Date: Thu, 30 Jul 2026 18:11:54 +0000 From: Pouria Mousavizadeh Tehrani <pouria@FreeBSD.org> To: src-committers@FreeBSD.org, dev-commits-src-all@FreeBSD.org, dev-commits-src-main@FreeBSD.org Subject: git: fdf86df72a32 - main - if_gre: Add a regression test Message-ID: <6a6b93ea.3edae.75c4be1c@gitrepo.freebsd.org>
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The branch main has been updated by pouria: URL: https://cgit.FreeBSD.org/src/commit/?id=fdf86df72a32e5d8ca729220a5c787265f8b6682 commit fdf86df72a32e5d8ca729220a5c787265f8b6682 Author: Pouria Mousavizadeh Tehrani <pouria@FreeBSD.org> AuthorDate: 2026-07-30 17:54:54 +0000 Commit: Pouria Mousavizadeh Tehrani <pouria@FreeBSD.org> CommitDate: 2026-07-30 17:56:25 +0000 if_gre: Add a regression test Add a regression test for gre(4) to make sure all of the gre capabilities and options are working as intended. Reviewed by: markj Differential Revision: https://reviews.freebsd.org/D55363 --- tests/sys/net/Makefile | 1 + tests/sys/net/if_gre.sh | 396 ++++++++++++++++++++++++++++++++++++++++++++++++ 2 files changed, 397 insertions(+) diff --git a/tests/sys/net/Makefile b/tests/sys/net/Makefile index 394fbea12dcd..36b1de11e0cd 100644 --- a/tests/sys/net/Makefile +++ b/tests/sys/net/Makefile @@ -8,6 +8,7 @@ ATF_TESTS_SH+= if_epair_test ATF_TESTS_SH+= if_bridge_test ATF_TESTS_SH+= if_clone_test ATF_TESTS_SH+= if_gif +ATF_TESTS_SH+= if_gre ATF_TESTS_SH+= if_lagg_test ATF_TESTS_SH+= if_stf ATF_TESTS_SH+= if_tun_test diff --git a/tests/sys/net/if_gre.sh b/tests/sys/net/if_gre.sh new file mode 100644 index 000000000000..ffa76a923bb5 --- /dev/null +++ b/tests/sys/net/if_gre.sh @@ -0,0 +1,396 @@ +# +# Copyright (c) 2026 Pouria Mousavizadeh Tehrani <pouria@FreeBSD.org> +# +# SPDX-License-Identifier: BSD-2-Clause +# + +. $(atf_get_srcdir)/../common/vnet.subr + +atf_test_case "gre4_basic" "cleanup" +gre4_basic_head() +{ + atf_set descr 'Create a gre(4) tunnel over ipv4 underlay' + atf_set require.user root + atf_set require.kmods if_gre +} +gre4_basic_body() +{ + local epair endpoint1 endpoint2 + local v4tunnel1 v4tunnel2 v6tunnel1 v6tunnel2 + + endpoint1=192.168.2.1 + endpoint2=192.168.2.2 + v4tunnel1=169.254.0.1 + v4tunnel2=169.254.0.2 + v6tunnel1=2001:db8::1 + v6tunnel2=2001:db8::2 + + vnet_init + epair=$(vnet_mkepair) + vnet_mkjail gretest1 ${epair}a + vnet_mkjail gretest2 ${epair}b + + ifconfig -j gretest1 ${epair}a inet ${endpoint1}/30 up + ifconfig -j gretest2 ${epair}b inet ${endpoint2}/30 up + + # Sanity check + atf_check -o ignore \ + jexec gretest1 ping -c 1 -t 3 ${endpoint2} + atf_check -o ignore \ + jexec gretest2 ping -c 1 -t 3 ${endpoint1} + + atf_check ifconfig -j gretest1 gre1 create \ + inet tunnel ${endpoint1} ${endpoint2} up + atf_check ifconfig -j gretest2 gre1 create \ + inet tunnel ${endpoint2} ${endpoint1} up + + atf_check ifconfig -j gretest1 gre1 inet ${v4tunnel1} ${v4tunnel2} + atf_check ifconfig -j gretest1 gre1 inet6 ${v6tunnel1} + atf_check ifconfig -j gretest2 gre1 inet ${v4tunnel2} ${v4tunnel1} + atf_check ifconfig -j gretest2 gre1 inet6 ${v6tunnel2} + + # Tunnel test + atf_check -o ignore jexec gretest1 ping -nc 1 -t 1 $v4tunnel2 + atf_check -o ignore jexec gretest2 ping -nc 1 -t 1 $v4tunnel1 + atf_check -o ignore jexec gretest1 ping -nc 1 -t 1 $v6tunnel2 + atf_check -o ignore jexec