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selftests: mptcp: add mptcp_lib_get_counter 

commit 61c131f5d4d2b79904af2fdcb2839a9db8e7c55c upstream.

To avoid duplicated code in different MPTCP selftests, we can add
and use helpers defined in mptcp_lib.sh.

The helper get_counter() in mptcp_join.sh and get_mib_counter() in
mptcp_connect.sh have the same functionality, export get_counter() into
mptcp_lib.sh and rename it as mptcp_lib_get_counter(). Use this new
helper instead of get_counter() and get_mib_counter().

Use this helper in test_prio() in userspace_pm.sh too instead of
open-coding.

Reviewed-by: Matthieu Baerts <matttbe@kernel.org>
Signed-off-by: Geliang Tang <geliang.tang@suse.com>
Signed-off-by: Mat Martineau <martineau@kernel.org>
Link: https://lore.kernel.org/r/20231128-send-net-next-2023107-v4-11-8d6b94150f6b@kernel.org
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
Signed-off-by: Matthieu Baerts (NGI0) <matttbe@kernel.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This commit is contained in:
Geliang Tang 2023-11-28 15:18:55 -08:00 committed by Greg Kroah-Hartman
parent 358f02b84f
commit 697128a3e2
4 changed files with 73 additions and 86 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

41
tools/testing/selftests/net/mptcp/mptcp_connect.sh
View File

@ -341,21 +341,6 @@ do_ping()
return 0
}
# $1: ns, $2: MIB counter
get_mib_counter()
{
local listener_ns="${1}"
local mib="${2}"
# strip the header
ip netns exec "${listener_ns}" \
nstat -z -a "${mib}" | \
tail -n+2 | \
while read a count c rest; do
echo $count
done
}
# $1: ns, $2: port
wait_local_port_listen()
{
@ -441,12 +426,12 @@ do_transfer()
nstat -n
fi
local stat_synrx_last_l=$(get_mib_counter "${listener_ns}" "MPTcpExtMPCapableSYNRX")
local stat_ackrx_last_l=$(get_mib_counter "${listener_ns}" "MPTcpExtMPCapableACKRX")
local stat_cookietx_last=$(get_mib_counter "${listener_ns}" "TcpExtSyncookiesSent")
local stat_cookierx_last=$(get_mib_counter "${listener_ns}" "TcpExtSyncookiesRecv")
local stat_csum_err_s=$(get_mib_counter "${listener_ns}" "MPTcpExtDataCsumErr")
local stat_csum_err_c=$(get_mib_counter "${connector_ns}" "MPTcpExtDataCsumErr")
local stat_synrx_last_l=$(mptcp_lib_get_counter "${listener_ns}" "MPTcpExtMPCapableSYNRX")
local stat_ackrx_last_l=$(mptcp_lib_get_counter "${listener_ns}" "MPTcpExtMPCapableACKRX")
local stat_cookietx_last=$(mptcp_lib_get_counter "${listener_ns}" "TcpExtSyncookiesSent")
local stat_cookierx_last=$(mptcp_lib_get_counter "${listener_ns}" "TcpExtSyncookiesRecv")
local stat_csum_err_s=$(mptcp_lib_get_counter "${listener_ns}" "MPTcpExtDataCsumErr")
local stat_csum_err_c=$(mptcp_lib_get_counter "${connector_ns}" "MPTcpExtDataCsumErr")
timeout ${timeout_test} \
ip netns exec ${listener_ns} \
@ -509,11 +494,11 @@ do_transfer()
check_transfer $cin $sout "file received by server"
rets=$?
local stat_synrx_now_l=$(get_mib_counter "${listener_ns}" "MPTcpExtMPCapableSYNRX")
local stat_ackrx_now_l=$(get_mib_counter "${listener_ns}" "MPTcpExtMPCapableACKRX")
local stat_cookietx_now=$(get_mib_counter "${listener_ns}" "TcpExtSyncookiesSent")
local stat_cookierx_now=$(get_mib_counter "${listener_ns}" "TcpExtSyncookiesRecv")
local stat_ooo_now=$(get_mib_counter "${listener_ns}" "TcpExtTCPOFOQueue")
local stat_synrx_now_l=$(mptcp_lib_get_counter "${listener_ns}" "MPTcpExtMPCapableSYNRX")
local stat_ackrx_now_l=$(mptcp_lib_get_counter "${listener_ns}" "MPTcpExtMPCapableACKRX")
local stat_cookietx_now=$(mptcp_lib_get_counter "${listener_ns}" "TcpExtSyncookiesSent")
local stat_cookierx_now=$(mptcp_lib_get_counter "${listener_ns}" "TcpExtSyncookiesRecv")
local stat_ooo_now=$(mptcp_lib_get_counter "${listener_ns}" "TcpExtTCPOFOQueue")
expect_synrx=$((stat_synrx_last_l))
expect_ackrx=$((stat_ackrx_last_l))
@ -542,8 +527,8 @@ do_transfer()
fi
if $checksum; then
local csum_err_s=$(get_mib_counter "${listener_ns}" "MPTcpExtDataCsumErr")
local csum_err_c=$(get_mib_counter "${connector_ns}" "MPTcpExtDataCsumErr")
local csum_err_s=$(mptcp_lib_get_counter "${listener_ns}" "MPTcpExtDataCsumErr")
local csum_err_c=$(mptcp_lib_get_counter "${connector_ns}" "MPTcpExtDataCsumErr")
local csum_err_s_nr=$((csum_err_s - stat_csum_err_s))
if [ $csum_err_s_nr -gt 0 ]; then

