Linux tsuru-no-tsurugi 5.15.0-186-generic #196-Ubuntu SMP Sat Jun 20 16:09:34 UTC 2026 x86_64
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9p
[ DIR ]
drwxr-xr-x
2026-07-21 06:37
bluetooth
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2026-07-21 06:37
caif
[ DIR ]
drwxr-xr-x
2026-07-21 06:37
iucv
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2026-07-21 06:37
netfilter
[ DIR ]
drwxr-xr-x
2026-07-21 06:37
netns
[ DIR ]
drwxr-xr-x
2026-07-21 06:37
nfc
[ DIR ]
drwxr-xr-x
2026-07-21 06:37
phonet
[ DIR ]
drwxr-xr-x
2026-07-21 06:37
sctp
[ DIR ]
drwxr-xr-x
2026-07-21 06:37
tc_act
[ DIR ]
drwxr-xr-x
2026-07-21 06:37
6lowpan.h
10.03
KB
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2021-11-01 05:53
Space.h
737
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2021-11-01 05:53
act_api.h
8.52
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2026-06-21 00:49
addrconf.h
14.25
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2026-06-21 00:49
af_ieee802154.h
1.19
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2021-11-01 05:53
af_rxrpc.h
2.73
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2021-11-01 05:53
af_unix.h
3.3
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2026-06-21 00:49
af_vsock.h
7.41
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2026-06-21 00:49
ah.h
382
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2021-11-01 05:53
arp.h
2.09
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2026-06-21 00:49
atmclip.h
1.48
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2021-11-01 05:53
ax25.h
15.08
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2026-06-21 00:49
ax88796.h
1.41
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2021-11-01 05:53
bareudp.h
572
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2021-11-01 05:53
bond_3ad.h
9.48
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2026-06-21 00:49
bond_alb.h
6.1
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2026-06-21 00:49
bond_options.h
3.79
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2026-06-21 00:49
bonding.h
19.79
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2026-06-21 00:49
bpf_sk_storage.h
1.74
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2021-11-01 05:53
busy_poll.h
3.87
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2026-06-21 00:49
calipso.h
1.55
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2021-11-01 05:53
cfg80211-wext.h
1.81
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2021-11-01 05:53
cfg80211.h
294.25
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2026-06-21 00:49
cfg802154.h
10.53
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2026-06-21 00:49
checksum.h
4.75
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2026-06-21 00:49
cipso_ipv4.h
7.37
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2021-11-01 05:53
cls_cgroup.h
2.04
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2026-06-21 00:49
codel.h
5.65
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2021-11-01 05:53
codel_impl.h
7.98
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2021-11-01 05:53
codel_qdisc.h
2.9
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2021-11-01 05:53
compat.h
2.53
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2021-11-01 05:53
datalink.h
619
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2021-11-01 05:53
dcbevent.h
742
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2021-11-01 05:53
dcbnl.h
4.22
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2021-11-01 05:53
devlink.h
62.1
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2021-11-01 05:53
dsa.h
35.38
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2026-06-21 00:49
dsfield.h
1.12
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2021-11-01 05:53
dst.h
14.8
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2026-06-21 00:49
dst_cache.h
2.96
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2026-06-21 00:49
dst_metadata.h
5.39
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2026-06-21 00:49
dst_ops.h
2.08
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2026-06-21 00:49
erspan.h
8.96
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2021-11-01 05:53
esp.h
1.16
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2021-11-01 05:53
espintcp.h
966
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2021-11-01 05:53
ethoc.h
391
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2021-11-01 05:53
failover.h
1.15
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2021-11-01 05:53
fib_notifier.h
1.35
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2021-11-01 05:53
fib_rules.h
6.3
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2026-06-21 00:49
firewire.h
636
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2021-11-01 05:53
flow.h
5
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2026-06-21 00:49
flow_dissector.h
