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networkmanager: install dispatcher to create P2P bridge 

https://jira.digi.com/browse/DEL-6576

Co-authored-by: Isaac Hermida <isaac.hermida@digi.com>
Signed-off-by: Javier Viguera <javier.viguera@digi.com>
This commit is contained in:
Javier Viguera 2019-05-10 17:38:13 +02:00
parent 1a79df51c3
commit c93c116f2c
2 changed files with 69 additions and 1 deletions
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65
meta-digi-dey/recipes-connectivity/networkmanager/networkmanager/p2pbridge Normal file
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@ -0,0 +1,65 @@
#!/bin/sh
#
# Copyright 2019, Digi International Inc.
#
# This Source Code Form is subject to the terms of the Mozilla Public
# License, v. 2.0. If a copy of the MPL was not distributed with this
# file, you can obtain one at http://mozilla.org/MPL/2.0/.
#
# THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
# WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
# MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
# ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
# WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
# ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
# OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
#
# Description: create P2P (BATMAN) bridge
#
# This script is specific to create a P2P (BATMAN) bridge, so
# require the CONNECTION_ID to be "p2p-bridge"
[ "${CONNECTION_ID}" = "p2p-bridge" ] || exit 0
log() {
systemd-cat -p "${1}" -t p2pbridge printf "%s" "${2}"
}
case "${NM_DISPATCHER_ACTION}" in
pre-up)
# Reset virtual interfaces
{ batctl if destroy; ifdown -f p2p0; } >/dev/null 2>&1
# Bring P2P link up
log info "bring P2P link UP"
ifup p2p0 || { log err "p2p link NOT created"; exit 1; }
for P2P_IFNAME in $(basename $(echo /sys/class/net/p2p-p2p0-*)); do
echo "${P2P_IFNAME}" | grep -qs 'p2p-p2p0-\*' && continue
ifconfig "${P2P_IFNAME}" 0.0.0.0
p2p_iface_found="1"
break
done
[ -z "${p2p_iface_found}" ] && { log err "p2p interface NOT found"; exit 1; }
# Bring P2P bridge up
log info "bring P2P bridge up"
batctl if add "${P2P_IFNAME}"
ifconfig eth0 0.0.0.0 up
ifconfig bat0 0.0.0.0 up
brctl addif "${DEVICE_IP_IFACE}" bat0
brctl addif "${DEVICE_IP_IFACE}" eth0
log info "P2P bridge created"
;;
down)
log info "bring P2P bridge DOWN"
brctl delif "${DEVICE_IP_IFACE}" bat0
brctl delif "${DEVICE_IP_IFACE}" eth0
batctl if destroy
log info "bring P2P link DOWN"
ifdown -f p2p0 || { log err "unable to bring P2P link DOWN"; exit 1; }
;;
*)
# Do nothing
;;
esac

5
meta-digi-dey/recipes-connectivity/networkmanager/networkmanager_%.bbappend
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@ -16,6 +16,7 @@ SRC_URI += " \
file://nm.wlan0.static \
file://01dispatcher \
file://ifdownup \
file://p2pbridge \
"
# 'polkit' depends on 'consolekit', and this requires 'x11' distro feature. So
@ -93,13 +94,15 @@ do_install_append() {
${D}${sysconfdir}/NetworkManager/system-connections/nm.cellular
fi
# Install main dispatcher script and create directories
# Install dispatcher scripts and create directories
install -d ${D}${sysconfdir}/NetworkManager/dispatcher.d/up.d \
${D}${sysconfdir}/NetworkManager/dispatcher.d/down.d \
${D}${sysconfdir}/NetworkManager/dispatcher.d/connectivity-change.d \
${D}${sysconfdir}/NetworkManager/dispatcher.d/device-connectivity-change.d
install -m 0755 ${WORKDIR}/01dispatcher ${D}${sysconfdir}/NetworkManager/dispatcher.d/
install -m 0755 ${WORKDIR}/ifdownup ${D}${sysconfdir}/NetworkManager/dispatcher.d/device-connectivity-change.d/
install -m 0755 ${WORKDIR}/p2pbridge ${D}${sysconfdir}/NetworkManager/dispatcher.d/pre-up.d/
ln -s ../pre-up.d/p2pbridge ${D}${sysconfdir}/NetworkManager/dispatcher.d/down.d/p2pbridge
# Disable terminal colors by default
install -d ${D}${sysconfdir}/terminal-colors.d