From: Xin Long <[email protected]>
Date: Thu, 27 Aug 2015 04:52:20 +0800
> Commit f8d960524328 ("sctp: Enforce retransmission limit during shutdown")
> fixed a problem with excessive retransmissions in the SHUTDOWN_PENDING by not
> resetting the association overall_error_count. This allowed the association
> to better enforce assoc.max_retrans limit.
>
> However, the same issue still exists when the association is in
> SHUTDOWN_RECEIVED
> state. In this state, HB-ACKs will continue to reset the overall_error_count
> for the association would extend the lifetime of association unnecessarily.
>
> This patch solves this by resetting the overall_error_count whenever the
> current
> state is small then SCTP_STATE_SHUTDOWN_PENDING. As a small side-effect, we
> end up also handling SCTP_STATE_SHUTDOWN_ACK_SENT and SCTP_STATE_SHUTDOWN_SENT
> states, but they are not really impacted because we disable Heartbeats in
> those
> states.
>
> Fixes: Commit f8d960524328 ("sctp: Enforce retransmission limit during
> shutdown")
> Signed-off-by: Xin Long <[email protected]>
Applied, thanks.
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