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* [PATCH net-next 0/9] mptcp: Improve set-flags command and update self tests
@ 2022-02-05  0:03 Mat Martineau
  2022-02-05  0:03 ` [PATCH net-next 1/9] mptcp: allow to use port and non-signal in set_flags Mat Martineau
                   ` (9 more replies)
  0 siblings, 10 replies; 11+ messages in thread
From: Mat Martineau @ 2022-02-05  0:03 UTC (permalink / raw)
  To: netdev; +Cc: Mat Martineau, davem, kuba, matthieu.baerts, mptcp

Patches 1-3 allow more flexibility in the combinations of features and
flags allowed with the MPTCP_PM_CMD_SET_FLAGS netlink command, and add
self test case coverage for the new functionality.

Patches 4-6 and 9 refactor the mptcp_join.sh self tests to allow them to
configure all of the test cases using either the pm_nl_ctl utility (part
of the mptcp self tests) or the 'ip mptcp' command (from iproute2). The
default remains to use pm_nl_ctl.

Patches 7 and 8 update the pm_netlink.sh self tests to cover the use of
endpoint ids to set endpoint flags (instead of just addresses).

Geliang Tang (9):
  mptcp: allow to use port and non-signal in set_flags
  selftests: mptcp: add the port argument for set_flags
  selftests: mptcp: add backup with port testcase
  selftests: mptcp: add ip mptcp wrappers
  selftests: mptcp: add wrapper for showing addrs
  selftests: mptcp: add wrapper for setting flags
  selftests: mptcp: add the id argument for set_flags
  selftests: mptcp: add set_flags tests in pm_netlink.sh
  selftests: mptcp: set ip_mptcp in command line

 net/mptcp/pm_netlink.c                        |  13 +-
 .../testing/selftests/net/mptcp/mptcp_join.sh | 877 +++++++++++-------
 .../testing/selftests/net/mptcp/pm_netlink.sh |  18 +
 tools/testing/selftests/net/mptcp/pm_nl_ctl.c |  75 +-
 4 files changed, 595 insertions(+), 388 deletions(-)


base-commit: c531adaf884d313df2729ca94228317a52e46b83
-- 
2.35.1


^ permalink raw reply	[flat|nested] 11+ messages in thread

* [PATCH net-next 1/9] mptcp: allow to use port and non-signal in set_flags
  2022-02-05  0:03 [PATCH net-next 0/9] mptcp: Improve set-flags command and update self tests Mat Martineau
@ 2022-02-05  0:03 ` Mat Martineau
  2022-02-05  0:03 ` [PATCH net-next 2/9] selftests: mptcp: add the port argument for set_flags Mat Martineau
                   ` (8 subsequent siblings)
  9 siblings, 0 replies; 11+ messages in thread
From: Mat Martineau @ 2022-02-05  0:03 UTC (permalink / raw)
  To: netdev; +Cc: Geliang Tang, davem, kuba, matthieu.baerts, mptcp, Mat Martineau

From: Geliang Tang <geliang.tang@suse.com>

It's illegal to use both port and non-signal flags for adding address.
But it's legal to use both of them for setting flags, which always uses
non-signal flags, backup or fullmesh.

This patch moves this non-signal flag with port check from
mptcp_pm_parse_addr() to mptcp_nl_cmd_add_addr(). Do the check only when
adding addresses, not setting flags or deleting addresses.

Signed-off-by: Geliang Tang <geliang.tang@suse.com>
Signed-off-by: Mat Martineau <mathew.j.martineau@linux.intel.com>
---
 net/mptcp/pm_netlink.c | 13 ++++++-------
 1 file changed, 6 insertions(+), 7 deletions(-)

diff --git a/net/mptcp/pm_netlink.c b/net/mptcp/pm_netlink.c
index d47795748ad7..5464c2d268bd 100644
--- a/net/mptcp/pm_netlink.c
+++ b/net/mptcp/pm_netlink.c
@@ -1174,14 +1174,8 @@ static int mptcp_pm_parse_addr(struct nlattr *attr, struct genl_info *info,
 	if (tb[MPTCP_PM_ADDR_ATTR_FLAGS])
 		entry->flags = nla_get_u32(tb[MPTCP_PM_ADDR_ATTR_FLAGS]);
 
-	if (tb[MPTCP_PM_ADDR_ATTR_PORT]) {
-		if (!(entry->flags & MPTCP_PM_ADDR_FLAG_SIGNAL)) {
-			NL_SET_ERR_MSG_ATTR(info->extack, attr,
-					    "flags must have signal when using port");
-			return -EINVAL;
-		}
+	if (tb[MPTCP_PM_ADDR_ATTR_PORT])
 		entry->addr.port = htons(nla_get_u16(tb[MPTCP_PM_ADDR_ATTR_PORT]));
-	}
 
 	return 0;
 }
@@ -1227,6 +1221,11 @@ static int mptcp_nl_cmd_add_addr(struct sk_buff *skb, struct genl_info *info)
 	if (ret < 0)
 		return ret;
 
+	if (addr.addr.port && !(addr.flags & MPTCP_PM_ADDR_FLAG_SIGNAL)) {
+		GENL_SET_ERR_MSG(info, "flags must have signal when using port");
+		return -EINVAL;
+	}
+
 	entry = kmalloc(sizeof(*entry), GFP_KERNEL);
 	if (!entry) {
 		GENL_SET_ERR_MSG(info, "can't allocate addr");
-- 
2.35.1


^ permalink raw reply related	[flat|nested] 11+ messages in thread

* [PATCH net-next 2/9] selftests: mptcp: add the port argument for set_flags
  2022-02-05  0:03 [PATCH net-next 0/9] mptcp: Improve set-flags command and update self tests Mat Martineau
  2022-02-05  0:03 ` [PATCH net-next 1/9] mptcp: allow to use port and non-signal in set_flags Mat Martineau
@ 2022-02-05  0:03 ` Mat Martineau
  2022-02-05  0:03 ` [PATCH net-next 3/9] selftests: mptcp: add backup with port testcase Mat Martineau
                   ` (7 subsequent siblings)
  9 siblings, 0 replies; 11+ messages in thread
From: Mat Martineau @ 2022-02-05  0:03 UTC (permalink / raw)
  To: netdev; +Cc: Geliang Tang, davem, kuba, matthieu.baerts, mptcp, Mat Martineau

From: Geliang Tang <geliang.tang@suse.com>

This patch added the port argument for setting the address flags in
pm_nl_ctl.

Usage:

    pm_nl_ctl set 10.0.2.1 flags backup port 10100

Signed-off-by: Geliang Tang <geliang.tang@suse.com>
Signed-off-by: Mat Martineau <mathew.j.martineau@linux.intel.com>
---
 tools/testing/selftests/net/mptcp/pm_nl_ctl.c | 14 +++++++++++++-
 1 file changed, 13 insertions(+), 1 deletion(-)

diff --git a/tools/testing/selftests/net/mptcp/pm_nl_ctl.c b/tools/testing/selftests/net/mptcp/pm_nl_ctl.c
index 152b84e44d69..2a57462764d0 100644
--- a/tools/testing/selftests/net/mptcp/pm_nl_ctl.c
+++ b/tools/testing/selftests/net/mptcp/pm_nl_ctl.c
@@ -28,7 +28,7 @@ static void syntax(char *argv[])
 	fprintf(stderr, "\tadd [flags signal|subflow|backup|fullmesh] [id <nr>] [dev <name>] <ip>\n");
 	fprintf(stderr, "\tdel <id> [<ip>]\n");
 	fprintf(stderr, "\tget <id>\n");
-	fprintf(stderr, "\tset <ip> [flags backup|nobackup|fullmesh|nofullmesh]\n");
+	fprintf(stderr, "\tset <ip> [flags backup|nobackup|fullmesh|nofullmesh] [port <nr>]\n");
 	fprintf(stderr, "\tflush\n");
 	fprintf(stderr, "\tdump\n");
 	fprintf(stderr, "\tlimits [<rcv addr max> <subflow max>]\n");
@@ -721,6 +721,18 @@ int set_flags(int fd, int pm_family, int argc, char *argv[])
 			rta->rta_len = RTA_LENGTH(4);
 			memcpy(RTA_DATA(rta), &flags, 4);
 			off += NLMSG_ALIGN(rta->rta_len);
+		} else if (!strcmp(argv[arg], "port")) {
+			u_int16_t port;
+
+			if (++arg >= argc)
+				error(1, 0, " missing port value");
+
+			port = atoi(argv[arg]);
+			rta = (void *)(data + off);
+			rta->rta_type = MPTCP_PM_ADDR_ATTR_PORT;
+			rta->rta_len = RTA_LENGTH(2);
+			memcpy(RTA_DATA(rta), &port, 2);
+			off += NLMSG_ALIGN(rta->rta_len);
 		} else {
 			error(1, 0, "unknown keyword %s", argv[arg]);
 		}
-- 
2.35.1


^ permalink raw reply related	[flat|nested] 11+ messages in thread

* [PATCH net-next 3/9] selftests: mptcp: add backup with port testcase
  2022-02-05  0:03 [PATCH net-next 0/9] mptcp: Improve set-flags command and update self tests Mat Martineau
  2022-02-05  0:03 ` [PATCH net-next 1/9] mptcp: allow to use port and non-signal in set_flags Mat Martineau
  2022-02-05  0:03 ` [PATCH net-next 2/9] selftests: mptcp: add the port argument for set_flags Mat Martineau
@ 2022-02-05  0:03 ` Mat Martineau
  2022-02-05  0:03 ` [PATCH net-next 4/9] selftests: mptcp: add ip mptcp wrappers Mat Martineau
                   ` (6 subsequent siblings)
  9 siblings, 0 replies; 11+ messages in thread
From: Mat Martineau @ 2022-02-05  0:03 UTC (permalink / raw)
  To: netdev; +Cc: Geliang Tang, davem, kuba, matthieu.baerts, mptcp, Mat Martineau

From: Geliang Tang <geliang.tang@suse.com>

This patch added the backup testcase using an address with a port number.

The original backup tests only work for the output of 'pm_nl_ctl dump'
without the port number. It chooses the last item in the dump to parse
the address in it, and in this case, the address is showed at the end
of the item.

But it doesn't work for the dump with the port number, in this case, the
port number is showed at the end of the item, not the address.

So implemented a more flexible approach to get the address and the port
number from the dump to fit for the port number case.

Signed-off-by: Geliang Tang <geliang.tang@suse.com>
Signed-off-by: Mat Martineau <mathew.j.martineau@linux.intel.com>
---
 .../testing/selftests/net/mptcp/mptcp_join.sh | 44 ++++++++++++++++---
 1 file changed, 39 insertions(+), 5 deletions(-)

diff --git a/tools/testing/selftests/net/mptcp/mptcp_join.sh b/tools/testing/selftests/net/mptcp/mptcp_join.sh
index bd106c7ec232..eb945cebbd6d 100755
--- a/tools/testing/selftests/net/mptcp/mptcp_join.sh
+++ b/tools/testing/selftests/net/mptcp/mptcp_join.sh
@@ -239,6 +239,16 @@ is_v6()
 	[ -z "${1##*:*}" ]
 }
 
+is_addr()
+{
+	[ -z "${1##*[.:]*}" ]
+}
+
+is_number()
+{
+	[[ $1 == ?(-)+([0-9]) ]]
+}
+
 # $1: ns, $2: port
 wait_local_port_listen()
 {
@@ -464,11 +474,25 @@ do_transfer()
 	if [ ! -z $sflags ]; then
 		sleep 1
 		for netns in "$ns1" "$ns2"; do
-			dump=(`ip netns exec $netns ./pm_nl_ctl dump`)
-			if [ ${#dump[@]} -gt 0 ]; then
-				addr=${dump[${#dump[@]} - 1]}
-				ip netns exec $netns ./pm_nl_ctl set $addr flags $sflags
-			fi
+			ip netns exec $netns ./pm_nl_ctl dump | while read line; do
+				local arr=($line)
+				local addr
+				local port=0
+				local _port=""
+
+				for i in ${arr[@]}; do
+					if is_addr $i; then
+						addr=$i
+					elif is_number $i; then
+						# The minimum expected port number is 10000
+						if [ $i -gt 10000 ]; then
+							port=$i
+						fi
+					fi
+				done
+				if [ $port -ne 0 ]; then _port="port $port"; fi
+				ip netns exec $netns ./pm_nl_ctl set $addr flags $sflags $_port
+			done
 		done
 	fi
 
@@ -1616,6 +1640,16 @@ backup_tests()
 	chk_join_nr "single address, backup" 1 1 1
 	chk_add_nr 1 1
 	chk_prio_nr 1 0
+
+	# single address with port, backup
+	reset
+	ip netns exec $ns1 ./pm_nl_ctl limits 0 1
+	ip netns exec $ns1 ./pm_nl_ctl add 10.0.2.1 flags signal port 10100
+	ip netns exec $ns2 ./pm_nl_ctl limits 1 1
+	run_tests $ns1 $ns2 10.0.1.1 0 0 0 slow backup
+	chk_join_nr "single address with port, backup" 1 1 1
+	chk_add_nr 1 1
+	chk_prio_nr 1 0
 }
 
 add_addr_ports_tests()
-- 
2.35.1


^ permalink raw reply related	[flat|nested] 11+ messages in thread

* [PATCH net-next 4/9] selftests: mptcp: add ip mptcp wrappers
  2022-02-05  0:03 [PATCH net-next 0/9] mptcp: Improve set-flags command and update self tests Mat Martineau
                   ` (2 preceding siblings ...)
  2022-02-05  0:03 ` [PATCH net-next 3/9] selftests: mptcp: add backup with port testcase Mat Martineau
@ 2022-02-05  0:03 ` Mat Martineau
  2022-02-05  0:03 ` [PATCH net-next 5/9] selftests: mptcp: add wrapper for showing addrs Mat Martineau
                   ` (5 subsequent siblings)
  9 siblings, 0 replies; 11+ messages in thread
From: Mat Martineau @ 2022-02-05  0:03 UTC (permalink / raw)
  To: netdev; +Cc: Geliang Tang, davem, kuba, matthieu.baerts, mptcp, Mat Martineau

From: Geliang Tang <geliang.tang@suse.com>

This patch added four basic 'ip mptcp' wrappers:

pm_nl_set_limits()
pm_nl_add_endpoint()
pm_nl_del_endpoint()
pm_nl_flush_endpoint().

Wrapped the PM netlink commands 'ip mptcp' and 'pm_nl_ctl' in them, and
used a new argument 'ip_mptcp' to choose which one to use for setting the
PM limits, adding or deleting the PM endpoint.

Used the wrappers in all the selftests in mptcp_join.sh instead of using
the pm_nl_ctl commands directly.

