[SCSI] libfcoe: fcoe: fnic: change fcoe_ctlr_init interface to specif…

…y mode

There are three modes that libfcoe currently supports, and a new one
is coming.  Change the fcoe_ctlr_init() interface to add the mode
desired.  This should not change any functionality.

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/fcoe.c

@@ -357,7 +357,7 @@ static struct fcoe_interface *fcoe_interface_create(struct net_device *netdev)
 	/*
 	 * Initialize FIP.
 	 */
-	fcoe_ctlr_init(&fcoe->ctlr);
+	fcoe_ctlr_init(&fcoe->ctlr, FIP_MODE_AUTO);
 	fcoe->ctlr.send = fcoe_fip_send;
 	fcoe->ctlr.update_mac = fcoe_update_src_mac;
 	fcoe->ctlr.get_src_addr = fcoe_get_src_mac;

drivers/scsi/fcoe/libfcoe.c

@@ -108,10 +108,10 @@ static inline int fcoe_ctlr_fcf_usable(struct fcoe_fcf *fcf)
  * fcoe_ctlr_init() - Initialize the FCoE Controller instance
  * @fip: The FCoE controller to initialize
  */
-void fcoe_ctlr_init(struct fcoe_ctlr *fip)
+void fcoe_ctlr_init(struct fcoe_ctlr *fip, enum fip_state mode)
 {
 	fip->state = FIP_ST_LINK_WAIT;
-	fip->mode = FIP_ST_AUTO;
+	fip->mode = mode;
 	INIT_LIST_HEAD(&fip->fcfs);
 	mutex_init(&fip->ctlr_mutex);
 	fip->flogi_oxid = FC_XID_UNKNOWN;

drivers/scsi/fnic/fnic_main.c

@@ -617,18 +617,18 @@ static int __devinit fnic_probe(struct pci_dev *pdev,
 	fnic->ctlr.send = fnic_eth_send;
 	fnic->ctlr.update_mac = fnic_update_mac;
 	fnic->ctlr.get_src_addr = fnic_get_mac;
-	fcoe_ctlr_init(&fnic->ctlr);
 	if (fnic->config.flags & VFCF_FIP_CAPABLE) {
 		shost_printk(KERN_INFO, fnic->lport->host,
 			     "firmware supports FIP\n");
 		/* enable directed and multicast */
 		vnic_dev_packet_filter(fnic->vdev, 1, 1, 0, 0, 0);
 		vnic_dev_add_addr(fnic->vdev, FIP_ALL_ENODE_MACS);
 		vnic_dev_add_addr(fnic->vdev, fnic->ctlr.ctl_src_addr);
+		fcoe_ctlr_init(&fnic->ctlr, FIP_MODE_AUTO);
 	} else {
 		shost_printk(KERN_INFO, fnic->lport->host,
 			     "firmware uses non-FIP mode\n");
-		fnic->ctlr.mode = FIP_ST_NON_FIP;
+		fcoe_ctlr_init(&fnic->ctlr, FIP_MODE_NON_FIP);
 	}
 	fnic->state = FNIC_IN_FC_MODE;
 

include/scsi/libfcoe.h

@@ -54,6 +54,15 @@ enum fip_state {
 	FIP_ST_ENABLED,
 };
 
+/*
+ * Modes:
+ * The mode is the state that is to be entered after link up.
+ * It must not change after fcoe_ctlr_init() sets it.
+ */
+#define FIP_MODE_AUTO		FIP_ST_AUTO
+#define FIP_MODE_NON_FIP	FIP_ST_NON_FIP
+#define FIP_MODE_FABRIC		FIP_ST_ENABLED
+
 /**
  * struct fcoe_ctlr - FCoE Controller and FIP state
  * @state:	   internal FIP state for network link and FIP or non-FIP mode.
@@ -152,7 +161,7 @@ struct fcoe_fcf {
 };
 
 /* FIP API functions */
-void fcoe_ctlr_init(struct fcoe_ctlr *);
+void fcoe_ctlr_init(struct fcoe_ctlr *, enum fip_state);
 void fcoe_ctlr_destroy(struct fcoe_ctlr *);
 void fcoe_ctlr_link_up(struct fcoe_ctlr *);
 int fcoe_ctlr_link_down(struct fcoe_ctlr *);