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-rw-r--r--test/passt/udp52
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diff --git a/test/passt/udp b/test/passt/udp
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+# SPDX-License-Identifier: AGPL-3.0-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/udp - Check UDP functionality in passt mode
+#
+# Copyright (c) 2021 Red Hat GmbH
+# Author: Stefano Brivio <sbrivio@redhat.com>
+
+gtools socat tee grep cat ip jq md5sum cut
+htools printf dd socat tee grep cat ip jq md5sum cut
+
+test UDP/IPv4: host to guest
+temp TEMP
+temp SC_PID
+guestb (socat -u UDP4-LISTEN:10001 STDOUT & echo $! > __SC_PID__) | tee test.bin | (grep -qm1 "END_OF_TEST" && kill $(cat __SC_PID__))
+sleep 1
+host dd if=/dev/urandom bs=1k count=5 > __TEMP__ && printf "\nEND_OF_TEST\n" >> __TEMP__
+host socat -u OPEN:__TEMP__ UDP4:127.0.0.1:10001
+guestw
+hout HOST_MD5 md5sum __TEMP__ | cut -d' ' -f1
+gout GUEST_MD5 md5sum test.bin | cut -d' ' -f1
+check [ "__GUEST_MD5__" = "__HOST_MD5__" ]
+
+test UDP/IPv4: guest to host
+hostb (socat -u UDP4-LISTEN:10003,bind=127.0.0.1 STDOUT & echo $! > __SC_PID__) | tee __TEMP__ | (grep -qm1 "END_OF_TEST" && kill $(cat __SC_PID__))
+gout GW ip -j -4 route show|jq -rM '.[] | select(.dst == "default").gateway'
+guest socat -u OPEN:test.bin UDP4:__GW__:10003
+hostw
+hout HOST_MD5 md5sum __TEMP__ | cut -d' ' -f1
+check [ "__GUEST_MD5__" = "__HOST_MD5__" ]
+
+test UDP/IPv6: host to guest
+guestb (socat -u UDP6-LISTEN:10001 STDOUT & echo $! > sc.pid) | tee test.bin | (grep -qm1 "END_OF_TEST" && kill $(cat sc.pid))
+sleep 1
+host socat -u OPEN:__TEMP__ UDP6:[::1]:10001
+guestw
+gout GUEST_MD5 md5sum test.bin | cut -d' ' -f1
+check [ "__GUEST_MD5__" = "__HOST_MD5__" ]
+
+test UDP/IPv6: guest to host
+hostb (socat -u UDP6-LISTEN:10003,bind=[::1] STDOUT & echo $! > __SC_PID__) | tee __TEMP__ | (grep -qm1 "END_OF_TEST" && kill $(cat __SC_PID__))
+gout GW6 ip -j -6 route show|jq -rM '.[] | select(.dst == "default").gateway'
+gout IFNAME ip -j link show | jq -rM '.[] | select(.link_type == "ether").ifname'
+guest socat -u OPEN:test.bin UDP6:[__GW6__%__IFNAME__]:10003
+hostw
+hout HOST_MD5 md5sum __TEMP__ | cut -d' ' -f1
+check [ "__GUEST_MD5__" = "__HOST_MD5__" ]