gretest2 ping -nc 1 -t 1 $v6tunnel1 +} +gre4_basic_cleanup() +{ + vnet_cleanup +} + +atf_test_case "gre6_basic" "cleanup" +gre6_basic_head() +{ + atf_set descr 'Create a gre(4) tunnel over ipv6 underlay' + atf_set require.user root + atf_set require.kmods if_gre +} +gre6_basic_body() +{ + local epair endpoint1 endpoint2 + local v4tunnel1 v4tunnel2 v6tunnel1 v6tunnel2 + + endpoint1=3fff::1 + endpoint2=3fff::2 + v4tunnel1=169.254.0.1 + v4tunnel2=169.254.0.2 + v6tunnel1=2001:db8::1 + v6tunnel2=2001:db8::2 + + vnet_init + epair=$(vnet_mkepair) + vnet_mkjail gretest1 ${epair}a + vnet_mkjail gretest2 ${epair}b + + ifconfig -j gretest1 ${epair}a inet6 ${endpoint1} up + ifconfig -j gretest2 ${epair}b inet6 ${endpoint2} up + + # Sanity check + atf_check -o ignore \ + jexec gretest1 ping -c 1 -t 3 ${endpoint2} + atf_check -o ignore \ + jexec gretest2 ping -c 1 -t 3 ${endpoint1} + + atf_check ifconfig -j gretest1 gre1 create \ + inet6 tunnel ${endpoint1} ${endpoint2} up + atf_check ifconfig -j gretest2 gre1 create \ + inet6 tunnel ${endpoint2} ${endpoint1} up + + atf_check ifconfig -j gretest1 gre1 inet ${v4tunnel1} ${v4tunnel2} + atf_check ifconfig -j gretest1 gre1 inet6 ${v6tunnel1} + atf_check ifconfig -j gretest2 gre1 inet ${v4tunnel2} ${v4tunnel1} + atf_check ifconfig -j gretest2 gre1 inet6 ${v6tunnel2} + + # Tunnel test + atf_check -o ignore jexec gretest1 ping -nc 1 -t 1 $v4tunnel2 + atf_check -o ignore jexec gretest2 ping -nc 1 -t 1 $v4tunnel1 + atf_check -o ignore jexec gretest1 ping -nc 1 -t 1 $v6tunnel2 + atf_check -o ignore jexec gretest2 ping -nc 1 -t 1 $v6tunnel1 +} +gre6_basic_cleanup() +{ + vnet_cleanup +} + +atf_test_case "gre6_csum" "cleanup" +gre6_csum_head() +{ + atf_set descr 'Create a gre(4) tunnel over ipv6 underlay with checksum option' + atf_set require.user root + atf_set require.kmods if_gre +} +gre6_csum_body() +{ + local epair endpoint1 endpoint2 + local v4tunnel1 v4tunnel2 v6tunnel1 v6tunnel2 + + endpoint1=3fff::1 + endpoint2=3fff::2 + v4tunnel1=169.254.0.1 + v4tunnel2=169.254.0.2 + v6tunnel1=2001:db8::1 + v6tunnel2=2001:db8::2 + + vnet_init + epair=$(vnet_mkepair) + vnet_mkjail gretest1 ${epair}a + vnet_mkjail gretest2 ${epair}b + + ifconfig -j gretest1 ${epair}a inet6 ${endpoint1} up + ifconfig -j gretest2 ${epair}b inet6 ${endpoint2} up + + # Sanity check + atf_check -o ignore \ + jexec gretest1 ping -c 1 -t 3 ${endpoint2} + atf_check -o ignore \ + jexec gretest2 ping -c 1 -t 3 ${endpoint1} + + atf_check ifconfig -j gretest1 gre1 create \ + inet6 tunnel ${endpoint1} ${endpoint2} enable_csum up + atf_check ifconfig -j gretest2 gre1 create \ + inet6 tunnel ${endpoint2} ${endpoint1} enable_csum up + + atf_check ifconfig -j gretest1 gre1 inet ${v4tunnel1} ${v4tunnel2} + atf_check ifconfig -j gretest1 gre1 inet6 ${v6tunnel1} + atf_check ifconfig -j gretest2 gre1 inet ${v4tunnel2} ${v4tunnel1} + atf_check ifconfig -j gretest2 gre1 inet6 ${v6tunnel2} + + # ifconfig test + atf_check -o match:"ENABLE_CSUM" ifconfig -j gretest1 gre1 + atf_check -o match:"ENABLE_CSUM" ifconfig -j gretest2 gre1 + + # Tunnel test + atf_check -o ignore jexec gretest1 ping -nc 1 -t 1 $v4tunnel2 + atf_check -o ignore jexec gretest2 ping -nc 1 -t 1 $v4tunnel1 + atf_check -o ignore jexec gretest1 ping -nc 1 -t 1 $v6tunnel2 + atf_check -o ignore jexec gretest2 ping -nc 1 -t 1 $v6tunnel1 +} +gre6_csum_cleanup() +{ + vnet_cleanup +} + +atf_test_case "gre6_key" "cleanup" +gre6_key_head() +{ + atf_set descr 'Create a gre(4) tunnel over ipv6 underlay with gre key option' + atf_set require.user root + atf_set require.kmods if_gre +} +gre6_key_body() +{ + local epair endpoint1 endpoint2 + local v4tunnel1 v4tunnel2 v6tunnel1 v6tunnel2 + + endpoint1=3fff::1 + endpoint2=3fff::2 + v4tunnel1=169.254.0.1 + v4tunnel2=169.254.0.2 + v6tunnel1=2001:db8::1 + v6tunnel2=2001:db8::2 + + vnet_init + epair=$(vnet_mkepair) + vnet_mkjail gretest1 ${epair}a + vnet_mkjail gretest2 ${epair}b + + ifconfig -j gretest1 ${epair}a inet6 ${endpoint1} up + ifconfig -j gretest2 ${epair}b inet6 ${endpoint2} up + + # Sanity check + atf_check -o ignore \ + jexec gretest1 ping -c 1 -t 3 ${endpoint2} + atf_check -o ignore \ + jexec gretest2 ping -c 1 -t 3 ${endpoint1} + + atf_check ifconfig -j gretest1 gre1 create \ + inet6 tunnel ${endpoint1} ${endpoint2} grekey 10 up + atf_check ifconfig -j gretest2 gre1 create \ + inet6 tunnel ${endpoint2} ${endpoint1} grekey 10 up + + atf_check ifconfig -j gretest1 gre1 inet ${v4tunnel1} ${v4tunnel2} + atf_check ifconfig -j gretest1 gre1 inet6 ${v6tunnel1} + atf_check ifconfig -j gretest2 gre1 inet ${v4tunnel2} ${v4tunnel1} + atf_check ifconfig -j gretest2 gre1 inet6 ${v6tunnel2} + + # ifconfig test + atf_check -o match:"grekey: 0xa \(10\)" ifconfig -j gretest1 gre1 + atf_check -o match:"grekey: 0xa \(10\)" ifconfig -j gretest2 gre1 + + # Tunnel test + atf_check -o ignore jexec gretest1 ping -nc 1 -t 1 $v4tunnel2 + atf_check -o ignore jexec gretest2 ping -nc 1 -t 1 $v4tunnel1 + atf_check -o ignore jexec gretest1 ping -nc 1 -t 1 $v6tunnel2 + atf_check -o ignore jexec gretest2 ping -nc 1 -t 1 $v6tunnel1 +} +gre6_key_cleanup() +{ + vnet_cleanup +} + +atf_test_case "gre6_seq" "cleanup" +gre6_seq_head() +{ + atf_set descr 'Create a sequenced gre(4) tunnel over ipv6 underlay' + atf_set require.user root + atf_set require.kmods if_gre +} +gre6_seq_body() +{ + local epair endpoint1 endpoint2 + local v4tunnel1 v4tunnel2 v6tunnel1 v6tunnel2 + + endpoint1=3fff::1 + endpoint2=3fff::2 + v4tunnel1=169.254.0.1 + v4tunnel2=169.254.0.2 + v6tunnel1=2001:db8::1 + v6tunnel2=2001:db8::2 + + vnet_init + epair=$(vnet_mkepair) + vnet_mkjail gretest1 ${epair}a + vnet_mkjail gretest2 ${epair}b + + ifconfig -j gretest1 ${epair}a inet6 ${endpoint1} up + ifconfig -j gretest2 ${epair}b inet6 ${endpoint2} up + + # Sanity check + atf_check -o ignore \ + jexec gretest1 ping -c 1 -t 3 ${endpoint2} + atf_check -o ignore \ + jexec gretest2 ping -c 1 -t 3 ${endpoint1} + + atf_check ifconfig -j gretest1 gre1 create \ + inet6 tunnel ${endpoint1} ${endpoint2} enable_seq up + atf_check ifconfig -j gretest2 gre1 create \ + inet6 tunnel ${endpoint2} ${endpoint1} enable_seq up + + atf_check ifconfig -j gretest1 gre1 inet ${v4tunnel1} ${v4tunnel2} + atf_check ifconfig -j gretest1 gre1 inet6 ${v6tunnel1} + atf_check ifconfig -j gretest2 gre1 inet ${v4tunnel2} ${v4tunnel1} + atf_check ifconfig -j gretest2 gre1 inet6 ${v6tunnel2} + + # ifconfig test + atf_check -o match:"ENABLE_SEQ" ifconfig -j gretest1 gre1 + atf_check -o match:"ENABLE_SEQ" ifconfig -j gretest2 gre1 + + # Tunnel test + atf_check -o ignore jexec gretest1 ping -nc 1 -t 1 $v4tunnel2 + atf_check -o