hostapd: revert "ACS: Validate 6 GHz AP criteria before ACS"

By OpenWrt's design, hostapd runs in a single global instance for all radios supported by the device, rather than one instance per radio like hostapd usually does.

Signed-off-by: Agustin Lorenzo <agustin.lorenzo@thinco.es>
Link: https://github.com/openwrt/openwrt/pull/18426
Signed-off-by: Robert Marko <robimarko@gmail.com>

diff --git a/package/network/services/hostapd/patches/804-hostapd-revert-ACS-Validate-6-GHz-AP-criteria-before.patch b/package/network/services/hostapd/patches/804-hostapd-revert-ACS-Validate-6-GHz-AP-criteria-before.patch
new file mode 100644 (file)
index 0000000..5e6badd
--- /dev/null
+++ b/package/network/services/hostapd/patches/804-hostapd-revert-ACS-Validate-6-GHz-AP-criteria-before.patch
@@ -0,0 +1,56 @@
+From bc40770144e52d1103d1098dfe59da6108a6413b Mon Sep 17 00:00:00 2001
+From: Agustin Lorenzo <agustin.lorenzo@thinco.es>
+Date: Tue, 22 Apr 2025 22:13:58 +0200
+Subject: [PATCH] hostapd: revert "ACS: Validate 6 GHz AP criteria before ACS"
+
+By OpenWrt's design, hostapd runs in a single global instance for all radios supported by the device, rather than one instance per radio like hostapd usually does.
+
+This reverts commit 02a8d40c9ffb2987c291ea96cf7be7c012b359a3.
+---
+ src/ap/ap_config.c  | 2 +-
+ src/ap/ap_config.h  | 1 -
+ src/ap/ap_drv_ops.c | 6 ++----
+ 3 files changed, 3 insertions(+), 6 deletions(-)
+
+--- a/src/ap/ap_config.c
++++ b/src/ap/ap_config.c
+@@ -1198,7 +1198,7 @@ static bool hostapd_sae_pk_password_with
+ #endif /* CONFIG_SAE_PK */
+ 
+ 
+-bool hostapd_config_check_bss_6g(struct hostapd_bss_config *bss)
++static bool hostapd_config_check_bss_6g(struct hostapd_bss_config *bss)
+ {
+       if (bss->wpa != WPA_PROTO_RSN) {
+               wpa_printf(MSG_ERROR,
+--- a/src/ap/ap_config.h
++++ b/src/ap/ap_config.h
+@@ -1436,6 +1436,5 @@ int hostapd_add_acl_maclist(struct mac_a
+                           int vlan_id, const u8 *addr);
+ void hostapd_remove_acl_mac(struct mac_acl_entry **acl, int *num,
+                           const u8 *addr);
+-bool hostapd_config_check_bss_6g(struct hostapd_bss_config *bss);
+ 
+ #endif /* HOSTAPD_CONFIG_H */
+--- a/src/ap/ap_drv_ops.c
++++ b/src/ap/ap_drv_ops.c
+@@ -1175,9 +1175,6 @@ void hostapd_get_hw_mode_any_channels(st
+ {
+       int i;
+       bool is_no_ir = false;
+-      bool allow_6g_acs = hostapd_config_check_bss_6g(hapd->conf) &&
+-              (hapd->iface->conf->ieee80211ax ||
+-               hapd->iface->conf->ieee80211be);
+ 
+       for (i = 0; i < mode->num_channels; i++) {
+               struct hostapd_channel_data *chan = &mode->channels[i];
+@@ -1198,7 +1195,8 @@ void hostapd_get_hw_mode_any_channels(st
+               if (is_6ghz_freq(chan->freq) &&
+                   ((hapd->iface->conf->acs_exclude_6ghz_non_psc &&
+                     !is_6ghz_psc_frequency(chan->freq)) ||
+-                   !allow_6g_acs))
++                   (!hapd->iface->conf->ieee80211ax &&
++                    !hapd->iface->conf->ieee80211be)))
+                       continue;
+               if ((!(chan->flag & HOSTAPD_CHAN_DISABLED) || allow_disabled) &&
+                   !(hapd->iface->conf->acs_exclude_dfs &&