sonic-buildimage/platform/marvell-armhf/sonic-platform-nokia/inband_mgmt.sh
dflynn-Nokia 533b7cc676 [Nokia ixs7215] Add SW assist for platform entropy & fix inband mgmt support (#6417)
- Improve random number generation during early Sonic initialization by providing SW updates to Linux entropy value.
- Improve handling of platform In-Band management port

This commit provides the following updates to the Nokia ixs7215 platform

1. The Marvell Armada-38x SOC requires SW assistance to improve the system
   entropy value available early on in the Sonic boot sequence.
2. The Nokia ixs7215 platform does not have a dedicated Out-Of-Band (OOB) mgmt
   port and thus requires additional logic to optionally support configuring
   front panel port 48 as an In-Band mgmt port. This commit provides additional
   logic to manage and maintain the operation of this In-Band mgmt port.
2021-01-15 08:16:46 -08:00

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#!/bin/sh
#inband_mgmt
inband_mgmt(){
# In this platform, one of the network ports is used as mgmt interface.
# This script periodically monitors inband management port eth0 and
# assigns IP address to eth0 if needed.
if [ ! -f /host/machine.conf ]; then
exit 0
fi
#wait for n/w port init to complete
sleep 60
while :; do
ip -br link show eth0 2> /dev/null
if [ $? -eq 0 ]; then
ip address show eth0 | grep -qw "inet" 2>/dev/null
if [ $? -ne 0 ]; then
ifconfig eth0 down
systemctl restart networking
fi
sleep 120
else
sleep 3
fi
done
}
(inband_mgmt > /dev/null)&