iopsys-feed/map-agent/files/lib/wifi/multiap

#!/bin/sh

# functions
# wireless_teardown - tear down ifaces based on mapagent config
# setup_network     - prepare /etc/config/network if necessary
# setup_wireless    - prepare /etc/config/wireless based on mapagent config
# write_credentials - write bBSS credentials to fBSS

. /lib/functions.sh

diff=0

usage() {
	cat <<EOF
Usage: $0 [wireless_teardown|setup_network|setup_wireless|write_credentials]
Platform specific Multi-AP script to prepare network and wifi subsystem based on
mapagent configuration.
wireless_teardown - tear down ifaces in /etc/config/wireless
setup_network     - prepare /etc/config/network
setup_wireless    - prepare /etc/config/wireless
write_credentials - write bBSS credentials to fBSS
EOF
	exit 1
}

brcm_sync_credentials() {
	bands=""
	mapagent_process_fh() {
		local section=$1
		local dev=$2

		config_get device $section device

		[ "$dev" != "$device" ] && return

		config_get band $section band
		config_get ssid $section ssid
		config_get encryption $section encryption
		config_get key $section key

		section=$(uci add ieee1905 ap)
		[ "$section" == "" ] && return

		uci set ieee1905.${section}.band=$band
		uci set ieee1905.${section}.ssid=$ssid
		uci set ieee1905.${section}.encryption=$encryption
		uci set ieee1905.${section}.key=$key
	}

	mapagent_process_radio() {
		local section=$1

		config_get device $section device
		config_get band $section band
		config_get dedicated_backhaul $section dedicated_backhaul 0

		[ "$dedicated_backhaul" != "0" ] && return

		for b in $bands; do
			if [ "$b" == "$band" ]; then
				return
			fi
		done

		config_foreach mapagent_process_fh fh-iface $device
		bands="$bands $band"
	}

	ieee1905_del_ap() {
		local section=$1

		uci -q delete ieee1905.${section}
	}

	config_load ieee1905
	config_foreach ieee1905_del_ap ap

	config_load mapagent
	config_foreach mapagent_process_radio wifi-radio

	uci commit ieee1905
}


brcm_write_credentials() {
	config_load mapagent

	mapagent_apply_wireless() {
		write_wireless() {
			local section=$1
			local map_ifname=$2
			local bk_ssid=$3
			local bk_key=$4

			config_get ifname $section ifname

			#echo found device=$device map=$multi_ap ifname=$ifname mapifname=$map_ifname

			[ "$ifname" != "$map_ifname" ] && return

			#echo applying bk_ssid = $bk_ssid bk_key = $bk_key

			uci -q set wireless.${section}.multi_ap_backhaul_ssid="$bk_ssid"
			uci -q set wireless.${section}.multi_ap_backhaul_key="$bk_key"
		}
		config_load wireless

		config_foreach write_wireless wifi-iface $1 $2 $3
	}

	mapagent_find_fbss() {
		local section=$1
		local dev=$2
		local bk_ssid=$3
		local bk_key=$4

		config_get device $section device
		config_get multi_ap $section multi_ap "0"

		#echo found dev=$dev device=$device map=$multi_ap

		[ "$device" != "$dev" ] && return
		[ "$multi_ap" != "2" ] && return

		config_get ifname $section ifname

		#echo applying bk_ssid = $bk_ssid bk_key = $bk_key

		# subshell in hopes to maintain mapagent config loaded
		$(mapagent_apply_wireless $ifname $bk_ssid $bk_key)
	}

	mapagent_find_bbss() {
		local section=$1
		local dev=$2

		config_get device $section device
		config_get multi_ap $section multi_ap "0"

		#echo found dev=$dev device=$device map=$multi_ap

		[ "$device" != "$dev" ] && return
		[ "$multi_ap" != "1" ] && return

		config_get ssid $1 ssid
		config_get key $1 key

		#echo found ssid=$ssid key=$key

		config_foreach mapagent_find_fbss fh-iface $dev $ssid $key
	}

	mapagent_process_radio() {
		local section=$1

		config_get device $section device

		#echo found dev=$dev

		config_foreach mapagent_find_bbss fh-iface $device
	}


	config_foreach mapagent_process_radio wifi-radio

	uci commit wireless
}

bsta_steer() {
	local ifname=$1
	local bssid=$2

	wpa_cli -i $ifname set_n 0 bssid $bssid
	wpa_cli -i $ifname roam $bssid
}

write_bsta_config() {
	local ifname=$1

	#echo diff = $diff > /dev/console

	config_load mapagent

	mapagent_apply_wl_bsta() {
		apply_config() {
			local section=$1
			local bsta=$2
			local bssid=$3

			config_get ifname $section ifname

			[ "$bsta" == "$ifname" ] || return
			#echo setting diff = $diff > /dev/console
			uci set wireless.${section}.bssid=$bssid
			echo 1
		}
		config_load wireless

		config_foreach apply_config wifi-iface $1 $2
		uci commit wireless
	}

	mapagent_process_bk() {
		local section=$1
		local bsta=$2

		config_get ifname $section ifname
		#echo bsta = $bsta > /dev/console

		[ "$bsta" == "$ifname" ] || return
		#echo found ifname=$ifname > /dev/console

		config_get bssid $section bssid
		ret=$(mapagent_apply_wl_bsta $ifname $bssid)
		[ "$ret" == "1" ] && diff=1
	}


	config_foreach mapagent_process_bk bk-iface $ifname

	#echo result diff = $diff > /dev/console
	[ "$diff" == "1" ] && {
		ubus call uci commit '{"config":"wireless"}'
		#echo reloading wireless > /dev/console
	}

}

func=$1
shift

case "$func" in
	wireless_teardown) brcm_wireless_teardown;;
	setup_network) brcm_setup_network;;
	setup_wireless) brcm_setup_wireless;;
	write_credentials) brcm_write_credentials;;
	sync_credentials) brcm_sync_credentials;;
	bsta_steer) bsta_steer $@;;
	write_bsta_config) write_bsta_config $@;;
	--help|help) usage;;
	*) usage; exit 1;;
esac