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Date: Sun, 7 Aug 2011 00:34:11 +0900
From: Michio Honda <micchie@....wide.ad.jp>
To: netdev@...r.kernel.org
Cc: Vlad Yasevich <vladislav.yasevich@...com>,
David Miller <davem@...emloft.net>
Subject: SCTP patch reviewer
Hi,
I posted these patches 2 months ago; Wei Yongjun initially looked at them
but now i am getting bounces his email address is no longer valid. Can anybody
help me please?
Thanks,
- Michio
Begin forwarded message:
> From: Michio Honda <micchie@....wide.ad.jp>
> Date: June 16, 2011 5:56:29 PM GMT+09:00
> To: David Miller <davem@...emloft.net>, Wei Yongjun <yjwei@...fujitsu.com>
> Cc: netdev@...r.kernel.org
> Subject: [PATCH 0/2] sctp: patches for HEARTBEAT bug fix and improvement
>
> From 111463f295a5ea7ae03c26bf62671895e803bc28 Mon Sep 17 00:00:00 2001
> From: Michio Honda <micchie@....wide.ad.jp>
> Date: Thu, 16 Jun 2011 17:40:04 +0900
> Subject: [PATCH 0/2] sctp: patches for HEARTBEAT bug fix and improvement
>
> Series of 2 patches for bug fix and improvement around HEARTBEAT after the
> ASCONF event
>
> Michio Honda (2):
> sctp: HEARTBEAT negotiation after ASCONF
> sctp: Bundle HEAERTBEAT into ASCONF_ACK
>
> include/net/sctp/structs.h | 1 +
> net/sctp/associola.c | 1 +
> net/sctp/outqueue.c | 4 ++++
> net/sctp/sm_make_chunk.c | 1 +
> net/sctp/sm_statefuns.c | 5 +++++
> 5 files changed, 12 insertions(+), 0 deletions(-)
>
> --
> 1.7.3.2
>
>
Begin forwarded message:
> From: Michio Honda <micchie@....wide.ad.jp>
> Date: June 16, 2011 5:56:42 PM GMT+09:00
> To: David Miller <davem@...emloft.net>, Wei Yongjun <yjwei@...fujitsu.com>
> Cc: netdev@...r.kernel.org
> Subject: [PATCH 1/2] sctp: HEARTBEAT negotiation after ASCONF
>
> From 6780e27850126dc200a8700a0f8c3105971b8978 Mon Sep 17 00:00:00 2001
> From: Michio Honda <micchie@....wide.ad.jp>
> Date: Thu, 16 Jun 2011 10:54:23 +0900
> Subject: [PATCH 1/2] sctp: HEARTBEAT negotiation after ASCONF
>
> This patch fixes BUG that the ASCONF receiver transmits DATA chunks
> to the newly added UNCONFIRMED destination.
>
> Signed-off-by: Michio Honda <micchie@....wide.ad.jp>
> ---
> net/sctp/outqueue.c | 4 ++++
> 1 files changed, 4 insertions(+), 0 deletions(-)
>
> diff --git a/net/sctp/outqueue.c b/net/sctp/outqueue.c
> index edc7532..4adfc1e 100644
> --- a/net/sctp/outqueue.c
> +++ b/net/sctp/outqueue.c
> @@ -917,6 +917,8 @@ static int sctp_outq_flush(struct sctp_outq *q, int rtx_timeout)
> * current cwnd).
