lpfc 8.3.6 : FC Protocol Fixes

diff -upNr a/drivers/scsi/lpfc/lpfc_disc.h b/drivers/scsi/lpfc/lpfc_disc.h
@@ -105,8 +105,6 @@ struct lpfc_nodelist {
 	struct lpfc_vport *vport;
 	struct lpfc_work_evt els_retry_evt;
 	struct lpfc_work_evt dev_loss_evt;
-	unsigned long last_ramp_up_time;        /* jiffy of last ramp up */
-	unsigned long last_q_full_time;		/* jiffy of last queue full */
 	struct kref     kref;
 	atomic_t cmd_pending;
 	uint32_t cmd_qdepth;

diff -upNr a/drivers/scsi/lpfc/lpfc_els.c b/drivers/scsi/lpfc/lpfc_els.c
@@ -4521,6 +4521,29 @@ lpfc_els_rcv_lirr(struct lpfc_vport *vpo
 }
 
 /**
+ * lpfc_els_rcv_rrq - Process an unsolicited rrq iocb
+ * @vport: pointer to a host virtual N_Port data structure.
+ * @cmdiocb: pointer to lpfc command iocb data structure.
+ * @ndlp: pointer to a node-list data structure.
+ *
+ * This routine processes a Reinstate Recovery Qualifier (RRQ) IOCB
+ * received as an ELS unsolicited event. A request to RRQ shall only
+ * be accepted if the Originator Nx_Port N_Port_ID or the Responder
+ * Nx_Port N_Port_ID of the target Exchange is the same as the
+ * N_Port_ID of the Nx_Port that makes the request. If the RRQ is
+ * not accepted, an LS_RJT with reason code "Unable to perform
+ * command request" and reason code explanation "Invalid Originator
+ * S_ID" shall be returned. For now, we just unconditionally accept
+ * RRQ from the target.
+ **/
+static void
+lpfc_els_rcv_rrq(struct lpfc_vport *vport, struct lpfc_iocbq *cmdiocb,
+		 struct lpfc_nodelist *ndlp)
+{
+	lpfc_els_rsp_acc(vport, ELS_CMD_ACC, cmdiocb, ndlp, NULL);
+}
+
+/**
  * lpfc_els_rsp_rps_acc - Completion callbk func for MBX_READ_LNK_STAT mbox cmd
  * @phba: pointer to lpfc hba data structure.
  * @pmb: pointer to the driver internal queue element for mailbox command.

@@ -5636,6 +5659,16 @@ lpfc_els_unsol_buffer(struct lpfc_hba *p
 		if (newnode)
 			lpfc_nlp_put(ndlp);
 		break;
+	case ELS_CMD_RRQ:
+		lpfc_debugfs_disc_trc(vport, LPFC_DISC_TRC_ELS_UNSOL,
+			"RCV RRQ:         did:x%x/ste:x%x flg:x%x",
+			did, vport->port_state, ndlp->nlp_flag);
+
+		phba->fc_stat.elsRcvRRQ++;
+		lpfc_els_rcv_rrq(vport, elsiocb, ndlp);
+		if (newnode)
+			lpfc_nlp_put(ndlp);
+		break;
 	default:
 		lpfc_debugfs_disc_trc(vport, LPFC_DISC_TRC_ELS_UNSOL,
 			"RCV ELS cmd:     cmd:x%x did:x%x/ste:x%x",

@@ -6042,11 +6075,6 @@ lpfc_cmpl_els_fdisc(struct lpfc_hba *phb
 				 irsp->ulpStatus, irsp->un.ulpWord[4]);
 		goto fdisc_failed;
 	}
-		if (vport->fc_vport->vport_state == FC_VPORT_INITIALIZING)
-			lpfc_vport_set_state(vport, FC_VPORT_FAILED);
-		lpfc_nlp_put(ndlp);
-		/* giving up on FDISC. Cancel discovery timer */
-		lpfc_can_disctmo(vport);
 	spin_lock_irq(shost->host_lock);
 	vport->fc_flag |= FC_FABRIC;
 	if (vport->phba->fc_topology == TOPOLOGY_LOOP)

