openwrtv4/package/network/config/ltq-vdsl-app/files/dsl_control
Andrea Merello 860e053b29 Lantiq: make possible to tweak DSL SRN from UCI
This patch makes possible to tweak the downstream SNR margin on
Lantiq DSL devices.

The UCI parameter 'network.dsl.ds_snr_offset' is used to set the SNR
margin offset. It accepts values in range -50 to +50 in 0.1 dB units.

The SNR margin can thus be modified in range -5.0 to +5.0 dB in 0.1 dB
steps.

Currently this should only affect ADSL (not VDSL). It should be very
easy to make this work also on VDSL lines, but since I couldn't test
on VDSL lines this patch does not do that yet.

I have also a patch for LUCI about this, that I could submit.

Tested on FB3370 (Lantiq VR9) and Telecom Italia ADSL2+ line.

Signed-off-by: Andrea Merello <andrea.merello@gmail.com>
2017-06-03 17:48:57 +02:00

307 lines
6.9 KiB
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#!/bin/sh /etc/rc.common
# Copyright (C) 2012 OpenWrt.org
# needs to start before the atm layer which starts at 50
START=48
USE_PROCD=1
EXTRA_COMMANDS="status lucistat"
EXTRA_HELP=" status Get DSL status information
lucistat Get status information if lua friendly format"
[ -f /lib/functions/lantiq_dsl.sh ] && . /lib/functions/lantiq_dsl.sh
#
# ITU-T G.997.1 (06/2012) - Section 7.3.1.1.1 (xTU transmission system enabling (XTSE))
# ITU-T G.997.1 Amendment 2 (04/2013) - Section 2.1 - (Vectoring mode enable (VECTORMODE_ENABLE))
#
# G.992.1 Annex A
# G.992.2 Annex A
# G.992.3 Annex A / L-US1 / L_US-2 / M
# G.992.5 Annex A / M
# G.993.2 Annex A/B/C
# G.993.5 Annex A/B/C
xtse_xdsl_a="05_01_04_00_4C_01_04_07"
# G.992.1 Annex B
# G.992.3 Annex B
# G.992.5 Annex B
# G.993.2 Annex A/B/C
# G.993.5 Annex A/B/C
xtse_xdsl_b="10_00_10_00_00_04_00_07"
# G.992.1 Annex B
# G.992.3 Annex B
# G.992.3 Annex J
# G.992.5 Annex B
# G.992.5 Annex J
# G.993.2 Annex A/B/C
# G.993.5 Annex A/B/C
xtse_xdsl_j="10_00_10_40_00_04_01_07"
# G.992.1 Annex B
xtse_xdsl_bdmt="10_00_00_00_00_00_00_00"
# G.992.3 Annex B
xtse_xdsl_b2="00_00_10_00_00_00_00_00"
# G.992.5 Annex B
xtse_xdsl_b2p="00_00_00_00_00_04_00_00"
# ANSI T1.413
xtse_xdsl_at1="01_00_00_00_00_00_00_00"
# G.992.2 Annex A
xtse_xdsl_alite="00_01_00_00_00_00_00_00"
# G.992.1 Annex A
xtse_xdsl_admt="04_00_00_00_00_00_00_00"
# G.992.3 Annex A
xtse_xdsl_a2="00_00_04_00_00_00_00_00"
# G.992.5 Annex A
xtse_xdsl_a2p="00_00_00_00_00_01_00_00"
# G.992.3 Annex L
xtse_xdsl_l="00_00_00_00_0C_00_00_00"
# G.992.3 Annex M
# G.992.5 Annex M
xtse_xdsl_m="00_00_00_00_40_00_04_00"
# G.992.3 Annex M
xtse_xdsl_m2="00_00_00_00_40_00_00_00"
# G.992.5 Annex M
xtse_xdsl_m2p="00_00_00_00_00_00_04_00"
#
# ITU-T G.994.1 (06/2012) - Table 2 (Mandatory carrier sets)
#
# A43
tone_adsl_a="0x142" # A43C + J43 + A43
tone_vdsl_a="0x142" # A43C + J43 + A43
# A43 + V43
tone_adsl_av="0x142" # A43C + J43 + A43
tone_vdsl_av="0x146" # A43C + J43 + A43 + V43
# B43
tone_adsl_b="0x81" # B43 + B43c
tone_vdsl_b="0x1" # B43
# B43 + V43
tone_adsl_bv="0x81" # B43 + B43c
tone_vdsl_bv="0x5" # B43 + V43
# create ADSL autoboot script. Used for SNR margin tweak
autoboot_script() {
echo "[WaitForConfiguration]={
locs 0 $1
}
[WaitForLinkActivate]={
}
[WaitForRestart]={
}
[Common]={
}" > /tmp/adsl.scr
}
lowlevel_cfg() {
echo "# VRX Low Level Configuration File
#
# Parameters must be separated by tabs or spaces.
# Empty lines and comments will be ignored.
#
# nFilter
#
# NA = -1
# OFF = 0
# ISDN = 1
# POTS = 2
# POTS_2 = 3
# POTS_3 = 4
#
# (dec)
-1
