mwan3: cleanup duplicate ipv4 and ipv6 logic
Signed-off-by: Aaron Goodman <aaronjg@stanford.edu>
(cherry picked from commit 30a46bdc9e)
This commit is contained in:
Aaron Goodman
Florian Eckert
parent
db46d3ab03
commit
b9e3461250
1 changed files with 135 additions and 191 deletions
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@ -415,7 +415,7 @@ mwan3_set_general_iptables()
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mwan3_create_iface_iptables()
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{
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local id family
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local id family connected_name IPT
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config_get family "$1" family ipv4
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mwan3_get_iface_id id "$1"
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@ -423,93 +423,73 @@ mwan3_create_iface_iptables()
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[ -n "$id" ] || return 0
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if [ "$family" = "ipv4" ]; then
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$IPS -! create mwan3_connected list:set
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connected_name=mwan3_connected
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IPT="$IPT4"
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$IPS -! create $connected_name list:set
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if ! $IPT4 -S mwan3_ifaces_in &> /dev/null; then
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$IPT4 -N mwan3_ifaces_in
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fi
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if ! $IPT4 -S "mwan3_iface_in_$1" &> /dev/null; then
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$IPT4 -N "mwan3_iface_in_$1"
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fi
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$IPT4 -F "mwan3_iface_in_$1"
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$IPT4 -A "mwan3_iface_in_$1" \
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-i "$2" \
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-m set --match-set mwan3_connected src \
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-m mark --mark 0x0/$MMX_MASK \
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-m comment --comment "default" \
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-j MARK --set-xmark $MMX_DEFAULT/$MMX_MASK
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$IPT4 -A "mwan3_iface_in_$1" \
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-i "$2" \
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-m mark --mark 0x0/$MMX_MASK \
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-m comment --comment "$1" \
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-j MARK --set-xmark $(mwan3_id2mask id MMX_MASK)/$MMX_MASK
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$IPT4 -D mwan3_ifaces_in \
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-m mark --mark 0x0/$MMX_MASK \
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-j "mwan3_iface_in_$1" &> /dev/null
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$IPT4 -A mwan3_ifaces_in \
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-m mark --mark 0x0/$MMX_MASK \
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-j "mwan3_iface_in_$1"
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elif [ "$family" = "ipv6" ] && [ $NO_IPV6 -eq 0 ]; then
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connected_name=mwan3_connected_v6
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IPT="$IPT6"
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$IPS -! create $connected_name hash:net family inet6
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else
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return
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fi
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if [ "$family" = "ipv6" ] && [ $NO_IPV6 = 0 ]; then
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$IPS -! create mwan3_connected_v6 hash:net family inet6
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if ! $IPT6 -S mwan3_ifaces_in &> /dev/null; then
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$IPT6 -N mwan3_ifaces_in
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fi
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if ! $IPT6 -S "mwan3_iface_in_$1" &> /dev/null; then
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$IPT6 -N "mwan3_iface_in_$1"
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fi
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$IPT6 -F "mwan3_iface_in_$1"
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$IPT6 -A "mwan3_iface_in_$1" -i "$2" \
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-m set --match-set mwan3_connected_v6 src \
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-m mark --mark 0x0/$MMX_MASK \
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-m comment --comment "default" \
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-j MARK --set-xmark $MMX_DEFAULT/$MMX_MASK
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$IPT6 -A "mwan3_iface_in_$1" -i "$2" -m mark --mark 0x0/$MMX_MASK \
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-m comment --comment "$1" \
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-j MARK --set-xmark $(mwan3_id2mask id MMX_MASK)/$MMX_MASK
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$IPT6 -D mwan3_ifaces_in \
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-m mark --mark 0x0/$MMX_MASK \
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-j "mwan3_iface_in_$1" &> /dev/null
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$IPT6 -A mwan3_ifaces_in \
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-m mark --mark 0x0/$MMX_MASK \
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-j "mwan3_iface_in_$1"
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if ! $IPT -S mwan3_ifaces_in &> /dev/null; then
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$IPT -N mwan3_ifaces_in
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fi
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if ! $IPT -S "mwan3_iface_in_$1" &> /dev/null; then
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$IPT -N "mwan3_iface_in_$1"
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fi
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$IPT -F "mwan3_iface_in_$1"
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$IPT -A "mwan3_iface_in_$1" \
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-i "$2" \
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-m set --match-set $connected_name src \
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-m mark --mark 0x0/$MMX_MASK \
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-m comment --comment "default" \
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-j MARK --set-xmark $MMX_DEFAULT/$MMX_MASK
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$IPT -A "mwan3_iface_in_$1" \
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-i "$2" \
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-m mark --mark 0x0/$MMX_MASK \
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-m comment --comment "$1" \
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-j MARK --set-xmark $(mwan3_id2mask id MMX_MASK)/$MMX_MASK
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$IPT -D mwan3_ifaces_in \
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-m mark --mark 0x0/$MMX_MASK \
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-j "mwan3_iface_in_$1" &> /dev/null
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$IPT -A mwan3_ifaces_in \
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-m mark --mark 0x0/$MMX_MASK \
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-j "mwan3_iface_in_$1"
