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openvswitch.h: Clarify use of key attributes.
[sliver-openvswitch.git]
/
include
/
linux
/
openvswitch.h
diff --git
a/include/linux/openvswitch.h
b/include/linux/openvswitch.h
index
8e4b870
..
d7f85ff
100644
(file)
--- a/
include/linux/openvswitch.h
+++ b/
include/linux/openvswitch.h
@@
-171,7
+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
* @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
* @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