From: Roman Bolshakov <r.bolshakov@yadro.com> To: linux-scsi@vger.kernel.org, target-devel@vger.kernel.org Cc: linux@yadro.com, Roman Bolshakov <r.bolshakov@yadro.com>, Quinn Tran <qutran@marvell.com>, Himanshu Madhani <hmadhani@marvell.com> Subject: [PATCH v2 11/15] scsi: qla2xxx: Ignore PORT UPDATE after N2N PLOGI Date: Wed, 20 Nov 2019 22:27:19 +0000 [thread overview] Message-ID: <20191120222723.27779-12-r.bolshakov@yadro.com> (raw) In-Reply-To: <20191120222723.27779-1-r.bolshakov@yadro.com> PORT UPDATE asynchronous event is generated on the host that issues PLOGI ELS (in the case of higher WWPN). In that case, the event shouldn't be handled as it sets unwanted DPC flags (i.e. LOOP_RESYNC_NEEDED) that trigger link flap. Ignore the event if the host has higher WWPN, but handle otherwise. Cc: Quinn Tran <qutran@marvell.com> Cc: Himanshu Madhani <hmadhani@marvell.com> Signed-off-by: Roman Bolshakov <r.bolshakov@yadro.com> --- drivers/scsi/qla2xxx/qla_mbx.c | 3 ++- 1 file changed, 2 insertions(+), 1 deletion(-) diff --git a/drivers/scsi/qla2xxx/qla_mbx.c b/drivers/scsi/qla2xxx/qla_mbx.c index 4eb88c3ee08e..bb6811b94683 100644 --- a/drivers/scsi/qla2xxx/qla_mbx.c +++ b/drivers/scsi/qla2xxx/qla_mbx.c @@ -3920,6 +3920,7 @@ qla24xx_report_id_acquisition(scsi_qla_host_t *vha, vha->d_id.b24 = 0; vha->d_id.b.al_pa = 1; ha->flags.n2n_bigger = 1; + ha->flags.n2n_ae = 0; id.b.al_pa = 2; ql_dbg(ql_dbg_async, vha, 0x5075, @@ -3930,6 +3931,7 @@ qla24xx_report_id_acquisition(scsi_qla_host_t *vha, "Format 1: Remote login - Waiting for WWPN %8phC.\n", rptid_entry->u.f1.port_name); ha->flags.n2n_bigger = 0; + ha->flags.n2n_ae = 1; } qla24xx_post_newsess_work(vha, &id, rptid_entry->u.f1.port_name, @@ -3941,7 +3943,6 @@ qla24xx_report_id_acquisition(scsi_qla_host_t *vha, /* if our portname is higher then initiate N2N login */ set_bit(N2N_LOGIN_NEEDED, &vha->dpc_flags); - ha->flags.n2n_ae = 1; return; break; case TOPO_FL: -- 2.24.0
WARNING: multiple messages have this Message-ID (diff)
From: Roman Bolshakov <r.bolshakov@yadro.com> To: <linux-scsi@vger.kernel.org>, <target-devel@vger.kernel.org> Cc: <linux@yadro.com>, Roman Bolshakov <r.bolshakov@yadro.com>, Quinn Tran <qutran@marvell.com>, Himanshu Madhani <hmadhani@marvell.com> Subject: [PATCH v2 11/15] scsi: qla2xxx: Ignore PORT UPDATE after N2N PLOGI Date: Thu, 21 Nov 2019 01:27:19 +0300 [thread overview] Message-ID: <20191120222723.27779-12-r.bolshakov@yadro.com> (raw) In-Reply-To: <20191120222723.27779-1-r.bolshakov@yadro.com> PORT UPDATE asynchronous event is generated on the host that issues PLOGI ELS (in the case of higher WWPN). In that case, the event shouldn't be handled as it sets unwanted DPC flags (i.e. LOOP_RESYNC_NEEDED) that trigger link flap. Ignore the event if the host has higher WWPN, but handle otherwise. Cc: Quinn Tran <qutran@marvell.com> Cc: Himanshu Madhani <hmadhani@marvell.com> Signed-off-by: Roman Bolshakov <r.bolshakov@yadro.com> --- drivers/scsi/qla2xxx/qla_mbx.c | 3 ++- 1 file changed, 2 insertions(+), 1 deletion(-) diff --git a/drivers/scsi/qla2xxx/qla_mbx.c b/drivers/scsi/qla2xxx/qla_mbx.c index 4eb88c3ee08e..bb6811b94683 100644 --- a/drivers/scsi/qla2xxx/qla_mbx.c +++ b/drivers/scsi/qla2xxx/qla_mbx.c @@ -3920,6 +3920,7 @@ qla24xx_report_id_acquisition(scsi_qla_host_t *vha, vha->d_id.b24 = 0; vha->d_id.b.al_pa = 1; ha->flags.n2n_bigger = 1; + ha->flags.n2n_ae = 0; id.b.al_pa = 2; ql_dbg(ql_dbg_async, vha, 0x5075, @@ -3930,6 +3931,7 @@ qla24xx_report_id_acquisition(scsi_qla_host_t *vha, "Format 1: Remote login - Waiting for WWPN %8phC.\n", rptid_entry->u.f1.port_name); ha->flags.n2n_bigger = 0; + ha->flags.n2n_ae = 1; } qla24xx_post_newsess_work(vha, &id, rptid_entry->u.f1.port_name, @@ -3941,7 +3943,6 @@ qla24xx_report_id_acquisition(scsi_qla_host_t *vha, /* if our portname is higher then initiate N2N login */ set_bit(N2N_LOGIN_NEEDED, &vha->dpc_flags); - ha->flags.n2n_ae = 1; return; break; case TOPO_FL: -- 2.24.0