Signed-off-by: Geliang Tang <geliang.tang@suse.com>
Signed-off-by: Mat Martineau <mathew.j.martineau@linux.intel.com>
---
 .../testing/selftests/net/mptcp/mptcp_join.sh | 737 ++++++++++--------
 1 file changed, 407 insertions(+), 330 deletions(-)

diff --git a/tools/testing/selftests/net/mptcp/mptcp_join.sh b/tools/testing/selftests/net/mptcp/mptcp_join.sh
index eb945cebbd6d..6ca6ed7336d0 100755
--- a/tools/testing/selftests/net/mptcp/mptcp_join.sh
+++ b/tools/testing/selftests/net/mptcp/mptcp_join.sh
@@ -15,6 +15,7 @@ timeout_test=$((timeout_poll * 2 + 1))
 mptcp_connect=""
 capture=0
 checksum=0
+ip_mptcp=0
 do_all_tests=1
 
 TEST_COUNT=0
@@ -288,6 +289,82 @@ wait_rm_addr()
 	done
 }
 
+pm_nl_set_limits()
+{
+	local ns=$1
+	local addrs=$2
+	local subflows=$3
+
+	if [ $ip_mptcp -eq 1 ]; then
+		ip -n $ns mptcp limits set add_addr_accepted $addrs subflows $subflows
+	else
+		ip netns exec $ns ./pm_nl_ctl limits $addrs $subflows
+	fi
+}
+
+pm_nl_add_endpoint()
+{
+	local ns=$1
+	local addr=$2
+	local flags
+	local port
+	local dev
+	local id
+	local nr=2
+
+	for p in $@
+	do
+		if [ $p = "flags" ]; then
+			eval _flags=\$"$nr"
+			[ ! -z $_flags ]; flags="flags $_flags"
+		fi
+		if [ $p = "dev" ]; then
+			eval _dev=\$"$nr"
+			[ ! -z $_dev ]; dev="dev $_dev"
+		fi
+		if [ $p = "id" ]; then
+			eval _id=\$"$nr"
+			[ ! -z $_id ]; id="id $_id"
+		fi
+		if [ $p = "port" ]; then
+			eval _port=\$"$nr"
+			[ ! -z $_port ]; port="port $_port"
+		fi
+
+		let nr+=1
+	done
+
+	if [ $ip_mptcp -eq 1 ]; then
+		ip -n $ns mptcp endpoint add $addr ${_flags//","/" "} $dev $id $port
+	else
+		ip netns exec $ns ./pm_nl_ctl add $addr $flags $dev $id $port
+	fi
+}
+
+pm_nl_del_endpoint()
+{
+	local ns=$1
+	local id=$2
+	local addr=$3
+
+	if [ $ip_mptcp -eq 1 ]; then
+		ip -n $ns mptcp endpoint delete id $id $addr
+	else
+		ip netns exec $ns ./pm_nl_ctl del $id $addr
+	fi
+}
+
+pm_nl_flush_endpoint()
+{
+	local ns=$1
+
+	if [ $ip_mptcp -eq 1 ]; then
+		ip -n $ns mptcp endpoint flush
+	else
+		ip netns exec $ns ./pm_nl_ctl flush
+	fi
+}
+
 do_transfer()
 {
 	listener_ns="$1"
@@ -388,7 +465,7 @@ do_transfer()
 			else
 				addr="10.0.$counter.1"
 			fi
-			ip netns exec $ns1 ./pm_nl_ctl add $addr flags signal
+			pm_nl_add_endpoint $ns1 $addr flags signal
 			let counter+=1
 			let add_nr_ns1-=1
 		done
@@ -403,16 +480,16 @@ do_transfer()
 				do
 					id=${dump[$pos]}
 					rm_addr=$(rm_addr_count ${connector_ns})
-					ip netns exec ${listener_ns} ./pm_nl_ctl del $id
+					pm_nl_del_endpoint ${listener_ns} $id
 					wait_rm_addr ${connector_ns} ${rm_addr}
 					let counter+=1
 					let pos+=5
 				done
 			fi
 		elif [ $rm_nr_ns1 -eq 8 ]; then
-			ip netns exec ${listener_ns} ./pm_nl_ctl flush
+			pm_nl_flush_endpoint ${listener_ns}
 		elif [ $rm_nr_ns1 -eq 9 ]; then
-			ip netns exec ${listener_ns} ./pm_nl_ctl del 0 ${connect_addr}
+			pm_nl_del_endpoint ${listener_ns} 0 ${connect_addr}
 		fi
 	fi
 
@@ -436,7 +513,7 @@ do_transfer()
 			else
 				addr="10.0.$counter.2"
 			fi
-			ip netns exec $ns2 ./pm_nl_ctl add $addr flags $flags
+			pm_nl_add_endpoint $ns2 $addr flags $flags
 			let counter+=1
 			let add_nr_ns2-=1
 		done
@@ -452,14 +529,14 @@ do_transfer()
 					# rm_addr are serialized, allow the previous one to complete
 					id=${dump[$pos]}
 					rm_addr=$(rm_addr_count ${listener_ns})
-					ip netns exec ${connector_ns} ./pm_nl_ctl del $id
+					pm_nl_del_endpoint ${connector_ns} $id
 					wait_rm_addr ${listener_ns} ${rm_addr}
 					let counter+=1
 					let pos+=5
 				done
 			fi
 		elif [ $rm_nr_ns2 -eq 8 ]; then
-			ip netns exec ${connector_ns} ./pm_nl_ctl flush
+			pm_nl_flush_endpoint ${connector_ns}
 		elif [ $rm_nr_ns2 -eq 9 ]; then
 			local addr
 			if is_v6 "${connect_addr}"; then
@@ -467,7 +544,7 @@ do_transfer()
 			else
 				addr="10.0.1.2"
 			fi
-			ip netns exec ${connector_ns} ./pm_nl_ctl del 0 $addr
+			pm_nl_del_endpoint ${connector_ns} 0 $addr
 		fi
 	fi
 
@@ -1001,51 +1078,51 @@ subflows_tests()
 
 	# subflow limited by client
 	reset
-	ip netns exec $ns1 ./pm_nl_ctl limits 0 0
-	ip netns exec $ns2 ./pm_nl_ctl limits 0 0
-	ip netns exec $ns2 ./pm_nl_ctl add 10.0.3.2 flags subflow
+	pm_nl_set_limits $ns1 0 0
+	pm_nl_set_limits $ns2 0 0
+	pm_nl_add_endpoint $ns2 10.0.3.2 flags subflow
 	run_tests $ns1 $ns2 10.0.1.1
 	chk_join_nr "single subflow, limited by client" 0 0 0
 
 	# subflow limited by server
 	reset
-	ip netns exec $ns1 ./pm_nl_ctl limits 0 0
-	ip netns exec $ns2 ./pm_nl_ctl limits 0 1
-	ip netns exec $ns2 ./pm_nl_ctl add 10.0.3.2 flags subflow
+	pm_nl_set_limits $ns1 0 0
+	pm_nl_set_limits $ns2 0 1
+	pm_nl_add_endpoint $ns2 10.0.3.2 flags subflow
 	run_tests $ns1 $ns2 10.0.1.1
 	chk_join_nr "single subflow, limited by server" 1 1 0
 
 	# subflow
 	reset
-	ip netns exec $ns1 ./pm_nl_ctl limits 0 1
-	ip netns exec $ns2 ./pm_nl_ctl limits 0 1
-	ip netns exec $ns2 ./pm_nl_ctl add 10.0.3.2 flags subflow
+	pm_nl_set_limits $ns1 0 1
+	pm_nl_set_limits $ns2 0 1
+	pm_nl_add_endpoint $ns2 10.0.3.2 flags subflow
 	run_tests $ns1 $ns2 10.0.1.1
 	chk_join_nr "single subflow" 1 1 1
 
 	# multiple subflows
 	reset
-	ip netns exec $ns1 ./pm_nl_ctl limits 0 2
-	ip netns exec $ns2 ./pm_nl_ctl limits 0 2
-	ip netns exec $ns2 ./pm_nl_ctl add 10.0.3.2 flags subflow
-	ip netns exec $ns2 ./pm_nl_ctl add 10.0.2.2 flags subflow
+	pm_nl_set_limits $ns1 0 2
+	pm_nl_set_limits $ns2 0 2
+	pm_nl_add_endpoint $ns2 10.0.3.2 flags subflow
+	pm_nl_add_endpoint $ns2 10.0.2.2 flags subflow
 	run_tests $ns1 $ns2 10.0.1.1
 	chk_join_nr "multiple subflows" 2 2 2
 
 	# multiple subflows limited by server
 	reset
-	ip netns exec $ns1 ./pm_nl_ctl limits 0 1
-	ip netns exec $ns2 ./pm_nl_ctl limits 0 2
-	ip netns exec $ns2 ./pm_nl_ctl add 10.0.3.2 flags subflow
-	ip netns exec $ns2 ./pm_nl_ctl add 10.0.2.2 flags subflow
+	pm_nl_set_limits $ns1 0 1
+	pm_nl_set_limits $ns2 0 2
+	pm_nl_add_endpoint $ns2 10.0.3.2 flags subflow
+	pm_nl_add_endpoint $ns2 10.0.2.2 flags subflow
 	run_tests $ns1 $ns2 10.0.1.1
 	chk_join_nr "multiple subflows, limited by server" 2 2 1
 
 	# single subflow, dev
 	reset
-	ip netns exec $ns1 ./pm_nl_ctl limits 0 1
-	ip netns exec $ns2 ./pm_nl_ctl limits 0 1
-	ip netns exec $ns2 ./pm_nl_ctl add 10.0.3.2 flags subflow dev ns2eth3
+	pm_nl_set_limits $ns1 0 1
+	pm_nl_set_limits $ns2 0 1
+	pm_nl_add_endpoint $ns2 10.0.3.2 flags subflow dev ns2eth3
 	run_tests $ns1 $ns2 10.0.1.1
 	chk_join_nr "single subflow, dev" 1 1 1
 }
@@ -1055,28 +1132,28 @@ subflows_error_tests()
 	# If a single subflow is configured, and matches the MPC src
 	# address, no additional subflow should be created
 	reset
-	ip netns exec $ns1 ./pm_nl_ctl limits 0 1
-	ip netns exec $ns2 ./pm_nl_ctl limits 0 1
-	ip netns exec $ns2 ./pm_nl_ctl add 10.0.1.2 flags subflow
+	pm_nl_set_limits $ns1 0 1
+	pm_nl_set_limits $ns2 0 1
+	pm_nl_add_endpoint $ns2 10.0.1.2 flags subflow
 	run_tests $ns1 $ns2 10.0.1.1 0 0 0 slow
 	chk_join_nr "no MPC reuse with single endpoint" 0 0 0
 
 	# multiple subflows, with subflow creation error
 	reset
-	ip netns exec $ns1 ./pm_nl_ctl limits 0 2
-	ip netns exec $ns2 ./pm_nl_ctl limits 0 2
-	ip netns exec $ns2 ./pm_nl_ctl add 10.0.3.2 flags subflow
-	ip netns exec $ns2 ./pm_nl_ctl add 10.0.2.2 flags subflow
+	pm_nl_set_limits $ns1 0 2
+	pm_nl_set_limits $ns2 0 2
+	pm_nl_add_endpoint $ns2 10.0.3.2 flags subflow
+	pm_nl_add_endpoint $ns2 10.0.2.2 flags subflow
 	ip netns exec $ns1 iptables -A INPUT -s 10.0.3.2 -p tcp -j REJECT
 	run_tests $ns1 $ns2 10.0.1.1 0 0 0 slow
 	chk_join_nr "multi subflows, with failing subflow" 1 1 1
 
 	# multiple subflows, with subflow timeout on MPJ
 	reset
-	ip netns exec $ns1 ./pm_nl_ctl limits 0 2
-	ip netns exec $ns2 ./pm_nl_ctl limits 0 2
-	ip netns exec $ns2 ./pm_nl_ctl add 10.0.3.2 flags subflow
-	ip netns exec $ns2 ./pm_nl_ctl add 10.0.2.2 flags subflow
+	pm_nl_set_limits $ns1 0 2
+	pm_nl_set_limits $ns2 0 2
+	pm_nl_add_endpoint $ns2 10.0.3.2 flags subflow
+	pm_nl_add_endpoint $ns2 10.0.2.2 flags subflow
 	ip netns exec $ns1 iptables -A INPUT -s 10.0.3.2 -p tcp -j DROP
 	run_tests $ns1 $ns2 10.0.1.1 0 0 0 slow
 	chk_join_nr "multi subflows, with subflow timeout" 1 1 1
@@ -1085,9 +1162,9 @@ subflows_error_tests()
 	# closed subflow (due to reset) is not reused if additional
 	# subflows are added later
 	reset
-	ip netns exec $ns1 ./pm_nl_ctl limits 0 1
-	ip netns exec $ns2 ./pm_nl_ctl limits 0 1
-	ip netns exec $ns2 ./pm_nl_ctl add 10.0.3.2 flags subflow
+	pm_nl_set_limits $ns1 0 1
+	pm_nl_set_limits $ns2 0 1
+	pm_nl_add_endpoint $ns2 10.0.3.2 flags subflow
 	ip netns exec $ns1 iptables -A INPUT -s 10.0.3.2 -p tcp -j REJECT
 	run_tests $ns1 $ns2 10.0.1.1 0 0 0 slow &
 
@@ -1097,7 +1174,7 @@ subflows_error_tests()
 
 	# mpj subflow will be in TW after the reset
 	wait_for_tw $ns2
-	ip netns exec $ns2 ./pm_nl_ctl add 10.0.2.2 flags subflow
+	pm_nl_add_endpoint $ns2 10.0.2.2 flags subflow
 	wait
 
 	# additional subflow could be created only if the PM select
@@ -1109,16 +1186,16 @@ signal_address_tests()
 {
 	# add_address, unused
 	reset
-	ip netns exec $ns1 ./pm_nl_ctl add 10.0.2.1 flags signal
+	pm_nl_add_endpoint $ns1 10.0.2.1 flags signal
 	run_tests $ns1 $ns2 10.0.1.1
 	chk_join_nr "unused signal address" 0 0 0
 	chk_add_nr 1 1
 
 	# accept and use add_addr
 	reset
-	ip netns exec $ns1 ./pm_nl_ctl limits 0 1
-	ip netns exec $ns2 ./pm_nl_ctl limits 1 1
-	ip netns exec $ns1 ./pm_nl_ctl add 10.0.2.1 flags signal
+	pm_nl_set_limits $ns1 0 1
+	pm_nl_set_limits $ns2 1 1
+	pm_nl_add_endpoint $ns1 10.0.2.1 flags signal
 	run_tests $ns1 $ns2 10.0.1.1
 	chk_join_nr "signal address" 1 1 1
 	chk_add_nr 1 1
@@ -1128,59 +1205,59 @@ signal_address_tests()
 	# belong to different subnets or one of the listed local address could be
 	# used for 'add_addr' subflow
 	reset
-	ip netns exec $ns1 ./pm_nl_ctl add 10.0.2.1 flags signal
-	ip netns exec $ns1 ./pm_nl_ctl limits 0 2
-	ip netns exec $ns2 ./pm_nl_ctl limits 1 2
-	ip netns exec $ns2 ./pm_nl_ctl add 10.0.3.2 flags subflow
+	pm_nl_add_endpoint $ns1 10.0.2.1 flags signal
+	pm_nl_set_limits $ns1 0 2
+	pm_nl_set_limits $ns2 1 2
+	pm_nl_add_endpoint $ns2 10.0.3.2 flags subflow
 	run_tests $ns1 $ns2 10.0.1.1
 	chk_join_nr "subflow and signal" 2 2 2
 	chk_add_nr 1 1
 
