Gecko [ www.jobworksschool.com ]

Name	Size	Permission	Date
9p	[ DIR ]	drwxr-xr-x	2026-06-04 06:36
bluetooth	[ DIR ]	drwxr-xr-x	2026-06-04 06:36
caif	[ DIR ]	drwxr-xr-x	2026-06-04 06:36
iucv	[ DIR ]	drwxr-xr-x	2026-06-04 06:36
mana	[ DIR ]	drwxr-xr-x	2026-06-04 06:36
netfilter	[ DIR ]	drwxr-xr-x	2026-06-04 06:36
netns	[ DIR ]	drwxr-xr-x	2026-06-04 06:36
nfc	[ DIR ]	drwxr-xr-x	2026-06-04 06:36
page_pool	[ DIR ]	drwxr-xr-x	2026-06-04 06:36
phonet	[ DIR ]	drwxr-xr-x	2026-06-04 06:36
sctp	[ DIR ]	drwxr-xr-x	2026-06-04 06:36
tc_act	[ DIR ]	drwxr-xr-x	2026-06-04 06:36
6lowpan.h	10.03 KB	-rw-r--r--	2024-03-10 20:38
Space.h	455 B	-rw-r--r--	2024-03-10 20:38
act_api.h	9.27 KB	-rw-r--r--	2024-03-10 20:38
addrconf.h	14.28 KB	-rw-r--r--	2026-05-26 09:55
af_ieee802154.h	1.19 KB	-rw-r--r--	2024-03-10 20:38
af_rxrpc.h	3.3 KB	-rw-r--r--	2024-03-10 20:38
af_unix.h	3.76 KB	-rw-r--r--	2026-05-26 09:55
af_vsock.h	8.41 KB	-rw-r--r--	2026-05-26 09:55
ah.h	382 B	-rw-r--r--	2024-03-10 20:38
amt.h	8.35 KB	-rw-r--r--	2024-03-10 20:38
arp.h	1.95 KB	-rw-r--r--	2024-03-10 20:38
atmclip.h	1.48 KB	-rw-r--r--	2024-03-10 20:38
ax25.h	14.94 KB	-rw-r--r--	2026-05-26 09:55
ax88796.h	1.43 KB	-rw-r--r--	2024-03-10 20:38
bareudp.h	333 B	-rw-r--r--	2024-03-10 20:38
bond_3ad.h	9.48 KB	-rw-r--r--	2026-05-26 09:55
bond_alb.h	6.1 KB	-rw-r--r--	2024-03-10 20:38
bond_options.h	4.83 KB	-rw-r--r--	2026-05-26 09:55
bonding.h	21.37 KB	-rw-r--r--	2026-05-26 09:55
bpf_sk_storage.h	1.74 KB	-rw-r--r--	2024-03-10 20:38
busy_poll.h	4.28 KB	-rw-r--r--	2026-05-26 09:55
calipso.h	1.55 KB	-rw-r--r--	2024-03-10 20:38
cfg80211-wext.h	1.86 KB	-rw-r--r--	2024-03-10 20:38
cfg80211.h	336.64 KB	-rw-r--r--	2026-05-26 09:55
cfg802154.h	16.68 KB	-rw-r--r--	2026-05-26 09:55
checksum.h	4.98 KB	-rw-r--r--	2026-05-26 09:55
cipso_ipv4.h	7.37 KB	-rw-r--r--	2024-03-10 20:38
cls_cgroup.h	2.04 KB	-rw-r--r--	2026-05-26 09:55
codel.h	5.86 KB	-rw-r--r--	2024-03-10 20:38
codel_impl.h	8.3 KB	-rw-r--r--	2024-03-10 20:38
codel_qdisc.h	2.95 KB	-rw-r--r--	2024-03-10 20:38
compat.h	2.48 KB	-rw-r--r--	2024-03-10 20:38
