diff options
Diffstat (limited to 'net/ipv6')
38 files changed, 679 insertions, 728 deletions
diff --git a/net/ipv6/addrconf.c b/net/ipv6/addrconf.c index 7b6a584b62d..eea9542728c 100644 --- a/net/ipv6/addrconf.c +++ b/net/ipv6/addrconf.c @@ -3982,7 +3982,6 @@ int addrconf_sysctl_forward(ctl_table *ctl, int write, struct file * filp, } static int addrconf_sysctl_forward_strategy(ctl_table *table, - int __user *name, int nlen, void __user *oldval, size_t __user *oldlenp, void __user *newval, size_t newlen) diff --git a/net/ipv6/af_inet6.c b/net/ipv6/af_inet6.c index 95055f8c3f3..01edac88851 100644 --- a/net/ipv6/af_inet6.c +++ b/net/ipv6/af_inet6.c @@ -50,6 +50,7 @@ #include <net/ipip.h> #include <net/protocol.h> #include <net/inet_common.h> +#include <net/route.h> #include <net/transp_v6.h> #include <net/ip6_route.h> #include <net/addrconf.h> @@ -794,61 +795,55 @@ static void ipv6_packet_cleanup(void) dev_remove_pack(&ipv6_packet_type); } -static int __init init_ipv6_mibs(void) +static int __net_init ipv6_init_mibs(struct net *net) { - if (snmp_mib_init((void **)ipv6_statistics, + if (snmp_mib_init((void **)net->mib.udp_stats_in6, + sizeof (struct udp_mib)) < 0) + return -ENOMEM; + if (snmp_mib_init((void **)net->mib.udplite_stats_in6, + sizeof (struct udp_mib)) < 0) + goto err_udplite_mib; + if (snmp_mib_init((void **)net->mib.ipv6_statistics, sizeof(struct ipstats_mib)) < 0) goto err_ip_mib; - if (snmp_mib_init((void **)icmpv6_statistics, + if (snmp_mib_init((void **)net->mib.icmpv6_statistics, sizeof(struct icmpv6_mib)) < 0) goto err_icmp_mib; - if (snmp_mib_init((void **)icmpv6msg_statistics, + if (snmp_mib_init((void **)net->mib.icmpv6msg_statistics, sizeof(struct icmpv6msg_mib)) < 0) goto err_icmpmsg_mib; - if (snmp_mib_init((void **)udp_stats_in6, sizeof (struct udp_mib)) < 0) - goto err_udp_mib; - if (snmp_mib_init((void **)udplite_stats_in6, - sizeof (struct udp_mib)) < 0) - goto err_udplite_mib; return 0; -err_udplite_mib: - snmp_mib_free((void **)udp_stats_in6); -err_udp_mib: - snmp_mib_free((void **)icmpv6msg_statistics); err_icmpmsg_mib: - snmp_mib_free((void **)icmpv6_statistics); + snmp_mib_free((void **)net->mib.icmpv6_statistics); err_icmp_mib: - snmp_mib_free((void **)ipv6_statistics); + snmp_mib_free((void **)net->mib.ipv6_statistics); err_ip_mib: + snmp_mib_free((void **)net->mib.udplite_stats_in6); +err_udplite_mib: + snmp_mib_free((void **)net->mib.udp_stats_in6); return -ENOMEM; - } -static void cleanup_ipv6_mibs(void) +static void __net_exit ipv6_cleanup_mibs(struct net *net) { - snmp_mib_free((void **)ipv6_statistics); - snmp_mib_free((void **)icmpv6_statistics); - snmp_mib_free((void **)icmpv6msg_statistics); - snmp_mib_free((void **)udp_stats_in6); - snmp_mib_free((void **)udplite_stats_in6); + snmp_mib_free((void **)net->mib.udp_stats_in6); + snmp_mib_free((void **)net->mib.udplite_stats_in6); + snmp_mib_free((void **)net->mib.ipv6_statistics); + snmp_mib_free((void **)net->mib.icmpv6_statistics); + snmp_mib_free((void **)net->mib.icmpv6msg_statistics); } -static