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| author | Florian Westphal <fw@strlen.de> | 2020-05-04 11:06:09 +0300 |
|---|---|---|
| committer | Steffen Klassert <steffen.klassert@secunet.com> | 2020-05-06 10:40:08 +0300 |
| commit | 2ab6096db2f16b3a6adbad252f1be171e649028d (patch) | |
| tree | f4a096067056306539416fec2f73f0ad27fe03be /net/ipv4/xfrm4_output.c | |
| parent | f3075f48ddb2c4d076aeda36fa0939163e4b2816 (diff) | |
| download | linux-2ab6096db2f16b3a6adbad252f1be171e649028d.tar.xz | |
xfrm: remove output_finish indirection from xfrm_state_afinfo
There are only two implementaions, one for ipv4 and one for ipv6.
Both are almost identical, they clear skb->cb[], set the TRANSFORMED flag
in IP(6)CB and then call the common xfrm_output() function.
By placing the IPCB handling into the common function, we avoid the need
for the output_finish indirection as the output functions can simply
use xfrm_output().
Signed-off-by: Florian Westphal <fw@strlen.de>
Signed-off-by: Steffen Klassert <steffen.klassert@secunet.com>
Diffstat (limited to 'net/ipv4/xfrm4_output.c')
| -rw-r--r-- | net/ipv4/xfrm4_output.c | 23 |
1 files changed, 1 insertions, 22 deletions
diff --git a/net/ipv4/xfrm4_output.c b/net/ipv4/xfrm4_output.c index 21c8fa0a31ed..502eb189d852 100644 --- a/net/ipv4/xfrm4_output.c +++ b/net/ipv4/xfrm4_output.c @@ -14,22 +14,9 @@ #include <net/xfrm.h> #include <net/icmp.h> -int xfrm4_output_finish(struct sock *sk, struct sk_buff *skb) -{ - memset(IPCB(skb), 0, sizeof(*IPCB(skb))); - -#ifdef CONFIG_NETFILTER - IPCB(skb)->flags |= IPSKB_XFRM_TRANSFORMED; -#endif - - return xfrm_output(sk, skb); -} - static int __xfrm4_output(struct net *net, struct sock *sk, struct sk_buff *skb) { struct xfrm_state *x = skb_dst(skb)->xfrm; - const struct xfrm_state_afinfo *afinfo; - int ret = -EAFNOSUPPORT; #ifdef CONFIG_NETFILTER if (!x) { @@ -38,15 +25,7 @@ static int __xfrm4_output(struct net *net, struct sock *sk, struct sk_buff *skb) } #endif - rcu_read_lock(); - afinfo = xfrm_state_afinfo_get_rcu(x->outer_mode.family); - if (likely(afinfo)) - ret = afinfo->output_finish(sk, skb); - else - kfree_skb(skb); - rcu_read_unlock(); - - return ret; + return xfrm_output(sk, skb); } int xfrm4_output(struct net *net, struct sock *sk, struct sk_buff *skb) |