datalink.h	590 B	-rw-r--r--	2024-03-10 20:38
dcbevent.h	766 B	-rw-r--r--	2024-03-10 20:38
dcbnl.h	4.98 KB	-rw-r--r--	2024-03-10 20:38
devlink.h	70.92 KB	-rw-r--r--	2024-03-10 20:38
dropreason-core.h	14.76 KB	-rw-r--r--	2026-05-26 09:55
dropreason.h	1.36 KB	-rw-r--r--	2024-03-10 20:38
dsa.h	41.05 KB	-rw-r--r--	2026-05-26 09:55
dsa_stubs.h	1.28 KB	-rw-r--r--	2024-03-10 20:38
dsfield.h	1.12 KB	-rw-r--r--	2024-03-10 20:38
dst.h	15.12 KB	-rw-r--r--	2026-05-26 09:55
dst_cache.h	2.96 KB	-rw-r--r--	2024-03-10 20:38
dst_metadata.h	6.34 KB	-rw-r--r--	2024-03-10 20:38
dst_ops.h	2.07 KB	-rw-r--r--	2026-05-26 09:55
erspan.h	9.04 KB	-rw-r--r--	2024-03-10 20:38
esp.h	1.18 KB	-rw-r--r--	2024-03-10 20:38
espintcp.h	966 B	-rw-r--r--	2024-03-10 20:38
ethoc.h	439 B	-rw-r--r--	2024-03-10 20:38
failover.h	1.18 KB	-rw-r--r--	2024-03-10 20:38
fib_notifier.h	1.35 KB	-rw-r--r--	2024-03-10 20:38
fib_rules.h	5.39 KB	-rw-r--r--	2024-03-10 20:38
firewire.h	599 B	-rw-r--r--	2024-03-10 20:38
flow.h	4.96 KB	-rw-r--r--	2024-03-10 20:38
flow_dissector.h	11.95 KB	-rw-r--r--	2024-03-10 20:38
flow_offload.h	17.37 KB	-rw-r--r--	2024-03-10 20:38
fou.h	578 B	-rw-r--r--	2024-03-10 20:38
fq.h	2.41 KB	-rw-r--r--	2024-03-10 20:38
fq_impl.h	7.96 KB	-rw-r--r--	2024-03-10 20:38
garp.h	2.67 KB	-rw-r--r--	2024-03-10 20:38
gen_stats.h	2.99 KB	-rw-r--r--	2024-03-10 20:38
genetlink.h	19.62 KB	-rw-r--r--	2026-05-26 09:55
geneve.h	1.84 KB	-rw-r--r--	2024-03-10 20:38
gre.h	3.29 KB	-rw-r--r--	2024-03-10 20:38
gro.h	13.38 KB	-rw-r--r--	2026-05-26 09:55
gro_cells.h	443 B	-rw-r--r--	2024-03-10 20:38
gso.h	3.2 KB	-rw-r--r--	2024-03-10 20:38
gtp.h	1.46 KB	-rw-r--r--	2024-03-10 20:38
gue.h	3.29 KB	-rw-r--r--	2024-03-10 20:38
handshake.h	1.39 KB	-rw-r--r--	2024-03-10 20:38
hwbm.h	995 B	-rw-r--r--	2024-03-10 20:38
icmp.h	1.87 KB	-rw-r--r--	2024-03-10 20:38
ieee80211_radiotap.h	23.22 KB	-rw-r--r--	2026-05-26 09:55
ieee802154_netdev.h	13.02 KB	-rw-r--r--	2024-03-10 20:38
if_inet6.h	6.6 KB	-rw-r--r--	2024-03-10 20:38
ife.h	1.03 KB	-rw-r--r--	2024-03-10 20:38
inet6_connection_sock.h	794 B	-rw-r--r--	2024-03-10 20:38
