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path: root/net/ipv4/xfrm4_output.c
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Diffstat (limited to 'net/ipv4/xfrm4_output.c')
-rw-r--r--net/ipv4/xfrm4_output.c76
1 files changed, 4 insertions, 72 deletions
diff --git a/net/ipv4/xfrm4_output.c b/net/ipv4/xfrm4_output.c
index 0ffc3d078489..2fb4efa3ff2c 100644
--- a/net/ipv4/xfrm4_output.c
+++ b/net/ipv4/xfrm4_output.c
@@ -59,7 +59,7 @@ int xfrm4_prepare_output(struct xfrm_state *x, struct sk_buff *skb)
return err;
memset(IPCB(skb), 0, sizeof(*IPCB(skb)));
- IPCB(skb)->flags |= IPSKB_XFRM_TUNNEL_SIZE;
+ IPCB(skb)->flags |= IPSKB_XFRM_TUNNEL_SIZE | IPSKB_XFRM_TRANSFORMED;
skb->protocol = htons(ETH_P_IP);
@@ -67,87 +67,19 @@ int xfrm4_prepare_output(struct xfrm_state *x, struct sk_buff *skb)
}
EXPORT_SYMBOL(xfrm4_prepare_output);
-static inline int xfrm4_output_one(struct sk_buff *skb)
-{
- int err;
-
- err = xfrm_output(skb);
- if (err)
- goto error_nolock;
-
- IPCB(skb)->flags |= IPSKB_XFRM_TRANSFORMED;
- err = 0;
-
-out_exit:
- return err;
-error_nolock:
- kfree_skb(skb);
- goto out_exit;
-}
-
-static int xfrm4_output_finish2(struct sk_buff *skb)
-{
- int err;
-
- while (likely((err = xfrm4_output_one(skb)) == 0)) {
- nf_reset(skb);
-
- err = __ip_local_out(skb);
- if (unlikely(err != 1))
- break;
-
- if (!skb->dst->xfrm)
- return dst_output(skb);
-
- err = nf_hook(PF_INET, NF_IP_POST_ROUTING, skb, NULL,
- skb->dst->dev, xfrm4_output_finish2);
- if (unlikely(err != 1))
- break;
- }
-
- return err;
-}
-
static int xfrm4_output_finish(struct sk_buff *skb)
{
- struct sk_buff *segs;
-
#ifdef CONFIG_NETFILTER
if (!skb->dst->xfrm) {
IPCB(skb)->flags |= IPSKB_REROUTED;
return dst_output(skb);
}
-#endif
- if (!skb_is_gso(skb))
- return xfrm4_output_finish2(skb);
+ IPCB(skb)->flags |= IPSKB_XFRM_TRANSFORMED;
+#endif
skb->protocol = htons(ETH_P_IP);
- segs = skb_gso_segment(skb, 0);
- kfree_skb(skb);
- if (unlikely(IS_ERR(segs)))
- return PTR_ERR(segs);
-
- do {
- struct sk_buff *nskb = segs->next;
- int err;
-
- segs->next = NULL;
- err = xfrm4_output_finish2(segs);
-
- if (unlikely(err)) {
- while ((segs = nskb)) {
- nskb = segs->next;
- segs->next = NULL;
- kfree_skb(segs);
- }
- return err;
- }
-
- segs = nskb;
- } while (segs);
-
- return 0;
+ return xfrm_output(skb);
}
int xfrm4_output(struct sk_buff *skb)