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Diffstat (limited to 'src/plugins/memif/device.c')
-rw-r--r--src/plugins/memif/device.c14
1 files changed, 12 insertions, 2 deletions
diff --git a/src/plugins/memif/device.c b/src/plugins/memif/device.c
index c7682534..aff18f2d 100644
--- a/src/plugins/memif/device.c
+++ b/src/plugins/memif/device.c
@@ -31,7 +31,8 @@
#define foreach_memif_tx_func_error \
_(NO_FREE_SLOTS, "no free tx slots") \
_(TRUNC_PACKET, "packet > buffer size -- truncated in tx ring") \
-_(PENDING_MSGS, "pending msgs in tx ring")
+_(PENDING_MSGS, "pending msgs in tx ring") \
+_(NO_TX_QUEUES, "no tx queues")
typedef enum
{
@@ -169,6 +170,13 @@ memif_interface_tx_inline (vlib_main_t * vm, vlib_node_runtime_t * node,
u8 tx_queues = vec_len (mif->tx_queues);
memif_queue_t *mq;
+ if (PREDICT_FALSE (tx_queues == 0))
+ {
+ vlib_error_count (vm, node->node_index, MEMIF_TX_ERROR_NO_TX_QUEUES,
+ n_left);
+ goto error;
+ }
+
if (tx_queues < vec_len (vlib_mains))
{
qid = thread_index % tx_queues;
@@ -249,7 +257,6 @@ memif_interface_tx_inline (vlib_main_t * vm, vlib_node_runtime_t * node,
n_left);
}
- vlib_buffer_free (vm, vlib_frame_args (frame), frame->n_vectors);
if ((ring->flags & MEMIF_RING_FLAG_MASK_INT) == 0 && mq->int_fd > -1)
{
u64 b = 1;
@@ -257,6 +264,9 @@ memif_interface_tx_inline (vlib_main_t * vm, vlib_node_runtime_t * node,
mq->int_count++;
}
+error:
+ vlib_buffer_free (vm, vlib_frame_args (frame), frame->n_vectors);
+
return frame->n_vectors;
}