88
tools/testing/selftests/net/mptcp/mptcp_join.sh
View File

@ -611,25 +611,9 @@ wait_local_port_listen()
done
}
# $1: ns ; $2: counter
get_counter()
{
local ns="${1}"
local counter="${2}"
local count
count=$(ip netns exec ${ns} nstat -asz "${counter}" | awk 'NR==1 {next} {print $2}')
if [ -z "${count}" ]; then
mptcp_lib_fail_if_expected_feature "${counter} counter"
return 1
fi
echo "${count}"
}
rm_addr_count()
{
get_counter "${1}" "MPTcpExtRmAddr"
mptcp_lib_get_counter "${1}" "MPTcpExtRmAddr"
}
# $1: ns, $2: old rm_addr counter in $ns
@ -649,7 +633,7 @@ wait_rm_addr()
rm_sf_count()
{
get_counter "${1}" "MPTcpExtRmSubflow"
mptcp_lib_get_counter "${1}" "MPTcpExtRmSubflow"
}
# $1: ns, $2: old rm_sf counter in $ns
@ -672,11 +656,11 @@ wait_mpj()
local ns="${1}"
local cnt old_cnt
old_cnt=$(get_counter ${ns} "MPTcpExtMPJoinAckRx")
old_cnt=$(mptcp_lib_get_counter ${ns} "MPTcpExtMPJoinAckRx")
local i
for i in $(seq 10); do
cnt=$(get_counter ${ns} "MPTcpExtMPJoinAckRx")
cnt=$(mptcp_lib_get_counter ${ns} "MPTcpExtMPJoinAckRx")
[ "$cnt" = "${old_cnt}" ] || break
sleep 0.1
done
@ -1271,7 +1255,7 @@ chk_csum_nr()
fi
print_check "sum"
count=$(get_counter ${ns1} "MPTcpExtDataCsumErr")
count=$(mptcp_lib_get_counter ${ns1} "MPTcpExtDataCsumErr")
if [ "$count" != "$csum_ns1" ]; then
extra_msg="$extra_msg ns1=$count"
fi
@ -1284,7 +1268,7 @@ chk_csum_nr()
print_ok
fi
print_check "csum"
count=$(get_counter ${ns2} "MPTcpExtDataCsumErr")
count=$(mptcp_lib_get_counter ${ns2} "MPTcpExtDataCsumErr")
if [ "$count" != "$csum_ns2" ]; then
extra_msg="$extra_msg ns2=$count"
fi
@ -1328,7 +1312,7 @@ chk_fail_nr()
fi
print_check "ftx"
count=$(get_counter ${ns_tx} "MPTcpExtMPFailTx")
count=$(mptcp_lib_get_counter ${ns_tx} "MPTcpExtMPFailTx")
if [ "$count" != "$fail_tx" ]; then
extra_msg="$extra_msg,tx=$count"
fi
@ -1342,7 +1326,7 @@ chk_fail_nr()
fi
print_check "failrx"
count=$(get_counter ${ns_rx} "MPTcpExtMPFailRx")
count=$(mptcp_lib_get_counter ${ns_rx} "MPTcpExtMPFailRx")
if [ "$count" != "$fail_rx" ]; then
extra_msg="$extra_msg,rx=$count"
fi
@ -1375,7 +1359,7 @@ chk_fclose_nr()
fi
print_check "ctx"
count=$(get_counter ${ns_tx} "MPTcpExtMPFastcloseTx")
count=$(mptcp_lib_get_counter ${ns_tx} "MPTcpExtMPFastcloseTx")
if [ -z "$count" ]; then
print_skip
elif [ "$count" != "$fclose_tx" ]; then
@ -1386,7 +1370,7 @@ chk_fclose_nr()
fi
print_check "fclzrx"
count=$(get_counter ${ns_rx} "MPTcpExtMPFastcloseRx")
count=$(mptcp_lib_get_counter ${ns_rx} "MPTcpExtMPFastcloseRx")
if [ -z "$count" ]; then
print_skip
elif [ "$count" != "$fclose_rx" ]; then
@ -1416,7 +1400,7 @@ chk_rst_nr()
fi
print_check "rtx"
count=$(get_counter ${ns_tx} "MPTcpExtMPRstTx")
count=$(mptcp_lib_get_counter ${ns_tx} "MPTcpExtMPRstTx")
if [ -z "$count" ]; then
print_skip
# accept more rst than expected except if we don't expect any
@ -1428,7 +1412,7 @@ chk_rst_nr()
fi
print_check "rstrx"
count=$(get_counter ${ns_rx} "MPTcpExtMPRstRx")
count=$(mptcp_lib_get_counter ${ns_rx} "MPTcpExtMPRstRx")
if [ -z "$count" ]; then
print_skip
