lantiq: cleanup the dsl control scripts

Signed-off-by: John Crispin <blogic@openwrt.org>

SVN-Revision: 40381

1 files changed, 244 insertions, 0 deletions

diff --git a/target/linux/lantiq/base-files/lib/functions/lantiq_dsl.sh b/target/linux/lantiq/base-files/lib/functions/lantiq_dsl.sh
new file mode 100644
index 0000000000..e817fdd6b4
--- /dev/null
+++ b/target/linux/lantiq/base-files/lib/functions/lantiq_dsl.sh
@@ -0,0 +1,244 @@
+#!/bin/sh /etc/rc.common
+# Copyright (C) 2012 OpenWrt.org
+
+XDSL_CTRL=dsl_cpe_control
+
+#
+# Basic functions to send CLI commands to the vdsl_cpe_control daemon
+#
+dsl_cmd() {
+	killall -0 ${XDSL_CTRL} && (
+		echo "$@" > /tmp/pipe/dsl_cpe0_cmd
+		cat /tmp/pipe/dsl_cpe0_ack
+	)
+}
+dsl_val() {
+	echo $(expr "$1" : '.*'$2'=\([-\.[:alnum:]]*\).*')
+}
+
+#
+# Simple divide by 10 routine to cope with one decimal place
+#
+dbt() {
+	local a=$(expr $1 / 10)
+	local b=$(expr $1 % 10)
+	echo "${a}.${b}"
+}
+#
+# Take a number and convert to k or meg
+#
+scale() {
+	local val=$1
+	local a
+	local b
+
+	if [ "$val" -gt 1000000 ]; then
+		a=$(expr $val / 1000)
+		b=$(expr $a % 1000)
+		a=$(expr $a / 1000)
+		printf "%d.%03d Mb" ${a} ${b}
+	elif [ "$val" -gt 1000 ]; then
+		a=$(expr $val / 1000)
+		printf "%d Kb" ${a}
+	else
+		echo "${val} b"
+	fi
+}
+
+#
+# Read the data rates for both directions
+#
+data_rates() {
+	local csg
+	local dru
+	local drd
+	local sdru
+	local sdrd
+
+	csg=$(dsl_cmd g997csg 0 1)
+	drd=$(dsl_val "$csg" ActualDataRate)
+
+	csg=$(dsl_cmd g997csg 0 0)
+	dru=$(dsl_val "$csg" ActualDataRate)
+
+	[ -z "$drd" ] && drd=0
+	[ -z "$dru" ] && dru=0
+
+	sdrd=$(scale $drd)
+	sdru=$(scale $dru)
+
+	if [ "$action" = "lucistat" ]; then
+		echo "dsl.data_rate_down=$drd"
+		echo "dsl.data_rate_up=$dru"
+		echo "dsl.data_rate_down_s=\"$sdrd\""
+		echo "dsl.data_rate_up_s=\"$sdru\""
+	else
+		echo "Data Rate:		${sdrd}/s / ${sdru}/s"
+	fi
+}
+
+#
+# Chipset
+#
+chipset() {
+	local vig
+	local cs
+	local csv
+
+	vig=$(dsl_cmd vig)
+	cs=$(dsl_val "$vig" DSL_ChipSetType)
+	csv=$(dsl_val "$vig" DSL_ChipSetHWVersion)
+
+	if [ "$action" = "lucistat" ]; then
+		echo "dsl.chipset=\"${cs} ${csv}\""
+	else
+		echo "Chipset:		${cs} ${csv}"
+	fi
+}
+
+#
+# Work out how long the line has been up
+#
+line_uptime() {
+	local ccsg
+	local et
+	local etr
+	local d
+	local h
+	local m
+	local s
+	local rc=""
+
+	ccsg=$(dsl_cmd pmccsg 0 0 0)
+	et=$(dsl_val "$ccsg" nElapsedTime)
+
+	[ -z "$et" ] && et=0
+
+	if [ "$action" = "lucistat" ]; then
+		echo "dsl.line_uptime=${et}"
+		return
+	fi
+
+	d=$(expr $et / 86400)
+	etr=$(expr $et % 86400)
+	h=$(expr $etr / 3600)
+	etr=$(expr $etr % 3600)
