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passt/test/passt_in_ns/udp
David Gibson 58e6d68599 test: Clarify test for spliced inbound transfers
The tests in pasta/tcp and pasta/udp for inbound transfers have the server
listening within the namespace explicitly bound to 127.0.0.1 or ::1.  This
only works because of the behaviour of inbound splice connections, which
always appear with both source and destination addresses as loopback in
the namespace.  That's not an inherent property for "spliced" connections
and arguably an undesirable one.  Also update the test names to make it
clearer that these tests are expecting to exercise the "splice" path.

Interestingly this was already correct for the equivalent passt_in_ns/*,
although we also update the test names for clarity there.

Note that there are similar issues in some of the podman tests, addressed
in https://github.com/containers/podman/pull/24064

Signed-off-by: David Gibson <david@gibson.dropbear.id.au>
Signed-off-by: Stefano Brivio <sbrivio@redhat.com>
2024-10-18 20:28:00 +02:00

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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/udp - Check UDP functionality for passt in ns and pasta
#
# Copyright (c) 2021 Red Hat GmbH
# Author: Stefano Brivio <sbrivio@redhat.com>
gtools socat ip jq
nstools socat ip jq
htools socat ip jq
set MAP_HOST4 192.0.2.1
set MAP_HOST6 2001:db8:9a55::1
set MAP_NS4 192.0.2.2
set MAP_NS6 2001:db8:9a55::2
set TEMP __STATEDIR__/test.bin
set TEMP_NS __STATEDIR__/test_ns.bin
test UDP/IPv4: host to guest
guestb socat -u UDP4-LISTEN:10001,null-eof OPEN:test.bin,create,trunc
sleep 1
host socat -u OPEN:__BASEPATH__/medium.bin UDP4:127.0.0.1:10001,shut-null
guestw
guest cmp test.bin /root/medium.bin
test UDP/IPv4: host to ns (recvmmsg/sendmmsg)
nsb socat -u UDP4-LISTEN:10002,null-eof OPEN:__TEMP_NS__,create,trunc
sleep 1
host socat -u OPEN:__BASEPATH__/medium.bin UDP4:127.0.0.1:10002,shut-null
nsw
check cmp __TEMP_NS__ __BASEPATH__/medium.bin
test UDP/IPv4: guest to host
hostb socat -u UDP4-LISTEN:10003,null-eof OPEN:__TEMP__,create,trunc
sleep 1
guest socat -u OPEN:/root/medium.bin UDP4:__MAP_HOST4__:10003,shut-null
hostw
check cmp __TEMP__ __BASEPATH__/medium.bin
test UDP/IPv4: guest to ns
nsb socat -u UDP4-LISTEN:10002,null-eof OPEN:__TEMP_NS__,create,trunc
sleep 1
guest socat -u OPEN:/root/medium.bin UDP4:__MAP_NS4__:10002,shut-null
nsw
check cmp __TEMP_NS__ __BASEPATH__/medium.bin
test UDP/IPv4: ns to host (recvmmsg/sendmmsg)
hostb socat -u UDP4-LISTEN:10003,null-eof OPEN:__TEMP__,create,trunc
sleep 1
ns socat -u OPEN:__BASEPATH__/medium.bin UDP4:127.0.0.1:10003,shut-null
hostw
check cmp __TEMP__ __BASEPATH__/medium.bin
test UDP/IPv4: ns to host (via tap)
hostb socat -u UDP4-LISTEN:10003,null-eof OPEN:__TEMP__,create,trunc
sleep 1
