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Commit 16585cbe authored by Petr Machata's avatar Petr Machata Committed by David S. Miller
Browse files

selftests: forwarding: Test mirror to gretap w/ bound dev 



Test mirroring to a gretap and an ip6gretap netdevice with a bound
device, where the tunnel device and the bound device are in different
VRFs (an overlay / underlay configuration).

Signed-off-by: default avatarPetr Machata <petrm@mellanox.com>
Reviewed-by: default avatarJiri Pirko <jiri@mellanox.com>
Signed-off-by: default avatarDavid S. Miller <davem@davemloft.net>
parent 304f009c

tools/testing/selftests/net/forwarding/mirror_gre_bound.sh

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Original line number Diff line number Diff line 
#!/bin/bash

# SPDX-License-Identifier: GPL-2.0



#   +---------------------+                             +---------------------+

#   | H1                  |                             |                  H2 |

#   |     + $h1           |                             |           $h2 +     |

#   |     | 192.0.2.1/28  |                             |  192.0.2.2/28 |     |

#   +-----|---------------+                             +---------------|-----+

#         |                                                             |

#   +-----|-------------------------------------------------------------|-----+

#   | SW  o--> mirror                                                   |     |

#   | +---|-------------------------------------------------------------|---+ |

#   | |   + $swp1                    BR                           $swp2 +   | |

#   | +---------------------------------------------------------------------+ |

#   |                                                                         |

#   | +---------------------------------------------------------------------+ |

#   | | OL                      + 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        | |

#   | +-------------------------:--|-------------------:--|-----------------+ |

#   |                           :  |                   :  |                   |

#   | +-------------------------:--|-------------------:--|-----------------+ |

#   | | UL                      :  |,---------------------'                 | |

#   | |   + $swp3               :  ||                  :                    | |

#   | |   | 192.0.2.129/28      :  vv                  :                    | |

#   | |   | 2001:db8:2::1/64    :  + ul (dummy)        :                    | |

#   | +---|---------------------:----------------------:--------------------+ |

#   +-----|---------------------:----------------------:----------------------+

#         |                     :                      :

#   +-----|---------------------:----------------------:----------------------+

#   | H3  + $h3                 + h3-gt6 (ip6gretap)   + h3-gt4 (gretap)      |

#   |       192.0.2.130/28        loc=2001:db8:2::2      loc=192.0.2.130      |

#   |       2001:db8:2::2/64      rem=2001:db8:2::1      rem=192.0.2.129      |

#   |                             ttl=100                ttl=100              |

#   |                             tos=inherit            tos=inherit          |

#   |                                                                         |

#   +-------------------------------------------------------------------------+

#

# This tests mirroring to gretap and ip6gretap configured in an overlay /

# underlay manner, i.e. with a bound dummy device that marks underlay VRF where

# the encapsulated packed should be routed.



NUM_NETIFS=6

source lib.sh

source mirror_lib.sh

source mirror_gre_lib.sh



h1_create()

{

	simple_if_init $h1 192.0.2.1/28

}



h1_destroy()

{

	simple_if_fini $h1 192.0.2.1/28

}



h2_create()

{

	simple_if_init $h2 192.0.2.2/28

}



h2_destroy()

{

	simple_if_fini $h2 192.0.2.2/28

}



h3_create()

{

	simple_if_init $h3 192.0.2.130/28 2001:db8:2::2/64



	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

}



h3_destroy()

{

	tunnel_destroy h3-gt6

	tunnel_destroy h3-gt4



	simple_if_fini $h3 192.0.2.130/28 2001:db8:2::2/64

}



switch_create()

{

	# Bridge between H1 and H2.



	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



	tc qdisc add dev $swp1 clsact



	# Underlay.



	simple_if_init $swp3 192.0.2.129/28 2001:db8:2::1/64



	ip link add name ul type dummy

	ip link set dev ul master v$swp3

	ip link set dev ul up



	# Overlay.



	vrf_create vrf-ol

	ip link set dev vrf-ol up



	tunnel_create gt4 gretap 192.0.2.129 192.0.2.130 \

		      ttl 100 tos inherit dev ul

	ip link set dev gt4 master vrf-ol

	ip link set dev gt4 up



	tunnel_create gt6 ip6gretap 2001:db8:2::1 2001:db8:2::2 \

		      ttl 100 tos inherit dev ul allow-localremote

	ip link set dev gt6 master vrf-ol

	ip link set dev gt6 up

}



switch_destroy()

{

	vrf_destroy vrf-ol



	tunnel_destroy gt6

	tunnel_destroy gt4



	simple_if_fini $swp3 192.0.2.129/28 2001:db8:2::1/64



	ip link del dev ul



	tc qdisc del dev $swp1 clsact



	ip link set dev $swp1 down

	ip link set dev $swp2 down

	ip link del dev br1

}



setup_prepare()

{

	h1=${NETIFS[p1]}

	swp1=${NETIFS[p2]}



	swp2=${NETIFS[p3]}

	h2=${NETIFS[p4]}



	swp3=${NETIFS[p5]}

	h3=${NETIFS[p6]}



	vrf_prepare



	h1_create

	h2_create

	h3_create



	switch_create

}



cleanup()

{

	pre_cleanup



	switch_destroy



	h3_destroy

	h2_destroy

	h1_destroy



	vrf_cleanup

}



test_all()

{

	RET=0



	slow_path_trap_install $swp1 ingress

	slow_path_trap_install $swp1 egress



	full_test_span_gre_dir gt4 ingress 8 0 "mirror to gretap w/ UL"

	full_test_span_gre_dir gt6 ingress 8 0 "mirror to ip6gretap w/ UL"



	full_test_span_gre_dir gt4 egress  0 8 "mirror to gretap w/ UL"

	full_test_span_gre_dir gt6 egress  0 8 "mirror to ip6gretap w/ UL"



	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