Merge git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net

Pull networking fixes from David Miller:
 "Yeah I should have sent a pull request last week, so there is a lot
  more here than usual:

   1) Fix memory leak in ebtables compat code, from Wenwen Wang.

   2) Several kTLS bug fixes from Jakub Kicinski (circular close on
      disconnect etc.)

   3) Force slave speed check on link state recovery in bonding 802.3ad
      mode, from Thomas Falcon.

   4) Clear RX descriptor bits before assigning buffers to them in
      stmmac, from Jose Abreu.

   5) Several missing of_node_put() calls, mostly wrt. for_each_*() OF
      loops, from Nishka Dasgupta.

   6) Double kfree_skb() in peak_usb can driver, from Stephane Grosjean.

   7) Need to hold sock across skb->destructor invocation, from Cong
      Wang.

   8) IP header length needs to be validated in ipip tunnel xmit, from
      Haishuang Yan.

   9) Use after free in ip6 tunnel driver, also from Haishuang Yan.

  10) Do not use MSI interrupts on r8169 chips before RTL8168d, from
      Heiner Kallweit.

  11) Upon bridge device init failure, we need to delete the local fdb.
      From Nikolay Aleksandrov.

  12) Handle erros from of_get_mac_address() properly in stmmac, from
      Martin Blumenstingl.

  13) Handle concurrent rename vs. dump in netfilter ipset, from Jozsef
      Kadlecsik.

  14) Setting NETIF_F_LLTX on mac80211 causes complete breakage with
      some devices, so revert. From Johannes Berg.

  15) Fix deadlock in rxrpc, from David Howells.

  16) Fix Kconfig deps of enetc driver, we must have PHYLIB. From Yue
      Haibing.

  17) Fix mvpp2 crash on module removal, from Matteo Croce.

  18) Fix race in genphy_update_link, from Heiner Kallweit.

  19) bpf_xdp_adjust_head() stopped working with generic XDP when we
      fixes generic XDP to support stacked devices properly, fix from
      Jesper Dangaard Brouer.

  20) Unbalanced RCU locking in rt6_update_exception_stamp_rt(), from
      David Ahern.

  21) Several memory leaks in new sja1105 driver, from Vladimir Oltean"

* git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net: (214 commits)
  net: dsa: sja1105: Fix memory leak on meta state machine error path
  net: dsa: sja1105: Fix memory leak on meta state machine normal path
  net: dsa: sja1105: Really fix panic on unregistering PTP clock
  net: dsa: sja1105: Use the LOCKEDS bit for SJA1105 E/T as well
  net: dsa: sja1105: Fix broken learning with vlan_filtering disabled
  net: dsa: qca8k: Add of_node_put() in qca8k_setup_mdio_bus()
  net: sched: sample: allow accessing psample_group with rtnl
  net: sched: police: allow accessing police->params with rtnl
  net: hisilicon: Fix dma_map_single failed on arm64
  net: hisilicon: fix hip04-xmit never return TX_BUSY
  net: hisilicon: make hip04_tx_reclaim non-reentrant
  tc-testing: updated vlan action tests with batch create/delete
  net sched: update vlan action for batched events operations
  net: stmmac: tc: Do not return a fragment entry
  net: stmmac: Fix issues when number of Queues >= 4
  net: stmmac: xgmac: Fix XGMAC selftests
  be2net: disable bh with spin_lock in be_process_mcc
  net: cxgb3_main: Fix a resource leak in a error path in 'init_one()'
  net: ethernet: sun4i-emac: Support phy-handle property for finding PHYs
  net: bridge: move default pvid init/deinit to NETDEV_REGISTER/UNREGISTER
  ...
This commit is contained in:
Linus Torvalds
2019-08-06 17:11:59 -07:00
225 changed files with 2403 additions and 1275 deletions

View File

@@ -57,7 +57,8 @@ TEST_PROGS := test_kmod.sh \
test_lirc_mode2.sh \
test_skb_cgroup_id.sh \
test_flow_dissector.sh \
test_xdp_vlan.sh \
test_xdp_vlan_mode_generic.sh \
test_xdp_vlan_mode_native.sh \
test_lwt_ip_encap.sh \
test_tcp_check_syncookie.sh \
test_tc_tunnel.sh \

