On Wed, Aug 19, 2015 at 12:39:06PM +0800, Xin Long wrote:
> when A send a data to B, A close() to be in SHUTDOWN_PENDING state,
> but B neither claim his rwnd is 0 nor SACK this data, then A keep
> retransmiting this data. it should send abord after Max.Retrans
> times, only when peer.rwnd == 0 and more than Max.Retrans times, it
> will start t5 timer.
>
> Fixes: f8d960524 ("sctp: Enforce retransmission limit during shutdown")
> Signed-off-by: Xin Long <lucien....@gmail.com>
> ---
changelog is confusing, please reword it, specially the last part.
> net/sctp/sm_statefuns.c | 3 ++-
> 1 file changed, 2 insertions(+), 1 deletion(-)
>
> diff --git a/net/sctp/sm_statefuns.c b/net/sctp/sm_statefuns.c
> index 3ee27b7..7d9380c 100644
> --- a/net/sctp/sm_statefuns.c
> +++ b/net/sctp/sm_statefuns.c
> @@ -5412,7 +5412,8 @@ sctp_disposition_t sctp_sf_do_6_3_3_rtx(struct net *net,
> SCTP_INC_STATS(net, SCTP_MIB_T3_RTX_EXPIREDS);
>
> if (asoc->overall_error_count >= asoc->max_retrans) {
> - if (asoc->state == SCTP_STATE_SHUTDOWN_PENDING) {
> + if (!q->asoc->peer.rwnd &&
> + asoc->state == SCTP_STATE_SHUTDOWN_PENDING) {
^
Indentation issue here. 2nd if line should start where I marked.
Other than that, looks good to me.
> /*
> * We are here likely because the receiver had its rwnd
> * closed for a while and we have not been able to
> --
> 2.1.0
>
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