 	# accept and use add_addr with additional subflows
 	reset
-	ip netns exec $ns1 ./pm_nl_ctl limits 0 3
-	ip netns exec $ns1 ./pm_nl_ctl add 10.0.2.1 flags signal
-	ip netns exec $ns2 ./pm_nl_ctl limits 1 3
-	ip netns exec $ns2 ./pm_nl_ctl add 10.0.3.2 flags subflow
-	ip netns exec $ns2 ./pm_nl_ctl add 10.0.4.2 flags subflow
+	pm_nl_set_limits $ns1 0 3
+	pm_nl_add_endpoint $ns1 10.0.2.1 flags signal
+	pm_nl_set_limits $ns2 1 3
+	pm_nl_add_endpoint $ns2 10.0.3.2 flags subflow
+	pm_nl_add_endpoint $ns2 10.0.4.2 flags subflow
 	run_tests $ns1 $ns2 10.0.1.1
 	chk_join_nr "multiple subflows and signal" 3 3 3
 	chk_add_nr 1 1
 
 	# signal addresses
 	reset
-	ip netns exec $ns1 ./pm_nl_ctl limits 3 3
-	ip netns exec $ns1 ./pm_nl_ctl add 10.0.2.1 flags signal
-	ip netns exec $ns1 ./pm_nl_ctl add 10.0.3.1 flags signal
-	ip netns exec $ns1 ./pm_nl_ctl add 10.0.4.1 flags signal
-	ip netns exec $ns2 ./pm_nl_ctl limits 3 3
+	pm_nl_set_limits $ns1 3 3
+	pm_nl_add_endpoint $ns1 10.0.2.1 flags signal
+	pm_nl_add_endpoint $ns1 10.0.3.1 flags signal
+	pm_nl_add_endpoint $ns1 10.0.4.1 flags signal
+	pm_nl_set_limits $ns2 3 3
 	run_tests $ns1 $ns2 10.0.1.1
 	chk_join_nr "signal addresses" 3 3 3
 	chk_add_nr 3 3
 
 	# signal invalid addresses
 	reset
-	ip netns exec $ns1 ./pm_nl_ctl limits 3 3
-	ip netns exec $ns1 ./pm_nl_ctl add 10.0.12.1 flags signal
-	ip netns exec $ns1 ./pm_nl_ctl add 10.0.3.1 flags signal
-	ip netns exec $ns1 ./pm_nl_ctl add 10.0.14.1 flags signal
-	ip netns exec $ns2 ./pm_nl_ctl limits 3 3
+	pm_nl_set_limits $ns1 3 3
+	pm_nl_add_endpoint $ns1 10.0.12.1 flags signal
+	pm_nl_add_endpoint $ns1 10.0.3.1 flags signal
+	pm_nl_add_endpoint $ns1 10.0.14.1 flags signal
+	pm_nl_set_limits $ns2 3 3
 	run_tests $ns1 $ns2 10.0.1.1
 	chk_join_nr "signal invalid addresses" 1 1 1
 	chk_add_nr 3 3
 
 	# signal addresses race test
 	reset
-	ip netns exec $ns1 ./pm_nl_ctl limits 4 4
-	ip netns exec $ns2 ./pm_nl_ctl limits 4 4
-	ip netns exec $ns1 ./pm_nl_ctl add 10.0.1.1 flags signal
-	ip netns exec $ns1 ./pm_nl_ctl add 10.0.2.1 flags signal
-	ip netns exec $ns1 ./pm_nl_ctl add 10.0.3.1 flags signal
-	ip netns exec $ns1 ./pm_nl_ctl add 10.0.4.1 flags signal
-	ip netns exec $ns2 ./pm_nl_ctl add 10.0.1.2 flags signal
-	ip netns exec $ns2 ./pm_nl_ctl add 10.0.2.2 flags signal
-	ip netns exec $ns2 ./pm_nl_ctl add 10.0.3.2 flags signal
-	ip netns exec $ns2 ./pm_nl_ctl add 10.0.4.2 flags signal
+	pm_nl_set_limits $ns1 4 4
+	pm_nl_set_limits $ns2 4 4
+	pm_nl_add_endpoint $ns1 10.0.1.1 flags signal
+	pm_nl_add_endpoint $ns1 10.0.2.1 flags signal
+	pm_nl_add_endpoint $ns1 10.0.3.1 flags signal
+	pm_nl_add_endpoint $ns1 10.0.4.1 flags signal
+	pm_nl_add_endpoint $ns2 10.0.1.2 flags signal
+	pm_nl_add_endpoint $ns2 10.0.2.2 flags signal
+	pm_nl_add_endpoint $ns2 10.0.3.2 flags signal
+	pm_nl_add_endpoint $ns2 10.0.4.2 flags signal
 	run_tests $ns1 $ns2 10.0.1.1
 
 	# the server will not signal the address terminating
@@ -1200,11 +1277,11 @@ link_failure_tests()
 	# active backup and link switch-over.
 	# Let's set some arbitrary (low) virtual link limits.
 	init_shapers
-	ip netns exec $ns1 ./pm_nl_ctl limits 0 3
-	ip netns exec $ns1 ./pm_nl_ctl add 10.0.2.1 dev ns1eth2 flags signal
-	ip netns exec $ns2 ./pm_nl_ctl limits 1 3
-	ip netns exec $ns2 ./pm_nl_ctl add 10.0.3.2 dev ns2eth3 flags subflow
-	ip netns exec $ns2 ./pm_nl_ctl add 10.0.4.2 dev ns2eth4 flags subflow
+	pm_nl_set_limits $ns1 0 3
+	pm_nl_add_endpoint $ns1 10.0.2.1 dev ns1eth2 flags signal
+	pm_nl_set_limits $ns2 1 3
+	pm_nl_add_endpoint $ns2 10.0.3.2 dev ns2eth3 flags subflow
+	pm_nl_add_endpoint $ns2 10.0.4.2 dev ns2eth4 flags subflow
 	run_tests $ns1 $ns2 10.0.1.1 1
 	chk_join_nr "multiple flows, signal, link failure" 3 3 3
 	chk_add_nr 1 1
@@ -1214,11 +1291,11 @@ link_failure_tests()
 	# for bidirectional transfer
 	reset
 	init_shapers
-	ip netns exec $ns1 ./pm_nl_ctl limits 0 3
-	ip netns exec $ns1 ./pm_nl_ctl add 10.0.2.1 dev ns1eth2 flags signal
-	ip netns exec $ns2 ./pm_nl_ctl limits 1 3
-	ip netns exec $ns2 ./pm_nl_ctl add 10.0.3.2 dev ns2eth3 flags subflow
-	ip netns exec $ns2 ./pm_nl_ctl add 10.0.4.2 dev ns2eth4 flags subflow
+	pm_nl_set_limits $ns1 0 3
+	pm_nl_add_endpoint $ns1 10.0.2.1 dev ns1eth2 flags signal
+	pm_nl_set_limits $ns2 1 3
+	pm_nl_add_endpoint $ns2 10.0.3.2 dev ns2eth3 flags subflow
+	pm_nl_add_endpoint $ns2 10.0.4.2 dev ns2eth4 flags subflow
 	run_tests $ns1 $ns2 10.0.1.1 2
 	chk_join_nr "multi flows, signal, bidi, link fail" 3 3 3
 	chk_add_nr 1 1
@@ -1228,11 +1305,11 @@ link_failure_tests()
 	# will never be used
 	reset
 	init_shapers
-	ip netns exec $ns1 ./pm_nl_ctl limits 0 2
-	ip netns exec $ns1 ./pm_nl_ctl add 10.0.2.1 dev ns1eth2 flags signal
-	ip netns exec $ns2 ./pm_nl_ctl limits 1 2
+	pm_nl_set_limits $ns1 0 2
+	pm_nl_add_endpoint $ns1 10.0.2.1 dev ns1eth2 flags signal
+	pm_nl_set_limits $ns2 1 2
 	export FAILING_LINKS="1"
-	ip netns exec $ns2 ./pm_nl_ctl add 10.0.3.2 dev ns2eth3 flags subflow,backup
+	pm_nl_add_endpoint $ns2 10.0.3.2 dev ns2eth3 flags subflow,backup
 	run_tests $ns1 $ns2 10.0.1.1 1
 	chk_join_nr "backup subflow unused, link failure" 2 2 2
 	chk_add_nr 1 1
@@ -1242,10 +1319,10 @@ link_failure_tests()
 	# the traffic
 	reset
 	init_shapers
-	ip netns exec $ns1 ./pm_nl_ctl limits 0 2
-	ip netns exec $ns1 ./pm_nl_ctl add 10.0.2.1 dev ns1eth2 flags signal
-	ip netns exec $ns2 ./pm_nl_ctl limits 1 2
-	ip netns exec $ns2 ./pm_nl_ctl add 10.0.3.2 dev ns2eth3 flags subflow,backup
+	pm_nl_set_limits $ns1 0 2
+	pm_nl_add_endpoint $ns1 10.0.2.1 dev ns1eth2 flags signal
+	pm_nl_set_limits $ns2 1 2
+	pm_nl_add_endpoint $ns2 10.0.3.2 dev ns2eth3 flags subflow,backup
 	export FAILING_LINKS="1 2"
 	run_tests $ns1 $ns2 10.0.1.1 1
 	chk_join_nr "backup flow used, multi links fail" 2 2 2
@@ -1257,10 +1334,10 @@ link_failure_tests()
 	# for bidirectional transfer
 	reset
 	init_shapers
-	ip netns exec $ns1 ./pm_nl_ctl limits 0 2
-	ip netns exec $ns1 ./pm_nl_ctl add 10.0.2.1 dev ns1eth2 flags signal
-	ip netns exec $ns2 ./pm_nl_ctl limits 1 3
-	ip netns exec $ns2 ./pm_nl_ctl add 10.0.3.2 dev ns2eth3 flags subflow,backup
+	pm_nl_set_limits $ns1 0 2
+	pm_nl_add_endpoint $ns1 10.0.2.1 dev ns1eth2 flags signal
+	pm_nl_set_limits $ns2 1 3
+	pm_nl_add_endpoint $ns2 10.0.3.2 dev ns2eth3 flags subflow,backup
 	run_tests $ns1 $ns2 10.0.1.1 2
 	chk_join_nr "backup flow used, bidi, link failure" 2 2 2
 	chk_add_nr 1 1
@@ -1272,38 +1349,38 @@ add_addr_timeout_tests()
 {
 	# add_addr timeout
 	reset_with_add_addr_timeout
-	ip netns exec $ns1 ./pm_nl_ctl limits 0 1
-	ip netns exec $ns2 ./pm_nl_ctl limits 1 1
-	ip netns exec $ns1 ./pm_nl_ctl add 10.0.2.1 flags signal
+	pm_nl_set_limits $ns1 0 1
+	pm_nl_set_limits $ns2 1 1
+	pm_nl_add_endpoint $ns1 10.0.2.1 flags signal
 	run_tests $ns1 $ns2 10.0.1.1 0 0 0 slow
 	chk_join_nr "signal address, ADD_ADDR timeout" 1 1 1
 	chk_add_nr 4 0
 
 	# add_addr timeout IPv6
 	reset_with_add_addr_timeout 6
-	ip netns exec $ns1 ./pm_nl_ctl limits 0 1
-	ip netns exec $ns2 ./pm_nl_ctl limits 1 1
-	ip netns exec $ns1 ./pm_nl_ctl add dead:beef:2::1 flags signal
+	pm_nl_set_limits $ns1 0 1
+	pm_nl_set_limits $ns2 1 1
+	pm_nl_add_endpoint $ns1 dead:beef:2::1 flags signal
 	run_tests $ns1 $ns2 dead:beef:1::1 0 0 0 slow
 	chk_join_nr "signal address, ADD_ADDR6 timeout" 1 1 1
 	chk_add_nr 4 0
 
 	# signal addresses timeout
 	reset_with_add_addr_timeout
-	ip netns exec $ns1 ./pm_nl_ctl limits 2 2
-	ip netns exec $ns1 ./pm_nl_ctl add 10.0.2.1 flags signal
-	ip netns exec $ns1 ./pm_nl_ctl add 10.0.3.1 flags signal
-	ip netns exec $ns2 ./pm_nl_ctl limits 2 2
+	pm_nl_set_limits $ns1 2 2
+	pm_nl_add_endpoint $ns1 10.0.2.1 flags signal
+	pm_nl_add_endpoint $ns1 10.0.3.1 flags signal
+	pm_nl_set_limits $ns2 2 2
 	run_tests $ns1 $ns2 10.0.1.1 0 0 0 least
 	chk_join_nr "signal addresses, ADD_ADDR timeout" 2 2 2
 	chk_add_nr 8 0
 
 	# signal invalid addresses timeout
 	reset_with_add_addr_timeout
-	ip netns exec $ns1 ./pm_nl_ctl limits 2 2
-	ip netns exec $ns1 ./pm_nl_ctl add 10.0.12.1 flags signal
-	ip netns exec $ns1 ./pm_nl_ctl add 10.0.3.1 flags signal
-	ip netns exec $ns2 ./pm_nl_ctl limits 2 2
+	pm_nl_set_limits $ns1 2 2
+	pm_nl_add_endpoint $ns1 10.0.12.1 flags signal
+	pm_nl_add_endpoint $ns1 10.0.3.1 flags signal
+	pm_nl_set_limits $ns2 2 2
 	run_tests $ns1 $ns2 10.0.1.1 0 0 0 least
 	chk_join_nr "invalid address, ADD_ADDR timeout" 1 1 1
 	chk_add_nr 8 0
@@ -1313,28 +1390,28 @@ remove_tests()
 {
 	# single subflow, remove
 	reset
-	ip netns exec $ns1 ./pm_nl_ctl limits 0 1
-	ip netns exec $ns2 ./pm_nl_ctl limits 0 1
-	ip netns exec $ns2 ./pm_nl_ctl add 10.0.3.2 flags subflow
+	pm_nl_set_limits $ns1 0 1
+	pm_nl_set_limits $ns2 0 1
+	pm_nl_add_endpoint $ns2 10.0.3.2 flags subflow
 	run_tests $ns1 $ns2 10.0.1.1 0 0 -1 slow
 	chk_join_nr "remove single subflow" 1 1 1
 	chk_rm_nr 1 1
 
 	# multiple subflows, remove
 	reset
-	ip netns exec $ns1 ./pm_nl_ctl limits 0 2
-	ip netns exec $ns2 ./pm_nl_ctl limits 0 2
-	ip netns exec $ns2 ./pm_nl_ctl add 10.0.2.2 flags subflow
-	ip netns exec $ns2 ./pm_nl_ctl add 10.0.3.2 flags subflow
+	pm_nl_set_limits $ns1 0 2
+	pm_nl_set_limits $ns2 0 2
+	pm_nl_add_endpoint $ns2 10.0.2.2 flags subflow
+	pm_nl_add_endpoint $ns2 10.0.3.2 flags subflow
 	run_tests $ns1 $ns2 10.0.1.1 0 0 -2 slow
 	chk_join_nr "remove multiple subflows" 2 2 2
 	chk_rm_nr 2 2
 
