openvswitch: Drop user features if old user space attempted to create datapath

Drop user features if an outdated user space instance that does not understand the concept of user_features attempted to create a new datapath.

Thomas Graf committed 12 years ago

Commit 44da5ae1 parent 43d4be92 files · +30 −1Browse files

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@@ -40,7 +40,15 @@ struct ovs_header { · 39 unmodified lines
40	40
41	41	#define OVS_DATAPATH_FAMILY "ovs_datapath"
42	42	#define OVS_DATAPATH_MCGROUP "ovs_datapath"
43		−#define OVS_DATAPATH_VERSION 0x1
	43	+
	44	+/* V2:
	45	+ * - API users are expected to provide OVS_DP_ATTR_USER_FEATURES
	46	+ * when creating the datapath.
	47	+ */
	48	+#define OVS_DATAPATH_VERSION 2
	49	+
	50	+/* First OVS datapath version to support features */
	51	+#define OVS_DP_VER_FEATURES 2
44	52
45	53	enum ovs_datapath_cmd {
46	54	OVS_DP_CMD_UNSPEC,