[PATCH] hostapd: Add he_ldpc configuration

[MeiChia Chiu]

From: MeiChia Chiu <meichia.chiu at mediatek.com>

Add configuration option 'he_ldpc' to enable or disable he ldpc support.

Signed-off-by: Money Wang <Money.Wang at mediatek.com>
Signed-off-by: MeiChia Chiu <MeiChia.Chiu at mediatek.com>
---
 hostapd/config_file.c        | 2 ++
 hostapd/hostapd.conf         | 5 +++++
 src/ap/ap_config.c           | 1 +
 src/ap/ap_config.h           | 1 +
 src/ap/ieee802_11_he.c       | 7 +++++++
 src/common/ieee802_11_defs.h | 3 +++
 6 files changed, 19 insertions(+)

diff --git a/hostapd/config_file.c b/hostapd/config_file.c
index 76f9cf831..f26ed13f1 100644
--- a/hostapd/config_file.c
+++ b/hostapd/config_file.c
@@ -3489,6 +3489,8 @@ static int hostapd_config_fill(struct hostapd_config *conf,
 		conf->he_phy_capab.he_su_beamformee = atoi(pos);
 	} else if (os_strcmp(buf, "he_mu_beamformer") == 0) {
 		conf->he_phy_capab.he_mu_beamformer = atoi(pos);
+	} else if (os_strcmp(buf, "he_ldpc") == 0) {
+		conf->he_phy_capab.he_ldpc = atoi(pos);
 	} else if (os_strcmp(buf, "he_bss_color") == 0) {
 		conf->he_op.he_bss_color = atoi(pos) & 0x3f;
 		conf->he_op.he_bss_color_disabled = 0;
diff --git a/hostapd/hostapd.conf b/hostapd/hostapd.conf
index c5e74a6a2..cf9f7522d 100644
--- a/hostapd/hostapd.conf
+++ b/hostapd/hostapd.conf
@@ -833,6 +833,11 @@ wmm_ac_vo_acm=0
 # 1 = supported
 #he_mu_beamformer=1
 
+#he_ldpc: HE LDPC support
+# 0 = not supported
+# 1 = supported (default)
+#he_ldpc=1
+
 # he_bss_color: BSS color (1-63)
 #he_bss_color=1
 
diff --git a/src/ap/ap_config.c b/src/ap/ap_config.c
index dd73e68b3..c86eb89e2 100644
--- a/src/ap/ap_config.c
+++ b/src/ap/ap_config.c
@@ -267,6 +267,7 @@ struct hostapd_config * hostapd_config_defaults(void)
 #endif /* CONFIG_ACS */
 
 #ifdef CONFIG_IEEE80211AX
+	conf->he_phy_capab.he_ldpc = 1;
 	conf->he_op.he_rts_threshold = HE_OPERATION_RTS_THRESHOLD_MASK >>
 		HE_OPERATION_RTS_THRESHOLD_OFFSET;
 	/* Set default basic MCS/NSS set to single stream MCS 0-7 */
diff --git a/src/ap/ap_config.h b/src/ap/ap_config.h
index 1631cf2aa..d8bc2e2fd 100644
--- a/src/ap/ap_config.h
+++ b/src/ap/ap_config.h
@@ -925,6 +925,7 @@ struct hostapd_bss_config {
  * struct he_phy_capabilities_info - HE PHY capabilities
  */
 struct he_phy_capabilities_info {
+	bool he_ldpc;
 	bool he_su_beamformer;
 	bool he_su_beamformee;
 	bool he_mu_beamformer;
diff --git a/src/ap/ieee802_11_he.c b/src/ap/ieee802_11_he.c
index 12273c34c..b06c76382 100644
--- a/src/ap/ieee802_11_he.c
+++ b/src/ap/ieee802_11_he.c
@@ -138,6 +138,13 @@ u8 * hostapd_eid_he_capab(struct hostapd_data *hapd, u8 *eid,
 		os_memcpy(&cap->optional[mcs_nss_size],
 			  mode->he_capab[opmode].ppet,  ppet_size);
 
+	if (hapd->iface->conf->he_phy_capab.he_ldpc)
+		cap->he_phy_capab_info[HE_PHYCAP_LDPC_CODING_IN_PAYLOAD_IDX] |=
+			HE_PHYCAP_LDPC_CODING_IN_PAYLOAD;
+	else
+		cap->he_phy_capab_info[HE_PHYCAP_LDPC_CODING_IN_PAYLOAD_IDX] &=
+			~HE_PHYCAP_LDPC_CODING_IN_PAYLOAD;
+
 	if (hapd->iface->conf->he_phy_capab.he_su_beamformer)
 		cap->he_phy_capab_info[HE_PHYCAP_SU_BEAMFORMER_CAPAB_IDX] |=
 			HE_PHYCAP_SU_BEAMFORMER_CAPAB;
diff --git a/src/common/ieee802_11_defs.h b/src/common/ieee802_11_defs.h
index 21b48ac52..a6e83fd2b 100644
--- a/src/common/ieee802_11_defs.h
+++ b/src/common/ieee802_11_defs.h
@@ -2319,6 +2319,9 @@ struct ieee80211_spatial_reuse {
 #define HE_PHYCAP_CHANNEL_WIDTH_SET_160MHZ_IN_5G	((u8) BIT(3))
 #define HE_PHYCAP_CHANNEL_WIDTH_SET_80PLUS80MHZ_IN_5G	((u8) BIT(4))
 
+#define HE_PHYCAP_LDPC_CODING_IN_PAYLOAD_IDX	1
+#define HE_PHYCAP_LDPC_CODING_IN_PAYLOAD	((u8) BIT(5))
+
 #define HE_PHYCAP_SU_BEAMFORMER_CAPAB_IDX	3
 #define HE_PHYCAP_SU_BEAMFORMER_CAPAB		((u8) BIT(7))
 #define HE_PHYCAP_SU_BEAMFORMEE_CAPAB_IDX	4
-- 
2.39.0