summaryrefslogtreecommitdiff
path: root/include/linux/openvswitch.h
diff options
context:
space:
mode:
authorAlex Wang <alexw@nicira.com>2014-04-14 23:37:10 -0700
committerAlex Wang <alexw@nicira.com>2014-04-14 23:47:37 -0700
commitbeb1c69a3a661dbc0232aeb9831c14788f84eb24 (patch)
treedd376a019f9ee4432a11be37bc7449f498d73bdc /include/linux/openvswitch.h
parentc6855ec5147dd801875ff3bb8959b9d2d7bc5bb0 (diff)
downloadopenvswitch-beb1c69a3a661dbc0232aeb9831c14788f84eb24.tar.gz
datapath: Allow each vport to have an array of 'port_id's.
In order to allow handlers directly read upcalls from datapath, we need to support per-handler netlink socket for each vport in datapath. This commit makes this happen. Also, it is guaranteed to be backward compatible with previous branch. Signed-off-by: Alex Wang <alexw@nicira.com> Acked-by: Thomas Graf <tgraf@redhat.com> Acked-by: Pravin B Shelar <pshelar@nicira.com>
Diffstat (limited to 'include/linux/openvswitch.h')
-rw-r--r--include/linux/openvswitch.h13
1 files changed, 9 insertions, 4 deletions
diff --git a/include/linux/openvswitch.h b/include/linux/openvswitch.h
index a88f6f123..b3977d1a5 100644
--- a/include/linux/openvswitch.h
+++ b/include/linux/openvswitch.h
@@ -138,6 +138,9 @@ struct ovs_vport_stats {
/* Allow last Netlink attribute to be unaligned */
#define OVS_DP_F_UNALIGNED (1 << 0)
+/* Allow datapath to associate multiple Netlink PIDs to each vport */
+#define OVS_DP_F_VPORT_PIDS (1 << 1)
+
/* Fixed logical ports. */
#define OVSP_LOCAL ((__u32)0)
@@ -225,9 +228,10 @@ enum ovs_vport_type {
* this is the name of the network device. Maximum length %IFNAMSIZ-1 bytes
* plus a null terminator.
* @OVS_VPORT_ATTR_OPTIONS: Vport-specific configuration information.
- * @OVS_VPORT_ATTR_UPCALL_PID: The Netlink socket in userspace that
- * OVS_PACKET_CMD_MISS upcalls will be directed to for packets received on
- * this port. A value of zero indicates that upcalls should not be sent.
+ * @OVS_VPORT_ATTR_UPCALL_PID: The array of Netlink socket pids in userspace
+ * among which OVS_PACKET_CMD_MISS upcalls will be distributed for packets
+ * received on this port. If this is a single-element array of value 0,
+ * upcalls should not be sent.
* @OVS_VPORT_ATTR_STATS: A &struct ovs_vport_stats giving statistics for
* packets sent or received through the vport.
*
@@ -251,7 +255,8 @@ enum ovs_vport_attr {
OVS_VPORT_ATTR_TYPE, /* u32 OVS_VPORT_TYPE_* constant. */
OVS_VPORT_ATTR_NAME, /* string name, up to IFNAMSIZ bytes long */
OVS_VPORT_ATTR_OPTIONS, /* nested attributes, varies by vport type */
- OVS_VPORT_ATTR_UPCALL_PID, /* u32 Netlink PID to receive upcalls */
+ OVS_VPORT_ATTR_UPCALL_PID, /* array of u32 Netlink socket PIDs for */
+ /* receiving upcalls */
OVS_VPORT_ATTR_STATS, /* struct ovs_vport_stats */
__OVS_VPORT_ATTR_MAX
};