diff options
| author |   Mohsin Kazmi <sykazmi@cisco.com> | 2019-04-02 11:45:08 +0000 |
|---|---|---|
| committer |   Damjan Marion <dmarion@me.com> | 2019-04-03 14:42:37 +0000 |
| commit | 09a3bc50b581c72693ff6270da20a68f5781a468 (patch) | |
| tree | ff87100fec6d34d0bb2301445dcd4c7024884cd7 /src/vnet/devices/virtio/device.c | |
| parent | 692f9b1205be8e61c0782b0711ec2393f8203e3e (diff) | |
virtio: Add support for multiqueue
Change-Id: Id71ffa77e977651f219ac09d1feef334851209e1
Signed-off-by: Mohsin Kazmi <sykazmi@cisco.com>
Diffstat (limited to 'src/vnet/devices/virtio/device.c')
| -rw-r--r-- | src/vnet/devices/virtio/device.c | 13 |
1 files changed, 7 insertions, 6 deletions
diff --git a/src/vnet/devices/virtio/device.c b/src/vnet/devices/virtio/device.c index dbf560688b8..04cf9ec49c8 100644 --- a/src/vnet/devices/virtio/device.c +++ b/src/vnet/devices/virtio/device.c @@ -245,15 +245,16 @@ virtio_interface_tx_inline (vlib_main_t * vm, vlib_node_runtime_t * node, vlib_frame_t * frame, virtio_if_t * vif, int do_gso) { - u8 qid = 0; u16 n_left = frame->n_vectors; - virtio_vring_t *vring = vec_elt_at_index (vif->vrings, (qid << 1) + 1); + virtio_vring_t *vring; + u16 qid = vm->thread_index % vif->num_txqs; + vring = vec_elt_at_index (vif->txq_vrings, qid); u16 used, next, avail; u16 sz = vring->size; u16 mask = sz - 1; u32 *buffers = vlib_frame_vector_args (frame); - clib_spinlock_lock_if_init (&vif->lockp); + clib_spinlock_lock_if_init (&vring->lockp); if ((vring->used->flags & VIRTIO_RING_FLAG_MASK_INT) == 0 && (vring->last_kick_avail_idx != vring->avail->idx)) @@ -298,7 +299,7 @@ virtio_interface_tx_inline (vlib_main_t * vm, vlib_node_runtime_t * node, vlib_buffer_free (vm, buffers, n_left); } - clib_spinlock_unlock_if_init (&vif->lockp); + clib_spinlock_unlock_if_init (&vring->lockp); return frame->n_vectors - n_left; } @@ -310,8 +311,8 @@ VNET_DEVICE_CLASS_TX_FN (virtio_device_class) (vlib_main_t * vm, virtio_main_t *nm = &virtio_main; vnet_interface_output_runtime_t *rund = (void *) node->runtime_data; virtio_if_t *vif = pool_elt_at_index (nm->interfaces, rund->dev_instance); - vnet_main_t *vnm = vnet_get_main (); + if (vnm->interface_main.gso_interface_count > 0) return virtio_interface_tx_inline (vm, node, frame, vif, 1 /* do_gso */ ); else @@ -352,7 +353,7 @@ virtio_interface_rx_mode_change (vnet_main_t * vnm, u32 hw_if_index, u32 qid, virtio_main_t *mm = &virtio_main; vnet_hw_interface_t *hw = vnet_get_hw_interface (vnm, hw_if_index); virtio_if_t *vif = pool_elt_at_index (mm->interfaces, hw->dev_instance); - virtio_vring_t *vring = vec_elt_at_index (vif->vrings, qid); + virtio_vring_t *vring = vec_elt_at_index (vif->rxq_vrings, qid); if (vif->type == VIRTIO_IF_TYPE_PCI && !(vif->support_int_mode)) { |