Commit c6ea04ea authored by Xin Long's avatar Xin Long Committed by David S. Miller
Browse files

sctp: reset probe_timer in sctp_transport_pl_update 



sctp_transport_pl_update() is called when transport update its dst and
pathmtu, instead of stopping the PLPMTUD probe timer, PLPMTUD should
start over and reset the probe timer. Otherwise, the PLPMTUD service
would stop.

Fixes: 92548ec2 ("sctp: add the probe timer in transport for PLPMTUD")
Signed-off-by: default avatarXin Long <lucien.xin@gmail.com>
Signed-off-by: default avatarDavid S. Miller <davem@davemloft.net>
parent 40171248

include/net/sctp/sctp.h

+1 −3
Original line number Diff line number Diff line
@@ -653,12 +653,10 @@ static inline void sctp_transport_pl_update(struct sctp_transport *t) 
	if (t->pl.state == SCTP_PL_DISABLED)

		return;



	if (del_timer(&t->probe_timer))

		sctp_transport_put(t);



	t->pl.state = SCTP_PL_BASE;

	t->pl.pmtu = SCTP_BASE_PLPMTU;

	t->pl.probe_size = SCTP_BASE_PLPMTU;

	sctp_transport_reset_probe_timer(t);

}



static inline bool sctp_transport_pl_enabled(struct sctp_transport *t)