On Sunday 12 August 2007 21:27:41 Michael Trimarchi wrote:
> Implement set_mac_address() for the dm9000 driver. This allows changing
> the mac address of the interface.
>
> Signed-off-by: Michael Trimarchi <[EMAIL PROTECTED]>
> ---
>
> --- linux-2.6.22/drivers/net/dm9000.c.orig 2007-07-09 01:32:17.000000000
> +0200
> +++ linux-2.6.22/drivers/net/dm9000.c 2007-08-12 21:42:50.000000000 +0200
> @@ -161,6 +161,8 @@ static irqreturn_t dm9000_interrupt(int,
> static int dm9000_phy_read(struct net_device *dev, int phyaddr_unsused, int
> reg);
> static void dm9000_phy_write(struct net_device *dev, int phyaddr_unused, int
> reg,
> int value);
> +static int dm9000_eth_set_mac_address(struct net_device *dev, void *p);
> +
> static u16 read_srom_word(board_info_t *, int);
> static void dm9000_rx(struct net_device *);
> static void dm9000_hash_table(struct net_device *);
> @@ -546,6 +548,7 @@ dm9000_probe(struct platform_device *pde
> ndev->stop = &dm9000_stop;
> ndev->get_stats = &dm9000_get_stats;
> ndev->set_multicast_list = &dm9000_hash_table;
> + ndev->set_mac_address = &dm9000_eth_set_mac_address;
> #ifdef CONFIG_NET_POLL_CONTROLLER
> ndev->poll_controller = &dm9000_poll_controller;
> #endif
> @@ -986,7 +989,6 @@ read_srom_word(board_info_t * db, int of
> return (ior(db, DM9000_EPDRL) + (ior(db, DM9000_EPDRH) << 8));
> }
>
> -#ifdef DM9000_PROGRAM_EEPROM
> /*
> * Write a word data to SROM
> */
> @@ -1002,6 +1004,34 @@ write_srom_word(board_info_t * db, int o
> }
>
> /*
> + * dm9000_eth_set_mac_address
> + *
> + * Change the interface's mac address.
> + *
> + */
> +static int
> +dm9000_eth_set_mac_address(struct net_device *dev, void *p)
> +{
> + board_info_t *db = (board_info_t *) dev->priv;
> + struct sockaddr *addr = p;
> + int i;
> +
> + if (!is_valid_ether_addr(addr->sa_data))
> + return -EADDRNOTAVAIL;
> +
> + if (netif_running(dev))
> + return -EBUSY;
> +
> + memcpy(dev->dev_addr, addr->sa_data, dev->addr_len);
> +
> + for (i = 0; i < 3; i++)
> + write_srom_word(db, i, ((u16 *)(addr->sa_data))[i]);
That is broken on BigEndian architectures.
--
Greetings Michael.
-
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