netdev - [PATCH 2/2 net-next v3] selftests: net: add ipv6 ping to local address from localhost

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Message-ID: <20260121194409.6749-2-fmancera@suse.de>
Date: Wed, 21 Jan 2026 20:44:09 +0100
From: Fernando Fernandez Mancera <fmancera@...e.de>
To: netdev@...r.kernel.org
Cc: davem@...emloft.net,
	dsahern@...nel.org,
	kuba@...nel.org,
	pabeni@...hat.com,
	horms@...nel.org,
	shuah@...nel.org,
	linux-kselftest@...r.kernel.org,
	haleyb.dev@...il.com,
	Fernando Fernandez Mancera <fmancera@...e.de>
Subject: [PATCH 2/2 net-next v3] selftests: net: add ipv6 ping to local address from localhost

Test ipv6 pinging to local configured address and linklocal address from
localhost with -I ::1.

Signed-off-by: Fernando Fernandez Mancera <fmancera@...e.de>
---
v2: shellcheck fixes, added VRF based tests and simplified linklocal
address parsing
v3: extend existing test in fcnal-test.sh instead of creating a new one,
notice some shellcheck warnings but I prefer to follow the style of the
existing code. It can be fixed if it is a requirement.
---
 tools/testing/selftests/net/fcnal-test.sh | 7 +++++++
 1 file changed, 7 insertions(+)

diff --git a/tools/testing/selftests/net/fcnal-test.sh b/tools/testing/selftests/net/fcnal-test.sh
index 844a580ae74e..890c3f8e51bb 100755
--- a/tools/testing/selftests/net/fcnal-test.sh
+++ b/tools/testing/selftests/net/fcnal-test.sh
@@ -2327,6 +2327,13 @@ ipv6_ping_novrf()
 		log_test_addr ${a} $? 2 "ping local, device bind"
 	done
 
+	for a in ${NSA_LO_IP6} ${NSA_LINKIP6}%${NSA_DEV} ${NSA_IP6}
+	do
+		log_start
+		run_cmd ${ping6} -c1 -w1 -I ::1 ${a}
+		log_test_addr ${a} $? 0 "ping local, from localhost"
+	done
+
 	#
 	# ip rule blocks address
 	#
-- 
2.52.0