On Tue, Feb 18, 2014 at 01:56:50PM +0800, Xufeng Zhang wrote:
> For an established association, if user has updated the HB.interval
> parameter by setsockopt(), this new heartbeat interval will not
> take effect until:
> - the expiry of the heartbeat timer and new hearbeat is sent.
> - DATA chunk has been sent and the transport resets the timer.
> This could not meet the requirement of the user who need to
> get HEARTBEAT sent at the specified time.
>
> Thus, we need to update the heartbeat timer immediately after
> user has changed HB.interval.
>
> Signed-off-by: Xufeng Zhang <xufeng.zh...@windriver.com>
Acked-by: Neil Horman <nhor...@tuxdriver.com>
> ---
> net/sctp/socket.c | 5 +++++
> 1 files changed, 5 insertions(+), 0 deletions(-)
>
> diff --git a/net/sctp/socket.c b/net/sctp/socket.c
> index 9e91d6e..699ae1e 100644
> --- a/net/sctp/socket.c
> +++ b/net/sctp/socket.c
> @@ -2344,6 +2344,11 @@ static int sctp_apply_peer_addr_params(struct
> sctp_paddrparams *params,
> if (trans) {
> trans->hbinterval =
> msecs_to_jiffies(params->spp_hbinterval);
> +
> + /* Update the heartbeat timer immediately. */
> + if (!mod_timer(&trans->hb_timer,
> + sctp_transport_timeout(trans)))
> + sctp_transport_hold(trans);
> } else if (asoc) {
> asoc->hbinterval =
> msecs_to_jiffies(params->spp_hbinterval);
> --
> 1.7.0.2
>
>
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