diff options
Diffstat (limited to 'src/vnet')
| -rw-r--r-- | src/vnet/devices/virtio/node.c | 61 |
1 files changed, 31 insertions, 30 deletions
diff --git a/src/vnet/devices/virtio/node.c b/src/vnet/devices/virtio/node.c index 42b2590b342..960af992cfb 100644 --- a/src/vnet/devices/virtio/node.c +++ b/src/vnet/devices/virtio/node.c @@ -261,15 +261,12 @@ fill_gso_buffer_flags (vlib_buffer_t * b0, virtio_net_hdr_v1_t * hdr, static_always_inline uword virtio_device_input_gso_inline (vlib_main_t * vm, vlib_node_runtime_t * node, vlib_frame_t * frame, virtio_if_t * vif, - u16 qid, virtio_if_type_t type, + virtio_vring_t * vring, virtio_if_type_t type, int gso_enabled, int checksum_offload_enabled) { vnet_main_t *vnm = vnet_get_main (); u32 thread_index = vm->thread_index; uword n_trace = vlib_get_trace_count (vm, node); - virtio_vring_t *vring = vec_elt_at_index (vif->rxq_vrings, qid); - u16 txq_id = thread_index % vif->num_txqs; - virtio_vring_t *txq_vring = vec_elt_at_index (vif->txq_vrings, txq_id); u32 next_index = VNET_DEVICE_INPUT_NEXT_ETHERNET_INPUT; const int hdr_sz = vif->virtio_net_hdr_sz; u32 *to_next = 0; @@ -279,23 +276,8 @@ virtio_device_input_gso_inline (vlib_main_t * vm, vlib_node_runtime_t * node, u16 last = vring->last_used_idx; u16 n_left = vring->used->idx - last; - if (clib_spinlock_trylock_if_init (&txq_vring->lockp)) - { - if (vif->packet_coalesce) - vnet_gro_flow_table_schedule_node_on_dispatcher (vm, - txq_vring->flow_table); - else if (vif->packet_buffering) - virtio_vring_buffering_schedule_node_on_dispatcher (vm, - txq_vring->buffering); - clib_spinlock_unlock_if_init (&txq_vring->lockp); - } - - if ((vring->used->flags & VRING_USED_F_NO_NOTIFY) == 0 && - vring->last_kick_avail_idx != vring->avail->idx) - virtio_kick (vm, vring, vif); - if (n_left == 0) - goto refill; + return 0; if (type == VIRTIO_IF_TYPE_TUN) next_index = VNET_DEVICE_INPUT_NEXT_IP4_INPUT; @@ -432,9 +414,6 @@ virtio_device_input_gso_inline (vlib_main_t * vm, vlib_node_runtime_t * node, vif->sw_if_index, n_rx_packets, n_rx_bytes); -refill: - virtio_refill_vring (vm, vif, type, vring, hdr_sz, node->node_index); - return n_rx_packets; } @@ -443,17 +422,39 @@ virtio_device_input_inline (vlib_main_t * vm, vlib_node_runtime_t * node, vlib_frame_t * frame, virtio_if_t * vif, u16 qid, virtio_if_type_t type) { + virtio_vring_t *vring = vec_elt_at_index (vif->rxq_vrings, qid); + const int hdr_sz = vif->virtio_net_hdr_sz; + u16 txq_id = vm->thread_index % vif->num_txqs; + virtio_vring_t *txq_vring = vec_elt_at_index (vif->txq_vrings, txq_id); + uword rv; + + if (clib_spinlock_trylock_if_init (&txq_vring->lockp)) + { + if (vif->packet_coalesce) + vnet_gro_flow_table_schedule_node_on_dispatcher + (vm, txq_vring->flow_table); + else if (vif->packet_buffering) + virtio_vring_buffering_schedule_node_on_dispatcher + (vm, txq_vring->buffering); + clib_spinlock_unlock_if_init (&txq_vring->lockp); + } + + if ((vring->used->flags & VRING_USED_F_NO_NOTIFY) == 0 && + vring->last_kick_avail_idx != vring->avail->idx) + virtio_kick (vm, vring, vif); if (vif->gso_enabled) - return virtio_device_input_gso_inline (vm, node, frame, vif, - qid, type, 1, 1); + rv = virtio_device_input_gso_inline (vm, node, frame, vif, vring, type, + 1, 1); else if (vif->csum_offload_enabled) - return virtio_device_input_gso_inline (vm, node, frame, vif, - qid, type, 0, 1); + rv = virtio_device_input_gso_inline (vm, node, frame, vif, vring, type, + 0, 1); else - return virtio_device_input_gso_inline (vm, node, frame, vif, - qid, type, 0, 0); - return 0; + rv = virtio_device_input_gso_inline (vm, node, frame, vif, vring, type, + 0, 0); + + virtio_refill_vring (vm, vif, type, vring, hdr_sz, node->node_index); + return rv; } VLIB_NODE_FN (virtio_input_node) (vlib_main_t * vm, |