+ b0 = vlib_get_buffer (vm, bi0);
+ b = b0;
+
+ space_left = vmxnet3_tx_ring_space_left (txq);
+ while (b->flags & VLIB_BUFFER_NEXT_PRESENT)
+ {
+ u32 next_buffer = b->next_buffer;
+
+ b = vlib_get_buffer (vm, next_buffer);
+ space_needed++;
+ }
+ if (PREDICT_FALSE (space_left < space_needed))
+ {
+ vlib_buffer_free_one (vm, bi0);
+ vlib_error_count (vm, node->node_index,
+ VMXNET3_TX_ERROR_NO_FREE_SLOTS, 1);
+ buffers++;
+ n_left--;
+ /*
+ * Drop this packet. But we may have enough room for the next packet
+ */
+ continue;
+ }