View File

@@ -41,8 +41,7 @@ int sendmsg_v6_prog(struct bpf_sock_addr *ctx)
}
/* Rewrite destination. */
if ((ctx->user_ip6[0] & 0xFFFF) == bpf_htons(0xFACE) &&
ctx->user_ip6[0] >> 16 == bpf_htons(0xB00C)) {
if (ctx->user_ip6[0] == bpf_htonl(0xFACEB00C)) {
ctx->user_ip6[0] = bpf_htonl(DST_REWRITE_IP6_0);
ctx->user_ip6[1] = bpf_htonl(DST_REWRITE_IP6_1);
ctx->user_ip6[2] = bpf_htonl(DST_REWRITE_IP6_2);

View File

@@ -1,6 +1,14 @@
#!/bin/bash
# SPDX-License-Identifier: GPL-2.0
# Author: Jesper Dangaard Brouer <hawk@kernel.org>
TESTNAME=xdp_vlan
# Allow wrapper scripts to name test
if [ -z "$TESTNAME" ]; then
TESTNAME=xdp_vlan
fi
# Default XDP mode
XDP_MODE=xdpgeneric
usage() {
echo "Testing XDP + TC eBPF VLAN manipulations: $TESTNAME"
@@ -9,9 +17,23 @@ usage() {
echo " -v | --verbose : Verbose"
echo " --flush : Flush before starting (e.g. after --interactive)"
echo " --interactive : Keep netns setup running after test-run"
echo " --mode=XXX : Choose XDP mode (xdp | xdpgeneric | xdpdrv)"
echo ""
}
valid_xdp_mode()
{
local mode=$1
case "$mode" in
xdpgeneric | xdpdrv | xdp)
return 0
;;
*)
return 1
esac
}
cleanup()
{
local status=$?
@@ -37,7 +59,7 @@ cleanup()
# Using external program "getopt" to get --long-options
OPTIONS=$(getopt -o hvfi: \
--long verbose,flush,help,interactive,debug -- "$@")
--long verbose,flush,help,interactive,debug,mode: -- "$@")
if (( $? != 0 )); then
usage
echo "selftests: $TESTNAME [FAILED] Error calling getopt, unknown option?"
@@ -60,6 +82,11 @@ while true; do
cleanup
shift
;;
--mode )
shift
XDP_MODE=$1
shift
;;
-- )
shift
break
@@ -81,8 +108,14 @@ if [ "$EUID" -ne 0 ]; then
exit 1
fi
ip link set dev lo xdp off 2>/dev/null > /dev/null
if [ $? -ne 0 ];then
valid_xdp_mode $XDP_MODE
if [ $? -ne 0 ]; then
echo "selftests: $TESTNAME [FAILED] unknown XDP mode ($XDP_MODE)"
exit 1
fi
ip link set dev lo xdpgeneric off 2>/dev/null > /dev/null
if [ $? -ne 0 ]; then
echo "selftests: $TESTNAME [SKIP] need ip xdp support"
exit 0
fi
@@ -155,7 +188,7 @@ ip netns exec ns2 ip link set lo up
# At this point, the hosts cannot reach each-other,
# because ns2 are using VLAN tags on the packets.
ip netns exec ns2 sh -c 'ping -W 1 -c 1 100.64.41.1 || echo "Okay ping fails"'
ip netns exec ns2 sh -c 'ping -W 1 -c 1 100.64.41.1 || echo "Success: First ping must fail"'
# Now we can use the test_xdp_vlan.c program to pop/push these VLAN tags
@@ -166,7 +199,7 @@ export FILE=test_xdp_vlan.o
# First test: Remove VLAN by setting VLAN ID 0, using "xdp_vlan_change"
export XDP_PROG=xdp_vlan_change
ip netns exec ns1 ip link set $DEVNS1 xdp object $FILE section $XDP_PROG
ip netns exec ns1 ip link set $DEVNS1 $XDP_MODE object $FILE section $XDP_PROG
# In ns1: egress use TC to add back VLAN tag 4011
# (del cmd)
@@ -177,8 +210,8 @@ ip netns exec ns1 tc filter add dev $DEVNS1 egress \
prio 1 handle 1 bpf da obj $FILE sec tc_vlan_push
# Now the namespaces can reach each-other, test with ping:
ip netns exec ns2 ping -W 2 -c 3 $IPADDR1
ip netns exec ns1 ping -W 2 -c 3 $IPADDR2
ip netns exec ns2 ping -i 0.2 -W 2 -c 2 $IPADDR1
ip netns exec ns1 ping -i 0.2 -W 2 -c 2 $IPADDR2
# Second test: Replace xdp prog, that fully remove vlan header
#
@@ -187,9 +220,9 @@ ip netns exec ns1 ping -W 2 -c 3 $IPADDR2
# ETH_P_8021Q indication, and this cause overwriting of our changes.
#
export XDP_PROG=xdp_vlan_remove_outer2
ip netns exec ns1 ip link set $DEVNS1 xdp off
ip netns exec ns1 ip link set $DEVNS1 xdp object $FILE section $XDP_PROG
ip netns exec ns1 ip link set $DEVNS1 $XDP_MODE off
ip netns exec ns1 ip link set $DEVNS1 $XDP_MODE object $FILE section $XDP_PROG
# Now the namespaces should still be able reach each-other, test with ping:
ip netns exec ns2 ping -W 2 -c 3 $IPADDR1
ip netns exec ns1 ping -W 2 -c 3 $IPADDR2
ip netns exec ns2 ping -i 0.2 -W 2 -c 2 $IPADDR1
ip netns exec ns1 ping -i 0.2 -W 2 -c 2 $IPADDR2

