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path: root/net/ipv6/xfrm6_mode_tunnel.c
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Diffstat (limited to 'net/ipv6/xfrm6_mode_tunnel.c')
-rw-r--r--net/ipv6/xfrm6_mode_tunnel.c31
1 files changed, 10 insertions, 21 deletions
diff --git a/net/ipv6/xfrm6_mode_tunnel.c b/net/ipv6/xfrm6_mode_tunnel.c
index 9a43ea722481..d45ce5d44197 100644
--- a/net/ipv6/xfrm6_mode_tunnel.c
+++ b/net/ipv6/xfrm6_mode_tunnel.c
@@ -38,33 +38,22 @@ static inline void ip6ip_ecn_decapsulate(struct sk_buff *skb)
static int xfrm6_tunnel_output(struct xfrm_state *x, struct sk_buff *skb)
{
struct dst_entry *dst = skb->dst;
- struct xfrm_dst *xdst = (struct xfrm_dst*)dst;
- struct ipv6hdr *iph, *top_iph;
+ struct ipv6hdr *top_iph;
int dsfield;
- iph = ipv6_hdr(skb);
-
skb_set_network_header(skb, -x->props.header_len);
skb->mac_header = skb->network_header +
offsetof(struct ipv6hdr, nexthdr);
- skb->transport_header = skb->network_header + sizeof(*iph);
+ skb->transport_header = skb->network_header + sizeof(*top_iph);
top_iph = ipv6_hdr(skb);
top_iph->version = 6;
- if (xdst->route->ops->family == AF_INET6) {
- top_iph->priority = iph->priority;
- top_iph->flow_lbl[0] = iph->flow_lbl[0];
- top_iph->flow_lbl[1] = iph->flow_lbl[1];
- top_iph->flow_lbl[2] = iph->flow_lbl[2];
- top_iph->nexthdr = IPPROTO_IPV6;
- } else {
- top_iph->priority = 0;
- top_iph->flow_lbl[0] = 0;
- top_iph->flow_lbl[1] = 0;
- top_iph->flow_lbl[2] = 0;
- top_iph->nexthdr = IPPROTO_IPIP;
- }
- dsfield = ipv6_get_dsfield(top_iph);
+
+ memcpy(top_iph->flow_lbl, XFRM_MODE_SKB_CB(skb)->flow_lbl,
+ sizeof(top_iph->flow_lbl));
+ top_iph->nexthdr = x->inner_mode->afinfo->proto;
+
+ dsfield = XFRM_MODE_SKB_CB(skb)->tos;
dsfield = INET_ECN_encapsulate(dsfield, dsfield);
if (x->props.flags & XFRM_STATE_NOECN)
dsfield &= ~INET_ECN_MASK;
@@ -72,7 +61,6 @@ static int xfrm6_tunnel_output(struct xfrm_state *x, struct sk_buff *skb)
top_iph->hop_limit = dst_metric(dst->child, RTAX_HOPLIMIT);
ipv6_addr_copy(&top_iph->saddr, (struct in6_addr *)&x->props.saddr);
ipv6_addr_copy(&top_iph->daddr, (struct in6_addr *)&x->id.daddr);
- skb->protocol = htons(ETH_P_IPV6);
return 0;
}
@@ -116,7 +104,8 @@ out:
static struct xfrm_mode xfrm6_tunnel_mode = {
.input = xfrm6_tunnel_input,
- .output = xfrm6_tunnel_output,
+ .output2 = xfrm6_tunnel_output,
+ .output = xfrm6_prepare_output,
.owner = THIS_MODULE,
.encap = XFRM_MODE_TUNNEL,
.flags = XFRM_MODE_FLAG_TUNNEL,