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/node.c

diff --git a/src/vnet/devices/virtio/node.c b/src/vnet/devices/virtio/node.c
index 63e40da..a27131a 100644
--- a/src/vnet/devices/virtio/node.c
+++ b/src/vnet/devices/virtio/node.c
@@ -28,6 +28,7 @@
 #include <vnet/ethernet/ethernet.h>
 #include <vnet/devices/devices.h>
 #include <vnet/feature/feature.h>
+#include <vnet/gso/gro_func.h>
 #include <vnet/ip/ip4_packet.h>
 #include <vnet/ip/ip6_packet.h>
 #include <vnet/udp/udp_packet.h>
@@ -267,6 +268,8 @@
   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;
@@ -276,6 +279,12 @@
   u16 last = vring->last_used_idx;
   u16 n_left = vring->used->idx - last;
 
+  if (vif->packet_coalesce)
+    {
+      vnet_gro_flow_table_schedule_node_on_dispatcher (vm,
+						       txq_vring->flow_table);
+    }
+
   if ((vring->used->flags & VIRTIO_RING_FLAG_MASK_INT) == 0 &&
       vring->last_kick_avail_idx != vring->avail->idx)
     virtio_kick (vm, vring, vif);