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path: root/drivers/scsi/lpfc/lpfc_els.c
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Diffstat (limited to 'drivers/scsi/lpfc/lpfc_els.c')
-rw-r--r--drivers/scsi/lpfc/lpfc_els.c141
1 files changed, 115 insertions, 26 deletions
diff --git a/drivers/scsi/lpfc/lpfc_els.c b/drivers/scsi/lpfc/lpfc_els.c
index 3407b39e0a3..d54ae199979 100644
--- a/drivers/scsi/lpfc/lpfc_els.c
+++ b/drivers/scsi/lpfc/lpfc_els.c
@@ -230,27 +230,43 @@ lpfc_prep_els_iocb(struct lpfc_vport *vport, uint8_t expectRsp,
INIT_LIST_HEAD(&pbuflist->list);
- icmd->un.elsreq64.bdl.addrHigh = putPaddrHigh(pbuflist->phys);
- icmd->un.elsreq64.bdl.addrLow = putPaddrLow(pbuflist->phys);
- icmd->un.elsreq64.bdl.bdeFlags = BUFF_TYPE_BLP_64;
- icmd->un.elsreq64.remoteID = did; /* DID */
if (expectRsp) {
+ icmd->un.elsreq64.bdl.addrHigh = putPaddrHigh(pbuflist->phys);
+ icmd->un.elsreq64.bdl.addrLow = putPaddrLow(pbuflist->phys);
+ icmd->un.elsreq64.bdl.bdeFlags = BUFF_TYPE_BLP_64;
icmd->un.elsreq64.bdl.bdeSize = (2 * sizeof(struct ulp_bde64));
+
+ icmd->un.elsreq64.remoteID = did; /* DID */
icmd->ulpCommand = CMD_ELS_REQUEST64_CR;
icmd->ulpTimeout = phba->fc_ratov * 2;
} else {
- icmd->un.elsreq64.bdl.bdeSize = sizeof(struct ulp_bde64);
+ icmd->un.xseq64.bdl.addrHigh = putPaddrHigh(pbuflist->phys);
+ icmd->un.xseq64.bdl.addrLow = putPaddrLow(pbuflist->phys);
+ icmd->un.xseq64.bdl.bdeFlags = BUFF_TYPE_BLP_64;
+ icmd->un.xseq64.bdl.bdeSize = sizeof(struct ulp_bde64);
+ icmd->un.xseq64.xmit_els_remoteID = did; /* DID */
icmd->ulpCommand = CMD_XMIT_ELS_RSP64_CX;
}
icmd->ulpBdeCount = 1;
icmd->ulpLe = 1;
icmd->ulpClass = CLASS3;
- if (phba->sli3_options & LPFC_SLI3_NPIV_ENABLED) {
- icmd->un.elsreq64.myID = vport->fc_myDID;
+ /*
+ * If we have NPIV enabled, we want to send ELS traffic by VPI.
+ * For SLI4, since the driver controls VPIs we also want to include
+ * all ELS pt2pt protocol traffic as well.
+ */
+ if ((phba->sli3_options & LPFC_SLI3_NPIV_ENABLED) ||
+ ((phba->sli_rev == LPFC_SLI_REV4) &&
+ (vport->fc_flag & FC_PT2PT))) {
+
+ if (expectRsp) {
+ icmd->un.elsreq64.myID = vport->fc_myDID;
+
+ /* For ELS_REQUEST64_CR, use the VPI by default */
+ icmd->ulpContext = phba->vpi_ids[vport->vpi];
+ }
- /* For ELS_REQUEST64_CR, use the VPI by default */
- icmd->ulpContext = phba->vpi_ids[vport->vpi];
icmd->ulpCt_h = 0;
/* The CT field must be 0=INVALID_RPI for the ECHO cmd */
if (elscmd == ELS_CMD_ECHO)
@@ -438,9 +454,10 @@ lpfc_issue_reg_vfi(struct lpfc_vport *vport)
int rc = 0;
sp = &phba->fc_fabparam;
- /* move forward in case of SLI4 FC port loopback test */
+ /* move forward in case of SLI4 FC port loopback test and pt2pt mode */
if ((phba->sli_rev == LPFC_SLI_REV4) &&
- !(phba->link_flag & LS_LOOPBACK_MODE)) {
+ !(phba->link_flag & LS_LOOPBACK_MODE) &&
+ !(vport->fc_flag & FC_PT2PT)) {
ndlp = lpfc_findnode_did(vport, Fabric_DID);
if (!ndlp || !NLP_CHK_NODE_ACT(ndlp)) {
rc = -ENODEV;
@@ -707,14 +724,17 @@ lpfc_cmpl_els_flogi_fabric(struct lpfc_vport *vport, struct lpfc_nodelist *ndlp,
lpfc_sli4_unreg_all_rpis(vport);
lpfc_mbx_unreg_vpi(vport);
spin_lock_irq(shost->host_lock);
- vport->fc_flag |= FC_VPORT_NEEDS_REG_VPI;
- /*
- * If VPI is unreged, driver need to do INIT_VPI
- * before re-registering
- */
vport->fc_flag |= FC_VPORT_NEEDS_INIT_VPI;
spin_unlock_irq(shost->host_lock);
}
+
+ /*
+ * For SLI3 and SLI4, the VPI needs to be reregistered in
+ * response to this fabric parameter change event.
