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#!/bin/sh
#
# Copyright (C) 2018 TDT AG <development@tdt.de>
#
# This is free software, licensed under the GNU General Public License v2.
# See https://www.gnu.org/licenses/gpl-2.0.txt for more information.
#
. /lib/functions.sh
. ../netifd-proto.sh
init_proto "$@"
INCLUDE_ONLY=1
BONDING_MASTERS="/sys/class/net/bonding_masters"
set_driver_values() {
local varname
for varname in "$@"; do
local value
json_get_var value "$varname"
[ -n "$value" ] && echo "$value" > /sys/class/net/"$link"/bonding/"$varname"
done
}
proto_bonding_init_config() {
no_device=1
available=1
proto_config_add_string "ifname"
proto_config_add_string "ipaddr"
proto_config_add_string "netmask"
proto_config_add_string "bonding_policy"
proto_config_add_string "link_monitoring"
proto_config_add_string "slaves"
proto_config_add_string "all_slaves_active"
proto_config_add_string "min_links"
proto_config_add_string "ad_actor_sys_prio"
proto_config_add_string "ad_actor_system"
proto_config_add_string "ad_select"
proto_config_add_string "lacp_rate"
proto_config_add_string "packets_per_slave"
proto_config_add_string "xmit_hash_policy"
proto_config_add_string "primary"
proto_config_add_string "primary_reselect"
proto_config_add_string "lp_interval"
proto_config_add_string "tlb_dynamic_lb"
proto_config_add_string "resend_igmp"
proto_config_add_string "fail_over_mac"
proto_config_add_string "num_grat_arp__num_unsol_na"
proto_config_add_string "arp_interval"
proto_config_add_string "arp_ip_target"
proto_config_add_string "arp_all_targets"
proto_config_add_string "arp_validate"
proto_config_add_string "miimon"
proto_config_add_string "downdelay"
proto_config_add_string "updelay"
proto_config_add_string "use_carrier"
}
proto_bonding_setup() {
local cfg="$1"
local link="bonding-$cfg"
# Check for loaded kernel bonding driver (/sys/class/net/bonding_masters exists)
[ -f "$BONDING_MASTERS" ] || {
echo "$cfg" "setup: bonding_masters does not exist in sysfs (kernel module not loaded?)"
proto_notify_error "$cfg" BONDING_MASTER_DOES_NOT_EXIST
proto_block_restart "$cfg"
return
}
# Add bonding interface to system
echo "+$link" > "$BONDING_MASTERS"
# Set bonding policy (with corresponding parameters)
local bonding_policy
json_get_vars bonding_policy
case "$bonding_policy" in
802.3ad)
echo "$bonding_policy" > /sys/class/net/"$link"/bonding/mode
set_driver_values min_links ad_actor_sys_prio ad_actor_system ad_select lacp_rate
;;
balance-rr)
echo "$bonding_policy" > /sys/class/net/"$link"/bonding/mode
set_driver_values packets_per_slave xmit_hash_policy
;;
balance-tlb)
echo "$bonding_policy" > /sys/class/net/"$link"/bonding/mode
set_driver_values primary primary_reselect lp_interval tlb_dynamic_lb resend_igmp xmit_hash_policy
;;
balance-alb)
echo "$bonding_policy" > /sys/class/net/"$link"/bonding/mode
set_driver_values primary primary_reselect lp_interval tlb_dynamic_lb resend_igmp xmit_hash_policy
;;
balance-xor)
echo "$bonding_policy" > /sys/class/net/"$link"/bonding/mode
set_driver_values xmit_hash_policy
;;
broadcast)
echo "$bonding_policy" > /sys/class/net/"$link"/bonding/mode
;;
active-backup)
echo "$bonding_policy" > /sys/class/net/"$link"/bonding/mode
set_driver_values primary primary_reselect fail_over_mac num_grat_arp__num_unsol_na xmit_hash_policy
;;
esac
# Set link monitoring (with corresponding parameters)
local link_monitoring
json_get_vars link_monitoring
case "$link_monitoring" in
arp)
local arp_interval arp_ip_target arp_all_targets arp_validate
json_get_vars arp_interval arp_ip_target arp_all_targets arp_validate
[ -n "$arp_interval" -a "$arp_interval" != 0 ] && echo "$arp_interval" > /sys/class/net/"$link"/bonding/arp_interval
IFS=' '
for target in $arp_ip_target; do
echo "+$target" > /sys/class/net/"$link"/bonding/arp_ip_target
done
[ -n "$arp_all_targets" ] && echo "$arp_all_targets" > /sys/class/net/"$link"/bonding/arp_all_targets
[ -n "$arp_validate" ] && echo "$arp_validate" > /sys/class/net/"$link"/bonding/arp_validate
;;
mii)
local miimon downdelay updelay use_carrier
json_get_vars miimon downdelay updelay use_carrier
[ -n "$miimon" -a "$miimon" != 0 ] && echo "$miimon" > /sys/class/net/"$link"/bonding/miimon
[ -n "$downdelay" ] && echo "$downdelay" > /sys/class/net/"$link"/bonding/downdelay
[ -n "$updelay" ] && echo "$updelay" > /sys/class/net/"$link"/bonding/updelay
[ -n "$use_carrier" ] && echo "$use_carrier" > /sys/class/net/"$link"/bonding/use_carrier
;;
esac
# Add slaves to bonding interface
local slaves
json_get_vars slaves
for slave in $slaves; do
if [ "$(cat /proc/net/dev |grep "$slave")" == "" ]; then
echo "$cfg" "No slave device $slave found"
proto_notify_error "$cfg" NO_DEVICE
proto_block_restart "$cfg"
return
fi
ifconfig "$slave" down
sleep 1
echo "+$slave" > /sys/class/net/"$link"/bonding/slaves
ifconfig "$slave" up
done
[ -n "$all_slaves_active" ] && echo "$all_slaves_active" > /sys/class/net/"$link"/bonding/all_slaves_active
local ipaddr netmask
json_get_vars ipaddr netmask
# ATTENTION
#All json vars have to be read before the line below, as the
# json object will be overwritten by proto_init_update
# ATTENTION
proto_init_update "$link" 1
# For static configuration we _MUST_ have an IP address
[ -z "$ipaddr" ] && {
echo "$cfg" "No local IP address defined"
proto_notify_error "$cfg" INVALID_LOCAL_ADDRESS
proto_block_restart "$cfg"
return
}
proto_add_ipv4_address "$ipaddr" "$netmask"
proto_send_update "$cfg"
}
proto_bonding_teardown() {
local cfg="$1"
local link="bonding-$cfg"
# Check for loaded kernel bonding driver (/sys/class/net/bonding_masters exists)
[ -f "$BONDING_MASTERS" ] || {
echo "$cfg" "teardown: bonding_masters does not exist in sysfs (kernel module not loaded?)"
proto_notify_error "$cfg" BONDING_MASTER_DOES_NOT_EXIST
proto_block_restart "$cfg"
return
}
echo "-$link" > /sys/class/net/bonding_masters
logger "bonding_teardown($1): $2"
}
add_protocol bonding