openwrt-ipq-breeze303/package/kernel/mac80211/files/qca-nss-pbuf.init

#!/bin/sh /etc/rc.common
#
# Copyright (c) 2021 The Linux Foundation. All rights reserved.
# Permission to use, copy, modify, and/or distribute this software for any
# purpose with or without fee is hereby granted, provided that the above
# copyright notice and this permission notice appear in all copies.
#
# THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
# WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
# MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
# ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
# WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
# ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
# OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
#

START=71

apply_sysctl() {
  [ "$(sysctl -n -e dev.nss.general.redirect)" -eq 0 ] && /etc/init.d/qca-nss-ecm start

  # Running this script multiple times is useless, as extra_pbuf_core0
  # can't be changed if it is allocated, assume it's already been run.
  if [ "$(sysctl -n -e dev.nss.n2hcfg.extra_pbuf_core0)" -eq 0 ]; then
    logger -t ath11k_nss "$board - setting dev.nss.n2hcfg.extra_pbuf_core0=$extra_pbuf_core0"
    sysctl -w dev.nss.n2hcfg.extra_pbuf_core0="$extra_pbuf_core0" > /dev/null 2> /dev/null
  else
    logger -t ath11k_nss "Sysctl key 'extra_pbuf_core0' already set to '""$extra_pbuf_core0""'. Skipping applying wifi nss configs"
  fi

  sysctl -w dev.nss.n2hcfg.n2h_high_water_core0="$n2h_high_water_core0" > /dev/null 2>/dev/null

  logger -t ath11k_nss "$board - setting dev.nss.n2hcfg.n2h_wifi_pool_buf=$n2h_wifi_pool_buf"
  sysctl -w dev.nss.n2hcfg.n2h_wifi_pool_buf="$n2h_wifi_pool_buf"

  logger -t ath11k_nss "$board - setting dev.nss.n2hcfg.n2h_high_water_core0=$n2h_high_water_core0"
  sysctl -w dev.nss.n2hcfg.n2h_high_water_core0="$n2h_high_water_core0"

}

apply_nss_config() {
  if [ ! -r /sys/module/ath11k/parameters/nss_offload ]; then
    logger -t ath11k_nss "Module parameter '/sys/module/ath11k/parameters/nss_offload' does NOT exist. Skipping applying wifi nss configs"
    exit 1
  fi

  enable_nss_offload=$(cat /sys/module/ath11k/parameters/nss_offload)

  if [ "$enable_nss_offload" -ne "1" ]; then
    logger -t ath11k_nss -s user.warn "Module parameter 'nss_offload=0'. Skipping applying wifi nss configs"
    exit 1
  fi

  [ ! -d "/proc/sys/dev/nss/rps" ] && {
    logger -s -t ath11k_nss -p user.error "NSS driver not loaded or disabled! Exiting... "
    exit 1
  }

  # Lock NSS clock to highest setting
  sysctl -w dev.nss.clock.auto_scale=0 > /dev/null 2> /dev/null

  sysctl -w dev.nss.n2hcfg.n2h_queue_limit_core0=2048 > /dev/null 2> /dev/null
  sysctl -w dev.nss.n2hcfg.n2h_queue_limit_core1=2048 > /dev/null 2> /dev/null

  sysctl -w dev.nss.rps.hash_bitmap=15 > /dev/null 2> /dev/null

  local memory_profile
  if memory_profile=$(uci_get pbuf.opt.memory_profile); then
    case "$memory_profile" in
       1g*|512m*|256m*)
          board=$memory_profile
          logger -t ath11k_nss "Using custom memory profile - $board"
          ;;
        off*|false*|disable*|0)
          logger -s -t ath11k_nss -p user.warn "NSS pbuf option 'memory_profile=off'. Not running. Enable if you have issues connecting more than 65 clients"
          exit 0
          ;;
        auto)
          board=$(board_name)
          logger -t ath11k_nss "Setting n2hcfg values for board: $board"
          ;;
          *)
            logger -s -t ath11k_nss -p user.error "Unknown profile $memory_profile. Choose auto, 1gb, 512mb, or 256mb"
          exit 1
          ;;
    esac
  else
    exit 0
  fi

  case "$board" in
    # 1GB+ profile
    arcadyan,aw1000 | \
    buffalo,wxr-5950ax12 | \
    dynalink,dl-wrx36 | \
    edgecore,eap102 | \
    linksys,mx4200v2 | \
    linksys,mx5300 | \
    netgear,rax120v2 | \
    netgear,wax620 | \
    netgear,wax630 | \
    prpl,haze | \
    qnap,301w | \
    xiaomi,ax9000 | \
    yuncore,ax880 | \
    zyxel,nbg7815 | \
    1g*)
      extra_pbuf_core0=9000000 n2h_high_water_core0=67392 n2h_wifi_pool_buf=40960 apply_sysctl
      ;;
    # 512MB profile
    edimax,cax1800 | \
    compex,wpq873 | \
    linksys,mx4200v1 | \
    redmi,ax6 | \
    xiaomi,ax3600 | \
    zte,mf269 | \
    512m*)
      extra_pbuf_core0=3100000 n2h_high_water_core0=30624 n2h_wifi_pool_buf=8192 apply_sysctl
      ;;
    # 256MB profile
    netgear,wax218 | \
    256m*)
      extra_pbuf_core0=3100000 n2h_high_water_core0=30258 n2h_wifi_pool_buf=4096 apply_sysctl
      ;;
  esac
}

boost_performance() {

  find /sys/kernel/debug/ath11k -name stats_disable| while read -r stats_disable; do
    echo 1 > "$stats_disable"
  done

  ubus call iwinfo devices | jsonfilter -e "@.devices[*]"| while read -r device; do
    tc qdisc replace dev "${device}" root noqueue
  done

  for num in 0 1 2 3; do
    echo "performance" > /sys/devices/system/cpu/cpu${num}/cpufreq/scaling_governor
  done

}

start() {

  boost_performance
  apply_nss_config

}