2024-03-27 17:09:33

by Pradeep Kumar Chitrapu

[permalink] [raw]
Subject: [PATCH v2 01/10] wifi: mac80211: Add EHT UL MU-MIMO flag in ieee80211_bss_conf

Add flag for Full Bandwidth UL MU-MIMO for EHT. This is utilized
to pass EHT MU-MIMO configurations from user space to driver.

Tested-on: QCN9274 hw2.0 PCI WLAN.WBE.1.0.1-00029-QCAHKSWPL_SILICONZ-1

Signed-off-by: Pradeep Kumar Chitrapu <[email protected]>
---
include/net/mac80211.h | 4 ++++
net/mac80211/cfg.c | 5 +++++
2 files changed, 9 insertions(+)

diff --git a/include/net/mac80211.h b/include/net/mac80211.h
index 353488ab94a2..54bd2a988d91 100644
--- a/include/net/mac80211.h
+++ b/include/net/mac80211.h
@@ -701,6 +701,9 @@ struct ieee80211_fils_discovery {
* beamformee
* @eht_mu_beamformer: in AP-mode, does this BSS enable operation as an EHT MU
* beamformer
+ * @eht_80mhz_full_bw_ul_mumimo: does this BSS support the reception (AP) or transmission
+ * (non-AP STA) of an EHT TB PPDU on an RU that spans the entire PPDU
+ * bandwidth
*/
struct ieee80211_bss_conf {
struct ieee80211_vif *vif;
@@ -793,6 +796,7 @@ struct ieee80211_bss_conf {
bool eht_su_beamformer;
bool eht_su_beamformee;
bool eht_mu_beamformer;
+ bool eht_80mhz_full_bw_ul_mumimo;
};

/**
diff --git a/net/mac80211/cfg.c b/net/mac80211/cfg.c
index f03452dc716d..894c7b6ddb0a 100644
--- a/net/mac80211/cfg.c
+++ b/net/mac80211/cfg.c
@@ -1379,6 +1379,11 @@ static int ieee80211_start_ap(struct wiphy *wiphy, struct net_device *dev,
(IEEE80211_EHT_PHY_CAP7_MU_BEAMFORMER_80MHZ |
IEEE80211_EHT_PHY_CAP7_MU_BEAMFORMER_160MHZ |
IEEE80211_EHT_PHY_CAP7_MU_BEAMFORMER_320MHZ);
+ link_conf->eht_80mhz_full_bw_ul_mumimo =
+ params->eht_cap->fixed.phy_cap_info[7] &
+ (IEEE80211_EHT_PHY_CAP7_NON_OFDMA_UL_MU_MIMO_80MHZ |
+ IEEE80211_EHT_PHY_CAP7_NON_OFDMA_UL_MU_MIMO_160MHZ |
+ IEEE80211_EHT_PHY_CAP7_NON_OFDMA_UL_MU_MIMO_320MHZ);
} else {
link_conf->eht_su_beamformer = false;
link_conf->eht_su_beamformee = false;
--
2.17.1