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Date:      Fri, 22 Apr 2011 21:50:38 -0700
From:      Julian Elischer <julian@freebsd.org>
To:        Andrew Boyer <aboyer@averesystems.com>
Cc:        freebsd-net@freebsd.org, Steven Hartland <killing@multiplay.co.uk>, Jack Vogel <jfvogel@gmail.com>, "Vogel, Jack" <jack.vogel@intel.com>
Subject:   Re: Intel ix (X520) disconnects when manipulating ips?
Message-ID:  <4DB25A9E.5040008@freebsd.org>
In-Reply-To: <036FCFE4-98BA-4B90-A060-4597B68A3596@averesystems.com>
References:  <4E85F36598CB480AA8B9706881573CB9@multiplay.co.uk><521514204B99427691043FF127B6E841@multiplay.co.uk><BANLkTim8AYL4q63QqRasMm_s9sQ7etBW6g@mail.gmail.com><EFEE51362EF946398B49940E7B869F52@multiplay.co.uk><BANLkTimJpU119K=4-SD56WMBycW08GhkBA@mail.gmail.com>	<BANLkTimJX5HPOnX=3hqf0Y=_n-Aqc4UoUg@mail.gmail.com>	<A38BF553D0DF4B9385E88EBB2CEDC103@multiplay.co.uk> <036FCFE4-98BA-4B90-A060-4597B68A3596@averesystems.com>

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On 4/22/11 5:08 PM, Andrew Boyer wrote:
> Hello Steve and Jack,
> You need to handle the SIOCSIFADDR ioctl or it gets passed up the stack to ether_ioctl().  When it goes up the interface gets reset.  See the comments in em_ioctl() and igb_ioctl().
>
> We fixed this in ixgbe in our internal tree and it seems to work fine with 82598 and 82599.  You also need to include opt_inet.h for the INET #define to be valid.

so, what else have you fixed?   :-)

> -Andrew
>
> On Apr 22, 2011, at 7:06 PM, Steven Hartland wrote:
>
>> Just double checked on igb1 on the same machine, adding an alias causes
>> no loss in network from the primary or existing ip aliases for the nic.
>>
>> So this should be eliminating most variables except the driver?
>>
>>    Regards
>>    Steve
>>
>> ----- Original Message ----- From: "Jack Vogel"<jfvogel@gmail.com>
>> To: "Steven Hartland"<killing@multiplay.co.uk>
>> Cc:<freebsd-net@freebsd.org>; "Vogel, Jack"<jack.vogel@intel.com>
>> Sent: Friday, April 22, 2011 11:35 PM
>> Subject: Re: Intel ix (X520) disconnects when manipulating ips?
>>
>>
>>> OK, did some testing, this re-init with link transition will happen on both
>>> the 1G
>>> drivers as well as ixgbe, its due to the stack/ioctl behavior when  you do
>>> the
>>> ifconfig.
>>> So, what are you comparing this to that DOESN'T do this?? If this were to
>>> be kept from happening I'm not sure where the responsible code would be
>>> but I'm pretty sure its not in the driver :)
>>
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> --------------------------------------------------
> Andrew Boyer	aboyer@averesystems.com
>
>
>
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