if (rt == NULL) {
+ if (!rt) {
err = -ENOMEM;
goto out;
}
rt->dst.obsolete = -1;
- rt->rt6i_expires = (cfg->fc_flags & RTF_EXPIRES) ?
+ rt->dst.expires = (cfg->fc_flags & RTF_EXPIRES) ?
jiffies + clock_t_to_jiffies(cfg->fc_expires) :
0;
@@ -1294,8 +1311,9 @@ int ip6_route_add(struct fib6_config *cfg)
they would result in kernel looping; promote them to reject routes
*/
if ((cfg->fc_flags & RTF_REJECT) ||
- (dev && (dev->flags&IFF_LOOPBACK) && !(addr_type&IPV6_ADDR_LOOPBACK)
- && !(cfg->fc_flags&RTF_LOCAL))) {
+ (dev && (dev->flags & IFF_LOOPBACK) &&
+ !(addr_type & IPV6_ADDR_LOOPBACK) &&
+ !(cfg->fc_flags & RTF_LOCAL))) {
/* hold loopback dev/idev if we haven't done so. */
if (dev != net->loopback_dev) {
if (dev) {
@@ -1322,7 +1340,7 @@ int ip6_route_add(struct fib6_config *cfg)
int gwa_type;
gw_addr = &cfg->fc_gateway;
- ipv6_addr_copy(&rt->rt6i_gateway, gw_addr);
+ rt->rt6i_gateway = *gw_addr;
gwa_type = ipv6_addr_type(gw_addr);
if (gwa_type != (IPV6_ADDR_LINKLOCAL|IPV6_ADDR_UNICAST)) {
@@ -1336,26 +1354,26 @@ int ip6_route_add(struct fib6_config *cfg)
some exceptions. --ANK
*/
err = -EINVAL;
- if (!(gwa_type&IPV6_ADDR_UNICAST))
+ if (!(gwa_type & IPV6_ADDR_UNICAST))
goto out;
grt = rt6_lookup(net, gw_addr, NULL, cfg->fc_ifindex, 1);
err = -EHOSTUNREACH;
- if (grt == NULL)
+ if (!grt)
goto out;
if (dev) {
- if (dev != grt->rt6i_dev) {
+ if (dev != grt->dst.dev) {
dst_release(&grt->dst);
goto out;
}
} else {
- dev = grt->rt6i_dev;
+ dev = grt->dst.dev;
idev = grt->rt6i_idev;
dev_hold(dev);
in6_dev_hold(grt->rt6i_idev);
}
- if (!(grt->rt6i_flags&RTF_GATEWAY))
+ if (!(grt->rt6i_flags & RTF_GATEWAY))
err = 0;
dst_release(&grt->dst);
@@ -1363,12 +1381,12 @@ int ip6_route_add(struct fib6_config *cfg)
goto out;
}
err = -EINVAL;
- if (dev == NULL || (dev->flags&IFF_LOOPBACK))
+ if (!dev || (dev->flags & IFF_LOOPBACK))
goto out;
}
err = -ENODEV;
- if (dev == NULL)
+ if (!dev)
goto out;
if (!ipv6_addr_any(&cfg->fc_prefsrc)) {
@@ -1376,18 +1394,15 @@ int ip6_route_add(struct fib6_config *cfg)
err = -EINVAL;
goto out;
}
- ipv6_addr_copy(&rt->rt6i_prefsrc.addr, &cfg->fc_prefsrc);
+ rt->rt6i_prefsrc.addr = cfg->fc_prefsrc;
rt->rt6i_prefsrc.plen = 128;
} else
rt->rt6i_prefsrc.plen = 0;
if (cfg->fc_flags & (RTF_GATEWAY | RTF_NONEXTHOP)) {
- struct neighbour *n = __neigh_lookup_errno(&nd_tbl, &rt->rt6i_gateway, dev);
- if (IS_ERR(n)) {
- err = PTR_ERR(n);
+ err = rt6_bind_neighbour(rt, dev);
+ if (err)
goto out;
- }
- dst_set_neighbour(&rt->dst, n);
}
rt->rt6i_flags = cfg->fc_flags;
@@ -1433,7 +1448,7 @@ static int __ip6_del_rt(struct rt6_info *rt, struct nl_info *info)
{
int err;
struct fib6_table *table;
- struct net *net = dev_net(rt->rt6i_dev);
+ struct net *net = dev_net(rt->dst.dev);
if (rt == net->ipv6.ip6_null_entry)
return -ENOENT;
@@ -1452,7 +1467,7 @@ static int __ip6_del_rt(struct rt6_info *rt, struct nl_info *info)
int ip6_del_rt(struct rt6_info *rt)
{
struct nl_info info = {
- .nl_net = dev_net(rt->rt6i_dev),
+ .nl_net = dev_net(rt->dst.dev),
};
return __ip6_del_rt(rt, &info);
}
@@ -1465,7 +1480,7 @@ static int ip6_route_del(struct fib6_config *cfg)
int err = -ESRCH;
table = fib6_get_table(cfg->fc_nlinfo.nl_net, cfg->fc_table);
- if (table == NULL)
+ if (!table)
return err;
read_lock_bh(&table->tb6_lock);
@@ -1477,8 +1492,8 @@ static int ip6_route_del(struct fib6_config *cfg)
if (fn) {
for (rt = fn->leaf; rt; rt = rt->dst.rt6_next) {
if (cfg->fc_ifindex &&
- (rt->rt6i_dev == NULL ||
- rt->rt6i_dev->ifindex != cfg->fc_ifindex))
+ (!rt->dst.dev ||
+ rt->dst.dev->ifindex != cfg->fc_ifindex))
continue;
if (cfg->fc_flags & RTF_GATEWAY &&
!ipv6_addr_equal(&cfg->fc_gateway, &rt->rt6i_gateway))
@@ -1540,7 +1555,7 @@ restart:
continue;
if (!(rt->rt6i_flags & RTF_GATEWAY))
continue;
- if (fl6->flowi6_oif != rt->rt6i_dev->ifindex)
+ if (fl6->flowi6_oif != rt->dst.dev->ifindex)
continue;
