diff options
Diffstat (limited to 'net/ipv4/ip_output.c')
-rw-r--r-- | net/ipv4/ip_output.c | 42 |
1 files changed, 18 insertions, 24 deletions
diff --git a/net/ipv4/ip_output.c b/net/ipv4/ip_output.c index 911ea739049a..67404e1fe7d4 100644 --- a/net/ipv4/ip_output.c +++ b/net/ipv4/ip_output.c @@ -96,34 +96,28 @@ void ip_send_check(struct iphdr *iph) } EXPORT_SYMBOL(ip_send_check); -static int __ip_local_out_sk(struct sock *sk, struct sk_buff *skb) +int __ip_local_out(struct net *net, struct sock *sk, struct sk_buff *skb) { - struct net *net = dev_net(skb_dst(skb)->dev); struct iphdr *iph = ip_hdr(skb); iph->tot_len = htons(skb->len); ip_send_check(iph); return nf_hook(NFPROTO_IPV4, NF_INET_LOCAL_OUT, net, sk, skb, NULL, skb_dst(skb)->dev, - dst_output_okfn); + dst_output); } -int __ip_local_out(struct sk_buff *skb) -{ - return __ip_local_out_sk(skb->sk, skb); -} - -int ip_local_out_sk(struct sock *sk, struct sk_buff *skb) +int ip_local_out(struct net *net, struct sock *sk, struct sk_buff *skb) { int err; - err = __ip_local_out(skb); + err = __ip_local_out(net, sk, skb); if (likely(err == 1)) - err = dst_output(sk, skb); + err = dst_output(net, sk, skb); return err; } -EXPORT_SYMBOL_GPL(ip_local_out_sk); +EXPORT_SYMBOL_GPL(ip_local_out); static inline int ip_select_ttl(struct inet_sock *inet, struct dst_entry *dst) { @@ -143,6 +137,7 @@ int ip_build_and_send_pkt(struct sk_buff *skb, const struct sock *sk, { struct inet_sock *inet = inet_sk(sk); struct rtable *rt = skb_rtable(skb); + struct net *net = sock_net(sk); struct iphdr *iph; /* Build the IP header. */ @@ -161,7 +156,7 @@ int ip_build_and_send_pkt(struct sk_buff *skb, const struct sock *sk, iph->id = 0; } else { iph->frag_off = 0; - __ip_select_ident(sock_net(sk), iph, 1); + __ip_select_ident(net, iph, 1); } if (opt && opt->opt.optlen) { @@ -173,7 +168,7 @@ int ip_build_and_send_pkt(struct sk_buff *skb, const struct sock *sk, skb->mark = sk->sk_mark; /* Send it out. */ - return ip_local_out(skb); + return ip_local_out(net, skb->sk, skb); } EXPORT_SYMBOL_GPL(ip_build_and_send_pkt); @@ -276,7 +271,7 @@ static int ip_finish_output(struct net *net, struct sock *sk, struct sk_buff *sk /* Policy lookup after SNAT yielded a new policy */ if (skb_dst(skb)->xfrm) { IPCB(skb)->flags |= IPSKB_REROUTED; - return dst_output(sk, skb); + return dst_output(net, sk, skb); } #endif mtu = ip_skb_dst_mtu(skb); @@ -289,11 +284,10 @@ static int ip_finish_output(struct net *net, struct sock *sk, struct sk_buff *sk return ip_finish_output2(net, sk, skb); } -int ip_mc_output(struct sock *sk, struct sk_buff *skb) +int ip_mc_output(struct net *net, struct sock *sk, struct sk_buff *skb) { struct rtable *rt = skb_rtable(skb); struct net_device *dev = rt->dst.dev; - struct net *net = dev_net(dev); /* * If the indicated interface is up and running, send the packet. @@ -352,10 +346,9 @@ int ip_mc_output(struct sock *sk, struct sk_buff *skb) !(IPCB(skb)->flags & IPSKB_REROUTED)); } -int ip_output(struct sock *sk, struct sk_buff *skb) +int ip_output(struct net *net, struct sock *sk, struct sk_buff *skb) { struct net_device *dev = skb_dst(skb)->dev; - struct net *net = dev_net(dev); IP_UPD_PO_STATS(net, IPSTATS_MIB_OUT, skb->len); @@ -386,6 +379,7 @@ static void ip_copy_addrs(struct iphdr *iph, const struct flowi4 *fl4) int ip_queue_xmit(struct sock *sk, struct sk_buff *skb, struct flowi *fl) { struct inet_sock *inet = inet_sk(sk); + struct net *net = sock_net(sk); struct ip_options_rcu *inet_opt; struct flowi4 *fl4; struct rtable *rt; @@ -416,7 +410,7 @@ int ip_queue_xmit(struct sock *sk, struct sk_buff *skb, struct flowi *fl) * keep trying until route appears or the connection times * itself out. */ - rt = ip_route_output_ports(sock_net(sk), fl4, sk, + rt = ip_route_output_ports(net, fl4, sk, daddr, inet->inet_saddr, inet->inet_dport, inet->inet_sport, @@ -453,20 +447,20 @@ packet_routed: ip_options_build(skb, &inet_opt->opt, inet->inet_daddr, rt, 0); } - ip_select_ident_segs(sock_net(sk), skb, sk, + ip_select_ident_segs(net, skb, sk, skb_shinfo(skb)->gso_segs ?: 1); /* TODO : should we use skb->sk here instead of sk ? */ skb->priority = sk->sk_priority; skb->mark = sk->sk_mark; - res = ip_local_out(skb); + res = ip_local_out(net, sk, skb); rcu_read_unlock(); return res; no_route: rcu_read_unlock(); - IP_INC_STATS(sock_net(sk), IPSTATS_MIB_OUTNOROUTES); + IP_INC_STATS(net, IPSTATS_MIB_OUTNOROUTES); kfree_skb(skb); return -EHOSTUNREACH; } @@ -1440,7 +1434,7 @@ int ip_send_skb(struct net *net, struct sk_buff *skb) { int err; - err = ip_local_out(skb); + err = ip_local_out(net, skb->sk, skb); if (err) { if (err > 0) err = net_xmit_errno(err); |