Added support for FAN Signed-off-by: James Smart <James.Smart@xxxxxxxxxx>
Added support for FAN Signed-off-by: James Smart <James.Smart@xxxxxxxxxx> --- a/drivers/scsi/lpfc/lpfc_hbadisc.c +++ b/drivers/scsi/lpfc/lpfc_hbadisc.c @@ -309,14 +309,12 @@ lpfc_linkdown(struct lpfc_hba * phba) LPFC_MBOXQ_t *mb; int rc, i; - if (phba->hba_state == LPFC_LINK_DOWN) { - return 0; - } - psli = &phba->sli; - /* sysfs or selective reset may call this routine to clean up */ - if (phba->hba_state > LPFC_LINK_DOWN) { + if (phba->hba_state >= LPFC_LINK_DOWN) { + if (phba->hba_state == LPFC_LINK_DOWN) + return 0; + spin_lock_irq(phba->host->host_lock); phba->hba_state = LPFC_LINK_DOWN; spin_unlock_irq(phba->host->host_lock); @@ -1172,6 +1170,7 @@ lpfc_nlp_list(struct lpfc_hba * phba, st spin_lock_irq(phba->host->host_lock); nlp->nlp_flag &= ~NLP_DELAY_TMO; spin_unlock_irq(phba->host->host_lock); + nlp->nlp_last_elscmd = 0; del_timer_sync(&nlp->nlp_delayfunc); if (!list_empty(&nlp->els_retry_evt.evt_listp)) list_del_init(&nlp->els_retry_evt.evt_listp); @@ -1595,6 +1594,7 @@ lpfc_freenode(struct lpfc_hba * phba, st spin_unlock_irq(phba->host->host_lock); del_timer_sync(&ndlp->nlp_tmofunc); + ndlp->nlp_last_elscmd = 0; del_timer_sync(&ndlp->nlp_delayfunc); if (!list_empty(&ndlp->nodev_timeout_evt.evt_listp)) @@ -1630,6 +1630,7 @@ lpfc_nlp_remove(struct lpfc_hba * phba, spin_lock_irq(phba->host->host_lock); ndlp->nlp_flag &= ~NLP_DELAY_TMO; spin_unlock_irq(phba->host->host_lock); + ndlp->nlp_last_elscmd = 0; del_timer_sync(&ndlp->nlp_delayfunc); if (!list_empty(&ndlp->els_retry_evt.evt_listp)) list_del_init(&ndlp->els_retry_evt.evt_listp); --- a/drivers/scsi/lpfc/lpfc_nportdisc.c +++ b/drivers/scsi/lpfc/lpfc_nportdisc.c @@ -262,6 +262,7 @@ lpfc_els_abort(struct lpfc_hba * phba, s /* If we are delaying issuing an ELS command, cancel it */ if (ndlp->nlp_flag & NLP_DELAY_TMO) { ndlp->nlp_flag &= ~NLP_DELAY_TMO; + ndlp->nlp_last_elscmd = 0; del_timer_sync(&ndlp->nlp_delayfunc); if (!list_empty(&ndlp->els_retry_evt.evt_listp)) list_del_init(&ndlp->els_retry_evt.evt_listp); @@ -398,16 +399,8 @@ lpfc_rcv_plogi(struct lpfc_hba * phba, */ mbox->mbox_cmpl = lpfc_mbx_cmpl_reg_login; mbox->context2 = ndlp; - ndlp->nlp_flag |= NLP_ACC_REGLOGIN; + ndlp->nlp_flag |= (NLP_ACC_REGLOGIN | NLP_RCV_PLOGI); - /* If there is an outstanding PLOGI issued, abort it before - * sending ACC rsp to PLOGI recieved. - */ - if (ndlp->nlp_state == NLP_STE_PLOGI_ISSUE) { - /* software abort outstanding PLOGI */ - lpfc_els_abort(phba, ndlp, 1); - } - ndlp->nlp_flag |= NLP_RCV_PLOGI; lpfc_els_rsp_acc(phba, ELS_CMD_PLOGI, cmdiocb, ndlp, mbox, 