if (!ipv6_addr_equal(&rdfl->gateway, &rt->rt6i_gateway))
continue;
@@ -1573,7 +1588,7 @@ static struct rt6_info *ip6_route_redirect(const struct in6_addr *dest,
},
};
- ipv6_addr_copy(&rdfl.gateway, gateway);
+ rdfl.gateway = *gateway;
if (rt6_need_strict(dest))
flags |= RT6_LOOKUP_F_IFACE;
@@ -1618,18 +1633,18 @@ void rt6_redirect(const struct in6_addr *dest, const struct in6_addr *src,
dst_confirm(&rt->dst);
/* Duplicate redirect: silently ignore. */
- if (neigh == dst_get_neighbour_raw(&rt->dst))
+ if (neigh == dst_get_neighbour_noref_raw(&rt->dst))
goto out;
nrt = ip6_rt_copy(rt, dest);
- if (nrt == NULL)
+ if (!nrt)
goto out;
nrt->rt6i_flags = RTF_GATEWAY|RTF_UP|RTF_DYNAMIC|RTF_CACHE;
if (on_link)
nrt->rt6i_flags &= ~RTF_GATEWAY;
- ipv6_addr_copy(&nrt->rt6i_gateway, (struct in6_addr*)neigh->primary_key);
+ nrt->rt6i_gateway = *(struct in6_addr *)neigh->primary_key;
dst_set_neighbour(&nrt->dst, neigh_clone(neigh));
if (ip6_ins_rt(nrt))
@@ -1639,7 +1654,7 @@ void rt6_redirect(const struct in6_addr *dest, const struct in6_addr *src,
netevent.new = &nrt->dst;
call_netevent_notifiers(NETEVENT_REDIRECT, &netevent);
- if (rt->rt6i_flags&RTF_CACHE) {
+ if (rt->rt6i_flags & RTF_CACHE) {
ip6_del_rt(rt);
return;
}
@@ -1660,7 +1675,7 @@ static void rt6_do_pmtu_disc(const struct in6_addr *daddr, const struct in6_addr
int allfrag = 0;
again:
rt = rt6_lookup(net, daddr, saddr, ifindex, 0);
- if (rt == NULL)
+ if (!rt)
return;
if (rt6_check_expired(rt)) {
@@ -1710,7 +1725,7 @@ again:
1. It is connected route. Action: COW
2. It is gatewayed route or NONEXTHOP route. Action: clone it.
*/
- if (!dst_get_neighbour_raw(&rt->dst) && !(rt->rt6i_flags & RTF_NONEXTHOP))
+ if (!dst_get_neighbour_noref_raw(&rt->dst) && !(rt->rt6i_flags & RTF_NONEXTHOP))
nrt = rt6_alloc_cow(rt, daddr, saddr);
else
nrt = rt6_alloc_clone(rt, daddr);
@@ -1766,7 +1781,7 @@ void rt6_pmtu_discovery(const struct in6_addr *daddr, const struct in6_addr *sad
static struct rt6_info *ip6_rt_copy(const struct rt6_info *ort,
const struct in6_addr *dest)
{
- struct net *net = dev_net(ort->rt6i_dev);
+ struct net *net = dev_net(ort->dst.dev);
struct rt6_info *rt = ip6_dst_alloc(&net->ipv6.ip6_dst_ops,
ort->dst.dev, 0);
@@ -1775,7 +1790,7 @@ static struct rt6_info *ip6_rt_copy(const struct rt6_info *ort,
rt->dst.output = ort->dst.output;
rt->dst.flags |= DST_HOST;
- ipv6_addr_copy(&rt->rt6i_dst.addr, dest);
+ rt->rt6i_dst.addr = *dest;
rt->rt6i_dst.plen = 128;
dst_copy_metrics(&rt->dst, &ort->dst);
rt->dst.error = ort->dst.error;
@@ -1783,9 +1798,9 @@ static struct rt6_info *ip6_rt_copy(const struct rt6_info *ort,
if (rt->rt6i_idev)
in6_dev_hold(rt->rt6i_idev);
rt->dst.lastuse = jiffies;
- rt->rt6i_expires = 0;
+ rt->dst.expires = 0;
- ipv6_addr_copy(&rt->rt6i_gateway, &ort->rt6i_gateway);
+ rt->rt6i_gateway = ort->rt6i_gateway;
rt->rt6i_flags = ort->rt6i_flags & ~RTF_EXPIRES;
rt->rt6i_metric = 0;
@@ -1808,7 +1823,7 @@ static struct rt6_info *rt6_get_route_info(struct net *net,
struct fib6_table *table;
table = fib6_get_table(net, RT6_TABLE_INFO);
- if (table == NULL)
+ if (!table)
return NULL;
write_lock_bh(&table->tb6_lock);
@@ -1817,7 +1832,7 @@ static struct rt6_info *rt6_get_route_info(struct net *net,
goto out;
for (rt = fn->leaf; rt; rt = rt->dst.rt6_next) {
- if (rt->rt6i_dev->ifindex != ifindex)
+ if (rt->dst.dev->ifindex != ifindex)
continue;
if ((rt->rt6i_flags & (RTF_ROUTEINFO|RTF_GATEWAY)) != (RTF_ROUTEINFO|RTF_GATEWAY))
continue;
@@ -1848,8 +1863,8 @@ static struct rt6_info *rt6_add_route_info(struct net *net,
.fc_nlinfo.nl_net = net,
};
- ipv6_addr_copy(&cfg.fc_dst, prefix);
- ipv6_addr_copy(&cfg.fc_gateway, gwaddr);
+ cfg.fc_dst = *prefix;
+ cfg.fc_gateway = *gwaddr;
/* We should treat it as a default route if prefix length is 0. */
if (!prefixlen)
@@ -1867,12 +1882,12 @@ struct rt6_info *rt6_get_dflt_router(const struct in6_addr *addr, struct net_dev
struct fib6_table *table;
