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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.c93
1 files changed, 91 insertions, 2 deletions
diff --git a/drivers/scsi/lpfc/lpfc_els.c b/drivers/scsi/lpfc/lpfc_els.c
index 6d1d6f691df4..468a66371de9 100644
--- a/drivers/scsi/lpfc/lpfc_els.c
+++ b/drivers/scsi/lpfc/lpfc_els.c
@@ -1527,6 +1527,7 @@ lpfc_plogi_confirm_nport(struct lpfc_hba *phba, uint32_t *prsp,
uint8_t name[sizeof(struct lpfc_name)];
uint32_t rc, keepDID = 0, keep_nlp_flag = 0;
uint16_t keep_nlp_state;
+ struct lpfc_nvme_rport *keep_nrport = NULL;
int put_node;
int put_rport;
unsigned long *active_rrqs_xri_bitmap = NULL;
@@ -1624,6 +1625,10 @@ lpfc_plogi_confirm_nport(struct lpfc_hba *phba, uint32_t *prsp,
keep_nlp_state = new_ndlp->nlp_state;
lpfc_nlp_set_state(vport, new_ndlp, ndlp->nlp_state);
+ /* interchange the nvme remoteport structs */
+ keep_nrport = new_ndlp->nrport;
+ new_ndlp->nrport = ndlp->nrport;
+
/* Move this back to NPR state */
if (memcmp(&ndlp->nlp_portname, name, sizeof(struct lpfc_name)) == 0) {
/* The new_ndlp is replacing ndlp totally, so we need
@@ -1646,6 +1651,13 @@ lpfc_plogi_confirm_nport(struct lpfc_hba *phba, uint32_t *prsp,
}
new_ndlp->nlp_type = ndlp->nlp_type;
}
+
+ /* Fix up the nvme rport */
+ if (ndlp->nrport) {
+ ndlp->nrport = NULL;
+ lpfc_nlp_put(ndlp);
+ }
+
/* We shall actually free the ndlp with both nlp_DID and
* nlp_portname fields equals 0 to avoid any ndlp on the
* nodelist never to be used.
@@ -1690,6 +1702,14 @@ lpfc_plogi_confirm_nport(struct lpfc_hba *phba, uint32_t *prsp,
keep_nlp_state = NLP_STE_NPR_NODE;
lpfc_nlp_set_state(vport, ndlp, keep_nlp_state);
+ /* Previous ndlp no longer active with nvme host transport.
+ * Remove reference from earlier registration unless the
+ * nvme host took care of it.
+ */
+ if (ndlp->nrport)
+ lpfc_nlp_put(ndlp);
+ ndlp->nrport = keep_nrport;
+
/* Fix up the rport accordingly */
rport = ndlp->rport;
if (rport) {
@@ -1966,6 +1986,7 @@ int
lpfc_issue_els_plogi(struct lpfc_vport *vport, uint32_t did, uint8_t retry)
{
struct lpfc_hba *phba = vport->phba;
+ struct Scsi_Host *shost;
struct serv_parm *sp;
struct lpfc_nodelist *ndlp;
struct lpfc_iocbq *elsiocb;
@@ -1984,6 +2005,11 @@ lpfc_issue_els_plogi(struct lpfc_vport *vport, uint32_t did, uint8_t retry)
if (!elsiocb)
return 1;
+ shost = lpfc_shost_from_vport(vport);
+ spin_lock_irq(shost->host_lock);
+ ndlp->nlp_flag &= ~NLP_FCP_PRLI_RJT;
+ spin_unlock_irq(shost->host_lock);
+
pcmd = (uint8_t *) (((struct lpfc_dmabuf *) elsiocb->context2)->virt);
/* For PLOGI request, remainder of payload is service parameters */
@@ -2007,6 +2033,7 @@ lpfc_issue_els_plogi(struct lpfc_vport *vport, uint32_t did, uint8_t retry)
sp->cmn.valid_vendor_ver_level = 0;
memset(sp->un.vendorVersion, 0, sizeof(sp->un.vendorVersion));
+ sp->cmn.bbRcvSizeMsb &= 0xF;
lpfc_debugfs_disc_trc(vport, LPFC_DISC_TRC_ELS_CMD,
"Issue PLOGI: did:x%x",
@@ -2151,6 +2178,16 @@ lpfc_issue_els_prli(struct lpfc_vport *vport, struct lpfc_nodelist *ndlp,
uint16_t cmdsize;
u32 local_nlp_type, elscmd;
+ /*
+ * If we are in RSCN mode, the FC4 types supported from a
+ * previous GFT_ID command may not be accurate. So, if we
+ * are a NVME Initiator, always look for the possibility of
+ * the remote NPort beng a NVME Target.
