From: Michael Tremer <michael.tremer@ipfire.org>
Date: Tue, 15 Aug 2017 21:04:37 +0000 (+0000)
Subject: Add port hook for wireless mesh devices after 802.11s
X-Git-Tag: 010~260
X-Git-Url: http://git.ipfire.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=727248f0e79b860fdb31e3d1e611574ec60cb6b1;p=network.git

Add port hook for wireless mesh devices after 802.11s

Signed-off-by: Michael Tremer <michael.tremer@ipfire.org>
---

diff --git a/Makefile.am b/Makefile.am
index ce9b9e2a..edd6dc49 100644
--- a/Makefile.am
+++ b/Makefile.am
@@ -213,7 +213,8 @@ dist_hooks_ports_SCRIPTS = \
 	src/hooks/ports/ethernet \
 	src/hooks/ports/vlan \
 	src/hooks/ports/wireless-adhoc \
-	src/hooks/ports/wireless-ap
+	src/hooks/ports/wireless-ap \
+	src/hooks/ports/wireless-mesh
 
 dist_hooks_zones_SCRIPTS = \
 	src/hooks/zones/6to4-tunnel \
diff --git a/src/functions/functions.constants b/src/functions/functions.constants
index ab087d7a..91e5ffcf 100644
--- a/src/functions/functions.constants
+++ b/src/functions/functions.constants
@@ -104,6 +104,7 @@ DEVICE_PRINT_LINE1="    %-24s %s\n"
 PORT_PATTERN="pN"
 PORT_PATTERN_ACCESSPOINT="apN"
 PORT_PATTERN_BATMAN_ADV="batN"
+PORT_PATTERN_MESH="mN"
 PORT_PATTERN_WIRELESS="wN"
 PORT_PATTERN_WIRELESS_ADHOC="adhocN"
 PORT_PATTERN_WIRELESS_MONITOR="wmonN"
diff --git a/src/hooks/ports/wireless-mesh b/src/hooks/ports/wireless-mesh
new file mode 100644
index 00000000..813777ac
--- /dev/null
+++ b/src/hooks/ports/wireless-mesh
@@ -0,0 +1,132 @@
+#!/bin/bash
+###############################################################################
+#                                                                             #
+# IPFire.org - A linux based firewall                                         #
+# Copyright (C) 2017 Michael Tremer                                           #
+#                                                                             #
+# This program is free software: you can redistribute it and/or modify        #
+# it under the terms of the GNU General Public License as published by        #
+# the Free Software Foundation, either version 3 of the License, or           #
+# (at your option) any later version.                                         #
+#                                                                             #
+# This program is distributed in the hope that it will be useful,             #
+# but WITHOUT ANY WARRANTY; without even the implied warranty of              #
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the               #
+# GNU General Public License for more details.                                #
+#                                                                             #
+# You should have received a copy of the GNU General Public License           #
+# along with this program.  If not, see <http://www.gnu.org/licenses/>.       #
+#                                                                             #
+###############################################################################
+
+. /usr/lib/network/header-port
+
+HOOK_PORT_PATTERN="${PORT_PATTERN_MESH}"
+
+HOOK_SETTINGS="HOOK ADDRESS MESH_ID CHANNEL PHY"
+
+hook_check_settings() {
+	assert ismac ADDRESS
+	assert isset MESH_ID
+	assert isset CHANNEL
+	assert isset PHY
+	assert ismac PHY
+}
+
+hook_parse_cmdline() {
+	while [ $# -gt 0 ]; do
+		case "${1}" in
+			--address=*)
+				ADDRESS=$(cli_get_val "${1}")
+				;;
+			--channel=*)
+				CHANNEL=$(cli_get_val "${1}")
+				;;
+			--mesh-id=*)
+				MESH_ID=$(cli_get_val "${1}")
+				;;
+			--phy=*)
+				PHY=$(cli_get_val "${1}")
+				;;
+			*)
+				warning "Ignoring unknown argument '${1}'"
+				;;
+		esac
+		shift
+	done
+
+	if ! isset MESH_ID; then
+		error "Please pass a mesh ID"
+		return ${EXIT_ERROR}
+	fi
+
+	# Save address of phy do identify it again
+	PHY=$(phy_get ${PHY})
+	PHY=$(phy_get_address ${PHY})
+
+	# Generate a MAC address if none given
+	if ! isset ADDRESS; then
+		ADDRESS=$(mac_generate)
+	fi
+
+	# XXX check if wireless channel is valid
+}
+
+hook_create() {
+	local port="${1}"
+	assert isset port
+
+	# Read settings
+	port_settings_read "${port}" ${HOOK_SETTINGS}
+
+	# Check if the PHY is present.
+	local phy="$(phy_get "${PHY}")"
+	if ! isset phy; then
+		log DEBUG "phy '${PHY}' is not present"
+		return ${EXIT_ERROR}
+	fi
+
+	# Create the wireless device, if it does not exist, yet.
+	if ! device_exists "${port}"; then
+		wireless_create "${port}" \
+			--address="${ADDRESS}" \
+			--channel="${CHANNEL}" \
+			--phy="${phy}" \
+			--type="mesh-point" || return $?
+	fi
+
+	return ${EXIT_OK}
+}
+
+hook_remove() {
+	local port="${1}"
+	assert isset port
+
+	if device_exists "${port}"; then
+		wireless_remove "${port}"
+	fi
+
+	exit ${EXIT_OK}
+}
+
+hook_hotplug() {
+	local port="${1}"
+	assert isset port
+
+	port_settings_read "${port}" ${HOOK_SETTINGS}
+
+	case "$(hotplug_action)" in
+		add)
+			# Bring up the port when the phy is plugged in
+			if hotplug_event_port_uses_phy "${port}"; then
+				hook_create "${port}" || exit $?
+			fi
+			;;
+
+		*)
+			exit ${EXIT_NOT_HANDLED}
+			;;
+	esac
+
+	exit ${EXIT_OK}
+}