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| author |   Yuchung Cheng <ycheng@google.com> | 2019-01-16 15:05:31 -0800 |
|---|---|---|
| committer |   David S. Miller <davem@davemloft.net> | 2019-01-17 15:12:26 -0800 |
| commit | c7d13c8faa74f4e8ef191f88a252cefab6805b38 (patch) | |
| tree | 7735bcd0953efa72c57f5c53ee53d86986de0f0c /kernel | |
| parent | tcp: always set retrans_stamp on recovery (diff) | |
| download | linux-dev-c7d13c8faa74f4e8ef191f88a252cefab6805b38.tar.xz linux-dev-c7d13c8faa74f4e8ef191f88a252cefab6805b38.zip | |
tcp: properly track retry time on passive Fast Open
This patch addresses a corner issue on timeout behavior of a
passive Fast Open socket. A passive Fast Open server may write
and close the socket when it is re-trying SYN-ACK to complete
the handshake. After the handshake is completely, the server does
not properly stamp the recovery start time (tp->retrans_stamp is
0), and the socket may abort immediately on the very first FIN
timeout, instead of retying until it passes the system or user
specified limit.
Signed-off-by: Yuchung Cheng <ycheng@google.com>
Signed-off-by: Eric Dumazet <edumazet@google.com>
Reviewed-by: Neal Cardwell <ncardwell@google.com>
Reviewed-by: Soheil Hassas Yeganeh <soheil@google.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'kernel')
0 files changed, 0 insertions, 0 deletions