[PATCH V13 0/9] wifi: ath12k: add MU-MIMO and 160 MHz bandwidth support

[Vasanthakumar Thiagarajan]

On 4/18/2025 11:18 PM, Pradeep Kumar Chitrapu wrote:
> Add support for
> 1. enabling MU-MIMO in HE and EHT modes from hardware
> 2. setting fixed HE rate/GI/LTF
> 3. 160 MHz bandwidth in HE mode
> 4. extended NSS bandwidth support
> 
> Tested-on: QCN9274 hw2.0 PCI WLAN.WBE.1.0.1-00029-QCAHKSWPL_SILICONZ-1
> Tested-on: WCN7850 hw2.0 PCI WLAN.HMT.1.0.c5-00481-QCAHMTSWPL_V1.0_V2.0_SILICONZ-3
> 
> changes in v13:
>   - rebase
> 
> changes in v12:
>   - rebase
> 
> changes in v11:
>   patch 1/9:
>    - fix return values in ath12k_mac_set_he_txbf_conf() and
>      ath12k_mac_vif_recalc_sta_he_txbf()
>   patch 6/9:
>    - fix missing he_mcs initialization in ath12k_mac_init_arvif()
> 
> changes in v10:
>   patch 6/9:
>    - use ath12k_ahsta_to_sta()
>    - fix rcu_dereference warning in ath12k_mac_set_bitrate_mask_iter()
>    - change return type for ath12k_mac_validate_fixed_rate_settings()
>    - improve readability by adhering to nl80211 definitions of GI
>      NL80211_TXRATE_DEFAULT_GI. Introduce ath12k_mac_nlgi_to_wmigi()
>      for conversion.
>   patch 7/9:
>    - do not change default MODE_11AC_VHT160 in
>      ath12k_mac_get_phymode_vht() as it breaks clients which do not
>      set VHT_CAP_SUPP_CHAN_WIDTH_160MHZ.
>   patch 8/9:
>    - Use IEEE80211_VHT_CAP_EXT_NSS_BW_MASK along with
>      IEEE80211_VHT_CAP_SUPP_CHAN_WIDTH_160MHZ for determining VHT160
>      phymode.
> 
> changes in v9: rebase on top of master branch with mlo changes
>   patch 1/9 and 2/9:
>    - fetch link_conf using ath12k_mac_get_link_bss_conf()
>      instead of arvif->vif->bss_conf before mlo
>   patch 6/9
>    - fetch mcs/nss values from sta->link[] instead of sta->deflink
>    - fix spelling of 'incompatibility'
>   patch 8/9
>    - replace sta->deflink.addr with arsta->addr in
>      ath12k_peer_assoc_h_vht
>   patch 9/9
>    - replace sta->deflink.rx_nss with link_sta->rx_nss
> 
> changes in v8:
>   - rebase and resolve KASAN warnings reported by Jeff in v7, in patch 6/9.
> 
> Pradeep Kumar Chitrapu (9):
>    wifi: ath12k: push HE MU-MIMO params to hardware
>    wifi: ath12k: push EHT MU-MIMO params to hardware
>    wifi: ath12k: move HE MCS mapper to a separate function
>    wifi: ath12k: generate rx and tx mcs maps for supported HE mcs
>    wifi: ath12k: fix TX and RX MCS rate configurations in HE mode
>    wifi: ath12k: add support for setting fixed HE rate/GI/LTF
>    wifi: ath12k: clean up 80P80 support
>    wifi: ath12k: add support for 160 MHz bandwidth
>    wifi: ath12k: add extended NSS bandwidth support for 160 MHz
> 
>   drivers/net/wireless/ath/ath12k/core.h |    2 +
>   drivers/net/wireless/ath/ath12k/mac.c  | 1141 ++++++++++++++++++++----
>   drivers/net/wireless/ath/ath12k/mac.h  |   17 +
>   drivers/net/wireless/ath/ath12k/wmi.c  |   13 +-
>   drivers/net/wireless/ath/ath12k/wmi.h  |  107 ++-
>   5 files changed, 1058 insertions(+), 222 deletions(-)

Reviewed-by: Vasanthakumar Thiagarajan <vasanthakumar.thiagarajan at oss.qualcomm.com>