From b0408751128edc126eb37798d51891d8d0a41dc6 Mon Sep 17 00:00:00 2001 From: Michael Chan Date: Tue, 13 Feb 2007 12:18:30 -0800 Subject: [TG3]: Add some tx timeout debug messages. Print the most useful information during tx timeout to help debug. Signed-off-by: Michael Chan Signed-off-by: David S. Miller --- drivers/net/tg3.c | 12 +++++++++++- 1 file changed, 11 insertions(+), 1 deletion(-) diff --git a/drivers/net/tg3.c b/drivers/net/tg3.c index a1aeba2442f..159570b12c3 100644 --- a/drivers/net/tg3.c +++ b/drivers/net/tg3.c @@ -3735,13 +3735,23 @@ out: 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); } -- cgit v1.2.3