[XFRM]: Add XFRM_MODE_xxx for future use.
[linux-2.6.git] / net / ipv6 / xfrm6_output.c
index 16e8425..26f1886 100644 (file)
@@ -41,13 +41,13 @@ static int xfrm6_output_one(struct sk_buff *skb)
        struct xfrm_state *x = dst->xfrm;
        int err;
        
-       if (skb->ip_summed == CHECKSUM_HW) {
-               err = skb_checksum_help(skb, 0);
+       if (skb->ip_summed == CHECKSUM_PARTIAL) {
+               err = skb_checksum_help(skb);
                if (err)
                        goto error_nolock;
        }
 
-       if (x->props.mode) {
+       if (x->props.mode == XFRM_MODE_TUNNEL) {
                err = xfrm6_tunnel_check_size(skb);
                if (err)
                        goto error_nolock;
@@ -80,7 +80,7 @@ static int xfrm6_output_one(struct sk_buff *skb)
                }
                dst = skb->dst;
                x = dst->xfrm;
-       } while (x && !x->props.mode);
+       } while (x && (x->props.mode != XFRM_MODE_TUNNEL));
 
        IP6CB(skb)->flags |= IP6SKB_XFRM_TRANSFORMED;
        err = 0;
@@ -94,7 +94,7 @@ error_nolock:
        goto out_exit;
 }
 
-static int xfrm6_output_finish(struct sk_buff *skb)
+static int xfrm6_output_finish2(struct sk_buff *skb)
 {
        int err;
 
@@ -110,7 +110,7 @@ static int xfrm6_output_finish(struct sk_buff *skb)
                        return dst_output(skb);
 
                err = nf_hook(PF_INET6, NF_IP6_POST_ROUTING, &skb, NULL,
-                             skb->dst->dev, xfrm6_output_finish);
+                             skb->dst->dev, xfrm6_output_finish2);
                if (unlikely(err != 1))
                        break;
        }
@@ -118,6 +118,41 @@ static int xfrm6_output_finish(struct sk_buff *skb)
        return err;
 }
 
+static int xfrm6_output_finish(struct sk_buff *skb)
+{
+       struct sk_buff *segs;
+
+       if (!skb_is_gso(skb))
+               return xfrm6_output_finish2(skb);
+
+       skb->protocol = htons(ETH_P_IPV6);
+       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 = xfrm6_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;
+}
+
 int xfrm6_output(struct sk_buff *skb)
 {
        return NF_HOOK(PF_INET6, NF_IP6_POST_ROUTING, skb, NULL, skb->dst->dev,