+ */
+ if (phba->sli_rev == LPFC_SLI_REV4 &&
+ vport->fc_flag & FC_RSCN_MODE &&
+ vport->nvmei_support)
+ ndlp->nlp_fc4_type |= NLP_FC4_NVME;
local_nlp_type = ndlp->nlp_fc4_type;
send_next_prli:
@@ -3420,8 +3457,18 @@ lpfc_els_retry(struct lpfc_hba *phba, struct lpfc_iocbq *cmdiocb,
maxretry = 3;
delay = 1000;
retry = 1;
- break;
+ } else if (cmd == ELS_CMD_FLOGI &&
+ stat.un.b.lsRjtRsnCodeExp ==
+ LSEXP_NOTHING_MORE) {
+ vport->fc_sparam.cmn.bbRcvSizeMsb &= 0xf;
+ retry = 1;
+ lpfc_printf_vlog(vport, KERN_ERR, LOG_ELS,
+ "0820 FLOGI Failed (x%x). "
+ "BBCredit Not Supported\n",
+ stat.un.lsRjtError);
}
+ break;
+
case LSRJT_PROTOCOL_ERR:
if ((phba->sli3_options & LPFC_SLI3_NPIV_ENABLED) &&
(cmd == ELS_CMD_FDISC) &&
@@ -3442,6 +3489,21 @@ lpfc_els_retry(struct lpfc_hba *phba, struct lpfc_iocbq *cmdiocb,
goto out_retry;
}
break;
+ case LSRJT_CMD_UNSUPPORTED:
+ /* lpfc nvmet returns this type of LS_RJT when it
+ * receives an FCP PRLI because lpfc nvmet only
+ * support NVME. ELS request is terminated for FCP4
+ * on this rport.
+ */
+ if (stat.un.b.lsRjtRsnCodeExp ==
+ LSEXP_REQ_UNSUPPORTED && cmd == ELS_CMD_PRLI) {
+ spin_lock_irq(shost->host_lock);
+ ndlp->nlp_flag |= NLP_FCP_PRLI_RJT;
+ spin_unlock_irq(shost->host_lock);
+ retry = 0;
+ goto out_retry;
+ }
+ break;
}
break;
@@ -3930,7 +3992,25 @@ lpfc_cmpl_els_rsp(struct lpfc_hba *phba, struct lpfc_iocbq *cmdiocb,
if (mbox) {
if ((rspiocb->iocb.ulpStatus == 0)
&& (ndlp->nlp_flag & NLP_ACC_REGLOGIN)) {
- lpfc_unreg_rpi(vport, ndlp);
+ if (!lpfc_unreg_rpi(vport, ndlp) &&
+ (ndlp->nlp_state == NLP_STE_PLOGI_ISSUE ||
+ ndlp->nlp_state == NLP_STE_REG_LOGIN_ISSUE)) {
+ lpfc_printf_vlog(vport, KERN_INFO,
+ LOG_DISCOVERY,
+ "0314 PLOGI recov DID x%x "
+ "Data: x%x x%x x%x\n",
+ ndlp->nlp_DID, ndlp->nlp_state,
+ ndlp->nlp_rpi, ndlp->nlp_flag);
+ mp = mbox->context1;
+ if (mp) {
+ lpfc_mbuf_free(phba, mp->virt,
+ mp->phys);
+ kfree(mp);
+ }
+ mempool_free(mbox, phba->mbox_mem_pool);
+ goto out;
+ }
+
/* Increment reference count to ndlp to hold the
* reference to ndlp for the callback function.
*/
@@ -4132,6 +4212,7 @@ lpfc_els_rsp_acc(struct lpfc_vport *vport, uint32_t flag,
sp->cmn.valid_vendor_ver_level = 0;
memset(sp->un.vendorVersion, 0,
sizeof(sp->un.vendorVersion));
+ sp->cmn.bbRcvSizeMsb &= 0xF;
/* If our firmware supports this feature, convey that
* info to the target using the vendor specific field.
@@ -7989,6 +8070,13 @@ lpfc_els_unsol_buffer(struct lpfc_hba *phba, struct lpfc_sli_ring *pring,
rjt_exp = LSEXP_NOTHING_MORE;
break;
}
+
+ /* NVMET accepts NVME PRLI only. Reject FCP PRLI */
+ if (cmd == ELS_CMD_PRLI && phba->nvmet_support) {
+ rjt_err = LSRJT_CMD_UNSUPPORTED;
+ rjt_exp = LSEXP_REQ_UNSUPPORTED;
+ break;
+ }
lpfc_disc_state_machine(vport, ndlp, elsiocb, NLP_EVT_RCV_PRLI);
break;
case ELS_CMD_LIRR:
@@ -8784,6 +8872,7 @@ lpfc_issue_els_fdisc(struct lpfc_vport *vport, struct lpfc_nodelist *ndlp,
pcmd += sizeof(uint32_t); /* Node Name */
pcmd += sizeof(uint32_t); /* Node Name */
memcpy(pcmd, &vport->fc_nodename, 8);
+ sp->cmn.valid_vendor_ver_level = 0;
memset(sp->un.vendorVersion, 0, sizeof(sp->un.vendorVersion));
lpfc_set_disctmo(vport);
Copyright © 1996 – 2023 Jason A. Donenfeld. All Rights Reverse Engineered.