10.77
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2026-06-21 00:49
flow_offload.h
15.56
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fou.h
549
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fq.h
2.47
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fq_impl.h
7.89
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2021-11-01 05:53
garp.h
2.62
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2021-11-01 05:53
gen_stats.h
2.82
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2021-11-01 05:53
genetlink.h
13.53
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2026-06-21 00:49
geneve.h
1.85
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2021-11-01 05:53
gre.h
3.29
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2021-11-01 05:53
gro.h
783
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2021-11-01 05:53
gro_cells.h
443
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2021-11-01 05:53
gtp.h
633
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2021-11-01 05:53
gue.h
3.24
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2021-11-01 05:53
hwbm.h
969
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2021-11-01 05:53
icmp.h
1.87
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2021-11-01 05:53
ieee80211_radiotap.h
13.2
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2021-11-01 05:53
ieee802154_netdev.h
9.86
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2026-06-21 00:49
if_inet6.h
6.54
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2026-06-21 00:49
ife.h
1.03
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2021-11-01 05:53
ila.h
291
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2021-11-01 05:53
inet6_connection_sock.h
765
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2021-11-01 05:53
inet6_hashtables.h
4.16
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2026-06-21 00:49
inet_common.h
2.55
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2021-11-01 05:53
inet_connection_sock.h
11.25
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2026-06-21 00:49
inet_ecn.h
7.45
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2021-11-01 05:53
inet_frag.h
4.93
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2026-06-21 00:49
inet_hashtables.h
12.24
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2026-06-21 00:49
inet_sock.h
9.76
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2026-06-21 00:49
inet_timewait_sock.h
3.65
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2021-11-01 05:53
inetpeer.h
3.29
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2021-11-01 05:53
ioam6.h
1.22
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2026-06-21 00:49
ip.h
22.23
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2026-06-21 00:49
ip6_checksum.h
2.71
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2021-11-01 05:53
ip6_fib.h
15.9
KB
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2026-06-21 00:49
ip6_route.h
9.99
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2021-11-01 05:53
ip6_tunnel.h
4.98
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2026-06-21 00:49
ip_fib.h
15.96
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2026-06-21 00:49
ip_tunnels.h
15.58
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2026-06-21 00:49
ip_vs.h
49.4
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2026-06-21 00:49
ipcomp.h
659
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2021-11-01 05:53
ipconfig.h
811
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2021-11-01 05:53
ipv6.h
35.15
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2026-06-21 00:49
ipv6_frag.h
3.28
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2026-06-21 00:49
ipv6_stubs.h
3.4
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2026-06-21 00:49
iw_handler.h
20.91
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2021-11-01 05:53
kcm.h
4.84
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2026-06-21 00:49
l3mdev.h
7.03
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2026-06-21 00:49
lag.h
409
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2021-11-01 05:53
lapb.h
4.82
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2026-06-21 00:49
lib80211.h
3.92
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2021-11-01 05:53
llc.h
4.41
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2026-06-21 00:49
llc_c_ac.h
9.31
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2021-11-01 05:53
llc_c_ev.h
10.68
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2021-11-01 05:53
llc_c_st.h
1.72
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2021-11-01 05:53
llc_conn.h
4.06
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2021-11-01 05:53
llc_if.h
2.16
KB
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2021-11-01 05:53
llc_pdu.h
14.35
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2026-06-21 00:49
