Do not set driver MAC ACL unless driver supports this

This cleans up debug log by not including comments about failed
operations in case the operation is known to fail due to not being
supported by the driver.

Signed-hostap: Jouni Malinen <jouni@qca.qualcomm.com>

hostapd/main.c

@@ -279,6 +279,7 @@ static int hostapd_driver_init(struct hostapd_iface *iface)
 		iface->extended_capa = capa.extended_capa;
 		iface->extended_capa_mask = capa.extended_capa_mask;
 		iface->extended_capa_len = capa.extended_capa_len;
+		iface->drv_max_acl_mac_addrs = capa.max_acl_mac_addrs;
 	}
 
 	return 0;

src/ap/hostapd.c

@@ -870,6 +870,8 @@ static void hostapd_set_acl(struct hostapd_data *hapd)
 	int err;
 	u8 accept_acl;
 
+	if (hapd->iface->drv_max_acl_mac_addrs == 0)
+		return;
 	if (!(conf->bss->num_accept_mac || conf->bss->num_deny_mac))
 		return;
 

src/ap/hostapd.h

@@ -233,6 +233,8 @@ struct hostapd_iface {
 	const u8 *extended_capa, *extended_capa_mask;
 	unsigned int extended_capa_len;
 
+	unsigned int drv_max_acl_mac_addrs;
+
 	struct hostapd_hw_modes *hw_features;
 	int num_hw_features;
 	struct hostapd_hw_modes *current_mode;