[PATCH 2/3] hostapd: Fix explicit VHT channel switching

Michal Kazior michal.kazior at tieto.com
Wed Mar 19 04:27:12 EDT 2014


On 19 March 2014 09:20, Peer, Ilan <ilan.peer at intel.com> wrote:
> Hi Michal,
>
>> -----Original Message-----
>> From: hostap-bounces at lists.shmoo.com [mailto:hostap-
>> bounces at lists.shmoo.com] On Behalf Of Michal Kazior
>> Sent: Tuesday, March 18, 2014 14:38
>> To: j at w1.fi
>> Cc: hostap at lists.shmoo.com
>> Subject: [PATCH 2/3] hostapd: Fix explicit VHT channel switching
>>
>> diff --git a/src/ap/drv_callbacks.c b/src/ap/drv_callbacks.c index
>> 439bf66..9ed7601 100644
>> --- a/src/ap/drv_callbacks.c
>> +++ b/src/ap/drv_callbacks.c
>> @@ -480,6 +480,8 @@ void hostapd_event_ch_switch(struct hostapd_data
>> *hapd, int freq, int ht,
>>
>>       if (hapd->iface->csa_in_progress &&
>>           freq == hapd->iface->cs_freq_params.freq) {
>> +             hapd->iconf->ieee80211ac = hapd->iface-
>> >cs_freq_params.vht_enabled;
>> +
>
> Same as in the previous patch I think. hapd->iface->cs_freq_params.vht_enabled is set based on the ieee80211ac, so I do not think that there is a need to update it here.

With chan_switch you can have vht_enabled true/false. Without this
line you get invalid IEs after CSA in some cases.


Michał


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