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| author | Alex Wang <alexw@nicira.com> | 2014-04-14 23:37:10 -0700 |
|---|---|---|
| committer | Alex Wang <alexw@nicira.com> | 2014-04-14 23:47:37 -0700 |
| commit | beb1c69a3a661dbc0232aeb9831c14788f84eb24 (patch) | |
| tree | dd376a019f9ee4432a11be37bc7449f498d73bdc /include/linux/openvswitch.h | |
| parent | c6855ec5147dd801875ff3bb8959b9d2d7bc5bb0 (diff) | |
| download | openvswitch-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.h | 13 |
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 }; |