inet6_hashtables.h	5.57 KB	-rw-r--r--	2026-05-26 09:55
inet_common.h	2.83 KB	-rw-r--r--	2024-03-10 20:38
inet_connection_sock.h	11.7 KB	-rw-r--r--	2026-05-26 09:55
inet_dscp.h	1.55 KB	-rw-r--r--	2024-03-10 20:38
inet_ecn.h	7.83 KB	-rw-r--r--	2024-03-10 20:38
inet_frag.h	5.25 KB	-rw-r--r--	2026-05-26 09:55
inet_hashtables.h	16.6 KB	-rw-r--r--	2026-05-26 09:55
inet_sock.h	11.36 KB	-rw-r--r--	2026-05-26 09:55
inet_timewait_sock.h	3.71 KB	-rw-r--r--	2026-05-26 09:55
inetpeer.h	3.23 KB	-rw-r--r--	2026-05-26 09:55
ioam6.h	1.19 KB	-rw-r--r--	2024-03-10 20:38
ip.h	23.18 KB	-rw-r--r--	2026-05-26 09:55
ip6_checksum.h	2.3 KB	-rw-r--r--	2024-03-10 20:38
ip6_fib.h	17.13 KB	-rw-r--r--	2026-05-26 09:55
ip6_route.h	10.18 KB	-rw-r--r--	2026-05-26 09:55
ip6_tunnel.h	5.01 KB	-rw-r--r--	2024-03-10 20:38
ip_fib.h	16.13 KB	-rw-r--r--	2026-05-26 09:55
ip_tunnels.h	16.52 KB	-rw-r--r--	2026-05-26 09:55
ip_vs.h	53.83 KB	-rw-r--r--	2024-03-10 20:38
ipcomp.h	737 B	-rw-r--r--	2024-03-10 20:38
ipconfig.h	837 B	-rw-r--r--	2024-03-10 20:38
ipv6.h	37.58 KB	-rw-r--r--	2026-05-26 09:55
ipv6_frag.h	3.38 KB	-rw-r--r--	2024-03-10 20:38
ipv6_stubs.h	3.75 KB	-rw-r--r--	2026-05-26 09:55
iw_handler.h	20.66 KB	-rw-r--r--	2024-03-10 20:38
kcm.h	4.84 KB	-rw-r--r--	2026-05-26 09:55
l3mdev.h	7.03 KB	-rw-r--r--	2026-05-26 09:55
lag.h	409 B	-rw-r--r--	2024-03-10 20:38
lapb.h	4.82 KB	-rw-r--r--	2026-05-26 09:55
lib80211.h	3.92 KB	-rw-r--r--	2024-03-10 20:38
llc.h	4.41 KB	-rw-r--r--	2024-03-10 20:38
llc_c_ac.h	9.32 KB	-rw-r--r--	2024-03-10 20:38
llc_c_ev.h	10.61 KB	-rw-r--r--	2024-03-10 20:38
llc_c_st.h	1.77 KB	-rw-r--r--	2024-03-10 20:38
llc_conn.h	4.11 KB	-rw-r--r--	2024-03-10 20:38
llc_if.h	2.17 KB	-rw-r--r--	2024-03-10 20:38
llc_pdu.h	14.46 KB	-rw-r--r--	2024-03-10 20:38
llc_s_ac.h	1.59 KB	-rw-r--r--	2024-03-10 20:38
llc_s_ev.h	2.22 KB	-rw-r--r--	2024-03-10 20:38
llc_s_st.h	1.03 KB	-rw-r--r--	2024-03-10 20:38
llc_sap.h	1.08 KB	-rw-r--r--	2024-03-10 20:38
lwtunnel.h	6.69 KB	-rw-r--r--	2026-05-26 09:55
mac80211.h	293.16 KB	-rw-r--r--	2026-05-26 09:55
mac802154.h	14.88 KB	-rw-r--r--	2024-03-10 20:38