int inet6_net_init(struct net *net) +static int __net_init inet6_net_init(struct net *net) { int err = 0; net->ipv6.sysctl.bindv6only = 0; - net->ipv6.sysctl.flush_delay = 0; - net->ipv6.sysctl.ip6_rt_max_size = 4096; - net->ipv6.sysctl.ip6_rt_gc_min_interval = HZ / 2; - net->ipv6.sysctl.ip6_rt_gc_timeout = 60*HZ; - net->ipv6.sysctl.ip6_rt_gc_interval = 30*HZ; - net->ipv6.sysctl.ip6_rt_gc_elasticity = 9; - net->ipv6.sysctl.ip6_rt_mtu_expires = 10*60*HZ; - net->ipv6.sysctl.ip6_rt_min_advmss = IPV6_MIN_MTU - 20 - 40; net->ipv6.sysctl.icmpv6_time = 1*HZ; + err = ipv6_init_mibs(net); + if (err) + return err; #ifdef CONFIG_PROC_FS err = udp6_proc_init(net); if (err) @@ -859,7 +854,6 @@ static int inet6_net_init(struct net *net) err = ac6_proc_init(net); if (err) goto proc_ac6_fail; -out: #endif return err; @@ -868,7 +862,9 @@ proc_ac6_fail: tcp6_proc_exit(net); proc_tcp6_fail: udp6_proc_exit(net); - goto out; +out: + ipv6_cleanup_mibs(net); + return err; #endif } @@ -879,6 +875,7 @@ static void inet6_net_exit(struct net *net) tcp6_proc_exit(net); ac6_proc_exit(net); #endif + ipv6_cleanup_mibs(net); } static struct pernet_operations inet6_net_ops = { @@ -929,11 +926,6 @@ static int __init inet6_init(void) if (err) goto out_sock_register_fail; - /* Initialise ipv6 mibs */ - err = init_ipv6_mibs(); - if (err) - goto out_unregister_sock; - #ifdef CONFIG_SYSCTL err = ipv6_static_sysctl_register(); if (err) @@ -1067,8 +1059,6 @@ register_pernet_fail: ipv6_static_sysctl_unregister(); static_sysctl_fail: #endif - cleanup_ipv6_mibs(); -out_unregister_sock: sock_unregister(PF_INET6); rtnl_unregister_all(PF_INET6); out_sock_register_fail: @@ -1125,7 +1115,6 @@ static void __exit inet6_exit(void) #ifdef CONFIG_SYSCTL ipv6_static_sysctl_unregister(); #endif - cleanup_ipv6_mibs(); proto_unregister(&rawv6_prot); proto_unregister(&udplitev6_prot); proto_unregister(&udpv6_prot); diff --git a/net/ipv6/exthdrs.c b/net/ipv6/exthdrs.c index 837c830d6d8..6bfffec2371 100644 --- a/net/ipv6/exthdrs.c +++ b/net/ipv6/exthdrs.c @@ -277,7 +277,7 @@ static int ipv6_destopt_rcv(struct sk_buff *skb) if (!pskb_may_pull(skb, skb_transport_offset(skb) + 8) || !pskb_may_pull(skb, (skb_transport_offset(skb) + ((skb_transport_header(skb)[1] + 1) << 3)))) { - IP6_INC_STATS_BH(ip6_dst_idev(skb->dst), + IP6_INC_STATS_BH(dev_net(skb->dst->dev), ip6_dst_idev(skb->dst), IPSTATS_MIB_INHDRERRORS); kfree_skb(skb); return -1; @@ -301,7 +301,8 @@ static int ipv6_destopt_rcv(struct sk_buff *skb) return 1; } - IP6_INC_STATS_BH(ip6_dst_idev(dst), IPSTATS_MIB_INHDRERRORS); + IP6_INC_STATS_BH(dev_net(dst->dev), + ip6_dst_idev(dst), IPSTATS_MIB_INHDRERRORS); dst_release(dst); return -1; } @@ -319,7 +320,8 @@ static int ipv6_rthdr_rcv(struct sk_buff *skb) int n, i; struct ipv6_rt_hdr *hdr; struct rt0_hdr *rthdr; - int accept_source_route = dev_net(skb->dev)->ipv6.devconf_all->accept_source_route; + struct net *net = dev_net(skb->dev); + int accept_source_route = net->ipv6.devconf_all->accept_source_route; idev = in6_dev_get(skb->dev); if (idev) { @@ -331,7 +333,7 @@ static int ipv6_rthdr_rcv(struct sk_buff *skb) if (!pskb_may_pull(skb, skb_transport_offset(skb) + 8) || !pskb_may_pull(skb, (skb_transport_offset(skb) + ((skb_transport_header(skb)[1] + 1) << 3)))) { - IP6_INC_STATS_BH(ip6_dst_idev(skb->dst), + IP6_INC_STATS_BH(net, ip6_dst_idev(skb->dst), IPSTATS_MIB_INHDRERRORS); kfree_skb(skb); return -1; @@ -341,7 +343,7 @@ static int ipv6_rthdr_rcv(struct sk_buff *skb) if (ipv6_addr_is_multicast(&ipv6_hdr(skb)->daddr) || skb->pkt_type != PACKET_HOST) { - IP6_INC_STATS_BH(ip6_dst_idev(skb->dst), + IP6_INC_STATS_BH(net, ip6_dst_idev(skb->dst), IPSTATS_MIB_INADDRERRORS); kfree_skb(skb); return -1; @@ -356,7 +358,7 @@ looped_back: * processed by own */ if (!addr) { - IP6_INC_STATS_BH(ip6_dst_idev(skb->dst), + IP6_INC_STATS_BH(net, ip6_dst_idev(skb->dst), IPSTATS_MIB_INADDRERRORS); kfree_skb(skb); return -1; @@ -382,7 +384,7 @@ looped_back: goto unknown_rh; /* Silently discard invalid RTH type 2 */ if (hdr->hdrlen != 2 || hdr->segments_left != 1) { - IP6_INC_STATS_BH(ip6_dst_idev(skb->dst), + IP6_INC_STATS_BH(net, ip6_dst_idev(skb->dst), IPSTATS_MIB_INHDRERRORS); kfree_skb(skb); return -1; @@ -401,7 +403,7 @@ looped_back: n = hdr->hdrlen >> 1; if (hdr->segments_left > n) { - IP6_INC_STATS_BH(ip6_dst_idev(skb->dst), + IP6_INC_STATS_BH(net, ip6_dst_idev(skb->dst), IPSTATS_MIB_INHDRERRORS); icmpv6_param_prob(skb, ICMPV6_HDR_FIELD, ((&hdr->segments_left) - @@ -415,7 +417,7 @@ looped_back: if (skb_cloned(skb)) { /* the copy is a forwarded packet */ if (pskb_expand_head(skb, 0, 0, GFP_ATOMIC)) { - IP6_INC_STATS_BH(ip6_dst_idev(skb->dst), + IP6_INC_STATS_BH(net, ip6_dst_idev(skb->dst), IPSTATS_MIB_OUTDISCARDS); kfree_skb(skb); return -1; @@ -438,13 +440,13 @@ looped_back: if (xfrm6_input_addr(skb, (xfrm_address_t *)addr, (xfrm_address_t *)&ipv6_hdr(skb)->saddr, IPPROTO_ROUTING) < 0) { - IP6_INC_STATS_BH(ip6_dst_idev(skb->dst), + IP6_INC_STATS_BH(net, ip6_dst_idev(skb->dst), IPSTATS_MIB_INADDRERRORS); kfree_skb(skb); return -1; } if (!ipv6_chk_home_addr(dev_net(skb->dst->dev), addr)) { - IP6_INC_STATS_BH(ip6_dst_idev(skb->dst), + IP6_INC_STATS_BH(net, ip6_dst_idev(skb->dst), IPSTATS_MIB_INADDRERRORS); kfree_skb(skb); return -1; @@ -456,7 +458,7 @@ looped_back: } if (ipv6_addr_is_multicast(addr)) { - IP6_INC_STATS_BH(ip6_dst_idev(skb->dst), + IP6_INC_STATS_BH(net, ip6_dst_idev(skb->dst), IPSTATS_MIB_INADDRERRORS); kfree_skb(skb); return -1; @@ -476,7 +478,7 @@ looped_back: if (skb->dst->dev->flags&IFF_LOOPBACK) { if (ipv6_hdr(skb)->hop_limit <= 1) { - IP6_INC_STATS_BH(ip6_dst_idev(skb->dst), + IP6_INC_STATS_BH(net, ip6_dst_idev(skb->dst), IPSTATS_MIB_INHDRERRORS); icmpv6_send(skb, ICMPV6_TIME_EXCEED, ICMPV6_EXC_HOPLIMIT, 0, skb->dev); @@ -492,7 +494,7 @@ looped_back: return -1; unknown_rh: - IP6_INC_STATS_BH(ip6_dst_idev(skb->dst), IPSTATS_MIB_INHDRERRORS); + IP6_INC_STATS_BH(net, ip6_dst_idev(skb->dst), IPSTATS_MIB_INHDRERRORS); icmpv6_param_prob(skb, ICMPV6_HDR_FIELD, (&hdr->type) - skb_network_header(skb)); return -1; @@ -579,29 +581,33 @@ static int ipv6_hop_jumbo(struct sk_buff *skb, int optoff) { const unsigned char *nh = skb_network_header(skb); u32 pkt_len; + struct net *net = dev_net(skb->dst->dev); if (nh[optoff + 1] != 4 || (optoff & 3) != 2) { LIMIT_NETDEBUG(KERN_DEBUG "ipv6_hop_jumbo: wrong jumbo opt length/alignment %d\n", nh[optoff+1]); - IP6_INC_STATS_BH(ipv6_skb_idev(skb), + IP6_INC_STATS_BH(net, ipv6_skb_idev(skb), IPSTATS_MIB_INHDRERRORS); goto drop; } pkt_len = ntohl(*(__be32 *)(nh + optoff + 2)); if (pkt_len <= IPV6_MAXPLEN) { - IP6_INC_STATS_BH(ipv6_skb_idev(skb), IPSTATS_MIB_INHDRERRORS); + IP6_INC_STATS_BH(net, ipv6_skb_idev(skb), + IPSTATS_MIB_INHDRERRORS); icmpv6_param_prob(skb, ICMPV6_HDR_FIELD, optoff+2); return 0; } if (ipv6_hdr(skb)->payload_len) { - IP6_INC_STATS_BH(ipv6_skb_idev(skb), IPSTATS_MIB_INHDRERRORS); + IP6_INC_STATS_BH(net, ipv6_skb_idev(skb), + IPSTATS_MIB_INHDRERRORS); icmpv6_param_prob(skb, ICMPV6_HDR_FIELD, optoff); return 0; } if (pkt_len > skb->len - sizeof(struct ipv6hdr)) { - IP6_INC_STATS_BH(ipv6_skb_idev(skb), IPSTATS_MIB_INTRUNCATEDPKTS); + IP6_INC_STATS_BH(net, ipv6_skb_idev(skb), + IPSTATS_MIB_INTRUNCATEDPKTS); goto drop; } diff --git a/net/ipv6/icmp.c b/net/ipv6/icmp.c index b3157a0cc15..9b7d19ae5ce 100644 --- a/net/ipv6/icmp.c +++ b/net/ipv6/icmp.c @@ -183,7 +183,7 @@ static inline int icmpv6_xrlim_allow(struct sock *sk, int type, */ dst = ip6_route_output(net, sk, fl); if (dst->error) { - IP6_INC_STATS(ip6_dst_idev(dst), + IP6_INC_STATS(net, ip6_dst_idev(dst), IPSTATS_MIB_OUTNOROUTES); } else if (dst->dev && (dst->dev->flags&IFF_LOOPBACK)) { res = 1; @@ -664,7 +664,7 @@ static int icmpv6_rcv(struct sk_buff *skb) skb_set_network_header(skb, nh); } - ICMP6_INC_STATS_BH(idev, ICMP6_MIB_INMSGS); + ICMP6_INC_STATS_BH(dev_net(dev), idev, ICMP6_MIB_INMSGS); saddr = &ipv6_hdr(skb)->saddr; daddr = &ipv6_hdr(skb)->daddr; @@ -693,7 +693,7 @@ static int icmpv6_rcv(struct sk_buff *skb) type = hdr->icmp6_type; - ICMP6MSGIN_INC_STATS_BH(idev, type); + ICMP6MSGIN_INC_STATS_BH(dev_net(dev), idev, type); switch (type) { case ICMPV6_ECHO_REQUEST: @@ -772,7 +772,7 @@ static int icmpv6_rcv(struct sk_buff *skb) return 0; discard_it: - ICMP6_INC_STATS_BH(idev, ICMP6_MIB_INERRORS); + ICMP6_INC_STATS_BH(dev_net(dev), idev, ICMP6_MIB_INERRORS); drop_no_count: kfree_skb(skb); return 0; diff --git a/net/ipv6/ip6_input.c b/net/ipv6/ip6_input.c index 7e14cccd056..936f48946e2 100644 --- a/net/ipv6/ip6_input.c +++ b/net/ipv6/ip6_input.c @@ -59,6 +59,7 @@ int ipv6_rcv(struct sk_buff *skb, struct net_device *dev, struct packet_type *pt struct ipv6hdr *hdr; u32 pkt_len; struct inet6_dev *idev; + struct net *net = dev_net(skb->dev); if (skb->pkt_type == PACKET_OTHERHOST) { kfree_skb(skb); @@ -69,11 +70,11 @@ int ipv6_rcv(struct sk_buff *skb, struct net_device *dev, struct packet_type *pt idev = __in6_dev_get(skb->dev); - IP6_INC_STATS_BH(idev, IPSTATS_MIB_INRECEIVES); + IP6_INC_STATS_BH(net, idev, IPSTATS_MIB_INRECEIVES); if ((skb = skb_share_check(skb, GFP_ATOMIC)) == NULL || !idev || unlikely(idev->cnf.disable_ipv6)) { - IP6_INC_STATS_BH(idev, IPSTATS_MIB_INDISCARDS); + IP6_INC_STATS_BH(net, idev, IPSTATS_MIB_INDISCARDS); rcu_read_unlock(); goto out; } @@ -118,11 +119,12 @@ int ipv6_rcv(struct sk_buff *skb, struct net_device *dev, struct packet_type *pt /* pkt_len may be zero if Jumbo payload option is present */ if (pkt_len || hdr->nexthdr != NEXTHDR_HOP) { if (pkt_len + sizeof(struct ipv6hdr) > skb->len) { - IP6_INC_STATS_BH(idev, IPSTATS_MIB_INTRUNCATEDPKTS); + IP6_INC_STATS_BH(net, + idev, IPSTATS_MIB_INTRUNCATEDPKTS); goto drop; } if (pskb_trim_rcsum(skb, pkt_len + sizeof(struct ipv6hdr))) { - IP6_INC_STATS_BH(idev, IPSTATS_MIB_INHDRERRORS); + IP6_INC_STATS_BH(net, idev, IPSTATS_MIB_INHDRERRORS); goto drop; } hdr = ipv6_hdr(skb); @@ -130,7 +132,7 @@ int ipv6_rcv(struct sk_buff *skb, struct net_device *dev, struct packet_type *pt if (hdr->nexthdr == NEXTHDR_HOP) { if (ipv6_parse_hopopts(skb) < 0) { - IP6_INC_STATS_BH(idev, IPSTATS_MIB_INHDRERRORS); + IP6_INC_STATS_BH(net, idev, IPSTATS_MIB_INHDRERRORS); rcu_read_unlock(); return 0; } @@ -141,7 +143,7 @@ int ipv6_rcv(struct sk_buff *skb, struct net_device *dev, struct packet_type *pt return NF_HOOK(PF_INET6, NF_INET_PRE_ROUTING, skb, dev, NULL, ip6_rcv_finish); err: - IP6_INC_STATS_BH(idev, IPSTATS_MIB_INHDRERRORS); + IP6_INC_STATS_BH(net, idev, IPSTATS_MIB_INHDRERRORS); drop: rcu_read_unlock(); kfree_skb(skb); @@ -161,6 +163,7 @@ static int ip6_input_finish(struct sk_buff *skb) int nexthdr, raw; u8 hash; struct inet6_dev *idev; + struct net *net = dev_net(skb->dst->dev); /* * Parse extension headers @@ -205,24 +208,25 @@ resubmit: if (ret > 0) goto resubmit; else if (ret == 0) - IP6_INC_STATS_BH(idev, IPSTATS_MIB_INDELIVERS); + IP6_INC_STATS_BH(net, idev, IPSTATS_MIB_INDELIVERS); } else { if (!raw) { if (xfrm6_policy_check(NULL, XFRM_POLICY_IN, skb)) { - IP6_INC_STATS_BH(idev, IPSTATS_MIB_INUNKNOWNPROTOS); + IP6_INC_STATS_BH(net, idev, + IPSTATS_MIB_INUNKNOWNPROTOS); icmpv6_send(skb, ICMPV6_PARAMPROB, ICMPV6_UNK_NEXTHDR, nhoff, skb->dev); } } else - IP6_INC_STATS_BH(idev, IPSTATS_MIB_INDELIVERS); + IP6_INC_STATS_BH(net, idev, IPSTATS_MIB_INDELIVERS); kfree_skb(skb); } rcu_read_unlock(); return 0; discard: - IP6_INC_STATS_BH(idev, IPSTATS_MIB_INDISCARDS); + IP6_INC_STATS_BH(net, idev, IPSTATS_MIB_INDISCARDS); rcu_read_unlock(); kfree_skb(skb); return 0; @@ -240,7 +244,8 @@ int ip6_mc_input(struct sk_buff *skb) struct ipv6hdr *hdr; int deliver; - IP6_INC_STATS_BH(ip6_dst_idev(skb->dst), IPSTATS_MIB_INMCASTPKTS); + IP6_INC_STATS_BH(dev_net(skb->dst->dev), + ip6_dst_idev(skb->dst), IPSTATS_MIB_INMCASTPKTS); hdr = ipv6_hdr(skb); deliver = ipv6_chk_mcast_addr(skb->dev, &hdr->daddr, NULL); diff --git a/net/ipv6/ip6_output.c b/net/ipv6/ip6_output.c index 0e844c2736a..c77db0b95e2 100644 --- a/net/ipv6/ip6_output.c +++ b/net/ipv6/ip6_output.c @@ -103,7 +103,8 @@ static int ip6_output_finish(struct sk_buff *skb) else if (dst->neighbour) return dst->neighbour->output(skb); - IP6_INC_STATS_BH(ip6_dst_idev(dst), IPSTATS_MIB_OUTNOROUTES); + IP6_INC_STATS_BH(dev_net(dst->dev), + ip6_dst_idev(dst), IPSTATS_MIB_OUTNOROUTES); kfree_skb(skb); return -EINVAL; @@ -150,13 +151,14 @@ static int ip6_output2(struct sk_buff *skb) ip6_dev_loopback_xmit); if (ipv6_hdr(skb)->hop_limit == 0) { - IP6_INC_STATS(idev, IPSTATS_MIB_OUTDISCARDS); + IP6_INC_STATS(dev_net(dev), idev, + IPSTATS_MIB_OUTDISCARDS); kfree_skb(skb); return 0; } } - IP6_INC_STATS(idev, IPSTATS_MIB_OUTMCASTPKTS); + IP6_INC_STATS(dev_net(dev), idev, IPSTATS_MIB_OUTMCASTPKTS); } return NF_HOOK(PF_INET6, NF_INET_POST_ROUTING, skb, NULL, skb->dev, @@ -175,7 +177,8 @@ int ip6_output(struct sk_buff *skb) { struct inet6_dev *idev = ip6_dst_idev(skb->dst); if (unlikely(idev->cnf.disable_ipv6)) { - IP6_INC_STATS(idev, IPSTATS_MIB_OUTDISCARDS); + IP6_INC_STATS(dev_net(skb->dst->dev), idev, + IPSTATS_MIB_OUTDISCARDS); kfree_skb(skb); return 0; } @@ -194,6 +197,7 @@ int ip6_output(struct sk_buff *skb) int ip6_xmit(struct sock *sk, struct sk_buff *skb, struct flowi *fl, struct ipv6_txoptions *opt, int ipfragok) { + struct net *net = sock_net(sk); struct ipv6_pinfo *np = inet6_sk(sk); struct in6_addr *first_hop = &fl->fl6_dst; struct dst_entry *dst = skb->dst; @@ -216,7 +220,7 @@ int ip6_xmit(struct sock *sk, struct sk_buff *skb, struct flowi *fl, if (skb_headroom(skb) < head_room) { struct sk_buff *skb2 = skb_realloc_headroom(skb, head_room); if (skb2 == NULL) { - IP6_INC_STATS(ip6_dst_idev(skb->dst), + IP6_INC_STATS(net, ip6_dst_idev(skb->dst), IPSTATS_MIB_OUTDISCARDS); kfree_skb(skb); return -ENOBUFS; @@ -270,7 +274,7 @@ int ip6_xmit(struct sock *sk, struct sk_buff *skb, struct flowi *fl, mtu = dst_mtu(dst); if ((skb->len <= mtu) || skb->local_df || skb_is_gso(skb)) { - IP6_INC_STATS(ip6_dst_idev(skb->dst), + IP6_INC_STATS(net, ip6_dst_idev(skb->dst), IPSTATS_MIB_OUTREQUESTS); return NF_HOOK(PF_INET6, NF_INET_LOCAL_OUT, skb, NULL, dst->dev, dst_output); @@ -280,7 +284,7 @@ int ip6_xmit(struct sock *sk, struct sk_buff *skb, struct flowi *fl, printk(KERN_DEBUG "IPv6: sending pkt_too_big to self\n"); skb->dev = dst->dev; icmpv6_send(skb, ICMPV6_PKT_TOOBIG, 0, mtu, skb->dev); - IP6_INC_STATS(ip6_dst_idev(skb->dst), IPSTATS_MIB_FRAGFAILS); + IP6_INC_STATS(net, ip6_dst_idev(skb->dst), IPSTATS_MIB_FRAGFAILS); kfree_skb(skb); return -EMSGSIZE; } @@ -422,7 +426,7 @@ int ip6_forward(struct sk_buff *skb) goto drop; if (!xfrm6_policy_check(NULL, XFRM_POLICY_FWD, skb)) { - IP6_INC_STATS(ip6_dst_idev(dst), IPSTATS_MIB_INDISCARDS); + IP6_INC_STATS(net, ip6_dst_idev(dst), IPSTATS_MIB_INDISCARDS); goto drop; } @@ -455,7 +459,8 @@ int ip6_forward(struct sk_buff *skb) skb->dev = dst->dev; icmpv6_send(skb, ICMPV6_TIME_EXCEED, ICMPV6_EXC_HOPLIMIT, 0, skb->dev); - IP6_INC_STATS_BH(ip6_dst_idev(dst), IPSTATS_MIB_INHDRERRORS); + IP6_INC_STATS_BH(net, + ip6_dst_idev(dst), IPSTATS_MIB_INHDRERRORS); kfree_skb(skb); return -ETIMEDOUT; @@ -468,13 +473,14 @@ int ip6_forward(struct sk_buff *skb) if (proxied > 0) return ip6_input(skb); else if (proxied < 