[openwrt/openwrt] hostapd: rename hostapd multicast_to_unicast option to multicast_to_unicast_all

[LEDE Commits]

nbd pushed a commit to openwrt/openwrt.git, branch openwrt-22.03:
https://git.openwrt.org/ab61232b0abe2158c346f9fbf17f34e64de5288a

commit ab61232b0abe2158c346f9fbf17f34e64de5288a
Author: Felix Fietkau <nbd at nbd.name>
AuthorDate: Tue Sep 6 12:12:12 2022 +0200

    hostapd: rename hostapd multicast_to_unicast option to multicast_to_unicast_all
    
    There are two feature currently altered by the multicast_to_unicast option.
    1. bridge level multicast_to_unicast via IGMP snooping
    2. hostapd/mac80211 config multicast_to_unicast setting
    
    The hostapd/mac80211 setting has the side effect of converting *all* multicast
    or broadcast traffic into per-station duplicated unicast traffic, which can
    in some cases break expectations of various protocols.
    It also has been observed to cause ARP lookup failure between stations
    connected to the same interface.
    
    The bridge level feature is much more useful, since it only covers actual
    multicast traffic managed by IGMP, and it implicitly defaults to 1 already.
    
    Renaming the hostapd/mac80211 option to multicast_to_unicast_all should avoid
    unintentionally enabling this feature
    
    Signed-off-by: Felix Fietkau <nbd at nbd.name>
    (cherry-picked from commit 09ea1db93b53d2c1e4a081f20fbbddd4bffd451d)
---
 package/network/services/hostapd/files/hostapd.sh | 10 +++++-----
 1 file changed, 5 insertions(+), 5 deletions(-)

diff --git a/package/network/services/hostapd/files/hostapd.sh b/package/network/services/hostapd/files/hostapd.sh
index 3f24fd5e44..e32ed5846d 100644
--- a/package/network/services/hostapd/files/hostapd.sh
+++ b/package/network/services/hostapd/files/hostapd.sh
@@ -361,7 +361,7 @@ hostapd_common_add_bss_config() {
 	config_add_array airtime_sta_weight
 	config_add_int airtime_bss_weight airtime_bss_limit
 
-	config_add_boolean multicast_to_unicast proxy_arp per_sta_vif
+	config_add_boolean multicast_to_unicast multicast_to_unicast_all proxy_arp per_sta_vif
 
 	config_add_array hostapd_bss_options
 	config_add_boolean default_disabled
@@ -545,7 +545,7 @@ hostapd_set_bss_options() {
 		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 \
+		multicast_to_unicast_all proxy_arp per_sta_vif \
 		eap_server eap_user_file ca_cert server_cert private_key private_key_passwd server_id \
 		vendor_elements fils
 
@@ -1096,9 +1096,9 @@ hostapd_set_bss_options() {
 		[ -n "$server_id" ] && append bss_conf "server_id=$server_id" "$N"
 	fi
 
-	set_default multicast_to_unicast 0
-	if [ "$multicast_to_unicast" -gt 0 ]; then
-		append bss_conf "multicast_to_unicast=$multicast_to_unicast" "$N"
+	set_default multicast_to_unicast_all 0
+	if [ "$multicast_to_unicast_all" -gt 0 ]; then
+		append bss_conf "multicast_to_unicast=$multicast_to_unicast_all" "$N"
 	fi
 	set_default proxy_arp 0
 	if [ "$proxy_arp" -gt 0 ]; then