mirror of
https://dev.iopsys.eu/feed/iopsys.git
synced 2025-12-10 07:44:50 +01:00
367 lines
9.9 KiB
Bash
Executable file
367 lines
9.9 KiB
Bash
Executable file
#!/bin/sh
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. /lib/functions.sh
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. /usr/share/libubox/jshn.sh
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include /lib/network
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CONFFILE=/var/mcpd.conf
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PROG_EXE=/usr/sbin/mcpd
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# Parameters available in snooping configuration
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igmp_s_enable=0
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igmp_s_version=2
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igmp_s_robustness=2
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igmp_s_iface=""
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igmp_s_exceptions=""
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mld_s_enable=0
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mld_s_version=2
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mld_s_robustness=2
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mld_s_iface=""
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mld_s_exceptions=""
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# Global params
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max_groups=25
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max_msf=10
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max_members=25
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mldv1_unsolicited_report_interval=10
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mldv2_unsolicited_report_interval=1
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# Parameters available in proxy configuration
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igmp_p_enable=0
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igmp_p_version=2
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igmp_query_interval=125
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igmp_q_resp_interval=100
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igmp_last_mem_q_int=10
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igmp_fast_leave=1
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igmp_p_robustness=2
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igmp_p_up_interfaces=""
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igmp_p_down_interfaces=""
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igmp_p_exceptions=""
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mld_p_enable=0
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mld_p_version=1
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mld_query_interval=125
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mld_q_resp_interval=100
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mld_last_mem_q_int=10
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mld_fast_leave=1
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mld_p_robustness=2
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mld_p_up_interfaces=""
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mld_p_down_interfaces=""
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mld_p_exceptions=""
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# Standard parameters need by BCM's multicast daemon
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l_2_l_mcast=0
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allow_brdevice=0
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proxdevs=""
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ethwan="$(db -q get hw.board.ethernetWanPort)"
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read_snooping() {
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local config="$1"
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local sec_enable
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local proto
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config_get sec_enable "$config" enable 0
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config_get proto "$config" proto
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if [ "$sec_enable" == "0" ]; then
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return
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fi
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if [ "$proto" == "igmp" ]; then
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igmp_s_enable=$sec_enable
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config_get igmp_s_version "$config" version 2
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config_get igmp_s_robustness "$config" robustness 2
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config_get igmp_s_iface "$config" interface
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config_get igmp_s_exceptions "$config" filter
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return
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fi
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if [ "$proto" == "mld" ]; then
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mld_s_enable=$sec_enable
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config_get mld_s_version "$config" version 2
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config_get mld_s_robustness "$config" robustness 2
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config_get mld_s_iface "$config" interface
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config_get mld_s_exceptions "$config" filter
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return
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fi
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}
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read_proxy() {
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local config="$1"
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local sec_enable
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local proto
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config_get sec_enable "$config" enable 0
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config_get proto "$config" proto
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if [ "$sec_enable" == "0" ]; then
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return
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fi
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if [ "$proto" == "igmp" ]; then
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igmp_p_enable=$sec_enable
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config_get igmp_p_version "$config" version 2
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config_get igmp_query_interval "$config" query_interval
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config_get igmp_q_resp_interval "$config" query_response_interval
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config_get igmp_last_mem_q_int "$config" last_member_query_interval
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config_get igmp_fast_leave "$config" fast_leave 1
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config_get igmp_p_robustness "$config" robustness 2
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config_get igmp_p_up_interfaces "$config" upstream_interface
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config_get igmp_p_down_interfaces "$config" downstream_interface
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config_get igmp_p_exceptions "$config" filter
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return
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fi
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if [ "$proto" == "mld" ]; then
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mld_p_enable=$sec_enable
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config_get mld_p_version "$config" version 2
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config_get mld_query_interval "$config" query_interval
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config_get mld_q_resp_interval "$config" query_response_interval
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config_get mld_last_mem_q_int "$config" last_member_query_interval
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config_get mld_fast_leave "$config" fast_leave 1
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config_get mld_p_robustness "$config" robustness 2
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config_get mld_p_up_interfaces "$config" upstream_interface
