[SCSI] libfcoe: fip: use SCSI host number to identify debug messages.

Use scsi host number to identify debug messages.
Previously, no instance information was given, so if multiple
ports were active, it became confusing.
Signed-off-by: Joe Eykholt <jeykholt@cisco.com>
Signed-off-by: Robert Love <robert.w.love@intel.com>
Signed-off-by: James Bottomley <James.Bottomley@suse.de>

drivers/scsi/fcoe/libfcoe.c

@@ -74,9 +74,10 @@ do {							\
 	LIBFCOE_CHECK_LOGGING(LIBFCOE_LOGGING,				\
 			      printk(KERN_INFO "libfcoe: " fmt, ##args);)
 
-#define LIBFCOE_FIP_DBG(fmt, args...)					\
+#define LIBFCOE_FIP_DBG(fip, fmt, args...)				\
 	LIBFCOE_CHECK_LOGGING(LIBFCOE_FIP_LOGGING,			\
-			      printk(KERN_INFO "fip: " fmt, ##args);)
+			      printk(KERN_INFO "host%d: fip: " fmt, 	\
+				     (fip)->lp->host->host_no, ##args);)
 
 /**
  * fcoe_ctlr_mtu_valid() - Check if a FCF's MTU is valid
@@ -267,7 +268,7 @@ void fcoe_ctlr_link_up(struct fcoe_ctlr *fip)
 		fip->link = 1;
 		spin_unlock_bh(&fip->lock);
 		if (fip->state == FIP_ST_AUTO)
-			LIBFCOE_FIP_DBG("%s", "setting AUTO mode.\n");
+			LIBFCOE_FIP_DBG(fip, "%s", "setting AUTO mode.\n");
 		fc_linkup(fip->lp);
 		fcoe_ctlr_solicit(fip, NULL);
 	} else
@@ -604,13 +605,15 @@ static void fcoe_ctlr_age_fcfs(struct fcoe_ctlr *fip)
 
 /**
  * fcoe_ctlr_parse_adv() - Decode a FIP advertisement into a new FCF entry
+ * @fip: The FCoE controller receiving the advertisement
  * @skb: The received FIP advertisement frame
  * @fcf: The resulting FCF entry
  *
  * Returns zero on a valid parsed advertisement,
  * otherwise returns non zero value.
  */
-static int fcoe_ctlr_parse_adv(struct sk_buff *skb, struct fcoe_fcf *fcf)
+static int fcoe_ctlr_parse_adv(struct fcoe_ctlr *fip,
+			       struct sk_buff *skb, struct fcoe_fcf *fcf)
 {
 	struct fip_header *fiph;
 	struct fip_desc *desc = NULL;
@@ -649,7 +652,7 @@ static int fcoe_ctlr_parse_adv(struct sk_buff *skb, struct fcoe_fcf *fcf)
 			       ((struct fip_mac_desc *)desc)->fd_mac,
 			       ETH_ALEN);
 			if (!is_valid_ether_addr(fcf->fcf_mac)) {
-				LIBFCOE_FIP_DBG("Invalid MAC address "
+				LIBFCOE_FIP_DBG(fip, "Invalid MAC address "
 						"in FIP adv\n");
 				return -EINVAL;
 			}
@@ -683,7 +686,7 @@ static int fcoe_ctlr_parse_adv(struct sk_buff *skb, struct fcoe_fcf *fcf)
 		case FIP_DT_LOGO:
 		case FIP_DT_ELP:
 		default:
-			LIBFCOE_FIP_DBG("unexpected descriptor type %x "
+			LIBFCOE_FIP_DBG(fip, "unexpected descriptor type %x "
 					"in FIP adv\n", desc->fip_dtype);
 			/* standard says ignore unknown descriptors >= 128 */
 			if (desc->fip_dtype < FIP_DT_VENDOR_BASE)
@@ -700,7 +703,7 @@ static int fcoe_ctlr_parse_adv(struct sk_buff *skb, struct fcoe_fcf *fcf)
 	return 0;
 
 len_err:
-	LIBFCOE_FIP_DBG("FIP length error in descriptor type %x len %zu\n",
+	LIBFCOE_FIP_DBG(fip, "FIP length error in descriptor type %x len %zu\n",
 			desc->fip_dtype, dlen);
 	return -EINVAL;
 }
@@ -719,7 +722,7 @@ static void fcoe_ctlr_recv_adv(struct fcoe_ctlr *fip, struct sk_buff *skb)
 	int first = 0;
 	int mtu_valid;
 
-	if (fcoe_ctlr_parse_adv(skb, &new))
+	if (fcoe_ctlr_parse_adv(fip, skb, &new))
 		return;
 
 	spin_lock_bh(&fip->lock);
@@ -765,7 +768,7 @@ static void fcoe_ctlr_recv_adv(struct fcoe_ctlr *fip, struct sk_buff *skb)
 	mtu_valid = fcoe_ctlr_mtu_valid(fcf);
 	fcf->time = jiffies;
 	if (!found) {
-		LIBFCOE_FIP_DBG("New FCF for fab %llx map %x val %d\n",
+		LIBFCOE_FIP_DBG(fip, "New FCF for fab %llx map %x val %d\n",
 				fcf->fabric_name, fcf->fc_map, mtu_valid);
 	}
 