 	# single address, remove
 	reset
-	ip netns exec $ns1 ./pm_nl_ctl limits 0 1
-	ip netns exec $ns1 ./pm_nl_ctl add 10.0.2.1 flags signal
-	ip netns exec $ns2 ./pm_nl_ctl limits 1 1
+	pm_nl_set_limits $ns1 0 1
+	pm_nl_add_endpoint $ns1 10.0.2.1 flags signal
+	pm_nl_set_limits $ns2 1 1
 	run_tests $ns1 $ns2 10.0.1.1 0 -1 0 slow
 	chk_join_nr "remove single address" 1 1 1
 	chk_add_nr 1 1
@@ -1342,10 +1419,10 @@ remove_tests()
 
 	# subflow and signal, remove
 	reset
-	ip netns exec $ns1 ./pm_nl_ctl limits 0 2
-	ip netns exec $ns1 ./pm_nl_ctl add 10.0.2.1 flags signal
-	ip netns exec $ns2 ./pm_nl_ctl limits 1 2
-	ip netns exec $ns2 ./pm_nl_ctl add 10.0.3.2 flags subflow
+	pm_nl_set_limits $ns1 0 2
+	pm_nl_add_endpoint $ns1 10.0.2.1 flags signal
+	pm_nl_set_limits $ns2 1 2
+	pm_nl_add_endpoint $ns2 10.0.3.2 flags subflow
 	run_tests $ns1 $ns2 10.0.1.1 0 -1 -1 slow
 	chk_join_nr "remove subflow and signal" 2 2 2
 	chk_add_nr 1 1
@@ -1353,11 +1430,11 @@ remove_tests()
 
 	# subflows and signal, remove
 	reset
-	ip netns exec $ns1 ./pm_nl_ctl limits 0 3
-	ip netns exec $ns1 ./pm_nl_ctl add 10.0.2.1 flags signal
-	ip netns exec $ns2 ./pm_nl_ctl limits 1 3
-	ip netns exec $ns2 ./pm_nl_ctl add 10.0.3.2 flags subflow
-	ip netns exec $ns2 ./pm_nl_ctl add 10.0.4.2 flags subflow
+	pm_nl_set_limits $ns1 0 3
+	pm_nl_add_endpoint $ns1 10.0.2.1 flags signal
+	pm_nl_set_limits $ns2 1 3
+	pm_nl_add_endpoint $ns2 10.0.3.2 flags subflow
+	pm_nl_add_endpoint $ns2 10.0.4.2 flags subflow
 	run_tests $ns1 $ns2 10.0.1.1 0 -1 -2 slow
 	chk_join_nr "remove subflows and signal" 3 3 3
 	chk_add_nr 1 1
@@ -1365,11 +1442,11 @@ remove_tests()
 
 	# addresses remove
 	reset
-	ip netns exec $ns1 ./pm_nl_ctl limits 3 3
-	ip netns exec $ns1 ./pm_nl_ctl add 10.0.2.1 flags signal id 250
-	ip netns exec $ns1 ./pm_nl_ctl add 10.0.3.1 flags signal
-	ip netns exec $ns1 ./pm_nl_ctl add 10.0.4.1 flags signal
-	ip netns exec $ns2 ./pm_nl_ctl limits 3 3
+	pm_nl_set_limits $ns1 3 3
+	pm_nl_add_endpoint $ns1 10.0.2.1 flags signal id 250
+	pm_nl_add_endpoint $ns1 10.0.3.1 flags signal
+	pm_nl_add_endpoint $ns1 10.0.4.1 flags signal
+	pm_nl_set_limits $ns2 3 3
 	run_tests $ns1 $ns2 10.0.1.1 0 -3 0 slow
 	chk_join_nr "remove addresses" 3 3 3
 	chk_add_nr 3 3
@@ -1377,11 +1454,11 @@ remove_tests()
 
 	# invalid addresses remove
 	reset
-	ip netns exec $ns1 ./pm_nl_ctl limits 3 3
-	ip netns exec $ns1 ./pm_nl_ctl add 10.0.12.1 flags signal
-	ip netns exec $ns1 ./pm_nl_ctl add 10.0.3.1 flags signal
-	ip netns exec $ns1 ./pm_nl_ctl add 10.0.14.1 flags signal
-	ip netns exec $ns2 ./pm_nl_ctl limits 3 3
+	pm_nl_set_limits $ns1 3 3
+	pm_nl_add_endpoint $ns1 10.0.12.1 flags signal
+	pm_nl_add_endpoint $ns1 10.0.3.1 flags signal
+	pm_nl_add_endpoint $ns1 10.0.14.1 flags signal
+	pm_nl_set_limits $ns2 3 3
 	run_tests $ns1 $ns2 10.0.1.1 0 -3 0 slow
 	chk_join_nr "remove invalid addresses" 1 1 1
 	chk_add_nr 3 3
@@ -1389,11 +1466,11 @@ remove_tests()
 
 	# subflows and signal, flush
 	reset
-	ip netns exec $ns1 ./pm_nl_ctl limits 0 3
-	ip netns exec $ns1 ./pm_nl_ctl add 10.0.2.1 flags signal
-	ip netns exec $ns2 ./pm_nl_ctl limits 1 3
-	ip netns exec $ns2 ./pm_nl_ctl add 10.0.3.2 flags subflow
-	ip netns exec $ns2 ./pm_nl_ctl add 10.0.4.2 flags subflow
+	pm_nl_set_limits $ns1 0 3
+	pm_nl_add_endpoint $ns1 10.0.2.1 flags signal
+	pm_nl_set_limits $ns2 1 3
+	pm_nl_add_endpoint $ns2 10.0.3.2 flags subflow
+	pm_nl_add_endpoint $ns2 10.0.4.2 flags subflow
 	run_tests $ns1 $ns2 10.0.1.1 0 -8 -8 slow
 	chk_join_nr "flush subflows and signal" 3 3 3
 	chk_add_nr 1 1
@@ -1401,22 +1478,22 @@ remove_tests()
 
 	# subflows flush
 	reset
-	ip netns exec $ns1 ./pm_nl_ctl limits 3 3
-	ip netns exec $ns2 ./pm_nl_ctl limits 3 3
-	ip netns exec $ns2 ./pm_nl_ctl add 10.0.2.2 flags subflow id 150
-	ip netns exec $ns2 ./pm_nl_ctl add 10.0.3.2 flags subflow
-	ip netns exec $ns2 ./pm_nl_ctl add 10.0.4.2 flags subflow
+	pm_nl_set_limits $ns1 3 3
+	pm_nl_set_limits $ns2 3 3
+	pm_nl_add_endpoint $ns2 10.0.2.2 flags subflow id 150
+	pm_nl_add_endpoint $ns2 10.0.3.2 flags subflow
+	pm_nl_add_endpoint $ns2 10.0.4.2 flags subflow
 	run_tests $ns1 $ns2 10.0.1.1 0 -8 -8 slow
 	chk_join_nr "flush subflows" 3 3 3
 	chk_rm_nr 3 3
 
 	# addresses flush
 	reset
-	ip netns exec $ns1 ./pm_nl_ctl limits 3 3
-	ip netns exec $ns1 ./pm_nl_ctl add 10.0.2.1 flags signal id 250
-	ip netns exec $ns1 ./pm_nl_ctl add 10.0.3.1 flags signal
-	ip netns exec $ns1 ./pm_nl_ctl add 10.0.4.1 flags signal
-	ip netns exec $ns2 ./pm_nl_ctl limits 3 3
+	pm_nl_set_limits $ns1 3 3
+	pm_nl_add_endpoint $ns1 10.0.2.1 flags signal id 250
+	pm_nl_add_endpoint $ns1 10.0.3.1 flags signal
+	pm_nl_add_endpoint $ns1 10.0.4.1 flags signal
+	pm_nl_set_limits $ns2 3 3
 	run_tests $ns1 $ns2 10.0.1.1 0 -8 -8 slow
 	chk_join_nr "flush addresses" 3 3 3
 	chk_add_nr 3 3
@@ -1424,11 +1501,11 @@ remove_tests()
 
 	# invalid addresses flush
 	reset
-	ip netns exec $ns1 ./pm_nl_ctl limits 3 3
-	ip netns exec $ns1 ./pm_nl_ctl add 10.0.12.1 flags signal
-	ip netns exec $ns1 ./pm_nl_ctl add 10.0.3.1 flags signal
-	ip netns exec $ns1 ./pm_nl_ctl add 10.0.14.1 flags signal
-	ip netns exec $ns2 ./pm_nl_ctl limits 3 3
+	pm_nl_set_limits $ns1 3 3
+	pm_nl_add_endpoint $ns1 10.0.12.1 flags signal
+	pm_nl_add_endpoint $ns1 10.0.3.1 flags signal
+	pm_nl_add_endpoint $ns1 10.0.14.1 flags signal
+	pm_nl_set_limits $ns2 3 3
 	run_tests $ns1 $ns2 10.0.1.1 0 -8 0 slow
 	chk_join_nr "flush invalid addresses" 1 1 1
 	chk_add_nr 3 3
@@ -1436,18 +1513,18 @@ remove_tests()
 
 	# remove id 0 subflow
 	reset
-	ip netns exec $ns1 ./pm_nl_ctl limits 0 1
-	ip netns exec $ns2 ./pm_nl_ctl limits 0 1
-	ip netns exec $ns2 ./pm_nl_ctl add 10.0.3.2 flags subflow
+	pm_nl_set_limits $ns1 0 1
+	pm_nl_set_limits $ns2 0 1
+	pm_nl_add_endpoint $ns2 10.0.3.2 flags subflow
 	run_tests $ns1 $ns2 10.0.1.1 0 0 -9 slow
 	chk_join_nr "remove id 0 subflow" 1 1 1
 	chk_rm_nr 1 1
 
 	# remove id 0 address
 	reset
-	ip netns exec $ns1 ./pm_nl_ctl limits 0 1
-	ip netns exec $ns1 ./pm_nl_ctl add 10.0.2.1 flags signal
-	ip netns exec $ns2 ./pm_nl_ctl limits 1 1
+	pm_nl_set_limits $ns1 0 1
+	pm_nl_add_endpoint $ns1 10.0.2.1 flags signal
+	pm_nl_set_limits $ns2 1 1
 	run_tests $ns1 $ns2 10.0.1.1 0 -9 0 slow
 	chk_join_nr "remove id 0 address" 1 1 1
 	chk_add_nr 1 1
@@ -1458,37 +1535,37 @@ add_tests()
 {
 	# add single subflow
 	reset
-	ip netns exec $ns1 ./pm_nl_ctl limits 0 1
-	ip netns exec $ns2 ./pm_nl_ctl limits 0 1
+	pm_nl_set_limits $ns1 0 1
+	pm_nl_set_limits $ns2 0 1
 	run_tests $ns1 $ns2 10.0.1.1 0 0 1 slow
 	chk_join_nr "add single subflow" 1 1 1
 
 	# add signal address
 	reset
-	ip netns exec $ns1 ./pm_nl_ctl limits 0 1
-	ip netns exec $ns2 ./pm_nl_ctl limits 1 1
+	pm_nl_set_limits $ns1 0 1
+	pm_nl_set_limits $ns2 1 1
 	run_tests $ns1 $ns2 10.0.1.1 0 1 0 slow
 	chk_join_nr "add signal address" 1 1 1
 	chk_add_nr 1 1
 
 	# add multiple subflows
 	reset
-	ip netns exec $ns1 ./pm_nl_ctl limits 0 2
-	ip netns exec $ns2 ./pm_nl_ctl limits 0 2
+	pm_nl_set_limits $ns1 0 2
+	pm_nl_set_limits $ns2 0 2
 	run_tests $ns1 $ns2 10.0.1.1 0 0 2 slow
 	chk_join_nr "add multiple subflows" 2 2 2
 
 	# add multiple subflows IPv6
 	reset
-	ip netns exec $ns1 ./pm_nl_ctl limits 0 2
-	ip netns exec $ns2 ./pm_nl_ctl limits 0 2
+	pm_nl_set_limits $ns1 0 2
+	pm_nl_set_limits $ns2 0 2
 	run_tests $ns1 $ns2 dead:beef:1::1 0 0 2 slow
 	chk_join_nr "add multiple subflows IPv6" 2 2 2
 
 	# add multiple addresses IPv6
 	reset
-	ip netns exec $ns1 ./pm_nl_ctl limits 0 2
-	ip netns exec $ns2 ./pm_nl_ctl limits 2 2
+	pm_nl_set_limits $ns1 0 2
+	pm_nl_set_limits $ns2 2 2
 	run_tests $ns1 $ns2 dead:beef:1::1 0 2 0 slow
 	chk_join_nr "add multiple addresses IPv6" 2 2 2
 	chk_add_nr 2 2
@@ -1498,33 +1575,33 @@ ipv6_tests()
 {
 	# subflow IPv6
 	reset
-	ip netns exec $ns1 ./pm_nl_ctl limits 0 1
-	ip netns exec $ns2 ./pm_nl_ctl limits 0 1
-	ip netns exec $ns2 ./pm_nl_ctl add dead:beef:3::2 dev ns2eth3 flags subflow
+	pm_nl_set_limits $ns1 0 1
+	pm_nl_set_limits $ns2 0 1
+	pm_nl_add_endpoint $ns2 dead:beef:3::2 dev ns2eth3 flags subflow
 	run_tests $ns1 $ns2 dead:beef:1::1 0 0 0 slow
 	chk_join_nr "single subflow IPv6" 1 1 1
 
 	# add_address, unused IPv6
 	reset
-	ip netns exec $ns1 ./pm_nl_ctl add dead:beef:2::1 flags signal
+	pm_nl_add_endpoint $ns1 dead:beef:2::1 flags signal
 	run_tests $ns1 $ns2 dead:beef:1::1 0 0 0 slow
 	chk_join_nr "unused signal address IPv6" 0 0 0
 	chk_add_nr 1 1
 
 	# signal address IPv6
 	reset
-	ip netns exec $ns1 ./pm_nl_ctl limits 0 1
-	ip netns exec $ns1 ./pm_nl_ctl add dead:beef:2::1 flags signal
-	ip netns exec $ns2 ./pm_nl_ctl limits 1 1
+	pm_nl_set_limits $ns1 0 1
+	pm_nl_add_endpoint $ns1 dead:beef:2::1 flags signal
+	pm_nl_set_limits $ns2 1 1
 	run_tests $ns1 $ns2 dead:beef:1::1 0 0 0 slow
 	chk_join_nr "single address IPv6" 1 1 1
 	chk_add_nr 1 1
 
 	# single address IPv6, remove
 	reset
-	ip netns exec $ns1 ./pm_nl_ctl limits 0 1
-	ip netns exec $ns1 ./pm_nl_ctl add dead:beef:2::1 flags signal
-	ip netns exec $ns2 ./pm_nl_ctl limits 1 1
+	pm_nl_set_limits $ns1 0 1
+	pm_nl_add_endpoint $ns1 dead:beef:2::1 flags signal
+	pm_nl_set_limits $ns2 1 1
 	run_tests $ns1 $ns2 dead:beef:1::1 0 -1 0 slow
 	chk_join_nr "remove single address IPv6" 1 1 1
 	chk_add_nr 1 1
@@ -1532,10 +1609,10 @@ ipv6_tests()
 