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}
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mwan3_delete_iface_iptables()
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{
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local IPT
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config_get family "$1" family ipv4
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if [ "$family" = "ipv4" ]; then
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$IPT4 -D mwan3_ifaces_in \
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-m mark --mark 0x0/$MMX_MASK \
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-j "mwan3_iface_in_$1" &> /dev/null
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$IPT4 -F "mwan3_iface_in_$1" &> /dev/null
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$IPT4 -X "mwan3_iface_in_$1" &> /dev/null
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IPT="$IPT4"
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fi
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if [ "$family" = "ipv6" ] && [ $NO_IPV6 = 0 ]; then
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$IPT6 -D mwan3_ifaces_in \
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-m mark --mark 0x0/$MMX_MASK \
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-j "mwan3_iface_in_$1" &> /dev/null
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$IPT6 -F "mwan3_iface_in_$1" &> /dev/null
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$IPT6 -X "mwan3_iface_in_$1" &> /dev/null
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if [ "$family" = "ipv6" ]; then
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[ $NO_IPV6 -ne 0 ] && return
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IPT="$IPT6"
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fi
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$IPT -D mwan3_ifaces_in \
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-m mark --mark 0x0/$MMX_MASK \
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-j "mwan3_iface_in_$1" &> /dev/null
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$IPT -F "mwan3_iface_in_$1" &> /dev/null
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$IPT -X "mwan3_iface_in_$1" &> /dev/null
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}
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mwan3_create_iface_route()
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{
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local id via metric
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local id via metric V V_ IP
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config_get family "$1" family ipv4
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mwan3_get_iface_id id "$1"
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@ -517,38 +497,32 @@ mwan3_create_iface_route()
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[ -n "$id" ] || return 0
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if [ "$family" = "ipv4" ]; then
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if ubus call "network.interface.${1}_4" status &>/dev/null; then
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network_get_gateway via "${1}_4"
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else
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network_get_gateway via "$1"
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fi
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network_get_metric metric "$1"
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$IP4 route flush table "$id"
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$IP4 route add table "$id" default \
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${via:+via} $via \
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${metric:+metric} $metric \
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dev "$2"
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mwan3_rtmon_ipv4
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V=4
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V_=""
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IP="$IP4"
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elif [ "$family" = "ipv6" ]; then
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V=6
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V_=6
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IP="$IP6"
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else
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return
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fi
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if [ "$family" = "ipv6" ] && [ $NO_IPV6 = 0 ]; then
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if ubus call "network.interface.${1}_6" status &>/dev/null; then
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network_get_gateway6 via "${1}_6"
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else
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network_get_gateway6 via "$1"
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fi
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network_get_metric metric "$1"
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$IP6 route flush table "$id"
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$IP6 route add table "$id" default \
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${via:+via} $via \
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${metric:+metric} $metric \
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dev "$2"
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mwan3_rtmon_ipv6
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if ubus call network.interface.${1}_${V} status &>/dev/null; then
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network_get_gateway${V_} via "${1}_${V}"
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else
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network_get_gateway${V_} via "$1"
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fi
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network_get_metric metric "$1"
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$IP route flush table "$id"
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$IP route add table "$id" default \
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${via:+via} $via \
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${metric:+metric} $metric \
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dev "$2"
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mwan3_rtmon_ipv${V}
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}
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mwan3_delete_iface_route()
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@ -698,8 +672,9 @@ mwan3_track_signal()
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mwan3_set_policy()
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{
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local iface_count id iface family metric probability weight device
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local iface_count id iface family metric probability weight device is_lowest is_offline IPT total_weight
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is_lowest=0
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config_get iface "$1" interface
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config_get metric "$1" metric 1
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config_get weight "$1" weight 1
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@ -710,105 +685,74 @@ mwan3_set_policy()
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mwan3_get_iface_id id "$iface"
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[ "$(mwan3_get_iface_hotplug_state "$iface")" = "online" ]
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is_offline=$?
