[eepro100] MTU more then 1500

Ben Greear greearb@candelatech.com
Thu Dec 5 13:29:26 2002


Donald Becker wrote:
> On Thu, 5 Dec 2002, Stephane Bortzmeyer wrote:
> 
>>On Tue, Dec 03, 2002 at 03:13:50PM +0100,
>> Gerd Aschemann <gerd@aschemann.net> wrote 
>> a message of 12 lines which said:
>>
>>
>>>>is there a way to increase MTU to more then 1500? is it a harware or
>>>>driver issue?
>>
>>It is a driver issue. I did not try the following patch but it seems
>>simple:
>>
>>http://www.candelatech.com/~greear/vlan/cisco_howto.html#targ3
> 
> 
> That page has evil, evil patches done by people that Did Not Quite
> Understand.
> 
> The eepro100 patch just removes the length limit.  That opens up huge
> holes for buffer overflows, denial of service and crashing the machine.
> 
> Go ahead and apply it to your own machine, but please never distribute
> the patches or the resulting drivers.
> 
> [[ Yes, this upsets me: irresponsible patches like these make it into
> the kernel all of the time.  Especially with 100 people saying "it works
> for me".  If changing that single bit in the configuration table was a
> good idea, don't you think that I would have done it?  ]]

It upsets me that I hear how evil this patch is over and over, but no
one, especially the people that Should Quite Understand,
ever offers a better one.

> 
> 


-- 
Ben Greear <greearb@candelatech.com>       <Ben_Greear AT excite.com>
President of Candela Technologies Inc      http://www.candelatech.com
ScryMUD:  http://scry.wanfear.com     http://scry.wanfear.com/~greear