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authorDave Airlie <airlied@redhat.com>2016-11-07 09:37:09 +1000
committerDave Airlie <airlied@redhat.com>2016-11-07 09:37:09 +1000
commit7b624ad8fea1be7ff4c22643e212191aa6a2a3c2 (patch)
tree41d0357d3259868cd85521c3fb9578cd2fc13831 /include/net/tcp.h
parentdc345c46774bc150ab852d2c74ee6542de438d46 (diff)
parentbc33b0ca11e3df467777a4fa7639ba488c9d4911 (diff)
downloadblackbird-op-linux-7b624ad8fea1be7ff4c22643e212191aa6a2a3c2.tar.gz
blackbird-op-linux-7b624ad8fea1be7ff4c22643e212191aa6a2a3c2.zip
Backmerge tag 'v4.9-rc4' into drm-next
Linux 4.9-rc4 This is needed for nouveau development.
Diffstat (limited to 'include/net/tcp.h')
-rw-r--r--include/net/tcp.h13
1 files changed, 12 insertions, 1 deletions
diff --git a/include/net/tcp.h b/include/net/tcp.h
index f83b7f220a65..5b82d4d94834 100644
--- a/include/net/tcp.h
+++ b/include/net/tcp.h
@@ -794,12 +794,23 @@ struct tcp_skb_cb {
*/
static inline int tcp_v6_iif(const struct sk_buff *skb)
{
- bool l3_slave = skb_l3mdev_slave(TCP_SKB_CB(skb)->header.h6.flags);
+ bool l3_slave = ipv6_l3mdev_skb(TCP_SKB_CB(skb)->header.h6.flags);
return l3_slave ? skb->skb_iif : TCP_SKB_CB(skb)->header.h6.iif;
}
#endif
+/* TCP_SKB_CB reference means this can not be used from early demux */
+static inline bool inet_exact_dif_match(struct net *net, struct sk_buff *skb)
+{
+#if IS_ENABLED(CONFIG_NET_L3_MASTER_DEV)
+ if (!net->ipv4.sysctl_tcp_l3mdev_accept &&
+ ipv4_l3mdev_skb(TCP_SKB_CB(skb)->header.h4.flags))
+ return true;
+#endif
+ return false;
+}
+
/* Due to TSO, an SKB can be composed of multiple actual
* packets. To keep these tracked properly, we use this.
*/
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