diff options
| -rw-r--r-- | src/vnet/devices/virtio/vhost-user.c | 4 |
1 files changed, 3 insertions, 1 deletions
diff --git a/src/vnet/devices/virtio/vhost-user.c b/src/vnet/devices/virtio/vhost-user.c index ca54f110948..6b2c898acd5 100644 --- a/src/vnet/devices/virtio/vhost-user.c +++ b/src/vnet/devices/virtio/vhost-user.c @@ -1545,8 +1545,10 @@ vhost_user_if_input (vlib_main_t * vm, * per packet. In case packets are bigger, we will just yeld at some point * in the loop and come back later. This is not an issue as for big packet, * processing cost really comes from the memory copy. + * The assumption is that big packets will fit in 40 buffers. */ - if (PREDICT_FALSE (vum->cpus[thread_index].rx_buffers_len < n_left + 1)) + if (PREDICT_FALSE (vum->cpus[thread_index].rx_buffers_len < n_left + 1 || + vum->cpus[thread_index].rx_buffers_len < 40)) { u32 curr_len = vum->cpus[thread_index].rx_buffers_len; vum->cpus[thread_index].rx_buffers_len += |