session: avoid old io dispatch if no slots left to send
Type: fix
@@ -1317,7 +1317,8 @@ session_queue_node_fn (vlib_main_t * vm, vlib_node_runtime_t * node,
old_he = pool_elt_at_index (wrk->event_elts, wrk->old_head);
old_ti = clib_llist_prev_index (old_he, evt_list);
- while (!clib_llist_is_empty (wrk->event_elts, evt_list, old_he))
+ while (n_tx_packets < VLIB_FRAME_SIZE
+ && !clib_llist_is_empty (wrk->event_elts, evt_list, old_he))
{
clib_llist_index_t ei;
@@ -1326,7 +1327,7 @@ session_queue_node_fn (vlib_main_t * vm, vlib_node_runtime_t * node,
session_event_dispatch_io (wrk, node, elt, thread_index, &n_tx_packets);
old_he = pool_elt_at_index (wrk->event_elts, wrk->old_head);
- if (n_tx_packets >= VLIB_FRAME_SIZE || ei == old_ti)
+ if (ei == old_ti)
break;
};
