[SCSI] lpfc 8.1.2: Misc FC Discovery changes :

Misc FC Discovery changes :
   - Added FC_BYPASSED_MODE statistic
   - Corrected some log message data
   - Fix up Discovery infrastructure to support FAN:
       Allow Fabric entities to flow thru DSM
       Fix up linkup/linkdown unregister login processing for Fabric entities
       Clean up Discovery code
       Utilize nodev_tmo for Fabric entities
   - Use of 3 * ratov for CT handling timeouts
   - Fix up DSM to make more appropriate decisions and clean up code.
Signed-off-by: Jamie Wellnitz <Jamie.Wellnitz@emulex.com>
Signed-off-by: James Bottomley <James.Bottomley@SteelEye.com>

drivers/scsi/lpfc/lpfc.h

@@ -247,6 +247,7 @@ struct lpfc_hba {
 #define FC_SCSI_SCAN_TMO        0x4000	/* scsi scan timer running */
 #define FC_ABORT_DISCOVERY      0x8000	/* we want to abort discovery */
 #define FC_NDISC_ACTIVE         0x10000	/* NPort discovery active */
+#define FC_BYPASSED_MODE        0x20000	/* NPort is in bypassed mode */
 
 	uint32_t fc_topology;	/* link topology, from LINK INIT */
 

drivers/scsi/lpfc/lpfc_ct.c

@@ -260,8 +260,10 @@ lpfc_gen_req(struct lpfc_hba *phba, struct lpfc_dmabuf *bmp,
 	icmd->un.genreq64.w5.hcsw.Rctl = FC_UNSOL_CTL;
 	icmd->un.genreq64.w5.hcsw.Type = FC_COMMON_TRANSPORT_ULP;
 
-	if (!tmo)
-		tmo = (2 * phba->fc_ratov) + 1;
+	if (!tmo) {
+		 /* FC spec states we need 3 * ratov for CT requests */
+		tmo = (3 * phba->fc_ratov);
+	}
 	icmd->ulpTimeout = tmo;
 	icmd->ulpBdeCount = 1;
 	icmd->ulpLe = 1;
@@ -449,6 +451,11 @@ lpfc_cmpl_ct_cmd_gid_ft(struct lpfc_hba * phba, struct lpfc_iocbq * cmdiocb,
 		CTrsp = (struct lpfc_sli_ct_request *) outp->virt;
 		if (CTrsp->CommandResponse.bits.CmdRsp ==
 		    be16_to_cpu(SLI_CT_RESPONSE_FS_ACC)) {
+			lpfc_printf_log(phba, KERN_INFO, LOG_DISCOVERY,
+					"%d:0239 NameServer Rsp "
+					"Data: x%x\n",
+					phba->brd_no,
+					phba->fc_flag);
 			lpfc_ns_rsp(phba, outp,
 				    (uint32_t) (irsp->un.genreq64.bdl.bdeSize));
 		} else if (CTrsp->CommandResponse.bits.CmdRsp ==