# accept more rst than expected except if we don't expect any
@ -1449,7 +1433,7 @@ chk_infi_nr()
local count
print_check "itx"
count=$(get_counter ${ns2} "MPTcpExtInfiniteMapTx")
count=$(mptcp_lib_get_counter ${ns2} "MPTcpExtInfiniteMapTx")
if [ -z "$count" ]; then
print_skip
elif [ "$count" != "$infi_tx" ]; then
@ -1459,7 +1443,7 @@ chk_infi_nr()
fi
print_check "infirx"
count=$(get_counter ${ns1} "MPTcpExtInfiniteMapRx")
count=$(mptcp_lib_get_counter ${ns1} "MPTcpExtInfiniteMapRx")
if [ -z "$count" ]; then
print_skip
elif [ "$count" != "$infi_rx" ]; then
@ -1488,7 +1472,7 @@ chk_join_nr()
fi
print_check "syn"
count=$(get_counter ${ns1} "MPTcpExtMPJoinSynRx")
count=$(mptcp_lib_get_counter ${ns1} "MPTcpExtMPJoinSynRx")
if [ -z "$count" ]; then
print_skip
elif [ "$count" != "$syn_nr" ]; then
@ -1499,7 +1483,7 @@ chk_join_nr()
print_check "synack"
with_cookie=$(ip netns exec $ns2 sysctl -n net.ipv4.tcp_syncookies)
count=$(get_counter ${ns2} "MPTcpExtMPJoinSynAckRx")
count=$(mptcp_lib_get_counter ${ns2} "MPTcpExtMPJoinSynAckRx")
if [ -z "$count" ]; then
print_skip
elif [ "$count" != "$syn_ack_nr" ]; then
@ -1516,7 +1500,7 @@ chk_join_nr()
fi
print_check "ack"
count=$(get_counter ${ns1} "MPTcpExtMPJoinAckRx")
count=$(mptcp_lib_get_counter ${ns1} "MPTcpExtMPJoinAckRx")
if [ -z "$count" ]; then
print_skip
elif [ "$count" != "$ack_nr" ]; then
@ -1549,8 +1533,8 @@ chk_stale_nr()
print_check "stale"
stale_nr=$(get_counter ${ns} "MPTcpExtSubflowStale")
recover_nr=$(get_counter ${ns} "MPTcpExtSubflowRecover")
stale_nr=$(mptcp_lib_get_counter ${ns} "MPTcpExtSubflowStale")
recover_nr=$(mptcp_lib_get_counter ${ns} "MPTcpExtSubflowRecover")
if [ -z "$stale_nr" ] || [ -z "$recover_nr" ]; then
print_skip
elif [ $stale_nr -lt $stale_min ] ||
@ -1587,7 +1571,7 @@ chk_add_nr()
timeout=$(ip netns exec $ns1 sysctl -n net.mptcp.add_addr_timeout)
print_check "add"
count=$(get_counter ${ns2} "MPTcpExtAddAddr")
count=$(mptcp_lib_get_counter ${ns2} "MPTcpExtAddAddr")
if [ -z "$count" ]; then
print_skip
# if the test configured a short timeout tolerate greater then expected
@ -1599,7 +1583,7 @@ chk_add_nr()
fi
print_check "echo"
count=$(get_counter ${ns1} "MPTcpExtEchoAdd")
count=$(mptcp_lib_get_counter ${ns1} "MPTcpExtEchoAdd")
if [ -z "$count" ]; then
print_skip
elif [ "$count" != "$echo_nr" ]; then
@ -1610,7 +1594,7 @@ chk_add_nr()
if [ $port_nr -gt 0 ]; then
print_check "pt"
count=$(get_counter ${ns2} "MPTcpExtPortAdd")
count=$(mptcp_lib_get_counter ${ns2} "MPTcpExtPortAdd")
if [ -z "$count" ]; then
print_skip
elif [ "$count" != "$port_nr" ]; then
@ -1620,7 +1604,7 @@ chk_add_nr()
fi
print_check "syn"
count=$(get_counter ${ns1} "MPTcpExtMPJoinPortSynRx")
count=$(mptcp_lib_get_counter ${ns1} "MPTcpExtMPJoinPortSynRx")
if [ -z "$count" ]; then
print_skip
elif [ "$count" != "$syn_nr" ]; then
@ -1631,7 +1615,7 @@ chk_add_nr()
fi
print_check "synack"
count=$(get_counter ${ns2} "MPTcpExtMPJoinPortSynAckRx")
count=$(mptcp_lib_get_counter ${ns2} "MPTcpExtMPJoinPortSynAckRx")
if [ -z "$count" ]; then
print_skip
