From 73a6f5c37ec223fbee77eaad2912642d51c09924 Mon Sep 17 00:00:00 2001
From: Ilan Peer <ilan.peer@intel.com>
Date: Tue, 21 Nov 2023 01:51:22 +0200
Subject: [PATCH] AP MLD: Make BSS parameter change variable

As a preparation to support link removal, make the BSS parameter
change count variable.

Signed-off-by: Ilan Peer <ilan.peer@intel.com>
---
 hostapd/main.c          | 3 +++
 src/ap/hostapd.h        | 4 ++++
 src/ap/ieee802_11_eht.c | 4 +---
 3 files changed, 8 insertions(+), 3 deletions(-)

diff --git a/hostapd/main.c b/hostapd/main.c
index aac2a81de..fcb01f60e 100644
--- a/hostapd/main.c
+++ b/hostapd/main.c
@@ -338,6 +338,9 @@ setup_mld:
 			return -1;
 		}
 
+		/* Initialize the BSS parameter change to 1 */
+		hapd->eht_mld_bss_param_change = 1;
+
 		wpa_printf(MSG_DEBUG,
 			   "MLD: Set link_id=%u, mld_addr=" MACSTR
 			   ", own_addr=" MACSTR,
diff --git a/src/ap/hostapd.h b/src/ap/hostapd.h
index 2994b2788..6dbe569cb 100644
--- a/src/ap/hostapd.h
+++ b/src/ap/hostapd.h
@@ -468,6 +468,10 @@ struct hostapd_data {
 #ifdef CONFIG_CTRL_IFACE_UDP
        unsigned char ctrl_iface_cookie[CTRL_IFACE_COOKIE_LEN];
 #endif /* CONFIG_CTRL_IFACE_UDP */
+
+#ifdef CONFIG_IEEE80211BE
+	u8 eht_mld_bss_param_change;
+#endif /* CONFIG_IEEE80211BE */
 };
 
 
diff --git a/src/ap/ieee802_11_eht.c b/src/ap/ieee802_11_eht.c
index d3c1f20f4..dce2acf74 100644
--- a/src/ap/ieee802_11_eht.c
+++ b/src/ap/ieee802_11_eht.c
@@ -563,9 +563,7 @@ u8 * hostapd_eid_eht_basic_ml(struct hostapd_data *hapd, u8 *eid,
 		wpabuf_put_le16(buf, link_bss->conf->dtim_period);
 
 		/* BSS Parameters Change Count */
-		/* TODO: Currently hard code the BSS Parameters Change Count to
-		 * 0x1 */
-		wpabuf_put_u8(buf, 0x1);
+		wpabuf_put_u8(buf, hapd->eht_mld_bss_param_change);
 
 		/* Fragment the sub element if needed */
 		if (total_len <= 255) {