+ */
+ spin_lock_irq(shost->host_lock);
+ vport->fc_flag |= FC_VPORT_NEEDS_REG_VPI;
+ spin_unlock_irq(shost->host_lock);
} else if ((phba->sli_rev == LPFC_SLI_REV4) &&
!(vport->fc_flag & FC_VPORT_NEEDS_REG_VPI)) {
/*
@@ -817,6 +837,17 @@ lpfc_cmpl_els_flogi_nport(struct lpfc_vport *vport, struct lpfc_nodelist *ndlp,
mempool_free(mbox, phba->mbox_mem_pool);
goto fail;
}
+
+ /*
+ * For SLI4, the VFI/VPI are registered AFTER the
+ * Nport with the higher WWPN sends the PLOGI with
+ * an assigned NPortId.
+ */
+
+ /* not equal */
+ if ((phba->sli_rev == LPFC_SLI_REV4) && rc)
+ lpfc_issue_reg_vfi(vport);
+
/* Decrement ndlp reference count indicating that ndlp can be
* safely released when other references to it are done.
*/
@@ -2972,7 +3003,7 @@ lpfc_els_retry(struct lpfc_hba *phba, struct lpfc_iocbq *cmdiocb,
* ABTS we cannot generate and RRQ.
*/
lpfc_set_rrq_active(phba, ndlp,
- cmdiocb->sli4_xritag, 0, 0);
+ cmdiocb->sli4_lxritag, 0, 0);
}
break;
case IOSTAT_LOCAL_REJECT:
@@ -3803,10 +3834,11 @@ lpfc_els_rsp_acc(struct lpfc_vport *vport, uint32_t flag,
/* Xmit ELS ACC response tag <ulpIoTag> */
lpfc_printf_vlog(vport, KERN_INFO, LOG_ELS,
"0128 Xmit ELS ACC response tag x%x, XRI: x%x, "
- "DID: x%x, nlp_flag: x%x nlp_state: x%x RPI: x%x\n",
+ "DID: x%x, nlp_flag: x%x nlp_state: x%x RPI: x%x "
+ "fc_flag x%x\n",
elsiocb->iotag, elsiocb->iocb.ulpContext,
ndlp->nlp_DID, ndlp->nlp_flag, ndlp->nlp_state,
- ndlp->nlp_rpi);
+ ndlp->nlp_rpi, vport->fc_flag);
if (ndlp->nlp_flag & NLP_LOGO_ACC) {
spin_lock_irq(shost->host_lock);
ndlp->nlp_flag &= ~NLP_LOGO_ACC;
@@ -4936,8 +4968,6 @@ lpfc_els_rcv_flogi(struct lpfc_vport *vport, struct lpfc_iocbq *cmdiocb,
return 1;
}
- did = Fabric_DID;
-
if ((lpfc_check_sparm(vport, ndlp, sp, CLASS3, 1))) {
/* For a FLOGI we accept, then if our portname is greater
* then the remote portname we initiate Nport login.
@@ -4976,26 +5006,82 @@ lpfc_els_rcv_flogi(struct lpfc_vport *vport, struct lpfc_iocbq *cmdiocb,
spin_lock_irq(shost->host_lock);
vport->fc_flag |= FC_PT2PT_PLOGI;
spin_unlock_irq(shost->host_lock);
+
+ /* If we have the high WWPN we can assign our own
+ * myDID; otherwise, we have to WAIT for a PLOGI
+ * from the remote NPort to find out what it
+ * will be.
+ */
+ vport->fc_myDID = PT2PT_LocalID;
}
+
+ /*
+ * The vport state should go to LPFC_FLOGI only
+ * AFTER we issue a FLOGI, not receive one.
+ */
spin_lock_irq(shost->host_lock);
vport->fc_flag |= FC_PT2PT;
vport->fc_flag &= ~(FC_FABRIC | FC_PUBLIC_LOOP);
spin_unlock_irq(shost->host_lock);
+
+ /*
+ * We temporarily set fc_myDID to make it look like we are
+ * a Fabric. This is done just so we end up with the right
+ * did / sid on the FLOGI ACC rsp.
