58 lines
2.0 KiB
Bash
Executable File
58 lines
2.0 KiB
Bash
Executable File
#!/bin/bash
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############################################################################
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# boards/arm/sama5/giant-board/helpers/netusb-up.sh
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#
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# Licensed to the Apache Software Foundation (ASF) under one or more
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# contributor license agreements. See the NOTICE file distributed with
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# this work for additional information regarding copyright ownership. The
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# ASF licenses this file to you under the Apache License, Version 2.0 (the
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# "License"); you may not use this file except in compliance with the
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# License. You may obtain a copy of the License at
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#
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# http://www.apache.org/licenses/LICENSE-2.0
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#
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# Unless required by applicable law or agreed to in writing, software
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# distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
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# WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
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# License for the specific language governing permissions and limitations
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# under the License.
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#
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############################################################################/
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set -x
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# This script can be used to set up the USB Ethernet Gadget interfaces
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# on Linux. Tested on Ubuntu 19.10, kernel 5.3.0-24-generic
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#
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# You may have to change the IF_HOST variable to match your network interface.
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# USB Ethernet Gadget interface
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IF_USB=usb0
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# external interface
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IF_HOST=wlp0s20f3
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IP_NET="10.0.0.0/24"
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IP_NETMASK="255.255.255.0"
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IP_BROADCAST="10.0.0.255"
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IP_HOST="10.0.0.1"
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IP_NUTTX="10.0.0.2"
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sudo ifconfig $IF_USB up
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ifconfig -a
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sudo ifconfig $IF_USB add $IP_HOST
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sudo ifconfig $IF_USB:0 broadcast $IP_BROADCAST netmask $IP_NETMASK
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sudo ip route delete $IP_NET
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ip route add $IP_NET dev $IF_USB src $IP_HOST
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sudo ip route add $IP_NET dev $IF_USB src $IP_HOST
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sudo ip route add $IP_NUTTX/32 dev ens35u2 src $IP_HOST
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# nat to allow NuttX to access the internet
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sudo iptables -t nat -A POSTROUTING -o $IF_HOST -j MASQUERADE
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sudo iptables -A FORWARD -i $IF_HOST -o $IF_USB -m state --state RELATED,ESTABLISHED -j ACCEPT
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sudo iptables -A FORWARD -i $IF_USB -o $IF_HOST -j ACCEPT
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ip route show
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# pinging the nuttx system should work now
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ping -c 1 $IP_NUTTX
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