@@ -844,7 +847,7 @@ static void fcoe_ctlr_recv_els(struct fcoe_ctlr *fip, struct sk_buff *skb)
 			       ((struct fip_mac_desc *)desc)->fd_mac,
 			       ETH_ALEN);
 			if (!is_valid_ether_addr(granted_mac)) {
-				LIBFCOE_FIP_DBG("Invalid MAC address "
+				LIBFCOE_FIP_DBG(fip, "Invalid MAC address "
 						"in FIP ELS\n");
 				goto drop;
 			}
@@ -864,7 +867,7 @@ static void fcoe_ctlr_recv_els(struct fcoe_ctlr *fip, struct sk_buff *skb)
 			els_dtype = desc->fip_dtype;
 			break;
 		default:
-			LIBFCOE_FIP_DBG("unexpected descriptor type %x "
+			LIBFCOE_FIP_DBG(fip, "unexpected descriptor type %x "
 					"in FIP adv\n", desc->fip_dtype);
 			/* standard says ignore unknown descriptors >= 128 */
 			if (desc->fip_dtype < FIP_DT_VENDOR_BASE)
@@ -903,7 +906,7 @@ static void fcoe_ctlr_recv_els(struct fcoe_ctlr *fip, struct sk_buff *skb)
 	return;
 
 len_err:
-	LIBFCOE_FIP_DBG("FIP length error in descriptor type %x len %zu\n",
+	LIBFCOE_FIP_DBG(fip, "FIP length error in descriptor type %x len %zu\n",
 			desc->fip_dtype, dlen);
 drop:
 	kfree_skb(skb);
@@ -930,7 +933,7 @@ static void fcoe_ctlr_recv_clr_vlink(struct fcoe_ctlr *fip,
 	struct fc_lport *lport = fip->lp;
 	u32	desc_mask;
 
-	LIBFCOE_FIP_DBG("Clear Virtual Link received\n");
+	LIBFCOE_FIP_DBG(fip, "Clear Virtual Link received\n");
 	if (!fcf)
 		return;
 	if (!fcf || !fc_host_port_id(lport->host))
@@ -989,9 +992,10 @@ static void fcoe_ctlr_recv_clr_vlink(struct fcoe_ctlr *fip,
 	 * reset only if all required descriptors were present and valid.
 	 */
 	if (desc_mask) {
-		LIBFCOE_FIP_DBG("missing descriptors mask %x\n", desc_mask);
+		LIBFCOE_FIP_DBG(fip, "missing descriptors mask %x\n",
+				desc_mask);
 	} else {
-		LIBFCOE_FIP_DBG("performing Clear Virtual Link\n");
+		LIBFCOE_FIP_DBG(fip, "performing Clear Virtual Link\n");
 		fcoe_ctlr_reset(fip, FIP_ST_ENABLED);
 	}
 }
@@ -1050,7 +1054,7 @@ static int fcoe_ctlr_recv_handler(struct fcoe_ctlr *fip, struct sk_buff *skb)
 		fip->map_dest = 0;
 		fip->state = FIP_ST_ENABLED;
 		state = FIP_ST_ENABLED;
-		LIBFCOE_FIP_DBG("Using FIP mode\n");
+		LIBFCOE_FIP_DBG(fip, "Using FIP mode\n");
 	}
 	spin_unlock_bh(&fip->lock);
 	if (state != FIP_ST_ENABLED)
@@ -1085,11 +1089,11 @@ static void fcoe_ctlr_select(struct fcoe_ctlr *fip)
 	struct fcoe_fcf *best = NULL;
 
 	list_for_each_entry(fcf, &fip->fcfs, list) {
-		LIBFCOE_FIP_DBG("consider FCF for fab %llx VFID %d map %x "
+		LIBFCOE_FIP_DBG(fip, "consider FCF for fab %llx VFID %d map %x "
 				"val %d\n", fcf->fabric_name, fcf->vfid,
 				fcf->fc_map, fcoe_ctlr_mtu_valid(fcf));
 		if (!fcoe_ctlr_fcf_usable(fcf)) {
-			LIBFCOE_FIP_DBG("FCF for fab %llx map %x %svalid "
+			LIBFCOE_FIP_DBG(fip, "FCF for fab %llx map %x %svalid "
 					"%savailable\n", fcf->fabric_name,
 					fcf->fc_map, (fcf->flags & FIP_FL_SOL)
 					? "" : "in", (fcf->flags & FIP_FL_AVAIL)
@@ -1103,7 +1107,7 @@ static void fcoe_ctlr_select(struct fcoe_ctlr *fip)
 		if (fcf->fabric_name != best->fabric_name ||
 		    fcf->vfid != best->vfid ||
 		    fcf->fc_map != best->fc_map) {
-			LIBFCOE_FIP_DBG("Conflicting fabric, VFID, "
+			LIBFCOE_FIP_DBG(fip, "Conflicting fabric, VFID, "
 					"or FC-MAP\n");
 			return;
 		}
@@ -1292,7 +1296,8 @@ int fcoe_ctlr_recv_flogi(struct fcoe_ctlr *fip, struct fc_lport *lport,
 			return -EINVAL;
 		}
 		fip->state = FIP_ST_NON_FIP;
-		LIBFCOE_FIP_DBG("received FLOGI LS_ACC using non-FIP mode\n");
+		LIBFCOE_FIP_DBG(fip,
+				"received FLOGI LS_ACC using non-FIP mode\n");
 
 		/*
 		 * FLOGI accepted.
@@ -1319,7 +1324,7 @@ int fcoe_ctlr_recv_flogi(struct fcoe_ctlr *fip, struct fc_lport *lport,
 			memcpy(fip->dest_addr, sa, ETH_ALEN);
 			fip->map_dest = 0;
 			if (fip->state == FIP_ST_NON_FIP)
-				LIBFCOE_FIP_DBG("received FLOGI REQ, "
+				LIBFCOE_FIP_DBG(fip, "received FLOGI REQ, "
 						"using non-FIP mode\n");
 			fip->state = FIP_ST_NON_FIP;
 		}