elif [ "$count" != "$syn_ack_nr" ]; then
@ -1642,7 +1626,7 @@ chk_add_nr()
fi
print_check "ack"
count=$(get_counter ${ns1} "MPTcpExtMPJoinPortAckRx")
count=$(mptcp_lib_get_counter ${ns1} "MPTcpExtMPJoinPortAckRx")
if [ -z "$count" ]; then
print_skip
elif [ "$count" != "$ack_nr" ]; then
@ -1653,7 +1637,7 @@ chk_add_nr()
fi
print_check "syn"
count=$(get_counter ${ns1} "MPTcpExtMismatchPortSynRx")
count=$(mptcp_lib_get_counter ${ns1} "MPTcpExtMismatchPortSynRx")
if [ -z "$count" ]; then
print_skip
elif [ "$count" != "$mis_syn_nr" ]; then
@ -1664,7 +1648,7 @@ chk_add_nr()
fi
print_check "ack"
count=$(get_counter ${ns1} "MPTcpExtMismatchPortAckRx")
count=$(mptcp_lib_get_counter ${ns1} "MPTcpExtMismatchPortAckRx")
if [ -z "$count" ]; then
print_skip
elif [ "$count" != "$mis_ack_nr" ]; then
@ -1686,7 +1670,7 @@ chk_add_tx_nr()
timeout=$(ip netns exec $ns1 sysctl -n net.mptcp.add_addr_timeout)
print_check "add TX"
count=$(get_counter ${ns1} "MPTcpExtAddAddrTx")
count=$(mptcp_lib_get_counter ${ns1} "MPTcpExtAddAddrTx")
if [ -z "$count" ]; then
print_skip
# if the test configured a short timeout tolerate greater then expected
@ -1698,7 +1682,7 @@ chk_add_tx_nr()
fi
print_check "echo TX"
count=$(get_counter ${ns2} "MPTcpExtEchoAddTx")
count=$(mptcp_lib_get_counter ${ns2} "MPTcpExtEchoAddTx")
if [ -z "$count" ]; then
print_skip
elif [ "$count" != "$echo_tx_nr" ]; then
@ -1736,7 +1720,7 @@ chk_rm_nr()
fi
print_check "rm"
count=$(get_counter ${addr_ns} "MPTcpExtRmAddr")
count=$(mptcp_lib_get_counter ${addr_ns} "MPTcpExtRmAddr")
if [ -z "$count" ]; then
print_skip
elif [ "$count" != "$rm_addr_nr" ]; then
@ -1746,13 +1730,13 @@ chk_rm_nr()
fi
print_check "rmsf"
count=$(get_counter ${subflow_ns} "MPTcpExtRmSubflow")
count=$(mptcp_lib_get_counter ${subflow_ns} "MPTcpExtRmSubflow")
if [ -z "$count" ]; then
print_skip
elif [ -n "$simult" ]; then
local cnt suffix
cnt=$(get_counter ${addr_ns} "MPTcpExtRmSubflow")
cnt=$(mptcp_lib_get_counter ${addr_ns} "MPTcpExtRmSubflow")
# in case of simult flush, the subflow removal count on each side is
# unreliable
@ -1778,7 +1762,7 @@ chk_rm_tx_nr()
local rm_addr_tx_nr=$1
print_check "rm TX"
count=$(get_counter ${ns2} "MPTcpExtRmAddrTx")
count=$(mptcp_lib_get_counter ${ns2} "MPTcpExtRmAddrTx")
if [ -z "$count" ]; then
print_skip
elif [ "$count" != "$rm_addr_tx_nr" ]; then
@ -1795,7 +1779,7 @@ chk_prio_nr()
local count
print_check "ptx"
count=$(get_counter ${ns1} "MPTcpExtMPPrioTx")
count=$(mptcp_lib_get_counter ${ns1} "MPTcpExtMPPrioTx")
if [ -z "$count" ]; then
print_skip
elif [ "$count" != "$mp_prio_nr_tx" ]; then
@ -1805,7 +1789,7 @@ chk_prio_nr()
fi
print_check "prx"
count=$(get_counter ${ns1} "MPTcpExtMPPrioRx")
count=$(mptcp_lib_get_counter ${ns1} "MPTcpExtMPPrioRx")
if [ -z "$count" ]; then
print_skip
elif [ "$count" != "$mp_prio_nr_rx" ]; then
@ -1905,7 +1889,7 @@ wait_attempt_fail()
while [ $time -lt $timeout_ms ]; do
local cnt
cnt=$(get_counter ${ns} "TcpAttemptFails")
cnt=$(mptcp_lib_get_counter ${ns} "TcpAttemptFails")
[ "$cnt" = 1 ] && return 1
time=$((time + 100))