 	# subflow and signal IPv6, remove
 	reset
-	ip netns exec $ns1 ./pm_nl_ctl limits 0 2
-	ip netns exec $ns1 ./pm_nl_ctl add dead:beef:2::1 flags signal
-	ip netns exec $ns2 ./pm_nl_ctl limits 1 2
-	ip netns exec $ns2 ./pm_nl_ctl add dead:beef:3::2 dev ns2eth3 flags subflow
+	pm_nl_set_limits $ns1 0 2
+	pm_nl_add_endpoint $ns1 dead:beef:2::1 flags signal
+	pm_nl_set_limits $ns2 1 2
+	pm_nl_add_endpoint $ns2 dead:beef:3::2 dev ns2eth3 flags subflow
 	run_tests $ns1 $ns2 dead:beef:1::1 0 -1 -1 slow
 	chk_join_nr "remove subflow and signal IPv6" 2 2 2
 	chk_add_nr 1 1
@@ -1546,76 +1623,76 @@ v4mapped_tests()
 {
 	# subflow IPv4-mapped to IPv4-mapped
 	reset
-	ip netns exec $ns1 ./pm_nl_ctl limits 0 1
-	ip netns exec $ns2 ./pm_nl_ctl limits 0 1
-	ip netns exec $ns2 ./pm_nl_ctl add "::ffff:10.0.3.2" flags subflow
+	pm_nl_set_limits $ns1 0 1
+	pm_nl_set_limits $ns2 0 1
+	pm_nl_add_endpoint $ns2 "::ffff:10.0.3.2" flags subflow
 	run_tests $ns1 $ns2 "::ffff:10.0.1.1"
 	chk_join_nr "single subflow IPv4-mapped" 1 1 1
 
 	# signal address IPv4-mapped with IPv4-mapped sk
 	reset
-	ip netns exec $ns1 ./pm_nl_ctl limits 0 1
-	ip netns exec $ns2 ./pm_nl_ctl limits 1 1
-	ip netns exec $ns1 ./pm_nl_ctl add "::ffff:10.0.2.1" flags signal
+	pm_nl_set_limits $ns1 0 1
+	pm_nl_set_limits $ns2 1 1
+	pm_nl_add_endpoint $ns1 "::ffff:10.0.2.1" flags signal
 	run_tests $ns1 $ns2 "::ffff:10.0.1.1"
 	chk_join_nr "signal address IPv4-mapped" 1 1 1
 	chk_add_nr 1 1
 
 	# subflow v4-map-v6
 	reset
-	ip netns exec $ns1 ./pm_nl_ctl limits 0 1
-	ip netns exec $ns2 ./pm_nl_ctl limits 0 1
-	ip netns exec $ns2 ./pm_nl_ctl add 10.0.3.2 flags subflow
+	pm_nl_set_limits $ns1 0 1
+	pm_nl_set_limits $ns2 0 1
+	pm_nl_add_endpoint $ns2 10.0.3.2 flags subflow
 	run_tests $ns1 $ns2 "::ffff:10.0.1.1"
 	chk_join_nr "single subflow v4-map-v6" 1 1 1
 
 	# signal address v4-map-v6
 	reset
-	ip netns exec $ns1 ./pm_nl_ctl limits 0 1
-	ip netns exec $ns2 ./pm_nl_ctl limits 1 1
-	ip netns exec $ns1 ./pm_nl_ctl add 10.0.2.1 flags signal
+	pm_nl_set_limits $ns1 0 1
+	pm_nl_set_limits $ns2 1 1
+	pm_nl_add_endpoint $ns1 10.0.2.1 flags signal
 	run_tests $ns1 $ns2 "::ffff:10.0.1.1"
 	chk_join_nr "signal address v4-map-v6" 1 1 1
 	chk_add_nr 1 1
 
 	# subflow v6-map-v4
 	reset
-	ip netns exec $ns1 ./pm_nl_ctl limits 0 1
-	ip netns exec $ns2 ./pm_nl_ctl limits 0 1
-	ip netns exec $ns2 ./pm_nl_ctl add "::ffff:10.0.3.2" flags subflow
+	pm_nl_set_limits $ns1 0 1
+	pm_nl_set_limits $ns2 0 1
+	pm_nl_add_endpoint $ns2 "::ffff:10.0.3.2" flags subflow
 	run_tests $ns1 $ns2 10.0.1.1
 	chk_join_nr "single subflow v6-map-v4" 1 1 1
 
 	# signal address v6-map-v4
 	reset
-	ip netns exec $ns1 ./pm_nl_ctl limits 0 1
-	ip netns exec $ns2 ./pm_nl_ctl limits 1 1
-	ip netns exec $ns1 ./pm_nl_ctl add "::ffff:10.0.2.1" flags signal
+	pm_nl_set_limits $ns1 0 1
+	pm_nl_set_limits $ns2 1 1
+	pm_nl_add_endpoint $ns1 "::ffff:10.0.2.1" flags signal
 	run_tests $ns1 $ns2 10.0.1.1
 	chk_join_nr "signal address v6-map-v4" 1 1 1
 	chk_add_nr 1 1
 
 	# no subflow IPv6 to v4 address
 	reset
-	ip netns exec $ns1 ./pm_nl_ctl limits 0 1
-	ip netns exec $ns2 ./pm_nl_ctl limits 0 1
-	ip netns exec $ns2 ./pm_nl_ctl add dead:beef:2::2 flags subflow
+	pm_nl_set_limits $ns1 0 1
+	pm_nl_set_limits $ns2 0 1
+	pm_nl_add_endpoint $ns2 dead:beef:2::2 flags subflow
 	run_tests $ns1 $ns2 10.0.1.1
 	chk_join_nr "no JOIN with diff families v4-v6" 0 0 0
 
 	# no subflow IPv6 to v4 address even if v6 has a valid v4 at the end
 	reset
-	ip netns exec $ns1 ./pm_nl_ctl limits 0 1
-	ip netns exec $ns2 ./pm_nl_ctl limits 0 1
-	ip netns exec $ns2 ./pm_nl_ctl add dead:beef:2::10.0.3.2 flags subflow
+	pm_nl_set_limits $ns1 0 1
+	pm_nl_set_limits $ns2 0 1
+	pm_nl_add_endpoint $ns2 dead:beef:2::10.0.3.2 flags subflow
 	run_tests $ns1 $ns2 10.0.1.1
 	chk_join_nr "no JOIN with diff families v4-v6-2" 0 0 0
 
 	# no subflow IPv4 to v6 address, no need to slow down too then
 	reset
-	ip netns exec $ns1 ./pm_nl_ctl limits 0 1
-	ip netns exec $ns2 ./pm_nl_ctl limits 0 1
-	ip netns exec $ns2 ./pm_nl_ctl add 10.0.3.2 flags subflow
+	pm_nl_set_limits $ns1 0 1
+	pm_nl_set_limits $ns2 0 1
+	pm_nl_add_endpoint $ns2 10.0.3.2 flags subflow
 	run_tests $ns1 $ns2 dead:beef:1::1
 	chk_join_nr "no JOIN with diff families v6-v4" 0 0 0
 }
@@ -1624,18 +1701,18 @@ backup_tests()
 {
 	# single subflow, backup
 	reset
-	ip netns exec $ns1 ./pm_nl_ctl limits 0 1
-	ip netns exec $ns2 ./pm_nl_ctl limits 0 1
-	ip netns exec $ns2 ./pm_nl_ctl add 10.0.3.2 flags subflow,backup
+	pm_nl_set_limits $ns1 0 1
+	pm_nl_set_limits $ns2 0 1
+	pm_nl_add_endpoint $ns2 10.0.3.2 flags subflow,backup
 	run_tests $ns1 $ns2 10.0.1.1 0 0 0 slow nobackup
 	chk_join_nr "single subflow, backup" 1 1 1
 	chk_prio_nr 0 1
 
 	# single address, backup
 	reset
-	ip netns exec $ns1 ./pm_nl_ctl limits 0 1
-	ip netns exec $ns1 ./pm_nl_ctl add 10.0.2.1 flags signal
-	ip netns exec $ns2 ./pm_nl_ctl limits 1 1
+	pm_nl_set_limits $ns1 0 1
+	pm_nl_add_endpoint $ns1 10.0.2.1 flags signal
+	pm_nl_set_limits $ns2 1 1
 	run_tests $ns1 $ns2 10.0.1.1 0 0 0 slow backup
 	chk_join_nr "single address, backup" 1 1 1
 	chk_add_nr 1 1
@@ -1643,9 +1720,9 @@ backup_tests()
 
 	# single address with port, backup
 	reset
-	ip netns exec $ns1 ./pm_nl_ctl limits 0 1
-	ip netns exec $ns1 ./pm_nl_ctl add 10.0.2.1 flags signal port 10100
-	ip netns exec $ns2 ./pm_nl_ctl limits 1 1
+	pm_nl_set_limits $ns1 0 1
+	pm_nl_add_endpoint $ns1 10.0.2.1 flags signal port 10100
+	pm_nl_set_limits $ns2 1 1
 	run_tests $ns1 $ns2 10.0.1.1 0 0 0 slow backup
 	chk_join_nr "single address with port, backup" 1 1 1
 	chk_add_nr 1 1
@@ -1656,28 +1733,28 @@ add_addr_ports_tests()
 {
 	# signal address with port
 	reset
-	ip netns exec $ns1 ./pm_nl_ctl limits 0 1
-	ip netns exec $ns2 ./pm_nl_ctl limits 1 1
-	ip netns exec $ns1 ./pm_nl_ctl add 10.0.2.1 flags signal port 10100
+	pm_nl_set_limits $ns1 0 1
+	pm_nl_set_limits $ns2 1 1
+	pm_nl_add_endpoint $ns1 10.0.2.1 flags signal port 10100
 	run_tests $ns1 $ns2 10.0.1.1
 	chk_join_nr "signal address with port" 1 1 1
 	chk_add_nr 1 1 1
 
 	# subflow and signal with port
 	reset
-	ip netns exec $ns1 ./pm_nl_ctl add 10.0.2.1 flags signal port 10100
-	ip netns exec $ns1 ./pm_nl_ctl limits 0 2
-	ip netns exec $ns2 ./pm_nl_ctl limits 1 2
-	ip netns exec $ns2 ./pm_nl_ctl add 10.0.3.2 flags subflow
+	pm_nl_add_endpoint $ns1 10.0.2.1 flags signal port 10100
+	pm_nl_set_limits $ns1 0 2
+	pm_nl_set_limits $ns2 1 2
+	pm_nl_add_endpoint $ns2 10.0.3.2 flags subflow
 	run_tests $ns1 $ns2 10.0.1.1
 	chk_join_nr "subflow and signal with port" 2 2 2
 	chk_add_nr 1 1 1
 
 	# single address with port, remove
 	reset
-	ip netns exec $ns1 ./pm_nl_ctl limits 0 1
-	ip netns exec $ns1 ./pm_nl_ctl add 10.0.2.1 flags signal port 10100
-	ip netns exec $ns2 ./pm_nl_ctl limits 1 1
+	pm_nl_set_limits $ns1 0 1
+	pm_nl_add_endpoint $ns1 10.0.2.1 flags signal port 10100
+	pm_nl_set_limits $ns2 1 1
 	run_tests $ns1 $ns2 10.0.1.1 0 -1 0 slow
 	chk_join_nr "remove single address with port" 1 1 1
 	chk_add_nr 1 1 1
@@ -1685,10 +1762,10 @@ add_addr_ports_tests()
 
 	# subflow and signal with port, remove
 	reset
-	ip netns exec $ns1 ./pm_nl_ctl limits 0 2
-	ip netns exec $ns1 ./pm_nl_ctl add 10.0.2.1 flags signal port 10100
-	ip netns exec $ns2 ./pm_nl_ctl limits 1 2
-	ip netns exec $ns2 ./pm_nl_ctl add 10.0.3.2 flags subflow
+	pm_nl_set_limits $ns1 0 2
+	pm_nl_add_endpoint $ns1 10.0.2.1 flags signal port 10100
+	pm_nl_set_limits $ns2 1 2
+	pm_nl_add_endpoint $ns2 10.0.3.2 flags subflow
 	run_tests $ns1 $ns2 10.0.1.1 0 -1 -1 slow
 	chk_join_nr "remove subflow and signal with port" 2 2 2
 	chk_add_nr 1 1 1
@@ -1696,11 +1773,11 @@ add_addr_ports_tests()
 
 	# subflows and signal with port, flush
 	reset
-	ip netns exec $ns1 ./pm_nl_ctl limits 0 3
-	ip netns exec $ns1 ./pm_nl_ctl add 10.0.2.1 flags signal port 10100
-	ip netns exec $ns2 ./pm_nl_ctl limits 1 3
-	ip netns exec $ns2 ./pm_nl_ctl add 10.0.3.2 flags subflow
-	ip netns exec $ns2 ./pm_nl_ctl add 10.0.4.2 flags subflow
+	pm_nl_set_limits $ns1 0 3
+	pm_nl_add_endpoint $ns1 10.0.2.1 flags signal port 10100
+	pm_nl_set_limits $ns2 1 3
+	pm_nl_add_endpoint $ns2 10.0.3.2 flags subflow
+	pm_nl_add_endpoint $ns2 10.0.4.2 flags subflow
 	run_tests $ns1 $ns2 10.0.1.1 0 -8 -2 slow
 	chk_join_nr "flush subflows and signal with port" 3 3 3
 	chk_add_nr 1 1
@@ -1708,20 +1785,20 @@ add_addr_ports_tests()
 
 	# multiple addresses with port
 	reset
-	ip netns exec $ns1 ./pm_nl_ctl limits 2 2
-	ip netns exec $ns1 ./pm_nl_ctl add 10.0.2.1 flags signal port 10100
-	ip netns exec $ns1 ./pm_nl_ctl add 10.0.3.1 flags signal port 10100
-	ip netns exec $ns2 ./pm_nl_ctl limits 2 2
+	pm_nl_set_limits $ns1 2 2
+	pm_nl_add_endpoint $ns1 10.0.2.1 flags signal port 10100
+	pm_nl_add_endpoint $ns1 10.0.3.1 flags signal port 10100
+	pm_nl_set_limits $ns2 2 2
 	run_tests $ns1 $ns2 10.0.1.1
 	chk_join_nr "multiple addresses with port" 2 2 2
 	chk_add_nr 2 2 2
 
 	# multiple addresses with ports
 	reset
-	ip netns exec $ns1 ./pm_nl_ctl limits 2 2
-	ip netns exec $ns1 ./pm_nl_ctl add 10.0.2.1 flags signal port 10100
-	ip netns exec $ns1 ./pm_nl_ctl add 10.0.3.1 flags signal port 10101
-	ip netns exec $ns2 ./pm_nl_ctl limits 2 2
+	pm_nl_set_limits $ns1 2 2
+	pm_nl_add_endpoint $ns1 10.0.2.1 flags signal port 10100
+	pm_nl_add_endpoint $ns1 10.0.3.1 flags signal port 10101
+	pm_nl_set_limits $ns2 2 2
 	run_tests $ns1 $ns2 10.0.1.1
 	chk_join_nr "multiple addresses with ports" 2 2 2
 	chk_add_nr 2 2 2
@@ -1731,56 +1808,56 @@ syncookies_tests()
 {
 	# single subflow, syncookies
 	reset_with_cookies
-	ip netns exec $ns1 ./pm_nl_ctl limits 0 1
-	ip netns exec $ns2 ./pm_nl_ctl limits 0 1
-	ip netns exec $ns2 ./pm_nl_ctl add 10.0.3.2 flags subflow
+	pm_nl_set_limits $ns1 0 1
+	pm_nl_set_limits $ns2 0 1
+	pm_nl_add_endpoint $ns2 10.0.3.2 flags subflow
 	run_tests $ns1 $ns2 10.0.1.1
 	chk_join_nr "single subflow with syn cookies" 1 1 1
 
