[CUWiN-Dev] Re: ath0: hardware error

[David Young]

On Tue, Aug 30, 2005 at 06:49:17PM -0500, David Young wrote:
> On Tue, Aug 30, 2005 at 06:17:29PM -0500, David Young wrote:
> > I was able to semi-reliably reproduce the lossage you report with
> > 'ifconfig ath0 ssid cntwireless.net'.  I have attached a patch I applied
> > that may have fixed the problem.
> > 
> > I see a lot of these messages scrolling up the console when I set ssid
> > cntwireless.net.  No doubt it's because the SSIDs don't agree.  I remember
> > you mentioned that before.  I will send a second patch that quiets things.
> > 
> > ieee80211_ibss_merge: merge failed, capabilities mismatch
> > ieee80211_ibss_merge: merge failed, capabilities mismatch
> > ieee80211_ibss_merge: merge failed, capabilities mismatch
> > ieee80211_ibss_merge: merge failed, capabilities mismatch
> > ieee80211_ibss_merge: merge failed, capabilities mismatch
> > ieee80211_ibss_merge: merge failed, capabilities mismatch
> > ieee80211_ibss_merge: merge failed, capabilities mismatch
> 
> Here are both patches.

Forget the net80211-capmismatch-patch, it does not work as intended.
Do try the ath-lat-patch.

Dave

> 
> Dave
> 
> -- 
> David Young             OJC Technologies
> dyoung at ojctech.com      Urbana, IL * (217) 278-3933

> Index: dev/pci/if_ath_pci.c
> ===================================================================
> RCS file: /cvsroot/src/sys/dev/pci/if_ath_pci.c,v
> retrieving revision 1.10
> diff -u -u -r1.10 if_ath_pci.c
> --- dev/pci/if_ath_pci.c	22 Jun 2005 22:07:48 -0000	1.10
> +++ dev/pci/if_ath_pci.c	30 Aug 2005 22:44:37 -0000
> @@ -152,6 +152,16 @@
>  	    pci_conf_read(pc, pa->pa_tag, PCIR_RETRY_TIMEOUT_REG) &
>  	    ~PCIR_RETRY_TIMEOUT_MASK);
>  
> +	/*
> +	 * Make sure the latency timer is set to some reasonable
> +	 * value.
> +	 */
> +	res = pci_conf_read(pc, pa->pa_tag, PCI_BHLC_REG);
> +	if (PCI_LATTIMER(res) < 0xa8) {
> +		res &= ~(PCI_LATTIMER_MASK << PCI_LATTIMER_SHIFT);
> +		res |= (0xa8 << PCI_LATTIMER_SHIFT);
> +		pci_conf_write(pc, pa->pa_tag, PCI_BHLC_REG, res);
> +	}
>  	return 1;
>  }
>  

> Index: ieee80211_node.c
> ===================================================================
> RCS file: /cvsroot/src/sys/net80211/ieee80211_node.c,v
> retrieving revision 1.43
> diff -u -u -r1.43 ieee80211_node.c
> --- ieee80211_node.c	26 Jul 2005 23:07:53 -0000	1.43
> +++ ieee80211_node.c	30 Aug 2005 23:48:58 -0000
> @@ -769,7 +769,7 @@
>  		return 0;
>  	}
>  	if (ieee80211_match_bss(ic, ni) != 0) {	/* capabilities mismatch */
> -		IEEE80211_DPRINTF(ic, IEEE80211_MSG_ASSOC,
> +		IEEE80211_DPRINTF(ic, IEEE80211_MSG_ASSOC | IEEE80211_MSG_DEBUG,
>  		    "%s: merge failed, capabilities mismatch\n", __func__);
>  		ic->ic_stats.is_ibss_capmismatch++;
>  		return 0;

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-- 
David Young             OJC Technologies
dyoung at ojctech.com      Urbana, IL * (217) 278-3933