[NET]: Add support for getting the permanent hardware address.

This patch adds a new field to net device to hold the permanent
hardware address, and adds a new generic ethtool_op function to
get that address.

Signed-off-by: Jon Wetzel <jon_wetzel@dell.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
Signed-off-by: David S. Miller <davem@davemloft.net>

1 files changed, 1 insertions, 0 deletions

diff --git a/include/linux/netdevice.h b/include/linux/netdevice.h
index 1fcaa88b8625..7c717907896d 100644
--- a/include/linux/netdevice.h
+++ b/include/linux/netdevice.h
@@ -337,6 +337,7 @@ struct net_device
         /* Interface address info. */
         unsigned char           broadcast[MAX_ADDR_LEN];        /* hw bcast add */
         unsigned char           dev_addr[MAX_ADDR_LEN]; /* hw address   */
+        unsigned char           perm_addr[MAX_ADDR_LEN]; /* permanent hw address */
         unsigned char           addr_len;       /* hardware address length      */
         unsigned short          dev_id;         /* for shared network cards */