table = fib6_get_table(dev_net(dev), RT6_TABLE_DFLT);
- if (table == NULL)
+ if (!table)
return NULL;
write_lock_bh(&table->tb6_lock);
for (rt = table->tb6_root.leaf; rt; rt=rt->dst.rt6_next) {
- if (dev == rt->rt6i_dev &&
+ if (dev == rt->dst.dev &&
((rt->rt6i_flags & (RTF_ADDRCONF | RTF_DEFAULT)) == (RTF_ADDRCONF | RTF_DEFAULT)) &&
ipv6_addr_equal(&rt->rt6i_gateway, addr))
break;
@@ -1898,7 +1913,7 @@ struct rt6_info *rt6_add_dflt_router(const struct in6_addr *gwaddr,
.fc_nlinfo.nl_net = dev_net(dev),
};
- ipv6_addr_copy(&cfg.fc_gateway, gwaddr);
+ cfg.fc_gateway = *gwaddr;
ip6_route_add(&cfg);
@@ -1912,7 +1927,7 @@ void rt6_purge_dflt_routers(struct net *net)
/* NOTE: Keep consistent with rt6_get_dflt_router */
table = fib6_get_table(net, RT6_TABLE_DFLT);
- if (table == NULL)
+ if (!table)
return;
restart:
@@ -1944,9 +1959,9 @@ static void rtmsg_to_fib6_config(struct net *net,
cfg->fc_nlinfo.nl_net = net;
- ipv6_addr_copy(&cfg->fc_dst, &rtmsg->rtmsg_dst);
- ipv6_addr_copy(&cfg->fc_src, &rtmsg->rtmsg_src);
- ipv6_addr_copy(&cfg->fc_gateway, &rtmsg->rtmsg_gateway);
+ cfg->fc_dst = rtmsg->rtmsg_dst;
+ cfg->fc_src = rtmsg->rtmsg_src;
+ cfg->fc_gateway = rtmsg->rtmsg_gateway;
}
int ipv6_route_ioctl(struct net *net, unsigned int cmd, void __user *arg)
@@ -2045,14 +2060,14 @@ static int ip6_pkt_prohibit_out(struct sk_buff *skb)
struct rt6_info *addrconf_dst_alloc(struct inet6_dev *idev,
const struct in6_addr *addr,
- int anycast)
+ bool anycast)
{
struct net *net = dev_net(idev->dev);
struct rt6_info *rt = ip6_dst_alloc(&net->ipv6.ip6_dst_ops,
net->loopback_dev, 0);
- struct neighbour *neigh;
+ int err;
- if (rt == NULL) {
+ if (!rt) {
if (net_ratelimit())
pr_warning("IPv6: Maximum number of routes reached,"
" consider increasing route/max_size.\n");
@@ -2072,15 +2087,13 @@ struct rt6_info *addrconf_dst_alloc(struct inet6_dev *idev,
rt->rt6i_flags |= RTF_ANYCAST;
else
rt->rt6i_flags |= RTF_LOCAL;
- neigh = ndisc_get_neigh(rt->rt6i_dev, &rt->rt6i_gateway);
- if (IS_ERR(neigh)) {
+ err = rt6_bind_neighbour(rt, rt->dst.dev);
+ if (err) {
dst_free(&rt->dst);
-
- return ERR_CAST(neigh);
+ return ERR_PTR(err);
}
- dst_set_neighbour(&rt->dst, neigh);
- ipv6_addr_copy(&rt->rt6i_dst.addr, addr);
+ rt->rt6i_dst.addr = *addr;
rt->rt6i_dst.plen = 128;
rt->rt6i_table = fib6_get_table(net, RT6_TABLE_LOCAL);
@@ -2098,7 +2111,7 @@ int ip6_route_get_saddr(struct net *net,
struct inet6_dev *idev = ip6_dst_idev((struct dst_entry*)rt);
int err = 0;
if (rt->rt6i_prefsrc.plen)
- ipv6_addr_copy(saddr, &rt->rt6i_prefsrc.addr);
+ *saddr = rt->rt6i_prefsrc.addr;
else
err = ipv6_dev_get_saddr(net, idev ? idev->dev : NULL,
daddr, prefs, saddr);
@@ -2118,7 +2131,7 @@ static int fib6_remove_prefsrc(struct rt6_info *rt, void *arg)
struct net *net = ((struct arg_dev_net_ip *)arg)->net;
struct in6_addr *addr = ((struct arg_dev_net_ip *)arg)->addr;
- if (((void *)rt->rt6i_dev == dev || dev == NULL) &&
+ if (((void *)rt->dst.dev == dev || !dev) &&
rt != net->ipv6.ip6_null_entry &&
ipv6_addr_equal(addr, &rt->rt6i_prefsrc.addr)) {
/* remove prefsrc entry */
@@ -2148,11 +2161,10 @@ static int fib6_ifdown(struct rt6_info *rt, void *arg)
const struct arg_dev_net *adn = arg;
const struct net_device *dev = adn->dev;
- if ((rt->rt6i_dev == dev || dev == NULL) &&
- rt != adn->net->ipv6.ip6_null_entry) {
- RT6_TRACE("deleted by ifdown %p\n", rt);
+ if ((rt->dst.dev == dev || !dev) &&
+ rt != adn->net->ipv6.ip6_null_entry)
return -1;
- }
+
return 0;
}
@@ -2185,7 +2197,7 @@ static int rt6_mtu_change_route(struct rt6_info *rt, void *p_arg)
*/
idev = __in6_dev_get(arg->dev);
- if (idev == NULL)
+ if (!idev)
return 0;
/* For administrative MTU increase, there is no way to discover
@@ -2202,7 +2214,7 @@ static int rt6_mtu_change_route(struct rt6_info *rt, void *p_arg)
also have the lowest MTU, TOO BIG MESSAGE will be lead to
PMTU discouvery.