llc_s_ac.h
1.55
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2021-11-01 05:53
llc_s_ev.h
2.2
KB
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2021-11-01 05:53
llc_s_st.h
947
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2021-11-01 05:53
llc_sap.h
1.08
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2021-11-01 05:53
lwtunnel.h
6.65
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2026-06-21 00:49
mac80211.h
267.7
KB
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2026-06-21 00:49
mac802154.h
14.88
KB
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2021-11-01 05:53
macsec.h
6.92
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2026-06-21 00:49
mctp.h
6.01
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2026-06-21 00:49
mctpdevice.h
841
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2026-06-21 00:49
mip6.h
1016
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2021-11-01 05:53
mld.h
2.85
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2021-11-01 05:53
mpls.h
943
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2021-11-01 05:53
mpls_iptunnel.h
429
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2021-11-01 05:53
mptcp.h
6.62
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2026-06-21 00:49
mrp.h
3.05
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2026-06-21 00:49
ncsi.h
1.92
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2021-11-01 05:53
ndisc.h
14.79
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2026-06-21 00:49
neighbour.h
15.72
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2026-06-21 00:49
net_failover.h
1023
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2021-11-01 05:53
net_namespace.h
12.5
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2026-06-21 00:49
net_ratelimit.h
220
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2021-11-01 05:53
netevent.h
1.02
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2021-11-01 05:53
netlabel.h
20.19
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2026-06-21 00:49
netlink.h
60.44
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2026-06-21 00:49
netprio_cgroup.h
1.02
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2021-11-01 05:53
netrom.h
7.71
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2021-11-01 05:53
nexthop.h
12.27
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2021-11-01 05:53
nl802154.h
12.09
KB
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2026-06-21 00:49
nsh.h
12.31
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2021-11-01 05:53
p8022.h
447
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2021-11-01 05:53
page_pool.h
8.44
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2026-06-21 00:49
pie.h
3.61
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2026-06-21 00:49
ping.h
2.9
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2021-11-01 05:53
pkt_cls.h
23.86
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2021-11-01 05:53
pkt_sched.h
5.9
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2026-06-21 00:49
pptp.h
557
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2021-11-01 05:53
protocol.h
3.81
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2026-06-21 00:49
psample.h
1.06
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2021-11-01 05:53
psnap.h
351
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2021-11-01 05:53
raw.h
2.09
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2026-06-21 00:49
rawv6.h
854
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2021-11-01 05:53
red.h
11.33
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2026-06-21 00:49
regulatory.h
10.65
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2021-11-01 05:53
request_sock.h
6.5
KB
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2026-06-21 00:49
rose.h
7.62
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2021-11-01 05:53
route.h
11.09
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2026-06-21 00:49
rpl.h
839
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2026-06-21 00:49
rsi_91x.h
1.67
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2021-11-01 05:53
rtnetlink.h
7.46
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2026-06-21 00:49
rtnh.h
859
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2021-11-01 05:53
sch_generic.h
34.17
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2026-06-21 00:49
scm.h
3.79
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2026-06-21 00:49
secure_seq.h
855
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2026-06-21 00:49
seg6.h
2.18
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2026-06-21 00:49
seg6_hmac.h
1.44
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2021-11-01 05:53
seg6_local.h
644
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2021-11-01 05:53
selftests.h
582
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2021-11-01 05:53
