datapath: Update 'struct ovs_skb_cb' comments.

diff --git a/datapath/datapath.h b/datapath/datapath.h
index 991a7e818a63813089ff5d6b63629f29143707e5..8e272836e0d05964d280dd57872d784dda623212 100644 (file)
--- a/datapath/datapath.h
+++ b/datapath/datapath.h
@@ -143,9 +143,11 @@ enum csum_type {
 
 /**
  * struct ovs_skb_cb - OVS data in skb CB
- * @br_port: The bridge port on which the skb entered the switch.
+ * @dp_port: The datapath port on which the skb entered the switch.
  * @ip_summed: Consistently stores L4 checksumming status across different
  * kernel versions.
+ * @tun_id: ID (in network byte order) of the tunnel that encapsulated this
+ * packet. It is 0 if the packet was not received on a tunnel.
  */
 struct ovs_skb_cb {
        struct dp_port          *dp_port;