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From: Muna Sinada <quic_msinada@quicinc.com>
Date: Wed, 5 Oct 2022 14:54:45 -0700
Subject: [PATCH] wifi: mac80211: Add VHT MU-MIMO related flags in
ieee80211_bss_conf
Adding flags for SU Beamformer, SU Beamformee, MU Beamformer and
MU Beamformee for VHT. This is utilized to pass MU-MIMO
configurations from user space to driver in AP mode.
Signed-off-by: Muna Sinada <quic_msinada@quicinc.com>
Link: https://lore.kernel.org/r/1665006886-23874-1-git-send-email-quic_msinada@quicinc.com
[fixed indentation, removed redundant !!]
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
---
--- a/include/net/mac80211.h
+++ b/include/net/mac80211.h
@@ -653,6 +653,14 @@ struct ieee80211_fils_discovery {
* write-protected by sdata_lock and local->mtx so holding either is fine
* for read access.
* @color_change_color: the bss color that will be used after the change.
+ * @vht_su_beamformer: in AP mode, does this BSS support operation as an VHT SU
+ * beamformer
+ * @vht_su_beamformee: in AP mode, does this BSS support operation as an VHT SU
+ * beamformee
+ * @vht_mu_beamformer: in AP mode, does this BSS support operation as an VHT MU
+ * beamformer
+ * @vht_mu_beamformee: in AP mode, does this BSS support operation as an VHT MU
+ * beamformee
*/
struct ieee80211_bss_conf {
const u8 *bssid;
@@ -726,6 +734,11 @@ struct ieee80211_bss_conf {
bool color_change_active;
u8 color_change_color;
+
+ bool vht_su_beamformer;
+ bool vht_su_beamformee;
+ bool vht_mu_beamformer;
+ bool vht_mu_beamformee;
};
/**
--- a/net/mac80211/cfg.c
+++ b/net/mac80211/cfg.c
@@ -1252,6 +1252,21 @@ static int ieee80211_start_ap(struct wip
prev_beacon_int = link_conf->beacon_int;
link_conf->beacon_int = params->beacon_interval;
+ if (params->vht_cap) {
+ link_conf->vht_su_beamformer =
+ params->vht_cap->vht_cap_info &
+ cpu_to_le32(IEEE80211_VHT_CAP_SU_BEAMFORMER_CAPABLE);
+ link_conf->vht_su_beamformee =
+ params->vht_cap->vht_cap_info &
+ cpu_to_le32(IEEE80211_VHT_CAP_SU_BEAMFORMEE_CAPABLE);
+ link_conf->vht_mu_beamformer =
+ params->vht_cap->vht_cap_info &
+ cpu_to_le32(IEEE80211_VHT_CAP_MU_BEAMFORMER_CAPABLE);
+ link_conf->vht_mu_beamformee =
+ params->vht_cap->vht_cap_info &
+ cpu_to_le32(IEEE80211_VHT_CAP_MU_BEAMFORMEE_CAPABLE);
+ }
+
if (params->he_cap && params->he_oper) {
link_conf->he_support = true;
link_conf->htc_trig_based_pkt_ext =
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