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

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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>
This commit is contained in:
Jon Wetzel
2005-08-20 17:15:54 -07:00
committed by David S. Miller
parent 8cd25c1fcf
commit a6f9a70578
3 changed files with 62 additions and 1 deletions
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13
include/linux/ethtool.h
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@ -250,6 +250,12 @@ struct ethtool_stats {
u64 data[0];
};
struct ethtool_perm_addr {
u32 cmd; /* ETHTOOL_GPERMADDR */
u32 size;
u8 data[0];
};
struct net_device;
/* Some generic methods drivers may use in their ethtool_ops */
@ -261,6 +267,8 @@ u32 ethtool_op_get_sg(struct net_device *dev);
int ethtool_op_set_sg(struct net_device *dev, u32 data);
u32 ethtool_op_get_tso(struct net_device *dev);
int ethtool_op_set_tso(struct net_device *dev, u32 data);
int ethtool_op_get_perm_addr(struct net_device *dev,
struct ethtool_perm_addr *addr, u8 *data);
/**
* &ethtool_ops - Alter and report network device settings
@ -294,7 +302,8 @@ int ethtool_op_set_tso(struct net_device *dev, u32 data);
* get_strings: Return a set of strings that describe the requested objects
* phys_id: Identify the device
* get_stats: Return statistics about the device
*
* get_perm_addr: Gets the permanent hardware address
*
* Description:
*
* get_settings:
@ -352,6 +361,7 @@ struct ethtool_ops {
int (*phys_id)(struct net_device *, u32);
int (*get_stats_count)(struct net_device *);
void (*get_ethtool_stats)(struct net_device *, struct ethtool_stats *, u64 *);
int (*get_perm_addr)(struct net_device *, struct ethtool_perm_addr *, u8 *);
int (*begin)(struct net_device *);
void (*complete)(struct net_device *);
};
@ -389,6 +399,7 @@ struct ethtool_ops {
#define ETHTOOL_GSTATS 0x0000001d /* get NIC-specific statistics */
#define ETHTOOL_GTSO 0x0000001e /* Get TSO enable (ethtool_value) */
#define ETHTOOL_STSO 0x0000001f /* Set TSO enable (ethtool_value) */
#define ETHTOOL_GPERMADDR 0x00000020 /* Get permanent hardware address */
/* compatibility with older code */
#define SPARC_ETH_GSET ETHTOOL_GSET