[LARTC] u32 classifier

[Andreani Luca <landreani@seltatel.it>]

[-- Attachment #1: Type: text/plain, Size: 772 bytes --]

Dear list,

I have some problems with u32 classifier. I use a board based on Motorola
MPC8245 processor (ppc based). I noticed that when the u32_classify function

(in /net/sched/cls_u32.c) is called, it returns an error. Making some
printk-based debug I found that the critical point in the code is the
following:

#if !defined(__i386__) && !defined(__mc68000__)
	if ((unsigned long)ptr & 3)
		return -1;
#endif

The problem is that when I have a packet to be forwarded the classification
fails at this point (return -1, default class). This is not the case when
the packet is generated locally. The question is: what is the meaning of
this code, what happens if this check is removed in architectures other then
i386 and mc68000?

Thank's in advance,

Luca Andreani.
		

[-- Attachment #2: Type: text/html, Size: 1568 bytes --]