[PATCH 1/2] ath10k: fix low TX rates when IBSS and HT

Janusz Dziedzic janusz.dziedzic at tieto.com
Tue Dec 16 03:45:17 PST 2014


On 16 December 2014 at 12:22, Janusz Dziedzic <janusz.dziedzic at tieto.com> wrote:
> On 16 December 2014 at 12:10, Yeoh Chun-Yeow <yeohchunyeow at gmail.com> wrote:
>> Hi, Janusz
>>
>> I have applied the three patches and tested with firmware
>> 999.999.0.636 but not working.
>>
>> Any advice what's wrong?
>>
> mac peer 04:f0:21:0c:a5:43 qos 0 - this is suspect.
> What is your test procedure (I see some mesh ...)?
> Maybe additional patch for mesh is required?
>
> I tested this using ath9k + ath10k (636) +
> iw wlanx set type ibss
> iw ibss join <> 5180 HT [HT40+]
> or wpa_supplicant in ibss mode (HT20 limited in current version)
>
> Next in airlogs I saw we are using nss>1 and higher mcs
> But for sure qos = 1 is required.
>
I am not sure why sta->wme is not set while we have HT rates (is it
allowed to have HT without WMM?)
But anyway as a quick workaroud you can try something like this:

@@ -1212,7 +1212,7 @@ static void ath10k_peer_assoc_h_ht(struct ath10k *ar,
        if (!ht_cap->ht_supported)
                return;

-       arg->peer_flags |= WMI_PEER_HT;
+       arg->peer_flags |= WMI_PEER_HT | WMI_PEER_QOS;
        arg->peer_max_mpdu = (1 << (IEEE80211_HT_MAX_AMPDU_FACTOR +
                                    ht_cap->ampdu_factor)) - 1;

@@ -3464,6 +3464,13 @@ static int ath10k_set_key(struct ieee80211_hw
*hw, enum set_key_cmd cmd,
                      key->cipher == WLAN_CIPHER_SUITE_WEP104;
        int ret = 0;

