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https://github.com/breeze303/nss-packages.git
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217a4fa43b
This script is meant to set various skb_recycler settings. There is a similar version in QSDK, but it's packaged in the main repo, rather than an external package like 'qca-nss-drv'. To avoid making too many changes in the main repo, introduce this script in `qca-nss-drv`. This script will read the following config: /etc/config/skb_recycler ``` config skb_recycler 'opt' option max_skbs '1024' option max_spare_skbs '256' option enable '1' ``` Users are encouraged to experiment disabling `skb_recycler` to see if memory leaks are still occuring, especially on 512M boards. There are issues currently where skb_recycler corrupts skbs during times of high traffic, but there wasn't a way to completely disable it. Signed-off-by: Sean Khan <datapronix@protonmail.com>
93 lines
2.2 KiB
Bash
93 lines
2.2 KiB
Bash
#!/bin/sh /etc/rc.common
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# shellcheck disable=3043
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START=40
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USE_PROCD=1
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NAME=skb_recycler
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ucidef_set_skb_recycler() {
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uci import << EOF
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package $NAME
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config $NAME 'opt'
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EOF
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}
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skb_recycler_config() {
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. /lib/config/uci.sh
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local CFG
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local max_skbs
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local max_spare_skbs
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local enable
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local memtotal
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CFG="$1"
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config_get max_skbs "${CFG}" max_skbs
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config_get max_spare_skbs "${CFG}" max_spare_skbs
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config_get enable "${CFG}" enable
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memtotal=$(awk '/MemTotal/{print $2}' /proc/meminfo)
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[ -z "$max_skbs" ] && {
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[ $memtotal -le 512000 ] && max_skbs=512 || max_skbs=1024
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uci_set $NAME "${CFG}" max_skbs "$max_skbs"
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uci_commit "$NAME"
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}
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[ -z "$max_spare_skbs" ] && {
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[ $memtotal -le 512000 ] && max_spare_skbs=128 || max_spare_skbs=256
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uci_set $NAME "${CFG}" max_spare_skbs "$max_spare_skbs"
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uci_commit "$NAME"
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}
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[ -z "$enable" ] && {
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[ $memtotal -le 256000 ] && enable=0 || enable=1
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uci_set $NAME "${CFG}" enable "$enable"
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uci_commit "$NAME"
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}
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[ "$enable" -eq 0 ] && enable_disable="Disabling" || enable_disable="Enabling"
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if [ -r "/proc/net/$NAME/skb_recycler_enable" ]; then
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logger -t "$NAME" -p user.notice "$enable_disable $NAME"
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echo "$enable" > /proc/net/$NAME/skb_recycler_enable
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else
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if [ "$enable" -eq 0 ]; then
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logger -t "$NAME" -p user.warn "$NAME kernel feature 'skb_recycler_enable' not available"
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logger -t "$NAME" -p user.notice "$enable_disable $NAME"
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echo 1 > /proc/net/$NAME/max_skbs
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echo 1 > /proc/net/$NAME/max_spare_skbs
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echo 1 > /proc/net/$NAME/flush
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fi
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fi
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logger -t "$NAME" -p user.notice "Setting max_skbs to $max_skbs"
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echo "$max_skbs" > /proc/net/$NAME/max_skbs
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logger -t "$NAME" -p user.notice "Setting max_spare_skbs to $max_spare_skbs"
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echo "$max_spare_skbs" > /proc/net/$NAME/max_spare_skbs
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[ "$enable" -eq 0 ] && echo 1 > /proc/net/$NAME/flush
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}
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check_config() {
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config_load "$NAME" || {
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touch /etc/config/$NAME
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ucidef_set_skb_recycler
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}
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}
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reload_service() {
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[ ! -r /proc/net/$NAME ] && logger -t "$NAME" -p user.warn "skb_recycler feature not available" && return
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check_config
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config_load $NAME
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config_foreach skb_recycler_config $NAME
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}
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start_service() {
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reload_service
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}
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