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Diffstat (limited to 'net/xfrm')
-rw-r--r--net/xfrm/xfrm_output.c21
-rw-r--r--net/xfrm/xfrm_policy.c9
-rw-r--r--net/xfrm/xfrm_state.c7
3 files changed, 24 insertions, 13 deletions
diff --git a/net/xfrm/xfrm_output.c b/net/xfrm/xfrm_output.c
index eb4a8428864..3bb2cdc13b4 100644
--- a/net/xfrm/xfrm_output.c
+++ b/net/xfrm/xfrm_output.c
@@ -214,5 +214,26 @@ int xfrm_inner_extract_output(struct xfrm_state *x, struct sk_buff *skb)
return inner_mode->afinfo->extract_output(x, skb);
}
+void xfrm_local_error(struct sk_buff *skb, int mtu)
+{
+ unsigned int proto;
+ struct xfrm_state_afinfo *afinfo;
+
+ if (skb->protocol == htons(ETH_P_IP))
+ proto = AF_INET;
+ else if (skb->protocol == htons(ETH_P_IPV6))
+ proto = AF_INET6;
+ else
+ return;
+
+ afinfo = xfrm_state_get_afinfo(proto);
+ if (!afinfo)
+ return;
+
+ afinfo->local_error(skb, mtu);
+ xfrm_state_put_afinfo(afinfo);
+}
+
EXPORT_SYMBOL_GPL(xfrm_output);
EXPORT_SYMBOL_GPL(xfrm_inner_extract_output);
+EXPORT_SYMBOL_GPL(xfrm_local_error);
diff --git a/net/xfrm/xfrm_policy.c b/net/xfrm/xfrm_policy.c
index ad8cc7bcf06..ed38d5d81f9 100644
--- a/net/xfrm/xfrm_policy.c
+++ b/net/xfrm/xfrm_policy.c
@@ -320,10 +320,8 @@ static void xfrm_queue_purge(struct sk_buff_head *list)
{
struct sk_buff *skb;
- while ((skb = skb_dequeue(list)) != NULL) {
- dev_put(skb->dev);
+ while ((skb = skb_dequeue(list)) != NULL)
kfree_skb(skb);
- }
}
/* Rule must be locked. Release descentant resources, announce
@@ -1764,7 +1762,6 @@ static void xfrm_policy_queue_process(unsigned long arg)
struct sk_buff *skb;
struct sock *sk;
struct dst_entry *dst;
- struct net_device *dev;
struct xfrm_policy *pol = (struct xfrm_policy *)arg;
struct xfrm_policy_queue *pq = &pol->polq;
struct flowi fl;
@@ -1811,7 +1808,6 @@ static void xfrm_policy_queue_process(unsigned long arg)
dst = xfrm_lookup(xp_net(pol), skb_dst(skb)->path,
&fl, skb->sk, 0);
if (IS_ERR(dst)) {
- dev_put(skb->dev);
kfree_skb(skb);
continue;
}
@@ -1820,9 +1816,7 @@ static void xfrm_policy_queue_process(unsigned long arg)
skb_dst_drop(skb);
skb_dst_set(skb, dst);
- dev = skb->dev;
err = dst_output(skb);
- dev_put(dev);
}
return;
@@ -1845,7 +1839,6 @@ static int xdst_queue_output(struct sk_buff *skb)
}
skb_dst_force(skb);
- dev_hold(skb->dev);
spin_lock_bh(&pq->hold_queue.lock);
diff --git a/net/xfrm/xfrm_state.c b/net/xfrm/xfrm_state.c
index 4f8ace85586..b9c3f9e943a 100644
--- a/net/xfrm/xfrm_state.c
+++ b/net/xfrm/xfrm_state.c
@@ -39,9 +39,6 @@ static DEFINE_SPINLOCK(xfrm_state_lock);
static unsigned int xfrm_state_hashmax __read_mostly = 1 * 1024 * 1024;
-static struct xfrm_state_afinfo *xfrm_state_get_afinfo(unsigned int family);
-static void xfrm_state_put_afinfo(struct xfrm_state_afinfo *afinfo);
-
static inline unsigned int xfrm_dst_hash(struct net *net,
const xfrm_address_t *daddr,
const xfrm_address_t *saddr,
@@ -1863,7 +1860,7 @@ int xfrm_state_unregister_afinfo(struct xfrm_state_afinfo *afinfo)
}
EXPORT_SYMBOL(xfrm_state_unregister_afinfo);
-static struct xfrm_state_afinfo *xfrm_state_get_afinfo(unsigned int family)
+struct xfrm_state_afinfo *xfrm_state_get_afinfo(unsigned int family)
{
struct xfrm_state_afinfo *afinfo;
if (unlikely(family >= NPROTO))
@@ -1875,7 +1872,7 @@ static struct xfrm_state_afinfo *xfrm_state_get_afinfo(unsigned int family)
return afinfo;
}
-static void xfrm_state_put_afinfo(struct xfrm_state_afinfo *afinfo)
+void xfrm_state_put_afinfo(struct xfrm_state_afinfo *afinfo)
{
rcu_read_unlock();
}