slhc_vj.h
6.67
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2021-11-01 05:53
smc.h
2.45
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2021-11-01 05:53
snmp.h
5.14
KB
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2021-11-01 05:53
sock.h
84.33
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2026-06-21 00:49
sock_reuseport.h
1.83
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2026-06-21 00:49
stp.h
383
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2021-11-01 05:53
strparser.h
4.15
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2026-06-21 00:49
switchdev.h
14.27
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2026-06-21 00:49
tcp.h
73.48
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2026-06-21 00:49
tcp_states.h
1.2
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2021-11-01 05:53
timewait_sock.h
925
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2021-11-01 05:53
tipc.h
2.35
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2021-11-01 05:53
tls.h
20.96
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2026-06-21 00:49
tls_toe.h
2.94
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2021-11-01 05:53
transp_v6.h
1.95
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2021-11-01 05:53
tso.h
566
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2021-11-01 05:53
tun_proto.h
988
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2021-11-01 05:53
udp.h
16.64
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2026-06-21 00:49
udp_tunnel.h
12.44
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2026-06-21 00:49
udplite.h
3.67
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2026-06-21 00:49
vsock_addr.h
662
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2021-11-01 05:53
vxlan.h
14.09
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2026-06-21 00:49
wext.h
1.47
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2021-11-01 05:53
x25.h
9.49
KB
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2021-11-01 05:53
x25device.h
387
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2021-11-01 05:53
xdp.h
8.62
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2026-06-21 00:49
xdp_priv.h
446
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2021-11-01 05:53
xdp_sock.h
2.04
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2021-11-01 05:53
xdp_sock_drv.h
5.48
KB
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2026-06-21 00:49
xfrm.h
54.98
KB
-rw-r--r--
2026-06-21 00:49
xsk_buff_pool.h
5.02
KB
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2026-06-21 00:49
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/* SPDX-License-Identifier: GPL-2.0 */ #ifndef __NET_UDP_TUNNEL_H #define __NET_UDP_TUNNEL_H #include <net/ip_tunnels.h> #include <net/udp.h> #if IS_ENABLED(CONFIG_IPV6) #include <net/ipv6.h> #include <net/ipv6_stubs.h> #endif struct udp_port_cfg { u8 family; /* Used only for kernel-created sockets */ union { struct in_addr local_ip; #if IS_ENABLED(CONFIG_IPV6) struct in6_addr local_ip6; #endif }; union { struct in_addr peer_ip; #if IS_ENABLED(CONFIG_IPV6) struct in6_addr peer_ip6; #endif }; __be16 local_udp_port; __be16 peer_udp_port; int bind_ifindex; unsigned int use_udp_checksums:1, use_udp6_tx_checksums:1, use_udp6_rx_checksums:1, ipv6_v6only:1; }; int udp_sock_create4(struct net *net, struct udp_port_cfg *cfg, struct socket **sockp); #if IS_ENABLED(CONFIG_IPV6) int udp_sock_create6(struct net *net, struct udp_port_cfg *cfg, struct socket **sockp); #else static inline int udp_sock_create6(struct net *net, struct udp_port_cfg *cfg, struct socket **sockp) { return -EPFNOSUPPORT; } #endif static inline int udp_sock_create(struct net *net, struct udp_port_cfg *cfg, struct socket **sockp) { if (cfg->family == AF_INET) return udp_sock_create4(net, cfg, sockp); if (cfg->family == AF_INET6) return udp_sock_create6(net, cfg, sockp); return -EPFNOSUPPORT; } typedef int (*udp_tunnel_encap_rcv_t)(struct sock *sk, struct sk_buff *skb); typedef int (*udp_tunnel_encap_err_lookup_t)(struct sock *sk, struct sk_buff *skb); typedef void (*udp_tunnel_encap_err_rcv_t)(struct sock *sk, struct sk_buff *skb, unsigned int udp_offset); typedef void (*udp_tunnel_encap_destroy_t)(struct sock *sk); typedef struct sk_buff *(*udp_tunnel_gro_receive_t)(struct sock *sk, struct list_head *head, struct sk_buff *skb); typedef int (*udp_tunnel_gro_complete_t)(struct sock *sk, struct sk_buff *skb, int nhoff); struct udp_tunnel_sock_cfg { void *sk_user_data; /* user data used by encap_rcv call back */ /* Used for setting up udp_sock fields, see udp.h for details */ __u8 encap_type; udp_tunnel_encap_rcv_t encap_rcv; udp_tunnel_encap_err_lookup_t encap_err_lookup; udp_tunnel_encap_err_rcv_t encap_err_rcv; udp_tunnel_encap_destroy_t encap_destroy; udp_tunnel_gro_receive_t gro_receive; udp_tunnel_gro_complete_t gro_complete; }; /* Setup the given (UDP) sock to