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Update sqm-autorate
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Ycarus (Yannick Chabanois)
parent
765a1307fb
commit
8eabafb541
4 changed files with 127 additions and 60 deletions
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@ -1,11 +1,17 @@
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#!/bin/bash
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# cake-autorate automatically adjusts bandwidth for CAKE in dependence on detected load and RTT
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# cake-autorate_config.sh is a script that sets up defaults for cake-autorate
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# Author: @Lynx (OpenWrt forum)
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# Inspiration taken from: @moeller0 (OpenWrt forum)
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# defaults.sh -- default configuration values for cake-autorate.sh
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#
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# This file is part of cake-autorate.
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#
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# CAKE-AUTORATE IS HIGHLY CONFIGURABLE AND THIS FILE MAY BE
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# CONSULTED IN RESPECT OF OVERRIDING VARIABLES IN A CONFIG FILE.
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#
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# DO NOT MODIFY THIS FILE. ANY CHANGES NEED TO BE MADE TO
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# THE CONFIG FILE FOR A GIVEN INSTANCE OF CAKE-AUTORATE.
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# MODIFYING THIS FILE WILL RESULT IN THE LOSS OF ANY CHANGES
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# DURING AN UPDATE OR UNEXPECTED BEHAVIOR AFTER AN UPDATE
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# IF THE OLD DEFAULT FILE WAS IN USE.
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INTERFACE=""
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@ -14,15 +20,16 @@ INTERFACE=""
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output_processing_stats=1 # enable (1) or disable (0) output monitoring lines showing processing stats
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output_load_stats=1 # enable (1) or disable (0) output monitoring lines showing achieved loads
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output_reflector_stats=1 # enable (1) or disable (0) output monitoring lines showing reflector stats
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output_summary_stats=1 # enable (1) or disable (0) output monitoring lines showing summary stats
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output_cake_changes=0 # enable (1) or disable (0) output monitoring lines showing cake bandwidth changes
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debug=1 # enable (1) or disable (0) out of debug lines
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# This can generate a LOT of records so be careful:
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log_DEBUG_messages_to_syslog=0 # enable (1) or disable (0) logging of all DEBUG records into the system log.
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log_DEBUG_messages_to_syslog=0 # enable (1) or disable (0) logging of all DEBUG records into the system log.
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# ** Take care with these settings to ensure you won't run into OOM issues on your router ***
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# every write the cumulative write time and bytes associated with each log line are checked
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# and if either exceeds the configured values below, the log log file is rotated
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# and if either exceeds the configured values below, the log file is rotated
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log_to_file=1 # enable (1) or disable (0) output logging to file (/tmp/cake-autorate.log)
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log_file_max_time_mins=10 # maximum time between log file rotations
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log_file_max_size_KB=2000 # maximum KB (i.e. bytes/1024) worth of log lines between log file rotations
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@ -33,21 +40,21 @@ log_file_path_override=""
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# *** STANDARD CONFIGURATION OPTIONS ***
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### For multihomed setups, it is the responsibility of the user to ensure that the probes
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### For multihomed setups, it is the responsibility of the user to ensure that the probes
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### sent by this instance of cake-autorate actually travel through these interfaces.
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### See ping_extra_args and ping_prefix_string
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dl_if=ifb-wan # download interface
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ul_if=wan # upload interface
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# pinger selection can be any of:
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# pinger binary selection can be any of:
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# fping - round robin pinging (rtts)
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# tsping - round robin pinging using ICMP type 13 (owds)
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# ping - (iputils-ping) individual pinging (rtts)
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# hping3 - individidual pinging (owds)
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pinger_binary=fping
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# list of reflectors to use and number of pingers to initiate
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# pingers will be initiated with reflectors in the order specified in the list
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# pingers will be initiated with reflectors in the order specified in the list
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# additional reflectors will be used to replace any reflectors that go stale
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# so e.g. if 6 reflectors are specified and the number of pingers is set to 4, the first 4 reflectors will be used initially
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# and the remaining 2 reflectors in the list will be used in the event any of the first 4 go bad
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@ -71,13 +78,18 @@ randomize_reflectors=1 # enable (1) or disable (0) randomization of reflectors o
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no_pingers=6 # number of pingers to maintain
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reflector_ping_interval_s=0.3 # (seconds, e.g. 0.2s or 2s)
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# delay threshold in ms is the extent of OWD increase to classify as a delay
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# owd delta threshold in ms is the extent of OWD increase to classify as a delay
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# these are automatically adjusted based on maximum on the wire packet size
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# (adjustment significant at sub 12Mbit/s rates, else negligible)
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dl_delay_thr_ms=30 # (milliseconds)
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ul_delay_thr_ms=30 # (milliseconds)
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# (adjustment significant at sub 12Mbit/s rates, else negligible)
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dl_owd_delta_thr_ms=30.0 # (milliseconds)
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ul_owd_delta_thr_ms=30.0 # (milliseconds)
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# Set either of the below to 0 to adjust one direction only
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# average owd delta threshold in ms at which maximum adjust_down_bufferbloat is applied
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# set value(s) to 0 to disable and always apply maximum adjust_down_bufferbloat
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dl_avg_owd_delta_thr_ms=60.0 # (milliseconds)
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ul_avg_owd_delta_thr_ms=60.0 # (milliseconds)
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# Set either of the below to 0 to adjust one direction only
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# or alternatively set both to 0 to simply use cake-autorate to monitor a connection
