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From: Ryder Lee <ryder.lee@mediatek.com>
Date: Sat, 18 Feb 2023 01:49:25 +0800
Subject: [PATCH] wifi: mac80211: add LDPC related flags in ieee80211_bss_conf
This is utilized to pass LDPC configurations from user space
(i.e. hostapd) to driver.
Signed-off-by: Ryder Lee <ryder.lee@mediatek.com>
Link: https://lore.kernel.org/r/1de696aaa34efd77a926eb657b8c0fda05aaa177.1676628065.git.ryder.lee@mediatek.com
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
---
--- a/include/net/mac80211.h
+++ b/include/net/mac80211.h
@@ -653,6 +653,9 @@ 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.
+ * @ht_ldpc: in AP mode, indicates interface has HT LDPC capability.
+ * @vht_ldpc: in AP mode, indicates interface has VHT LDPC capability.
+ * @he_ldpc: in AP mode, indicates interface has HE LDPC capability.
* @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
@@ -744,6 +747,9 @@ struct ieee80211_bss_conf {
bool color_change_active;
u8 color_change_color;
+ bool ht_ldpc;
+ bool vht_ldpc;
+ bool he_ldpc;
bool vht_su_beamformer;
bool vht_su_beamformee;
bool vht_mu_beamformer;
--- a/net/mac80211/cfg.c
+++ b/net/mac80211/cfg.c
@@ -1252,7 +1252,15 @@ static int ieee80211_start_ap(struct wip
prev_beacon_int = link_conf->beacon_int;
link_conf->beacon_int = params->beacon_interval;
+ if (params->ht_cap)
+ link_conf->ht_ldpc =
+ params->ht_cap->cap_info &
+ cpu_to_le16(IEEE80211_HT_CAP_LDPC_CODING);
+
if (params->vht_cap) {
+ link_conf->vht_ldpc =
+ params->vht_cap->vht_cap_info &
+ cpu_to_le32(IEEE80211_VHT_CAP_RXLDPC);
link_conf->vht_su_beamformer =
params->vht_cap->vht_cap_info &
cpu_to_le32(IEEE80211_VHT_CAP_SU_BEAMFORMER_CAPABLE);
@@ -1282,6 +1290,9 @@ static int ieee80211_start_ap(struct wip
}
if (params->he_cap) {
+ link_conf->he_ldpc =
+ params->he_cap->phy_cap_info[1] &
+ IEEE80211_HE_PHY_CAP1_LDPC_CODING_IN_PAYLOAD;
link_conf->he_su_beamformer =
params->he_cap->phy_cap_info[3] &
IEEE80211_HE_PHY_CAP3_SU_BEAMFORMER;
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