receive UDP encapsulated packets */ void setup_udp_tunnel_sock(struct net *net, struct socket *sock, struct udp_tunnel_sock_cfg *sock_cfg); /* -- List of parsable UDP tunnel types -- * * Adding to this list will result in serious debate. The main issue is * that this list is essentially a list of workarounds for either poorly * designed tunnels, or poorly designed device offloads. * * The parsing supported via these types should really be used for Rx * traffic only as the network stack will have already inserted offsets for * the location of the headers in the skb. In addition any ports that are * pushed should be kept within the namespace without leaking to other * devices such as VFs or other ports on the same device. * * It is strongly encouraged to use CHECKSUM_COMPLETE for Rx to avoid the * need to use this for Rx checksum offload. It should not be necessary to * call this function to perform Tx offloads on outgoing traffic. */ enum udp_parsable_tunnel_type { UDP_TUNNEL_TYPE_VXLAN = BIT(0), /* RFC 7348 */ UDP_TUNNEL_TYPE_GENEVE = BIT(1), /* draft-ietf-nvo3-geneve */ UDP_TUNNEL_TYPE_VXLAN_GPE = BIT(2), /* draft-ietf-nvo3-vxlan-gpe */ }; struct udp_tunnel_info { unsigned short type; sa_family_t sa_family; __be16 port; u8 hw_priv; }; /* Notify network devices of offloadable types */ void udp_tunnel_push_rx_port(struct net_device *dev, struct socket *sock, unsigned short type); void udp_tunnel_drop_rx_port(struct net_device *dev, struct socket *sock, unsigned short type); void udp_tunnel_notify_add_rx_port(struct socket *sock, unsigned short type); void udp_tunnel_notify_del_rx_port(struct socket *sock, unsigned short type); static inline void udp_tunnel_get_rx_info(struct net_device *dev) { ASSERT_RTNL(); if (!(dev->features & NETIF_F_RX_UDP_TUNNEL_PORT)) return; call_netdevice_notifiers(NETDEV_UDP_TUNNEL_PUSH_INFO, dev); } static inline void udp_tunnel_drop_rx_info(struct net_device *dev) { ASSERT_RTNL(); if (!(dev->features & NETIF_F_RX_UDP_TUNNEL_PORT)) return; call_netdevice_notifiers(NETDEV_UDP_TUNNEL_DROP_INFO, dev); } /* Transmit the skb using UDP encapsulation. */ void udp_tunnel_xmit_skb(struct rtable *rt, struct sock *sk, struct sk_buff *skb, __be32 src, __be32 dst, __u8 tos, __u8 ttl, __be16 df, __be16 src_port, __be16 dst_port, bool xnet, bool nocheck); int udp_tunnel6_xmit_skb(struct dst_entry *dst, struct sock *sk, struct sk_buff *skb, struct net_device *dev, struct in6_addr *saddr, struct in6_addr *daddr, __u8 prio, __u8 ttl, __be32 label, __be16 src_port, __be16 dst_port, bool nocheck); void udp_tunnel_sock_release(struct socket *sock); struct rtable *udp_tunnel_dst_lookup(struct sk_buff *skb, struct net_device *dev, struct net *net, int oif, __be32 *saddr, const struct ip_tunnel_key *key, __be16 sport, __be16 dport, u8 tos, struct dst_cache *dst_cache); struct dst_entry *udp_tunnel6_dst_lookup(struct sk_buff *skb, struct net_device *dev, struct net *net, struct socket *sock, struct in6_addr *saddr, const struct ip_tunnel_info *info, u8 protocol, bool use_cache); struct metadata_dst *udp_tun_rx_dst(struct sk_buff *skb, unsigned short family, __be16 flags, __be64 tunnel_id, int md_size); #ifdef CONFIG_INET static inline int udp_tunnel_handle_offloads(struct sk_buff *skb, bool udp_csum) { int type = udp_csum ? SKB_GSO_UDP_TUNNEL_CSUM : SKB_GSO_UDP_TUNNEL; return iptunnel_handle_offloads(skb, type); } #endif static inline void udp_tunnel_encap_enable(struct socket *sock) { struct udp_sock *up = udp_sk(sock->sk); if (up->encap_enabled) return; up->encap_enabled = 1; #if IS_ENABLED(CONFIG_IPV6) if (sock->sk->sk_family == PF_INET6) ipv6_stub->udpv6_encap_enable(); #endif udp_encap_enable(); } #define UDP_TUNNEL_NIC_MAX_TABLES 4 enum udp_tunnel_nic_info_flags { /* Device callbacks may sleep */ UDP_TUNNEL_NIC_INFO_MAY_SLEEP = BIT(0), /* Device only supports offloads when it's open, all ports * will be removed before close and re-added after open. */ UDP_TUNNEL_NIC_INFO_OPEN_ONLY = BIT(1), /* Device supports only IPv4 tunnels */ UDP_TUNNEL_NIC_INFO_IPV4_ONLY = BIT(2), /* Device has hard-coded the IANA VXLAN port (4789) as VXLAN. * This port must not be counted towards n_entries of any table. * Driver will not receive any callback associated with port 4789. */ UDP_TUNNEL_NIC_INFO_STATIC_IANA_VXLAN = BIT(3), }; struct udp_tunnel_nic; #define UDP_TUNNEL_NIC_MAX_SHARING_DEVICES (U16_MAX / 2) struct udp_tunnel_nic_shared { struct udp_tunnel_nic *udp_tunnel_nic_info; struct list_head devices; }; struct udp_tunnel_nic_shared_node { struct net_device *dev; struct list_head list; }; /** * struct udp_tunnel_nic_info - driver UDP tunnel offload information * @set_port: callback for adding a new port * @unset_port: callback for removing a port * @sync_table: callback for syncing the entire port table at once * @shared: reference to device global state (optional) * @flags: device flags from enum udp_tunnel_nic_info_flags * @tables: UDP port tables