*/
- if (rt->rt6i_dev == arg->dev &&
+ if (rt->dst.dev == arg->dev &&
!dst_metric_locked(&rt->dst, RTAX_MTU) &&
(dst_mtu(&rt->dst) >= arg->mtu ||
(dst_mtu(&rt->dst) < arg->mtu &&
@@ -2351,11 +2363,13 @@ static int rt6_fill_node(struct net *net,
int iif, int type, u32 pid, u32 seq,
int prefix, int nowait, unsigned int flags)
{
+ const struct inet_peer *peer;
struct rtmsg *rtm;
struct nlmsghdr *nlh;
long expires;
u32 table;
struct neighbour *n;
+ u32 ts, tsage;
if (prefix) { /* user wants prefix routes only */
if (!(rt->rt6i_flags & RTF_PREFIX_RT)) {
@@ -2365,7 +2379,7 @@ static int rt6_fill_node(struct net *net,
}
nlh = nlmsg_put(skb, pid, seq, type, sizeof(*rtm), flags);
- if (nlh == NULL)
+ if (!nlh)
return -EMSGSIZE;
rtm = nlmsg_data(nlh);
@@ -2379,25 +2393,25 @@ static int rt6_fill_node(struct net *net,
table = RT6_TABLE_UNSPEC;
rtm->rtm_table = table;
NLA_PUT_U32(skb, RTA_TABLE, table);
- if (rt->rt6i_flags&RTF_REJECT)
+ if (rt->rt6i_flags & RTF_REJECT)
rtm->rtm_type = RTN_UNREACHABLE;
- else if (rt->rt6i_flags&RTF_LOCAL)
+ else if (rt->rt6i_flags & RTF_LOCAL)
rtm->rtm_type = RTN_LOCAL;
- else if (rt->rt6i_dev && (rt->rt6i_dev->flags&IFF_LOOPBACK))
+ else if (rt->dst.dev && (rt->dst.dev->flags & IFF_LOOPBACK))
rtm->rtm_type = RTN_LOCAL;
else
rtm->rtm_type = RTN_UNICAST;
rtm->rtm_flags = 0;
rtm->rtm_scope = RT_SCOPE_UNIVERSE;
rtm->rtm_protocol = rt->rt6i_protocol;
- if (rt->rt6i_flags&RTF_DYNAMIC)
+ if (rt->rt6i_flags & RTF_DYNAMIC)
rtm->rtm_protocol = RTPROT_REDIRECT;
else if (rt->rt6i_flags & RTF_ADDRCONF)
rtm->rtm_protocol = RTPROT_KERNEL;
- else if (rt->rt6i_flags&RTF_DEFAULT)
+ else if (rt->rt6i_flags & RTF_DEFAULT)
rtm->rtm_protocol = RTPROT_RA;
- if (rt->rt6i_flags&RTF_CACHE)
+ if (rt->rt6i_flags & RTF_CACHE)
rtm->rtm_flags |= RTM_F_CLONED;
if (dst) {
@@ -2437,7 +2451,7 @@ static int rt6_fill_node(struct net *net,
if (rt->rt6i_prefsrc.plen) {
struct in6_addr saddr_buf;
- ipv6_addr_copy(&saddr_buf, &rt->rt6i_prefsrc.addr);
+ saddr_buf = rt->rt6i_prefsrc.addr;
NLA_PUT(skb, RTA_PREFSRC, 16, &saddr_buf);
}
@@ -2445,24 +2459,31 @@ static int rt6_fill_node(struct net *net,
goto nla_put_failure;
rcu_read_lock();
- n = dst_get_neighbour(&rt->dst);
+ n = dst_get_neighbour_noref(&rt->dst);
if (n)
NLA_PUT(skb, RTA_GATEWAY, 16, &n->primary_key);
rcu_read_unlock();
if (rt->dst.dev)
- NLA_PUT_U32(skb, RTA_OIF, rt->rt6i_dev->ifindex);
+ NLA_PUT_U32(skb, RTA_OIF, rt->dst.dev->ifindex);
NLA_PUT_U32(skb, RTA_PRIORITY, rt->rt6i_metric);
if (!(rt->rt6i_flags & RTF_EXPIRES))
expires = 0;
- else if (rt->rt6i_expires - jiffies < INT_MAX)
- expires = rt->rt6i_expires - jiffies;
+ else if (rt->dst.expires - jiffies < INT_MAX)
+ expires = rt->dst.expires - jiffies;
else
expires = INT_MAX;
- if (rtnl_put_cacheinfo(skb, &rt->dst, 0, 0, 0,
+ peer = rt->rt6i_peer;
+ ts = tsage = 0;
+ if (peer && peer->tcp_ts_stamp) {
+ ts = peer->tcp_ts;
+ tsage = get_seconds() - peer->tcp_ts_stamp;
+ }
+
+ if (rtnl_put_cacheinfo(skb, &rt->dst, 0, ts, tsage,
expires, rt->dst.error) < 0)
goto nla_put_failure;
@@ -2511,14 +2532,14 @@ static int inet6_rtm_getroute(struct sk_buff *in_skb, struct nlmsghdr* nlh, void
if (nla_len(tb[RTA_SRC]) < sizeof(struct in6_addr))
goto errout;
- ipv6_addr_copy(&fl6.saddr, nla_data(tb[RTA_SRC]));
+ fl6.saddr = *(struct in6_addr *)nla_data(tb[RTA_SRC]);
}
if (tb[RTA_DST]) {
if (nla_len(tb[RTA_DST]) < sizeof(struct in6_addr))
goto errout;
- ipv6_addr_copy(&fl6.daddr, nla_data(tb[RTA_DST]));
+ fl6.daddr = *(struct in6_addr *)nla_data(tb[RTA_DST]);
}
if (tb[RTA_IIF])
@@ -2537,7 +2558,7 @@ static int inet6_rtm_getroute(struct sk_buff *in_skb, struct nlmsghdr* nlh, void
}
skb = alloc_skb(NLMSG_GOODSIZE, GFP_KERNEL);
- if (skb == NULL) {
+ if (!skb) {
err = -ENOBUFS;
goto errout;
}
@@ -2572,10 +2593,10 @@ void inet6_rt_notify(int event, struct rt6_info *rt, struct nl_info *info)