ignore jexec gretest2 ping -nc 1 -t 1 $v4tunnel1 + atf_check -o ignore jexec gretest1 ping -nc 1 -t 1 $v6tunnel2 + atf_check -o ignore jexec gretest2 ping -nc 1 -t 1 $v6tunnel1 +} +gre6_seq_cleanup() +{ + vnet_cleanup +} + +atf_test_case "gre6_udpencap" "cleanup" +gre6_udpencap_head() +{ + atf_set descr 'Create a gre(4) over UDP tunnel with ipv6 underlay' + atf_set require.user root + atf_set require.kmods if_gre +} +gre6_udpencap_body() +{ + local epair endpoint1 endpoint2 + local v4tunnel1 v4tunnel2 v6tunnel1 v6tunnel2 + + endpoint1=3fff::1 + endpoint2=3fff::2 + v4tunnel1=169.254.0.1 + v4tunnel2=169.254.0.2 + v6tunnel1=2001:db8::1 + v6tunnel2=2001:db8::2 + + vnet_init + epair=$(vnet_mkepair) + vnet_mkjail gretest1 ${epair}a + vnet_mkjail gretest2 ${epair}b + + ifconfig -j gretest1 ${epair}a inet6 ${endpoint1} up + ifconfig -j gretest2 ${epair}b inet6 ${endpoint2} up + + # Sanity check + atf_check -o ignore \ + jexec gretest1 ping -c 1 -t 3 ${endpoint2} + atf_check -o ignore \ + jexec gretest2 ping -c 1 -t 3 ${endpoint1} + + atf_check ifconfig -j gretest1 gre1 create \ + inet6 tunnel ${endpoint1} ${endpoint2} udpencap up + atf_check ifconfig -j gretest2 gre1 create \ + inet6 tunnel ${endpoint2} ${endpoint1} udpencap udpport 55555 up + + atf_check ifconfig -j gretest1 gre1 inet ${v4tunnel1} ${v4tunnel2} + atf_check ifconfig -j gretest1 gre1 inet6 ${v6tunnel1} + atf_check ifconfig -j gretest2 gre1 inet ${v4tunnel2} ${v4tunnel1} + atf_check ifconfig -j gretest2 gre1 inet6 ${v6tunnel2} + + # ifconfig test + atf_check -o match:"UDPENCAP" ifconfig -j gretest1 gre1 + atf_check -o match:"udpport: 55555" ifconfig -j gretest2 gre1 + + # Tunnel test + atf_check -o ignore jexec gretest1 ping -nc 1 -t 1 $v4tunnel2 + atf_check -o ignore jexec gretest2 ping -nc 1 -t 1 $v4tunnel1 + atf_check -o ignore jexec gretest1 ping -nc 1 -t 1 $v6tunnel2 + atf_check -o ignore jexec gretest2 ping -nc 1 -t 1 $v6tunnel1 +} +gre6_udpencap_cleanup() +{ + vnet_cleanup +} + +atf_test_case "gre_blind_options" "cleanup" +gre_blind_options_head() +{ + atf_set descr 'Test gre(4) tunnel options without verifying its effect on dataplane.' + atf_set require.user root + atf_set require.kmods if_gre +} +gre_blind_options_body() +{ + local gre + + v4tunnel1=169.254.0.1 + v4tunnel2=169.254.0.2 + v6tunnel1=2001:db8::1 + v6tunnel2=2001:db8::2 + + vnet_init + vnet_mkjail gretest + + gre=$(ifconfig -j gretest gre create \ + enable_seq grekey 10 enable_csum udpencap udpport 55555 up) + + atf_check ifconfig -j gretest $gre inet ${v4tunnel1} ${v4tunnel2} + atf_check ifconfig -j gretest $gre inet6 ${v6tunnel1} + + # ifconfig test + atf_check -o match:"grekey: 0xa \(10\)" ifconfig -j gretest $gre + atf_check -o match:"ENABLE_CSUM" ifconfig -j gretest $gre + atf_check -o match:"ENABLE_SEQ" ifconfig -j gretest $gre + atf_check -o match:"UDPENCAP" ifconfig -j gretest $gre + atf_check -o match:"udpport: 55555" ifconfig -j gretest $gre +} +gre_blind_options_cleanup() +{ + vnet_cleanup +} + + +atf_init_test_cases() +{ + atf_add_test_case "gre4_basic" + atf_add_test_case "gre6_basic" + atf_add_test_case "gre6_csum" + atf_add_test_case "gre6_key" + atf_add_test_case "gre6_seq" + atf_add_test_case "gre6_udpencap" + atf_add_test_case "gre_blind_options" +}home | help
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