# nHsToneGroupMode nHsToneGroup_A nHsToneGroup_V nHsToneGroup_AV
#
# NA = -1 NA = -1 see see
# AUTO = 0 VDSL2_B43 = 0x0001 nHsToneGroup_A nHsToneGroup_A
# MANUAL = 1 VDSL2_A43 = 0x0002
# VDSL2_V43 = 0x0004
# VDSL1_V43P = 0x0008
# VDSL1_V43I = 0x0010
# ADSL1_C43 = 0x0020
# ADSL2_J43 = 0x0040
# ADSL2_B43C = 0x0080
# ADSL2_A43C = 0x0100
#
# (dec) (hex) (hex) (hex)
1 $1 $2 0x0
# nBaseAddr nIrqNum
#
# (hex) (dec)
0x1e116000 63
# nUtopiaPhyAdr nUtopiaBusWidth nPosPhyParity
# default(16b) = 0 NA = -1
# 8-bit = 1 ODD = 0
# 16-bit = 2
#
#
# (hex) (dec) (dec)
0xFF 0 0
# bNtrEnable
#
# (dec)
0" > /tmp/lowlevel.cfg
}
service_triggers() {
procd_add_reload_trigger network
}
start_service() {
local annex
local firmware
local tone
local tone_adsl
local tone_vdsl
local xtse
local xfer_mode
local line_mode
local mode
local lowlevel
local snr
config_load network
config_get tone dsl tone
config_get annex dsl annex
config_get firmware dsl firmware
config_get xfer_mode dsl xfer_mode
config_get line_mode dsl line_mode
config_get snr dsl ds_snr_offset
eval "xtse=\"\${xtse_xdsl_$annex}\""
[ -z "${xfer_mode}" ] && xfer_mode=ptm
case "${xfer_mode}" in
atm)
LOAD=ltq_atm_vr9
UNLOAD=ltq_ptm_vr9
# in most cases atm is used on top of adsl
[ -z "${line_mode}" ] && line_mode=adsl
;;
*)
LOAD=ltq_ptm_vr9
UNLOAD=ltq_atm_vr9
# in most cases ptm is used on top of vdsl
[ -z "${line_mode}" ] && line_mode=vdsl
;;
esac
case "${line_mode}" in
adsl)
mode=1
# mask out VDSL bits when ATM is requested
xtse="${xtse%_*}_00"
;;
*)
mode=2
;;
esac
if [ -z "${firmware}" ]; then
# search for the firmware provided by dsl-vrx200-firmware-xdsl-*
if grep -qE "system type.*: (VR9|xRX200)" /proc/cpuinfo; then
case "${annex}" in
a*|l*|m*)
if [ -f "/lib/firmware/lantiq-vrx200-a.bin" ]; then
firmware="/lib/firmware/lantiq-vrx200-a.bin"
elif [ -f "/tmp/lantiq-vrx200-a.bin" ]; then
firmware="/tmp/lantiq-vrx200-a.bin"
elif [ -f "/lib/firmware/lantiq-vrx200-b.bin" ] && [ -f "/lib/firmware/lantiq-vrx200-b-to-a.bspatch" ]; then
bspatch /lib/firmware/lantiq-vrx200-b.bin \
/tmp/lantiq-vrx200-a.bin \
/lib/firmware/lantiq-vrx200-b-to-a.bspatch
firmware="/tmp/lantiq-vrx200-a.bin"
else
echo "firmware for annex a not found"
return 1
fi
;;
b*|j*)
if [ -f "/lib/firmware/lantiq-vrx200-b.bin" ]; then
firmware="/lib/firmware/lantiq-vrx200-b.bin"
elif [ -f "/tmp/lantiq-vrx200-b.bin" ]; then
firmware="/tmp/lantiq-vrx200-b.bin"
elif [ -f "/lib/firmware/lantiq-vrx200-a.bin" ] && [ -f "/lib/firmware/lantiq-vrx200-a-to-b.bspatch" ]; then
bspatch /lib/firmware/lantiq-vrx200-a.bin \
/tmp/lantiq-vrx200-b.bin \
/lib/firmware/lantiq-vrx200-a-to-b.bspatch
firmware="/tmp/lantiq-vrx200-b.bin"
else
echo "firmware for annex b not found"
return 1
fi
;;
*)
echo "annex type not supported use a or b"
return 1
;;
esac
fi
fi
[ -z "${firmware}" ] && firmware=/lib/firmware/vdsl.bin
[ -f "${firmware}" ] || {
echo failed to find $firmware
return 1
}
eval "tone_adsl=\"\${tone_adsl_$tone}\""
eval "tone_vdsl=\"\${tone_vdsl_$tone}\""
[ -n "${tone_adsl}" ] && [ -n "${tone_vdsl}" ] && {
lowlevel_cfg "${tone_adsl}" "${tone_vdsl}"
lowlevel="-l /tmp/lowlevel.cfg"
}
[ -z "${snr}" ] || {
# for SNR offset setting
autoboot_script "$snr"
autoboot="-a /tmp/adsl.scr"
}
procd_open_instance
procd_set_param command /sbin/vdsl_cpe_control_wrapper \
-i$xtse \
-n /sbin/dsl_notify.sh \
-f ${firmware} \
$lowlevel \
-M ${mode} \
$autoboot
procd_append_param env "LOAD=$LOAD" "UNLOAD=$UNLOAD"
procd_close_instance
}
stop_service() {
# do not use dsl_cmd to not block when this is locked up by some other proess
echo quit > /tmp/pipe/dsl_cpe0_cmd
DSL_NOTIFICATION_TYPE="DSL_INTERFACE_STATUS" \
DSL_INTERFACE_STATUS="DOWN" \
/sbin/dsl_notify.sh
}