Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1755585AbZGAVVU (ORCPT ); Wed, 1 Jul 2009 17:21:20 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1753670AbZGAVVJ (ORCPT ); Wed, 1 Jul 2009 17:21:09 -0400 Received: from gimli.pxnet.com ([195.227.45.7]:49492 "EHLO mail.pxnet.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1752684AbZGAVVH (ORCPT ); Wed, 1 Jul 2009 17:21:07 -0400 From: Tilman Schmidt To: davem@davemloft.net, linux-kernel@vger.kernel.org, netdev@vger.kernel.org CC: Hansjoerg Lipp Message-ID: <20090701-patch-01.tilman@imap.cc> In-Reply-To: <20090701-patch-00.tilman@imap.cc> References: <20090701-patch-00.tilman@imap.cc> Subject: [PATCH 1/2] gigaset: accept connection establishment messages in any order Date: Wed, 1 Jul 2009 23:20:57 +0200 (CEST) X-Spam-Score: 0.1 () RDNS_NONE Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 4611 Lines: 98 ISDN connection setup failed if the "connection active" and "B channel up" messages from the device arrived in a different order than expected. Modify the state machine to accept them in any order. Impact: bugfix Signed-off-by: Tilman Schmidt CC: stable --- drivers/isdn/gigaset/ev-layer.c | 44 +++++++++++++++++--------------------- 1 files changed, 20 insertions(+), 24 deletions(-) diff --git a/drivers/isdn/gigaset/ev-layer.c b/drivers/isdn/gigaset/ev-layer.c index ec51696..2d91049 100644 --- a/drivers/isdn/gigaset/ev-layer.c +++ b/drivers/isdn/gigaset/ev-layer.c @@ -294,32 +294,33 @@ struct reply_t gigaset_tab_cid[] = {RSP_OK, 604,604, -1, 605, 5, {ACT_CMD+AT_MSN}}, {RSP_OK, 605,605, -1, 606, 5, {ACT_CMD+AT_ISO}}, {RSP_NULL, 605,605, -1, 606, 5, {ACT_CMD+AT_ISO}}, - {RSP_OK, 606,606, -1, 607, 5, {0}, "+VLS=17\r"}, /* set "Endgeraetemodus" */ + {RSP_OK, 606,606, -1, 607, 5, {0}, "+VLS=17\r"}, {RSP_OK, 607,607, -1, 608,-1}, - //{RSP_ZSAU, 608,608,ZSAU_PROCEEDING, 608, 0, {ACT_ERROR}},//DELETE {RSP_ZSAU, 608,608,ZSAU_PROCEEDING, 609, 5, {ACT_CMD+AT_DIAL}}, {RSP_OK, 609,609, -1, 650, 0, {ACT_DIALING}}, - {RSP_ZVLS, 608,608, 17, -1,-1, {ACT_DEBUG}}, - {RSP_ZCTP, 609,609, -1, -1,-1, {ACT_DEBUG}}, - {RSP_ZCPN, 609,609, -1, -1,-1, {ACT_DEBUG}}, {RSP_ERROR, 601,609, -1, 0, 0, {ACT_ABORTDIAL}}, {EV_TIMEOUT, 601,609, -1, 0, 0, {ACT_ABORTDIAL}}, - /* dialing */ - {RSP_ZCTP, 650,650, -1, -1,-1, {ACT_DEBUG}}, - {RSP_ZCPN, 650,650, -1, -1,-1, {ACT_DEBUG}}, - {RSP_ZSAU, 650,650,ZSAU_CALL_DELIVERED, -1,-1, {ACT_DEBUG}}, /* some devices don't send this */ - - /* connection established */ - {RSP_ZSAU, 650,650,ZSAU_ACTIVE, 800,-1, {ACT_CONNECT}}, //FIXME -> DLE1 - {RSP_ZSAU, 750,750,ZSAU_ACTIVE, 800,-1, {ACT_CONNECT}}, //FIXME -> DLE1 - - {EV_BC_OPEN, 800,800, -1, 800,-1, {ACT_NOTIFY_BC_UP}}, //FIXME new constate + timeout + /* optional dialing responses */ + {EV_BC_OPEN, 650,650, -1, 651,-1}, + {RSP_ZVLS, 608,651, 17, -1,-1, {ACT_DEBUG}}, + {RSP_ZCTP, 609,651, -1, -1,-1, {ACT_DEBUG}}, + {RSP_ZCPN, 609,651, -1, -1,-1, {ACT_DEBUG}}, + {RSP_ZSAU, 650,651,ZSAU_CALL_DELIVERED, -1,-1, {ACT_DEBUG}}, + + /* connect */ + {RSP_ZSAU, 650,650,ZSAU_ACTIVE, 800,-1, {ACT_CONNECT}}, + {RSP_ZSAU, 651,651,ZSAU_ACTIVE, 800,-1, {ACT_CONNECT, + ACT_NOTIFY_BC_UP}}, + {RSP_ZSAU, 750,750,ZSAU_ACTIVE, 800,-1, {ACT_CONNECT}}, + {RSP_ZSAU, 751,751,ZSAU_ACTIVE, 800,-1, {ACT_CONNECT, + ACT_NOTIFY_BC_UP}}, + {EV_BC_OPEN, 800,800, -1, 800,-1, {ACT_NOTIFY_BC_UP}}, /* remote hangup */ - {RSP_ZSAU, 650,650,ZSAU_DISCONNECT_IND, 0, 0, {ACT_REMOTEREJECT}}, - {RSP_ZSAU, 750,750,ZSAU_DISCONNECT_IND, 0, 0, {ACT_REMOTEHUP}}, + {RSP_ZSAU, 650,651,ZSAU_DISCONNECT_IND, 0, 0, {ACT_REMOTEREJECT}}, + {RSP_ZSAU, 750,751,ZSAU_DISCONNECT_IND, 0, 0, {ACT_REMOTEHUP}}, {RSP_ZSAU, 800,800,ZSAU_DISCONNECT_IND, 0, 0, {ACT_REMOTEHUP}}, /* hangup */ @@ -358,7 +359,8 @@ struct reply_t gigaset_tab_cid[] = {RSP_ZSAU, 700,729,ZSAU_ACTIVE, 0, 0, {ACT_ABORTACCEPT}}, {RSP_ZSAU, 700,729,ZSAU_DISCONNECT_IND, 0, 0, {ACT_ABORTACCEPT}}, - {EV_TIMEOUT, 750,750, -1, 0, 0, {ACT_CONNTIMEOUT}}, + {EV_BC_OPEN, 750,750, -1, 751,-1}, + {EV_TIMEOUT, 750,751, -1, 0, 0, {ACT_CONNTIMEOUT}}, /* B channel closed (general case) */ {EV_BC_CLOSED, -1, -1, -1, -1,-1, {ACT_NOTIFY_BC_DOWN}}, //FIXME @@ -876,12 +878,6 @@ static void bchannel_down(struct bc_state *bcs) static void bchannel_up(struct bc_state *bcs) { - if (!(bcs->chstate & CHS_D_UP)) { - dev_notice(bcs->cs->dev, "%s: D channel not up\n", __func__); - bcs->chstate |= CHS_D_UP; - gigaset_i4l_channel_cmd(bcs, ISDN_STAT_DCONN); - } - if (bcs->chstate & CHS_B_UP) { dev_notice(bcs->cs->dev, "%s: B channel already up\n", __func__); -- 1.6.2.1.214.ge986c -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/