linux-kernel - [PATCH net-next 15/15] selftests: mptcp: userspace pm get addr tests

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Message-Id: <20240301-upstream-net-next-20240301-mptcp-userspace-pm-dump-addr-v1-15-dc30a420b3a0@kernel.org>
Date: Fri, 01 Mar 2024 19:18:39 +0100
From: "Matthieu Baerts (NGI0)" <matttbe@...nel.org>
To: mptcp@...ts.linux.dev, Mat Martineau <martineau@...nel.org>, 
 Geliang Tang <geliang@...nel.org>, "David S. Miller" <davem@...emloft.net>, 
 Eric Dumazet <edumazet@...gle.com>, Jakub Kicinski <kuba@...nel.org>, 
 Paolo Abeni <pabeni@...hat.com>, Shuah Khan <shuah@...nel.org>
Cc: Geliang Tang <tanggeliang@...inos.cn>, netdev@...r.kernel.org, 
 linux-kernel@...r.kernel.org, linux-kselftest@...r.kernel.org, 
 "Matthieu Baerts (NGI0)" <matttbe@...nel.org>
Subject: [PATCH net-next 15/15] selftests: mptcp: userspace pm get addr
 tests

From: Geliang Tang <tanggeliang@...inos.cn>

This patch adds a new helper userspace_pm_get_addr() in mptcp_join.sh.
In it, parse the token value from the output of 'pm_nl_ctl events', then
pass it to pm_nl_ctl get_addr command. Use this helper in userspace pm
dump tests.

Signed-off-by: Geliang Tang <tanggeliang@...inos.cn>
Reviewed-by: Matthieu Baerts (NGI0) <matttbe@...nel.org>
Reviewed-by: Mat Martineau <martineau@...nel.org>
Signed-off-by: Matthieu Baerts (NGI0) <matttbe@...nel.org>
---
 tools/testing/selftests/net/mptcp/mptcp_join.sh | 30 +++++++++++++++++++++++++
 1 file changed, 30 insertions(+)

diff --git a/tools/testing/selftests/net/mptcp/mptcp_join.sh b/tools/testing/selftests/net/mptcp/mptcp_join.sh
index 8b6430642706..955ee651dcd5 100755
--- a/tools/testing/selftests/net/mptcp/mptcp_join.sh
+++ b/tools/testing/selftests/net/mptcp/mptcp_join.sh
@@ -3388,6 +3388,18 @@ userspace_pm_dump()
 	ip netns exec $1 ./pm_nl_ctl dump token $tk
 }

+# $1: ns ; $2: id
+userspace_pm_get_addr()
+{
+	local evts=$evts_ns1
+	local tk
+
+	[ "$1" == "$ns2" ] && evts=$evts_ns2
+	tk=$(mptcp_lib_evts_get_info token "$evts")
+
+	ip netns exec $1 ./pm_nl_ctl get $2 token $tk
+}
+
 userspace_pm_chk_dump_addr()
 {
 	local ns="${1}"
@@ -3403,6 +3415,21 @@ userspace_pm_chk_dump_addr()
 	fi
 }

+userspace_pm_chk_get_addr()
+{
+	local ns="${1}"
+	local id="${2}"
+	local exp="${3}"
+
+	print_check "get id ${id} addr"
+
+	if mptcp_lib_kallsyms_has "mptcp_userspace_pm_get_addr$"; then
+		check_output "userspace_pm_get_addr ${ns} ${id}" "${exp}"
+	else
+		print_skip
+	fi
+}
+
 userspace_tests()
 {
 	# userspace pm type prevents add_addr
@@ -3497,6 +3524,8 @@ userspace_tests()
 		userspace_pm_chk_dump_addr "${ns1}" \
 			$'id 10 flags signal 10.0.2.1\nid 20 flags signal 10.0.3.1' \
 			"signal"
+		userspace_pm_chk_get_addr "${ns1}" "10" "id 10 flags signal 10.0.2.1"
+		userspace_pm_chk_get_addr "${ns1}" "20" "id 20 flags signal 10.0.3.1"
 		userspace_pm_rm_addr $ns1 10
 		userspace_pm_rm_sf $ns1 "::ffff:10.0.2.1" $SUB_ESTABLISHED
 		userspace_pm_chk_dump_addr "${ns1}" \
@@ -3527,6 +3556,7 @@ userspace_tests()
 		userspace_pm_chk_dump_addr "${ns2}" \
 			"id 20 flags subflow 10.0.3.2" \
 			"subflow"
+		userspace_pm_chk_get_addr "${ns2}" "20" "id 20 flags subflow 10.0.3.2"
 		userspace_pm_rm_addr $ns2 20
 		userspace_pm_rm_sf $ns2 10.0.3.2 $SUB_ESTABLISHED
 		userspace_pm_chk_dump_addr "${ns2}" \

-- 
2.43.0