View File

@@ -0,0 +1,9 @@
#!/bin/bash
# SPDX-License-Identifier: GPL-2.0
# Exit on failure
set -e
# Wrapper script to test generic-XDP
export TESTNAME=xdp_vlan_mode_generic
./test_xdp_vlan.sh --mode=xdpgeneric

View File

@@ -0,0 +1,9 @@
#!/bin/bash
# SPDX-License-Identifier: GPL-2.0
# Exit on failure
set -e
# Wrapper script to test native-XDP
export TESTNAME=xdp_vlan_mode_native
./test_xdp_vlan.sh --mode=xdpdrv

View File

@@ -974,6 +974,17 @@
.result = ACCEPT,
.prog_type = BPF_PROG_TYPE_CGROUP_SKB,
},
{
"read gso_segs from CGROUP_SKB",
.insns = {
BPF_LDX_MEM(BPF_W, BPF_REG_1, BPF_REG_1,
offsetof(struct __sk_buff, gso_segs)),
BPF_MOV64_IMM(BPF_REG_0, 0),
BPF_EXIT_INSN(),
},
.result = ACCEPT,
.prog_type = BPF_PROG_TYPE_CGROUP_SKB,
},
{
"write gso_segs from CGROUP_SKB",
.insns = {

View File

@@ -17,7 +17,7 @@ tcp_inq
tls
txring_overwrite
ip_defrag
ipv6_flowlabel
ipv6_flowlabel_mgr
so_txtime
flowlabel
flowlabel_mgr
tcp_fastopen_backup_key

View File

@@ -93,18 +93,10 @@ sw1_create()
ip route add vrf v$ol1 192.0.2.16/28 \
nexthop dev g1a \
nexthop dev g1b
tc qdisc add dev $ul1 clsact
tc filter add dev $ul1 egress pref 111 prot ipv4 \
flower dst_ip 192.0.2.66 action pass
tc filter add dev $ul1 egress pref 222 prot ipv4 \
flower dst_ip 192.0.2.82 action pass
}
sw1_destroy()
{
tc qdisc del dev $ul1 clsact
ip route del vrf v$ol1 192.0.2.16/28
ip route del vrf v$ol1 192.0.2.82/32 via 192.0.2.146
@@ -139,10 +131,18 @@ sw2_create()
ip route add vrf v$ol2 192.0.2.0/28 \
nexthop dev g2a \
nexthop dev g2b
tc qdisc add dev $ul2 clsact
tc filter add dev $ul2 ingress pref 111 prot 802.1Q \
flower vlan_id 111 action pass
tc filter add dev $ul2 ingress pref 222 prot 802.1Q \
flower vlan_id 222 action pass
}
sw2_destroy()
{
tc qdisc del dev $ul2 clsact
ip route del vrf v$ol2 192.0.2.0/28
ip route del vrf v$ol2 192.0.2.81/32 via 192.0.2.145
@@ -187,12 +187,16 @@ setup_prepare()
sw1_create
sw2_create
h2_create
forwarding_enable
}
cleanup()
{
pre_cleanup
forwarding_restore
h2_destroy
sw2_destroy
sw1_destroy
@@ -211,15 +215,15 @@ multipath4_test()
nexthop dev g1a weight $weight1 \
nexthop dev g1b weight $weight2
local t0_111=$(tc_rule_stats_get $ul1 111 egress)
local t0_222=$(tc_rule_stats_get $ul1 222 egress)
local t0_111=$(tc_rule_stats_get $ul2 111 ingress)
local t0_222=$(tc_rule_stats_get $ul2 222 ingress)
ip vrf exec v$h1 \
$MZ $h1 -q -p 64 -A 192.0.2.1 -B 192.0.2.18 \
-d 1msec -t udp "sp=1024,dp=0-32768"
local t1_111=$(tc_rule_stats_get $ul1 111 egress)
local t1_222=$(tc_rule_stats_get $ul1 222 egress)
local t1_111=$(tc_rule_stats_get $ul2 111 ingress)
local t1_222=$(tc_rule_stats_get $ul2 222 ingress)
local d111=$((t1_111 - t0_111))
local d222=$((t1_222 - t0_222))

