#!/bin/bash
# SPDX-License-Identifier: GPL-2.0
# This test uses standard topology for testing gretap. See
# mirror_gre_topo_lib.sh for more details.
#
# Test for "tc action mirred egress mirror" when the device to mirror to is a
# gretap or ip6gretap netdevice. Expect that the packets come out encapsulated,
# and another gretap / ip6gretap netdevice is then capable of decapsulating the
# traffic. Test that the payload is what is expected (ICMP ping request or
# reply, depending on test).
ALL_TESTS="
test_gretap
test_ip6gretap
test_gretap_mac
test_ip6gretap_mac
test_two_spans
"
NUM_NETIFS=6
source lib.sh
source mirror_lib.sh
source mirror_gre_lib.sh
source mirror_gre_topo_lib.sh
setup_prepare()
{
h1=${NETIFS[p1]}
swp1=${NETIFS[p2]}
swp2=${NETIFS[p3]}
h2=${NETIFS[p4]}
swp3=${NETIFS[p5]}
h3=${NETIFS[p6]}
vrf_prepare
mirror_gre_topo_create
ip address add dev $swp3 192.0.2.129/28
ip address add dev $h3 192.0.2.130/28
ip address add dev $swp3 2001:db8:2::1/64
ip address add dev $h3 2001:db8:2::2/64
}
cleanup()
{
pre_cleanup
ip address del dev $h3 2001:db8:2::2/64
ip address del dev $swp3 2001:db8:2::1/64
ip address del dev $h3 192.0.2.130/28
ip address del dev $swp3 192.0.2.129/28
mirror_gre_topo_destroy
vrf_cleanup
}
test_span_gre_mac()
{
local tundev=$1; shift
local direction=$1; shift
local what=$1; shift
case "$direction" in
ingress) local src_mac=$(mac_get $h1); local dst_mac=$(mac_get $h2)
;;
egress) local src_mac=$(mac_get $h2); local dst_mac=$(mac_get $h1)
;;
esac
RET=0
mirror_install $swp1 $direction $tundev "matchall"
icmp_capture_install h3-${tundev} "src_mac $src_mac dst_mac $dst_mac"
mirror_test v$h1 192.0.2.1 192.0.2.2 h3-${tundev} 100 10
icmp_capture_uninstall h3-${tundev}
mirror_uninstall $swp1 $direction
log_test "$direction $what: envelope MAC"
}
test_two_spans()
{
RET=0
mirror_install $swp1 ingress gt4 "matchall"
mirror_install $swp1 egress gt6 "matchall"
quick_test_span_gre_dir gt4 8 0
quick_test_span_gre_dir gt6 0 8
mirror_uninstall $swp1 ingress
fail_test_span_gre_dir gt4 8 0
quick_test_span_gre_dir gt6 0 8
mirror_install $swp1 ingress gt4 "matchall"
mirror_uninstall $swp1 egress
quick_test_span_gre_dir gt4 8 0
fail_test_span_gre_dir gt6 0 8
mirror_uninstall $swp1 ingress
log_test "two simultaneously configured mirrors"
}
test_gretap()
{
full_test_span_gre_dir gt4 ingress 8 0 "mirror to gretap"
full_test_span_gre_dir gt4 egress 0 8 "mirror to gretap"
}
test_ip6gretap()
{
full_test_span_gre_dir gt6 ingress 8 0 "mirror to ip6gretap"
full_test_span_gre_dir gt6 egress 0 8 "mirror to ip6gretap"
}
test_gretap_mac()
{
test_span_gre_mac gt4 ingress "mirror to gretap"
test_span_gre_mac gt4 egress "mirror to gretap"
}
test_ip6gretap_mac()
{
test_span_gre_mac gt6 ingress "mirror to ip6gretap"
test_span_gre_mac gt6 egress "mirror to ip6gretap"
}
trap cleanup EXIT
setup_prepare
setup_wait
tests_run
exit $EXIT_STATUS
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