Rafał Miłecki f06bd5bdb8 bcm4908: refactor packet steering init
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>
2023-02-15 19:44:11 +01:00

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#!/bin/sh
packet_steering="$(uci -q get network.@globals[0].packet_steering)"
num_cpus="$(grep -c "^processor.*:" /proc/cpuinfo)"
flow_offloading="$(uci -q get firewall.@defaults[0].flow_offloading)"
flow_offloading_hw="$(uci -q get firewall.@defaults[0].flow_offloading_hw)"
rps_eth0=0
rps_br_lan=0
[ "$packet_steering" = 1 ] && {
if [ ${flow_offloading_hw:-0} -gt 0 ]; then
# HW offloading
# Not implemented
:
elif [ ${flow_offloading:-0} -gt 0 ]; then
# SW offloading
# BCM4908 always reaches ~940 Mb/s
:
else
# Default
case "$num_cpus" in
2) rps_eth0=2; rps_br_lan=2;;
4) rps_eth0=e; rps_br_lan=e;;
esac
fi
}
echo $rps_eth0 > /sys/class/net/eth0/queues/rx-0/rps_cpus
echo $rps_br_lan > /sys/class/net/br-lan/queues/rx-0/rps_cpus