netdev - Re: tg3 driver not advertising 1000mbit

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Message-ID: <4CED9148.9010105@dupondje.be>
Date:	Wed, 24 Nov 2010 23:27:20 +0100
From:	Jean-Louis Dupond <info@...ondje.be>
To:	Krzysztof Olędzki <ole@....pl>
CC:	Matt 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

I didn't do more research on the issue.

The guys @ broadcom advised me to do BIOS update, so the firmware of the 
NIC is updated.

Maby you can try that also?

Sincerely,
Jean-Louis Dupond

Op 24-11-10 21:09, Krzysztof Olędzki schreef:
> On 2009-07-02 18:42, Matt Carlson wrote:
>> 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);
>
> Hello,
>
> Have you been able to solve this issue? I have a similar problem with
> Dell PowerEdge R300 servers connected to HP2610 100Mbps switches. The
> servers contain two BCM5722 NICs and after a reboot, with probability
> about 70%, I end up with 10Mbps HD mainly on the first NIC.
>
> I discovered that it is enough to run:
> /sbin/mii-tool -R eth0
> /sbin/mii-tool -R eth1
> to trigger renegotiation that brings expected 100Mbps FD. For now, I
> added this to my startups scripts as a workaround.
>
> This problem exists in 2.6.30-stable, 2.6.31-stable and 2.6.34-stable
> which I'm currently running.
>
> Best regards,
>
> Krzysztof Olędzki
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