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>

diff --git a/include/net/mac80211.h b/include/net/mac80211.h
index 410cd3d..f12edca 100644 (file)
--- a/include/net/mac80211.h
+++ b/include/net/mac80211.h
@@ -657,6 +657,9 @@ 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
@@ -759,6 +762,9 @@ 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 9789008..760ad93 100644 (file)
--- 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;