package/profeth: add support for starting and monitoring PROFINET

An Infix build with PROFINET gears Net-SNMP heavily towards acting as a
servant to profeth (p-net stack).  This will be hard-coded for now until
we've integrated it all better in Clixon.

Signed-off-by: Joachim Wiberg <troglobit@gmail.com>

package/profeth/default

@@ -0,0 +1 @@
+PROFETH_ARGS="-i vlan1,e0,e1,e2,e3,e4,e5,e6,e7,e8,e9"

package/profeth/profeth.mk

@@ -16,4 +16,17 @@ define PROFETH_POST_RSYNC_INSTALL_OPTS
 endef
 PROFETH_POST_RSYNC_HOOKS += PROFETH_POST_RSYNC_INSTALL_OPTS
 
+define PROFETH_INSTALL_EXTRA
+	cp $(PROFETH_PKGDIR)/sysctl.conf $(TARGET_DIR)/etc/sysctl.d/profeth.conf
+	cp $(PROFETH_PKGDIR)/set_profinet_leds $(TARGET_DIR)/usr/sbin/
+	mkdir -p $(TARGET_DIR)/etc/profeth
+	mkdir -p $(TARGET_DIR)/etc/snmp
+	mkdir -p $(TARGET_DIR)/etc/tmpfiles.d
+	mkdir -p $(TARGET_DIR)/etc/default
+	cp $(PROFETH_PKGDIR)/snmpd.conf $(TARGET_DIR)/etc/snmp/
+	cp $(PROFETH_PKGDIR)/tmpfiles.conf $(TARGET_DIR)/etc/tmpfiles.d/snmpd.conf
+	cp $(PROFETH_PKGDIR)/default $(TARGET_DIR)/etc/default/profeth
+endef
+PROFETH_TARGET_FINALIZE_HOOKS += PROFETH_INSTALL_EXTRA
+
 $(eval $(autotools-package))

package/profeth/set_profinet_leds

@@ -0,0 +1,24 @@
+#!/bin/sh
+# Used by profeth to flash LED(s), only a dummy for now
+
+if [ $# -ne 2 ]; then
+   echo "Usage: ${0} led_number led_state"
+   echo "   where:"
+   echo "       led_number:      LED number. Number 1 for sample app data LED"
+   echo "                                    Number 2 for mandatory Profinet signal LED"
+   echo "       led_state:       1 for on, 0 for off"
+   echo "   Exit code:           0 on success, 1 on error"
+   exit 1
+fi
+
+LED_NUMBER=$1
+LED_STATE=$2
+
+if ! [ "${LED_STATE}" = "0" -o "${LED_STATE}" = "1" ]; then
+   echo "Wrong LED state: ${LED_STATE}"
+   exit 1
+fi
+
+echo ${LED_STATE} > "/tmp/pnet_led_${LED_NUMBER}.txt"
+
+exit 0

package/profeth/snmpd.conf

@@ -0,0 +1,21 @@
+#rocommunity public
+#rwcommunity private
+#sysName infix
+#sysLocation kernelkit
+#syscontact kernelkit@googlegroups.com
+#sysServices 10
+
+#master agentx
+#agentXTimeout 5
+#engineIDType 3
+#engineIDNic vlan1
+
+master  agentx
+agentXSocket /var/run/agentx/master
+
+agentaddress  udp:161
+view   systemonly  included   .1.3.6.1.2.1.1
+view   systemonly  included   .1.3.6.1.2.1.2.2
+view   systemonly  included   .1.0.8802.1.1.2
+rocommunity  public  default -V systemonly
+rwcommunity  private default -V systemonly

package/profeth/sysctl.conf

@@ -0,0 +1,2 @@
+# Explicitly required by p-net, <https://rt-labs.com/docs/p-net/additional_linux_details.html?highlight=ip_local_port_range#setting-linux-ephemeral-port-rang>, but also IANA <https://www.iana.org/assignments/service-names-port-numbers/service-names-port-numbers.txt>
+net.ipv4.ip_local_port_range = 49152 60999

package/profeth/tmpfiles.conf

@@ -0,0 +1,3 @@
+# For Net-SNMP
+d  /var/run/agentx	- - -
+

package/skeleton-init-finit/skeleton-init-finit.mk

@@ -148,6 +148,13 @@ endef
 SKELETON_INIT_FINIT_TARGET_FINALIZE_HOOKS += SKELETON_INIT_FINIT_SET_OPENSSH
 endif
 
+ifeq ($(BR2_PACKAGE_PROFETH),y)
+define SKELETON_INIT_FINIT_SET_PROFETH
+	cp $(SKELETON_INIT_FINIT_AVAILABLE)/profeth.conf $(FINIT_D)/available/
+endef
+SKELETON_INIT_FINIT_TARGET_FINALIZE_HOOKS += SKELETON_INIT_FINIT_SET_PROFETH
+endif
+
 ifeq ($(BR2_PACKAGE_QUAGGA),y)
 define SKELETON_INIT_FINIT_SET_QUAGGA
 	cp $(SKELETON_INIT_FINIT_AVAILABLE)/quagga/zebra.conf $(FINIT_D)/available/

package/skeleton-init-finit/skeleton/etc/finit.d/available/profeth.conf

@@ -0,0 +1 @@
+service [2345789] <pid/snmpd> env:-/etc/default/profeth profeth -s infix -p /etc/profeth $PROFETH_ARGS -- PROFΞTH daemon