Commit b0408751 authored by Michael Chan's avatar Michael Chan Committed by David S. Miller
Browse files

[TG3]: Add some tx timeout debug messages. 



Print the most useful information during tx timeout to help debug.

Signed-off-by: default avatarMichael Chan <mchan@broadcom.com>
Signed-off-by: default avatarDavid S. Miller <davem@davemloft.net>
parent 569a5df8

drivers/net/tg3.c

+11 −1
Original line number Diff line number Diff line
@@ -3735,13 +3735,23 @@ static void tg3_reset_task(struct work_struct *work) 
	tg3_full_unlock(tp);

}



static void tg3_dump_short_state(struct tg3 *tp)

{

	printk(KERN_ERR PFX "DEBUG: MAC_TX_STATUS[%08x] MAC_RX_STATUS[%08x]\n",

	       tr32(MAC_TX_STATUS), tr32(MAC_RX_STATUS));

	printk(KERN_ERR PFX "DEBUG: RDMAC_STATUS[%08x] WDMAC_STATUS[%08x]\n",

	       tr32(RDMAC_STATUS), tr32(WDMAC_STATUS));

}



static void tg3_tx_timeout(struct net_device *dev)

{

	struct tg3 *tp = netdev_priv(dev);



	if (netif_msg_tx_err(tp))

	if (netif_msg_tx_err(tp)) {

		printk(KERN_ERR PFX "%s: transmit timed out, resetting\n",

		       dev->name);

		tg3_dump_short_state(tp);

	}



	schedule_work(&tp->reset_task);

}