0) { - IP6_INC_STATS(ip6_dst_idev(dst), IPSTATS_MIB_INDISCARDS); + IP6_INC_STATS(net, ip6_dst_idev(dst), + IPSTATS_MIB_INDISCARDS); goto drop; } } if (!xfrm6_route_forward(skb)) { - IP6_INC_STATS(ip6_dst_idev(dst), IPSTATS_MIB_INDISCARDS); + IP6_INC_STATS(net, ip6_dst_idev(dst), IPSTATS_MIB_INDISCARDS); goto drop; } dst = skb->dst; @@ -523,14 +529,16 @@ int ip6_forward(struct sk_buff *skb) /* Again, force OUTPUT device used as source address */ skb->dev = dst->dev; icmpv6_send(skb, ICMPV6_PKT_TOOBIG, 0, dst_mtu(dst), skb->dev); - IP6_INC_STATS_BH(ip6_dst_idev(dst), IPSTATS_MIB_INTOOBIGERRORS); - IP6_INC_STATS_BH(ip6_dst_idev(dst), IPSTATS_MIB_FRAGFAILS); + IP6_INC_STATS_BH(net, + ip6_dst_idev(dst), IPSTATS_MIB_INTOOBIGERRORS); + IP6_INC_STATS_BH(net, + ip6_dst_idev(dst), IPSTATS_MIB_FRAGFAILS); kfree_skb(skb); return -EMSGSIZE; } if (skb_cow(skb, dst->dev->hard_header_len)) { - IP6_INC_STATS(ip6_dst_idev(dst), IPSTATS_MIB_OUTDISCARDS); + IP6_INC_STATS(net, ip6_dst_idev(dst), IPSTATS_MIB_OUTDISCARDS); goto drop; } @@ -540,12 +548,12 @@ int ip6_forward(struct sk_buff *skb) hdr->hop_limit--; - IP6_INC_STATS_BH(ip6_dst_idev(dst), IPSTATS_MIB_OUTFORWDATAGRAMS); + IP6_INC_STATS_BH(net, ip6_dst_idev(dst), IPSTATS_MIB_OUTFORWDATAGRAMS); return NF_HOOK(PF_INET6, NF_INET_FORWARD, skb, skb->dev, dst->dev, ip6_forward_finish); error: - IP6_INC_STATS_BH(ip6_dst_idev(dst), IPSTATS_MIB_INADDRERRORS); + IP6_INC_STATS_BH(net, ip6_dst_idev(dst), IPSTATS_MIB_INADDRERRORS); drop: kfree_skb(skb); return -EINVAL; @@ -613,7 +621,6 @@ int ip6_find_1stfragopt(struct sk_buff *skb, u8 **nexthdr) static int ip6_fragment(struct sk_buff *skb, int (*output)(struct sk_buff *)) { - struct net_device *dev; struct sk_buff *frag; struct rt6_info *rt = (struct rt6_info*)skb->dst; struct ipv6_pinfo *np = skb->sk ? inet6_sk(skb->sk) : NULL; @@ -623,8 +630,8 @@ static int ip6_fragment(struct sk_buff *skb, int (*output)(struct sk_buff *)) __be32 frag_id = 0; int ptr, offset = 0, err=0; u8 *prevhdr, nexthdr = 0; + struct net *net = dev_net(skb->dst->dev); - dev = rt->u.dst.dev; hlen = ip6_find_1stfragopt(skb, &prevhdr); nexthdr = *prevhdr; @@ -637,7 +644,8 @@ static int ip6_fragment(struct sk_buff *skb, int (*output)(struct sk_buff *)) if (!skb->local_df) { skb->dev = skb->dst->dev; icmpv6_send(skb, ICMPV6_PKT_TOOBIG, 0, mtu, skb->dev); - IP6_INC_STATS(ip6_dst_idev(skb->dst), IPSTATS_MIB_FRAGFAILS); + IP6_INC_STATS(net, ip6_dst_idev(skb->dst), + IPSTATS_MIB_FRAGFAILS); kfree_skb(skb); return -EMSGSIZE; } @@ -686,7 +694,8 @@ static int ip6_fragment(struct sk_buff *skb, int (*output)(struct sk_buff *)) *prevhdr = NEXTHDR_FRAGMENT; tmp_hdr = kmemdup(skb_network_header(skb), hlen, GFP_ATOMIC); if (!tmp_hdr) { - IP6_INC_STATS(ip6_dst_idev(skb->dst), IPSTATS_MIB_FRAGFAILS); + IP6_INC_STATS(net, ip6_dst_idev(skb->dst), + IPSTATS_MIB_FRAGFAILS); return -ENOMEM; } @@ -737,7 +746,8 @@ static int ip6_fragment(struct sk_buff *skb, int (*output)(struct sk_buff *)) err = output(skb); if(!err) - IP6_INC_STATS(ip6_dst_idev(&rt->u.dst), IPSTATS_MIB_FRAGCREATES); + IP6_INC_STATS(net, ip6_dst_idev(&rt->u.dst), + IPSTATS_MIB_FRAGCREATES); if (err || !frag) break; @@ -750,7 +760,8 @@ static int ip6_fragment(struct sk_buff *skb, int (*output)(struct sk_buff *)) kfree(tmp_hdr); if (err == 0) { - IP6_INC_STATS(ip6_dst_idev(&rt->u.dst), IPSTATS_MIB_FRAGOKS); + IP6_INC_STATS(net, ip6_dst_idev(&rt->u.dst), + IPSTATS_MIB_FRAGOKS); dst_release(&rt->u.dst); return 0; } @@ -761,7 +772,8 @@ static int ip6_fragment(struct sk_buff *skb, int (*output)(struct sk_buff *)) frag = skb; } - IP6_INC_STATS(ip6_dst_idev(&rt->u.dst), IPSTATS_MIB_FRAGFAILS); + IP6_INC_STATS(net, ip6_dst_idev(&rt->u.dst), + IPSTATS_MIB_FRAGFAILS); dst_release(&rt->u.dst); return err; } @@ -795,7 +807,7 @@ slow_path: if ((frag = alloc_skb(len+hlen+sizeof(struct frag_hdr)+LL_ALLOCATED_SPACE(rt->u.dst.dev), GFP_ATOMIC)) == NULL) { NETDEBUG(KERN_INFO "IPv6: frag: no memory for new fragment!\n"); - IP6_INC_STATS(ip6_dst_idev(skb->dst), + IP6_INC_STATS(net, ip6_dst_idev(skb->dst), IPSTATS_MIB_FRAGFAILS); err = -ENOMEM; goto fail; @@ -859,15 +871,16 @@ slow_path: if (err) goto fail; - IP6_INC_STATS(ip6_dst_idev(skb->dst), IPSTATS_MIB_FRAGCREATES); + IP6_INC_STATS(net, ip6_dst_idev(skb->dst), + IPSTATS_MIB_FRAGCREATES); } - IP6_INC_STATS(ip6_dst_idev(skb->dst), + IP6_INC_STATS(net, ip6_dst_idev(skb->dst), IPSTATS_MIB_FRAGOKS); kfree_skb(skb); return err; fail: - IP6_INC_STATS(ip6_dst_idev(skb->dst), + IP6_INC_STATS(net, ip6_dst_idev(skb->dst), IPSTATS_MIB_FRAGFAILS); kfree_skb(skb); return err; @@ -943,46 +956,46 @@ static int ip6_dst_lookup_tail(struct sock *sk, } #ifdef CONFIG_IPV6_OPTIMISTIC_DAD - /* - * Here if the dst entry we've looked up - * has a neighbour entry that is in the INCOMPLETE - * state and the src address from the flow is - * marked as OPTIMISTIC, we release the found - * dst entry and replace it instead with the - * dst entry of the nexthop router - */ - if (!((*dst)->neighbour->nud_state & NUD_VALID)) { - struct inet6_ifaddr *ifp; - struct flowi fl_gw; - int redirect; - - ifp = ipv6_get_ifaddr(net, &fl->fl6_src, - (*dst)->dev, 1); - - redirect = (ifp && ifp->flags & IFA_F_OPTIMISTIC); - if (ifp) - in6_ifa_put(ifp); - - if (redirect) { - /* - * We need to get the dst entry for the - * default router instead - */ - dst_release(*dst); - memcpy(&fl_gw, fl, sizeof(struct flowi)); - memset(&fl_gw.fl6_dst, 0, sizeof(struct in6_addr)); - *dst = ip6_route_output(net, sk, &fl_gw); - if ((err = (*dst)->error)) - goto out_err_release; - } + /* + * Here if the dst entry we've looked up + * has a neighbour entry that is in the INCOMPLETE + * state and the src address from the flow is + * marked as OPTIMISTIC, we release the found + * dst entry and replace it instead with the + * dst entry of the nexthop router + */ + if ((*dst)->neighbour && !((*dst)->neighbour->nud_state & NUD_VALID)) { + struct inet6_ifaddr *ifp; + struct flowi fl_gw; + int redirect; + + ifp = ipv6_get_ifaddr(net, &fl->fl6_src, + (*dst)->dev, 1); + + redirect = (ifp && ifp->flags & IFA_F_OPTIMISTIC); + if (ifp) + in6_ifa_put(ifp); + |