From:   Ryder Lee <ryder.lee@mediatek.com>
To:     Johannes Berg <johannes@sipsolutions.net>
CC:     Shayne Chen <shayne.chen@mediatek.com>,
        Evelyn Tsai <evelyn.tsai@mediatek.com>,
        <linux-wireless@vger.kernel.org>,
        <linux-mediatek@lists.infradead.org>,
        Ryder Lee <ryder.lee@mediatek.com>
Subject: [PATCH v2 2/2] wifi: mac80211: add LDPC related flags in ieee80211_bss_conf
Date:   Sat, 18 Feb 2023 01:49:25 +0800
Message-ID: <1de696aaa34efd77a926eb657b8c0fda05aaa177.1676628065.git.ryder.lee@mediatek.com>
In-Reply-To: <8d9966c4c1e77cb1ade77d42bdc49905609192e9.1676628065.git.ryder.lee@mediatek.com>
References: <8d9966c4c1e77cb1ade77d42bdc49905609192e9.1676628065.git.ryder.lee@mediatek.com>
MIME-Version: 1.0
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This is utilized to pass LDPC configurations from user space
(i.e. hostapd) to driver.

Signed-off-by: Ryder Lee <ryder.lee@mediatek.com>
---
changes since v2
- fix typo of commit logs.
- revise statement of newly added members in ieee80211_bss_conf.
---
 include/net/mac80211.h |  6 ++++++
 net/mac80211/cfg.c     | 11 +++++++++++
 2 files changed, 17 insertions(+)

diff --git a/include/net/mac80211.h b/include/net/mac80211.h
index 879fc14ebd2a..5f0902b4f8ea 100644
--- 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
@@ -750,6 +753,9 @@ 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;
diff --git a/net/mac80211/cfg.c b/net/mac80211/cfg.c
index 6bf1cdf254f6..b02cd0acc4e3 100644
--- a/net/mac80211/cfg.c
+++ b/net/mac80211/cfg.c
@@ -1252,7 +1252,15 @@ static int ieee80211_start_ap(struct wiphy *wiphy, struct net_device *dev,
 	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 wiphy *wiphy, struct net_device *dev,
 	}
 
 	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;
-- 
2.18.0