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session: unset fifo evt to enqueue ack evt on tcp timewait

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Incase the ack for the fin is lost twice or want to dup ack
packets with incorrect ack/seq # at different times and
session state is already closed, this fifo event is set for
the first ack that went out and prevents queuing of further events.

Type: fix
Change-Id: I102019fca26918a51e055a751db7209011bd43ad
Signed-off-by: emmanuel <emmanuelscaria11@gmail.com>
This commit is contained in:
emmanuel
2023-12-21 01:55:41 -08:00
committed by Florin Coras
parent e1489260ca
commit b1454f89b5
1 changed files with 6 additions and 3 deletions
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9
src/vnet/session/session_node.c
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@ -1420,9 +1420,12 @@ session_tx_fifo_read_and_snd_i (session_worker_t * wrk,
ctx->sp.max_burst_size = max_burst;
n_custom_tx = ctx->transport_vft->custom_tx (ctx->tc, &ctx->sp);
*n_tx_packets += n_custom_tx;
if (PREDICT_FALSE
(ctx->s->session_state >= SESSION_STATE_TRANSPORT_CLOSED))
return SESSION_TX_OK;
if (PREDICT_FALSE (ctx->s->session_state >=
SESSION_STATE_TRANSPORT_CLOSED))
{
svm_fifo_unset_event (ctx->s->tx_fifo);
return SESSION_TX_OK;
}
max_burst -= n_custom_tx;
if (!max_burst || (ctx->s->flags & SESSION_F_CUSTOM_TX))
{