macsec.h	10.53 KB	-rw-r--r--	2026-05-26 09:55
mctp.h	8.03 KB	-rw-r--r--	2026-05-26 09:55
mctpdevice.h	1.26 KB	-rw-r--r--	2024-03-10 20:38
mip6.h	1016 B	-rw-r--r--	2024-03-10 20:38
mld.h	2.85 KB	-rw-r--r--	2024-03-10 20:38
mpls.h	943 B	-rw-r--r--	2024-03-10 20:38
mpls_iptunnel.h	481 B	-rw-r--r--	2024-03-10 20:38
mptcp.h	7.41 KB	-rw-r--r--	2024-03-10 20:38
mrp.h	3.13 KB	-rw-r--r--	2024-03-10 20:38
ncsi.h	1.94 KB	-rw-r--r--	2024-03-10 20:38
ndisc.h	14.64 KB	-rw-r--r--	2024-03-10 20:38
neighbour.h	16.55 KB	-rw-r--r--	2026-05-26 09:55
net_debug.h	5.08 KB	-rw-r--r--	2026-05-26 09:55
net_failover.h	1023 B	-rw-r--r--	2024-03-10 20:38
net_namespace.h	14.36 KB	-rw-r--r--	2026-05-26 09:55
net_ratelimit.h	220 B	-rw-r--r--	2024-03-10 20:38
net_trackers.h	424 B	-rw-r--r--	2024-03-10 20:38
netdev_queues.h	5.75 KB	-rw-r--r--	2024-03-10 20:38
netdev_rx_queue.h	1.32 KB	-rw-r--r--	2024-03-10 20:38
netevent.h	1.04 KB	-rw-r--r--	2024-03-10 20:38
netkit.h	1.16 KB	-rw-r--r--	2024-03-10 20:38
netlabel.h	20.15 KB	-rw-r--r--	2026-05-26 09:55
netlink.h	64.18 KB	-rw-r--r--	2024-03-10 20:38
netprio_cgroup.h	1.02 KB	-rw-r--r--	2024-03-10 20:38
netrom.h	7.73 KB	-rw-r--r--	2024-03-10 20:38
nexthop.h	11.91 KB	-rw-r--r--	2024-03-10 20:38
nl802154.h	16.04 KB	-rw-r--r--	2024-03-10 20:38
nsh.h	12.3 KB	-rw-r--r--	2024-03-10 20:38
p8022.h	403 B	-rw-r--r--	2024-03-10 20:38
pie.h	3.6 KB	-rw-r--r--	2024-03-10 20:38
ping.h	2.66 KB	-rw-r--r--	2024-03-10 20:38
pkt_cls.h	25.47 KB	-rw-r--r--	2024-03-10 20:38
pkt_sched.h	7.74 KB	-rw-r--r--	2026-05-26 09:55
pptp.h	604 B	-rw-r--r--	2024-03-10 20:38
protocol.h	3.81 KB	-rw-r--r--	2024-03-10 20:38
psample.h	1.06 KB	-rw-r--r--	2024-03-10 20:38
psnap.h	430 B	-rw-r--r--	2024-03-10 20:38
raw.h	2.46 KB	-rw-r--r--	2024-03-10 20:38
rawv6.h	862 B	-rw-r--r--	2024-03-10 20:38
red.h	11.33 KB	-rw-r--r--	2024-03-10 20:38
regulatory.h	9.96 KB	-rw-r--r--	2024-03-10 20:38
request_sock.h	6.5 KB	-rw-r--r--	2024-03-10 20:38
rose.h	8.06 KB	-rw-r--r--	2026-05-26 09:55
route.h	11.32 KB	-rw-r--r--	2026-05-26 09:55
rpl.h	749 B	-rw-r--r--	2024-03-10 20:38
