[PATCH] wifi: ath12k: fix legacy peer association due to missing HT or 6 GHz capabilities

[Pradeep Kumar Chitrapu]

On 6/13/2024 8:42 AM, Jeff Johnson wrote:
> On 6/12/2024 3:53 PM, Pradeep Kumar Chitrapu wrote:
>> Currently SMPS configuration failed when the Information
>> Elements (IEs) did not contain HT or 6 GHz capabilities. This
>> caused legacy peer association to fail as legacy peers do not
>> have HT or 6 GHz capabilities. Fix this by not returning an
>> error when SMPS configuration fails due to the absence of HT
>> or 6 GHz capabilities.
>>
>> Tested-on: QCN9274 hw2.0 PCI WLAN.WBE.1.0.1-00029-QCAHKSWPL_SILICONZ-1
>>
>> Fixes: f0e61dc7ecf9 ("wifi: ath12k: refactor SMPS configuration")
>> Reported-by: Aditya Kumar Singh <quic_adisi at quicinc.com>
> 
> Per checkpatch:
> WARNING: Reported-by: should be immediately followed by Closes: with a URL to the report
> #17:
> Reported-by: Aditya Kumar Singh <quic_adisi at quicinc.com>
> 
> Is there a separate public bug report from Aditya?
Hi Jeff,
No, this was internal report and does not have weblink associated with 
it. Also, do not want to ignore reportee.

Thanks
Pradeep
> 
>> Reported-by: Zachary Smith <dr.z.smith at gmail.com>
>> Closes: https://lore.kernel.org/all/CAM=znoFPcXrn5GhDmDmo50Syic3-hXpWvD+vkv8KX5o_ZTo8kQ@mail.gmail.com/
>> Signed-off-by: Pradeep Kumar Chitrapu <quic_pradeepc at quicinc.com>
>> ---
>>   drivers/net/wireless/ath/ath12k/mac.c | 9 ++++++---
>>   1 file changed, 6 insertions(+), 3 deletions(-)
>>
>> diff --git a/drivers/net/wireless/ath/ath12k/mac.c b/drivers/net/wireless/ath/ath12k/mac.c
>> index 2259ce22cc8b..fa9f6656a06f 100644
>> --- a/drivers/net/wireless/ath/ath12k/mac.c
>> +++ b/drivers/net/wireless/ath/ath12k/mac.c
>> @@ -2255,9 +2255,6 @@ static int ath12k_get_smps_from_capa(const struct ieee80211_sta_ht_cap *ht_cap,
>>   				     const struct ieee80211_he_6ghz_capa *he_6ghz_capa,
>>   				     int *smps)
>>   {
>> -	if (!ht_cap->ht_supported && !he_6ghz_capa->capa)
>> -		return -EOPNOTSUPP;
>> -
>>   	if (ht_cap->ht_supported)
>>   		*smps = u16_get_bits(ht_cap->cap, IEEE80211_HT_CAP_SM_PS);
>>   	else
>> @@ -2277,6 +2274,9 @@ static void ath12k_peer_assoc_h_smps(struct ieee80211_sta *sta,
>>   	const struct ieee80211_sta_ht_cap *ht_cap = &sta->deflink.ht_cap;
>>   	int smps;
>>   
>> +	if (!ht_cap->ht_supported && !he_6ghz_capa->capa)
>> +		return;
>> +
>>   	if (ath12k_get_smps_from_capa(ht_cap, he_6ghz_capa, &smps))
>>   		return;
>>   
>> @@ -2756,6 +2756,9 @@ static int ath12k_setup_peer_smps(struct ath12k *ar, struct ath12k_vif *arvif,
>>   {
>>   	int smps, ret = 0;
>>   
>> +	if (!ht_cap->ht_supported && !he_6ghz_capa)
>> +		return 0;
>> +
>>   	ret = ath12k_get_smps_from_capa(ht_cap, he_6ghz_capa, &smps);
>>   	if (ret < 0)
>>   		return ret;
>>
>> base-commit: e72048809ec7355a947415ae6836d2eb7fdcda39
>