X-Git-Url: http://git.onelab.eu/?a=blobdiff_plain;f=include%2Flinux%2Fopenvswitch.h;h=d7f85ffa8e64fae529866ca080bb1399dc87886a;hb=f053752fc64abedd834fbbc40fcab60b7c0a7e8f;hp=544c5ba55ca75a41a6f3b0114a445820ee8333fb;hpb=7804df205faf285037994c7d222dfd45d5c00c49;p=sliver-openvswitch.git

diff --git a/include/linux/openvswitch.h b/include/linux/openvswitch.h
index 544c5ba55..d7f85ffa8 100644
--- a/include/linux/openvswitch.h
+++ b/include/linux/openvswitch.h
@@ -109,6 +109,7 @@ enum ovs_datapath_attr {
 
 #define OVS_DP_ATTR_MAX (__OVS_DP_ATTR_MAX - 1)
 
+/* All 64-bit integers within Netlink messages are 4-byte aligned only. */
 struct ovs_dp_stats {
 	__u64 n_hit;             /* Number of flow table matches. */
 	__u64 n_missed;          /* Number of flow table misses. */
@@ -170,7 +171,9 @@ enum ovs_packet_cmd {
  * @OVS_PACKET_ATTR_KEY: Present for all notifications.  Contains the flow key
  * extracted from the packet as nested %OVS_KEY_ATTR_* attributes.  This allows
  * userspace to adapt its flow setup strategy by comparing its notion of the
- * flow key against the kernel's.
+ * flow key against the kernel's.  When used with %OVS_PACKET_CMD_EXECUTE, only
+ * metadata key fields (e.g. priority, skb mark) are honored.  All the packet
+ * header fields are parsed from the packet instead.
  * @OVS_PACKET_ATTR_ACTIONS: Contains actions for the packet.  Used
  * for %OVS_PACKET_CMD_EXECUTE.  It has nested %OVS_ACTION_ATTR_* attributes.
  * @OVS_PACKET_ATTR_USERDATA: Present for an %OVS_PACKET_CMD_ACTION