On Fri, Feb 20, 2015 at 2:58 AM, Krishna Chaitanya <chaitanya.mgit@xxxxxxxxx> wrote: > On Fri, Feb 20, 2015 at 1:00 AM, Krishna Chaitanya > <chaitanya.mgit@xxxxxxxxx> wrote: >> Hi Johannes, >> >> The BW tracking feature in mac80211 is causing connection problems and >> operating mode/bw problems when switching b/w modes and bw's in AP. >> >> For Eg. Initially if AP is operating in VHT-80MHz, and then we changed >> in to HT-40MHz, mac80211 cannot handle it because the VHT capability >> is mismatched b/w stored info (ifmgd->flags). >> >> I have tried your DISABLE_BW_TRACK patch, that helps making the >> connection but it doesn't update the chipset causing issues. >> >> Ideally we should be able to handle all the config changes right? > > Before that i have a basic question? Should we reset our tracking after > the connection is lost, in my case above the connection was lost (Config > change in A triggers a reboot), still mac80211 is tracking the BW changes? Any ideas johannes? Currenlty we kind-of disabled BW tracking as a work around for this issue. mlme.c: Removed the capability checks. if (!cfg80211_chandef_valid(&chandef)) { sdata_info(sdata, "AP %pM chandef invalid - disconnect\n", ifmgd->bssid); return -EINVAL; } -- To unsubscribe from this list: send the line "unsubscribe linux-wireless" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html