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net: Merge dst_output and dst_output_sk 

Add a sock paramter to dst_output making dst_output_sk superfluous.
Add a skb->sk parameter to all of the callers of dst_output
Have the callers of dst_output_sk call dst_output.

Signed-off-by: "Eric W. Biederman" <ebiederm@xmission.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Eric W. Biederman 2015-09-15 20:03:53 -05:00 committed by David S. Miller
parent a6568b2425
commit 5a70649e0d
19 changed files with 26 additions and 30 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

6
include/net/dst.h
View File

@ -454,14 +454,10 @@ static inline void dst_set_expires(struct dst_entry *dst, int timeout)
}
/* Output packet to network from transport. */
static inline int dst_output_sk(struct sock *sk, struct sk_buff *skb)
static inline int dst_output(struct sock *sk, struct sk_buff *skb)
{
return skb_dst(skb)->output(sk, skb);
}
static inline int dst_output(struct sk_buff *skb)
{
return dst_output_sk(skb->sk, skb);
}
/* Input packet from network to transport. */
static inline int dst_input(struct sk_buff *skb)

4
net/decnet/dn_nsp_out.c
View File

@ -85,7 +85,7 @@ static void dn_nsp_send(struct sk_buff *skb)
if (dst) {
try_again:
skb_dst_set(skb, dst);
dst_output(skb);
dst_output(skb->sk, skb);
return;
}
@ -582,7 +582,7 @@ static __inline__ void dn_nsp_do_disc(struct sock *sk, unsigned char msgflg,
* associations.
*/
skb_dst_set(skb, dst_clone(dst));
dst_output(skb);
dst_output(skb->sk, skb);
}

2
net/ipv4/ip_forward.c
View File

@ -72,7 +72,7 @@ static int ip_forward_finish(struct sock *sk, struct sk_buff *skb)
ip_forward_options(skb);
skb_sender_cpu_clear(skb);
return dst_output_sk(sk, skb);
return dst_output(sk, skb);
}
int ip_forward(struct sk_buff *skb)

6
net/ipv4/ip_output.c
View File

@ -102,7 +102,7 @@ static int __ip_local_out_sk(struct sock *sk, struct sk_buff *skb)
iph->tot_len = htons(skb->len);
ip_send_check(iph);
return nf_hook(NFPROTO_IPV4, NF_INET_LOCAL_OUT, sk, skb, NULL,
skb_dst(skb)->dev, dst_output_sk);
skb_dst(skb)->dev, dst_output);
}
int __ip_local_out(struct sk_buff *skb)
@ -116,7 +116,7 @@ int ip_local_out_sk(struct sock *sk, struct sk_buff *skb)
err = __ip_local_out(skb);
if (likely(err == 1))
err = dst_output_sk(sk, skb);
err = dst_output(sk, skb);
return err;
}
@ -271,7 +271,7 @@ static int ip_finish_output(struct sock *sk, struct sk_buff *skb)
/* Policy lookup after SNAT yielded a new policy */
if (skb_dst(skb)->xfrm) {
IPCB(skb)->flags |= IPSKB_REROUTED;
return dst_output_sk(sk, skb);
return dst_output(sk, skb);
}
#endif
mtu = ip_skb_dst_mtu(skb);

2
net/ipv4/ip_vti.c
View File

@ -197,7 +197,7 @@ static netdev_tx_t vti_xmit(struct sk_buff *skb, struct net_device *dev,
skb_dst_set(skb, dst);
skb->dev = skb_dst(skb)->dev;
err = dst_output(skb);
err = dst_output(skb->sk, skb);
if (net_xmit_eval(err) == 0)
err = skb->len;
iptunnel_xmit_stats(err, &dev->stats, dev->tstats);

2
net/ipv4/ipmr.c
View File

@ -1688,7 +1688,7 @@ static inline int ipmr_forward_finish(struct sock *sk, struct sk_buff *skb)
if (unlikely(opt->optlen))
ip_forward_options(skb);
return dst_output_sk(sk, skb);
return dst_output(sk, skb);
}
/*

