scsi: lpfc: Revise FDMI reporting of supported port speed for trunk groups

Trunk port FDMI supported port speed shows single port supported speed
rather than the trunked port speed.

Modify supported port speed logic calculation during registration.

Link: https://lore.kernel.org/r/20220412222008.126521-17-jsmart2021@gmail.comCo-developed-by: NJustin Tee <justin.tee@broadcom.com>
Signed-off-by: NJustin Tee <justin.tee@broadcom.com>
Signed-off-by: NJames Smart <jsmart2021@gmail.com>
Signed-off-by: NMartin K. Petersen <martin.petersen@oracle.com>

drivers/scsi/lpfc/lpfc_ct.c

@@ -2830,31 +2830,59 @@ lpfc_fdmi_port_attr_support_speed(struct lpfc_vport *vport,
 	struct lpfc_hba   *phba = vport->phba;
 	struct lpfc_fdmi_attr_entry *ae;
 	uint32_t size;
+	u32 tcfg;
+	u8 i, cnt;
 
 	ae = &ad->AttrValue;
 
 	ae->un.AttrInt = 0;
 	if (!(phba->hba_flag & HBA_FCOE_MODE)) {
-		if (phba->lmt & LMT_256Gb)
-			ae->un.AttrInt |= HBA_PORTSPEED_256GFC;
-		if (phba->lmt & LMT_128Gb)
-			ae->un.AttrInt |= HBA_PORTSPEED_128GFC;
-		if (phba->lmt & LMT_64Gb)
-			ae->un.AttrInt |= HBA_PORTSPEED_64GFC;
-		if (phba->lmt & LMT_32Gb)
-			ae->un.AttrInt |= HBA_PORTSPEED_32GFC;
-		if (phba->lmt & LMT_16Gb)
-			ae->un.AttrInt |= HBA_PORTSPEED_16GFC;
-		if (phba->lmt & LMT_10Gb)
-			ae->un.AttrInt |= HBA_PORTSPEED_10GFC;
-		if (phba->lmt & LMT_8Gb)
-			ae->un.AttrInt |= HBA_PORTSPEED_8GFC;
-		if (phba->lmt & LMT_4Gb)
-			ae->un.AttrInt |= HBA_PORTSPEED_4GFC;
-		if (phba->lmt & LMT_2Gb)
-			ae->un.AttrInt |= HBA_PORTSPEED_2GFC;
-		if (phba->lmt & LMT_1Gb)
-			ae->un.AttrInt |= HBA_PORTSPEED_1GFC;
+		cnt = 0;
+		if (phba->sli_rev == LPFC_SLI_REV4) {
+			tcfg = phba->sli4_hba.conf_trunk;
+			for (i = 0; i < 4; i++, tcfg >>= 1)
+				if (tcfg & 1)
+					cnt++;
+		}
+
+		if (cnt > 2) { /* 4 lane trunk group */
+			if (phba->lmt & LMT_64Gb)
+				ae->un.AttrInt |= HBA_PORTSPEED_256GFC;
+			if (phba->lmt & LMT_32Gb)
+				ae->un.AttrInt |= HBA_PORTSPEED_128GFC;
+			if (phba->lmt & LMT_16Gb)
+				ae->un.AttrInt |= HBA_PORTSPEED_64GFC;
+		} else if (cnt) { /* 2 lane trunk group */
+			if (phba->lmt & LMT_128Gb)
+				ae->un.AttrInt |= HBA_PORTSPEED_256GFC;
+			if (phba->lmt & LMT_64Gb)
+				ae->un.AttrInt |= HBA_PORTSPEED_128GFC;
+			if (phba->lmt & LMT_32Gb)
+				ae->un.AttrInt |= HBA_PORTSPEED_64GFC;
+			if (phba->lmt & LMT_16Gb)
+				ae->un.AttrInt |= HBA_PORTSPEED_32GFC;
+		} else {
+			if (phba->lmt & LMT_256Gb)
+				ae->un.AttrInt |= HBA_PORTSPEED_256GFC;
+			if (phba->lmt & LMT_128Gb)
+				ae->un.AttrInt |= HBA_PORTSPEED_128GFC;
+			if (phba->lmt & LMT_64Gb)
+				ae->un.AttrInt |= HBA_PORTSPEED_64GFC;
+			if (phba->lmt & LMT_32Gb)
+				ae->un.AttrInt |= HBA_PORTSPEED_32GFC;
+			if (phba->lmt & LMT_16Gb)
+				ae->un.AttrInt |= HBA_PORTSPEED_16GFC;
+			if (phba->lmt & LMT_10Gb)
+				ae->un.AttrInt |= HBA_PORTSPEED_10GFC;
+			if (phba->lmt & LMT_8Gb)
+				ae->un.AttrInt |= HBA_PORTSPEED_8GFC;
+			if (phba->lmt & LMT_4Gb)
+				ae->un.AttrInt |= HBA_PORTSPEED_4GFC;
+			if (phba->lmt & LMT_2Gb)
+				ae->un.AttrInt |= HBA_PORTSPEED_2GFC;
+			if (phba->lmt & LMT_1Gb)
+				ae->un.AttrInt |= HBA_PORTSPEED_1GFC;
+		}
 	} else {
 		/* FCoE links support only one speed */
 		switch (phba->fc_linkspeed) {