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

From: Jan Engelhardt
Date: Sun Jun 03 2007 - 04:21:56 EST



On Jun 3 2007 01:07, Valdis.Kletnieks@xxxxxx 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
--
-
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@xxxxxxxxxxxxxxx
More majordomo info at http://vger.kernel.org/majordomo-info.html
Please read the FAQ at http://www.tux.org/lkml/