[openwrt/openwrt] hostapd: add support for setting sae_pwe

[LEDE Commits]

aparcar pushed a commit to openwrt/openwrt.git, branch master:
https://git.openwrt.org/b9b4aef4f2403766a1a3321b0ef095c2728a3139

commit b9b4aef4f2403766a1a3321b0ef095c2728a3139
Author: Michael Yartys <michael.yartys at protonmail.com>
AuthorDate: Wed Jun 2 19:48:43 2021 +0200

    hostapd: add support for setting sae_pwe
    
    Make it possible to specify the SAE mechanism for PWE derivation. The
    following values are possible:
    
    0 = hunting-and-pecking loop only
    1 = hash-to-element only
    2 = both hunting-and-pecking loop and hash-to-element enabled
    
    hostapd currently defaults to hunting-and-pecking loop only.
    
    Signed-off-by: Michael Yartys <michael.yartys at protonmail.com>
---
 package/network/services/hostapd/files/hostapd.sh | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/package/network/services/hostapd/files/hostapd.sh b/package/network/services/hostapd/files/hostapd.sh
index cf85019d56..8a6c904c58 100644
--- a/package/network/services/hostapd/files/hostapd.sh
+++ b/package/network/services/hostapd/files/hostapd.sh
@@ -319,6 +319,7 @@ hostapd_common_add_bss_config() {
 	config_add_array supported_rates
 
 	config_add_boolean sae_require_mfp
+	config_add_int sae_pwe
 
 	config_add_string 'owe_transition_bssid:macaddr' 'owe_transition_ssid:string'
 
@@ -520,7 +521,7 @@ hostapd_set_bss_options() {
 		macfilter ssid utf8_ssid wmm uapsd hidden short_preamble rsn_preauth \
 		iapp_interface eapol_version dynamic_vlan ieee80211w nasid \
 		acct_server acct_secret acct_port acct_interval \
-		bss_load_update_period chan_util_avg_period sae_require_mfp \
+		bss_load_update_period chan_util_avg_period sae_require_mfp sae_pwe \
 		multi_ap multi_ap_backhaul_ssid multi_ap_backhaul_key skip_inactivity_poll \
 		airtime_bss_weight airtime_bss_limit airtime_sta_weight \
 		multicast_to_unicast proxy_arp per_sta_vif \
@@ -604,6 +605,7 @@ hostapd_set_bss_options() {
 		;;
 	esac
 	[ -n "$sae_require_mfp" ] && append bss_conf "sae_require_mfp=$sae_require_mfp" "$N"
+	[ -n "$sae_pwe" ] && append bss_conf "sae_pwe=$sae_pwe" "$N"
 
 	local vlan_possible=""