int err;
err = -ENOBUFS;
- seq = info->nlh != NULL ? info->nlh->nlmsg_seq : 0;
+ seq = info->nlh ? info->nlh->nlmsg_seq : 0;
skb = nlmsg_new(rt6_nlmsg_size(), gfp_any());
- if (skb == NULL)
+ if (!skb)
goto errout;
err = rt6_fill_node(net, skb, rt, NULL, NULL, 0,
@@ -2642,7 +2663,7 @@ static int rt6_info_route(struct rt6_info *rt, void *p_arg)
seq_puts(m, "00000000000000000000000000000000 00 ");
#endif
rcu_read_lock();
- n = dst_get_neighbour(&rt->dst);
+ n = dst_get_neighbour_noref(&rt->dst);
if (n) {
seq_printf(m, "%pi6", n->primary_key);
} else {
@@ -2652,14 +2673,14 @@ static int rt6_info_route(struct rt6_info *rt, void *p_arg)
seq_printf(m, " %08x %08x %08x %08x %8s\n",
rt->rt6i_metric, atomic_read(&rt->dst.__refcnt),
rt->dst.__use, rt->rt6i_flags,
- rt->rt6i_dev ? rt->rt6i_dev->name : "");
+ rt->dst.dev ? rt->dst.dev->name : "");
return 0;
}
static int ipv6_route_show(struct seq_file *m, void *v)
{
struct net *net = (struct net *)m->private;
- fib6_clean_all(net, rt6_info_route, 0, m);
+ fib6_clean_all_ro(net, rt6_info_route, 0, m);
return 0;
}
diff --git a/net/ipv6/sit.c b/net/ipv6/sit.c
index 96f3623618e3..3b6dac956bb0 100644
--- a/net/ipv6/sit.c
+++ b/net/ipv6/sit.c
@@ -91,7 +91,7 @@ struct pcpu_tstats {
unsigned long rx_bytes;
unsigned long tx_packets;
unsigned long tx_bytes;
-};
+} __attribute__((aligned(4*sizeof(unsigned long))));
static struct net_device_stats *ipip6_get_stats(struct net_device *dev)
{
@@ -682,7 +682,7 @@ static netdev_tx_t ipip6_tunnel_xmit(struct sk_buff *skb,
struct neighbour *neigh = NULL;
if (skb_dst(skb))
- neigh = dst_get_neighbour(skb_dst(skb));
+ neigh = dst_get_neighbour_noref(skb_dst(skb));
if (neigh == NULL) {
if (net_ratelimit())
@@ -707,7 +707,7 @@ static netdev_tx_t ipip6_tunnel_xmit(struct sk_buff *skb,
struct neighbour *neigh = NULL;
if (skb_dst(skb))
- neigh = dst_get_neighbour(skb_dst(skb));
+ neigh = dst_get_neighbour_noref(skb_dst(skb));
if (neigh == NULL) {
if (net_ratelimit())
@@ -916,7 +916,7 @@ ipip6_tunnel_ioctl (struct net_device *dev, struct ifreq *ifr, int cmd)
goto done;
#ifdef CONFIG_IPV6_SIT_6RD
} else {
- ipv6_addr_copy(&ip6rd.prefix, &t->ip6rd.prefix);
+ ip6rd.prefix = t->ip6rd.prefix;
ip6rd.relay_prefix = t->ip6rd.relay_prefix;
ip6rd.prefixlen = t->ip6rd.prefixlen;
ip6rd.relay_prefixlen = t->ip6rd.relay_prefixlen;
@@ -1084,7 +1084,7 @@ ipip6_tunnel_ioctl (struct net_device *dev, struct ifreq *ifr, int cmd)
if (relay_prefix != ip6rd.relay_prefix)
goto done;
- ipv6_addr_copy(&t->ip6rd.prefix, &prefix);
+ t->ip6rd.prefix = prefix;
t->ip6rd.relay_prefix = relay_prefix;
t->ip6rd.prefixlen = ip6rd.prefixlen;
t->ip6rd.relay_prefixlen = ip6rd.relay_prefixlen;
diff --git a/net/ipv6/syncookies.c b/net/ipv6/syncookies.c
index 5a0d6648bbbc..8e951d8d3b81 100644
--- a/net/ipv6/syncookies.c
+++ b/net/ipv6/syncookies.c
@@ -200,8 +200,8 @@ struct sock *cookie_v6_check(struct sock *sk, struct sk_buff *skb)
req->mss = mss;
ireq->rmt_port = th->source;
ireq->loc_port = th->dest;
- ipv6_addr_copy(&ireq6->rmt_addr, &ipv6_hdr(skb)->saddr);
- ipv6_addr_copy(&ireq6->loc_addr, &ipv6_hdr(skb)->daddr);
+ ireq6->rmt_addr = ipv6_hdr(skb)->saddr;
+ ireq6->loc_addr = ipv6_hdr(skb)->daddr;
if (ipv6_opt_accepted(sk, skb) ||
np->rxopt.bits.rxinfo || np->rxopt.bits.rxoinfo ||
np->rxopt.bits.rxhlim || np->rxopt.bits.rxohlim) {
@@ -237,9 +237,9 @@ struct sock *cookie_v6_check(struct sock *sk, struct sk_buff *skb)
struct flowi6 fl6;
memset(&fl6, 0, sizeof(fl6));
fl6.flowi6_proto = IPPROTO_TCP;
- ipv6_addr_copy(&fl6.daddr, &ireq6->rmt_addr);
+ fl6.daddr = ireq6->rmt_addr;
final_p = fl6_update_dst(&fl6, np->opt, &final);
- ipv6_addr_copy(&fl6.saddr, &ireq6->loc_addr);
+ fl6.saddr = ireq6->loc_addr;
fl6.flowi6_oif = sk->sk_bound_dev_if;
fl6.flowi6_mark = sk->sk_mark;
fl6.fl6_dport = inet_rsk(req)->rmt_port;
diff --git a/net/ipv6/tcp_ipv6.c b/net/ipv6/tcp_ipv6.c
index 2dea4bb7b54a..906c7ca43542 100644
--- a/net/ipv6/tcp_ipv6.c
+++ b/net/ipv6/tcp_ipv6.c
@@ -62,6 +62,7 @@
#include <net/netdma.h>
#include <net/inet_common.h>
#include <net/secure_seq.h>
+#include <net/tcp_memcontrol.h>
#include <asm/uaccess.h>
@@ -153,7 +154,7 @@ static int tcp_v6_connect(struct sock *sk, struct sockaddr *uaddr,
flowlabel = fl6_sock_lookup(sk, fl6.flowlabel);
if (flowlabel == NULL)
return -EINVAL;
- ipv6_addr_copy(&usin->sin6_addr, &flowlabel->dst);
+ usin->sin6_addr = flowlabel->dst;
fl6_sock_release(flowlabel);
}
}
@@ -195,7 +196,7 @@ static int tcp_v6_connect(struct sock *sk, struct sockaddr *uaddr,
tp->write_seq = 0;
}
- ipv6_addr_copy(&np->daddr, &usin->sin6_addr);
+ np->daddr = usin->sin6_addr;
np->flow_label = fl6.flowlabel;
/*
@@ -244,9 +245,8 @@ static int tcp_v6_connect(struct sock *sk, struct sockaddr *uaddr,
saddr = &np->rcv_saddr;
fl6.flowi6_proto = IPPROTO_TCP;
- ipv6_addr_copy(&fl6.daddr, &np->daddr);
- ipv6_addr_copy(&fl6.saddr,
- (saddr ? saddr : &np->saddr));
+ fl6.daddr = np->daddr;
+ fl6.saddr = saddr ? *saddr : np->saddr;
fl6.flowi6_oif = sk->sk_bound_dev_if;
fl6.flowi6_mark = sk->sk_mark;
fl6.fl6_dport = usin->sin6_port;
@@ -264,11 +264,11 @@ static int tcp_v6_connect(struct sock *sk, struct sockaddr *uaddr,
if (saddr == NULL) {
saddr = &fl6.saddr;
- ipv6_addr_copy(&np->rcv_saddr, saddr);
+ np->rcv_saddr = *saddr;
}
/* set the source address */
- ipv6_addr_copy(&np->saddr, saddr);
+ np->saddr = *saddr;
inet->inet_rcv_saddr = LOOPBACK4_IPV6;
sk->sk_gso_type = SKB_GSO_TCPV6;
@@ -398,8 +398,8 @@ static void tcp_v6_err(struct sk_buff *skb, struct inet6_skb_parm *opt,
*/
memset(&fl6, 0, sizeof(fl6));
fl6.flowi6_proto = IPPROTO_TCP;
- ipv6_addr_copy(&fl6.daddr, &np->daddr);
- ipv6_addr_copy(&fl6.saddr, &np->saddr);
+ fl6.daddr = np->daddr;
+ fl6.saddr = np->saddr;
fl6.flowi6_oif = sk->sk_bound_dev_if;
fl6.flowi6_mark = sk->sk_mark;
fl6.fl6_dport = inet->inet_dport;
@@ -489,8 +489,8 @@ static int tcp_v6_send_synack(struct sock *sk, struct request_sock *req,
memset(&fl6, 0, sizeof(fl6));
fl6.flowi6_proto = IPPROTO_TCP;
- ipv6_addr_copy(&fl6.daddr, &treq->rmt_addr);
- ipv6_addr_copy(&fl6.saddr, &treq->loc_addr);
+ fl6.daddr = treq->rmt_addr;
+ fl6.saddr = treq->loc_addr;
fl6.flowlabel = 0;
fl6.flowi6_oif = treq->iif;
fl6.flowi6_mark = sk->sk_mark;
@@ -512,7 +512,7 @@ static int tcp_v6_send_synack(struct sock *sk, struct request_sock *req,
if (skb) {
__tcp_v6_send_check(skb, &treq->loc_addr, &treq->rmt_addr);
- ipv6_addr_copy(&fl6.daddr, &treq->rmt_addr);
+ fl6.daddr = treq->rmt_addr;
err = ip6_xmit(sk, skb, &fl6, opt, np->tclass);
err = net_xmit_eval(err);
}
@@ -617,8 +617,7 @@ static int tcp_v6_md5_do_add(struct sock *sk, const struct in6_addr *peer,
tp->md5sig_info->alloced6++;
}
- ipv6_addr_copy(&tp->md5sig_info->keys6[tp->md5sig_info->entries6].addr,
- peer);
+ tp->md5sig_info->keys6[tp->md5sig_info->entries6].addr = *peer;
tp->md5sig_info->keys6[tp->md5sig_info->entries6].base.key = newkey;
tp->md5sig_info->keys6[tp->md5sig_info->entries6].base.keylen = newkeylen;
@@ -750,8 +749,8 @@ static int tcp_v6_md5_hash_pseudoheader(struct tcp_md5sig_pool *hp,
bp = &hp->md5_blk.ip6;
/* 1. TCP pseudo-header (RFC2460) */
- ipv6_addr_copy(&bp->saddr, saddr);
- ipv6_addr_copy(&bp->daddr, daddr);
+ bp->saddr = *saddr;
+ bp->daddr = *daddr;
bp->protocol = cpu_to_be32(IPPROTO_TCP);
bp->len = cpu_to_be32(nbytes);
@@ -1039,8 +1038,8 @@ static void tcp_v6_send_response(struct sk_buff *skb, u32 seq, u32 ack, u32 win,
#endif
memset(&fl6, 0, sizeof(fl6));
- ipv6_addr_copy(&fl6.daddr, &ipv6_hdr(skb)->saddr);
- ipv6_addr_copy(&fl6.saddr, &ipv6_hdr(skb)->daddr);
+ fl6.daddr = ipv6_hdr(skb)->saddr;
+ fl6.saddr = ipv6_hdr(skb)->daddr;
buff->ip_summed = CHECKSUM_PARTIAL;
buff->csum = 0;
@@ -1250,8 +1249,8 @@ static int tcp_v6_conn_request(struct sock *sk, struct sk_buff *skb)
