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xfrm: remove output_finish indirection from xfrm_state_afinfo

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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>
This commit is contained in:
Florian Westphal
2020-05-04 10:06:09 +02:00
committed by Steffen Klassert
parent f3075f48dd
commit 2ab6096db2
6 changed files with 19 additions and 57 deletions
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include/net/xfrm.h
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@@ -361,7 +361,6 @@ struct xfrm_state_afinfo {
const struct xfrm_type *type_dstopts;
int (*output)(struct net *net, struct sock *sk, struct sk_buff *skb);
int (*output_finish)(struct sock *sk, struct sk_buff *skb);
int (*transport_finish)(struct sk_buff *skb,
int async);
void (*local_error)(struct sk_buff *skb, u32 mtu);