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net/tcp: fix error check of OTW ACK sequence of zero-window probe ack

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Due to illegal sndseq_max increase when send zero-window probe or keealive probe

Signed-off-by: wenquan1 <wenquan1@xiaomi.com>
This commit is contained in:
wenquan1 2025-09-24 13:40:18 +08:00 • committed by Xiang Xiao
parent 74ab7816a1
commit fb7dcc3d89
1 changed files with 0 additions and 11 deletions
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11
net/tcp/tcp_timer.c
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@ -711,11 +711,6 @@ void tcp_timer(FAR struct net_driver_s *dev, FAR struct tcp_conn_s *conn)
{
tcp_xmit_probe(dev, conn);
#ifdef CONFIG_NET_TCP_WRITE_BUFFERS
/* Increment the un-ACKed sequence number */
conn->sndseq_max++;
#endif
/* Update for the next probe */
conn->keeptimer = conn->keepintvl;
@ -757,12 +752,6 @@ void tcp_timer(FAR struct net_driver_s *dev, FAR struct tcp_conn_s *conn)
{
tcp_xmit_probe(dev, conn);
#ifdef CONFIG_NET_TCP_WRITE_BUFFERS
/* Increment the un-ACKed sequence number */
conn->sndseq_max++;
#endif
/* Update for the next probe */
conn->nrtx++;