From a8fdfb0b39c2b31722c70bdf2272b949d5af4b7b Mon Sep 17 00:00:00 2001 From: Quinn Tran Date: Wed, 8 Jun 2022 04:58:45 -0700 Subject: [PATCH] scsi: qla2xxx: edif: Fix session thrash Current code prematurely sends out PRLI before authentication application has given the OK to do so. This causes PRLI failure and session teardown. Prevents PRLI from going out before authentication app gives the OK. Link: https://lore.kernel.org/r/20220608115849.16693-7-njavali@marvell.com Fixes: 91f6f5fbe87b ("scsi: qla2xxx: edif: Reduce connection thrash") Reviewed-by: Himanshu Madhani Signed-off-by: Quinn Tran Signed-off-by: Nilesh Javali Signed-off-by: Martin K. Petersen --- drivers/scsi/qla2xxx/qla_edif.c | 2 +- drivers/scsi/qla2xxx/qla_edif.h | 4 ++++ drivers/scsi/qla2xxx/qla_init.c | 10 +++++++++- 3 files changed, 14 insertions(+), 2 deletions(-) diff --git a/drivers/scsi/qla2xxx/qla_edif.c b/drivers/scsi/qla2xxx/qla_edif.c index 17dcc4a32118e..51736a71f2b6a 100644 --- a/drivers/scsi/qla2xxx/qla_edif.c +++ b/drivers/scsi/qla2xxx/qla_edif.c @@ -3517,7 +3517,7 @@ int qla_edif_process_els(scsi_qla_host_t *vha, struct bsg_job *bsg_job) if (qla_bsg_check(vha, bsg_job, fcport)) return 0; - if (fcport->loop_id == FC_NO_LOOP_ID) { + if (EDIF_SESS_DELETE(fcport)) { ql_dbg(ql_dbg_edif, vha, 0x910d, "%s ELS code %x, no loop id.\n", __func__, bsg_request->rqst_data.r_els.els_code); diff --git a/drivers/scsi/qla2xxx/qla_edif.h b/drivers/scsi/qla2xxx/qla_edif.h index 3561e22b8f0fc..7cdb89ccdc6ea 100644 --- a/drivers/scsi/qla2xxx/qla_edif.h +++ b/drivers/scsi/qla2xxx/qla_edif.h @@ -141,4 +141,8 @@ struct enode { (DBELL_ACTIVE(_fcport->vha) && \ (_fcport->disc_state == DSC_LOGIN_AUTH_PEND)) +#define EDIF_SESS_DELETE(_s) \ + (qla_ini_mode_enabled(_s->vha) && (_s->disc_state == DSC_DELETE_PEND || \ + _s->disc_state == DSC_DELETED)) + #endif /* __QLA_EDIF_H */ diff --git a/drivers/scsi/qla2xxx/qla_init.c b/drivers/scsi/qla2xxx/qla_init.c index d915c1f85fa2f..6070834104f64 100644 --- a/drivers/scsi/qla2xxx/qla_init.c +++ b/drivers/scsi/qla2xxx/qla_init.c @@ -1762,8 +1762,16 @@ int qla24xx_fcport_handle_login(struct scsi_qla_host *vha, fc_port_t *fcport) break; case DSC_LOGIN_PEND: - if (fcport->fw_login_state == DSC_LS_PLOGI_COMP) + if (vha->hw->flags.edif_enabled) + break; + + if (fcport->fw_login_state == DSC_LS_PLOGI_COMP) { + ql_dbg(ql_dbg_disc, vha, 0x2118, + "%s %d %8phC post %s PRLI\n", + __func__, __LINE__, fcport->port_name, + NVME_TARGET(vha->hw, fcport) ? "NVME" : "FC"); qla24xx_post_prli_work(vha, fcport); + } break; case DSC_UPD_FCPORT: -- 2.30.2