 	# multiple subflows with syn cookies
 	reset_with_cookies
-	ip netns exec $ns1 ./pm_nl_ctl limits 0 2
-	ip netns exec $ns2 ./pm_nl_ctl limits 0 2
-	ip netns exec $ns2 ./pm_nl_ctl add 10.0.3.2 flags subflow
-	ip netns exec $ns2 ./pm_nl_ctl add 10.0.2.2 flags subflow
+	pm_nl_set_limits $ns1 0 2
+	pm_nl_set_limits $ns2 0 2
+	pm_nl_add_endpoint $ns2 10.0.3.2 flags subflow
+	pm_nl_add_endpoint $ns2 10.0.2.2 flags subflow
 	run_tests $ns1 $ns2 10.0.1.1
 	chk_join_nr "multiple subflows with syn cookies" 2 2 2
 
 	# multiple subflows limited by server
 	reset_with_cookies
-	ip netns exec $ns1 ./pm_nl_ctl limits 0 1
-	ip netns exec $ns2 ./pm_nl_ctl limits 0 2
-	ip netns exec $ns2 ./pm_nl_ctl add 10.0.3.2 flags subflow
-	ip netns exec $ns2 ./pm_nl_ctl add 10.0.2.2 flags subflow
+	pm_nl_set_limits $ns1 0 1
+	pm_nl_set_limits $ns2 0 2
+	pm_nl_add_endpoint $ns2 10.0.3.2 flags subflow
+	pm_nl_add_endpoint $ns2 10.0.2.2 flags subflow
 	run_tests $ns1 $ns2 10.0.1.1
 	chk_join_nr "subflows limited by server w cookies" 2 1 1
 
 	# test signal address with cookies
 	reset_with_cookies
-	ip netns exec $ns1 ./pm_nl_ctl limits 0 1
-	ip netns exec $ns2 ./pm_nl_ctl limits 1 1
-	ip netns exec $ns1 ./pm_nl_ctl add 10.0.2.1 flags signal
+	pm_nl_set_limits $ns1 0 1
+	pm_nl_set_limits $ns2 1 1
+	pm_nl_add_endpoint $ns1 10.0.2.1 flags signal
 	run_tests $ns1 $ns2 10.0.1.1
 	chk_join_nr "signal address with syn cookies" 1 1 1
 	chk_add_nr 1 1
 
 	# test cookie with subflow and signal
 	reset_with_cookies
-	ip netns exec $ns1 ./pm_nl_ctl add 10.0.2.1 flags signal
-	ip netns exec $ns1 ./pm_nl_ctl limits 0 2
-	ip netns exec $ns2 ./pm_nl_ctl limits 1 2
-	ip netns exec $ns2 ./pm_nl_ctl add 10.0.3.2 flags subflow
+	pm_nl_add_endpoint $ns1 10.0.2.1 flags signal
+	pm_nl_set_limits $ns1 0 2
+	pm_nl_set_limits $ns2 1 2
+	pm_nl_add_endpoint $ns2 10.0.3.2 flags subflow
 	run_tests $ns1 $ns2 10.0.1.1
 	chk_join_nr "subflow and signal w cookies" 2 2 2
 	chk_add_nr 1 1
 
 	# accept and use add_addr with additional subflows
 	reset_with_cookies
-	ip netns exec $ns1 ./pm_nl_ctl limits 0 3
-	ip netns exec $ns1 ./pm_nl_ctl add 10.0.2.1 flags signal
-	ip netns exec $ns2 ./pm_nl_ctl limits 1 3
-	ip netns exec $ns2 ./pm_nl_ctl add 10.0.3.2 flags subflow
-	ip netns exec $ns2 ./pm_nl_ctl add 10.0.4.2 flags subflow
+	pm_nl_set_limits $ns1 0 3
+	pm_nl_add_endpoint $ns1 10.0.2.1 flags signal
+	pm_nl_set_limits $ns2 1 3
+	pm_nl_add_endpoint $ns2 10.0.3.2 flags subflow
+	pm_nl_add_endpoint $ns2 10.0.4.2 flags subflow
 	run_tests $ns1 $ns2 10.0.1.1
 	chk_join_nr "subflows and signal w. cookies" 3 3 3
 	chk_add_nr 1 1
@@ -1790,29 +1867,29 @@ checksum_tests()
 {
 	# checksum test 0 0
 	reset_with_checksum 0 0
-	ip netns exec $ns1 ./pm_nl_ctl limits 0 1
-	ip netns exec $ns2 ./pm_nl_ctl limits 0 1
+	pm_nl_set_limits $ns1 0 1
+	pm_nl_set_limits $ns2 0 1
 	run_tests $ns1 $ns2 10.0.1.1
 	chk_csum_nr "checksum test 0 0"
 
 	# checksum test 1 1
 	reset_with_checksum 1 1
-	ip netns exec $ns1 ./pm_nl_ctl limits 0 1
-	ip netns exec $ns2 ./pm_nl_ctl limits 0 1
+	pm_nl_set_limits $ns1 0 1
+	pm_nl_set_limits $ns2 0 1
 	run_tests $ns1 $ns2 10.0.1.1
 	chk_csum_nr "checksum test 1 1"
 
 	# checksum test 0 1
 	reset_with_checksum 0 1
-	ip netns exec $ns1 ./pm_nl_ctl limits 0 1
-	ip netns exec $ns2 ./pm_nl_ctl limits 0 1
+	pm_nl_set_limits $ns1 0 1
+	pm_nl_set_limits $ns2 0 1
 	run_tests $ns1 $ns2 10.0.1.1
 	chk_csum_nr "checksum test 0 1"
 
 	# checksum test 1 0
 	reset_with_checksum 1 0
-	ip netns exec $ns1 ./pm_nl_ctl limits 0 1
-	ip netns exec $ns2 ./pm_nl_ctl limits 0 1
+	pm_nl_set_limits $ns1 0 1
+	pm_nl_set_limits $ns2 0 1
 	run_tests $ns1 $ns2 10.0.1.1
 	chk_csum_nr "checksum test 1 0"
 }
@@ -1821,26 +1898,26 @@ deny_join_id0_tests()
 {
 	# subflow allow join id0 ns1
 	reset_with_allow_join_id0 1 0
-	ip netns exec $ns1 ./pm_nl_ctl limits 1 1
-	ip netns exec $ns2 ./pm_nl_ctl limits 1 1
-	ip netns exec $ns2 ./pm_nl_ctl add 10.0.3.2 flags subflow
+	pm_nl_set_limits $ns1 1 1
+	pm_nl_set_limits $ns2 1 1
+	pm_nl_add_endpoint $ns2 10.0.3.2 flags subflow
 	run_tests $ns1 $ns2 10.0.1.1
 	chk_join_nr "single subflow allow join id0 ns1" 1 1 1
 
 	# subflow allow join id0 ns2
 	reset_with_allow_join_id0 0 1
-	ip netns exec $ns1 ./pm_nl_ctl limits 1 1
-	ip netns exec $ns2 ./pm_nl_ctl limits 1 1
-	ip netns exec $ns2 ./pm_nl_ctl add 10.0.3.2 flags subflow
+	pm_nl_set_limits $ns1 1 1
+	pm_nl_set_limits $ns2 1 1
+	pm_nl_add_endpoint $ns2 10.0.3.2 flags subflow
 	run_tests $ns1 $ns2 10.0.1.1
 	chk_join_nr "single subflow allow join id0 ns2" 0 0 0
 
 	# signal address allow join id0 ns1
 	# ADD_ADDRs are not affected by allow_join_id0 value.
 	reset_with_allow_join_id0 1 0
-	ip netns exec $ns1 ./pm_nl_ctl limits 1 1
-	ip netns exec $ns2 ./pm_nl_ctl limits 1 1
-	ip netns exec $ns1 ./pm_nl_ctl add 10.0.2.1 flags signal
+	pm_nl_set_limits $ns1 1 1
+	pm_nl_set_limits $ns2 1 1
+	pm_nl_add_endpoint $ns1 10.0.2.1 flags signal
 	run_tests $ns1 $ns2 10.0.1.1
 	chk_join_nr "signal address allow join id0 ns1" 1 1 1
 	chk_add_nr 1 1
@@ -1848,28 +1925,28 @@ deny_join_id0_tests()
 	# signal address allow join id0 ns2
 	# ADD_ADDRs are not affected by allow_join_id0 value.
 	reset_with_allow_join_id0 0 1
-	ip netns exec $ns1 ./pm_nl_ctl limits 1 1
-	ip netns exec $ns2 ./pm_nl_ctl limits 1 1
-	ip netns exec $ns1 ./pm_nl_ctl add 10.0.2.1 flags signal
+	pm_nl_set_limits $ns1 1 1
+	pm_nl_set_limits $ns2 1 1
+	pm_nl_add_endpoint $ns1 10.0.2.1 flags signal
 	run_tests $ns1 $ns2 10.0.1.1
 	chk_join_nr "signal address allow join id0 ns2" 1 1 1
 	chk_add_nr 1 1
 
 	# subflow and address allow join id0 ns1
 	reset_with_allow_join_id0 1 0
-	ip netns exec $ns1 ./pm_nl_ctl limits 2 2
-	ip netns exec $ns2 ./pm_nl_ctl limits 2 2
-	ip netns exec $ns1 ./pm_nl_ctl add 10.0.2.1 flags signal
-	ip netns exec $ns2 ./pm_nl_ctl add 10.0.3.2 flags subflow
+	pm_nl_set_limits $ns1 2 2
+	pm_nl_set_limits $ns2 2 2
+	pm_nl_add_endpoint $ns1 10.0.2.1 flags signal
+	pm_nl_add_endpoint $ns2 10.0.3.2 flags subflow
 	run_tests $ns1 $ns2 10.0.1.1
 	chk_join_nr "subflow and address allow join id0 1" 2 2 2
 
 	# subflow and address allow join id0 ns2
 	reset_with_allow_join_id0 0 1
-	ip netns exec $ns1 ./pm_nl_ctl limits 2 2
-	ip netns exec $ns2 ./pm_nl_ctl limits 2 2
-	ip netns exec $ns1 ./pm_nl_ctl add 10.0.2.1 flags signal
-	ip netns exec $ns2 ./pm_nl_ctl add 10.0.3.2 flags subflow
+	pm_nl_set_limits $ns1 2 2
+	pm_nl_set_limits $ns2 2 2
+	pm_nl_add_endpoint $ns1 10.0.2.1 flags signal
+	pm_nl_add_endpoint $ns2 10.0.3.2 flags subflow
 	run_tests $ns1 $ns2 10.0.1.1
 	chk_join_nr "subflow and address allow join id0 2" 1 1 1
 }
@@ -1880,10 +1957,10 @@ fullmesh_tests()
 	# 2 fullmesh addrs in ns2, added before the connection,
 	# 1 non-fullmesh addr in ns1, added during the connection.
 	reset
-	ip netns exec $ns1 ./pm_nl_ctl limits 0 4
-	ip netns exec $ns2 ./pm_nl_ctl limits 1 4
-	ip netns exec $ns2 ./pm_nl_ctl add 10.0.2.2 flags subflow,fullmesh
-	ip netns exec $ns2 ./pm_nl_ctl add 10.0.3.2 flags subflow,fullmesh
+	pm_nl_set_limits $ns1 0 4
+	pm_nl_set_limits $ns2 1 4
+	pm_nl_add_endpoint $ns2 10.0.2.2 flags subflow,fullmesh
+	pm_nl_add_endpoint $ns2 10.0.3.2 flags subflow,fullmesh
 	run_tests $ns1 $ns2 10.0.1.1 0 1 0 slow
 	chk_join_nr "fullmesh test 2x1" 4 4 4
 	chk_add_nr 1 1
@@ -1892,9 +1969,9 @@ fullmesh_tests()
 	# 1 non-fullmesh addr in ns1, added before the connection,
 	# 1 fullmesh addr in ns2, added during the connection.
 	reset
-	ip netns exec $ns1 ./pm_nl_ctl limits 1 3
-	ip netns exec $ns2 ./pm_nl_ctl limits 1 3
-	ip netns exec $ns1 ./pm_nl_ctl add 10.0.2.1 flags signal
+	pm_nl_set_limits $ns1 1 3
+	pm_nl_set_limits $ns2 1 3
+	pm_nl_add_endpoint $ns1 10.0.2.1 flags signal
 	run_tests $ns1 $ns2 10.0.1.1 0 0 fullmesh_1 slow
 	chk_join_nr "fullmesh test 1x1" 3 3 3
 	chk_add_nr 1 1
@@ -1903,9 +1980,9 @@ fullmesh_tests()
 	# 1 non-fullmesh addr in ns1, added before the connection,
 	# 2 fullmesh addrs in ns2, added during the connection.
 	reset
-	ip netns exec $ns1 ./pm_nl_ctl limits 2 5
-	ip netns exec $ns2 ./pm_nl_ctl limits 1 5
-	ip netns exec $ns1 ./pm_nl_ctl add 10.0.2.1 flags signal
+	pm_nl_set_limits $ns1 2 5
+	pm_nl_set_limits $ns2 1 5
+	pm_nl_add_endpoint $ns1 10.0.2.1 flags signal
 	run_tests $ns1 $ns2 10.0.1.1 0 0 fullmesh_2 slow
 	chk_join_nr "fullmesh test 1x2" 5 5 5
 	chk_add_nr 1 1
@@ -1915,36 +1992,36 @@ fullmesh_tests()
 	# 2 fullmesh addrs in ns2, added during the connection,
 	# limit max_subflows to 4.
 	reset
-	ip netns exec $ns1 ./pm_nl_ctl limits 2 4
-	ip netns exec $ns2 ./pm_nl_ctl limits 1 4
-	ip netns exec $ns1 ./pm_nl_ctl add 10.0.2.1 flags signal
+	pm_nl_set_limits $ns1 2 4
+	pm_nl_set_limits $ns2 1 4
+	pm_nl_add_endpoint $ns1 10.0.2.1 flags signal
 	run_tests $ns1 $ns2 10.0.1.1 0 0 fullmesh_2 slow
 	chk_join_nr "fullmesh test 1x2, limited" 4 4 4
 	chk_add_nr 1 1
 
 	# set fullmesh flag
 	reset
-	ip netns exec $ns1 ./pm_nl_ctl limits 4 4
-	ip netns exec $ns1 ./pm_nl_ctl add 10.0.2.1 flags subflow
-	ip netns exec $ns2 ./pm_nl_ctl limits 4 4
+	pm_nl_set_limits $ns1 4 4
+	pm_nl_add_endpoint $ns1 10.0.2.1 flags subflow
+	pm_nl_set_limits $ns2 4 4
 	run_tests $ns1 $ns2 10.0.1.1 0 0 1 slow fullmesh
 	chk_join_nr "set fullmesh flag test" 2 2 2
 	chk_rm_nr 0 1
 