@@ -6125,6 +6153,7 @@ lpfc_issue_els_fdisc(struct lpfc_vport *
 	int did = ndlp->nlp_DID;
 	int rc;
 
+	vport->port_state = LPFC_FDISC;
 	cmdsize = (sizeof(uint32_t) + sizeof(struct serv_parm));
 	elsiocb = lpfc_prep_els_iocb(vport, 1, cmdsize, retry, ndlp, did,
 				     ELS_CMD_FDISC);

@@ -6190,7 +6219,6 @@ lpfc_issue_els_fdisc(struct lpfc_vport *
 		return 1;
 	}
 	lpfc_vport_set_state(vport, FC_VPORT_INITIALIZING);
-	vport->port_state = LPFC_FDISC;
 	return 0;
 }
 

diff -upNr a/drivers/scsi/lpfc/lpfc.h b/drivers/scsi/lpfc/lpfc.h
@@ -202,6 +202,7 @@ struct lpfc_stats {
 	uint32_t elsRcvLIRR;
 	uint32_t elsRcvRPS;
 	uint32_t elsRcvRPL;
+	uint32_t elsRcvRRQ;
 	uint32_t elsXmitFLOGI;
 	uint32_t elsXmitFDISC;
 	uint32_t elsXmitPLOGI;

diff -upNr a/drivers/scsi/lpfc/lpfc_hw4.h b/drivers/scsi/lpfc/lpfc_hw4.h
@@ -194,6 +194,26 @@ struct lpfc_sli4_flags {
 #define lpfc_fip_flag_WORD word0
 };
 
+struct sli4_bls_acc {
+	uint32_t word0_rsvd;      /* Word0 must be reserved */
+	uint32_t word1;
+#define lpfc_abts_orig_SHIFT      0
+#define lpfc_abts_orig_MASK       0x00000001
+#define lpfc_abts_orig_WORD       word1
+#define LPFC_ABTS_UNSOL_RSP       1
+#define LPFC_ABTS_UNSOL_INT       0
+	uint32_t word2;
+#define lpfc_abts_rxid_SHIFT      0
+#define lpfc_abts_rxid_MASK       0x0000FFFF
+#define lpfc_abts_rxid_WORD       word2
+#define lpfc_abts_oxid_SHIFT      16
+#define lpfc_abts_oxid_MASK       0x0000FFFF
+#define lpfc_abts_oxid_WORD       word2
+	uint32_t word3;
+	uint32_t word4;
+	uint32_t word5_rsvd;	/* Word5 must be reserved */
+};
+
 /* event queue entry structure */
 struct lpfc_eqe {
 	uint32_t word0;

@@ -1980,7 +2000,8 @@ struct lpfc_bmbx_create {
 #define SGL_ALIGN_SZ 64
 #define SGL_PAGE_SIZE 4096
 /* align SGL addr on a size boundary - adjust address up */
-#define NO_XRI ((uint16_t)-1)
+#define NO_XRI  ((uint16_t)-1)
+
 struct wqe_common {
 	uint32_t word6;
 #define wqe_xri_tag_SHIFT     0

diff -upNr a/drivers/scsi/lpfc/lpfc_hw.h b/drivers/scsi/lpfc/lpfc_hw.h
@@ -3538,7 +3538,7 @@ typedef struct _IOCB {	/* IOCB structure
 		ASYNCSTAT_FIELDS asyncstat; /* async_status iocb */
 		QUE_XRI64_CX_FIELDS quexri64cx; /* que_xri64_cx fields */
 		struct rcv_seq64 rcvseq64;	/* RCV_SEQ64 and RCV_CONT64 */
-
+		struct sli4_bls_acc bls_acc; /* UNSOL ABTS BLS_ACC params */
 		uint32_t ulpWord[IOCB_WORD_SZ - 2];	/* generic 6 'words' */
 	} un;
 	union {

