diff options
| -rw-r--r-- | src/vnet/devices/virtio/node.c | 10 | ||||
| -rw-r--r-- | src/vnet/devices/virtio/virtio_inline.h | 1 |
2 files changed, 11 insertions, 0 deletions
diff --git a/src/vnet/devices/virtio/node.c b/src/vnet/devices/virtio/node.c index 8c837575cf8..027e1ed4e74 100644 --- a/src/vnet/devices/virtio/node.c +++ b/src/vnet/devices/virtio/node.c @@ -282,6 +282,16 @@ virtio_device_input_gso_inline (vlib_main_t *vm, vlib_node_runtime_t *node, if (n_left == 0) return 0; + if (PREDICT_FALSE (n_left == vring->queue_size)) + { + /* + * Informational error logging when VPP is not pulling packets fast + * enough. + */ + vlib_error_count (vm, node->node_index, VIRTIO_INPUT_ERROR_FULL_RX_QUEUE, + 1); + } + if (type == VIRTIO_IF_TYPE_TUN) { next_index = VNET_DEVICE_INPUT_NEXT_IP4_INPUT; diff --git a/src/vnet/devices/virtio/virtio_inline.h b/src/vnet/devices/virtio/virtio_inline.h index 179f319aa4c..41bba755934 100644 --- a/src/vnet/devices/virtio/virtio_inline.h +++ b/src/vnet/devices/virtio/virtio_inline.h @@ -17,6 +17,7 @@ #define foreach_virtio_input_error \ _ (BUFFER_ALLOC, "buffer alloc error") \ + _ (FULL_RX_QUEUE, "full rx queue (driver tx drop)") \ _ (UNKNOWN, "unknown") typedef enum |