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[TG3]: Reset chip when changing MAC address

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Do the full chip reset when changing MAC address if ASF is enabled.

ASF sometimes uses a different MAC address than the driver. Without
the reset, the ASF MAC address may be overwritten when the driver's
MAC address is changed.

Signed-off-by: Michael Chan <mchan@broadcom.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Michael Chan
2006-04-29 18:58:01 -07:00
committed by David S. Miller
parent c424cb249d
commit 58712ef9f2
1 changed files with 17 additions and 3 deletions
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14
drivers/net/tg3.c
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@@ -5732,9 +5732,23 @@ static int tg3_set_mac_addr(struct net_device *dev, void *p)
if (!netif_running(dev)) if (!netif_running(dev))
return 0; return 0;
if (tp->tg3_flags & TG3_FLAG_ENABLE_ASF) {
/* Reset chip so that ASF can re-init any MAC addresses it
* needs.
*/
tg3_netif_stop(tp);
tg3_full_lock(tp, 1);
tg3_halt(tp, RESET_KIND_SHUTDOWN, 1);
tg3_init_hw(tp);
tg3_netif_start(tp);
tg3_full_unlock(tp);
} else {
spin_lock_bh(&tp->lock); spin_lock_bh(&tp->lock);
__tg3_set_mac_addr(tp); __tg3_set_mac_addr(tp);
spin_unlock_bh(&tp->lock); spin_unlock_bh(&tp->lock);
}
return 0; return 0;
} }