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# SPDX-License-Identifier: GPL-2.0
# This is the standard topology for testing mirroring to gretap and ip6gretap
# netdevices. The tests that use it tweak it in one way or another--importantly,
# $swp3 and $h3 need to have addresses set up.
#
# +---------------------+ +---------------------+
# | H1 | | H2 |
# | + $h1 | | $h2 + |
# | | 192.0.2.1/28 | | 192.0.2.2/28 | |
# +-----|---------------+ +---------------|-----+
# | |
# +-----|-------------------------------------------------------------|-----+
# | SW o--> mirror | |
# | +---|-------------------------------------------------------------|---+ |
# | | + $swp1 BR $swp2 + | |
# | +---------------------------------------------------------------------+ |
# | |
# | + $swp3 + gt6 (ip6gretap) + gt4 (gretap) |
# | | : loc=2001:db8:2::1 : loc=192.0.2.129 |
# | | : rem=2001:db8:2::2 : rem=192.0.2.130 |
# | | : ttl=100 : ttl=100 |
# | | : tos=inherit : tos=inherit |
# | | : : |
# +-----|---------------------:----------------------:----------------------+
# | : :
# +-----|---------------------:----------------------:----------------------+
# | H3 + $h3 + h3-gt6 (ip6gretap) + h3-gt4 (gretap) |
# | loc=2001:db8:2::2 loc=192.0.2.130 |
# | rem=2001:db8:2::1 rem=192.0.2.129 |
# | ttl=100 ttl=100 |
# | tos=inherit tos=inherit |
# | |
# +-------------------------------------------------------------------------+
mirror_gre_topo_h1_create()
{
simple_if_init $h1 192.0.2.1/28
}
mirror_gre_topo_h1_destroy()
{
simple_if_fini $h1 192.0.2.1/28
}
mirror_gre_topo_h2_create()
{
simple_if_init $h2 192.0.2.2/28
}
mirror_gre_topo_h2_destroy()
{
simple_if_fini $h2 192.0.2.2/28
}
mirror_gre_topo_h3_create()
{
simple_if_init $h3
tunnel_create h3-gt4 gretap 192.0.2.130 192.0.2.129
ip link set h3-gt4 vrf v$h3
matchall_sink_create h3-gt4
tunnel_create h3-gt6 ip6gretap 2001:db8:2::2 2001:db8:2::1
ip link set h3-gt6 vrf v$h3
matchall_sink_create h3-gt6
}
mirror_gre_topo_h3_destroy()
{
tunnel_destroy h3-gt6
tunnel_destroy h3-gt4
simple_if_fini $h3
}
mirror_gre_topo_switch_create()
{
ip link set dev $swp3 up
ip link add name br1 type bridge vlan_filtering 1
ip link set dev br1 up
ip link set dev $swp1 master br1
ip link set dev $swp1 up
ip link set dev $swp2 master br1
ip link set dev $swp2 up
tunnel_create gt4 gretap 192.0.2.129 192.0.2.130 \
ttl 100 tos inherit
tunnel_create gt6 ip6gretap 2001:db8:2::1 2001:db8:2::2 \
ttl 100 tos inherit allow-localremote
tc qdisc add dev $swp1 clsact
}
mirror_gre_topo_switch_destroy()
{
tc qdisc del dev $swp1 clsact
tunnel_destroy gt6
tunnel_destroy gt4
ip link set dev $swp1 down
ip link set dev $swp2 down
ip link del dev br1
ip link set dev $swp3 down
}
mirror_gre_topo_create()
{
mirror_gre_topo_h1_create
mirror_gre_topo_h2_create
mirror_gre_topo_h3_create
mirror_gre_topo_switch_create
}
mirror_gre_topo_destroy()
{
mirror_gre_topo_switch_destroy
mirror_gre_topo_h3_destroy
mirror_gre_topo_h2_destroy
mirror_gre_topo_h1_destroy
}
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