View File

@@ -25,6 +25,80 @@
#define TLS_PAYLOAD_MAX_LEN 16384
#define SOL_TLS 282
#ifndef ENOTSUPP
#define ENOTSUPP 524
#endif
FIXTURE(tls_basic)
{
int fd, cfd;
bool notls;
};
FIXTURE_SETUP(tls_basic)
{
struct sockaddr_in addr;
socklen_t len;
int sfd, ret;
self->notls = false;
len = sizeof(addr);
addr.sin_family = AF_INET;
addr.sin_addr.s_addr = htonl(INADDR_ANY);
addr.sin_port = 0;
self->fd = socket(AF_INET, SOCK_STREAM, 0);
sfd = socket(AF_INET, SOCK_STREAM, 0);
ret = bind(sfd, &addr, sizeof(addr));
ASSERT_EQ(ret, 0);
ret = listen(sfd, 10);
ASSERT_EQ(ret, 0);
ret = getsockname(sfd, &addr, &len);
ASSERT_EQ(ret, 0);
ret = connect(self->fd, &addr, sizeof(addr));
ASSERT_EQ(ret, 0);
self->cfd = accept(sfd, &addr, &len);
ASSERT_GE(self->cfd, 0);
close(sfd);
ret = setsockopt(self->fd, IPPROTO_TCP, TCP_ULP, "tls", sizeof("tls"));
if (ret != 0) {
ASSERT_EQ(errno, ENOENT);
self->notls = true;
printf("Failure setting TCP_ULP, testing without tls\n");
return;
}
ret = setsockopt(self->cfd, IPPROTO_TCP, TCP_ULP, "tls", sizeof("tls"));
ASSERT_EQ(ret, 0);
}
FIXTURE_TEARDOWN(tls_basic)
{
close(self->fd);
close(self->cfd);
}
/* Send some data through with ULP but no keys */
TEST_F(tls_basic, base_base)
{
char const *test_str = "test_read";
int send_len = 10;
char buf[10];
ASSERT_EQ(strlen(test_str) + 1, send_len);
EXPECT_EQ(send(self->fd, test_str, send_len, 0), send_len);
EXPECT_NE(recv(self->cfd, buf, send_len, 0), -1);
EXPECT_EQ(memcmp(buf, test_str, send_len), 0);
};
FIXTURE(tls)
{
int fd, cfd;
@@ -165,6 +239,16 @@ TEST_F(tls, msg_more)
EXPECT_EQ(memcmp(buf, test_str, send_len), 0);
}
TEST_F(tls, msg_more_unsent)
{
char const *test_str = "test_read";
int send_len = 10;
char buf[10];
EXPECT_EQ(send(self->fd, test_str, send_len, MSG_MORE), send_len);
EXPECT_EQ(recv(self->cfd, buf, send_len, MSG_DONTWAIT), -1);
}
TEST_F(tls, sendmsg_single)
{
struct msghdr msg;
@@ -610,6 +694,42 @@ TEST_F(tls, recv_lowat)
EXPECT_EQ(memcmp(send_mem, recv_mem + 10, 5), 0);
}
TEST_F(tls, bidir)
{
char const *test_str = "test_read";
int send_len = 10;
char buf[10];
int ret;
if (!self->notls) {
struct tls12_crypto_info_aes_gcm_128 tls12;
memset(&tls12, 0, sizeof(tls12));
tls12.info.version = TLS_1_3_VERSION;
tls12.info.cipher_type = TLS_CIPHER_AES_GCM_128;
ret = setsockopt(self->fd, SOL_TLS, TLS_RX, &tls12,
sizeof(tls12));
ASSERT_EQ(ret, 0);
ret = setsockopt(self->cfd, SOL_TLS, TLS_TX, &tls12,
sizeof(tls12));
ASSERT_EQ(ret, 0);
}
ASSERT_EQ(strlen(test_str) + 1, send_len);
EXPECT_EQ(send(self->fd, test_str, send_len, 0), send_len);
EXPECT_NE(recv(self->cfd, buf, send_len, 0), -1);
EXPECT_EQ(memcmp(buf, test_str, send_len), 0);