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[ -n "$id" ] || return 0
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config_get family "$iface" family ipv4
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if [ "$family" = "ipv4" ]; then
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if [ "$(mwan3_get_iface_hotplug_state "$iface")" = "online" ]; then
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if [ "$metric" -lt "$lowest_metric_v4" ]; then
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total_weight_v4=$weight
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$IPT4 -F "mwan3_policy_$policy"
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$IPT4 -A "mwan3_policy_$policy" \
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-m mark --mark 0x0/$MMX_MASK \
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-m comment --comment "$iface $weight $weight" \
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-j MARK --set-xmark $(mwan3_id2mask id MMX_MASK)/$MMX_MASK
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lowest_metric_v4=$metric
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elif [ "$metric" -eq "$lowest_metric_v4" ]; then
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total_weight_v4=$(($total_weight_v4+$weight))
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probability=$(($weight*1000/$total_weight_v4))
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if [ "$probability" -lt 10 ]; then
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probability="0.00$probability"
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elif [ $probability -lt 100 ]; then
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probability="0.0$probability"
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elif [ $probability -lt 1000 ]; then
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probability="0.$probability"
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else
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probability="1"
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fi
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probability="-m statistic --mode random --probability $probability"
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$IPT4 -I "mwan3_policy_$policy" \
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-m mark --mark 0x0/$MMX_MASK "$probability" \
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-m comment --comment "$iface $weight $total_weight_v4" \
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-j MARK --set-xmark $(mwan3_id2mask id MMX_MASK)/$MMX_MASK
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fi
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else
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[ -n "$device" ] && {
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$IPT4 -S "mwan3_policy_$policy" | grep -q '.*--comment ".* [0-9]* [0-9]*"' || \
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$IPT4 -I "mwan3_policy_$policy" \
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-o "$device" \
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-m mark --mark 0x0/$MMX_MASK \
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-m comment --comment "out $iface $device" \
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-j MARK --set-xmark $MMX_DEFAULT/$MMX_MASK
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}
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fi
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IPT="$IPT4"
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elif [ "$family" = "ipv6" ]; then
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IPT="$IPT6"
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fi
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if [ "$family" = "ipv6" ] && [ $NO_IPV6 -eq 0 ]; then
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if [ "$(mwan3_get_iface_hotplug_state "$iface")" = "online" ]; then
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if [ "$metric" -lt "$lowest_metric_v6" ]; then
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total_weight_v6=$weight
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$IPT6 -F "mwan3_policy_$policy"
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$IPT6 -A "mwan3_policy_$policy" \
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-m mark --mark 0x0/$MMX_MASK \
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-m comment --comment "$iface $weight $weight" \
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-j MARK --set-xmark $(mwan3_id2mask id MMX_MASK)/$MMX_MASK
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lowest_metric_v6=$metric
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elif [ "$metric" -eq "$lowest_metric_v6" ]; then
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total_weight_v6=$(($total_weight_v6+$weight))
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probability=$(($weight*1000/$total_weight_v6))
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if [ "$probability" -lt 10 ]; then
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probability="0.00$probability"
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elif [ $probability -lt 100 ]; then
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probability="0.0$probability"
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elif [ $probability -lt 1000 ]; then
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probability="0.$probability"
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else
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probability="1"
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fi
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probability="-m statistic --mode random --probability $probability"
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$IPT6 -I "mwan3_policy_$policy" \
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-m mark --mark 0x0/$MMX_MASK \
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"$probability" \
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-m comment --comment "$iface $weight $total_weight_v6" \