> BR
> Janusz
>
>
>> ---
>> ChunYeow
>>
>> Some of my dmesg:
>> [  640.450000] ath10k_pci 0000:00:00.0: wmi pdev set param 3 value 34
>> [  640.450000] ath10k_pci 0000:00:00.0: wmi pdev set param 4 value 34
>> [  640.450000] ath10k_pci 0000:00:00.0: wmi pdev set wmm params
>> [  640.450000] ath10k_pci 0000:00:00.0: wmi pdev set wmm params
>> [  640.450000] ath10k_pci 0000:00:00.0: wmi pdev set wmm params
>> [  640.450000] ath10k_pci 0000:00:00.0: wmi pdev set wmm params
>> [  640.450000] ath10k_pci 0000:00:00.0: wmi peer create vdev_id 0
>> peer_addr 04:f0:21:0c:a5:1c
>> [  640.450000] ath10k_pci 0000:00:00.0: wmi vdev id 0x0 set param 16 value 0
>> [  640.450000] ath10k_pci 0000:00:00.0: wmi vdev id 0x0 set param 3 value 100
>> [  640.450000] ath10k_pci 0000:00:00.0: mac vdev 0 beacon_interval 100
>> [  640.450000] ath10k_pci 0000:00:00.0: vdev 0 set beacon tx mode to staggered
>> [  640.450000] ath10k_pci 0000:00:00.0: wmi pdev set param 7 value 0
>> [  640.450000] ath10k_pci 0000:00:00.0: mac vdev 0 start center_freq
>> 5180 phymode 11na-ht20
>> [  640.450000] ath10k_pci 0000:00:00.0: wmi vdev start id 0x0 flags:
>> 0x0, freq 5180, mode 4, ch_flags: 0x4000000, max_power: 34
>> [  640.460000] ath10k_pci 0000:00:00.0: WMI_VDEV_START_RESP_EVENTID
>> [  640.460000] ath10k_pci 0000:00:00.0: wmi mgmt vdev up id 0x0 assoc
>> id 0 bssid 52:8d:75:e5:00:52
>> [  640.460000] ath10k_pci 0000:00:00.0: mac vdev 0 up
>> [  640.460000] ath10k_pci 0000:00:00.0: mac vdev 0 cts_prot 0
>> [  640.460000] ath10k_pci 0000:00:00.0: wmi vdev id 0x0 set param 44 value 0
>> [  640.460000] ath10k_pci 0000:00:00.0: WMI_TBTTOFFSET_UPDATE_EVENTID
>> [  640.460000] ath10k_pci 0000:00:00.0: mac vdev 0 slot_time 2
>> [  640.460000] ath10k_pci 0000:00:00.0: wmi vdev id 0x0 set param 7 value 2
>> [  640.460000] ath10k_pci 0000:00:00.0: mac vdev 0 preamble 1n
>> [  640.460000] ath10k_pci 0000:00:00.0: wmi vdev id 0x0 set param 8 value 1
>> [  640.460000] ath10k_pci 0000:00:00.0: mac vdev 0 peer create
>> 04:f0:21:0c:a5:43 (new sta) sta 1 / 16 peer 2 / 24
>> [  640.460000] ath10k_pci 0000:00:00.0: wmi peer create vdev_id 0
>> peer_addr 04:f0:21:0c:a5:43
>> [  640.460000] IPv6: ADDRCONF(NETDEV_CHANGE): mesh0: link becomes ready
>> [  640.470000] ath10k_pci 0000:00:00.0: mac sta 04:f0:21:0c:a5:43 associated
>> [  640.470000] ath10k_pci 0000:00:00.0: mac peer 04:f0:21:0c:a5:43 qos 0
>> [  640.470000] ath10k_pci 0000:00:00.0: mac peer 04:f0:21:0c:a5:43 phymode 11a
>> [  640.470000] ath10k_pci 0000:00:00.0: wmi peer assoc vdev 0 addr
>> 04:f0:21:0c:a5:43 (new)
>> [  640.470000] ath10k_pci 0000:00:00.0: wmi vdev 0 peer
>> 0x04:f0:21:0c:a5:43 set param 5 value 1
>> [  640.470000] ath10k_pci 0000:00:00.0: wmi vdev id 0x0 set param 44 value 33
>> [  640.470000] ath10k_pci 0000:00:00.0: mac monitor recalc started? 0 should? 0
>> [  640.540000] ath10k_pci 0000:00:00.0: mac sta rc update for
>> 04:f0:21:0c:a5:43 changed 00000004 bw 0 nss 1 smps 2
>> [  640.540000] ath10k_pci 0000:00:00.0: mac sta rc update for
>> 04:f0:21:0c:a5:43 changed 00000008 bw 0 nss 3 smps 2
>> [  640.540000] ath10k_pci 0000:00:00.0: mac update sta 04:f0:21:0c:a5:43 nss 3
>> [  640.540000] ath10k_pci 0000:00:00.0: wmi vdev 0 peer
>> 0x04:f0:21:0c:a5:43 set param 5 value 3
>> [  640.540000] ath10k_pci 0000:00:00.0: mac update sta
>> 04:f0:21:0c:a5:43 supp rates/nss
>> [  640.540000] ath10k_pci 0000:00:00.0: mac ht peer 04:f0:21:0c:a5:43
>> mcs cnt 24 nss 3
>> [  640.540000] ath10k_pci 0000:00:00.0: mac peer 04:f0:21:0c:a5:43 qos 0
>> [  640.540000] ath10k_pci 0000:00:00.0: mac peer 04:f0:21:0c:a5:43
>> phymode 11na-ht20
>> [  640.540000] ath10k_pci 0000:00:00.0: wmi peer assoc vdev 0 addr
>> 04:f0:21:0c:a5:43 (reassociate)
>> [  640.540000] ath10k_pci 0000:00:00.0: wmi vdev 0 peer
>> 0x04:f0:21:0c:a5:43 set param 5 value 3
>> [  640.560000] ath10k_pci 0000:00:00.0: wmi event debug mesg len 460
>> [  641.400000] ath10k_pci 0000:00:00.0: rx skb 86be4b40 len 148 peer
>> 04:f0:21:0c:a5:43  mcast sn 2  rate_idx 0 vht_nss 0 freq 5180 band 1
>> flag 0x200000 fcs-err 0 mic-err 0 amsdu-more 0
>> [  642.170000] ath10k_pci 0000:00:00.0: mac monitor recalc started? 0 should? 0