rsi_91x.h	1.67 KB	-rw-r--r--	2024-03-10 20:38
rtnetlink.h	7.58 KB	-rw-r--r--	2026-05-26 09:55
rtnh.h	859 B	-rw-r--r--	2024-03-10 20:38
sch_generic.h	34.15 KB	-rw-r--r--	2026-05-26 09:55
scm.h	5.36 KB	-rw-r--r--	2026-05-26 09:55
secure_seq.h	868 B	-rw-r--r--	2024-03-10 20:38
seg6.h	2.18 KB	-rw-r--r--	2024-03-10 20:38
seg6_hmac.h	1.44 KB	-rw-r--r--	2024-03-10 20:38
seg6_local.h	644 B	-rw-r--r--	2024-03-10 20:38
selftests.h	582 B	-rw-r--r--	2024-03-10 20:38
slhc_vj.h	6.67 KB	-rw-r--r--	2024-03-10 20:38
smc.h	2.5 KB	-rw-r--r--	2026-05-26 09:55
snmp.h	5.14 KB	-rw-r--r--	2024-03-10 20:38
sock.h	85.78 KB	-rw-r--r--	2026-05-26 09:55
sock_reuseport.h	1.83 KB	-rw-r--r--	2024-03-10 20:38
stp.h	412 B	-rw-r--r--	2024-03-10 20:38
strparser.h	4.34 KB	-rw-r--r--	2026-05-26 09:55
switchdev.h	15.1 KB	-rw-r--r--	2024-03-10 20:38
tc_wrapper.h	6.29 KB	-rw-r--r--	2026-05-26 09:55
tcp.h	85.12 KB	-rw-r--r--	2026-05-26 09:55
tcp_ao.h	12.08 KB	-rw-r--r--	2026-05-26 09:55
tcp_states.h	1.3 KB	-rw-r--r--	2024-03-10 20:38
tcx.h	4.3 KB	-rw-r--r--	2026-05-26 09:55
timewait_sock.h	925 B	-rw-r--r--	2024-03-10 20:38
tipc.h	2.35 KB	-rw-r--r--	2024-03-10 20:38
tls.h	13.28 KB	-rw-r--r--	2026-05-26 09:55
tls_prot.h	1.84 KB	-rw-r--r--	2024-03-10 20:38
tls_toe.h	2.94 KB	-rw-r--r--	2024-03-10 20:38
transp_v6.h	1.88 KB	-rw-r--r--	2024-03-10 20:38
tso.h	721 B	-rw-r--r--	2024-03-10 20:38
tun_proto.h	1015 B	-rw-r--r--	2024-03-10 20:38
udp.h	15.88 KB	-rw-r--r--	2026-05-26 09:55
udp_tunnel.h	12.47 KB	-rw-r--r--	2024-03-10 20:38
udplite.h	2.3 KB	-rw-r--r--	2024-03-10 20:38
vsock_addr.h	662 B	-rw-r--r--	2024-03-10 20:38
vxlan.h	15.83 KB	-rw-r--r--	2026-05-26 09:55
wext.h	1.47 KB	-rw-r--r--	2024-03-10 20:38
x25.h	9.46 KB	-rw-r--r--	2024-03-10 20:38
x25device.h	387 B	-rw-r--r--	2024-03-10 20:38
xdp.h	15.85 KB	-rw-r--r--	2026-05-26 09:55
xdp_priv.h	427 B	-rw-r--r--	2024-03-10 20:38
xdp_sock.h	6.3 KB	-rw-r--r--	2026-05-26 09:55
xdp_sock_drv.h	9.33 KB	-rw-r--r--	2024-03-10 20:38
xfrm.h	58.29 KB	-rw-r--r--	2026-05-26 09:55
xsk_buff_pool.h	7.13 KB	-rw-r--r--	2026-05-26 09:55