ns socat -u OPEN:__BASEPATH__/medium.bin UDP4:__MAP_HOST4__:10003,shut-null
hostw
check cmp __TEMP__ __BASEPATH__/medium.bin
test UDP/IPv4: ns to guest (using loopback address)
guestb socat -u UDP4-LISTEN:10001,null-eof OPEN:test.bin,create,trunc
sleep 1
ns socat -u OPEN:__BASEPATH__/medium.bin UDP4:127.0.0.1:10001,shut-null
guestw
guest cmp test.bin /root/medium.bin
test UDP/IPv4: ns to guest (using namespace address)
guestb socat -u UDP4-LISTEN:10001,null-eof OPEN:test.bin,create,trunc
nsout IFNAME ip -j link show | jq -rM '.[] | select(.link_type == "ether").ifname'
nsout ADDR ip -j -4 addr show|jq -rM '.[] | select(.ifname == "__IFNAME__").addr_info[0].local'
sleep 1
ns socat -u OPEN:__BASEPATH__/medium.bin UDP4:__ADDR__:10001,shut-null
guestw
guest cmp test.bin /root/medium.bin
test UDP/IPv6: host to guest
guestb socat -u UDP6-LISTEN:10001,null-eof OPEN:test.bin,create,trunc
sleep 1
host socat -u OPEN:__BASEPATH__/medium.bin UDP6:[::1]:10001,shut-null
guestw
guest cmp test.bin /root/medium.bin
test UDP/IPv6: host to ns (recvmmsg/sendmmsg)
nsb socat -u UDP6-LISTEN:10002,null-eof OPEN:__TEMP_NS__,create,trunc
sleep 1
host socat -u OPEN:__BASEPATH__/medium.bin UDP6:[::1]:10002,shut-null
nsw
check cmp __TEMP_NS__ __BASEPATH__/medium.bin
test UDP/IPv6: guest to host
hostb socat -u UDP6-LISTEN:10003,null-eof OPEN:__TEMP__,create,trunc
sleep 1
guest socat -u OPEN:/root/medium.bin UDP6:[__MAP_HOST6__]:10003,shut-null
hostw
check cmp __TEMP__ __BASEPATH__/medium.bin
test UDP/IPv6: guest to ns
nsb socat -u UDP6-LISTEN:10002,null-eof OPEN:__TEMP_NS__,create,trunc
sleep 1
guest socat -u OPEN:/root/medium.bin UDP6:[__MAP_NS6__]:10002,shut-null
nsw
check cmp __TEMP_NS__ __BASEPATH__/medium.bin
test UDP/IPv6: ns to host (recvmmsg/sendmmsg)
hostb socat -u UDP6-LISTEN:10003,null-eof OPEN:__TEMP__,create,trunc
sleep 1
ns socat -u OPEN:__BASEPATH__/medium.bin UDP6:[::1]:10003,shut-null
hostw
check cmp __TEMP__ __BASEPATH__/medium.bin
test UDP/IPv6: ns to host (via tap)
hostb socat -u UDP6-LISTEN:10003,null-eof OPEN:__TEMP__,create,trunc
sleep 1
ns socat -u OPEN:__BASEPATH__/medium.bin UDP6:[__MAP_HOST6__]:10003,shut-null
hostw
check cmp __TEMP__ __BASEPATH__/medium.bin
test UDP/IPv6: ns to guest (using loopback address)
guestb socat -u UDP6-LISTEN:10001,null-eof OPEN:test.bin,create,trunc
sleep 1
ns socat -u OPEN:__BASEPATH__/medium.bin UDP6:[::1]:10001,shut-null
guestw
guest cmp test.bin /root/medium.bin
test UDP/IPv6: ns to guest (using namespace address)
guestb socat -u UDP6-LISTEN:10001,null-eof OPEN:test.bin,create,trunc
nsout IFNAME ip -j link show | jq -rM '.[] | select(.link_type == "ether").ifname'
nsout ADDR6 ip -j -6 addr show|jq -rM '.[] | select(.ifname == "__IFNAME__").addr_info[0].local'
sleep 1
ns socat -u OPEN:__BASEPATH__/medium.bin UDP6:[__ADDR6__]:10001,shut-null
guestw
guest cmp test.bin /root/medium.bin