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bcm53xx: refactor packet steering init

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Replace a standalone init.d script with a platform implementation as
supported by netifd. This avoids a race between netifd and target
specific setups.

Signed-off-by: Rafał Miłecki <rafal@milecki.pl>
This commit is contained in:
Rafał Miłecki 2023-02-13 10:32:45 +01:00
parent 601257e388
commit 6e555ac3ad
2 changed files with 25 additions and 44 deletions
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44
target/linux/bcm53xx/base-files/etc/init.d/fastnetwork
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@ -1,44 +0,0 @@
#!/bin/sh /etc/rc.common
START=25
USE_PROCD=1
start_service() {
reload_service
}
service_triggers() {
procd_add_reload_trigger "network"
procd_add_reload_trigger "firewall"
procd_add_reload_interface_trigger "lan"
}
reload_service() {
local packet_steering="$(uci -q get network.@globals[0].packet_steering)"
local num_cpus="$(grep -c "^processor.*:" /proc/cpuinfo)"
local flow_offloading="$(uci -q get firewall.@defaults[0].flow_offloading)"
local flow_offloading_hw="$(uci -q get firewall.@defaults[0].flow_offloading_hw)"
# Any steering on 1 CPU (BCM47081) worsens network performance
[ "$num_cpus" != 2 ] && return
[ "$packet_steering" != 1 ] && {
echo 0 > /sys/class/net/br-lan/queues/rx-0/rps_cpus
echo 0 > /sys/class/net/eth0/queues/rx-0/rps_cpus
return
}
if [ ${flow_offloading_hw:-0} -gt 0 ]; then
# HW offloading
echo 0 > /sys/class/net/br-lan/queues/rx-0/rps_cpus
echo 0 > /sys/class/net/eth0/queues/rx-0/rps_cpus
elif [ ${flow_offloading:-0} -gt 0 ]; then
# SW offloading
# br-lan setup doesn't seem to matter for offloading case
echo 2 > /sys/class/net/eth0/queues/rx-0/rps_cpus
else
# Default
echo 2 > /sys/class/net/br-lan/queues/rx-0/rps_cpus
echo 0 > /sys/class/net/eth0/queues/rx-0/rps_cpus
fi
}

25
target/linux/bcm53xx/base-files/usr/libexec/platform/packet-steering.sh Executable file
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@ -0,0 +1,25 @@
#!/bin/sh /etc/rc.common
packet_steering="$(uci -q get network.@globals[0].packet_steering)"
flow_offloading="$(uci -q get firewall.@defaults[0].flow_offloading)"
flow_offloading_hw="$(uci -q get firewall.@defaults[0].flow_offloading_hw)"
[ "$packet_steering" != 1 ] && {
echo 0 > /sys/class/net/br-lan/queues/rx-0/rps_cpus
echo 0 > /sys/class/net/eth0/queues/rx-0/rps_cpus
exit 0
}
if [ ${flow_offloading_hw:-0} -gt 0 ]; then
# HW offloading
echo 0 > /sys/class/net/br-lan/queues/rx-0/rps_cpus
echo 0 > /sys/class/net/eth0/queues/rx-0/rps_cpus
elif [ ${flow_offloading:-0} -gt 0 ]; then
# SW offloading
# br-lan setup doesn't seem to matter for offloading case
echo 2 > /sys/class/net/eth0/queues/rx-0/rps_cpus
else
# Default
echo 2 > /sys/class/net/br-lan/queues/rx-0/rps_cpus
echo 0 > /sys/class/net/eth0/queues/rx-0/rps_cpus
fi