2
net/ipv4/raw.c
View File

@ -412,7 +412,7 @@ static int raw_send_hdrinc(struct sock *sk, struct flowi4 *fl4,
skb_transport_header(skb))->type);
err = NF_HOOK(NFPROTO_IPV4, NF_INET_LOCAL_OUT, sk, skb,
NULL, rt->dst.dev, dst_output_sk);
NULL, rt->dst.dev, dst_output);
if (err > 0)
err = net_xmit_errno(err);
if (err)

2
net/ipv4/xfrm4_output.c
View File

@ -87,7 +87,7 @@ static int __xfrm4_output(struct sock *sk, struct sk_buff *skb)
#ifdef CONFIG_NETFILTER
if (!x) {
IPCB(skb)->flags |= IPSKB_REROUTED;
return dst_output_sk(sk, skb);
return dst_output(sk, skb);
}
#endif

4
net/ipv6/ip6_output.c
View File

@ -225,7 +225,7 @@ int ip6_xmit(struct sock *sk, struct sk_buff *skb, struct flowi6 *fl6,
IP6_UPD_PO_STATS(net, ip6_dst_idev(skb_dst(skb)),
IPSTATS_MIB_OUT, skb->len);
return NF_HOOK(NFPROTO_IPV6, NF_INET_LOCAL_OUT, sk, skb,
NULL, dst->dev, dst_output_sk);
NULL, dst->dev, dst_output);
}
skb->dev = dst->dev;
@ -320,7 +320,7 @@ static int ip6_forward_proxy_check(struct sk_buff *skb)
static inline int ip6_forward_finish(struct sock *sk, struct sk_buff *skb)
{
skb_sender_cpu_clear(skb);
return dst_output_sk(sk, skb);
return dst_output(sk, skb);
}
static unsigned int ip6_dst_mtu_forward(const struct dst_entry *dst)

2
net/ipv6/ip6_vti.c
View File

@ -482,7 +482,7 @@ vti6_xmit(struct sk_buff *skb, struct net_device *dev, struct flowi *fl)
return -EMSGSIZE;
}
err = dst_output(skb);
err = dst_output(skb->sk, skb);
if (net_xmit_eval(err) == 0) {
struct pcpu_sw_netstats *tstats = this_cpu_ptr(dev->tstats);

2
net/ipv6/ip6mr.c
View File

@ -1991,7 +1991,7 @@ static inline int ip6mr_forward2_finish(struct sock *sk, struct sk_buff *skb)
IPSTATS_MIB_OUTFORWDATAGRAMS);
IP6_ADD_STATS_BH(dev_net(skb_dst(skb)->dev), ip6_dst_idev(skb_dst(skb)),
IPSTATS_MIB_OUTOCTETS, skb->len);
return dst_output_sk(sk, skb);
return dst_output(sk, skb);
}
/*

4
net/ipv6/mcast.c
View File

@ -1646,7 +1646,7 @@ static void mld_sendpack(struct sk_buff *skb)
err = NF_HOOK(NFPROTO_IPV6, NF_INET_LOCAL_OUT,
net->ipv6.igmp_sk, skb, NULL, skb->dev,
dst_output_sk);
dst_output);
out:
if (!err) {
ICMP6MSGOUT_INC_STATS(net, idev, ICMPV6_MLD2_REPORT);
@ -2009,7 +2009,7 @@ static void igmp6_send(struct in6_addr *addr, struct net_device *dev, int type)
skb_dst_set(skb, dst);
err = NF_HOOK(NFPROTO_IPV6, NF_INET_LOCAL_OUT, sk, skb,
NULL, skb->dev, dst_output_sk);
NULL, skb->dev, dst_output);
out:
if (!err) {
ICMP6MSGOUT_INC_STATS(net, idev, type);