 	# set nofullmesh flag
 	reset
-	ip netns exec $ns1 ./pm_nl_ctl limits 4 4
-	ip netns exec $ns1 ./pm_nl_ctl add 10.0.2.1 flags subflow,fullmesh
-	ip netns exec $ns2 ./pm_nl_ctl limits 4 4
+	pm_nl_set_limits $ns1 4 4
+	pm_nl_add_endpoint $ns1 10.0.2.1 flags subflow,fullmesh
+	pm_nl_set_limits $ns2 4 4
 	run_tests $ns1 $ns2 10.0.1.1 0 0 fullmesh_1 slow nofullmesh
 	chk_join_nr "set nofullmesh flag test" 2 2 2
 	chk_rm_nr 0 1
 
 	# set backup,fullmesh flags
 	reset
-	ip netns exec $ns1 ./pm_nl_ctl limits 4 4
-	ip netns exec $ns1 ./pm_nl_ctl add 10.0.2.1 flags subflow
-	ip netns exec $ns2 ./pm_nl_ctl limits 4 4
+	pm_nl_set_limits $ns1 4 4
+	pm_nl_add_endpoint $ns1 10.0.2.1 flags subflow
+	pm_nl_set_limits $ns2 4 4
 	run_tests $ns1 $ns2 10.0.1.1 0 0 1 slow backup,fullmesh
 	chk_join_nr "set backup,fullmesh flags test" 2 2 2
 	chk_prio_nr 0 1
@@ -1952,9 +2029,9 @@ fullmesh_tests()
 
 	# set nobackup,nofullmesh flags
 	reset
-	ip netns exec $ns1 ./pm_nl_ctl limits 4 4
-	ip netns exec $ns2 ./pm_nl_ctl limits 4 4
-	ip netns exec $ns2 ./pm_nl_ctl add 10.0.2.2 flags subflow,backup,fullmesh
+	pm_nl_set_limits $ns1 4 4
+	pm_nl_set_limits $ns2 4 4
+	pm_nl_add_endpoint $ns2 10.0.2.2 flags subflow,backup,fullmesh
 	run_tests $ns1 $ns2 10.0.1.1 0 0 0 slow nobackup,nofullmesh
 	chk_join_nr "set nobackup,nofullmesh flags test" 2 2 2
 	chk_prio_nr 0 1
-- 
2.35.1


^ permalink raw reply related	[flat|nested] 11+ messages in thread

* [PATCH net-next 5/9] selftests: mptcp: add wrapper for showing addrs
  2022-02-05  0:03 [PATCH net-next 0/9] mptcp: Improve set-flags command and update self tests Mat Martineau
                   ` (3 preceding siblings ...)
  2022-02-05  0:03 ` [PATCH net-next 4/9] selftests: mptcp: add ip mptcp wrappers Mat Martineau
@ 2022-02-05  0:03 ` Mat Martineau
  2022-02-05  0:03 ` [PATCH net-next 6/9] selftests: mptcp: add wrapper for setting flags Mat Martineau
                   ` (4 subsequent siblings)
  9 siblings, 0 replies; 11+ messages in thread
From: Mat Martineau @ 2022-02-05  0:03 UTC (permalink / raw)
  To: netdev; +Cc: Geliang Tang, davem, kuba, matthieu.baerts, mptcp, Mat Martineau

From: Geliang Tang <geliang.tang@suse.com>

This patch implemented a new function named pm_nl_show_endpoints(), wrapped
the PM netlink commands 'ip mptcp endpoint show' and 'pm_nl_ctl dump' in
it, used a new argument 'ip_mptcp' to choose which one to use to show all
the PM endpoints.

Used this wrapper in do_transfer() instead of using the pm_nl_ctl commands
directly.

The original 'pos+=5' in the remoing tests only works for the output of
'pm_nl_ctl show':

  id 1 flags subflow 10.0.1.1

It doesn't work for the output of 'ip mptcp endpoint show':

  10.0.1.1 id 1 subflow

So implemented a more flexible approach to get the address ID from the PM
dump output to fit for both commands.

Signed-off-by: Geliang Tang <geliang.tang@suse.com>
Signed-off-by: Mat Martineau <mathew.j.martineau@linux.intel.com>
---
 .../testing/selftests/net/mptcp/mptcp_join.sh | 78 ++++++++++++-------
 1 file changed, 50 insertions(+), 28 deletions(-)

diff --git a/tools/testing/selftests/net/mptcp/mptcp_join.sh b/tools/testing/selftests/net/mptcp/mptcp_join.sh
index 6ca6ed7336d0..093eb27f5c6d 100755
--- a/tools/testing/selftests/net/mptcp/mptcp_join.sh
+++ b/tools/testing/selftests/net/mptcp/mptcp_join.sh
@@ -365,6 +365,17 @@ pm_nl_flush_endpoint()
 	fi
 }
 
+pm_nl_show_endpoints()
+{
+	local ns=$1
+
+	if [ $ip_mptcp -eq 1 ]; then
+		ip -n $ns mptcp endpoint show
+	else
+		ip netns exec $ns ./pm_nl_ctl dump
+	fi
+}
+
 do_transfer()
 {
 	listener_ns="$1"
@@ -472,20 +483,25 @@ do_transfer()
 	elif [ $addr_nr_ns1 -lt 0 ]; then
 		let rm_nr_ns1=-addr_nr_ns1
 		if [ $rm_nr_ns1 -lt 8 ]; then
-			counter=1
-			pos=1
-			dump=(`ip netns exec ${listener_ns} ./pm_nl_ctl dump`)
-			if [ ${#dump[@]} -gt 0 ]; then
-				while [ $counter -le $rm_nr_ns1 ]
-				do
-					id=${dump[$pos]}
-					rm_addr=$(rm_addr_count ${connector_ns})
-					pm_nl_del_endpoint ${listener_ns} $id
-					wait_rm_addr ${connector_ns} ${rm_addr}
-					let counter+=1
-					let pos+=5
+			counter=0
+			pm_nl_show_endpoints ${listener_ns} | while read line; do
+				local arr=($line)
+				local nr=0
+
+				for i in ${arr[@]}; do
+					if [ $i = "id" ]; then
+						if [ $counter -eq $rm_nr_ns1 ]; then
+							break
+						fi
+						id=${arr[$nr+1]}
+						rm_addr=$(rm_addr_count ${connector_ns})
+						pm_nl_del_endpoint ${listener_ns} $id
+						wait_rm_addr ${connector_ns} ${rm_addr}
+						let counter+=1
+					fi
+					let nr+=1
 				done
-			fi
+			done
 		elif [ $rm_nr_ns1 -eq 8 ]; then
 			pm_nl_flush_endpoint ${listener_ns}
 		elif [ $rm_nr_ns1 -eq 9 ]; then
@@ -520,21 +536,27 @@ do_transfer()
 	elif [ $addr_nr_ns2 -lt 0 ]; then
 		let rm_nr_ns2=-addr_nr_ns2
 		if [ $rm_nr_ns2 -lt 8 ]; then
-			counter=1
-			pos=1
-			dump=(`ip netns exec ${connector_ns} ./pm_nl_ctl dump`)
-			if [ ${#dump[@]} -gt 0 ]; then
-				while [ $counter -le $rm_nr_ns2 ]
-				do
-					# rm_addr are serialized, allow the previous one to complete
-					id=${dump[$pos]}
-					rm_addr=$(rm_addr_count ${listener_ns})
-					pm_nl_del_endpoint ${connector_ns} $id
-					wait_rm_addr ${listener_ns} ${rm_addr}
-					let counter+=1
-					let pos+=5
+			counter=0
+			pm_nl_show_endpoints ${connector_ns} | while read line; do
+				local arr=($line)
+				local nr=0
+
+				for i in ${arr[@]}; do
+					if [ $i = "id" ]; then
+						if [ $counter -eq $rm_nr_ns2 ]; then
+							break
+						fi
+						# rm_addr are serialized, allow the previous one to
+						# complete
+						id=${arr[$nr+1]}
+						rm_addr=$(rm_addr_count ${listener_ns})
+						pm_nl_del_endpoint ${connector_ns} $id
+						wait_rm_addr ${listener_ns} ${rm_addr}
+						let counter+=1
+					fi
+					let nr+=1
 				done
-			fi
+			done
 		elif [ $rm_nr_ns2 -eq 8 ]; then
 			pm_nl_flush_endpoint ${connector_ns}
 		elif [ $rm_nr_ns2 -eq 9 ]; then
@@ -551,7 +573,7 @@ do_transfer()
 	if [ ! -z $sflags ]; then
 		sleep 1
 		for netns in "$ns1" "$ns2"; do
-			ip netns exec $netns ./pm_nl_ctl dump | while read line; do
+			pm_nl_show_endpoints $netns | while read line; do
 				local arr=($line)
 				local addr
 				local port=0
-- 
2.35.1


^ permalink raw reply related	[flat|nested] 11+ messages in thread

* [PATCH net-next 6/9] selftests: mptcp: add wrapper for setting flags
  2022-02-05  0:03 [PATCH net-next 0/9] mptcp: Improve set-flags command and update self tests Mat Martineau
                   ` (4 preceding siblings ...)
  2022-02-05  0:03 ` [PATCH net-next 5/9] selftests: mptcp: add wrapper for showing addrs Mat Martineau
@ 2022-02-05  0:03 ` Mat Martineau
  2022-02-05  0:03 ` [PATCH net-next 7/9] selftests: mptcp: add the id argument for set_flags Mat Martineau
                   ` (3 subsequent siblings)
  9 siblings, 0 replies; 11+ messages in thread
From: Mat Martineau @ 2022-02-05  0:03 UTC (permalink / raw)
  To: netdev; +Cc: Geliang Tang, davem, kuba, matthieu.baerts, mptcp, Mat Martineau

From: Geliang Tang <geliang.tang@suse.com>

This patch implemented a new function named pm_nl_set_endpoint(), wrapped
the PM netlink commands 'ip mptcp endpoint change flags' and 'pm_nl_ctl
set flags' in it, and used a new argument 'ip_mptcp' to choose which one
to use to set the flags of the PM endpoint.

'ip mptcp' used the ID number argument to find out the address to change
flags, while 'pm_nl_ctl' used the address and port number arguments. So
we need to parse the address ID from the PM dump output as well as the
address and port number.

Used this wrapper in do_transfer() instead of using the pm_nl_ctl command
directly.

Signed-off-by: Geliang Tang <geliang.tang@suse.com>
Signed-off-by: Mat Martineau <mathew.j.martineau@linux.intel.com>
---
 .../testing/selftests/net/mptcp/mptcp_join.sh | 24 ++++++++++++++++---
 1 file changed, 21 insertions(+), 3 deletions(-)

diff --git a/tools/testing/selftests/net/mptcp/mptcp_join.sh b/tools/testing/selftests/net/mptcp/mptcp_join.sh
index 093eb27f5c6d..757f26674c62 100755
--- a/tools/testing/selftests/net/mptcp/mptcp_join.sh
+++ b/tools/testing/selftests/net/mptcp/mptcp_join.sh
@@ -376,6 +376,22 @@ pm_nl_show_endpoints()
 	fi
 }
 
+pm_nl_change_endpoint()
+{
+	local ns=$1
+	local flags=$2
+	local id=$3
+	local addr=$4
+	local port=""
+
+	if [ $ip_mptcp -eq 1 ]; then
+		ip -n $ns mptcp endpoint change id $id ${flags//","/" "}
+	else
+		if [ $5 -ne 0 ]; then port="port $5"; fi
+		ip netns exec $ns ./pm_nl_ctl set $addr flags $flags $port
+	fi
+}
+
 do_transfer()
 {
 	listener_ns="$1"
@@ -577,7 +593,7 @@ do_transfer()
 				local arr=($line)
 				local addr
 				local port=0
-				local _port=""
+				local id
 
 				for i in ${arr[@]}; do
 					if is_addr $i; then
@@ -586,11 +602,13 @@ do_transfer()
 						# The minimum expected port number is 10000
 						if [ $i -gt 10000 ]; then
 							port=$i
+						# The maximum id number is 255
+						elif [ $i -lt 255 ]; then
+							id=$i
 						fi
 					fi
 				done
-				if [ $port -ne 0 ]; then _port="port $port"; fi
-				ip netns exec $netns ./pm_nl_ctl set $addr flags $sflags $_port
+				pm_nl_change_endpoint $netns $sflags $id $addr $port
 			done
 		done
 	fi
-- 
2.35.1


^ permalink raw reply related	[flat|nested] 11+ messages in thread

* [PATCH net-next 7/9] selftests: mptcp: add the id argument for set_flags
  2022-02-05  0:03 [PATCH net-next 0/9] mptcp: Improve set-flags command and update self tests Mat Martineau
                   ` (5 preceding siblings ...)
  2022-02-05  0:03 ` [PATCH net-next 6/9] selftests: mptcp: add wrapper for setting flags Mat Martineau
@ 2022-02-05  0:03 ` Mat Martineau
  2022-02-05  0:03 ` [PATCH net-next 8/9] selftests: mptcp: add set_flags tests in pm_netlink.sh Mat Martineau
                   ` (2 subsequent siblings)
  9 siblings, 0 replies; 11+ messages in thread
From: Mat Martineau @ 2022-02-05  0:03 UTC (permalink / raw)
  To: netdev; +Cc: Geliang Tang, davem, kuba, matthieu.baerts, mptcp, Mat Martineau

From: Geliang Tang <geliang.tang@suse.com>

This patch added the id argument for setting the address flags in
pm_nl_ctl.

