commit 9e2a78564f0fc07f1ea3d15a31fa7ca3a0f6424d
author Mohsin Kazmi <sykazmi@cisco.com> Thu Aug 13 18:57:26 2020 +0200
committer Benoît Ganne <bganne@cisco.com> Mon Aug 17 08:46:53 2020 +0000
tree 03387739672584357b7038b67e998d8824de5d01
parent 00dd39044e64b4a7a33d204ef7d19aac819d71f5

tap: add gro support

Type: feature

Change-Id: I5868dd267aa26aa97aec5fd70e70c5956ac52277
Signed-off-by: Mohsin Kazmi <sykazmi@cisco.com>

src/vnet/devices/virtio/virtio.c

diff --git a/src/vnet/devices/virtio/virtio.c b/src/vnet/devices/virtio/virtio.c
index 17fbd79..f8b6a39 100644
--- a/src/vnet/devices/virtio/virtio.c
+++ b/src/vnet/devices/virtio/virtio.c
@@ -217,11 +217,26 @@
   if (vring->avail)
     clib_mem_free (vring->avail);
   vec_free (vring->buffers);
+  gro_flow_table_free (vring->flow_table);
   clib_spinlock_free (&vring->lockp);
   return 0;
 }
 
 void
+virtio_set_packet_coalesce (virtio_if_t * vif)
+{
+  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;
+  vec_foreach (vring, vif->txq_vrings)
+  {
+    gro_flow_table_init (&vring->flow_table,
+			 vif->type & (VIRTIO_IF_TYPE_TAP |
+				      VIRTIO_IF_TYPE_PCI), hw->tx_node_index);
+  }
+}
+
+void
 virtio_vring_set_numa_node (vlib_main_t * vm, virtio_if_t * vif, u32 idx)
 {
   vnet_main_t *vnm = vnet_get_main ();
@@ -320,6 +335,7 @@
 	}
       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);
       if (type & (VIRTIO_IF_TYPE_TAP | VIRTIO_IF_TYPE_PCI))
 	vlib_cli_output (vm, "  Mac Address: %U", format_ethernet_address,
 			 vif->mac_addr);
@@ -412,6 +428,11 @@
 	    vlib_cli_output (vm, "    kickfd %d, callfd %d", vring->kick_fd,
 			     vring->call_fd);
 	  }
+	if (vring->flow_table)
+	  {
+	    vlib_cli_output (vm, "    %U", gro_flow_table_format,
+			     vring->flow_table);
+	  }
 	if (show_descr)
 	  {
 	    vlib_cli_output (vm, "\n  descriptor table:\n");