bnx2x: Added nvram personalities support

When a device is configured to act as either iscsi or fcoe
device in its nvram, prevent the other from being misused by
preventing its activation in the driver.

Signed-off-by: Yuval Mintz <yuvalmin@broadcom.com>
Signed-off-by: Ariel Elior <ariele@broadcom.com>
Signed-off-by: Eilon Greenstein <eilong@broadcom.com>
Signed-off-by: David S. Miller <davem@davemloft.net>

drivers/net/ethernet/broadcom/bnx2x/bnx2x_hsi.h

@@ -899,6 +899,10 @@ struct port_feat_cfg {		    /* port 0: 0x454  port 1: 0x4c8 */
 		#define PORT_FEAT_CFG_DCBX_DISABLED                  0x00000000
 		#define PORT_FEAT_CFG_DCBX_ENABLED                   0x00000100
 
+		#define PORT_FEAT_CFG_STORAGE_PERSONALITY_MASK        0x00000C00
+		#define PORT_FEAT_CFG_STORAGE_PERSONALITY_FCOE        0x00000400
+		#define PORT_FEAT_CFG_STORAGE_PERSONALITY_ISCSI       0x00000800
+
 	#define PORT_FEATURE_EN_SIZE_MASK                   0x0f000000
 	#define PORT_FEATURE_EN_SIZE_SHIFT                           24
 	#define PORT_FEATURE_WOL_ENABLED                             0x01000000

drivers/net/ethernet/broadcom/bnx2x/bnx2x_main.c

@@ -10570,6 +10570,13 @@ static void bnx2x_get_port_hwinfo(struct bnx2x *bp)
 	bp->wol = (!(bp->flags & NO_WOL_FLAG) &&
 		   (config & PORT_FEATURE_WOL_ENABLED));
 
+	if ((config & PORT_FEAT_CFG_STORAGE_PERSONALITY_MASK) ==
+	    PORT_FEAT_CFG_STORAGE_PERSONALITY_FCOE && !IS_MF(bp))
+		bp->flags |= NO_ISCSI_FLAG;
+	if ((config & PORT_FEAT_CFG_STORAGE_PERSONALITY_MASK) ==
+	    PORT_FEAT_CFG_STORAGE_PERSONALITY_ISCSI && !(IS_MF(bp)))
+		bp->flags |= NO_FCOE_FLAG;
+
 	BNX2X_DEV_INFO("lane_config 0x%08x  speed_cap_mask0 0x%08x  link_config0 0x%08x\n",
 		       bp->link_params.lane_config,
 		       bp->link_params.speed_cap_mask[0],