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-rwxr-xr-xtarget/linux/bcm4908/base-files/etc/init.d/fastnetwork46
-rw-r--r--target/linux/bcm4908/base-files/etc/uci-defaults/05_packet_steering3
2 files changed, 49 insertions, 0 deletions
diff --git a/target/linux/bcm4908/base-files/etc/init.d/fastnetwork b/target/linux/bcm4908/base-files/etc/init.d/fastnetwork
new file mode 100755
index 0000000000..88f6075990
--- /dev/null
+++ b/target/linux/bcm4908/base-files/etc/init.d/fastnetwork
@@ -0,0 +1,46 @@
+#!/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)"
+ local rps_eth0=0
+ local rps_br_lan=0
+
+ [ "$num_cpus" -le 1 ] && return
+
+ [ "$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
+}
diff --git a/target/linux/bcm4908/base-files/etc/uci-defaults/05_packet_steering b/target/linux/bcm4908/base-files/etc/uci-defaults/05_packet_steering
new file mode 100644
index 0000000000..98c9497815
--- /dev/null
+++ b/target/linux/bcm4908/base-files/etc/uci-defaults/05_packet_steering
@@ -0,0 +1,3 @@
+# SPDX-License-Identifier: GPL-2.0-only
+
+uci set network.@globals[0].packet_steering="1"