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2703db3f2e
If the WAN device is a bridge then generate a default configuration using snooping instead of proxying.
183 lines
5.1 KiB
Bash
183 lines
5.1 KiB
Bash
#!/bin/sh
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. /lib/functions.sh
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generate_igmp_global_params(){
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uci add mcast igmp
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uci rename mcast.@igmp[-1]="igmp"
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uci set mcast.@igmp[-1].max_membership="20"
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uci set mcast.@igmp[-1].max_msf="10"
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uci set mcast.@igmp[-1].qrv="2"
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uci set mcast.@igmp[-1].force_version="0"
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uci add mcast mld
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uci rename mcast.@mld[-1]="mld"
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uci set mcast.@mld[-1].mldv1_unsolicited_report_interval="10"
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uci set mcast.@mld[-1].mldv2_unsolicited_report_interval="1"
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uci set mcast.@mld[-1].qrv="2"
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uci set mcast.@mld[-1].force_version="0"
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}
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generate_mld_proxy_config(){
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local u_itf="$1"
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uci add mcast proxy
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uci rename mcast.@proxy[-1]="mc_proxy_MLD"
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uci set mcast.@proxy[-1].enable="1"
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uci set mcast.@proxy[-1].proto="mld"
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uci set mcast.@proxy[-1].version="2"
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uci set mcast.@proxy[-1].robustness="2"
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uci set mcast.@proxy[-1].query_interval="125"
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uci set mcast.@proxy[-1].query_response_interval="100"
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uci set mcast.@proxy[-1].last_member_query_interval="10"
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uci set mcast.@proxy[-1].fast_leave="1"
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uci set mcast.@proxy[-1].snooping_mode="2"
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uci add_list mcast.@proxy[-1].downstream_interface="br-lan"
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IFS=" "
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for itf in $u_itf; do
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uci add_list mcast.@proxy[-1].upstream_interface="$itf"
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done
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}
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generate_igmp_proxy_config(){
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local u_itf="$1"
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uci add mcast proxy
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uci rename mcast.@proxy[-1]="igmp_proxy_1"
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uci set mcast.@proxy[-1].enable="1"
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uci set mcast.@proxy[-1].proto="igmp"
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uci set mcast.@proxy[-1].version="2"
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uci set mcast.@proxy[-1].robustness="2"
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uci set mcast.@proxy[-1].query_interval="125"
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uci set mcast.@proxy[-1].query_response_interval="100"
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uci set mcast.@proxy[-1].last_member_query_interval="10"
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uci set mcast.@proxy[-1].fast_leave="1"
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uci set mcast.@proxy[-1].snooping_mode="2"
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uci add_list mcast.@proxy[-1].downstream_interface="br-lan"
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IFS=" "
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for itf in $u_itf; do
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uci add_list mcast.@proxy[-1].upstream_interface="$itf"
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done
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uci add_list mcast.@proxy[-1].filter="239.0.0.0/8"
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}
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generate_mld_snooping_config(){
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local u_itf="$1"
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uci add mcast snooping
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uci rename mcast.@snooping[-1]="mc_snooping_MLD"
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uci set mcast.@snooping[-1].enable="1"
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uci set mcast.@snooping[-1].proto="mld"
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uci set mcast.@snooping[-1].version="2"
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uci set mcast.@snooping[-1].robustness="2"
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uci set mcast.@snooping[-1].query_interval="125"
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uci set mcast.@snooping[-1].query_response_interval="100"
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uci set mcast.@snooping[-1].last_member_query_interval="10"
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uci set mcast.@snooping[-1].fast_leave="1"
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uci set mcast.@snooping[-1].snooping_mode="2"
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uci set mcast.@snooping[-1].interface="$u_itf"
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}
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generate_igmp_snooping_config(){
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local u_itf="$1"
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uci add mcast snooping
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uci rename mcast.@snooping[-1]="igmp_snooping_1"
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uci set mcast.@snooping[-1].enable="1"
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uci set mcast.@snooping[-1].proto="igmp"
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uci set mcast.@snooping[-1].version="2"
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uci set mcast.@snooping[-1].robustness="2"
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uci set mcast.@snooping[-1].query_interval="125"
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uci set mcast.@snooping[-1].query_response_interval="100"
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uci set mcast.@snooping[-1].last_member_query_interval="10"
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uci set mcast.@snooping[-1].fast_leave="1"
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uci set mcast.@snooping[-1].snooping_mode="2"
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uci set mcast.@snooping[-1].interface="$u_itf"
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uci add_list mcast.@snooping[-1].filter="239.0.0.0/8"
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}
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check_wan_bridge() {
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local config="$1"
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local wan_device="$2"
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local name type
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[ $((is_wan_bridge)) -ne 0 ] && return
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config_get type "$config" type
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config_get name "$config" name
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[ "$type" = "bridge" -a "$wan_device" = "$name" ] && is_wan_bridge=1
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}
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generate_mcast_config(){
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local up_itf="$(uci -q get network.wan.device)"
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local is_wan_bridge=0
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config_load network
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config_foreach check_wan_bridge device "$up_itf"
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if [ $((is_wan_bridge)) -eq 0 ]; then
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generate_igmp_proxy_config "$up_itf"
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generate_mld_proxy_config "$up_itf"
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else
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generate_igmp_snooping_config "$up_itf"
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generate_mld_snooping_config "$up_itf"
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fi
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}
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interfaces_ok(){
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local section_name=$1
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local up_interf=$(uci -q get ${section_name}.upstream_interface)
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[ -z "$up_interf" ] && return 1
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local down_interf=$(uci -q get ${section_name}.downstream_interface)
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[ -z "$down_interf" ] && return 1
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# check if upstream untagged
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IFS=" "
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for itf in $up_interf; do
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# check if there exist a interface section for this upstream interface, if yes the
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# do nothing, if no then generate config as mcast config is outdated
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local dev_section=$(uci show network | grep -E "\.device=\'$itf\'" | head -n 1 | cut -d'.' -f2)
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# mcast config is outdated, simply generate as per new logic
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if [ -z "$dev_section" ]; then
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# check if the itf is a native interface && return 1
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return 1
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else
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section_type=$(uci get network.$dev_section)
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if [ "$section_type" == "interface" ]; then
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# interface section exits, hence, sync has already happened
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# nothing to do further, just return
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return 0
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else
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# mcast config is outdated
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return 1
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fi
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fi
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done
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return 0
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}
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if [ -s "/etc/config/mcast" ]; then
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if uci -q get mcast.@proxy[0] >/dev/null; then
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interfaces_ok "mcast.@proxy[0]" && exit
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elif uci -q get mcast.@snooping[0] >/dev/null; then
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# return if there is any valid content
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exit
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fi
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fi
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rm -f /etc/config/mcast
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touch /etc/config/mcast
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generate_igmp_global_params
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generate_mcast_config
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