> */
> if (!list_empty(&q->retransmit)) {
> + if (asoc->peer.retran_path->state == SCTP_UNCONFIRMED)
> + goto sctp_flush_out;
> if (transport == asoc->peer.retran_path)
> goto retran;
>
> @@ -989,6 +991,8 @@ static int sctp_outq_flush(struct sctp_outq *q, int rtx_timeout)
> ((new_transport->state == SCTP_INACTIVE) ||
> (new_transport->state == SCTP_UNCONFIRMED)))
> new_transport = asoc->peer.active_path;
> + if (new_transport->state == SCTP_UNCONFIRMED)
> + continue;
>
> /* Change packets if necessary. */
> if (new_transport != transport) {
> --
> 1.7.3.2
>
>
Begin forwarded message:
> From: Michio Honda <micchie@....wide.ad.jp>
> Date: June 16, 2011 5:56:52 PM GMT+09:00
> To: David Miller <davem@...emloft.net>, Wei Yongjun <yjwei@...fujitsu.com>
> Cc: netdev@...r.kernel.org
> Subject: [PATCH 2/2] sctp: Bundle HEAERTBEAT into ASCONF_ACK
>
> From 111463f295a5ea7ae03c26bf62671895e803bc28 Mon Sep 17 00:00:00 2001
> From: Michio Honda <micchie@....wide.ad.jp>
> Date: Thu, 16 Jun 2011 17:14:34 +0900
> Subject: [PATCH 2/2] sctp: Bundle HEAERTBEAT into ASCONF_ACK
>
> With this patch a HEARTBEAT chunk is bundled into the ASCONF-ACK
> for ADD IP ADDRESS, confirming the new destination as quickly as
> possible.
>
> Signed-off-by: Michio Honda <micchie@....wide.ad.jp>
> ---
> include/net/sctp/structs.h | 1 +
> net/sctp/associola.c | 1 +
> net/sctp/sm_make_chunk.c | 1 +
> net/sctp/sm_statefuns.c | 5 +++++
> 4 files changed, 8 insertions(+), 0 deletions(-)
>
> diff --git a/include/net/sctp/structs.h b/include/net/sctp/structs.h
> index 31d7ea2..7154980 100644
> --- a/include/net/sctp/structs.h
> +++ b/include/net/sctp/structs.h
> @@ -1915,6 +1915,7 @@ struct sctp_association {
> __u32 addip_serial;
> union sctp_addr *asconf_addr_del_pending;
> int src_out_of_asoc_ok;
> + struct sctp_transport *new_transport;
>
> /* SCTP AUTH: list of the endpoint shared keys. These
> * keys are provided out of band by the user applicaton
> diff --git a/net/sctp/associola.c b/net/sctp/associola.c
> index dc16b90..152b5b3 100644
> --- a/net/sctp/associola.c
> +++ b/net/sctp/associola.c
> @@ -282,6 +282,7 @@ static struct sctp_association *sctp_association_init(struct sctp_association *a
> asoc->peer.asconf_capable = 1;
> asoc->asconf_addr_del_pending = NULL;
> asoc->src_out_of_asoc_ok = 0;
> + asoc->new_transport = NULL;
>
> /* Create an input queue. */
> sctp_inq_init(&asoc->base.inqueue);
> diff --git a/net/sctp/sm_make_chunk.c b/net/sctp/sm_make_chunk.c
> index 3363d37..a42d3b0 100644
> --- a/net/sctp/sm_make_chunk.c
> +++ b/net/sctp/sm_make_chunk.c
> @@ -3016,6 +3016,7 @@ static __be16 sctp_process_asconf_param(struct sctp_association *asoc,
> /* Start the heartbeat timer. */
> if (!mod_timer(&peer->hb_timer, sctp_transport_timeout(peer)))
> sctp_transport_hold(peer);
> + asoc->new_transport = peer;
> break;
> case SCTP_PARAM_DEL_IP:
> /* ADDIP 4.3 D7) If a request is received to delete the
> diff --git a/net/sctp/sm_statefuns.c b/net/sctp/sm_statefuns.c
> index a297283..5cfd6d2 100644
> --- a/net/sctp/sm_statefuns.c
> +++ b/net/sctp/sm_statefuns.c
> @@ -3612,6 +3612,11 @@ sctp_disposition_t sctp_sf_do_asconf(const struct sctp_endpoint *ep,
> */
> asconf_ack->dest = chunk->source;
> sctp_add_cmd_sf(commands, SCTP_CMD_REPLY, SCTP_CHUNK(asconf_ack));
> + if (asoc->new_transport) {
> + sctp_sf_heartbeat(ep, asoc, type, asoc->new_transport,
> + commands);
> + ((struct sctp_association *)asoc)->new_transport = NULL;
> + }
>
> return SCTP_DISPOSITION_CONSUME;
> }
> --
> 1.7.3.2
>
>
--
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