16
tools/testing/selftests/net/mptcp/mptcp_lib.sh
View File

@ -216,3 +216,19 @@ mptcp_lib_kill_wait() {
kill "${1}" > /dev/null 2>&1
wait "${1}" 2>/dev/null
}
# $1: ns, $2: MIB counter
mptcp_lib_get_counter() {
local ns="${1}"
local counter="${2}"
local count
count=$(ip netns exec "${ns}" nstat -asz "${counter}" |
awk 'NR==1 {next} {print $2}')
if [ -z "${count}" ]; then
mptcp_lib_fail_if_expected_feature "${counter} counter"
return 1
fi
echo "${count}"
}

14
tools/testing/selftests/net/mptcp/userspace_pm.sh
View File

@ -887,9 +887,10 @@ test_prio()
# Check TX
print_test "MP_PRIO TX"
count=$(ip netns exec "$ns2" nstat -as | grep MPTcpExtMPPrioTx | awk '{print $2}')
[ -z "$count" ] && count=0
if [ $count != 1 ]; then
count=$(mptcp_lib_get_counter "$ns2" "MPTcpExtMPPrioTx")
if [ -z "$count" ]; then
test_skip
elif [ $count != 1 ]; then
test_fail "Count != 1: ${count}"
else
test_pass
@ -897,9 +898,10 @@ test_prio()
# Check RX
print_test "MP_PRIO RX"
count=$(ip netns exec "$ns1" nstat -as | grep MPTcpExtMPPrioRx | awk '{print $2}')
[ -z "$count" ] && count=0
if [ $count != 1 ]; then
count=$(mptcp_lib_get_counter "$ns1" "MPTcpExtMPPrioRx")
if [ -z "$count" ]; then
test_skip
elif [ $count != 1 ]; then
test_fail "Count != 1: ${count}"
else
test_pass