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netns xfrm: per-netns policy counts

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Signed-off-by: Alexey Dobriyan <adobriyan@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Alexey Dobriyan
2008-11-25 17:24:15 -08:00
committed by David S. Miller
parent a35f6c5de3
commit dc2caba7b3
3 changed files with 19 additions and 22 deletions
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1
include/net/netns/xfrm.h
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@@ -37,6 +37,7 @@ struct netns_xfrm {
unsigned int policy_idx_hmask;
struct hlist_head policy_inexact[XFRM_POLICY_MAX * 2];
struct xfrm_policy_hash policy_bydst[XFRM_POLICY_MAX * 2];
unsigned int policy_count[XFRM_POLICY_MAX * 2];
};
#endif

6
include/net/xfrm.h
View File

@@ -559,8 +559,6 @@ struct xfrm_mgr
extern int xfrm_register_km(struct xfrm_mgr *km);
extern int xfrm_unregister_km(struct xfrm_mgr *km);
extern unsigned int xfrm_policy_count[XFRM_POLICY_MAX*2];
/*
* This structure is used for the duration where packets are being
* transformed by IPsec. As soon as the packet leaves IPsec the
@@ -999,7 +997,7 @@ static inline int __xfrm_policy_check2(struct sock *sk, int dir,
if (sk && sk->sk_policy[XFRM_POLICY_IN])
return __xfrm_policy_check(sk, ndir, skb, family);
return (!xfrm_policy_count[dir] && !skb->sp) ||
return (!init_net.xfrm.policy_count[dir] && !skb->sp) ||
(skb->dst->flags & DST_NOPOLICY) ||
__xfrm_policy_check(sk, ndir, skb, family);
}
@@ -1051,7 +1049,7 @@ extern int __xfrm_route_forward(struct sk_buff *skb, unsigned short family);
static inline int xfrm_route_forward(struct sk_buff *skb, unsigned short family)
{
return !xfrm_policy_count[XFRM_POLICY_OUT] ||
return !init_net.xfrm.policy_count[XFRM_POLICY_OUT] ||
(skb->dst->flags & DST_NOXFRM) ||
__xfrm_route_forward(skb, family);
}