Usage:

    pm_nl_ctl set id 1 flags backup

Signed-off-by: Geliang Tang <geliang.tang@suse.com>
Signed-off-by: Mat Martineau <mathew.j.martineau@linux.intel.com>
---
 tools/testing/selftests/net/mptcp/pm_nl_ctl.c | 63 ++++++++++++-------
 1 file changed, 42 insertions(+), 21 deletions(-)

diff --git a/tools/testing/selftests/net/mptcp/pm_nl_ctl.c b/tools/testing/selftests/net/mptcp/pm_nl_ctl.c
index 2a57462764d0..22a5ec1e128e 100644
--- a/tools/testing/selftests/net/mptcp/pm_nl_ctl.c
+++ b/tools/testing/selftests/net/mptcp/pm_nl_ctl.c
@@ -28,7 +28,7 @@ static void syntax(char *argv[])
 	fprintf(stderr, "\tadd [flags signal|subflow|backup|fullmesh] [id <nr>] [dev <name>] <ip>\n");
 	fprintf(stderr, "\tdel <id> [<ip>]\n");
 	fprintf(stderr, "\tget <id>\n");
-	fprintf(stderr, "\tset <ip> [flags backup|nobackup|fullmesh|nofullmesh] [port <nr>]\n");
+	fprintf(stderr, "\tset [<ip>] [id <nr>] flags [no]backup|[no]fullmesh [port <nr>]\n");
 	fprintf(stderr, "\tflush\n");
 	fprintf(stderr, "\tdump\n");
 	fprintf(stderr, "\tlimits [<rcv addr max> <subflow max>]\n");
@@ -657,8 +657,10 @@ int set_flags(int fd, int pm_family, int argc, char *argv[])
 	u_int32_t flags = 0;
 	u_int16_t family;
 	int nest_start;
+	int use_id = 0;
+	u_int8_t id;
 	int off = 0;
-	int arg;
+	int arg = 2;
 
 	memset(data, 0, sizeof(data));
 	nh = (void *)data;
@@ -674,29 +676,45 @@ int set_flags(int fd, int pm_family, int argc, char *argv[])
 	nest->rta_len = RTA_LENGTH(0);
 	off += NLMSG_ALIGN(nest->rta_len);
 
-	/* addr data */
-	rta = (void *)(data + off);
-	if (inet_pton(AF_INET, argv[2], RTA_DATA(rta))) {
-		family = AF_INET;
-		rta->rta_type = MPTCP_PM_ADDR_ATTR_ADDR4;
-		rta->rta_len = RTA_LENGTH(4);
-	} else if (inet_pton(AF_INET6, argv[2], RTA_DATA(rta))) {
-		family = AF_INET6;
-		rta->rta_type = MPTCP_PM_ADDR_ATTR_ADDR6;
-		rta->rta_len = RTA_LENGTH(16);
+	if (!strcmp(argv[arg], "id")) {
+		if (++arg >= argc)
+			error(1, 0, " missing id value");
+
+		use_id = 1;
+		id = atoi(argv[arg]);
+		rta = (void *)(data + off);
+		rta->rta_type = MPTCP_PM_ADDR_ATTR_ID;
+		rta->rta_len = RTA_LENGTH(1);
+		memcpy(RTA_DATA(rta), &id, 1);
+		off += NLMSG_ALIGN(rta->rta_len);
 	} else {
-		error(1, errno, "can't parse ip %s", argv[2]);
+		/* addr data */
+		rta = (void *)(data + off);
+		if (inet_pton(AF_INET, argv[arg], RTA_DATA(rta))) {
+			family = AF_INET;
+			rta->rta_type = MPTCP_PM_ADDR_ATTR_ADDR4;
+			rta->rta_len = RTA_LENGTH(4);
+		} else if (inet_pton(AF_INET6, argv[arg], RTA_DATA(rta))) {
+			family = AF_INET6;
+			rta->rta_type = MPTCP_PM_ADDR_ATTR_ADDR6;
+			rta->rta_len = RTA_LENGTH(16);
+		} else {
+			error(1, errno, "can't parse ip %s", argv[arg]);
+		}
+		off += NLMSG_ALIGN(rta->rta_len);
+
+		/* family */
+		rta = (void *)(data + off);
+		rta->rta_type = MPTCP_PM_ADDR_ATTR_FAMILY;
+		rta->rta_len = RTA_LENGTH(2);
+		memcpy(RTA_DATA(rta), &family, 2);
+		off += NLMSG_ALIGN(rta->rta_len);
 	}
-	off += NLMSG_ALIGN(rta->rta_len);
 
-	/* family */
-	rta = (void *)(data + off);
-	rta->rta_type = MPTCP_PM_ADDR_ATTR_FAMILY;
-	rta->rta_len = RTA_LENGTH(2);
-	memcpy(RTA_DATA(rta), &family, 2);
-	off += NLMSG_ALIGN(rta->rta_len);
+	if (++arg >= argc)
+		error(1, 0, " missing flags keyword");
 
-	for (arg = 3; arg < argc; arg++) {
+	for (; arg < argc; arg++) {
 		if (!strcmp(argv[arg], "flags")) {
 			char *tok, *str;
 
@@ -724,6 +742,9 @@ int set_flags(int fd, int pm_family, int argc, char *argv[])
 		} else if (!strcmp(argv[arg], "port")) {
 			u_int16_t port;
 
+			if (use_id)
+				error(1, 0, " port can't be used with id");
+
 			if (++arg >= argc)
 				error(1, 0, " missing port value");
 
-- 
2.35.1


^ permalink raw reply related	[flat|nested] 11+ messages in thread

* [PATCH net-next 8/9] selftests: mptcp: add set_flags tests in pm_netlink.sh
  2022-02-05  0:03 [PATCH net-next 0/9] mptcp: Improve set-flags command and update self tests Mat Martineau
                   ` (6 preceding siblings ...)
  2022-02-05  0:03 ` [PATCH net-next 7/9] selftests: mptcp: add the id argument for set_flags Mat Martineau
@ 2022-02-05  0:03 ` Mat Martineau
  2022-02-05  0:03 ` [PATCH net-next 9/9] selftests: mptcp: set ip_mptcp in command line Mat Martineau
  2022-02-05  6:10 ` [PATCH net-next 0/9] mptcp: Improve set-flags command and update self tests patchwork-bot+netdevbpf
  9 siblings, 0 replies; 11+ messages in thread
From: Mat Martineau @ 2022-02-05  0:03 UTC (permalink / raw)
  To: netdev; +Cc: Geliang Tang, davem, kuba, matthieu.baerts, mptcp, Mat Martineau

From: Geliang Tang <geliang.tang@suse.com>

This patch added the setting flags test cases, using both addr-based and
id-based lookups for the setting address.

The output looks like this:

 set flags (backup)                                 [ OK ]
           (nobackup)                               [ OK ]
           (fullmesh)                               [ OK ]
           (nofullmesh)                             [ OK ]
           (backup,fullmesh)                        [ OK ]

Signed-off-by: Geliang Tang <geliang.tang@suse.com>
Signed-off-by: Mat Martineau <mathew.j.martineau@linux.intel.com>
---
 .../testing/selftests/net/mptcp/pm_netlink.sh  | 18 ++++++++++++++++++
 1 file changed, 18 insertions(+)

diff --git a/tools/testing/selftests/net/mptcp/pm_netlink.sh b/tools/testing/selftests/net/mptcp/pm_netlink.sh
index cbacf9f6538b..89839d1ff9d8 100755
--- a/tools/testing/selftests/net/mptcp/pm_netlink.sh
+++ b/tools/testing/selftests/net/mptcp/pm_netlink.sh
@@ -164,4 +164,22 @@ id 253 flags  10.0.0.5
 id 254 flags  10.0.0.2
 id 255 flags  10.0.0.3" "wrap-around ids"
 
+ip netns exec $ns1 ./pm_nl_ctl flush
+ip netns exec $ns1 ./pm_nl_ctl add 10.0.1.1 flags subflow
+ip netns exec $ns1 ./pm_nl_ctl set 10.0.1.1 flags backup
+check "ip netns exec $ns1 ./pm_nl_ctl dump" "id 1 flags \
+subflow,backup 10.0.1.1" "set flags (backup)"
+ip netns exec $ns1 ./pm_nl_ctl set 10.0.1.1 flags nobackup
+check "ip netns exec $ns1 ./pm_nl_ctl dump" "id 1 flags \
+subflow 10.0.1.1" "          (nobackup)"
+ip netns exec $ns1 ./pm_nl_ctl set id 1 flags fullmesh
+check "ip netns exec $ns1 ./pm_nl_ctl dump" "id 1 flags \
+subflow,fullmesh 10.0.1.1" "          (fullmesh)"
+ip netns exec $ns1 ./pm_nl_ctl set id 1 flags nofullmesh
+check "ip netns exec $ns1 ./pm_nl_ctl dump" "id 1 flags \
+subflow 10.0.1.1" "          (nofullmesh)"
+ip netns exec $ns1 ./pm_nl_ctl set id 1 flags backup,fullmesh
+check "ip netns exec $ns1 ./pm_nl_ctl dump" "id 1 flags \
+subflow,backup,fullmesh 10.0.1.1" "          (backup,fullmesh)"
+
 exit $ret
-- 
2.35.1


^ permalink raw reply related	[flat|nested] 11+ messages in thread

* [PATCH net-next 9/9] selftests: mptcp: set ip_mptcp in command line
  2022-02-05  0:03 [PATCH net-next 0/9] mptcp: Improve set-flags command and update self tests Mat Martineau
                   ` (7 preceding siblings ...)
  2022-02-05  0:03 ` [PATCH net-next 8/9] selftests: mptcp: add set_flags tests in pm_netlink.sh Mat Martineau
@ 2022-02-05  0:03 ` Mat Martineau
  2022-02-05  6:10 ` [PATCH net-next 0/9] mptcp: Improve set-flags command and update self tests patchwork-bot+netdevbpf
  9 siblings, 0 replies; 11+ messages in thread
From: Mat Martineau @ 2022-02-05  0:03 UTC (permalink / raw)
  To: netdev; +Cc: Geliang Tang, davem, kuba, matthieu.baerts, mptcp, Mat Martineau

From: Geliang Tang <geliang.tang@suse.com>

This patch added a command line option '-i' for mptcp_join.sh to use
'ip mptcp' commands instead of using 'pm_nl_ctl' commands to deal with
PM netlink.

Signed-off-by: Geliang Tang <geliang.tang@suse.com>
Signed-off-by: Mat Martineau <mathew.j.martineau@linux.intel.com>
---
 tools/testing/selftests/net/mptcp/mptcp_join.sh | 12 +++++++++---
 1 file changed, 9 insertions(+), 3 deletions(-)

diff --git a/tools/testing/selftests/net/mptcp/mptcp_join.sh b/tools/testing/selftests/net/mptcp/mptcp_join.sh
index 757f26674c62..4a565fb84137 100755
--- a/tools/testing/selftests/net/mptcp/mptcp_join.sh
+++ b/tools/testing/selftests/net/mptcp/mptcp_join.sh
@@ -2117,6 +2117,7 @@ usage()
 	echo "  -m fullmesh_tests"
 	echo "  -c capture pcap files"
 	echo "  -C enable data checksum"
+	echo "  -i use ip mptcp"
 	echo "  -h help"
 }
 
@@ -2138,9 +2139,12 @@ for arg in "$@"; do
 	if [[ "${arg}" =~ ^"-"[0-9a-zA-Z]*"C"[0-9a-zA-Z]*$ ]]; then
 		checksum=1
 	fi
+	if [[ "${arg}" =~ ^"-"[0-9a-zA-Z]*"i"[0-9a-zA-Z]*$ ]]; then
+		ip_mptcp=1
+	fi
 
-	# exception for the capture/checksum options, the rest means: a part of the tests
-	if [ "${arg}" != "-c" ] && [ "${arg}" != "-C" ]; then
+	# exception for the capture/checksum/ip_mptcp options, the rest means: a part of the tests
+	if [ "${arg}" != "-c" ] && [ "${arg}" != "-C" ] && [ "${arg}" != "-i" ]; then
 		do_all_tests=0
 	fi
 done
@@ -2150,7 +2154,7 @@ if [ $do_all_tests -eq 1 ]; then
 	exit $ret
 fi
 
-while getopts 'fesltra64bpkdmchCS' opt; do
+while getopts 'fesltra64bpkdmchCSi' opt; do
 	case $opt in
 		f)
 			subflows_tests
@@ -2201,6 +2205,8 @@ while getopts 'fesltra64bpkdmchCS' opt; do
 			;;
 		C)
 			;;
+		i)
+			;;
 		h | *)
 			usage
 			;;
-- 
2.35.1


^ permalink raw reply related	[flat|nested] 11+ messages in thread

* Re: [PATCH net-next 0/9] mptcp: Improve set-flags command and update self tests
  2022-02-05  0:03 [PATCH net-next 0/9] mptcp: Improve set-flags command and update self tests Mat Martineau
                   ` (8 preceding siblings ...)
  2022-02-05  0:03 ` [PATCH net-next 9/9] selftests: mptcp: set ip_mptcp in command line Mat Martineau
@ 2022-02-05  6:10 ` patchwork-bot+netdevbpf
  9 siblings, 0 replies; 11+ messages in thread
From: patchwork-bot+netdevbpf @ 2022-02-05  6:10 UTC (permalink / raw)
  To: Mat Martineau; +Cc: netdev, davem, kuba, matthieu.baerts, mptcp

Hello:

This series was applied to netdev/net-next.git (master)
by Jakub Kicinski <kuba@kernel.org>:

On Fri,  4 Feb 2022 16:03:28 -0800 you wrote:
> Patches 1-3 allow more flexibility in the combinations of features and
> flags allowed with the MPTCP_PM_CMD_SET_FLAGS netlink command, and add
> self test case coverage for the new functionality.
> 
> Patches 4-6 and 9 refactor the mptcp_join.sh self tests to allow them to
> configure all of the test cases using either the pm_nl_ctl utility (part
> of the mptcp self tests) or the 'ip mptcp' command (from iproute2). The
> default remains to use pm_nl_ctl.
> 
> [...]

Here is the summary with links:
  - [net-next,1/9] mptcp: allow to use port and non-signal in set_flags
    https://git.kernel.org/netdev/net-next/c/09f12c3ab7a5
  - [net-next,2/9] selftests: mptcp: add the port argument for set_flags
    https://git.kernel.org/netdev/net-next/c/d6a676e0e1a8
  - [net-next,3/9] selftests: mptcp: add backup with port testcase
    https://git.kernel.org/netdev/net-next/c/33397b83eee6
  - [net-next,4/9] selftests: mptcp: add ip mptcp wrappers
    https://git.kernel.org/netdev/net-next/c/34aa6e3bccd8
  - [net-next,5/9] selftests: mptcp: add wrapper for showing addrs
    https://git.kernel.org/netdev/net-next/c/dda61b3dbea0
  - [net-next,6/9] selftests: mptcp: add wrapper for setting flags
    https://git.kernel.org/netdev/net-next/c/f01403862592
  - [net-next,7/9] selftests: mptcp: add the id argument for set_flags
    https://git.kernel.org/netdev/net-next/c/a224a847ae7a
  - [net-next,8/9] selftests: mptcp: add set_flags tests in pm_netlink.sh
    https://git.kernel.org/netdev/net-next/c/6da1dfdd037e
  - [net-next,9/9] selftests: mptcp: set ip_mptcp in command line
    https://git.kernel.org/netdev/net-next/c/621bd393039e

You are awesome, thank you!
-- 
Deet-doot-dot, I am a bot.
https://korg.docs.kernel.org/patchwork/pwbot.html



^ permalink raw reply	[flat|nested] 11+ messages in thread

end of thread, other threads:[~2022-02-05  6:10 UTC | newest]

Thread overview: 11+ messages (download: mbox.gz / follow: Atom feed)
-- links below jump to the message on this page --
2022-02-05  0:03 [PATCH net-next 0/9] mptcp: Improve set-flags command and update self tests Mat Martineau
2022-02-05  0:03 ` [PATCH net-next 1/9] mptcp: allow to use port and non-signal in set_flags Mat Martineau
2022-02-05  0:03 ` [PATCH net-next 2/9] selftests: mptcp: add the port argument for set_flags Mat Martineau
2022-02-05  0:03 ` [PATCH net-next 3/9] selftests: mptcp: add backup with port testcase Mat Martineau
2022-02-05  0:03 ` [PATCH net-next 4/9] selftests: mptcp: add ip mptcp wrappers Mat Martineau
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2022-02-05  0:03 ` [PATCH net-next 6/9] selftests: mptcp: add wrapper for setting flags Mat Martineau
2022-02-05  0:03 ` [PATCH net-next 7/9] selftests: mptcp: add the id argument for set_flags Mat Martineau
2022-02-05  0:03 ` [PATCH net-next 8/9] selftests: mptcp: add set_flags tests in pm_netlink.sh Mat Martineau
2022-02-05  0:03 ` [PATCH net-next 9/9] selftests: mptcp: set ip_mptcp in command line Mat Martineau
2022-02-05  6:10 ` [PATCH net-next 0/9] mptcp: Improve set-flags command and update self tests patchwork-bot+netdevbpf

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