2 files changed, 30 insertions, 0 deletions

diff --git a/include/linux/ethtool.h b/include/linux/ethtool.h
index 90c4a3616d94..15e4eb713694 100644
--- a/include/linux/ethtool.h
+++ b/include/linux/ethtool.h
@@ -362,6 +362,18 @@ struct ethtool_rxnfc {
         __u32                           rule_locs[0];
 };
 
+#define ETHTOOL_FLASH_MAX_FILENAME      128
+enum ethtool_flash_op_type {
+        ETHTOOL_FLASH_ALL_REGIONS       = 0,
+};
+
+/* for passing firmware flashing related parameters */
+struct ethtool_flash {
+        __u32   cmd;
+        __u32   region;
+        char    data[ETHTOOL_FLASH_MAX_FILENAME];
+};
+
 #ifdef __KERNEL__
 
 struct net_device;
@@ -489,6 +501,7 @@ struct ethtool_ops {
         int     (*get_stats_count)(struct net_device *);/* use get_sset_count */
         int     (*get_rxnfc)(struct net_device *, struct ethtool_rxnfc *, void *);
         int     (*set_rxnfc)(struct net_device *, struct ethtool_rxnfc *);
+        int     (*flash_device)(struct net_device *, struct ethtool_flash *);
 };
 #endif /* __KERNEL__ */
 
@@ -545,6 +558,7 @@ struct ethtool_ops {
 #define ETHTOOL_GRXCLSRLALL     0x00000030 /* Get all RX classification rule */
 #define ETHTOOL_SRXCLSRLDEL     0x00000031 /* Delete RX classification rule */
 #define ETHTOOL_SRXCLSRLINS     0x00000032 /* Insert RX classification rule */
+#define ETHTOOL_FLASHDEV        0x00000033 /* Flash firmware to device */
 
 /* compatibility with older code */
 #define SPARC_ETH_GSET          ETHTOOL_GSET
diff --git a/net/core/ethtool.c b/net/core/ethtool.c
index 44e571111d3a..4c12ddb5f5ee 100644
--- a/net/core/ethtool.c
+++ b/net/core/ethtool.c
@@ -898,6 +898,19 @@ static int ethtool_set_value(struct net_device *dev, char __user *useraddr,
         return actor(dev, edata.data);
 }
 
+static int ethtool_flash_device(struct net_device *dev, char __user *useraddr)
+{
+        struct ethtool_flash efl;
+
+        if (copy_from_user(&efl, useraddr, sizeof(efl)))
+                return -EFAULT;
+
+        if (!dev->ethtool_ops->flash_device)
+                return -EOPNOTSUPP;
+
+        return dev->ethtool_ops->flash_device(dev, &efl);
+}
+
 /* The main entry point in this file.  Called from net/core/dev.c */
 
 int dev_ethtool(struct net *net, struct ifreq *ifr)
@@ -1111,6 +1124,9 @@ int dev_ethtool(struct net *net, struct ifreq *ifr)
         case ETHTOOL_SGRO:
                 rc = ethtool_set_gro(dev, useraddr);
                 break;
+        case ETHTOOL_FLASHDEV:
+                rc = ethtool_flash_device(dev, useraddr);
+                break;
         default:
                 rc = -EOPNOTSUPP;
         }