+ */
+ did = vport->fc_myDID;
+ vport->fc_myDID = Fabric_DID;
+
} else {
/* Reject this request because invalid parameters */
stat.un.b.lsRjtRsvd0 = 0;
stat.un.b.lsRjtRsnCode = LSRJT_UNABLE_TPC;
stat.un.b.lsRjtRsnCodeExp = LSEXP_SPARM_OPTIONS;
stat.un.b.vendorUnique = 0;
+
+ /*
+ * We temporarily set fc_myDID to make it look like we are
+ * a Fabric. This is done just so we end up with the right
+ * did / sid on the FLOGI LS_RJT rsp.
+ */
+ did = vport->fc_myDID;
+ vport->fc_myDID = Fabric_DID;
+
lpfc_els_rsp_reject(vport, stat.un.lsRjtError, cmdiocb, ndlp,
NULL);
+
+ /* Now lets put fc_myDID back to what its supposed to be */
+ vport->fc_myDID = did;
+
return 1;
}
/* Send back ACC */
lpfc_els_rsp_acc(vport, ELS_CMD_PLOGI, cmdiocb, ndlp, NULL);
+ /* Now lets put fc_myDID back to what its supposed to be */
+ vport->fc_myDID = did;
+
+ if (!(vport->fc_flag & FC_PT2PT_PLOGI)) {
+
+ mbox = mempool_alloc(phba->mbox_mem_pool, GFP_KERNEL);
+ if (!mbox)
+ goto fail;
+
+ lpfc_config_link(phba, mbox);
+
+ mbox->mbox_cmpl = lpfc_sli_def_mbox_cmpl;
+ mbox->vport = vport;
+ rc = lpfc_sli_issue_mbox(phba, mbox, MBX_NOWAIT);
+ if (rc == MBX_NOT_FINISHED) {
+ mempool_free(mbox, phba->mbox_mem_pool);
+ goto fail;
+ }
+ }
+
return 0;
+fail:
+ return 1;
}
/**
@@ -5176,7 +5262,6 @@ lpfc_els_rsp_rls_acc(struct lpfc_hba *phba, LPFC_MBOXQ_t *pmb)
}
cmdsize = sizeof(struct RLS_RSP) + sizeof(uint32_t);
- mempool_free(pmb, phba->mbox_mem_pool);
elsiocb = lpfc_prep_els_iocb(phba->pport, 0, cmdsize,
lpfc_max_els_tries, ndlp,
ndlp->nlp_DID, ELS_CMD_ACC);
@@ -5184,8 +5269,10 @@ lpfc_els_rsp_rls_acc(struct lpfc_hba *phba, LPFC_MBOXQ_t *pmb)
/* Decrement the ndlp reference count from previous mbox command */
lpfc_nlp_put(ndlp);
- if (!elsiocb)
+ if (!elsiocb) {
+ mempool_free(pmb, phba->mbox_mem_pool);
return;
+ }
icmd = &elsiocb->iocb;
icmd->ulpContext = rxid;
@@ -5202,7 +5289,7 @@ lpfc_els_rsp_rls_acc(struct lpfc_hba *phba, LPFC_MBOXQ_t *pmb)
rls_rsp->primSeqErrCnt = cpu_to_be32(mb->un.varRdLnk.primSeqErrCnt);
rls_rsp->invalidXmitWord = cpu_to_be32(mb->un.varRdLnk.invalidXmitWord);
rls_rsp->crcCnt = cpu_to_be32(mb->un.varRdLnk.crcCnt);
-
+ mempool_free(pmb, phba->mbox_mem_pool);
/* Xmit ELS RLS ACC response tag <ulpIoTag> */
lpfc_printf_vlog(ndlp->vport, KERN_INFO, LOG_ELS,
"2874 Xmit ELS RLS ACC response tag x%x xri x%x, "
@@ -5586,7 +5673,7 @@ lpfc_issue_els_rrq(struct lpfc_vport *vport, struct lpfc_nodelist *ndlp,
pcmd += sizeof(uint32_t);
els_rrq = (struct RRQ *) pcmd;
- bf_set(rrq_oxid, els_rrq, rrq->xritag);
+ bf_set(rrq_oxid, els_rrq, phba->sli4_hba.xri_ids[rrq->xritag]);
bf_set(rrq_rxid, els_rrq, rrq->rxid);
bf_set(rrq_did, els_rrq, vport->fc_myDID);
els_rrq->rrq = cpu_to_be32(els_rrq->rrq);
@@ -7873,7 +7960,9 @@ lpfc_sli4_els_xri_aborted(struct lpfc_hba *phba,
sglq_entry->state = SGL_FREED;
spin_unlock(&phba->sli4_hba.abts_sgl_list_lock);
spin_unlock_irqrestore(&phba->hbalock, iflag);
- lpfc_set_rrq_active(phba, ndlp, xri, rxid, 1);
+ lpfc_set_rrq_active(phba, ndlp,
+ sglq_entry->sli4_lxritag,
+ rxid, 1);
/* Check if TXQ queue needs to be serviced */
if (pring->txq_cnt)