memset(buf, 0, sizeof(buf));
EXPECT_EQ(send(self->cfd, test_str, send_len, 0), send_len);
EXPECT_NE(recv(self->fd, buf, send_len, 0), -1);
EXPECT_EQ(memcmp(buf, test_str, send_len), 0);
};
TEST_F(tls, pollin)
{
char const *test_str = "test_poll";
@@ -837,6 +957,109 @@ TEST_F(tls, control_msg)
EXPECT_EQ(memcmp(buf, test_str, send_len), 0);
}
TEST_F(tls, shutdown)
{
char const *test_str = "test_read";
int send_len = 10;
char buf[10];
ASSERT_EQ(strlen(test_str) + 1, send_len);
EXPECT_EQ(send(self->fd, test_str, send_len, 0), send_len);
EXPECT_NE(recv(self->cfd, buf, send_len, 0), -1);
EXPECT_EQ(memcmp(buf, test_str, send_len), 0);
shutdown(self->fd, SHUT_RDWR);
shutdown(self->cfd, SHUT_RDWR);
}
TEST_F(tls, shutdown_unsent)
{
char const *test_str = "test_read";
int send_len = 10;
EXPECT_EQ(send(self->fd, test_str, send_len, MSG_MORE), send_len);
shutdown(self->fd, SHUT_RDWR);
shutdown(self->cfd, SHUT_RDWR);
}
TEST_F(tls, shutdown_reuse)
{
struct sockaddr_in addr;
int ret;
shutdown(self->fd, SHUT_RDWR);
shutdown(self->cfd, SHUT_RDWR);
close(self->cfd);
addr.sin_family = AF_INET;
addr.sin_addr.s_addr = htonl(INADDR_ANY);
addr.sin_port = 0;
ret = bind(self->fd, &addr, sizeof(addr));
EXPECT_EQ(ret, 0);
ret = listen(self->fd, 10);
EXPECT_EQ(ret, -1);
EXPECT_EQ(errno, EINVAL);
ret = connect(self->fd, &addr, sizeof(addr));
EXPECT_EQ(ret, -1);
EXPECT_EQ(errno, EISCONN);
}
TEST(non_established) {
struct tls12_crypto_info_aes_gcm_256 tls12;
struct sockaddr_in addr;
int sfd, ret, fd;
socklen_t len;
len = sizeof(addr);
memset(&tls12, 0, sizeof(tls12));
tls12.info.version = TLS_1_2_VERSION;
tls12.info.cipher_type = TLS_CIPHER_AES_GCM_256;
addr.sin_family = AF_INET;
addr.sin_addr.s_addr = htonl(INADDR_ANY);
addr.sin_port = 0;
fd = socket(AF_INET, SOCK_STREAM, 0);
sfd = socket(AF_INET, SOCK_STREAM, 0);
ret = bind(sfd, &addr, sizeof(addr));
ASSERT_EQ(ret, 0);
ret = listen(sfd, 10);
ASSERT_EQ(ret, 0);
ret = setsockopt(fd, IPPROTO_TCP, TCP_ULP, "tls", sizeof("tls"));
EXPECT_EQ(ret, -1);
/* TLS ULP not supported */
if (errno == ENOENT)
return;
EXPECT_EQ(errno, ENOTSUPP);
ret = setsockopt(sfd, IPPROTO_TCP, TCP_ULP, "tls", sizeof("tls"));
EXPECT_EQ(ret, -1);
EXPECT_EQ(errno, ENOTSUPP);
ret = getsockname(sfd, &addr, &len);
ASSERT_EQ(ret, 0);
ret = connect(fd, &addr, sizeof(addr));
ASSERT_EQ(ret, 0);
ret = setsockopt(fd, IPPROTO_TCP, TCP_ULP, "tls", sizeof("tls"));
ASSERT_EQ(ret, 0);
ret = setsockopt(fd, IPPROTO_TCP, TCP_ULP, "tls", sizeof("tls"));
EXPECT_EQ(ret, -1);
EXPECT_EQ(errno, EEXIST);
close(fd);
close(sfd);
}
TEST(keysizes) {
struct tls12_crypto_info_aes_gcm_256 tls12;
struct sockaddr_in addr;