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config_get mld_p_down_interfaces "$config" downstream_interface
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config_get mld_p_exceptions "$config" filter
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return
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fi
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}
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config_snooping_common_params() {
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local protocol="$1"
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echo "${protocol}-default-version $2" >> $CONFFILE
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echo "${protocol}-robustness-value $3" >> $CONFFILE
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echo "${protocol}-max-groups $max_groups" >> $CONFFILE
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echo "${protocol}-max-sources $max_msf" >> $CONFFILE
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echo "${protocol}-max-members $max_members" >> $CONFFILE
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echo "${protocol}-snooping-enable $4" >> $CONFFILE
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}
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config_mcast_querier_params() {
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local protocol="$1"
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local query_interval=$2
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local q_resp_interval=$3
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local last_mem_q_int=$4
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echo "${protocol}-query-interval $query_interval" >> $CONFFILE
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echo "${protocol}-query-response-interval $q_resp_interval" >> $CONFFILE
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echo "${protocol}-last-member-query-interval $last_mem_q_int" >> $CONFFILE
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}
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config_snooping_on_bridge() {
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local protocol="$1"
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local bcm_mcast_p=1
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echo "${protocol}-snooping-interfaces $2" >> $CONFFILE
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[ "$protocol" == "mld" ] && bcm_mcast_p=2
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for snpif in $2; do
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case "$snpif" in
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br-*)
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# set snooping mode on the bridge
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bcmmcastctl mode -i $snpif -p $bcm_mcast_p -m $3
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# set L2L snooping mode on the bridge
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bcmmcastctl l2l -i $snpif -p $bcm_mcast_p -e $l_2_l_mcast # set L2L snooping mode on the bridge
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;;
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esac
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done
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}
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handle_bridged_proxy_interface() {
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local p2="$1"
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local p_enable=0
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if [ "$p2" == "igmp" ]; then
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p_enable=$igmp_p_enable
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else
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p_enable=$mld_p_enable
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fi
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if [ $p_enable -eq 1 -a $allow_brdevice -eq 1 ]
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then
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proxdevs="$proxdevs $2"
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echo "upstream-interface $2" >>$CONFFILE
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else
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json_load "$(devstatus $2)"
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itr=1
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json_select bridge-members
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while json_get_var dev $itr; do
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case "$dev" in
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*.*)
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port="$(echo "$dev" | cut -d'.' -f 1)"
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if [ $port == $ethwan ]; then
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ifconfig $dev | grep RUNNING >/dev/null && proxdevs="$proxdevs $dev" && break
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fi
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;;
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esac
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itr=$(($itr + 1))
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done
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json_select ..
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fi
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}
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config_mcast_proxy_interface() {
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local itr
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local p1="$1"
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local p_enable
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if [ "$p1" == "igmp" ]; then
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p_enable=$igmp_p_enable
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else
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p_enable=$mld_p_enable
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fi
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for proxif in $2; do
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case "$proxif" in
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br-*)
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handle_bridged_proxy_interface $p1 $proxif
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;;
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*)
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proxdevs="$proxdevs $proxif"
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;;
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esac
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done
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if [ $p_enable -eq 1 ]; then
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echo "${p1}-proxy-interfaces $proxdevs" >> $CONFFILE
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fi
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[ -n "$proxdevs" ] && echo "${p1}-mcast-interfaces $proxdevs" >> $CONFFILE
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}
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configure_mcpd_snooping() {
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local protocol="$1"
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local exceptions
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# Configure snooping related params
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if [ "$protocol" == "igmp" ]; then
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config_snooping_common_params $protocol $igmp_p_version $igmp_p_robustness $igmp_s_enable
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config_mcast_querier_params $protocol $igmp_query_interval $igmp_q_resp_interval $igmp_last_mem_q_int
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config_mcast_proxy_interface $protocol $igmp_s_iface
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config_snooping_on_bridge $protocol $igmp_s_iface $igmp_s_enable
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exceptions=$igmp_s_exceptions
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elif [ "$protocol" == "mld" ]; then
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config_snooping_common_params $protocol $mld_p_version $mld_p_robustness $mld_s_enable
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config_mcast_querier_params $protocol $mld_query_interval $mld_q_resp_interval $mld_last_mem_q_int
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config_mcast_proxy_interface $protocol $mld_s_iface
