redonkable/remarkable-linux
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[XFRM]: Introduce a helper to compare id protocol.

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Put the helper to header for future use.
Based on MIPL2 kernel patch.

Signed-off-by: Masahide NAKAMURA <nakam@linux-ipv6.org>
Signed-off-by: YOSHIFUJI Hideaki <yoshfuji@linux-ipv6.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Masahide NAKAMURA 2006-09-22 15:06:24 -07:00 committed by David S. Miller
parent 7e49e6de30
commit 5794708f11
2 changed files with 9 additions and 3 deletions
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6
include/net/xfrm.h
View file

@ -9,6 +9,7 @@
#include <linux/skbuff.h>
#include <linux/socket.h>
#include <linux/pfkeyv2.h>
#include <linux/ipsec.h>
#include <linux/in6.h>
#include <linux/mutex.h>
@ -835,6 +836,11 @@ static inline int xfrm_state_kern(struct xfrm_state *x)
return atomic_read(&x->tunnel_users);
}
static inline int xfrm_id_proto_match(u8 proto, u8 userproto)
{
return (userproto == IPSEC_PROTO_ANY || proto == userproto);
}
/*
* xfrm algorithm information
*/

6
net/xfrm/xfrm_state.c
View file

@ -294,7 +294,7 @@ void xfrm_state_flush(u8 proto)
restart:
list_for_each_entry(x, xfrm_state_bydst+i, bydst) {
if (!xfrm_state_kern(x) &&
(proto == IPSEC_PROTO_ANY || x->id.proto == proto)) {
xfrm_id_proto_match(x->id.proto, proto)) {
xfrm_state_hold(x);
spin_unlock_bh(&xfrm_state_lock);
@ -772,7 +772,7 @@ int xfrm_state_walk(u8 proto, int (*func)(struct xfrm_state *, int, void*),
spin_lock_bh(&xfrm_state_lock);
for (i = 0; i < XFRM_DST_HSIZE; i++) {
list_for_each_entry(x, xfrm_state_bydst+i, bydst) {
if (proto == IPSEC_PROTO_ANY || x->id.proto == proto)
if (xfrm_id_proto_match(x->id.proto, proto))
count++;
}
}
@ -783,7 +783,7 @@ int xfrm_state_walk(u8 proto, int (*func)(struct xfrm_state *, int, void*),
for (i = 0; i < XFRM_DST_HSIZE; i++) {
list_for_each_entry(x, xfrm_state_bydst+i, bydst) {
if (proto != IPSEC_PROTO_ANY && x->id.proto != proto)
if (!xfrm_id_proto_match(x->id.proto, proto))
continue;
err = func(x, --count, data);
if (err)