diff options
Diffstat (limited to 'net/ipv6/ip6_output.c')
| -rw-r--r-- | net/ipv6/ip6_output.c | 56 |
1 files changed, 41 insertions, 15 deletions
diff --git a/net/ipv6/ip6_output.c b/net/ipv6/ip6_output.c index 3bef30e4a23..15c4f6cee3e 100644 --- a/net/ipv6/ip6_output.c +++ b/net/ipv6/ip6_output.c @@ -29,7 +29,7 @@ */ #include <linux/errno.h> -#include <linux/types.h> +#include <linux/kernel.h> #include <linux/string.h> #include <linux/socket.h> #include <linux/net.h> @@ -70,6 +70,31 @@ static __inline__ void ipv6_select_ident(struct sk_buff *skb, struct frag_hdr *f spin_unlock_bh(&ip6_id_lock); } +int __ip6_local_out(struct sk_buff *skb) +{ + int len; + + len = skb->len - sizeof(struct ipv6hdr); + if (len > IPV6_MAXPLEN) + len = 0; + ipv6_hdr(skb)->payload_len = htons(len); + + return nf_hook(PF_INET6, NF_INET_LOCAL_OUT, skb, NULL, skb->dst->dev, + dst_output); +} + +int ip6_local_out(struct sk_buff *skb) +{ + int err; + + err = __ip6_local_out(skb); + if (likely(err == 1)) + err = dst_output(skb); + + return err; +} +EXPORT_SYMBOL_GPL(ip6_local_out); + static int ip6_output_finish(struct sk_buff *skb) { struct dst_entry *dst = skb->dst; @@ -120,8 +145,8 @@ static int ip6_output2(struct sk_buff *skb) is not supported in any case. */ if (newskb) - NF_HOOK(PF_INET6, NF_IP6_POST_ROUTING, newskb, NULL, - newskb->dev, + NF_HOOK(PF_INET6, NF_INET_POST_ROUTING, newskb, + NULL, newskb->dev, ip6_dev_loopback_xmit); if (ipv6_hdr(skb)->hop_limit == 0) { @@ -134,7 +159,8 @@ static int ip6_output2(struct sk_buff *skb) IP6_INC_STATS(idev, IPSTATS_MIB_OUTMCASTPKTS); } - return NF_HOOK(PF_INET6, NF_IP6_POST_ROUTING, skb,NULL, skb->dev,ip6_output_finish); + return NF_HOOK(PF_INET6, NF_INET_POST_ROUTING, skb, NULL, skb->dev, + ip6_output_finish); } static inline int ip6_skb_dst_mtu(struct sk_buff *skb) @@ -236,7 +262,7 @@ int ip6_xmit(struct sock *sk, struct sk_buff *skb, struct flowi *fl, if ((skb->len <= mtu) || ipfragok || skb_is_gso(skb)) { IP6_INC_STATS(ip6_dst_idev(skb->dst), IPSTATS_MIB_OUTREQUESTS); - return NF_HOOK(PF_INET6, NF_IP6_LOCAL_OUT, skb, NULL, dst->dev, + return NF_HOOK(PF_INET6, NF_INET_LOCAL_OUT, skb, NULL, dst->dev, dst_output); } @@ -423,7 +449,7 @@ int ip6_forward(struct sk_buff *skb) /* XXX: idev->cnf.proxy_ndp? */ if (ipv6_devconf.proxy_ndp && - pneigh_lookup(&nd_tbl, &hdr->daddr, skb->dev, 0)) { + pneigh_lookup(&nd_tbl, &init_net, &hdr->daddr, skb->dev, 0)) { int proxied = ip6_forward_proxy_check(skb); if (proxied > 0) return ip6_input(skb); @@ -500,7 +526,8 @@ int ip6_forward(struct sk_buff *skb) hdr->hop_limit--; IP6_INC_STATS_BH(ip6_dst_idev(dst), IPSTATS_MIB_OUTFORWDATAGRAMS); - return NF_HOOK(PF_INET6,NF_IP6_FORWARD, skb, skb->dev, dst->dev, ip6_forward_finish); + 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); @@ -909,7 +936,8 @@ static int ip6_dst_lookup_tail(struct sock *sk, struct flowi fl_gw; int redirect; - ifp = ipv6_get_ifaddr(&fl->fl6_src, (*dst)->dev, 1); + ifp = ipv6_get_ifaddr(&init_net, &fl->fl6_src, + (*dst)->dev, 1); redirect = (ifp && ifp->flags & IFA_F_OPTIMISTIC); if (ifp) @@ -1098,7 +1126,8 @@ int ip6_append_data(struct sock *sk, int getfrag(void *from, char *to, inet->cork.length = 0; sk->sk_sndmsg_page = NULL; sk->sk_sndmsg_off = 0; - exthdrlen = rt->u.dst.header_len + (opt ? opt->opt_flen : 0); + exthdrlen = rt->u.dst.header_len + (opt ? opt->opt_flen : 0) - + rt->rt6i_nfheader_len; length += exthdrlen; transhdrlen += exthdrlen; } else { @@ -1113,7 +1142,8 @@ int ip6_append_data(struct sock *sk, int getfrag(void *from, char *to, hh_len = LL_RESERVED_SPACE(rt->u.dst.dev); - fragheaderlen = sizeof(struct ipv6hdr) + rt->u.dst.nfheader_len + (opt ? opt->opt_nflen : 0); + fragheaderlen = sizeof(struct ipv6hdr) + rt->rt6i_nfheader_len + + (opt ? opt->opt_nflen : 0); maxfraglen = ((mtu - fragheaderlen) & ~7) + fragheaderlen - sizeof(struct frag_hdr); if (mtu <= sizeof(struct ipv6hdr) + IPV6_MAXPLEN) { @@ -1401,10 +1431,6 @@ int ip6_push_pending_frames(struct sock *sk) *(__be32*)hdr = fl->fl6_flowlabel | htonl(0x60000000 | ((int)np->cork.tclass << 20)); - if (skb->len <= sizeof(struct ipv6hdr) + IPV6_MAXPLEN) - hdr->payload_len = htons(skb->len - sizeof(struct ipv6hdr)); - else - hdr->payload_len = 0; hdr->hop_limit = np->cork.hop_limit; hdr->nexthdr = proto; ipv6_addr_copy(&hdr->saddr, &fl->fl6_src); @@ -1421,7 +1447,7 @@ int ip6_push_pending_frames(struct sock *sk) ICMP6_INC_STATS_BH(idev, ICMP6_MIB_OUTMSGS); } - err = NF_HOOK(PF_INET6, NF_IP6_LOCAL_OUT, skb, NULL, skb->dst->dev, dst_output); + err = ip6_local_out(skb); if (err) { if (err > 0) err = np->recverr ? net_xmit_errno(err) : 0; |