netdev - Re: tg3 driver not advertising 1000mbit

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Message-ID: <20090702164212.GA8430@xw6200.broadcom.net>
Date:	Thu, 2 Jul 2009 09:42:12 -0700
From:	"Matt Carlson" <mcarlson@...adcom.com>
To:	"Jean-Louis Dupond" <info@...ondje.be>
cc:	"Matthew Carlson" <mcarlson@...adcom.com>,
	"Michael Chan" <mchan@...adcom.com>,
	"netdev@...r.kernel.org" <netdev@...r.kernel.org>,
	"David Christensen" <davidch@...adcom.com>
Subject: Re: tg3 driver not advertising 1000mbit

On Tue, Jun 30, 2009 at 02:20:45AM -0700, Jean-Louis Dupond wrote:
> # ethtool -i eth0
> driver: tg3
> version: 3.97
> firmware-version: 5722-v3.08, ASFIPMI v6.02
> bus-info: 0000:01:00.0
> 
> Kernel version 2.6.29.4

Rats.  I mirrored your setup here, but I still can't reproduce the
problem.  I still suspect this is a bad driver <=> firmware interaction.

Can you apply the following patch and show me the resulting syslog
entries?  The patch is just making sure the firmware request to shutdown
really goes through.


diff --git a/drivers/net/tg3.c b/drivers/net/tg3.c
index 46a3f86..900e28b 100644
--- a/drivers/net/tg3.c
+++ b/drivers/net/tg3.c
@@ -1124,6 +1124,9 @@ static void tg3_wait_for_event_ack(struct tg3 *tp)
 			break;
 		udelay(8);
 	}
+
+	if (i == delay_cnt)
+		printk( KERN_WARNING "Firmware didn't ack driver event!\n" );
 }
 
 /* tp->lock is held. */
@@ -6330,12 +6333,16 @@ static void tg3_stop_fw(struct tg3 *tp)
 		/* Wait for RX cpu to ACK the previous event. */
 		tg3_wait_for_event_ack(tp);
 
+		printk( KERN_NOTICE "%s: Stopping firmware.\n", tp->dev->name );
+
 		tg3_write_mem(tp, NIC_SRAM_FW_CMD_MBOX, FWCMD_NICDRV_PAUSE_FW);
 
 		tg3_generate_fw_event(tp);
 
 		/* Wait for RX cpu to ACK this event. */
 		tg3_wait_for_event_ack(tp);
+
+		printk( KERN_NOTICE "%s: Operation completed.\n", tp->dev->name );
 	}
 }
 
@@ -7537,6 +7544,8 @@ static void tg3_timer(unsigned long __opaque)
 		    !(tp->tg3_flags3 & TG3_FLG3_ENABLE_APE)) {
 			tg3_wait_for_event_ack(tp);
 
+			printk( KERN_NOTICE "%s: Sending keepalive event.\n", tp->dev->name );
+
 			tg3_write_mem(tp, NIC_SRAM_FW_CMD_MBOX,
 				      FWCMD_NICDRV_ALIVE3);
 			tg3_write_mem(tp, NIC_SRAM_FW_CMD_LEN_MBOX, 4);

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