diff options
| author | Pravin <pshelar@nicira.com> | 2014-03-20 20:52:06 -0700 |
|---|---|---|
| committer | Pravin B Shelar <pshelar@nicira.com> | 2014-03-21 11:48:28 -0700 |
| commit | 55c955bd8aecc90273ffa93114c1c38f4f9b78ec (patch) | |
| tree | 7850fb4be4006a7fd7e6cbc35dc30387a0fa93fd /lib/netdev-provider.h | |
| parent | f77917408a404d4660c6fb2cbe4d4c0f9f123cf2 (diff) | |
| download | openvswitch-55c955bd8aecc90273ffa93114c1c38f4f9b78ec.tar.gz | |
netdev: Add support multiqueue recv.
new netdev type like DPDK can support multi-queue IO. Following
patch Adds support for same.
Signed-off-by: Pravin B Shelar <pshelar@nicira.com>
Acked-by: Thomas Graf <tgraf@redhat.com>
Diffstat (limited to 'lib/netdev-provider.h')
| -rw-r--r-- | lib/netdev-provider.h | 5 |
1 files changed, 5 insertions, 0 deletions
diff --git a/lib/netdev-provider.h b/lib/netdev-provider.h index 943acc9d8..f233c0cb8 100644 --- a/lib/netdev-provider.h +++ b/lib/netdev-provider.h @@ -39,6 +39,7 @@ struct netdev { this device. */ /* The following are protected by 'netdev_mutex' (internal to netdev.c). */ + int n_rxq; int ref_cnt; /* Times this devices was opened. */ struct shash_node *node; /* Pointer to element in global map. */ struct list saved_flags_list; /* Contains "struct netdev_saved_flags". */ @@ -59,6 +60,7 @@ void netdev_get_devices(const struct netdev_class *, * None of these members change during the lifetime of a struct netdev_rxq. */ struct netdev_rxq { struct netdev *netdev; /* Owns a reference to the netdev. */ + int queue_id; }; struct netdev *netdev_rxq_get_netdev(const struct netdev_rxq *); @@ -127,6 +129,9 @@ struct netdev *netdev_rxq_get_netdev(const struct netdev_rxq *); * implementation must not refer to base or derived state in the data * structure, because it has already been uninitialized. * + * If netdev support multi-queue IO then netdev->construct should set initialize + * netdev->n_rxq to number of queues. + * * Each "alloc" function allocates and returns a new instance of the respective * data structure. The "alloc" function is not given any information about the * use of the new data structure, so it cannot perform much initialization. |