0); return 1; @@ -465,13 +458,14 @@ lpfc_rcv_padisc(struct lpfc_hba * phba, stat.un.b.vendorUnique = 0; lpfc_els_rsp_reject(phba, stat.un.lsRjtError, cmdiocb, ndlp); - ndlp->nlp_last_elscmd = (unsigned long)ELS_CMD_PLOGI; /* 1 sec timeout */ mod_timer(&ndlp->nlp_delayfunc, jiffies + HZ); spin_lock_irq(phba->host->host_lock); ndlp->nlp_flag |= NLP_DELAY_TMO; spin_unlock_irq(phba->host->host_lock); + ndlp->nlp_last_elscmd = ELS_CMD_PLOGI; + ndlp->nlp_prev_state = ndlp->nlp_state; ndlp->nlp_state = NLP_STE_NPR_NODE; lpfc_nlp_list(phba, ndlp, NLP_NPR_LIST); return 0; @@ -492,15 +486,17 @@ lpfc_rcv_logo(struct lpfc_hba * phba, if (!(ndlp->nlp_type & NLP_FABRIC) || (ndlp->nlp_state == NLP_STE_ADISC_ISSUE)) { /* Only try to re-login if this is NOT a Fabric Node */ - ndlp->nlp_last_elscmd = (unsigned long)ELS_CMD_PLOGI; mod_timer(&ndlp->nlp_delayfunc, jiffies + HZ * 1); spin_lock_irq(phba->host->host_lock); ndlp->nlp_flag |= NLP_DELAY_TMO; spin_unlock_irq(phba->host->host_lock); + ndlp->nlp_last_elscmd = ELS_CMD_PLOGI; + ndlp->nlp_prev_state = ndlp->nlp_state; ndlp->nlp_state = NLP_STE_NPR_NODE; lpfc_nlp_list(phba, ndlp, NLP_NPR_LIST); } else { + ndlp->nlp_prev_state = ndlp->nlp_state; ndlp->nlp_state = NLP_STE_UNUSED_NODE; lpfc_nlp_list(phba, ndlp, NLP_UNUSED_LIST); } @@ -595,6 +591,7 @@ lpfc_rcv_plogi_unused_node(struct lpfc_h cmdiocb = (struct lpfc_iocbq *) arg; if (lpfc_rcv_plogi(phba, ndlp, cmdiocb)) { + ndlp->nlp_prev_state = NLP_STE_UNUSED_NODE; ndlp->nlp_state = NLP_STE_UNUSED_NODE; lpfc_nlp_list(phba, ndlp, NLP_UNUSED_LIST); return ndlp->nlp_state; @@ -708,10 +705,6 @@ lpfc_rcv_els_plogi_issue(struct lpfc_hba /* software abort outstanding PLOGI */ lpfc_els_abort(phba, ndlp, 1); - mod_timer(&ndlp->nlp_delayfunc, jiffies + HZ * 1); - spin_lock_irq(phba->host->host_lock); - ndlp->nlp_flag |= NLP_DELAY_TMO; - spin_unlock_irq(phba->host->host_lock); if (evt == NLP_EVT_RCV_LOGO) { lpfc_els_rsp_acc(phba, ELS_CMD_ACC, cmdiocb, ndlp, NULL, 0); @@ -721,7 +714,12 @@ lpfc_rcv_els_plogi_issue(struct lpfc_hba } /* Put ndlp in npr list set plogi timer for 1 sec */ - ndlp->nlp_last_elscmd = (unsigned long)ELS_CMD_PLOGI; + mod_timer(&ndlp->nlp_delayfunc, jiffies + HZ * 1); + spin_lock_irq(phba->host->host_lock); + ndlp->nlp_flag |= NLP_DELAY_TMO; + spin_unlock_irq(phba->host->host_lock); + ndlp->nlp_last_elscmd = ELS_CMD_PLOGI; + ndlp->nlp_prev_state = NLP_STE_PLOGI_ISSUE; ndlp->nlp_state = NLP_STE_NPR_NODE; lpfc_nlp_list(phba, ndlp, NLP_NPR_LIST); @@ -744,6 +742,7 @@ lpfc_cmpl_plogi_plogi_issue(struct lpfc_ rspiocb = cmdiocb->context_un.rsp_iocb; if (ndlp->nlp_flag & NLP_ACC_REGLOGIN) { + /* Recovery