diff options
Diffstat (limited to 'src/vnet/devices/virtio/virtio.c')
| -rw-r--r-- | src/vnet/devices/virtio/virtio.c | 29 |
1 files changed, 29 insertions, 0 deletions
diff --git a/src/vnet/devices/virtio/virtio.c b/src/vnet/devices/virtio/virtio.c index e74f3783756..8209a46b52f 100644 --- a/src/vnet/devices/virtio/virtio.c +++ b/src/vnet/devices/virtio/virtio.c @@ -216,6 +216,7 @@ virtio_vring_free_tx (vlib_main_t * vm, virtio_if_t * vif, u32 idx) clib_mem_free (vring->avail); vec_free (vring->buffers); gro_flow_table_free (vring->flow_table); + virtio_vring_buffering_free (vm, vring->buffering); clib_spinlock_free (&vring->lockp); return 0; } @@ -235,6 +236,28 @@ virtio_set_packet_coalesce (virtio_if_t * vif) } } +clib_error_t * +virtio_set_packet_buffering (virtio_if_t * vif, u16 buffering_size) +{ + vnet_main_t *vnm = vnet_get_main (); + vnet_hw_interface_t *hw = vnet_get_hw_interface (vnm, vif->hw_if_index); + virtio_vring_t *vring; + clib_error_t *error = 0; + vif->packet_buffering = 1; + + vec_foreach (vring, vif->txq_vrings) + { + if ((error = + virtio_vring_buffering_init (&vring->buffering, hw->tx_node_index, + buffering_size))) + { + break; + } + } + + return error; +} + void virtio_vring_set_numa_node (vlib_main_t * vm, virtio_if_t * vif, u32 idx) { @@ -335,6 +358,7 @@ virtio_show (vlib_main_t * vm, u32 * hw_if_indices, u8 show_descr, u32 type) vlib_cli_output (vm, " gso-enabled %d", vif->gso_enabled); vlib_cli_output (vm, " csum-enabled %d", vif->csum_offload_enabled); vlib_cli_output (vm, " packet-coalesce %d", vif->packet_coalesce); + vlib_cli_output (vm, " packet-buffering %d", vif->packet_buffering); if (type & (VIRTIO_IF_TYPE_TAP | VIRTIO_IF_TYPE_PCI)) vlib_cli_output (vm, " Mac Address: %U", format_ethernet_address, vif->mac_addr); @@ -432,6 +456,11 @@ virtio_show (vlib_main_t * vm, u32 * hw_if_indices, u8 show_descr, u32 type) vlib_cli_output (vm, " %U", gro_flow_table_format, vring->flow_table); } + if (vif->packet_buffering) + { + vlib_cli_output (vm, " %U", virtio_vring_buffering_format, + vring->buffering); + } if (show_descr) { vlib_cli_output (vm, "\n descriptor table:\n"); |