tools/testing/selftests/net/netdevice.sh

Source file repositories/reference/linux-study-clean/tools/testing/selftests/net/netdevice.sh

File Facts

System
Linux kernel
Corpus path
tools/testing/selftests/net/netdevice.sh
Extension
.sh
Size
5829 bytes
Lines
258
Domain
Support Tooling And Documentation
Bucket
tools
Inferred role
Support Tooling And Documentation: tools
Status
atlas-only

Why This File Exists

Repository support layer: documentation, build tooling, samples, user-space helper tools, generated initramfs support, licenses, and validation utilities.

Dependency Surface

Detected Declarations

Annotated Snippet

#!/bin/sh
# SPDX-License-Identifier: GPL-2.0
#
# This test is for checking network interface
# For the moment it tests only ethernet interface (but wifi could be easily added)
#
# We assume that all network driver are loaded
# if not they probably have failed earlier in the boot process and their logged error will be catched by another test
#

# Kselftest framework requirement - SKIP code is 4.
ksft_skip=4

# this function will try to up the interface
# if already up, nothing done
# arg1: network interface name
kci_net_start()
{
	netdev=$1

	ip link show "$netdev" |grep -q UP
	if [ $? -eq 0 ];then
		echo "SKIP: $netdev: interface already up"
		return $ksft_skip
	fi

	ip link set "$netdev" up
	if [ $? -ne 0 ];then
		echo "FAIL: $netdev: Fail to up interface"
		return 1
	else
		echo "PASS: $netdev: set interface up"
		NETDEV_STARTED=1
	fi
	return 0
}

# this function will try to setup an IP and MAC address on a network interface
# Doing nothing if the interface was already up
# arg1: network interface name
kci_net_setup()
{
	netdev=$1

	# do nothing if the interface was already up
	if [ $NETDEV_STARTED -eq 0 ];then
		return 0
	fi

	MACADDR='02:03:04:05:06:07'
	ip link set dev $netdev address "$MACADDR"
	if [ $? -ne 0 ];then
		echo "FAIL: $netdev: Cannot set MAC address"
	else
		ip link show $netdev |grep -q "$MACADDR"
		if [ $? -eq 0 ];then
			echo "PASS: $netdev: set MAC address"
		else
			echo "FAIL: $netdev: Cannot set MAC address"
		fi
	fi

	#check that the interface did not already have an IP
	ip address show "$netdev" |grep '^[[:space:]]*inet'
	if [ $? -eq 0 ];then
		echo "SKIP: $netdev: already have an IP"
		return $ksft_skip
	fi

	if [ "$veth_created" ]; then

Annotation

Implementation Notes