from PLOGI collision logic */ return ndlp->nlp_state; } @@ -859,6 +858,7 @@ lpfc_device_recov_plogi_issue(struct lpf /* software abort outstanding PLOGI */ lpfc_els_abort(phba, ndlp, 1); + ndlp->nlp_prev_state = NLP_STE_PLOGI_ISSUE; ndlp->nlp_state = NLP_STE_NPR_NODE; lpfc_nlp_list(phba, ndlp, NLP_NPR_LIST); spin_lock_irq(phba->host->host_lock); @@ -883,6 +883,7 @@ lpfc_rcv_plogi_adisc_issue(struct lpfc_h if (lpfc_rcv_plogi(phba, ndlp, cmdiocb)) { return ndlp->nlp_state; } + ndlp->nlp_prev_state = NLP_STE_ADISC_ISSUE; ndlp->nlp_state = NLP_STE_PLOGI_ISSUE; lpfc_nlp_list(phba, ndlp, NLP_PLOGI_LIST); lpfc_issue_els_plogi(phba, ndlp, 0); @@ -963,25 +964,29 @@ lpfc_cmpl_adisc_adisc_issue(struct lpfc_ if ((irsp->ulpStatus) || (!lpfc_check_adisc(phba, ndlp, &ap->nodeName, &ap->portName))) { - ndlp->nlp_last_elscmd = (unsigned long)ELS_CMD_PLOGI; /* 1 sec timeout */ mod_timer(&ndlp->nlp_delayfunc, jiffies + HZ); spin_lock_irq(phba->host->host_lock); ndlp->nlp_flag |= NLP_DELAY_TMO; spin_unlock_irq(phba->host->host_lock); + ndlp->nlp_last_elscmd = ELS_CMD_PLOGI; memset(&ndlp->nlp_nodename, 0, sizeof (struct lpfc_name)); memset(&ndlp->nlp_portname, 0, sizeof (struct lpfc_name)); + ndlp->nlp_prev_state = NLP_STE_ADISC_ISSUE; ndlp->nlp_state = NLP_STE_NPR_NODE; lpfc_nlp_list(phba, ndlp, NLP_NPR_LIST); lpfc_unreg_rpi(phba, ndlp); return ndlp->nlp_state; } + if (ndlp->nlp_type & NLP_FCP_TARGET) { + ndlp->nlp_prev_state = NLP_STE_ADISC_ISSUE; ndlp->nlp_state = NLP_STE_MAPPED_NODE; lpfc_nlp_list(phba, ndlp, NLP_MAPPED_LIST); } else { + ndlp->nlp_prev_state = NLP_STE_ADISC_ISSUE; ndlp->nlp_state = NLP_STE_UNMAPPED_NODE; lpfc_nlp_list(phba, ndlp, NLP_UNMAPPED_LIST); } @@ -1008,6 +1013,7 @@ lpfc_device_recov_adisc_issue(struct lpf /* software abort outstanding ADISC */ lpfc_els_abort(phba, ndlp, 1); + ndlp->nlp_prev_state = NLP_STE_ADISC_ISSUE; ndlp->nlp_state = NLP_STE_NPR_NODE; lpfc_nlp_list(phba, ndlp, NLP_NPR_LIST); spin_lock_irq(phba->host->host_lock); @@ -1103,14 +1109,15 @@ lpfc_cmpl_reglogin_reglogin_issue(struct phba->brd_no, did, mb->mbxStatus, phba->hba_state); + /* Put ndlp in npr list set plogi timer for 1 sec */ mod_timer(&ndlp->nlp_delayfunc, jiffies + HZ * 1); spin_lock_irq(phba->host->host_lock); ndlp->nlp_flag |= NLP_DELAY_TMO; spin_unlock_irq(phba->host->host_lock); + ndlp->nlp_last_elscmd = ELS_CMD_PLOGI; lpfc_issue_els_logo(phba, ndlp, 0); - /* Put ndlp in npr list set plogi timer for 1 sec */ - ndlp->nlp_last_elscmd = (unsigned long)ELS_CMD_PLOGI; + ndlp->nlp_prev_state = NLP_STE_REG_LOGIN_ISSUE; ndlp->nlp_state = NLP_STE_NPR_NODE; lpfc_nlp_list(phba, ndlp, NLP_NPR_LIST); return ndlp->nlp_state; @@ -1120,10 +1127,12 @@ lpfc_cmpl_reglogin_reglogin_issue(struct /* Only if we are not a fabric nport do we issue PRLI */ if (!