doc:networking: Update comment for dev_id field in netdevice.h
This patch updates the comment for 'dev_id' field in
'include/linux/netdevice.h' to reflect the intended
usage of 'dev_id'.
References: http://marc.info/?l=linux-netdev&m=136992115300526&w=2
References: http://marc.info/?l=linux-netdev&m=137062569014612&w=2
Signed-off-by: Narendra K <narendra_k@dell.com>
Reviewed-by: Ben Hutchings <bhutchings@solarflare.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
diff --git a/include/linux/netdevice.h b/include/linux/netdevice.h
index 2ecb96d..e5d6557 100644
--- a/include/linux/netdevice.h
+++ b/include/linux/netdevice.h
@@ -1174,8 +1174,10 @@
unsigned char addr_assign_type; /* hw address assignment type */
unsigned char addr_len; /* hardware address length */
unsigned char neigh_priv_len;
- unsigned short dev_id; /* for shared network cards */
-
+ unsigned short dev_id; /* Used to differentiate devices
+ * that share the same link
+ * layer address
+ */
spinlock_t addr_list_lock;
struct netdev_hw_addr_list uc; /* Unicast mac addresses */
struct netdev_hw_addr_list mc; /* Multicast mac addresses */