X-Git-Url: http://ftp.safe.ca/?a=blobdiff_plain;f=net%2Fipv4%2Fip_forward.c;h=df3fe50bbf0dc0a76cebf690c4ec8697c7889d1d;hb=76a67ec6fb79ff3570dcb5342142c16098299911;hp=877da3ed52e2bef524d12cc88f2d23aa33b69502;hpb=861d04860725dc85944bf9fa815af338d9e56b43;p=safe%2Fjmp%2Flinux-2.6 diff --git a/net/ipv4/ip_forward.c b/net/ipv4/ip_forward.c index 877da3e..df3fe50 100644 --- a/net/ipv4/ip_forward.c +++ b/net/ipv4/ip_forward.c @@ -5,8 +5,6 @@ * * The IP forwarding functionality. * - * Version: $Id: ip_forward.c,v 1.48 2000/12/13 18:31:48 davem Exp $ - * * Authors: see ip.c * * Fixes: @@ -44,7 +42,7 @@ static int ip_forward_finish(struct sk_buff *skb) { struct ip_options * opt = &(IPCB(skb)->opt); - IP_INC_STATS_BH(IPSTATS_MIB_OUTFORWDATAGRAMS); + IP_INC_STATS_BH(dev_net(skb->dst->dev), IPSTATS_MIB_OUTFORWDATAGRAMS); if (unlikely(opt->optlen)) ip_forward_options(skb); @@ -58,6 +56,9 @@ int ip_forward(struct sk_buff *skb) struct rtable *rt; /* Route we use */ struct ip_options * opt = &(IPCB(skb)->opt); + if (skb_warn_if_lro(skb)) + goto drop; + if (!xfrm4_policy_check(NULL, XFRM_POLICY_FWD, skb)) goto drop; @@ -80,14 +81,14 @@ int ip_forward(struct sk_buff *skb) if (!xfrm4_route_forward(skb)) goto drop; - rt = (struct rtable*)skb->dst; + rt = skb->rtable; if (opt->is_strictroute && rt->rt_dst != rt->rt_gateway) goto sr_failed; - if (unlikely(skb->len > dst_mtu(&rt->u.dst) && + if (unlikely(skb->len > dst_mtu(&rt->u.dst) && !skb_is_gso(skb) && (ip_hdr(skb)->frag_off & htons(IP_DF))) && !skb->local_df) { - IP_INC_STATS(IPSTATS_MIB_FRAGFAILS); + IP_INC_STATS(dev_net(rt->u.dst.dev), IPSTATS_MIB_FRAGFAILS); icmp_send(skb, ICMP_DEST_UNREACH, ICMP_FRAG_NEEDED, htonl(dst_mtu(&rt->u.dst))); goto drop; @@ -105,12 +106,12 @@ int ip_forward(struct sk_buff *skb) * We now generate an ICMP HOST REDIRECT giving the route * we calculated. */ - if (rt->rt_flags&RTCF_DOREDIRECT && !opt->srr && !skb->sp) + if (rt->rt_flags&RTCF_DOREDIRECT && !opt->srr && !skb_sec_path(skb)) ip_rt_send_redirect(skb); skb->priority = rt_tos2priority(iph->tos); - return NF_HOOK(PF_INET, NF_IP_FORWARD, skb, skb->dev, rt->u.dst.dev, + return NF_HOOK(PF_INET, NF_INET_FORWARD, skb, skb->dev, rt->u.dst.dev, ip_forward_finish); sr_failed: @@ -122,7 +123,7 @@ sr_failed: too_many_hops: /* Tell the sender its packet died... */ - IP_INC_STATS_BH(IPSTATS_MIB_INHDRERRORS); + IP_INC_STATS_BH(dev_net(skb->dst->dev), IPSTATS_MIB_INHDRERRORS); icmp_send(skb, ICMP_TIME_EXCEEDED, ICMP_EXC_TTL, 0); drop: kfree_skb(skb);