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-j MARK --set-xmark $(mwan3_id2mask id MMX_MASK)/$MMX_MASK
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fi
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if [ "$family" = "ipv4" ] && [ $is_offline -eq 0 ]; then
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if [ "$metric" -lt "$lowest_metric_v4" ]; then
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is_lowest=1
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total_weight_v4=$weight
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lowest_metric_v4=$metric
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elif [ "$metric" -eq "$lowest_metric_v4" ]; then
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total_weight_v4=$(($total_weight_v4+$weight))
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total_weight=$total_weight_v4
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else
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[ -n "$device" ] && {
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$IPT6 -S "mwan3_policy_$policy" | grep -q '.*--comment ".* [0-9]* [0-9]*"' || \
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$IPT6 -I "mwan3_policy_$policy" \
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-o "$device" \
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-m mark --mark 0x0/$MMX_MASK \
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-m comment --comment "out $iface $device" \
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-j MARK --set-xmark $MMX_DEFAULT/$MMX_MASK
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}
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return
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fi
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elif [ "$family" = "ipv6" ] && [ $NO_IPV6 -eq 0 ] && [ $is_offline -eq 0 ]; then
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if [ "$metric" -lt "$lowest_metric_v6" ]; then
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is_lowest=1
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total_weight_v6=$weight
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lowest_metric_v6=$metric
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elif [ "$metric" -eq "$lowest_metric_v6" ]; then
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total_weight_v6=$(($total_weight_v6+$weight))
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total_weight=$total_weight_v6
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else
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return
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fi
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fi
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if [ $is_lowest -eq 1 ]; then
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$IPT -F "mwan3_policy_$policy"
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$IPT -A "mwan3_policy_$policy" \
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-m mark --mark 0x0/$MMX_MASK \
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-m comment --comment "$iface $weight $weight" \
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-j MARK --set-xmark $(mwan3_id2mask id MMX_MASK)/$MMX_MASK
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elif [ $is_offline -eq 0 ]; then
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probability=$(($weight*1000/$total_weight))
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if [ "$probability" -lt 10 ]; then
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probability="0.00$probability"
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elif [ $probability -lt 100 ]; then
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probability="0.0$probability"
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elif [ $probability -lt 1000 ]; then
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probability="0.$probability"
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else
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probability="1"
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fi
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$IPT -I "mwan3_policy_$policy" \
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-m mark --mark 0x0/$MMX_MASK \
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-m statistic \
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--mode random \
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--probability "$probability" \
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-m comment --comment "$iface $weight $total_weight" \
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-j MARK --set-xmark $(mwan3_id2mask id MMX_MASK)/$MMX_MASK
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elif [ -n "$device" ]; then
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$IPT -S "mwan3_policy_$policy" | grep -q '.*--comment ".* [0-9]* [0-9]*"' || \
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$IPT -I "mwan3_policy_$policy" \
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-o "$device" \
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-m mark --mark 0x0/$MMX_MASK \
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-m comment --comment "out $iface $device" \
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-j MARK --set-xmark $MMX_DEFAULT/$MMX_MASK
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fi
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}
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@ -826,7 +770,7 @@ mwan3_create_policies_iptables()
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for IPT in "$IPT4" "$IPT6"; do
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[ "$IPT" = "$IPT6" ] && [ $NO_IPV6 -ne 0 ] && continue
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if ! $IPT -S mwan3_policy_$1 &> /dev/null; then
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if ! $IPT -S "mwan3_policy_$1" &> /dev/null; then
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$IPT -N "mwan3_policy_$1"
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fi
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