tools/testing/selftests/net/hsr/prp_ping.sh

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

File Facts

System
Linux kernel
Corpus path
tools/testing/selftests/net/hsr/prp_ping.sh
Extension
.sh
Size
3573 bytes
Lines
148
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/bash
# SPDX-License-Identifier: GPL-2.0

ipv6=true

source ./hsr_common.sh

optstring="h4"
usage() {
	echo "Usage: $0 [OPTION]"
	echo -e "\t-4: IPv4 only: disable IPv6 tests (default: test both IPv4 and IPv6)"
}

while getopts "$optstring" option;do
	case "$option" in
	"h")
		usage "$0"
		exit 0
		;;
	"4")
		ipv6=false
		;;
	"?")
		usage "$0"
		exit 1
		;;
esac
done

setup_prp_interfaces()
{
	echo "INFO: Preparing interfaces for PRP"
# Two PRP nodes, connected by two links (treated as LAN A and LAN B).
#
#       vethA ----- vethA
#     prp1             prp2
#       vethB ----- vethB
#
#     node1           node2

	# Interfaces
	# shellcheck disable=SC2154 # variables assigned by setup_ns
	ip link add vethA netns "$node1" type veth peer name vethA netns "$node2"
	ip link add vethB netns "$node1" type veth peer name vethB netns "$node2"

	# MAC addresses will be copied from LAN A interface
	ip -net "$node1" link set address 00:11:22:00:00:01 dev vethA
	ip -net "$node2" link set address 00:11:22:00:00:02 dev vethA

	# PRP
	ip -net "$node1" link add name prp1 type hsr \
		slave1 vethA slave2 vethB supervision 45 proto 1
	ip -net "$node2" link add name prp2 type hsr \
		slave1 vethA slave2 vethB supervision 45 proto 1

	# IP addresses
	ip -net "$node1" addr add 100.64.0.1/24 dev prp1
	ip -net "$node1" addr add dead:beef:0::1/64 dev prp1 nodad
	ip -net "$node2" addr add 100.64.0.2/24 dev prp2
	ip -net "$node2" addr add dead:beef:0::2/64 dev prp2 nodad

	# All links up
	ip -net "$node1" link set vethA up
	ip -net "$node1" link set vethB up
	ip -net "$node1" link set prp1 up

	ip -net "$node2" link set vethA up
	ip -net "$node2" link set vethB up
	ip -net "$node2" link set prp2 up
}

Annotation

Implementation Notes