2
net/ipv6/ndisc.c
View File

@ -465,7 +465,7 @@ static void ndisc_send_skb(struct sk_buff *skb,
err = NF_HOOK(NFPROTO_IPV6, NF_INET_LOCAL_OUT, sk, skb,
NULL, dst->dev,
dst_output_sk);
dst_output);
if (!err) {
ICMP6MSGOUT_INC_STATS(net, idev, type);
ICMP6_INC_STATS(net, idev, ICMP6_MIB_OUTMSGS);

4
net/ipv6/output_core.c
View File

@ -149,7 +149,7 @@ static int __ip6_local_out_sk(struct sock *sk, struct sk_buff *skb)
IP6CB(skb)->nhoff = offsetof(struct ipv6hdr, nexthdr);
return nf_hook(NFPROTO_IPV6, NF_INET_LOCAL_OUT, sk, skb,
NULL, skb_dst(skb)->dev, dst_output_sk);
NULL, skb_dst(skb)->dev, dst_output);
}
int __ip6_local_out(struct sk_buff *skb)
@ -164,7 +164,7 @@ int ip6_local_out_sk(struct sock *sk, struct sk_buff *skb)
err = __ip6_local_out_sk(sk, skb);
if (likely(err == 1))
err = dst_output_sk(sk, skb);
err = dst_output(sk, skb);
return err;
}

2
net/ipv6/raw.c
View File

@ -654,7 +654,7 @@ static int rawv6_send_hdrinc(struct sock *sk, struct msghdr *msg, int length,
IP6_UPD_PO_STATS(sock_net(sk), rt->rt6i_idev, IPSTATS_MIB_OUT, skb->len);
err = NF_HOOK(NFPROTO_IPV6, NF_INET_LOCAL_OUT, sk, skb,
NULL, rt->dst.dev, dst_output_sk);
NULL, rt->dst.dev, dst_output);
if (err > 0)
err = net_xmit_errno(err);
if (err)

2
net/ipv6/xfrm6_output.c
View File

@ -140,7 +140,7 @@ static int __xfrm6_output(struct sock *sk, struct sk_buff *skb)
#ifdef CONFIG_NETFILTER
if (!x) {
IP6CB(skb)->flags |= IP6SKB_REROUTED;
return dst_output_sk(sk, skb);
return dst_output(sk, skb);
}
#endif

4
net/netfilter/ipvs/ip_vs_xmit.c
View File

@ -574,7 +574,7 @@ static inline int ip_vs_nat_send_or_cont(int pf, struct sk_buff *skb,
if (!skb->sk)
skb_sender_cpu_clear(skb);
NF_HOOK(pf, NF_INET_LOCAL_OUT, NULL, skb,
NULL, skb_dst(skb)->dev, dst_output_sk);
NULL, skb_dst(skb)->dev, dst_output);
} else
ret = NF_ACCEPT;
@ -596,7 +596,7 @@ static inline int ip_vs_send_or_cont(int pf, struct sk_buff *skb,
if (!skb->sk)
skb_sender_cpu_clear(skb);
NF_HOOK(pf, NF_INET_LOCAL_OUT, NULL, skb,
NULL, skb_dst(skb)->dev, dst_output_sk);
NULL, skb_dst(skb)->dev, dst_output);
} else
ret = NF_ACCEPT;
return ret;

2
net/xfrm/xfrm_output.c
View File

@ -139,7 +139,7 @@ int xfrm_output_resume(struct sk_buff *skb, int err)
goto out;
if (!skb_dst(skb)->xfrm)
return dst_output(skb);
return dst_output(skb->sk, skb);
err = nf_hook(skb_dst(skb)->ops->family,
NF_INET_POST_ROUTING, skb->sk, skb,

2
net/xfrm/xfrm_policy.c
View File

@ -1945,7 +1945,7 @@ static void xfrm_policy_queue_process(unsigned long arg)
skb_dst_drop(skb);
skb_dst_set(skb, dst);
dst_output(skb);
dst_output(skb->sk, skb);
}
out: