diff options
Diffstat (limited to 'net/ipv6')
-rw-r--r-- | net/ipv6/addrconf.c | 3 | ||||
-rw-r--r-- | net/ipv6/af_inet6.c | 1 | ||||
-rw-r--r-- | net/ipv6/exthdrs_core.c | 2 | ||||
-rw-r--r-- | net/ipv6/icmp.c | 15 | ||||
-rw-r--r-- | net/ipv6/ip6_fib.c | 16 | ||||
-rw-r--r-- | net/ipv6/ip6_gre.c | 17 | ||||
-rw-r--r-- | net/ipv6/ip6_input.c | 14 | ||||
-rw-r--r-- | net/ipv6/ip6_output.c | 7 | ||||
-rw-r--r-- | net/ipv6/ipv6_sockglue.c | 1 | ||||
-rw-r--r-- | net/ipv6/netfilter/ip6_tables.c | 68 | ||||
-rw-r--r-- | net/ipv6/raw.c | 18 | ||||
-rw-r--r-- | net/ipv6/route.c | 31 | ||||
-rw-r--r-- | net/ipv6/rpl.c | 3 | ||||
-rw-r--r-- | net/ipv6/sit.c | 10 | ||||
-rw-r--r-- | net/ipv6/tcp_ipv6.c | 4 | ||||
-rw-r--r-- | net/ipv6/udp.c | 10 | ||||
-rw-r--r-- | net/ipv6/udplite.c | 2 | ||||
-rw-r--r-- | net/ipv6/xfrm6_policy.c | 4 |
18 files changed, 94 insertions, 132 deletions
diff --git a/net/ipv6/addrconf.c b/net/ipv6/addrconf.c index 31e0097878c5..3797917237d0 100644 --- a/net/ipv6/addrconf.c +++ b/net/ipv6/addrconf.c @@ -4223,7 +4223,8 @@ static void addrconf_dad_completed(struct inet6_ifaddr *ifp, bool bump_id, ipv6_accept_ra(ifp->idev) && ifp->idev->cnf.rtr_solicits != 0 && (dev->flags & IFF_LOOPBACK) == 0 && - (dev->type != ARPHRD_TUNNEL); + (dev->type != ARPHRD_TUNNEL) && + !netif_is_team_port(dev); read_unlock_bh(&ifp->idev->lock); /* While dad is in progress mld report's source address is in6_addrany. diff --git a/net/ipv6/af_inet6.c b/net/ipv6/af_inet6.c index e1b679a590c9..2bbf13216a3d 100644 --- a/net/ipv6/af_inet6.c +++ b/net/ipv6/af_inet6.c @@ -952,6 +952,7 @@ static int __net_init inet6_net_init(struct net *net) net->ipv6.sysctl.icmpv6_echo_ignore_all = 0; net->ipv6.sysctl.icmpv6_echo_ignore_multicast = 0; net->ipv6.sysctl.icmpv6_echo_ignore_anycast = 0; + net->ipv6.sysctl.icmpv6_error_anycast_as_unicast = 0; /* By default, rate limit error messages. * Except for pmtu discovery, it would break it. diff --git a/net/ipv6/exthdrs_core.c b/net/ipv6/exthdrs_core.c index da46c4284676..49e31e4ae7b7 100644 --- a/net/ipv6/exthdrs_core.c +++ b/net/ipv6/exthdrs_core.c @@ -143,6 +143,8 @@ int ipv6_find_tlv(const struct sk_buff *skb, int offset, int type) optlen = 1; break; default: + if (len < 2) + goto bad; optlen = nh[offset + 1] + 2; if (optlen > len) goto bad; diff --git a/net/ipv6/icmp.c b/net/ipv6/icmp.c index 1f53f2a74480..9edf1f45b1ed 100644 --- a/net/ipv6/icmp.c +++ b/net/ipv6/icmp.c @@ -362,9 +362,10 @@ static struct dst_entry *icmpv6_route_lookup(struct net *net, /* * We won't send icmp if the destination is known - * anycast. + * anycast unless we need to treat anycast as unicast. */ - if (ipv6_anycast_destination(dst, &fl6->daddr)) { + if (!READ_ONCE(net->ipv6.sysctl.icmpv6_error_anycast_as_unicast) && + ipv6_anycast_destination(dst, &fl6->daddr)) { net_dbg_ratelimited("icmp6_send: acast source\n"); dst_release(dst); return ERR_PTR(-EINVAL); @@ -1195,6 +1196,15 @@ static struct ctl_table ipv6_icmp_table_template[] = { .mode = 0644, .proc_handler = proc_do_large_bitmap, }, + { + .procname = "error_anycast_as_unicast", + .data = &init_net.ipv6.sysctl.icmpv6_error_anycast_as_unicast, + .maxlen = sizeof(u8), + .mode = 0644, + .proc_handler = proc_dou8vec_minmax, + .extra1 = SYSCTL_ZERO, + .extra2 = SYSCTL_ONE, + }, { }, }; @@ -1212,6 +1222,7 @@ struct ctl_table * __net_init ipv6_icmp_sysctl_init(struct net *net) table[2].data = &net->ipv6.sysctl.icmpv6_echo_ignore_multicast; table[3].data = &net->ipv6.sysctl.icmpv6_echo_ignore_anycast; table[4].data = &net->ipv6.sysctl.icmpv6_ratemask_ptr; + table[5].data = &net->ipv6.sysctl.icmpv6_error_anycast_as_unicast; } return table; } diff --git a/net/ipv6/ip6_fib.c b/net/ipv6/ip6_fib.c index 2438da5ff6da..bac768d36cc1 100644 --- a/net/ipv6/ip6_fib.c +++ b/net/ipv6/ip6_fib.c @@ -2491,7 +2491,7 @@ static int ipv6_route_native_seq_show(struct seq_file *seq, void *v) const struct net_device *dev; if (rt->nh) - fib6_nh = nexthop_fib6_nh_bh(rt->nh); + fib6_nh = nexthop_fib6_nh(rt->nh); seq_printf(seq, "%pi6 %02x ", &rt->fib6_dst.addr, rt->fib6_dst.plen); @@ -2556,14 +2556,14 @@ static struct fib6_table *ipv6_route_seq_next_table(struct fib6_table *tbl, if (tbl) { h = (tbl->tb6_id & (FIB6_TABLE_HASHSZ - 1)) + 1; - node = rcu_dereference_bh(hlist_next_rcu(&tbl->tb6_hlist)); + node = rcu_dereference(hlist_next_rcu(&tbl->tb6_hlist)); } else { h = 0; node = NULL; } while (!node && h < FIB6_TABLE_HASHSZ) { - node = rcu_dereference_bh( + node = rcu_dereference( hlist_first_rcu(&net->ipv6.fib_table_hash[h++])); } return hlist_entry_safe(node, struct fib6_table, tb6_hlist); @@ -2593,7 +2593,7 @@ static void *ipv6_route_seq_next(struct seq_file *seq, void *v, loff_t *pos) if (!v) goto iter_table; - n = rcu_dereference_bh(((struct fib6_info *)v)->fib6_next); + n = rcu_dereference(((struct fib6_info *)v)->fib6_next); if (n) return n; @@ -2619,12 +2619,12 @@ iter_table: } static void *ipv6_route_seq_start(struct seq_file *seq, loff_t *pos) - __acquires(RCU_BH) + __acquires(RCU) { struct net *net = seq_file_net(seq); struct ipv6_route_iter *iter = seq->private; - rcu_read_lock_bh(); + rcu_read_lock(); iter->tbl = ipv6_route_seq_next_table(NULL, net); iter->skip = *pos; @@ -2645,7 +2645,7 @@ static bool ipv6_route_iter_active(struct ipv6_route_iter *iter) } static void ipv6_route_native_seq_stop(struct seq_file *seq, void *v) - __releases(RCU_BH) + __releases(RCU) { struct net *net = seq_file_net(seq); struct ipv6_route_iter *iter = seq->private; @@ -2653,7 +2653,7 @@ static void ipv6_route_native_seq_stop(struct seq_file *seq, void *v) if (ipv6_route_iter_active(iter)) fib6_walker_unlink(net, &iter->w); - rcu_read_unlock_bh(); + rcu_read_unlock(); } #if IS_BUILTIN(CONFIG_IPV6) && defined(CONFIG_BPF_SYSCALL) diff --git a/net/ipv6/ip6_gre.c b/net/ipv6/ip6_gre.c index 89f5f0f3f5d6..da80974ad23a 100644 --- a/net/ipv6/ip6_gre.c +++ b/net/ipv6/ip6_gre.c @@ -959,7 +959,7 @@ static netdev_tx_t ip6erspan_tunnel_xmit(struct sk_buff *skb, truncate = true; } - nhoff = skb_network_header(skb) - skb_mac_header(skb); + nhoff = skb_network_offset(skb); if (skb->protocol == htons(ETH_P_IP) && (ntohs(ip_hdr(skb)->tot_len) > skb->len - nhoff)) truncate = true; @@ -968,7 +968,7 @@ static netdev_tx_t ip6erspan_tunnel_xmit(struct sk_buff *skb, int thoff; if (skb_transport_header_was_set(skb)) - thoff = skb_transport_header(skb) - skb_mac_header(skb); + thoff = skb_transport_offset(skb); else thoff = nhoff + sizeof(struct ipv6hdr); if (ntohs(ipv6_hdr(skb)->payload_len) > skb->len - thoff) @@ -1015,12 +1015,14 @@ static netdev_tx_t ip6erspan_tunnel_xmit(struct sk_buff *skb, ntohl(tun_id), ntohl(md->u.index), truncate, false); + proto = htons(ETH_P_ERSPAN); } else if (md->version == 2) { erspan_build_header_v2(skb, ntohl(tun_id), md->u.md2.dir, get_hwid(&md->u.md2), truncate, false); + proto = htons(ETH_P_ERSPAN2); } else { goto tx_err; } @@ -1043,24 +1045,25 @@ static netdev_tx_t ip6erspan_tunnel_xmit(struct sk_buff *skb, break; } - if (t->parms.erspan_ver == 1) + if (t->parms.erspan_ver == 1) { erspan_build_header(skb, ntohl(t->parms.o_key), t->parms.index, truncate, false); - else if (t->parms.erspan_ver == 2) + proto = htons(ETH_P_ERSPAN); + } else if (t->parms.erspan_ver == 2) { erspan_build_header_v2(skb, ntohl(t->parms.o_key), t->parms.dir, t->parms.hwid, truncate, false); - else + proto = htons(ETH_P_ERSPAN2); + } else { goto tx_err; + } fl6.daddr = t->parms.raddr; } /* Push GRE header. */ - proto = (t->parms.erspan_ver == 1) ? htons(ETH_P_ERSPAN) - : htons(ETH_P_ERSPAN2); gre_build_header(skb, 8, TUNNEL_SEQ, proto, 0, htonl(atomic_fetch_inc(&t->o_seqno))); /* TooBig packet may have updated dst->dev's mtu */ diff --git a/net/ipv6/ip6_input.c b/net/ipv6/ip6_input.c index e1ebf5e42ebe..d94041bb4287 100644 --- a/net/ipv6/ip6_input.c +++ b/net/ipv6/ip6_input.c @@ -404,10 +404,6 @@ resubmit_final: /* Only do this once for first final protocol */ have_final = true; - /* Free reference early: we don't need it any more, - and it may hold ip_conntrack module loaded - indefinitely. */ - nf_reset_ct(skb); skb_postpull_rcsum(skb, skb_network_header(skb), skb_network_header_len(skb)); @@ -430,10 +426,12 @@ resubmit_final: goto discard; } } - if (!(ipprot->flags & INET6_PROTO_NOPOLICY) && - !xfrm6_policy_check(NULL, XFRM_POLICY_IN, skb)) { - SKB_DR_SET(reason, XFRM_POLICY); - goto discard; + if (!(ipprot->flags & INET6_PROTO_NOPOLICY)) { + if (!xfrm6_policy_check(NULL, XFRM_POLICY_IN, skb)) { + SKB_DR_SET(reason, XFRM_POLICY); + goto discard; + } + nf_reset_ct(skb); } ret = INDIRECT_CALL_2(ipprot->handler, tcp_v6_rcv, udpv6_rcv, diff --git a/net/ipv6/ip6_output.c b/net/ipv6/ip6_output.c index 0b6140f0179d..9554cf46ed88 100644 --- a/net/ipv6/ip6_output.c +++ b/net/ipv6/ip6_output.c @@ -1965,8 +1965,13 @@ struct sk_buff *__ip6_make_skb(struct sock *sk, IP6_UPD_PO_STATS(net, rt->rt6i_idev, IPSTATS_MIB_OUT, skb->len); if (proto == IPPROTO_ICMPV6) { struct inet6_dev *idev = ip6_dst_idev(skb_dst(skb)); + u8 icmp6_type; - ICMP6MSGOUT_INC_STATS(net, idev, icmp6_hdr(skb)->icmp6_type); + if (sk->sk_socket->type == SOCK_RAW && !inet_sk(sk)->hdrincl) + icmp6_type = fl6->fl6_icmp_type; + else + icmp6_type = icmp6_hdr(skb)->icmp6_type; + ICMP6MSGOUT_INC_STATS(net, idev, icmp6_type); ICMP6_INC_STATS(net, idev, ICMP6_MIB_OUTMSGS); } diff --git a/net/ipv6/ipv6_sockglue.c b/net/ipv6/ipv6_sockglue.c index 2917dd8d198c..ae818ff46224 100644 --- a/net/ipv6/ipv6_sockglue.c +++ b/net/ipv6/ipv6_sockglue.c @@ -716,6 +716,7 @@ int do_ipv6_setsockopt(struct sock *sk, int level, int optname, goto done; msg.msg_controllen = optlen; + msg.msg_control_is_user = false; msg.msg_control = (void *)(opt+1); ipc6.opt = opt; diff --git a/net/ipv6/netfilter/ip6_tables.c b/net/ipv6/netfilter/ip6_tables.c index 0ce0ed17c758..fd9f049d6d41 100644 --- a/net/ipv6/netfilter/ip6_tables.c +++ b/net/ipv6/netfilter/ip6_tables.c @@ -18,7 +18,6 @@ #include <linux/netdevice.h> #include <linux/module.h> #include <linux/poison.h> -#include <linux/icmpv6.h> #include <net/ipv6.h> #include <net/compat.h> #include <linux/uaccess.h> @@ -35,7 +34,6 @@ MODULE_LICENSE("GPL"); MODULE_AUTHOR("Netfilter Core Team <coreteam@netfilter.org>"); MODULE_DESCRIPTION("IPv6 packet filter"); -MODULE_ALIAS("ip6t_icmp6"); void *ip6t_alloc_initial_table(const struct xt_table *info) { @@ -1805,52 +1803,6 @@ void ip6t_unregister_table_exit(struct net *net, const char *name) __ip6t_unregister_table(net, table); } -/* Returns 1 if the type and code is matched by the range, 0 otherwise */ -static inline bool -icmp6_type_code_match(u_int8_t test_type, u_int8_t min_code, u_int8_t max_code, - u_int8_t type, u_int8_t code, - bool invert) -{ - return (type == test_type && code >= min_code && code <= max_code) - ^ invert; -} - -static bool -icmp6_match(const struct sk_buff *skb, struct xt_action_param *par) -{ - const struct icmp6hdr *ic; - struct icmp6hdr _icmph; - const struct ip6t_icmp *icmpinfo = par->matchinfo; - - /* Must not be a fragment. */ - if (par->fragoff != 0) - return false; - - ic = skb_header_pointer(skb, par->thoff, sizeof(_icmph), &_icmph); - if (ic == NULL) { - /* We've been asked to examine this packet, and we - * can't. Hence, no choice but to drop. - */ - par->hotdrop = true; - return false; - } - - return icmp6_type_code_match(icmpinfo->type, - icmpinfo->code[0], - icmpinfo->code[1], - ic->icmp6_type, ic->icmp6_code, - !!(icmpinfo->invflags&IP6T_ICMP_INV)); -} - -/* Called when user tries to insert an entry of this type. */ -static int icmp6_checkentry(const struct xt_mtchk_param *par) -{ - const struct ip6t_icmp *icmpinfo = par->matchinfo; - - /* Must specify no unknown invflags */ - return (icmpinfo->invflags & ~IP6T_ICMP_INV) ? -EINVAL : 0; -} - /* The built-in targets: standard (NULL) and error. */ static struct xt_target ip6t_builtin_tg[] __read_mostly = { { @@ -1882,18 +1834,6 @@ static struct nf_sockopt_ops ip6t_sockopts = { .owner = THIS_MODULE, }; -static struct xt_match ip6t_builtin_mt[] __read_mostly = { - { - .name = "icmp6", - .match = icmp6_match, - .matchsize = sizeof(struct ip6t_icmp), - .checkentry = icmp6_checkentry, - .proto = IPPROTO_ICMPV6, - .family = NFPROTO_IPV6, - .me = THIS_MODULE, - }, -}; - static int __net_init ip6_tables_net_init(struct net *net) { return xt_proto_init(net, NFPROTO_IPV6); @@ -1921,19 +1861,14 @@ static int __init ip6_tables_init(void) ret = xt_register_targets(ip6t_builtin_tg, ARRAY_SIZE(ip6t_builtin_tg)); if (ret < 0) goto err2; - ret = xt_register_matches(ip6t_builtin_mt, ARRAY_SIZE(ip6t_builtin_mt)); - if (ret < 0) - goto err4; /* Register setsockopt */ ret = nf_register_sockopt(&ip6t_sockopts); if (ret < 0) - goto err5; + goto err4; return 0; -err5: - xt_unregister_matches(ip6t_builtin_mt, ARRAY_SIZE(ip6t_builtin_mt)); err4: xt_unregister_targets(ip6t_builtin_tg, ARRAY_SIZE(ip6t_builtin_tg)); err2: @@ -1946,7 +1881,6 @@ static void __exit ip6_tables_fini(void) { nf_unregister_sockopt(&ip6t_sockopts); - xt_unregister_matches(ip6t_builtin_mt, ARRAY_SIZE(ip6t_builtin_mt)); xt_unregister_targets(ip6t_builtin_tg, ARRAY_SIZE(ip6t_builtin_tg)); unregister_pernet_subsys(&ip6_tables_net_ops); } diff --git a/net/ipv6/raw.c b/net/ipv6/raw.c index 6ac2f2690c44..44ee7a2e72ac 100644 --- a/net/ipv6/raw.c +++ b/net/ipv6/raw.c @@ -141,10 +141,9 @@ EXPORT_SYMBOL(rawv6_mh_filter_unregister); static bool ipv6_raw_deliver(struct sk_buff *skb, int nexthdr) { struct net *net = dev_net(skb->dev); - struct hlist_nulls_head *hlist; - struct hlist_nulls_node *hnode; const struct in6_addr *saddr; const struct in6_addr *daddr; + struct hlist_head *hlist; struct sock *sk; bool delivered = false; __u8 hash; @@ -155,7 +154,7 @@ static bool ipv6_raw_deliver(struct sk_buff *skb, int nexthdr) hash = raw_hashfunc(net, nexthdr); hlist = &raw_v6_hashinfo.ht[hash]; rcu_read_lock(); - sk_nulls_for_each(sk, hnode, hlist) { + sk_for_each_rcu(sk, hlist) { int filtered; if (!raw_v6_match(net, sk, nexthdr, daddr, saddr, @@ -194,10 +193,8 @@ static bool ipv6_raw_deliver(struct sk_buff *skb, int nexthdr) struct sk_buff *clone = skb_clone(skb, GFP_ATOMIC); /* Not releasing hash table! */ - if (clone) { - nf_reset_ct(clone); + if (clone) rawv6_rcv(sk, clone); - } } } rcu_read_unlock(); @@ -333,15 +330,14 @@ void raw6_icmp_error(struct sk_buff *skb, int nexthdr, u8 type, u8 code, int inner_offset, __be32 info) { struct net *net = dev_net(skb->dev); - struct hlist_nulls_head *hlist; - struct hlist_nulls_node *hnode; + struct hlist_head *hlist; struct sock *sk; int hash; hash = raw_hashfunc(net, nexthdr); hlist = &raw_v6_hashinfo.ht[hash]; rcu_read_lock(); - sk_nulls_for_each(sk, hnode, hlist) { + sk_for_each_rcu(sk, hlist) { /* Note: ipv6_hdr(skb) != skb->data */ const struct ipv6hdr *ip6h = (const struct ipv6hdr *)skb->data; @@ -391,6 +387,7 @@ int rawv6_rcv(struct sock *sk, struct sk_buff *skb) kfree_skb_reason(skb, SKB_DROP_REASON_XFRM_POLICY); return NET_RX_DROP; } + nf_reset_ct(skb); if (!rp->checksum) skb->ip_summed = CHECKSUM_UNNECESSARY; @@ -796,7 +793,8 @@ static int rawv6_sendmsg(struct sock *sk, struct msghdr *msg, size_t len) if (!proto) proto = inet->inet_num; - else if (proto != inet->inet_num) + else if (proto != inet->inet_num && + inet->inet_num != IPPROTO_RAW) return -EINVAL; if (proto > 255) diff --git a/net/ipv6/route.c b/net/ipv6/route.c index 244df77fac87..e3aec46bd466 100644 --- a/net/ipv6/route.c +++ b/net/ipv6/route.c @@ -139,20 +139,20 @@ void rt6_uncached_list_add(struct rt6_info *rt) { struct uncached_list *ul = raw_cpu_ptr(&rt6_uncached_list); - rt->rt6i_uncached_list = ul; + rt->dst.rt_uncached_list = ul; spin_lock_bh(&ul->lock); - list_add_tail(&rt->rt6i_uncached, &ul->head); + list_add_tail(&rt->dst.rt_uncached, &ul->head); spin_unlock_bh(&ul->lock); } void rt6_uncached_list_del(struct rt6_info *rt) { - if (!list_empty(&rt->rt6i_uncached)) { - struct uncached_list *ul = rt->rt6i_uncached_list; + if (!list_empty(&rt->dst.rt_uncached)) { + struct uncached_list *ul = rt->dst.rt_uncached_list; spin_lock_bh(&ul->lock); - list_del_init(&rt->rt6i_uncached); + list_del_init(&rt->dst.rt_uncached); spin_unlock_bh(&ul->lock); } } @@ -169,7 +169,7 @@ static void rt6_uncached_list_flush_dev(struct net_device *dev) continue; spin_lock_bh(&ul->lock); - list_for_each_entry_safe(rt, safe, &ul->head, rt6i_uncached) { + list_for_each_entry_safe(rt, safe, &ul->head, dst.rt_uncached) { struct inet6_dev *rt_idev = rt->rt6i_idev; struct net_device *rt_dev = rt->dst.dev; bool handled = false; @@ -188,7 +188,7 @@ static void rt6_uncached_list_flush_dev(struct net_device *dev) handled = true; } if (handled) - list_move(&rt->rt6i_uncached, + list_move(&rt->dst.rt_uncached, &ul->quarantine); } spin_unlock_bh(&ul->lock); @@ -293,7 +293,7 @@ static const struct fib6_info fib6_null_entry_template = { static const struct rt6_info ip6_null_entry_template = { .dst = { - .__refcnt = ATOMIC_INIT(1), + .__rcuref = RCUREF_INIT(1), .__use = 1, .obsolete = DST_OBSOLETE_FORCE_CHK, .error = -ENETUNREACH, @@ -307,7 +307,7 @@ static const struct rt6_info ip6_null_entry_template = { static const struct rt6_info ip6_prohibit_entry_template = { .dst = { - .__refcnt = ATOMIC_INIT(1), + .__rcuref = RCUREF_INIT(1), .__use = 1, .obsolete = DST_OBSOLETE_FORCE_CHK, .error = -EACCES, @@ -319,7 +319,7 @@ static const struct rt6_info ip6_prohibit_entry_template = { static const struct rt6_info ip6_blk_hole_entry_template = { .dst = { - .__refcnt = ATOMIC_INIT(1), + .__rcuref = RCUREF_INIT(1), .__use = 1, .obsolete = DST_OBSOLETE_FORCE_CHK, .error = -EINVAL, @@ -334,7 +334,6 @@ static const struct rt6_info ip6_blk_hole_entry_template = { static void rt6_info_init(struct rt6_info *rt) { memset_after(rt, 0, dst); - INIT_LIST_HEAD(&rt->rt6i_uncached); } /* allocate dst with ip6_dst_ops */ @@ -2638,7 +2637,7 @@ struct dst_entry *ip6_route_output_flags(struct net *net, dst = ip6_route_output_flags_noref(net, sk, fl6, flags); rt6 = (struct rt6_info *)dst; /* For dst cached in uncached_list, refcnt is already taken. */ - if (list_empty(&rt6->rt6i_uncached) && !dst_hold_safe(dst)) { + if (list_empty(&rt6->dst.rt_uncached) && !dst_hold_safe(dst)) { dst = &net->ipv6.ip6_null_entry->dst; dst_hold(dst); } @@ -2748,7 +2747,7 @@ INDIRECT_CALLABLE_SCOPE struct dst_entry *ip6_dst_check(struct dst_entry *dst, from = rcu_dereference(rt->from); if (from && (rt->rt6i_flags & RTF_PCPU || - unlikely(!list_empty(&rt->rt6i_uncached)))) + unlikely(!list_empty(&rt->dst.rt_uncached)))) dst_ret = rt6_dst_from_check(rt, from, cookie); else dst_ret = rt6_check(rt, from, cookie); @@ -6477,7 +6476,7 @@ static int __net_init ip6_route_net_init(struct net *net) net->ipv6.ip6_null_entry->dst.ops = &net->ipv6.ip6_dst_ops; dst_init_metrics(&net->ipv6.ip6_null_entry->dst, ip6_template_metrics, true); - INIT_LIST_HEAD(&net->ipv6.ip6_null_entry->rt6i_uncached); + INIT_LIST_HEAD(&net->ipv6.ip6_null_entry->dst.rt_uncached); #ifdef CONFIG_IPV6_MULTIPLE_TABLES net->ipv6.fib6_has_custom_rules = false; @@ -6489,7 +6488,7 @@ static int __net_init ip6_route_net_init(struct net *net) net->ipv6.ip6_prohibit_entry->dst.ops = &net->ipv6.ip6_dst_ops; dst_init_metrics(&net->ipv6.ip6_prohibit_entry->dst, ip6_template_metrics, true); - INIT_LIST_HEAD(&net->ipv6.ip6_prohibit_entry->rt6i_uncached); + INIT_LIST_HEAD(&net->ipv6.ip6_prohibit_entry->dst.rt_uncached); net->ipv6.ip6_blk_hole_entry = kmemdup(&ip6_blk_hole_entry_template, sizeof(*net->ipv6.ip6_blk_hole_entry), @@ -6499,7 +6498,7 @@ static int __net_init ip6_route_net_init(struct net *net) net->ipv6.ip6_blk_hole_entry->dst.ops = &net->ipv6.ip6_dst_ops; dst_init_metrics(&net->ipv6.ip6_blk_hole_entry->dst, ip6_template_metrics, true); - INIT_LIST_HEAD(&net->ipv6.ip6_blk_hole_entry->rt6i_uncached); + INIT_LIST_HEAD(&net->ipv6.ip6_blk_hole_entry->dst.rt_uncached); #ifdef CONFIG_IPV6_SUBTREES net->ipv6.fib6_routes_require_src = 0; #endif diff --git a/net/ipv6/rpl.c b/net/ipv6/rpl.c index 488aec9e1a74..d1876f192225 100644 --- a/net/ipv6/rpl.c +++ b/net/ipv6/rpl.c @@ -32,7 +32,8 @@ static void *ipv6_rpl_segdata_pos(const struct ipv6_rpl_sr_hdr *hdr, int i) size_t ipv6_rpl_srh_size(unsigned char n, unsigned char cmpri, unsigned char cmpre) { - return (n * IPV6_PFXTAIL_LEN(cmpri)) + IPV6_PFXTAIL_LEN(cmpre); + return sizeof(struct ipv6_rpl_sr_hdr) + (n * IPV6_PFXTAIL_LEN(cmpri)) + + IPV6_PFXTAIL_LEN(cmpre); } void ipv6_rpl_srh_decompress(struct ipv6_rpl_sr_hdr *outhdr, diff --git a/net/ipv6/sit.c b/net/ipv6/sit.c index 70d81bba5093..cc24cefdb85c 100644 --- a/net/ipv6/sit.c +++ b/net/ipv6/sit.c @@ -1024,7 +1024,7 @@ static netdev_tx_t ipip6_tunnel_xmit(struct sk_buff *skb, ttl = iph6->hop_limit; tos = INET_ECN_encapsulate(tos, ipv6_get_dsfield(iph6)); - if (ip_tunnel_encap(skb, tunnel, &protocol, &fl4) < 0) { + if (ip_tunnel_encap(skb, &tunnel->encap, &protocol, &fl4) < 0) { ip_rt_put(rt); goto tx_error; } @@ -1095,12 +1095,13 @@ tx_err: static void ipip6_tunnel_bind_dev(struct net_device *dev) { + struct ip_tunnel *tunnel = netdev_priv(dev); + int t_hlen = tunnel->hlen + sizeof(struct iphdr); struct net_device *tdev = NULL; - struct ip_tunnel *tunnel; + int hlen = LL_MAX_HEADER; const struct iphdr *iph; struct flowi4 fl4; - tunnel = netdev_priv(dev); iph = &tunnel->parms.iph; if (iph->daddr) { @@ -1123,14 +1124,15 @@ static void ipip6_tunnel_bind_dev(struct net_device *dev) tdev = __dev_get_by_index(tunnel->net, tunnel->parms.link); if (tdev && !netif_is_l3_master(tdev)) { - int t_hlen = tunnel->hlen + sizeof(struct iphdr); int mtu; mtu = tdev->mtu - t_hlen; if (mtu < IPV6_MIN_MTU) mtu = IPV6_MIN_MTU; WRITE_ONCE(dev->mtu, mtu); + hlen = tdev->hard_header_len + tdev->needed_headroom; } + dev->needed_headroom = t_hlen + hlen; } static void ipip6_tunnel_update(struct ip_tunnel *t, struct ip_tunnel_parm *p, diff --git a/net/ipv6/tcp_ipv6.c b/net/ipv6/tcp_ipv6.c index 35cf523c9efd..7132eb213a7a 100644 --- a/net/ipv6/tcp_ipv6.c +++ b/net/ipv6/tcp_ipv6.c @@ -1065,7 +1065,7 @@ static void tcp_v6_send_reset(const struct sock *sk, struct sk_buff *skb) if (np->repflow) label = ip6_flowlabel(ipv6h); priority = sk->sk_priority; - txhash = sk->sk_hash; + txhash = sk->sk_txhash; } if (sk->sk_state == TCP_TIME_WAIT) { label = cpu_to_be32(inet_twsk(sk)->tw_flowlabel); @@ -1723,6 +1723,8 @@ process: if (drop_reason) goto discard_and_relse; + nf_reset_ct(skb); + if (tcp_filter(sk, skb)) { drop_reason = SKB_DROP_REASON_SOCKET_FILTER; goto discard_and_relse; diff --git a/net/ipv6/udp.c b/net/ipv6/udp.c index d350e57c4792..e5a337e6b970 100644 --- a/net/ipv6/udp.c +++ b/net/ipv6/udp.c @@ -704,6 +704,7 @@ static int udpv6_queue_rcv_one_skb(struct sock *sk, struct sk_buff *skb) drop_reason = SKB_DROP_REASON_XFRM_POLICY; goto drop; } + nf_reset_ct(skb); if (static_branch_unlikely(&udpv6_encap_needed_key) && up->encap_type) { int (*encap_rcv)(struct sock *sk, struct sk_buff *skb); @@ -1027,6 +1028,7 @@ int __udp6_lib_rcv(struct sk_buff *skb, struct udp_table *udptable, if (!xfrm6_policy_check(NULL, XFRM_POLICY_IN, skb)) goto discard; + nf_reset_ct(skb); if (udp_lib_checksum_complete(skb)) goto csum_error; @@ -1395,9 +1397,11 @@ int udpv6_sendmsg(struct sock *sk, struct msghdr *msg, size_t len) msg->msg_name = &sin; msg->msg_namelen = sizeof(sin); do_udp_sendmsg: - if (ipv6_only_sock(sk)) - return -ENETUNREACH; - return udp_sendmsg(sk, msg, len); + err = ipv6_only_sock(sk) ? + -ENETUNREACH : udp_sendmsg(sk, msg, len); + msg->msg_name = sin6; + msg->msg_namelen = addr_len; + return err; } } diff --git a/net/ipv6/udplite.c b/net/ipv6/udplite.c index 67eaf3ca14ce..3bab0cc13697 100644 --- a/net/ipv6/udplite.c +++ b/net/ipv6/udplite.c @@ -60,6 +60,8 @@ struct proto udplitev6_prot = { .per_cpu_fw_alloc = &udp_memory_per_cpu_fw_alloc, .sysctl_mem = sysctl_udp_mem, + .sysctl_wmem_offset = offsetof(struct net, ipv4.sysctl_udp_wmem_min), + .sysctl_rmem_offset = offsetof(struct net, ipv4.sysctl_udp_rmem_min), .obj_size = sizeof(struct udp6_sock), .h.udp_table = &udplite_table, }; diff --git a/net/ipv6/xfrm6_policy.c b/net/ipv6/xfrm6_policy.c index ea435eba3053..eecc5e59da17 100644 --- a/net/ipv6/xfrm6_policy.c +++ b/net/ipv6/xfrm6_policy.c @@ -89,7 +89,6 @@ static int xfrm6_fill_dst(struct xfrm_dst *xdst, struct net_device *dev, xdst->u.rt6.rt6i_gateway = rt->rt6i_gateway; xdst->u.rt6.rt6i_dst = rt->rt6i_dst; xdst->u.rt6.rt6i_src = rt->rt6i_src; - INIT_LIST_HEAD(&xdst->u.rt6.rt6i_uncached); rt6_uncached_list_add(&xdst->u.rt6); return 0; @@ -121,8 +120,7 @@ static void xfrm6_dst_destroy(struct dst_entry *dst) if (likely(xdst->u.rt6.rt6i_idev)) in6_dev_put(xdst->u.rt6.rt6i_idev); dst_destroy_metrics_generic(dst); - if (xdst->u.rt6.rt6i_uncached_list) - rt6_uncached_list_del(&xdst->u.rt6); + rt6_uncached_list_del(&xdst->u.rt6); xfrm_dst_destroy(xdst); } |