tcp_openreq_init(req, &tmp_opt, skb);
treq = inet6_rsk(req);
- ipv6_addr_copy(&treq->rmt_addr, &ipv6_hdr(skb)->saddr);
- ipv6_addr_copy(&treq->loc_addr, &ipv6_hdr(skb)->daddr);
+ treq->rmt_addr = ipv6_hdr(skb)->saddr;
+ treq->loc_addr = ipv6_hdr(skb)->daddr;
if (!want_cookie || tmp_opt.tstamp_ok)
TCP_ECN_create_request(req, tcp_hdr(skb));
@@ -1381,7 +1380,7 @@ static struct sock * tcp_v6_syn_recv_sock(struct sock *sk, struct sk_buff *skb,
ipv6_addr_set_v4mapped(newinet->inet_saddr, &newnp->saddr);
- ipv6_addr_copy(&newnp->rcv_saddr, &newnp->saddr);
+ newnp->rcv_saddr = newnp->saddr;
inet_csk(newsk)->icsk_af_ops = &ipv6_mapped;
newsk->sk_backlog_rcv = tcp_v4_do_rcv;
@@ -1445,9 +1444,9 @@ static struct sock * tcp_v6_syn_recv_sock(struct sock *sk, struct sk_buff *skb,
memcpy(newnp, np, sizeof(struct ipv6_pinfo));
- ipv6_addr_copy(&newnp->daddr, &treq->rmt_addr);
- ipv6_addr_copy(&newnp->saddr, &treq->loc_addr);
- ipv6_addr_copy(&newnp->rcv_saddr, &treq->loc_addr);
+ newnp->daddr = treq->rmt_addr;
+ newnp->saddr = treq->loc_addr;
+ newnp->rcv_saddr = treq->loc_addr;
newsk->sk_bound_dev_if = treq->iif;
/* Now IPv6 options...
@@ -1996,7 +1995,8 @@ static int tcp_v6_init_sock(struct sock *sk)
sk->sk_rcvbuf = sysctl_tcp_rmem[1];
local_bh_disable();
- percpu_counter_inc(&tcp_sockets_allocated);
+ sock_update_memcg(sk);
+ sk_sockets_allocated_inc(sk);
local_bh_enable();
return 0;
@@ -2215,7 +2215,6 @@ struct proto tcpv6_prot = {
.memory_allocated = &tcp_memory_allocated,
.memory_pressure = &tcp_memory_pressure,
.orphan_count = &tcp_orphan_count,
- .sysctl_mem = sysctl_tcp_mem,
.sysctl_wmem = sysctl_tcp_wmem,
.sysctl_rmem = sysctl_tcp_rmem,
.max_header = MAX_TCP_HEADER,
@@ -2229,6 +2228,9 @@ struct proto tcpv6_prot = {
.compat_setsockopt = compat_tcp_setsockopt,
.compat_getsockopt = compat_tcp_getsockopt,
#endif
+#ifdef CONFIG_CGROUP_MEM_RES_CTLR_KMEM
+ .proto_cgroup = tcp_proto_cgroup,
+#endif
};
static const struct inet6_protocol tcpv6_protocol = {
diff --git a/net/ipv6/udp.c b/net/ipv6/udp.c
index 8c2541915183..4f96b5c63685 100644
--- a/net/ipv6/udp.c
+++ b/net/ipv6/udp.c
@@ -238,7 +238,7 @@ exact_match:
return result;
}
-static struct sock *__udp6_lib_lookup(struct net *net,
+struct sock *__udp6_lib_lookup(struct net *net,
const struct in6_addr *saddr, __be16 sport,
const struct in6_addr *daddr, __be16 dport,
int dif, struct udp_table *udptable)
@@ -305,6 +305,7 @@ begin:
rcu_read_unlock();
return result;
}
+EXPORT_SYMBOL_GPL(__udp6_lib_lookup);
static struct sock *__udp6_lib_lookup_skb(struct sk_buff *skb,
__be16 sport, __be16 dport,
@@ -418,8 +419,7 @@ try_again:
ipv6_addr_set_v4mapped(ip_hdr(skb)->saddr,
&sin6->sin6_addr);
else {
- ipv6_addr_copy(&sin6->sin6_addr,
- &ipv6_hdr(skb)->saddr);
+ sin6->sin6_addr = ipv6_hdr(skb)->saddr;
if (ipv6_addr_type(&sin6->sin6_addr) & IPV6_ADDR_LINKLOCAL)
sin6->sin6_scope_id = IP6CB(skb)->iif;
}
@@ -539,7 +539,9 @@ int udpv6_queue_rcv_skb(struct sock * sk, struct sk_buff *skb)
goto drop;
}
- if ((rc = ip_queue_rcv_skb(sk, skb)) < 0) {
+ skb_dst_drop(skb);
+ rc = sock_queue_rcv_skb(sk, skb);
+ if (rc < 0) {
/* Note that an ENOMEM error is charged twice */
if (rc == -ENOMEM)
UDP6_INC_STATS_BH(sock_net(sk),
@@ -1114,11 +1116,11 @@ do_udp_sendmsg:
fl6.flowi6_proto = sk->sk_protocol;
if (!ipv6_addr_any(daddr))
- ipv6_addr_copy(&fl6.daddr, daddr);
+ fl6.daddr = *daddr;
else
fl6.daddr.s6_addr[15] = 0x1; /* :: means loopback (BSD'ism) */
if (ipv6_addr_any(&fl6.saddr) && !ipv6_addr_any(&np->saddr))
- ipv6_addr_copy(&fl6.saddr, &np->saddr);
+ fl6.saddr = np->saddr;
fl6.fl6_sport = inet->inet_sport;
final_p = fl6_update_dst(&fl6, opt, &final);
@@ -1299,7 +1301,8 @@ static int udp6_ufo_send_check(struct sk_buff *skb)
return 0;
}
-static struct sk_buff *udp6_ufo_fragment(struct sk_buff *skb, u32 features)
