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Re: [PATCH v3 07/10] wifi: ath12k: add support for setting fixed HE rate/GI/LTF

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Pradeep Kumar Chitrapu <quic_pradeepc@xxxxxxxxxxx> writes:

> On 4/26/2024 12:31 AM, Kalle Valo wrote:
>> Jeff Johnson <quic_jjohnson@xxxxxxxxxxx> writes:
>> 
>>> On 4/24/2024 1:19 PM, Pradeep Kumar Chitrapu wrote:
>>>> Add support to set fixed HE rate/GI/LTF values using nl80211.
>>>> Reuse parts of the existing code path already used for HT/VHT
>>>> to implement the new helpers symmetrically, similar to how
>>>> HT/VHT is handled.
>>>>
>>>> Tested-on: QCN9274 hw2.0 PCI WLAN.WBE.1.0.1-00029-QCAHKSWPL_SILICONZ-1
>>>>
>>>> Co-developed-by: Muna Sinada <quic_msinada@xxxxxxxxxxx>
>>>> Signed-off-by: Muna Sinada <quic_msinada@xxxxxxxxxxx>
>>>> Signed-off-by: Pradeep Kumar Chitrapu <quic_pradeepc@xxxxxxxxxxx>
>>>> ---
>>>
>>> [...]
>>>
>>>> @@ -7753,7 +8034,20 @@ ath12k_mac_bitrate_mask_get_single_nss(struct ath12k *ar,
>>>>   			return false;
>>>>   	}
>>>>   -	if (ht_nss_mask != vht_nss_mask)
>>>> +	he_mcs_map = le16_to_cpu(ath12k_mac_get_tx_mcs_map(&sband->iftype_data->he_cap));
>>>
>>> drivers/net/wireless/ath/ath12k/mac.c:8041:22: warning: incorrect type in argument 1 (different address spaces)
>>> drivers/net/wireless/ath/ath12k/mac.c:8041:22:    expected struct ieee80211_sta_he_cap const *he_cap
>>> drivers/net/wireless/ath/ath12k/mac.c:8041:22:    got struct ieee80211_sta_he_cap const [noderef] __iftype_data *
>> ALWAYS run ath12k-check, we wrote the tool for a reason. Skipping
>> these
>> tests is disrespect for maintainers' time and a great way to get your
>> patches to the bottom of the queue.
>> 
> Hi Kalle
>
> I did run ath12k-check but I don't see these errors. Trying to see if
> this is due to version differences. will update further once I have
> more information on this.
>
> This is version I ran:
> qca-swiss-army-knife/tools/scripts/ath12k/ath12k-check --version
> ath12k-check (md5sum cb8a85242f2ec7343f6f94af9fa5ebb2)
>
> python:         3.6.9 (default, Mar 10 2023, 16:46:00)
> [GCC 8.4.0]
> host gcc:       gcc (Ubuntu 7.5.0-3ubuntu1~18.04) 7.5.0
> config cc:      gcc (Ubuntu 7.5.0-3ubuntu1~18.04) 7.5.0
> sparse:         v0.6.4
> checkpatch.pl:  Version: 0.32 (md5sum 12ea394e9bf27280f30a684ff937cc57)
> gtags:          gtags (GNU GLOBAL) 6.6.2

Your sparse is too old, you need to get the latest from git:

https://docs.kernel.org/dev-tools/sparse.html#getting-sparse

Also your GCC is really old, I strongly recommend to use GCC 13.2. You
can get it here:

https://mirrors.edge.kernel.org/pub/tools/crosstool/

Why on earth are you using Ubuntu 18.04? It's end of life was a year
ago.

And please also update ath12k-check. This is what I have:

$ ath12k-check --version
ath12k-check (md5sum c5567fc8aaede613275e8cafea6ed7cd)

python:         3.11.2 (main, Mar 13 2023, 12:18:29) [GCC 12.2.0]
host gcc:       gcc (Debian 12.2.0-14) 12.2.0
config cc:      x86_64-linux-gcc (GCC) 13.2.0
sparse:         v0.6.4-39-gce1a6720f69e
checkpatch.pl:  Version: 0.32 (md5sum 77c655474ed7622c0077caf2f0d7c440)
gtags:          gtags (Global) 6.6.9

> I see some notes like below this in all files:
> drivers/net/wireless/ath/ath12k/mac.c: note: in included file (through
> include/linux/bitops.h, include/linux/kernel.h,
> include/net/mac80211.h):
> drivers/net/wireless/ath/ath12k/mac.c: note: in included file (through
> include/linux/bitops.h, include/linux/kernel.h,
> include/net/mac80211.h):

Jeff and me are extra careful that there are no warnings in ath12k, in
fact in wireless-next the whole wireless subsystem has no sparse
warnings. So if you ever see warnings please report them to maintainers
ASAP.

-- 
https://patchwork.kernel.org/project/linux-wireless/list/

https://wireless.wiki.kernel.org/en/developers/documentation/submittingpatches




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