diff -upNr a/drivers/scsi/lpfc/lpfc_init.c b/drivers/scsi/lpfc/lpfc_init.c
@@ -4931,7 +4931,8 @@ lpfc_sli4_read_config(struct lpfc_hba *p
 		phba->vpi_base = phba->sli4_hba.max_cfg_param.vpi_base;
 		phba->vfi_base = phba->sli4_hba.max_cfg_param.vfi_base;
 		phba->sli4_hba.next_rpi = phba->sli4_hba.max_cfg_param.rpi_base;
-		phba->max_vpi = phba->sli4_hba.max_cfg_param.max_vpi;
+		phba->max_vpi = (phba->sli4_hba.max_cfg_param.max_vpi > 0) ?
+				(phba->sli4_hba.max_cfg_param.max_vpi - 1) : 0;
 		phba->max_vports = phba->max_vpi;
 		lpfc_printf_log(phba, KERN_INFO, LOG_SLI,
 				"2003 cfg params XRI(B:%d M:%d), "

diff -upNr a/drivers/scsi/lpfc/lpfc_nportdisc.c b/drivers/scsi/lpfc/lpfc_nportdisc.c
@@ -1223,6 +1223,12 @@ lpfc_rcv_logo_reglogin_issue(struct lpfc
 	list_for_each_entry_safe(mb, nextmb, &phba->sli.mboxq, list) {
 		if ((mb->u.mb.mbxCommand == MBX_REG_LOGIN64) &&
 		   (ndlp == (struct lpfc_nodelist *) mb->context2)) {
+			if (phba->sli_rev == LPFC_SLI_REV4) {
+				spin_unlock_irq(&phba->hbalock);
+				lpfc_sli4_free_rpi(phba,
+					mb->u.mb.un.varRegLogin.rpi);
+				spin_lock_irq(&phba->hbalock);
+			}
 			mp = (struct lpfc_dmabuf *) (mb->context1);
 			if (mp) {
 				__lpfc_mbuf_free(phba, mp->virt, mp->phys);

@@ -1230,6 +1236,7 @@ lpfc_rcv_logo_reglogin_issue(struct lpfc
 			}
 			lpfc_nlp_put(ndlp);
 			list_del(&mb->list);
+			phba->sli.mboxq_cnt--;
 			mempool_free(mb, phba->mbox_mem_pool);
 		}
 	}

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diff -upNr a/drivers/scsi/lpfc/lpfc_sli4.h b/drivers/scsi/lpfc/lpfc_sli4.h
@@ -63,6 +63,11 @@
 	 (fc_hdr)->fh_s_id[1] <<  8 | \
 	 (fc_hdr)->fh_s_id[2])
 
+#define sli4_fctl_from_fc_hdr(fc_hdr)  \
+	((fc_hdr)->fh_f_ctl[0] << 16 | \
+	 (fc_hdr)->fh_f_ctl[1] <<  8 | \
+	 (fc_hdr)->fh_f_ctl[2])
+
 enum lpfc_sli4_queue_type {
 	LPFC_EQ,
 	LPFC_GCQ,

274 lines not on this page · raw message

diff -upNr a/drivers/scsi/lpfc/lpfc_sli.h b/drivers/scsi/lpfc/lpfc_sli.h
@@ -66,6 +66,7 @@ struct lpfc_iocbq {
 	uint8_t abort_count;
 	uint8_t rsvd2;
 	uint32_t drvrTimeout;	/* driver timeout in seconds */
+	uint32_t fcp_wqidx;	/* index to FCP work queue */
 	struct lpfc_vport *vport;/* virtual port pointer */
 	void *context1;		/* caller context information */
 	void *context2;		/* caller context information */

diff -upNr a/drivers/scsi/lpfc/lpfc_vport.c b/drivers/scsi/lpfc/lpfc_vport.c
@@ -700,6 +700,8 @@ lpfc_vport_delete(struct fc_vport *fc_vp
 			}
 			spin_unlock_irq(&phba->ndlp_lock);
 		}
+		if (vport->vpi_state != LPFC_VPI_REGISTERED)
+			goto skip_logo;
 		vport->unreg_vpi_cmpl = VPORT_INVAL;
 		timeout = msecs_to_jiffies(phba->fc_ratov * 2000);
 		if (!lpfc_issue_els_npiv_logo(vport, ndlp))