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Re: [PATCH 0/2] xt_u32 - match arbitrary bits and bytes of a packet

To: Valdis.Kletnieks@vt.edu
Subject: Re: [PATCH 0/2] xt_u32 - match arbitrary bits and bytes of a packet
From: Jan Engelhardt <jengelh@linux01.gwdg.de>
Date: Sun, 3 Jun 2007 10:20:13 +0200 (MEST)
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On Jun 3 2007 01:07, Valdis.Kletnieks@vt.edu wrote:
>On Sat, 02 Jun 2007 23:46:46 +0200, Jan Engelhardt said:
>
>> along comes xt_u32, a revamped ipt_u32,
>
>+1 for doing this - I've been dragging along a local ipt_u32 patch for a while,
>and been wishing it had ipv6 support.
>
>>     *        Reduced the buffer size to 17 KB. I think that is quite ok 
>> since 
>>      I added an overflow check,  SHOULD THERE BE ANY device with an 
>>      MTU larger than our loopback masterpiece (16436 bytes).
>> 
>>      Are there such devices that support Megasuperjumboframes?
>
>IP over Infiniband? I think those have some outrageous MTU?  Personally,
>I wouldn't need it for anything bigger than 9K ethernet jumbograms, but
>that one's a decision for others.

Can you find out? For such supersize packets, I'd like to switch to
kmalloc/vmalloc rather than keeping a big buffer in the .bss.


        Jan
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