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net/tcp_timer: fix tcp RTO abnormally large after retransmission occurs #15118

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Merged
merged 1 commit into from
Dec 10, 2024
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net/tcp_timer: fix tcp RTO abnormally large after retransmission occurs #15118

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3 changes: 2 additions & 1 deletion net/tcp/tcp_timer.c
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Original file line number Diff line number Diff line change
Expand Up @@ -599,7 +599,8 @@ void tcp_timer(FAR struct net_driver_s *dev, FAR struct tcp_conn_s *conn)

/* Exponential backoff. */

conn->timer = TCP_RTO << (conn->nrtx > 4 ? 4: conn->nrtx);
conn->rto = TCP_RTO << (conn->nrtx > 4 ? 4: conn->nrtx);
tcp_update_retrantimer(conn, conn->rto);
conn->nrtx++;

/* Ok, so we need to retransmit. We do this differently
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