(ndlp->nlp_type & NLP_FABRIC)) { + ndlp->nlp_prev_state = NLP_STE_REG_LOGIN_ISSUE; ndlp->nlp_state = NLP_STE_PRLI_ISSUE; lpfc_nlp_list(phba, ndlp, NLP_PRLI_LIST); lpfc_issue_els_prli(phba, ndlp, 0); } else { + ndlp->nlp_prev_state = NLP_STE_REG_LOGIN_ISSUE; ndlp->nlp_state = NLP_STE_UNMAPPED_NODE; lpfc_nlp_list(phba, ndlp, NLP_UNMAPPED_LIST); } @@ -1144,6 +1153,7 @@ lpfc_device_recov_reglogin_issue(struct struct lpfc_nodelist * ndlp, void *arg, uint32_t evt) { + ndlp->nlp_prev_state = NLP_STE_REG_LOGIN_ISSUE; ndlp->nlp_state = NLP_STE_NPR_NODE; lpfc_nlp_list(phba, ndlp, NLP_NPR_LIST); spin_lock_irq(phba->host->host_lock); @@ -1233,6 +1243,7 @@ lpfc_cmpl_prli_prli_issue(struct lpfc_hb irsp = &rspiocb->iocb; if (irsp->ulpStatus) { + ndlp->nlp_prev_state = NLP_STE_PRLI_ISSUE; ndlp->nlp_state = NLP_STE_UNMAPPED_NODE; lpfc_nlp_list(phba, ndlp, NLP_UNMAPPED_LIST); return ndlp->nlp_state; @@ -1251,6 +1262,7 @@ lpfc_cmpl_prli_prli_issue(struct lpfc_hb ndlp->nlp_fcp_info |= NLP_FCP_2_DEVICE; } + ndlp->nlp_prev_state = NLP_STE_PRLI_ISSUE; ndlp->nlp_state = NLP_STE_MAPPED_NODE; lpfc_nlp_list(phba, ndlp, NLP_MAPPED_LIST); return ndlp->nlp_state; @@ -1308,6 +1320,7 @@ lpfc_device_recov_prli_issue(struct lpfc /* software abort outstanding PRLI */ lpfc_els_abort(phba, ndlp, 1); + ndlp->nlp_prev_state = NLP_STE_PRLI_ISSUE; ndlp->nlp_state = NLP_STE_NPR_NODE; lpfc_nlp_list(phba, ndlp, NLP_NPR_LIST); spin_lock_irq(phba->host->host_lock); @@ -1381,6 +1394,7 @@ static uint32_t lpfc_device_recov_unmap_node(struct lpfc_hba * phba, struct lpfc_nodelist * ndlp, void *arg, uint32_t evt) { + ndlp->nlp_prev_state = NLP_STE_UNMAPPED_NODE; ndlp->nlp_state = NLP_STE_NPR_NODE; lpfc_nlp_list(phba, ndlp, NLP_NPR_LIST); ndlp->nlp_flag &= ~NLP_NPR_2B_DISC; @@ -1462,6 +1476,7 @@ lpfc_device_recov_mapped_node(struct lpf struct lpfc_nodelist * ndlp, void *arg, uint32_t evt) { + ndlp->nlp_prev_state = NLP_STE_MAPPED_NODE; ndlp->nlp_state = NLP_STE_NPR_NODE; lpfc_nlp_list(phba, ndlp, NLP_NPR_LIST); spin_lock_irq(phba->host->host_lock); @@ -1494,6 +1509,7 @@ lpfc_rcv_plogi_npr_node(struct lpfc_hba /* send PLOGI immediately, move to PLOGI issue state */ if (!