>> [  642.400000] ath10k_pci 0000:00:00.0: rx skb 86b49b40 len 108 peer
>> 04:f0:21:0c:a5:43  mcast sn 3  rate_idx 0 vht_nss 0 freq 5180 band 1
>> flag 0x200000 fcs-err 0 mic-err 0 amsdu-more 0
>> [  651.560000] ath10k_pci 0000:00:00.0: wmi event debug mesg len 28
>> [ 1740.540000] ath10k_pci 0000:00:00.0: rx skb 86af8540 len 60 peer
>> 04:f0:21:0c:a5:43  mcast sn 4  rate_idx 0 vht_nss 0 freq 5180 band 1
>> flag 0x200000 fcs-err 0 mic-err 0 amsdu-more 0
>> [ 1740.540000] ath10k_pci 0000:00:00.0: rx skb 86967600 len 116 peer
>> 04:f0:21:0c:a5:43  ucast sn 0  rate_idx 0 vht_nss 0 freq 5180 band 1
>> flag 0x200000 fcs-err 0 mic-err 0 amsdu-more 0
>> [ 1741.550000] ath10k_pci 0000:00:00.0: rx skb 86967000 len 116 peer
>> 04:f0:21:0c:a5:43  ucast sn 1  rate_idx 0 vht_nss 0 freq 5180 band 1
>> flag 0x200000 fcs-err 0 mic-err 0 amsdu-more 0
>> [ 1742.550000] ath10k_pci 0000:00:00.0: rx skb 86b8acc0 len 116 peer
>> 04:f0:21:0c:a5:43  ucast sn 2  rate_idx 0 vht_nss 0 freq 5180 band 1
>> flag 0x200000 fcs-err 0 mic-err 0 amsdu-more 0
>> [ 1743.550000] ath10k_pci 0000:00:00.0: rx skb 86a7a600 len 116 peer
>> 04:f0:21:0c:a5:43  ucast sn 3  rate_idx 0 vht_nss 0 freq 5180 band 1
>> flag 0x200000 fcs-err 0 mic-err 0 amsdu-more 0
>> [ 1746.560000] ath10k_pci 0000:00:00.0: rx skb 86a79cc0 len 60 peer
>> 04:f0:21:0c:a5:43  ucast sn 4  rate_idx 0 vht_nss 0 freq 5180 band 1
>> flag 0x200000 fcs-err 0 mic-err 0 amsdu-more 0
>> [ 1752.410000] ath10k_pci 0000:00:00.0: rx skb 86a9d540 len 116 peer
>> 04:f0:21:0c:a5:43  ucast sn 5  rate_idx 0 vht_nss 0 freq 5180 band 1
>> flag 0x200000 fcs-err 0 mic-err 0 amsdu-more 0
>> [ 1753.410000] ath10k_pci 0000:00:00.0: rx skb 86a7c6c0 len 116 peer
>> 04:f0:21:0c:a5:43  ucast sn 6  rate_idx 0 vht_nss 0 freq 5180 band 1
>> flag 0x200000 fcs-err 0 mic-err 0 amsdu-more 0
>> [ 1754.410000] ath10k_pci 0000:00:00.0: rx skb 86a7f6c0 len 116 peer
>> 04:f0:21:0c:a5:43  ucast sn 7  rate_idx 0 vht_nss 0 freq 5180 band 1
>> flag 0x200000 fcs-err 0 mic-err 0 amsdu-more 0
>> [ 1755.420000] ath10k_pci 0000:00:00.0: rx skb 86afc240 len 116 peer
>> 04:f0:21:0c:a5:43  ucast sn 8  rate_idx 0 vht_nss 0 freq 5180 band 1
>> flag 0x200000 fcs-err 0 mic-err 0 amsdu-more 0
>> [ 1756.420000] ath10k_pci 0000:00:00.0: rx skb 86a7d480 len 116 peer
>> 04:f0:21:0c:a5:43  ucast sn 9  rate_idx 0 vht_nss 0 freq 5180 band 1
>> flag 0x200000 fcs-err 0 mic-err 0 amsdu-more 0
>> [ 1757.420000] ath10k_pci 0000:00:00.0: rx skb 86af0180 len 116 peer
>> 04:f0:21:0c:a5:43  ucast sn 10  rate_idx 0 vht_nss 0 freq 5180 band 1
>> flag 0x200000 fcs-err 0 mic-err 0 amsdu-more 0
>>
>>
>> On Tue, Dec 16, 2014 at 4:52 PM, Janusz Dziedzic
>> <janusz.dziedzic at tieto.com> wrote:
>>> This fix TX problem when IBSS used in HT mode.
>>> Before we used 6Mbps all the time for TX direction.
>>>
>>> Reported-by: Yeoh Chun-Yeow <yeohchunyeow at gmail.com>
>>> Signed-off-by: Janusz Dziedzic <janusz.dziedzic at tieto.com>
>>> ---
>>>  drivers/net/wireless/ath/ath10k/mac.c | 7 +++++++
>>>  1 file changed, 7 insertions(+)
>>>
>>> diff --git a/drivers/net/wireless/ath/ath10k/mac.c b/drivers/net/wireless/ath/ath10k/mac.c
>>> index 5475f0f..c9e7995 100644
>>> --- a/drivers/net/wireless/ath/ath10k/mac.c
>>> +++ b/drivers/net/wireless/ath/ath10k/mac.c
>>> @@ -1411,9 +1411,16 @@ static void ath10k_peer_assoc_h_qos(struct ath10k *ar,
>>>                 if (vif->bss_conf.qos)
>>>                         arg->peer_flags |= WMI_PEER_QOS;
>>>                 break;
>>> +       case WMI_VDEV_TYPE_IBSS:
>>> +               if (sta->wme)
>>> +                       arg->peer_flags |= WMI_PEER_QOS;
>>> +               break;
>>>         default:
>>>                 break;
>>>         }
>>> +
>>> +       ath10k_dbg(ar, ATH10K_DBG_MAC, "mac peer %pM qos %d\n",
>>> +                  sta->addr, !!(arg->peer_flags & WMI_PEER_QOS));
>>>  }
>>>
>>>  static void ath10k_peer_assoc_h_phymode(struct ath10k *ar,
>>> --
>>> 1.9.1
>>>
>>>
>>> _______________________________________________
>>> ath10k mailing list
>>> ath10k at lists.infradead.org
>>> http://lists.infradead.org/mailman/listinfo/ath10k



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