switch-fabric: add package that handles switch-fabric features

* add support for port mirroring
* lagcp will be housed within this package aswell in future

Signed-off-by: John Crispin <john@phrozen.org>

feeds/ucentral/switch-fabric/Makefile

@@ -0,0 +1,34 @@
+include $(TOPDIR)/rules.mk
+
+PKG_NAME:=switch-fabric
+PKG_RELEASE:=1
+
+PKG_LICENSE:=BSD-3-Clause
+PKG_MAINTAINER:=John Crispin <john@phrozen.org>
+
+include $(INCLUDE_DIR)/package.mk
+
+define Package/switch-fabric
+  SECTION:=ucentral
+  CATEGORY:=uCentral
+  TITLE:=switch-fabric
+endef
+
+define Package/switch-fabric/description
+ Allow configuring HW specific switch fabric features.
+endef
+
+define Build/Prepare
+	mkdir -p $(PKG_BUILD_DIR)
+endef
+
+define Build/Compile/Default
+
+endef
+Build/Compile = $(Build/Compile/Default)
+
+define Package/switch-fabric/install
+	$(CP) ./files/* $(1)
+endef
+
+$(eval $(call BuildPackage,switch-fabric))

feeds/ucentral/switch-fabric/files/etc/init.d/switch-fabric

@@ -0,0 +1,19 @@
+#!/bin/sh /etc/rc.common
+
+START=90
+USE_PROCD=1
+PROG=/usr/libexec/switch.sh
+
+reload_service() {
+	restart
+}
+
+service_triggers() {
+	procd_add_reload_trigger switch
+}
+
+start_service() {
+	procd_open_instance
+	procd_set_param command "$PROG"
+	procd_close_instance
+}

feeds/ucentral/switch-fabric/files/usr/libexec/switch.sh

@@ -0,0 +1,23 @@
+#!/bin/sh
+
+. /lib/functions.sh
+
+port_mirror() {
+	for lan in $(ls -d /sys/class/net/lan* | cut -dn -f3 |sort -n); do
+		tc qdisc del dev lan$lan clsact
+	done
+
+	monitor=$(uci get switch.mirror.monitor)
+	analysis=$(uci get switch.mirror.analysis)
+
+	[ -n "$monitor" -a -n "$analysis" ] || return
+
+	ifconfig $analysis up
+	for port in $monitor; do
+		tc qdisc add dev $port clsact
+		tc filter add dev $port ingress matchall skip_sw action mirred egress mirror dev $analysis
+		tc filter add dev $port egress matchall skip_sw action mirred egress mirror dev $analysis
+	done
+}
+
+port_mirror

feeds/ucentral/ucentral-schema/files/etc/ucentral/examples/switch-fabric.json

@@ -0,0 +1,46 @@
+{
+	"uuid": 2,
+
+	"switch": {
+		"port-mirror": {
+			"monitor-ports": [ "WAN2" ],
+			"analysis-port": "WAN3"
+		}
+	},
+
+	"interfaces": [
+		{
+			"name": "WAN",
+			"role": "upstream",
+			"services": [ "lldp", "ssh" ],
+			"ethernet": [
+				{
+					"select-ports": [
+						"WAN*"
+					]
+				}
+			],
+			"ipv4": {
+				"addressing": "dynamic"
+			}
+		}
+	],
+	"metrics": {
+		"statistics": {
+			"interval": 120,
+			"types": [ "ssids", "lldp", "clients" ]
+		},
+		"health": {
+			"interval": 120
+		}
+	},
+	"services": {
+		"lldp": {
+			"describe": "uCentral",
+			"location": "universe"
+		},
+		"ssh": {
+			"port": 22
+		}
+	}
+}