arm/179532: wireless networking on ARM

[Guillaume Bibaut]

Here is the output :

set_channel: c=0xc289b214, p=0xc2892fbb, rc=0xc2892fbb


picture : 

http://iaelu.net/~yom/efikamx/arm-eabi/photo6.JPG


--
Guillaume


Le 14 juin 2013 à 07:32, Adrian Chadd <adrian at freebsd.org> a écrit :

> So that line does this:
> 
>        rc->freq = htole16(c->ic_freq);
> 
> Please print out the value of p, c and rc before that is called.
> 
> printf("%s: c=%p, p=%p, rc=%p\n", __func__, c, p, rc);
> 
> I bet one of them is unaligned.
> 
> And I bet that 'c' is aligned, but 'rc' and 'p' aren't aligned.
> I bet they're unaligned because ic->ic_rxchan and/or ic->ic_txchan is unaligned.
> 
> Now, why _those_ are unaligned, I dunno. I bet the pointers passed
> into ieee80211_radiotap_attach() (th and rh) are unaligned, and that
> leads to this unalignment mess.
> 
> The whole tx and rx tap structure allocation in if_runvar.h is a bit sick. Sigh.
> 
> 
> 
> Adrian
> 
> 
> On 13 June 2013 16:49, Adrian Chadd <adrian at freebsd.org> wrote:
>> Ugh,
>> 
>> Hi,
>> 
>> An alignment fault? ugh. It works fine on MIPS; I wonder if it's
>> something odd to do with the specific driver in use.
>> 
>> I'll look at the source and get back to everyone.
>> 
>> Thanks!
>> 
>> 
>> 
>> adrian
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