From: Felix Fietkau <nbd@openwrt.org>
Date: Sun, 10 Mar 2013 01:01:51 +0000 (+0000)
Subject: cns3xxx: disable CONFIG_PROC_STRIPPED and add an init script to set the ethernet... 
X-Git-Tag: reboot~11036
X-Git-Url: http://git.lede-project.org./?a=commitdiff_plain;h=3d919b7c086977cdf470042530e5d1bcf1e514b9;p=openwrt%2Fstaging%2Fnoltari.git

cns3xxx: disable CONFIG_PROC_STRIPPED and add an init script to set the ethernet cpu affinity (improves lan<->wlan bridging performance)

SVN-Revision: 35915
---

diff --git a/target/linux/cns3xxx/base-files/etc/init.d/netdev-cpu b/target/linux/cns3xxx/base-files/etc/init.d/netdev-cpu
new file mode 100755
index 0000000000..3a2a57bc1e
--- /dev/null
+++ b/target/linux/cns3xxx/base-files/etc/init.d/netdev-cpu
@@ -0,0 +1,21 @@
+#!/bin/sh /etc/rc.common
+
+START=99
+
+get_irq() {
+	local name="$1"
+	grep -m 1 "$name" /proc/interrupts | cut -d: -f1 | sed 's, *,,'
+}
+
+set_irq_affinity() {
+	local name="$1"
+	local val="$2"
+	local irq="$(get_irq "$name")"
+	[ -n "$irq" ] || return
+	echo "$val" > "/proc/irq/$irq/smp_affinity"
+}
+
+start() {
+	set_irq_affinity gig_switch 2
+	set_irq_affinity gig_stat 2
+}
diff --git a/target/linux/cns3xxx/config-3.8 b/target/linux/cns3xxx/config-3.8
index c3f4fb1646..f308db02e5 100644
--- a/target/linux/cns3xxx/config-3.8
+++ b/target/linux/cns3xxx/config-3.8
@@ -166,6 +166,7 @@ CONFIG_PL310_ERRATA_769419=y
 CONFIG_PPS=y
 CONFIG_PPS_CLIENT_GPIO=y
 # CONFIG_PREEMPT_RCU is not set
+# CONFIG_PROC_STRIPPED is not set
 CONFIG_RAID_ATTRS=y
 CONFIG_RFS_ACCEL=y
 CONFIG_RPS=y