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| author | Andrea Merello <andrea.merello@gmail.com> | 2017-05-13 17:16:13 +0200 |
|---|---|---|
| committer | Hauke Mehrtens <hauke@hauke-m.de> | 2017-06-03 17:48:57 +0200 |
| commit | 860e053b29a77897d635c1e33007552561062961 (patch) | |
| tree | b1fe80107e5db04ada7f32629802826e159c0322 | |
| parent | 63a20c95fdbdd8543803136d4038c06b6ab45aeb (diff) | |
| download | mtk-20170518-860e053b29a77897d635c1e33007552561062961.zip mtk-20170518-860e053b29a77897d635c1e33007552561062961.tar.gz mtk-20170518-860e053b29a77897d635c1e33007552561062961.tar.bz2 | |
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>
| -rw-r--r-- | package/network/config/ltq-vdsl-app/files/dsl_control | 27 |
1 files changed, 26 insertions, 1 deletions
diff --git a/package/network/config/ltq-vdsl-app/files/dsl_control b/package/network/config/ltq-vdsl-app/files/dsl_control index 5ca1b12..c659d50 100644 --- a/package/network/config/ltq-vdsl-app/files/dsl_control +++ b/package/network/config/ltq-vdsl-app/files/dsl_control @@ -96,6 +96,22 @@ tone_vdsl_b="0x1" # B43 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 $1 +} + +[WaitForLinkActivate]={ +} + +[WaitForRestart]={ +} + +[Common]={ +}" > /tmp/adsl.scr +} + lowlevel_cfg() { echo "# VRX Low Level Configuration File # @@ -166,6 +182,7 @@ start_service() { local line_mode local mode local lowlevel + local snr config_load network config_get tone dsl tone @@ -173,6 +190,7 @@ start_service() { config_get firmware dsl firmware config_get xfer_mode dsl xfer_mode config_get line_mode dsl line_mode + config_get snr dsl ds_snr_offset eval "xtse=\"\${xtse_xdsl_$annex}\"" @@ -262,13 +280,20 @@ start_service() { 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} + -M ${mode} \ + $autoboot procd_append_param env "LOAD=$LOAD" "UNLOAD=$UNLOAD" procd_close_instance } |