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session: avoid old io dispatch if no slots left to send

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Type: fix

Signed-off-by: Ryujiro Shibuya <Ryujiro.Shibuya@owmobility.com>
Change-Id: I8e1f6cbd905ad5c21aed1b2e358540d0fbd7fc47
(cherry picked from commit 2a1118411deed799e079bf34d3f6d8bccb37f8c5)
This commit is contained in:
Ryujiro Shibuya 2019-10-09 02:54:04 +01:00 committed by Andrew Yourtchenko
parent eeaf6e7614
commit efb8db4c8a
1 changed files with 3 additions and 2 deletions
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5
src/vnet/session/session_node.c
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@ -1321,7 +1321,8 @@ 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;
@ -1330,7 +1331,7 @@ 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;
};