+static struct sk_buff *udp6_ufo_fragment(struct sk_buff *skb,
+ netdev_features_t features)
{
struct sk_buff *segs = ERR_PTR(-EINVAL);
unsigned int mss;
diff --git a/net/ipv6/xfrm6_mode_beet.c b/net/ipv6/xfrm6_mode_beet.c
index 3437d7d4eed6..a81ce9450750 100644
--- a/net/ipv6/xfrm6_mode_beet.c
+++ b/net/ipv6/xfrm6_mode_beet.c
@@ -72,8 +72,8 @@ static int xfrm6_beet_output(struct xfrm_state *x, struct sk_buff *skb)
top_iph->nexthdr = IPPROTO_BEETPH;
}
- ipv6_addr_copy(&top_iph->saddr, (struct in6_addr *)&x->props.saddr);
- ipv6_addr_copy(&top_iph->daddr, (struct in6_addr *)&x->id.daddr);
+ top_iph->saddr = *(struct in6_addr *)&x->props.saddr;
+ top_iph->daddr = *(struct in6_addr *)&x->id.daddr;
return 0;
}
@@ -99,8 +99,8 @@ static int xfrm6_beet_input(struct xfrm_state *x, struct sk_buff *skb)
ip6h = ipv6_hdr(skb);
ip6h->payload_len = htons(skb->len - size);
- ipv6_addr_copy(&ip6h->daddr, (struct in6_addr *) &x->sel.daddr.a6);
- ipv6_addr_copy(&ip6h->saddr, (struct in6_addr *) &x->sel.saddr.a6);
+ ip6h->daddr = *(struct in6_addr *)&x->sel.daddr.a6;
+ ip6h->saddr = *(struct in6_addr *)&x->sel.saddr.a6;
err = 0;
out:
return err;
diff --git a/net/ipv6/xfrm6_mode_tunnel.c b/net/ipv6/xfrm6_mode_tunnel.c
index 4d6edff0498f..261e6e6f487e 100644
--- a/net/ipv6/xfrm6_mode_tunnel.c
+++ b/net/ipv6/xfrm6_mode_tunnel.c
@@ -55,8 +55,8 @@ static int xfrm6_mode_tunnel_output(struct xfrm_state *x, struct sk_buff *skb)
dsfield &= ~INET_ECN_MASK;
ipv6_change_dsfield(top_iph, 0, dsfield);
top_iph->hop_limit = ip6_dst_hoplimit(dst->child);
- ipv6_addr_copy(&top_iph->saddr, (const struct in6_addr *)&x->props.saddr);
- ipv6_addr_copy(&top_iph->daddr, (const struct in6_addr *)&x->id.daddr);
+ top_iph->saddr = *(struct in6_addr *)&x->props.saddr;
+ top_iph->daddr = *(struct in6_addr *)&x->id.daddr;
return 0;
}
diff --git a/net/ipv6/xfrm6_output.c b/net/ipv6/xfrm6_output.c
index faae41737fca..4eeff89c1aaa 100644
--- a/net/ipv6/xfrm6_output.c
+++ b/net/ipv6/xfrm6_output.c
@@ -49,7 +49,7 @@ static void xfrm6_local_rxpmtu(struct sk_buff *skb, u32 mtu)
struct sock *sk = skb->sk;
fl6.flowi6_oif = sk->sk_bound_dev_if;
- ipv6_addr_copy(&fl6.daddr, &ipv6_hdr(skb)->daddr);
+ fl6.daddr = ipv6_hdr(skb)->daddr;
ipv6_local_rxpmtu(sk, &fl6, mtu);
}
@@ -60,7 +60,7 @@ static void xfrm6_local_error(struct sk_buff *skb, u32 mtu)
struct sock *sk = skb->sk;
fl6.fl6_dport = inet_sk(sk)->inet_dport;
- ipv6_addr_copy(&fl6.daddr, &ipv6_hdr(skb)->daddr);
+ fl6.daddr = ipv6_hdr(skb)->daddr;
ipv6_local_error(sk, EMSGSIZE, &fl6, mtu);
}
diff --git a/net/ipv6/xfrm6_policy.c b/net/ipv6/xfrm6_policy.c
index d879f7efbd10..8ea65e032733 100644
--- a/net/ipv6/xfrm6_policy.c
+++ b/net/ipv6/xfrm6_policy.c
@@ -132,8 +132,8 @@ _decode_session6(struct sk_buff *skb, struct flowi *fl, int reverse)
memset(fl6, 0, sizeof(struct flowi6));
fl6->flowi6_mark = skb->mark;
- ipv6_addr_copy(&fl6->daddr, reverse ? &hdr->saddr : &hdr->daddr);
- ipv6_addr_copy(&fl6->saddr, reverse ? &hdr->daddr : &hdr->saddr);
+ fl6->daddr = reverse ? hdr->saddr : hdr->daddr;
+ fl6->saddr = reverse ? hdr->daddr : hdr->saddr;
while (nh + offset + 1 < skb->data ||
pskb_may_pull(skb, nh + offset + 1 - skb->data)) {
diff --git a/net/ipv6/xfrm6_state.c b/net/ipv6/xfrm6_state.c
index f2d72b8a3faa..3f2f7c4ab721 100644
--- a/net/ipv6/xfrm6_state.c
+++ b/net/ipv6/xfrm6_state.c
@@ -27,8 +27,8 @@ __xfrm6_init_tempsel(struct xfrm_selector *sel, const struct flowi *fl)
/* Initialize temporary selector matching only
* to current session. */
- ipv6_addr_copy((struct in6_addr *)&sel->daddr, &fl6->daddr);
- ipv6_addr_copy((struct in6_addr *)&sel->saddr, &fl6->saddr);
+ *(struct in6_addr *)&sel->daddr = fl6->daddr;
+ *(struct in6_addr *)&sel->saddr = fl6->saddr;
sel->dport = xfrm_flowi_dport(fl, &fl6->uli);
sel->dport_mask = htons(0xffff);
sel->sport = xfrm_flowi_sport(fl, &fl6->uli);