vxge: add support for ethtool firmware flashing

Add the ability in the vxge driver to flash firmware via ethtool.

Updated to include comments from Ben Hutchings.

Signed-off-by: Jon Mason <jon.mason@exar.com>
Signed-off-by: Ram Vepa <ram.vepa@exar.com>
Signed-off-by: David S. Miller <davem@davemloft.net>

1 files changed, 20 insertions, 0 deletions

diff --git a/drivers/net/vxge/vxge-ethtool.c b/drivers/net/vxge/vxge-ethtool.c
index f8fd8da4f173..3d2cd6acf30a 100644
--- a/drivers/net/vxge/vxge-ethtool.c
+++ b/drivers/net/vxge/vxge-ethtool.c
@@ -1153,6 +1153,25 @@ static int vxge_set_flags(struct net_device *dev, u32 data)
         return 0;
 }
 
+static int vxge_fw_flash(struct net_device *dev, struct ethtool_flash *parms)
+{
+        struct vxgedev *vdev = (struct vxgedev *)netdev_priv(dev);
+
+        if (vdev->max_vpath_supported != VXGE_HW_MAX_VIRTUAL_PATHS) {
+                printk(KERN_INFO "Single Function Mode is required to flash the"
+                       " firmware\n");
+                return -EINVAL;
+        }
+
+        if (netif_running(dev)) {
+                printk(KERN_INFO "Interface %s must be down to flash the "
+                       "firmware\n", dev->name);
+                return -EBUSY;
+        }
+
+        return vxge_fw_upgrade(vdev, parms->data, 1);
+}
+
 static const struct ethtool_ops vxge_ethtool_ops = {
         .get_settings           = vxge_ethtool_gset,
         .set_settings           = vxge_ethtool_sset,
@@ -1175,6 +1194,7 @@ static const struct ethtool_ops vxge_ethtool_ops = {
         .get_sset_count         = vxge_ethtool_get_sset_count,
         .get_ethtool_stats      = vxge_get_ethtool_stats,
         .set_flags              = vxge_set_flags,
+        .flash_device           = vxge_fw_flash,
 };
 
 void vxge_initialize_ethtool_ops(struct net_device *ndev)