add REDIRECT

hc

2024-10-09 05e59e5fb0064c97a1c10921ecd549f2d4a58565

 kernel/tools/testing/selftests/net/mptcp/mptcp_join.sh
..
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@@ -1,6 +1,8 @@
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 #!/bin/bash
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 # SPDX-License-Identifier: GPL-2.0
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+. "$(dirname "${0}")/mptcp_lib.sh"
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+
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 ret=0
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 sin=""
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 sout=""
..
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@@ -88,6 +90,8 @@
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 	fi
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 done
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+mptcp_lib_check_mptcp
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+
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 ip -Version > /dev/null 2>&1
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 if [ $? -ne 0 ];then
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 	echo "SKIP: Could not run test without ip tool"
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@@ -124,6 +128,22 @@
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 		echo "$listener_ns -> $connect_addr connectivity [ FAIL ]" 1>&2
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 		ret=1
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 	fi
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+}
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+
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+# $1: ns ; $2: counter
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+get_counter()
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+{
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+	local ns="${1}"
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+	local counter="${2}"
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+	local count
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+
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+	count=$(ip netns exec ${ns} nstat -asz "${counter}" | awk 'NR==1 {next} {print $2}')
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+	if [ -z "${count}" ]; then
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+		mptcp_lib_fail_if_expected_feature "${counter} counter"
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+		return 1
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+	fi
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+
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+	echo "${count}"
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 }
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 do_transfer()
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@@ -287,9 +307,10 @@
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 	local dump_stats
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 	printf "%02u %-36s %s" "$TEST_COUNT" "$msg" "syn"
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-	count=`ip netns exec $ns1 nstat -as | grep MPTcpExtMPJoinSynRx | awk '{print $2}'`
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-	[ -z "$count" ] && count=0
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-	if [ "$count" != "$syn_nr" ]; then
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+	count=$(get_counter ${ns1} "MPTcpExtMPJoinSynRx")
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+	if [ -z "$count" ]; then
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+		echo -n "[skip]"
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+	elif [ "$count" != "$syn_nr" ]; then
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 		echo "[fail] got $count JOIN[s] syn expected $syn_nr"
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 		ret=1
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 		dump_stats=1
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@@ -298,9 +319,10 @@
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 	fi
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 	echo -n " - synack"
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-	count=`ip netns exec $ns2 nstat -as | grep MPTcpExtMPJoinSynAckRx | awk '{print $2}'`
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-	[ -z "$count" ] && count=0
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-	if [ "$count" != "$syn_ack_nr" ]; then
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+	count=$(get_counter ${ns2} "MPTcpExtMPJoinSynAckRx")
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+	if [ -z "$count" ]; then
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+		echo -n "[skip]"
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+	elif [ "$count" != "$syn_ack_nr" ]; then
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 		echo "[fail] got $count JOIN[s] synack expected $syn_ack_nr"
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 		ret=1
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 		dump_stats=1
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@@ -309,9 +331,10 @@
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 	fi
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 	echo -n " - ack"
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-	count=`ip netns exec $ns1 nstat -as | grep MPTcpExtMPJoinAckRx | awk '{print $2}'`
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-	[ -z "$count" ] && count=0
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-	if [ "$count" != "$ack_nr" ]; then
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+	count=$(get_counter ${ns1} "MPTcpExtMPJoinAckRx")
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+	if [ -z "$count" ]; then
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+		echo "[skip]"
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+	elif [ "$count" != "$ack_nr" ]; then
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 		echo "[fail] got $count JOIN[s] ack expected $ack_nr"
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 		ret=1
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 		dump_stats=1
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@@ -334,9 +357,10 @@
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 	local dump_stats
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 	printf "%-39s %s" " " "add"
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-	count=`ip netns exec $ns2 nstat -as | grep MPTcpExtAddAddr | awk '{print $2}'`
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-	[ -z "$count" ] && count=0
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-	if [ "$count" != "$add_nr" ]; then
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+	count=$(get_counter ${ns2} "MPTcpExtAddAddr")
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+	if [ -z "$count" ]; then
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+		echo -n "[skip]"
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+	elif [ "$count" != "$add_nr" ]; then
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 		echo "[fail] got $count ADD_ADDR[s] expected $add_nr"
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 		ret=1
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 		dump_stats=1
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@@ -345,9 +369,10 @@
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 	fi
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 	echo -n " - echo  "
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-	count=`ip netns exec $ns1 nstat -as | grep MPTcpExtEchoAdd | awk '{print $2}'`
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-	[ -z "$count" ] && count=0
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-	if [ "$count" != "$echo_nr" ]; then
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+	count=$(get_counter ${ns1} "MPTcpExtEchoAdd")
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+	if [ -z "$count" ]; then
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+		echo "[skip]"
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+	elif [ "$count" != "$echo_nr" ]; then
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 		echo "[fail] got $count ADD_ADDR echo[s] expected $echo_nr"
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 		ret=1
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 		dump_stats=1
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@@ -371,9 +396,10 @@
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 	local dump_stats
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 	printf "%-39s %s" " " "rm "
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-	count=`ip netns exec $ns1 nstat -as | grep MPTcpExtRmAddr | awk '{print $2}'`
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-	[ -z "$count" ] && count=0
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-	if [ "$count" != "$rm_addr_nr" ]; then
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+	count=$(get_counter ${ns1} "MPTcpExtRmAddr")
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+	if [ -z "$count" ]; then
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+		echo -n "[skip]"
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+	elif [ "$count" != "$rm_addr_nr" ]; then
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 		echo "[fail] got $count RM_ADDR[s] expected $rm_addr_nr"
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 		ret=1
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 		dump_stats=1
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@@ -382,9 +408,10 @@
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 	fi
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 	echo -n " - sf    "
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-	count=`ip netns exec $ns2 nstat -as | grep MPTcpExtRmSubflow | awk '{print $2}'`
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-	[ -z "$count" ] && count=0
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-	if [ "$count" != "$rm_subflow_nr" ]; then
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+	count=$(get_counter ${ns2} "MPTcpExtRmSubflow")
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+	if [ -z "$count" ]; then
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+		echo "[skip]"
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+	elif [ "$count" != "$rm_subflow_nr" ]; then
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 		echo "[fail] got $count RM_SUBFLOW[s] expected $rm_subflow_nr"
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 		ret=1
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 		dump_stats=1