enic: set IG desc cache flag in open

New adapter needs CMD_OPENF_IG_DESCCACHE flag to be set. If this flag is
not set, fw flushes the global IG desc cache. This flag is nop in older
adapter.

Also increment driver version
Signed-off-by: Govindarajulu Varadarajan <gvaradar@cisco.com>
Signed-off-by: David S. Miller <davem@davemloft.net>

drivers/net/ethernet/cisco/enic/enic.h

@@ -33,7 +33,7 @@
 
 #define DRV_NAME		"enic"
 #define DRV_DESCRIPTION		"Cisco VIC Ethernet NIC Driver"
-#define DRV_VERSION		"2.3.0.45"
+#define DRV_VERSION		"2.3.0.53"
 #define DRV_COPYRIGHT		"Copyright 2008-2013 Cisco Systems, Inc"
 
 #define ENIC_BARS_MAX		6

drivers/net/ethernet/cisco/enic/enic_main.c

@@ -2196,9 +2196,10 @@ static int enic_dev_wait(struct vnic_dev *vdev,
 static int enic_dev_open(struct enic *enic)
 {
 	int err;
+	u32 flags = CMD_OPENF_IG_DESCCACHE;
 
 	err = enic_dev_wait(enic->vdev, vnic_dev_open,
-		vnic_dev_open_done, 0);
+		vnic_dev_open_done, flags);
 	if (err)
 		dev_err(enic_get_dev(enic), "vNIC device open failed, err %d\n",
 			err);

drivers/net/ethernet/cisco/enic/vnic_devcmd.h

@@ -439,6 +439,7 @@ enum vnic_devcmd_cmd {
 
 /* flags for CMD_OPEN */
 #define CMD_OPENF_OPROM		0x1	/* open coming from option rom */
+#define CMD_OPENF_IG_DESCCACHE	0x2	/* Do not flush IG DESC cache */
 
 /* flags for CMD_INIT */
 #define CMD_INITF_DEFAULT_MAC	0x1	/* init with default mac addr */