netdev - [PATCH net-next 3/8] selftests: router.sh: Add a diagram

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Date:   Wed,  4 May 2022 09:29:04 +0300
From:   Ido Schimmel <idosch@...dia.com>
To:     netdev@...r.kernel.org
Cc:     davem@...emloft.net, kuba@...nel.org, pabeni@...hat.com,
        edumazet@...gle.com, petrm@...dia.com, mlxsw@...dia.com,
        Ido Schimmel <idosch@...dia.com>
Subject: [PATCH net-next 3/8] selftests: router.sh: Add a diagram

From: Petr Machata <petrm@...dia.com>

It is customary for selftests to have a comment with a topology diagram,
which serves to illustrate the situation in which the test is done. This
selftest lacks it. Add it.

Signed-off-by: Petr Machata <petrm@...dia.com>
Signed-off-by: Ido Schimmel <idosch@...dia.com>
---
 .../testing/selftests/net/forwarding/router.sh | 18 ++++++++++++++++++
 1 file changed, 18 insertions(+)

diff --git a/tools/testing/selftests/net/forwarding/router.sh b/tools/testing/selftests/net/forwarding/router.sh
index 057f91b05098..b98ea9449b8b 100755
--- a/tools/testing/selftests/net/forwarding/router.sh
+++ b/tools/testing/selftests/net/forwarding/router.sh
@@ -1,6 +1,24 @@
 #!/bin/bash
 # SPDX-License-Identifier: GPL-2.0
 
+# +--------------------+                     +----------------------+
+# | H1                 |                     |                   H2 |
+# |                    |                     |                      |
+# |              $h1 + |                     | + $h2                |
+# |     192.0.2.2/24 | |                     | | 198.51.100.2/24    |
+# | 2001:db8:1::2/64 | |                     | | 2001:db8:2::2/64   |
+# |                  | |                     | |                    |
+# +------------------|-+                     +-|--------------------+
+#                    |                         |
+# +------------------|-------------------------|--------------------+
+# | SW               |                         |                    |
+# |                  |                         |                    |
+# |             $rp1 +                         + $rp2               |
+# |     192.0.2.1/24                             198.51.100.1/24    |
+# | 2001:db8:1::1/64                             2001:db8:2::1/64   |
+# |                                                                 |
+# +-----------------------------------------------------------------+
+
 ALL_TESTS="
 	ping_ipv4
 	ping_ipv6
-- 
2.35.1