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|
#!/bin/bash
# SPDX-License-Identifier: GPL-2.0
# Test for "tc action mirred egress mirror" when the underlay route points at a
# team device.
#
# +----------------------+ +----------------------+
# | H1 | | H2 |
# | + $h1.333 | | $h1.555 + |
# | | 192.0.2.1/28 | | 192.0.2.18/28 | |
# +----|-----------------+ +----------------|-----+
# | $h1 |
# +---------------------------------+------------------------------+
# |
# +--------------------------------------|------------------------------------+
# | SW o---> mirror |
# | | |
# | +----------------------------------+------------------------------+ |
# | | $swp1 | |
# | + $swp1.333 $swp1.555 + |
# | 192.0.2.2/28 192.0.2.17/28 |
# | |
# | |
# | + gt4 (gretap) ,-> + lag1 (team) |
# | loc=192.0.2.129 | | 192.0.2.129/28 |
# | rem=192.0.2.130 --' | |
# | ttl=100 | |
# | tos=inherit | |
# | _____________________|______________________ |
# | / \ |
# | / \ |
# | + $swp3 + $swp4 |
# +---|------------------------------------------------|----------------------+
# | |
# +---|------------------------------------------------|----------------------+
# | + $h3 + $h4 H3 |
# | \ / |
# | \____________________________________________/ |
# | | |
# | + lag2 (team) |
# | 192.0.2.130/28 |
# | |
# +---------------------------------------------------------------------------+
ALL_TESTS="
test_mirror_gretap_first
test_mirror_gretap_second
"
NUM_NETIFS=6
source lib.sh
source mirror_lib.sh
source mirror_gre_lib.sh
require_command $ARPING
vlan_host_create()
{
local if_name=$1; shift
local vid=$1; shift
local vrf_name=$1; shift
local ips=("${@}")
vrf_create $vrf_name
ip link set dev $vrf_name up
vlan_create $if_name $vid $vrf_name "${ips[@]}"
}
vlan_host_destroy()
{
local if_name=$1; shift
local vid=$1; shift
local vrf_name=$1; shift
vlan_destroy $if_name $vid
ip link set dev $vrf_name down
vrf_destroy $vrf_name
}
h1_create()
{
vlan_host_create $h1 333 vrf-h1 192.0.2.1/28
ip -4 route add 192.0.2.16/28 vrf vrf-h1 nexthop via 192.0.2.2
}
h1_destroy()
{
ip -4 route del 192.0.2.16/28 vrf vrf-h1
vlan_host_destroy $h1 333 vrf-h1
}
h2_create()
{
vlan_host_create $h1 555 vrf-h2 192.0.2.18/28
ip -4 route add 192.0.2.0/28 vrf vrf-h2 nexthop via 192.0.2.17
}
h2_destroy()
{
ip -4 route del 192.0.2.0/28 vrf vrf-h2
vlan_host_destroy $h1 555 vrf-h2
}
h3_create_team()
{
team_create lag2 lacp $h3 $h4
__simple_if_init lag2 vrf-h3 192.0.2.130/32
ip -4 route add vrf vrf-h3 192.0.2.129/32 dev lag2
}
h3_destroy_team()
{
ip -4 route del vrf vrf-h3 192.0.2.129/32 dev lag2
__simple_if_fini lag2 192.0.2.130/32
team_destroy lag2
ip link set dev $h3 down
ip link set dev $h4 down
}
h3_create()
{
vrf_create vrf-h3
ip link set dev vrf-h3 up
tc qdisc add dev $h3 clsact
tc qdisc add dev $h4 clsact
h3_create_team
}
h3_destroy()
{
h3_destroy_team
tc qdisc del dev $h4 clsact
tc qdisc del dev $h3 clsact
ip link set dev vrf-h3 down
vrf_destroy vrf-h3
}
switch_create()
{
ip link set dev $swp1 up
tc qdisc add dev $swp1 clsact
vlan_create $swp1 333 "" 192.0.2.2/28
vlan_create $swp1 555 "" 192.0.2.17/28
tunnel_create gt4 gretap 192.0.2.129 192.0.2.130 \
ttl 100 tos inherit
ip link set dev $swp3 up
ip link set dev $swp4 up
team_create lag1 lacp $swp3 $swp4
__addr_add_del lag1 add 192.0.2.129/32
ip -4 route add 192.0.2.130/32 dev lag1
}
switch_destroy()
{
ip -4 route del 192.0.2.130/32 dev lag1
__addr_add_del lag1 del 192.0.2.129/32
team_destroy lag1
ip link set dev $swp4 down
ip link set dev $swp3 down
tunnel_destroy gt4
vlan_destroy $swp1 555
vlan_destroy $swp1 333
tc qdisc del dev $swp1 clsact
ip link set dev $swp1 down
}
setup_prepare()
{
h1=${NETIFS[p1]}
swp1=${NETIFS[p2]}
swp3=${NETIFS[p3]}
h3=${NETIFS[p4]}
swp4=${NETIFS[p5]}
h4=${NETIFS[p6]}
vrf_prepare
ip link set dev $h1 up
h1_create
h2_create
h3_create
switch_create
trap_install $h3 ingress
trap_install $h4 ingress
}
cleanup()
{
pre_cleanup
trap_uninstall $h4 ingress
trap_uninstall $h3 ingress
switch_destroy
h3_destroy
h2_destroy
h1_destroy
ip link set dev $h1 down
vrf_cleanup
}
test_lag_slave()
{
local up_dev=$1; shift
local down_dev=$1; shift
local what=$1; shift
RET=0
mirror_install $swp1 ingress gt4 \
"proto 802.1q flower vlan_id 333 $tcflags"
# Move $down_dev away from the team. That will prompt change in
# txability of the connected device, without changing its upness. The
# driver should notice the txability change and move the traffic to the
# other slave.
ip link set dev $down_dev nomaster
sleep 2
mirror_test vrf-h1 192.0.2.1 192.0.2.18 $up_dev 1 10
# Test lack of connectivity when neither slave is txable.
ip link set dev $up_dev nomaster
sleep 2
mirror_test vrf-h1 192.0.2.1 192.0.2.18 $h3 1 0
mirror_test vrf-h1 192.0.2.1 192.0.2.18 $h4 1 0
mirror_uninstall $swp1 ingress
# Recreate H3's team device, because mlxsw, which this test is
# predominantly mean to test, requires a bottom-up construction and
# doesn't allow enslavement to a device that already has an upper.
h3_destroy_team
h3_create_team
# Wait for ${h,swp}{3,4}.
setup_wait
log_test "$what ($tcflags)"
}
test_mirror_gretap_first()
{
test_lag_slave $h3 $h4 "mirror to gretap: LAG first slave"
}
test_mirror_gretap_second()
{
test_lag_slave $h4 $h3 "mirror to gretap: LAG second slave"
}
test_all()
{
slow_path_trap_install $swp1 ingress
slow_path_trap_install $swp1 egress
tests_run
slow_path_trap_uninstall $swp1 egress
slow_path_trap_uninstall $swp1 ingress
}
trap cleanup EXIT
setup_prepare
setup_wait
tcflags="skip_hw"
test_all
if ! tc_offload_check; then
echo "WARN: Could not test offloaded functionality"
else
tcflags="skip_sw"
test_all
fi
exit $EXIT_STATUS
|