View File

@@ -713,5 +713,99 @@
"teardown": [
"$TC actions flush action vlan"
]
},
{
"id": "294e",
"name": "Add batch of 32 vlan push actions with cookie",
"category": [
"actions",
"vlan"
],
"setup": [
[
"$TC actions flush action vlan",
0,
1,
255
]
],
"cmdUnderTest": "bash -c \"for i in \\`seq 1 32\\`; do cmd=\\\"action vlan push protocol 802.1q id 4094 priority 7 pipe index \\$i cookie aabbccddeeff112233445566778800a1 \\\"; args=\"\\$args\\$cmd\"; done && $TC actions add \\$args\"",
"expExitCode": "0",
"verifyCmd": "$TC actions list action vlan",
"matchPattern": "^[ \t]+index [0-9]+ ref",
"matchCount": "32",
"teardown": [
"$TC actions flush action vlan"
]
},
{
"id": "56f7",
"name": "Delete batch of 32 vlan push actions",
"category": [
"actions",
"vlan"
],
"setup": [
[
"$TC actions flush action vlan",
0,
1,
255
],
"bash -c \"for i in \\`seq 1 32\\`; do cmd=\\\"action vlan push protocol 802.1q id 4094 priority 7 pipe index \\$i \\\"; args=\\\"\\$args\\$cmd\\\"; done && $TC actions add \\$args\""
],
"cmdUnderTest": "bash -c \"for i in \\`seq 1 32\\`; do cmd=\\\"action vlan index \\$i \\\"; args=\"\\$args\\$cmd\"; done && $TC actions del \\$args\"",
"expExitCode": "0",
"verifyCmd": "$TC actions list action vlan",
"matchPattern": "^[ \t]+index [0-9]+ ref",
"matchCount": "0",
"teardown": []
},
{
"id": "759f",
"name": "Add batch of 32 vlan pop actions with cookie",
"category": [
"actions",
"vlan"
],
"setup": [
[
"$TC actions flush action vlan",
0,
1,
255
]
],
"cmdUnderTest": "bash -c \"for i in \\`seq 1 32\\`; do cmd=\\\"action vlan pop continue index \\$i cookie aabbccddeeff112233445566778800a1 \\\"; args=\"\\$args\\$cmd\"; done && $TC actions add \\$args\"",
"expExitCode": "0",
"verifyCmd": "$TC actions list action vlan",
"matchPattern": "^[ \t]+index [0-9]+ ref",
"matchCount": "32",
"teardown": [
"$TC actions flush action vlan"
]
},
{
"id": "c84a",
"name": "Delete batch of 32 vlan pop actions",
"category": [
"actions",
"vlan"
],
"setup": [
[
"$TC actions flush action vlan",
0,
1,
255
],
"bash -c \"for i in \\`seq 1 32\\`; do cmd=\\\"action vlan pop index \\$i \\\"; args=\\\"\\$args\\$cmd\\\"; done && $TC actions add \\$args\""
],
"cmdUnderTest": "bash -c \"for i in \\`seq 1 32\\`; do cmd=\\\"action vlan index \\$i \\\"; args=\"\\$args\\$cmd\"; done && $TC actions del \\$args\"",
"expExitCode": "0",
"verifyCmd": "$TC actions list action vlan",
"matchPattern": "^[ \t]+index [0-9]+ ref",
"matchCount": "0",
"teardown": []
}
]