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adjust_dl_shaper_rate=1 # enable (1) or disable (0) actually changing the dl shaper rate
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adjust_ul_shaper_rate=1 # enable (1) or disable (0) actually changing the ul shaper rate
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@ -92,7 +104,7 @@ max_ul_shaper_rate_kbps=35000 # maximum bandwidth for upload (Kbit/s)
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# sleep functionality saves unecessary pings and CPU cycles by
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# pausing all active pingers when connection is not in active use
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enable_sleep_function=1 # enable (1) or disable (0) sleep functonality
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enable_sleep_function=1 # enable (1) or disable (0) sleep functonality
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connection_active_thr_kbps=1000 # threshold in Kbit/s below which dl/ul is considered idle
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sustained_idle_sleep_thr_s=60.0 # time threshold to put pingers to sleep on sustained dl/ul achieved rate < idle_thr (seconds)
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@ -135,8 +147,8 @@ ping_prefix_string=""
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# interval in ms for monitoring achieved rx/tx rates
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# this is automatically adjusted based on maximum on the wire packet size
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# (adjustment significant at sub 12Mbit/s rates, else negligible)
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monitor_achieved_rates_interval_ms=200 # (milliseconds)
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# (adjustment significant at sub 12Mbit/s rates, else negligible)
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monitor_achieved_rates_interval_ms=200 # (milliseconds)
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# bufferbloat is detected when (bufferbloat_detection_thr) samples
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# out of the last (bufferbloat detection window) samples are delayed
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@ -153,21 +165,20 @@ alpha_baseline_decrease=0.9 # how rapidly baseline RTT is allowed to decrease
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# OWD delta from baseline is tracked using ewma with alpha set below
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alpha_delta_ewma=0.095
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# rate adjustment parameters
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# bufferbloat adjustment works with the lower of the adjusted achieved rate and adjusted shaper rate
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# to exploit that transfer rates during bufferbloat provide an indication of line capacity
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# rate adjustment parameters
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# shaper rate is adjusted by a maximum of shaper_rate_max_adjust_down_bufferbloat on detection of bufferbloat
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# and this is scaled by the average delta owd / average owd delta threshold
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# otherwise shaper rate is adjusted up on load high, and down on load idle or low
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achieved_rate_adjust_down_bufferbloat=0.9 # how rapidly to reduce achieved rate upon detection of bufferbloat
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shaper_rate_adjust_down_bufferbloat=0.9 # how rapidly to reduce shaper rate upon detection of bufferbloat
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shaper_rate_adjust_up_load_high=1.01 # how rapidly to increase shaper rate upon high load detected
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shaper_rate_adjust_down_load_low=0.99 # how rapidly to return down to base shaper rate upon idle or low load detected
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shaper_rate_adjust_up_load_low=1.01 # how rapidly to return up to base shaper rate upon idle or low load detected
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shaper_rate_max_adjust_down_bufferbloat=0.75 # how rapidly to reduce shaper rate upon detection of bufferbloat
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shaper_rate_adjust_up_load_high=1.01 # how rapidly to increase shaper rate upon high load detected
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shaper_rate_adjust_down_load_low=0.99 # how rapidly to return down to base shaper rate upon idle or low load detected
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shaper_rate_adjust_up_load_low=1.01 # how rapidly to return up to base shaper rate upon idle or low load detected
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# the load is categoried as low if < high_load_thr and high if > high_load_thr relative to the current shaper rate
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high_load_thr=0.75 # % of currently set bandwidth for detecting high load
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# refractory periods between successive bufferbloat/decay rate changes
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# the bufferbloat refractory period should be greater than the
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# the bufferbloat refractory period should be greater than the
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# average time it would take to replace the bufferbloat
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# detection window with new samples upon a bufferbloat event
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bufferbloat_refractory_period_ms=300 # (milliseconds)
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@ -181,15 +192,15 @@ reflector_response_deadline_s=1.0 # (seconds)
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# reflector misbehaving is detected when $reflector_misbehaving_detection_thr samples
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# out of the last (reflector misbehaving detection window) samples are offences
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# thus with a 1s interval, window 60 and detection_thr 3, this is tantamount to
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# 3 offences within the last 60s
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# 3 offences within the last 60s
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reflector_misbehaving_detection_window=60
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reflector_misbehaving_detection_thr=3
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reflector_replacement_interval_mins=60 # how often to replace a random reflector from the present list
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reflector_comparison_interval_mins=1 # how often to compare reflectors
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reflector_sum_owd_baselines_delta_thr_ms=20 # max increase from min sum owd baselines before reflector rotated
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reflector_owd_delta_ewma_delta_thr_ms=10 # max increase from min delta ewma before reflector rotated
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reflector_comparison_interval_mins=1 # how often to compare reflectors
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reflector_sum_owd_baselines_delta_thr_ms=20.0 # max increase from min sum owd baselines before reflector rotated
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reflector_owd_delta_ewma_delta_thr_ms=10.0 # max increase from min delta ewma before reflector rotated
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# stall is detected when the following two conditions are met:
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# 1) no reflector responses within $stall_detection_thr*$ping_response_interval_us; and
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@ -197,7 +208,7 @@ reflector_owd_delta_ewma_delta_thr_ms=10 # max increase from min delta ewma befo
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stall_detection_thr=5
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connection_stall_thr_kbps=10
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global_ping_response_timeout_s=10 # timeout to set shaper rates to min on no ping response whatsoever (seconds)
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global_ping_response_timeout_s=10.0 # timeout to set shaper rates to min on no ping response whatsoever (seconds)
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if_up_check_interval_s=10.0 # time to wait before re-checking if rx/tx bytes files exist (e.g. from boot state or sleep recovery)
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