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# SPDX-License-Identifier: GPL-2.0-or-later
#
# PASST - Plug A Simple Socket Transport
# for qemu/UNIX domain socket mode
#
# PASTA - Pack A Subtle Tap Abstraction
# for network namespace/tap device mode
#
# test/passt_in_ns/icmp - Check ICMP/ICMPv6 functionality for passt in ns
#
# Copyright (c) 2021 Red Hat GmbH
# Author: Stefano Brivio <sbrivio@redhat.com>
#
# These tests can work reliably only within an isolated namespace: the host
# might have a net.ipv4.ping_group_range sysctl value not allowing pasta's gid
# to create "ping" sockets. Inside the namespace, there's a single group, which
# is allowed by default to create them.
nstools ip jq sleep
gtools ping ip jq
test ICMP echo: guest to ns
nsout IFNAME_NS ip -j link show | jq -rM '.[] | select(.link_type == "ether").ifname'
ns ip addr add 192.0.2.1/32 dev __IFNAME_NS__
guest ping -c1 -w1 192.0.2.1
ns ip addr del 192.0.2.1/32 dev __IFNAME_NS__
test ICMPv6 echo: guest to ns
ns ip addr add 2001:db8::1 dev __IFNAME_NS__ && sleep 2 # DAD
gout IFNAME ip -j link show | jq -rM '.[] | select(.link_type == "ether").ifname'
guest ping -c1 -w1 2001:db8::1
ns ip addr del 2001:db8::1 dev __IFNAME_NS__
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