this device has * @tables.n_entries: number of entries in this table * @tables.tunnel_types: types of tunnels this table accepts * * Drivers are expected to provide either @set_port and @unset_port callbacks * or the @sync_table callback. Callbacks are invoked with rtnl lock held. * * Devices which (misguidedly) share the UDP tunnel port table across multiple * netdevs should allocate an instance of struct udp_tunnel_nic_shared and * point @shared at it. * There must never be more than %UDP_TUNNEL_NIC_MAX_SHARING_DEVICES devices * sharing a table. * * Known limitations: * - UDP tunnel port notifications are fundamentally best-effort - * it is likely the driver will both see skbs which use a UDP tunnel port, * while not being a tunneled skb, and tunnel skbs from other ports - * drivers should only use these ports for non-critical RX-side offloads, * e.g. the checksum offload; * - none of the devices care about the socket family at present, so we don't * track it. Please extend this code if you care. */ struct udp_tunnel_nic_info { /* one-by-one */ int (*set_port)(struct net_device *dev, unsigned int table, unsigned int entry, struct udp_tunnel_info *ti); int (*unset_port)(struct net_device *dev, unsigned int table, unsigned int entry, struct udp_tunnel_info *ti); /* all at once */ int (*sync_table)(struct net_device *dev, unsigned int table); struct udp_tunnel_nic_shared *shared; unsigned int flags; struct udp_tunnel_nic_table_info { unsigned int n_entries; unsigned int tunnel_types; } tables[UDP_TUNNEL_NIC_MAX_TABLES]; }; /* UDP tunnel module dependencies * * Tunnel drivers are expected to have a hard dependency on the udp_tunnel * module. NIC drivers are not, they just attach their * struct udp_tunnel_nic_info to the netdev and wait for callbacks to come. * Loading a tunnel driver will cause the udp_tunnel module to be loaded * and only then will all the required state structures be allocated. * Since we want a weak dependency from the drivers and the core to udp_tunnel * we call things through the following stubs. */ struct udp_tunnel_nic_ops { void (*get_port)(struct net_device *dev, unsigned int table, unsigned int idx, struct udp_tunnel_info *ti); void (*set_port_priv)(struct net_device *dev, unsigned int table, unsigned int idx, u8 priv); void (*add_port)(struct net_device *dev, struct udp_tunnel_info *ti); void (*del_port)(struct net_device *dev, struct udp_tunnel_info *ti); void (*reset_ntf)(struct net_device *dev); size_t (*dump_size)(struct net_device *dev, unsigned int table); int (*dump_write)(struct net_device *dev, unsigned int table, struct sk_buff *skb); }; #ifdef CONFIG_INET extern const struct udp_tunnel_nic_ops *udp_tunnel_nic_ops; #else #define udp_tunnel_nic_ops ((struct udp_tunnel_nic_ops *)NULL) #endif static inline void udp_tunnel_nic_get_port(struct net_device *dev, unsigned int table, unsigned int idx, struct udp_tunnel_info *ti) { /* This helper is used from .sync_table, we indicate empty entries * by zero'ed @ti. Drivers which need to know the details of a port * when it gets deleted should use the .set_port / .unset_port * callbacks. * Zero out here, otherwise !CONFIG_INET causes uninitilized warnings. */ memset(ti, 0, sizeof(*ti)); if (udp_tunnel_nic_ops) udp_tunnel_nic_ops->get_port(dev, table, idx, ti); } static inline void udp_tunnel_nic_set_port_priv(struct net_device *dev, unsigned int table, unsigned int idx, u8 priv) { if (udp_tunnel_nic_ops) udp_tunnel_nic_ops->set_port_priv(dev, table, idx, priv); } static inline void udp_tunnel_nic_add_port(struct net_device *dev, struct udp_tunnel_info *ti) { if (!(dev->features & NETIF_F_RX_UDP_TUNNEL_PORT)) return; if (udp_tunnel_nic_ops) udp_tunnel_nic_ops->add_port(dev, ti); } static inline void udp_tunnel_nic_del_port(struct net_device *dev, struct udp_tunnel_info *ti) { if (!(dev->features & NETIF_F_RX_UDP_TUNNEL_PORT)) return; if (udp_tunnel_nic_ops) udp_tunnel_nic_ops->del_port(dev, ti); } /** * udp_tunnel_nic_reset_ntf() - device-originating reset notification * @dev: network interface device structure * * Called by the driver to inform the core that the entire UDP tunnel port * state has been lost, usually due to device reset. Core will assume device * forgot all the ports and issue .set_port and .sync_table callbacks as * necessary. * * This function must be called with rtnl lock held, and will issue all * the callbacks before returning. */ static inline void udp_tunnel_nic_reset_ntf(struct net_device *dev) { if (udp_tunnel_nic_ops) udp_tunnel_nic_ops->reset_ntf(dev); } static inline size_t udp_tunnel_nic_dump_size(struct net_device *dev, unsigned int table) { if (!udp_tunnel_nic_ops) return 0; return udp_tunnel_nic_ops->dump_size(dev, table); } static inline int udp_tunnel_nic_dump_write(struct net_device *dev, unsigned int table, struct sk_buff *skb) { if (!udp_tunnel_nic_ops) return 0; return udp_tunnel_nic_ops->dump_write(dev, table, skb); } #endif