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config_snooping_on_bridge $protocol $mld_s_iface $mld_s_enable
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exceptions=$mld_s_exceptions
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fi
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echo "${protocol}-proxy-enable 0" >> $CONFFILE
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[ -n "$exceptions" ] && echo "${protocol}-mcast-snoop-exceptions $exceptions" >> $CONFFILE
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}
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configure_mcpd_proxy() {
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local s_mode=2
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local protocol="$1"
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local fast_leave=0
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local exceptions=""
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# Configure snooping related params
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if [ "$protocol" == "igmp" ]; then
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config_snooping_common_params $protocol $igmp_p_version $igmp_p_robustness $s_mode
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config_mcast_querier_params $protocol $igmp_query_interval $igmp_q_resp_interval $igmp_last_mem_q_int
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config_mcast_proxy_interface $protocol $igmp_p_up_interfaces
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config_snooping_on_bridge $protocol $igmp_p_down_interfaces $s_mode
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fast_leave=$igmp_fast_leave
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exceptions=$igmp_p_exceptions
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elif [ "$protocol" == "mld" ]; then
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config_snooping_common_params $protocol $mld_p_version $mld_p_robustness $s_mode
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config_mcast_querier_params $protocol $mld_query_interval $mld_q_resp_interval $mld_last_mem_q_int
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config_mcast_proxy_interface $protocol $mld_p_up_interfaces
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config_snooping_on_bridge $protocol $mld_p_down_interfaces $s_mode
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fast_leave=$mld_fast_leave
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exceptions=$mld_p_exceptions
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fi
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# This function will only be hit in case proxy is enabled, so hard coding
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# proxy enable should not be a problem
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echo "${protocol}-proxy-enable 1" >> $CONFFILE
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echo "${protocol}-fast-leave $fast_leave" >> $CONFFILE
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[ -n "$exceptions" ] && echo "$protocol-mcast-snoop-exceptions $exceptions" >> $CONFFILE
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}
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disable_snooping() {
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local bcm_mcast_p=$1
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for br in $(brctl show | grep 'br-' | awk '{print$1}' | tr '\n' ' '); do
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bcmmcastctl mode -i $br -p $bcm_mcast_p -m 0 # disable snooping on all bridges
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bcmmcastctl l2l -i $br -p $bcm_mcast_p -e 0 # disable L2L snooping on all bridges
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done
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}
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configure_mcpd() {
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disable_snooping 1
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disable_snooping 2
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# BCM's mcpd does not allow configuration of proxy and L2 snooping simultaneously, hence
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# here, if proxy is to be configured then the configuration params of snooping are ignored.
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if [ "$igmp_p_enable" == "1" ]; then
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configure_mcpd_proxy igmp
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elif [ "$igmp_s_enable" == "1" ]; then
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configure_mcpd_snooping igmp
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fi
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proxdevs=""
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if [ "$mld_p_enable" == "1" ]; then
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configure_mcpd_proxy mld
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elif [ "$mld_s_enable" == "1" ]; then
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configure_mcpd_snooping mld
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fi
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}
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read_mcast_snooping_params() {
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config_load mcast
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config_foreach read_snooping snooping
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}
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read_mcast_proxy_params() {
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config_load mcast
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config_foreach read_proxy proxy
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}
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config_global_params() {
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local igmp_qrv
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local igmp_force_version
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local mld_qrv
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local mld_force_version
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config_load mcast
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config_get max_msf igmp max_msf 10
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config_get max_groups igmp max_membership 25
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config_get igmp_qrv igmp qrv 2
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config_get igmp_force_version igmp force_version 0
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config_get mld_qrv mld qrv 2
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config_get mldv1_unsolicited_report_interval mld mldv1_unsolicited_report_interval 10
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config_get mldv2_unsolicited_report_interval mld mldv2_unsolicited_report_interval 1
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config_get mld_force_version mld force_version 0
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# mcpd internally writes max_groups and max_msf, no need to modify
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# here directly
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echo $igmp_qrv > /proc/sys/net/ipv4/igmp_qrv
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echo $igmp_force_version > /proc/sys/net/ipv4/conf/all/force_igmp_version
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echo $mld_qrv > /proc/sys/net/ipv6/mld_qrv
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echo $mld_force_version > /proc/sys/net/ipv6/conf/all/force_mld_version
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echo $mldv1_unsolicited_report_interval > /proc/sys/net/ipv6/conf/all/mldv1_unsolicited_report_interval
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echo $mldv2_unsolicited_report_interval > /proc/sys/net/ipv6/conf/all/mldv2_unsolicited_report_interval
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}
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configure_mcast() {
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rm -f $CONFFILE
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touch $CONFFILE
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config_global_params
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read_mcast_snooping_params
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read_mcast_proxy_params
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configure_mcpd
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}
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