(ndlp->nlp_flag & NLP_DELAY_TMO)) { + ndlp->nlp_prev_state = NLP_STE_NPR_NODE; ndlp->nlp_state = NLP_STE_PLOGI_ISSUE; lpfc_nlp_list(phba, ndlp, NLP_PLOGI_LIST); lpfc_issue_els_plogi(phba, ndlp, 0); @@ -1521,10 +1537,12 @@ lpfc_rcv_prli_npr_node(struct lpfc_hba * spin_lock_irq(phba->host->host_lock); ndlp->nlp_flag &= ~NLP_NPR_ADISC; spin_unlock_irq(phba->host->host_lock); + ndlp->nlp_prev_state = NLP_STE_NPR_NODE; ndlp->nlp_state = NLP_STE_ADISC_ISSUE; lpfc_nlp_list(phba, ndlp, NLP_ADISC_LIST); lpfc_issue_els_adisc(phba, ndlp, 0); } else { + ndlp->nlp_prev_state = NLP_STE_NPR_NODE; ndlp->nlp_state = NLP_STE_PLOGI_ISSUE; lpfc_nlp_list(phba, ndlp, NLP_PLOGI_LIST); lpfc_issue_els_plogi(phba, ndlp, 0); @@ -1559,10 +1577,12 @@ lpfc_rcv_padisc_npr_node(struct lpfc_hba if (!(ndlp->nlp_flag & NLP_DELAY_TMO)) { if (ndlp->nlp_flag & NLP_NPR_ADISC) { + ndlp->nlp_prev_state = NLP_STE_NPR_NODE; ndlp->nlp_state = NLP_STE_ADISC_ISSUE; lpfc_nlp_list(phba, ndlp, NLP_ADISC_LIST); lpfc_issue_els_adisc(phba, ndlp, 0); } else { + ndlp->nlp_prev_state = NLP_STE_NPR_NODE; ndlp->nlp_state = NLP_STE_PLOGI_ISSUE; lpfc_nlp_list(phba, ndlp, NLP_PLOGI_LIST); lpfc_issue_els_plogi(phba, ndlp, 0); @@ -1592,6 +1612,7 @@ lpfc_rcv_prlo_npr_node(struct lpfc_hba * ndlp->nlp_flag |= NLP_DELAY_TMO; ndlp->nlp_flag &= ~NLP_NPR_ADISC; spin_unlock_irq(phba->host->host_lock); + ndlp->nlp_last_elscmd = ELS_CMD_PLOGI; } else { spin_lock_irq(phba->host->host_lock); ndlp->nlp_flag &= ~NLP_NPR_ADISC; @@ -1681,6 +1702,7 @@ lpfc_device_recov_npr_node(struct lpfc_h if (!list_empty(&ndlp->els_retry_evt.evt_listp)) list_del_init(&ndlp->els_retry_evt.evt_listp); spin_unlock_irq(phba->host->host_lock); + ndlp->nlp_last_elscmd = 0; del_timer_sync(&ndlp->nlp_delayfunc); return ndlp->nlp_state; } @@ -1905,6 +1927,5 @@ lpfc_disc_state_machine(struct lpfc_hba } if (rc == NLP_STE_FREED_NODE) return NLP_STE_FREED_NODE; - ndlp->nlp_state = rc; return rc; } --- a/drivers/scsi/lpfc/lpfc_els.c +++ b/drivers/scsi/lpfc/lpfc_els.c @@ -1201,12 +1201,10 @@ lpfc_cmpl_els_logo(struct lpfc_hba * phb NLP_EVT_CMPL_LOGO); } } else { - /* Good status, call state machine */ + /* Good status, call state machine. + * This will unregister the rpi if needed. + */ lpfc_disc_state_machine(phba, ndlp, cmdiocb, NLP_EVT_CMPL_LOGO); - - if (ndlp->nlp_flag & NLP_DELAY_TMO) { - lpfc_unreg_rpi(phba, ndlp); - } } out: @@ -1435,8 +1433,9 @@ lpfc_els_retry_delay_handler(struct lpfc phba = ndlp->nlp_phba; spin_lock_irq(phba->host->host_lock); - did = (uint32_t) (ndlp->nlp_DID); - cmd = (uint32_t) (ndlp->nlp_last_elscmd); + did = ndlp->nlp_DID; + cmd = ndlp->nlp_last_elscmd; + ndlp->nlp_last_elscmd = 0; if (!