+	m=$(expr $etr / 60)
+	s=$(expr $etr % 60)
+
+
+	[ "${d}${h}${m}${s}" -ne 0 ] && rc="${s}s"
+	[ "${d}${h}${m}" -ne 0 ] && rc="${m}m ${rc}"
+	[ "${d}${h}" -ne 0 ] && rc="${h}h ${rc}"
+	[ "${d}" -ne 0 ] && rc="${d}d ${rc}"
+
+	[ -z "$rc" ] && rc="down"
+	echo "Line Uptime:		${rc}"
+}
+
+#
+# Get noise and attenuation figures
+#
+line_data() {
+	local lsg
+	local latnu
+	local latnd
+	local snru
+	local snrd
+
+	lsg=$(dsl_cmd g997lsg 1 1)
+	latnd=$(dsl_val "$lsg" LATN)
+	snrd=$(dsl_val "$lsg" SNR)
+
+	lsg=$(dsl_cmd g997lsg 0 1)
+	latnu=$(dsl_val "$lsg" LATN)
+	snru=$(dsl_val "$lsg" SNR)
+
+	[ -z "$latnd" ] && latnd=0
+	[ -z "$latnu" ] && latnu=0
+	[ -z "$snrd" ] && snrd=0
+	[ -z "$snru" ] && snru=0
+
+	latnd=$(dbt $latnd)
+	latnu=$(dbt $latnu)
+	snrd=$(dbt $snrd)
+	snru=$(dbt $snru)
+	
+	if [ "$action" = "lucistat" ]; then
+		echo "dsl.line_attenuation_down=$latnd"
+		echo "dsl.line_attenuation_up=$latnu"
+		echo "dsl.noise_margin_down=$snrd"
+		echo "dsl.noise_margin_up=$snru"
+	else
+		echo "Line Attenuation:	${latnd}dB / ${latnu}dB"
+		echo "Noise Margin:		${snrd}dB / ${snru}dB"
+	fi
+}
+
+#
+# Is the line up? Or what state is it in?
+#
+line_state() {
+	local lsg=$(dsl_cmd lsg)
+	local ls=$(dsl_val "$lsg" nLineState);
+	local s;
+
+	case "$ls" in
+		"0x0")		s="not initialized" ;;
+		"0x1")		s="exception" ;;
+		"0x10")		s="not updated" ;;
+		"0xff")		s="idle request" ;;
+		"0x100")	s="idle" ;;
+		"0x1ff")	s="silent request" ;;
+		"0x200")	s="silent" ;;
+		"0x300")	s="handshake" ;;
+		"0x380")	s="full_init" ;;
+		"0x400")	s="discovery" ;;
+		"0x500")	s="training" ;;
+		"0x600")	s="analysis" ;;
+		"0x700")	s="exchange" ;;
+		"0x800")	s="showtime_no_sync" ;;
+		"0x801")	s="showtime_tc_sync" ;;
+		"0x900")	s="fastretrain" ;;
+		"0xa00")	s="lowpower_l2" ;;
+		"0xb00")	s="loopdiagnostic active" ;;
+		"0xb10")	s="loopdiagnostic data exchange" ;;
+		"0xb20")	s="loopdiagnostic data request" ;;
+		"0xc00")	s="loopdiagnostic complete" ;;
+		"0x1000000")	s="test" ;;
+		"0xd00")	s="resync" ;;
+		"0x3c0")	s="short init entry" ;;
+		"")		s="not running daemon"; ls="0xfff" ;;
+		*)		s="unknown" ;;
+	esac
+
+	if [ $action = "lucistat" ]; then
+		echo "dsl.line_state_num=$ls"
+		echo "dsl.line_state_detail=\"$s\""
+		if [ "$ls" = "0x801" ]; then
+			echo "dsl.line_state=\"UP\""
+		else
+			echo "dsl.line_state=\"DOWN\""
+		fi
+	else
+		if [ "$ls" = "0x801" ]; then
+			echo "Line State:		UP [$ls: $s]"
+		else
+			echo "Line State:		DOWN [$ls: $s]"
+		fi
+	fi
+}
+
+status() {
+	chipset
+	line_state
+	data_rates
+	line_data
+	line_uptime
+}
+
+lucistat() {
+	echo "local dsl={}"
+	status
+	echo "return dsl"
+}