2022-10-05 22:01:28

by Muna Sinada

[permalink] [raw]
Subject: [PATCH v4 2/2] mac80211: Add HE MU-MIMO related flags in ieee80211_bss_conf

Adding flags for SU Beamformer, SU Beamformee, MU Beamformer and Full
Bandwidth UL MU-MIMO for HE. This is utilized to pass MU-MIMO
configurations from user space to driver in AP mode.

Signed-off-by: Muna Sinada <[email protected]>
---
include/net/mac80211.h | 13 +++++++++++++
net/mac80211/cfg.c | 15 +++++++++++++++
2 files changed, 28 insertions(+)

diff --git a/include/net/mac80211.h b/include/net/mac80211.h
index d30cb1e9d180..073b555c1097 100644
--- a/include/net/mac80211.h
+++ b/include/net/mac80211.h
@@ -660,6 +660,15 @@ struct ieee80211_fils_discovery {
* beamformer
* @vht_mu_beamformee: in AP-mode, does this BSS support operation as an VHT MU
* beamformee
+ * @he_su_beamformer: in AP-mode, does this BSS support operation as an HE SU
+ * beamformer
+ * @he_su_beamformee: in AP-mode, does this BSS support operation as an HE SU
+ * beamformee
+ * @he_mu_beamformer: in AP-mode, does this BSS support operation as an HE MU
+ * beamformer
+ * @he_full_ul_mumimo: does this BSS support the reception (AP) or transmission
+ * (non-AP STA) of an HE TB PPDU on an RU that spans the entire PPDU
+ * bandwidth
*/
struct ieee80211_bss_conf {
const u8 *bssid;
@@ -738,6 +747,10 @@ struct ieee80211_bss_conf {
bool vht_su_beamformee;
bool vht_mu_beamformer;
bool vht_mu_beamformee;
+ bool he_su_beamformer;
+ bool he_su_beamformee;
+ bool he_mu_beamformer;
+ bool he_full_ul_mumimo;
};

/**
diff --git a/net/mac80211/cfg.c b/net/mac80211/cfg.c
index 293640b9da13..810822f1a7f7 100644
--- a/net/mac80211/cfg.c
+++ b/net/mac80211/cfg.c
@@ -1280,6 +1280,21 @@ static int ieee80211_start_ap(struct wiphy *wiphy, struct net_device *dev,
changed |= BSS_CHANGED_HE_BSS_COLOR;
}

+ if (params->he_cap) {
+ link_conf->he_su_beamformer =
+ !!(params->he_cap->phy_cap_info[3] &
+ IEEE80211_HE_PHY_CAP3_SU_BEAMFORMER);
+ link_conf->he_su_beamformee =
+ !!(params->he_cap->phy_cap_info[4] &
+ IEEE80211_HE_PHY_CAP4_SU_BEAMFORMEE);
+ link_conf->he_mu_beamformer =
+ !!(params->he_cap->phy_cap_info[4] &
+ IEEE80211_HE_PHY_CAP4_MU_BEAMFORMER);
+ link_conf->he_full_ul_mumimo =
+ !!(params->he_cap->phy_cap_info[2] &
+ IEEE80211_HE_PHY_CAP2_UL_MU_FULL_MU_MIMO);
+ }
+
if (sdata->vif.type == NL80211_IFTYPE_AP &&
params->mbssid_config.tx_wdev) {
err = ieee80211_set_ap_mbssid_options(sdata,
--
2.7.4