next prev parent reply other threads:[~2019-11-20 22:27 UTC|newest] Thread overview: 68+ messages / expand[flat|nested] mbox.gz Atom feed top 2019-11-20 22:27 [PATCH v2 00/15] scsi: qla2xxx: Bug fixes Roman Bolshakov 2019-11-20 22:27 ` Roman Bolshakov 2019-11-20 22:27 ` [PATCH v2 01/15] scsi: qla2xxx: Ignore NULL pointer in tcm_qla2xxx_free_mcmd Roman Bolshakov 2019-11-20 22:27 ` Roman Bolshakov 2019-11-20 22:27 ` [PATCH v2 02/15] scsi: qla2xxx: Initialize free_work before flushing it Roman Bolshakov 2019-11-20 22:27 ` Roman Bolshakov 2019-11-20 22:27 ` [PATCH v2 03/15] scsi: qla2xxx: Drop superfluous INIT_WORK of del_work Roman Bolshakov 2019-11-20 22:27 ` Roman Bolshakov 2019-11-20 22:27 ` [PATCH v2 04/15] scsi: qla2xxx: Change discovery state before PLOGI Roman Bolshakov 2019-11-20 22:27 ` Roman Bolshakov 2019-11-20 22:27 ` [PATCH v2 05/15] scsi: qla2xxx: Allow PLOGI in target mode Roman Bolshakov 2019-11-20 22:27 ` Roman Bolshakov 2019-11-20 22:52 ` [EXT] " Quinn Tran 2019-11-21 16:38 ` Himanshu Madhani 2019-11-21 16:38 ` Himanshu Madhani 2019-11-20 22:27 ` [PATCH v2 06/15] scsi: qla2xxx: Don't call qlt_async_event twice Roman Bolshakov 2019-11-20 22:27 ` Roman Bolshakov 2019-11-21 15:43 ` Himanshu Madhani 2019-11-21 15:43 ` Himanshu Madhani 2019-11-20 22:27 ` [PATCH v2 07/15] scsi: qla2xxx: Fix PLOGI payload and ELS IOCB dump length Roman Bolshakov 2019-11-20 22:27 ` Roman Bolshakov 2019-11-21 16:39 ` [EXT] " Himanshu Madhani 2019-11-21 16:39 ` Himanshu Madhani 2019-11-20 22:27 ` [PATCH v2 08/15] scsi: qla2xxx: Configure local loop for N2N target Roman Bolshakov 2019-11-20 22:27 ` Roman Bolshakov 2019-11-20 23:06 ` [EXT] " Quinn Tran 2019-11-21 16:39 ` Himanshu Madhani 2019-11-21 16:39 ` Himanshu Madhani 2019-11-20 22:27 ` [PATCH v2 09/15] scsi: qla2xxx: Send Notify ACK after N2N PLOGI Roman Bolshakov 2019-11-20 22:27 ` Roman Bolshakov 2019-11-20 23:53 ` [EXT] " Quinn Tran 2019-11-21 16:40 ` Himanshu Madhani 2019-11-21 16:40 ` Himanshu Madhani 2019-11-20 22:27 ` [PATCH v2 10/15] scsi: qla2xxx: Don't defer relogin unconditonally Roman Bolshakov 2019-11-20 22:27 ` Roman Bolshakov 2019-11-21 0:03 ` [EXT] " Quinn Tran 2019-11-20 22:27 ` Roman Bolshakov [this message] 2019-11-20 22:27 ` [PATCH v2 11/15] scsi: qla2xxx: Ignore PORT UPDATE after N2N PLOGI Roman Bolshakov 2019-11-20 22:27 ` [PATCH v2 12/15] scsi: qla2xxx: Use explicit LOGO in target mode Roman Bolshakov 2019-11-20 22:27 ` Roman Bolshakov 2019-11-23 4:58 ` kbuild test robot 2019-11-23 4:58 ` kbuild test robot 2019-11-23 4:58 ` kbuild test robot 2019-11-20 22:27 ` [PATCH v2 13/15] scsi: qla2xxx: Add async mode for qla24xx_els_dcmd_iocb Roman Bolshakov 2019-11-20 22:27 ` Roman Bolshakov 2019-11-21 22:50 ` [EXT] " Quinn Tran 2019-11-22 5:04 ` Mark Harvey 2019-11-22 5:04 ` Mark Harvey 2019-11-22 17:00 ` Quinn Tran 2019-11-22 17:00 ` Quinn Tran 2019-11-24 19:15 ` Roman Bolshakov 2019-11-24 19:15 ` Roman Bolshakov 2019-11-20 22:27 ` [PATCH v2 14/15] scsi: qla2xxx: Add debug dump of LOGO payload and ELS IOCB Roman Bolshakov 2019-11-20 22:27 ` Roman Bolshakov 2019-11-21 16:37 ` Himanshu Madhani 2019-11-21 16:37 ` Himanshu Madhani 2019-11-21 22:52 ` [EXT] " Quinn Tran 2019-11-20 22:27 ` [PATCH v2 15/15] scsi: qla2xxx: Handle ABTS according to FCP spec for logged out ports Roman Bolshakov 2019-11-20 22:27 ` Roman Bolshakov 2019-11-23 5:57 ` kbuild test robot 2019-11-23 5:57 ` kbuild test robot 2019-11-23 5:57 ` kbuild test robot 2019-11-22 9:14 ` [PATCH v2 00/15] scsi: qla2xxx: Bug fixes Hannes Reinecke 2019-11-22 9:14 ` Hannes Reinecke 2019-11-22 21:36 ` Martin Wilck 2019-11-22 21:36 ` Martin Wilck 2019-11-24 18:31 ` Roman Bolshakov 2019-11-24 18:31 ` Roman Bolshakov
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