netdev - [PATCH net-next v2 1/3] selftests/net: packetdrill: run in netns and expand config

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Message-ID: <20240912005317.1253001-2-willemdebruijn.kernel@gmail.com>
Date: Wed, 11 Sep 2024 20:52:40 -0400
From: Willem de Bruijn <willemdebruijn.kernel@...il.com>
To: netdev@...r.kernel.org
Cc: davem@...emloft.net,
	kuba@...nel.org,
	edumazet@...gle.com,
	pabeni@...hat.com,
	ncardwell@...gle.com,
	shuah@...nel.org,
	linux-kselftest@...r.kernel.org,
	matttbe@...nel.org,
	Willem de Bruijn <willemb@...gle.com>
Subject: [PATCH net-next v2 1/3] selftests/net: packetdrill: run in netns and expand config

From: Willem de Bruijn <willemb@...gle.com>

Run packetdrill tests inside netns.
They may change system settings, such as sysctl.

Also expand config with a few more needed CONFIGs.

Link: https://lore.kernel.org/netdev/20240910152640.429920be@kernel.org/
Signed-off-by: Willem de Bruijn <willemb@...gle.com>
Acked-by: Matthieu Baerts (NGI0) <matttbe@...nel.org>
---
 tools/testing/selftests/net/packetdrill/config         | 5 +++++
 tools/testing/selftests/net/packetdrill/ksft_runner.sh | 4 ++--
 2 files changed, 7 insertions(+), 2 deletions(-)

diff --git a/tools/testing/selftests/net/packetdrill/config b/tools/testing/selftests/net/packetdrill/config
index 0d402830f18d8..a7877819081f5 100644
--- a/tools/testing/selftests/net/packetdrill/config
+++ b/tools/testing/selftests/net/packetdrill/config
@@ -1,5 +1,10 @@
 CONFIG_IPV6=y
+CONFIG_HZ_1000=y
+CONFIG_HZ=1000
+CONFIG_NET_NS=y
 CONFIG_NET_SCH_FIFO=y
 CONFIG_PROC_SYSCTL=y
+CONFIG_SYN_COOKIES=y
+CONFIG_TCP_CONG_CUBIC=y
 CONFIG_TCP_MD5SIG=y
 CONFIG_TUN=y
diff --git a/tools/testing/selftests/net/packetdrill/ksft_runner.sh b/tools/testing/selftests/net/packetdrill/ksft_runner.sh
index 2f62caccbbbc5..7478c0c0c9aac 100755
--- a/tools/testing/selftests/net/packetdrill/ksft_runner.sh
+++ b/tools/testing/selftests/net/packetdrill/ksft_runner.sh
@@ -33,9 +33,9 @@ fi
 ktap_print_header
 ktap_set_plan 2
 
-packetdrill ${ipv4_args[@]} $(basename $script) > /dev/null \
+unshare -n packetdrill ${ipv4_args[@]} $(basename $script) > /dev/null \
 	&& ktap_test_pass "ipv4" || ktap_test_fail "ipv4"
-packetdrill ${ipv6_args[@]} $(basename $script) > /dev/null \
+unshare -n packetdrill ${ipv6_args[@]} $(basename $script) > /dev/null \
 	&& ktap_test_pass "ipv6" || ktap_test_fail "ipv6"
 
 ktap_finished
-- 
2.46.0.598.g6f2099f65c-goog