(ndlp->nlp_flag & NLP_DELAY_TMO)) { spin_unlock_irq(phba->host->host_lock); @@ -1453,24 +1452,28 @@ lpfc_els_retry_delay_handler(struct lpfc break; case ELS_CMD_PLOGI: if (!lpfc_issue_els_plogi(phba, ndlp, retry)) { + ndlp->nlp_prev_state = ndlp->nlp_state; ndlp->nlp_state = NLP_STE_PLOGI_ISSUE; lpfc_nlp_list(phba, ndlp, NLP_PLOGI_LIST); } break; case ELS_CMD_ADISC: if (!lpfc_issue_els_adisc(phba, ndlp, retry)) { + ndlp->nlp_prev_state = ndlp->nlp_state; ndlp->nlp_state = NLP_STE_ADISC_ISSUE; lpfc_nlp_list(phba, ndlp, NLP_ADISC_LIST); } break; case ELS_CMD_PRLI: if (!lpfc_issue_els_prli(phba, ndlp, retry)) { + ndlp->nlp_prev_state = ndlp->nlp_state; ndlp->nlp_state = NLP_STE_PRLI_ISSUE; lpfc_nlp_list(phba, ndlp, NLP_PRLI_LIST); } break; case ELS_CMD_LOGO: if (!lpfc_issue_els_logo(phba, ndlp, retry)) { + ndlp->nlp_prev_state = ndlp->nlp_state; ndlp->nlp_state = NLP_STE_NPR_NODE; lpfc_nlp_list(phba, ndlp, NLP_NPR_LIST); } @@ -1630,6 +1633,7 @@ lpfc_els_retry(struct lpfc_hba * phba, s mod_timer(&ndlp->nlp_delayfunc, jiffies + HZ); ndlp->nlp_flag |= NLP_DELAY_TMO; + ndlp->nlp_prev_state = ndlp->nlp_state; ndlp->nlp_state = NLP_STE_NPR_NODE; lpfc_nlp_list(phba, ndlp, NLP_NPR_LIST); ndlp->nlp_last_elscmd = cmd; @@ -1641,21 +1645,25 @@ lpfc_els_retry(struct lpfc_hba * phba, s lpfc_issue_els_flogi(phba, ndlp, cmdiocb->retry); return 1; case ELS_CMD_PLOGI: + ndlp->nlp_prev_state = ndlp->nlp_state; ndlp->nlp_state = NLP_STE_PLOGI_ISSUE; lpfc_nlp_list(phba, ndlp, NLP_PLOGI_LIST); lpfc_issue_els_plogi(phba, ndlp, cmdiocb->retry); return 1; case ELS_CMD_ADISC: + ndlp->nlp_prev_state = ndlp->nlp_state; ndlp->nlp_state = NLP_STE_ADISC_ISSUE; lpfc_nlp_list(phba, ndlp, NLP_ADISC_LIST); lpfc_issue_els_adisc(phba, ndlp, cmdiocb->retry); return 1; case ELS_CMD_PRLI: + ndlp->nlp_prev_state = ndlp->nlp_state; ndlp->nlp_state = NLP_STE_PRLI_ISSUE; lpfc_nlp_list(phba, ndlp, NLP_PRLI_LIST); lpfc_issue_els_prli(phba, ndlp, cmdiocb->retry); return 1; case ELS_CMD_LOGO: + ndlp->nlp_prev_state = ndlp->nlp_state; ndlp->nlp_state = NLP_STE_NPR_NODE; lpfc_nlp_list(phba, ndlp, NLP_NPR_LIST); lpfc_issue_els_logo(phba, ndlp, cmdiocb->retry); @@ -1719,10 +1727,6 @@ lpfc_cmpl_els_logo_acc(struct lpfc_hba * phba->brd_no, ndlp->nlp_DID, ndlp->nlp_flag, ndlp->nlp_state, ndlp->nlp_rpi); - spin_lock_irq(phba->host->host_lock); - ndlp->nlp_flag &= ~NLP_LOGO_ACC; - spin_unlock_irq(phba->host->host_lock); - switch (ndlp->nlp_state) { case NLP_STE_UNUSED_NODE: /* node is just allocated */ lpfc_nlp_list(phba, ndlp, NLP_NO_LIST); @@ -1776,6 +1780,7 @@ lpfc_cmpl_els_acc(struct lpfc_hba * phba lpfc_unreg_rpi(phba, ndlp); mbox->mbox_cmpl = lpfc_mbx_cmpl_reg_login; mbox->context2 = ndlp; + ndlp->nlp_prev_state = ndlp->nlp_state; ndlp->nlp_state = NLP_STE_REG_LOGIN_ISSUE; lpfc_nlp_list(phba, ndlp, NLP_REGLOGIN_LIST); if (lpfc_sli_issue_mbox(phba, mbox, @@ -1790,6 +1795,7 @@ lpfc_cmpl_els_acc(struct lpfc_hba * phba mempool_free( mbox, phba->mbox_mem_pool); if (ndlp->nlp_flag & NLP_ACC_REGLOGIN) { lpfc_nlp_list(phba, ndlp, NLP_NO_LIST); + ndlp = NULL; } } } @@ -1827,6 +1833,7 @@ lpfc_els_rsp_acc(struct lpfc_hba * phba, if ((elsiocb = lpfc_prep_els_iocb(phba, 0, cmdsize, oldiocb->retry, ndlp, ELS_CMD_ACC)) == 0) { + ndlp->nlp_flag &= ~NLP_LOGO_ACC; return 1; } icmd = &elsiocb->iocb; @@ -2172,6 +2179,7 @@ lpfc_els_disc_adisc(struct lpfc_hba * ph if (ndlp->nlp_flag & NLP_NPR_2B_DISC) { if (ndlp->nlp_flag & NLP_NPR_ADISC) { ndlp->nlp_flag &= ~NLP_NPR_ADISC; + ndlp->nlp_prev_state = ndlp->nlp_state; ndlp->nlp_state = NLP_STE_ADISC_ISSUE; lpfc_nlp_list(phba, ndlp, NLP_ADISC_LIST); @@ -2209,6 +2217,7 @@ lpfc_els_disc_plogi(struct lpfc_hba * ph if ((ndlp->nlp_flag & NLP_NPR_2B_DISC) && (!(ndlp->nlp_flag & NLP_DELAY_TMO))) { if (!(ndlp->nlp_flag & NLP_NPR_ADISC)) { + ndlp->nlp_prev_state = ndlp->nlp_state; ndlp->nlp_state = NLP_STE_PLOGI_ISSUE; lpfc_nlp_list(phba, ndlp, NLP_PLOGI_LIST); lpfc_issue_els_plogi(phba, ndlp, 0); @@ -2350,8 +2359,13 @@ lpfc_rscn_recovery_check(struct lpfc_hba lpfc_disc_state_machine(phba, ndlp, NULL, NLP_EVT_DEVICE_RECOVERY); + + /* Make sure NLP_DELAY_TMO is NOT running + * after a device recovery event. + */ if (ndlp->nlp_flag & NLP_DELAY_TMO) { ndlp->nlp_flag &= ~NLP_DELAY_TMO; + ndlp->nlp_last_elscmd = 0; del_timer_sync(&ndlp->nlp_delayfunc); if (!list_empty(&ndlp-> els_retry_evt.evt_listp)) @@ -2503,6 +2517,7 @@ lpfc_els_handle_rscn(struct lpfc_hba * p } else { lpfc_nlp_init(phba, ndlp, NameServer_DID); ndlp->nlp_type |= NLP_FABRIC; + ndlp->nlp_prev_state = ndlp->nlp_state; ndlp->nlp_state = NLP_STE_PLOGI_ISSUE; lpfc_issue_els_plogi(phba, ndlp, 0); /* Wait for NameServer login cmpl before we can @@ -2930,6 +2945,7 @@ lpfc_els_rcv_farp(struct lpfc_hba * phba (ndlp->nlp_state == NLP_STE_MAPPED_NODE)) { /* Log back into the node before sending the FARP. */ if (fp->Rflags & FARP_REQUEST_PLOGI) { + ndlp->nlp_prev_state = ndlp->nlp_state; ndlp->nlp_state = NLP_STE_PLOGI_ISSUE; lpfc_nlp_list(phba, ndlp, NLP_PLOGI_LIST); lpfc_issue_els_plogi(phba, ndlp, 0); @@ -2974,46 +2990,89 @@ lpfc_els_rcv_farpr(struct lpfc_hba * phb static int lpfc_els_rcv_fan(struct lpfc_hba * phba, struct lpfc_iocbq * cmdiocb, - struct lpfc_nodelist * ndlp) + struct lpfc_nodelist * fan_ndlp) { struct lpfc_dmabuf *pcmd; uint32_t *lp; IOCB_t *icmd; - FAN *fp; uint32_t cmd, did; + FAN *fp; + struct lpfc_nodelist *ndlp, *next_ndlp; + + /* FAN received */ + lpfc_printf_log(phba, KERN_INFO, LOG_ELS, "%d:265 FAN received\n", + phba->brd_no); icmd = &cmdiocb->iocb; did = icmd->un.elsreq64.remoteID; - pcmd = (struct lpfc_dmabuf *) cmdiocb->context2; - lp = (uint32_t *) pcmd->virt; + pcmd = (struct lpfc_dmabuf *)cmdiocb->context2; + lp = (uint32_t *)pcmd->virt; cmd = *lp++; - fp = (FAN *) lp; + fp = (FAN *)lp; - /* FAN received */ - - /* ACCEPT the FAN request */ - lpfc_els_rsp_acc(phba, ELS_CMD_ACC, cmdiocb, ndlp, NULL, 0); + /* FAN received; Fan does not have a reply sequence */ if (phba->hba_state == LPFC_LOCAL_CFG_LINK) { - /* The discovery state machine needs to take a different - * action if this node has switched fabrics - */ - if ((memcmp(&fp->FportName, &phba->fc_fabparam.portName, - sizeof (struct lpfc_name)) != 0) - || - (memcmp(&fp->FnodeName, &phba->fc_fabparam.nodeName, - sizeof (struct lpfc_name)) != 0)) { - /* This node has switched fabrics. An FLOGI is required - * after the timeout + if ((memcmp(&phba->fc_fabparam.nodeName, &fp->FnodeName, + sizeof(struct lpfc_name)) != 0) || + (memcmp(&phba->fc_fabparam.portName, &fp->FportName, + sizeof(struct lpfc_name)) != 0)) { + /* + * This node has switched fabrics. FLOGI is required + * Clean up the old rpi's */ + + list_for_each_entry_safe(ndlp, next_ndlp, + &phba->fc_npr_list, nlp_listp) { + + if (ndlp->nlp_type & NLP_FABRIC) { + /* + * Clean up old Fabric, Nameserver and + * other NLP_FABRIC logins + */ + lpfc_nlp_list(phba, ndlp, NLP_NO_LIST); + } + else if (!(ndlp->nlp_flag & NLP_NPR_ADISC)) { + /* Fail outstanding I/O now since this + * device is marked for PLOGI + */ + lpfc_unreg_rpi(phba, ndlp); + } + } + + phba->hba_state = LPFC_FLOGI; + lpfc_set_disctmo(phba); + lpfc_initial_flogi(phba); return 0; } + /* Discovery not needed, + * move the nodes to their original state. + */ + list_for_each_entry_safe(ndlp, next_ndlp, &phba->fc_npr_list, + nlp_listp) { - /* Start discovery */ + switch (ndlp->nlp_prev_state) { + case NLP_STE_UNMAPPED_NODE: + ndlp->nlp_prev_state = NLP_STE_NPR_NODE; + ndlp->nlp_state = NLP_STE_UNMAPPED_NODE; + lpfc_nlp_list(phba, ndlp, NLP_UNMAPPED_LIST); + break; + + case NLP_STE_MAPPED_NODE: + ndlp->nlp_prev_state = NLP_STE_NPR_NODE; + ndlp->nlp_state = NLP_STE_MAPPED_NODE; + lpfc_nlp_list(phba, ndlp, NLP_MAPPED_LIST); + break; + + default: + break; + } + } + + /* Start discovery - this should just do CLEAR_LA */ lpfc_disc_start(phba); } - return 0; } --- a/drivers/scsi/lpfc/lpfc_disc.h +++ b/drivers/scsi/lpfc/lpfc_disc.h @@ -62,6 +62,7 @@ struct lpfc_nodelist { uint16_t nlp_rpi; uint16_t nlp_state; /* state transition indicator */ + uint16_t nlp_prev_state; /* state transition indicator */ uint16_t nlp_xri; /* output exchange id for RPI */ uint16_t nlp_sid; /* scsi id */ #define NLP_NO_SID 0xffff