Rename

/* SPDX-License-Identifier: GPL-2.0 */
#ifndef __NET_LWTUNNEL_H
#define __NET_LWTUNNEL_H 1

#include <linux/lwtunnel.h>
#include <linux/netdevice.h>
#include <linux/skbuff.h>
#include <linux/types.h>
#include <net/route.h>

#define LWTUNNEL_HASH_BITS   7
#define LWTUNNEL_HASH_SIZE   (1 << LWTUNNEL_HASH_BITS)

/* lw tunnel state flags */
#define LWTUNNEL_STATE_OUTPUT_REDIRECT	BIT(0)
#define LWTUNNEL_STATE_INPUT_REDIRECT	BIT(1)
#define LWTUNNEL_STATE_XMIT_REDIRECT	BIT(2)

/* LWTUNNEL_XMIT_CONTINUE should be distinguishable from dst_output return
 * values (NET_XMIT_xxx and NETDEV_TX_xxx in linux/netdevice.h) for safety.
 */
enum {
	LWTUNNEL_XMIT_DONE,
	LWTUNNEL_XMIT_CONTINUE = 0x100,
};

struct lwtunnel_state {
	__u16		type;
	__u16		flags;
	__u16		headroom;
	atomic_t	refcnt;
	int		(*orig_output)(struct net *net, struct sock *sk, struct sk_buff *skb);
	int		(*orig_input)(struct sk_buff *);
	struct		rcu_head rcu;
	__u8            data[];
};

struct lwtunnel_encap_ops {
	int (*build_state)(struct net *net, struct nlattr *encap,
			   unsigned int family, const void *cfg,
			   struct lwtunnel_state **ts,
			   struct netlink_ext_ack *extack);
	void (*destroy_state)(struct lwtunnel_state *lws);
	int (*output)(struct net *net, struct sock *sk, struct sk_buff *skb);
	int (*input)(struct sk_buff *skb);
	int (*fill_encap)(struct sk_buff *skb,
			  struct lwtunnel_state *lwtstate);
	int (*get_encap_size)(struct lwtunnel_state *lwtstate);
	int (*cmp_encap)(struct lwtunnel_state *a, struct lwtunnel_state *b);
	int (*xmit)(struct sk_buff *skb);

struct module *owner;
};

#ifdef CONFIG_LWTUNNEL

DECLARE_STATIC_KEY_FALSE(nf_hooks_lwtunnel_enabled);

void lwtstate_free(struct lwtunnel_state *lws);

static inline struct lwtunnel_state *
lwtstate_get(struct lwtunnel_state *lws)
{
	if (lws)
		atomic_inc(&lws->refcnt);

return lws;
}

static inline void lwtstate_put(struct lwtunnel_state *lws)
{
	if (!lws)
		return;

if (atomic_dec_and_test(&lws->refcnt))
		lwtstate_free(lws);
}

static inline bool lwtunnel_output_redirect(struct lwtunnel_state *lwtstate)
{
	if (lwtstate && (lwtstate->flags & LWTUNNEL_STATE_OUTPUT_REDIRECT))
		return true;

return false;
}

static inline bool lwtunnel_input_redirect(struct lwtunnel_state *lwtstate)
{
	if (lwtstate && (lwtstate->flags & LWTUNNEL_STATE_INPUT_REDIRECT))
		return true;

return false;
}

static inline bool lwtunnel_xmit_redirect(struct lwtunnel_state *lwtstate)
{
	if (lwtstate && (lwtstate->flags & LWTUNNEL_STATE_XMIT_REDIRECT))
		return true;

return false;
}

static inline unsigned int lwtunnel_headroom(struct lwtunnel_state *lwtstate,
					     unsigned int mtu)
{
	if ((lwtunnel_xmit_redirect(lwtstate) ||
	     lwtunnel_output_redirect(lwtstate)) && lwtstate->headroom < mtu)
		return lwtstate->headroom;

return 0;
}

int lwtunnel_encap_add_ops(const struct lwtunnel_encap_ops *op,
			   unsigned int num);
int lwtunnel_encap_del_ops(const struct lwtunnel_encap_ops *op,
			   unsigned int num);
int lwtunnel_valid_encap_type(u16 encap_type,
			      struct netlink_ext_ack *extack);
int lwtunnel_valid_encap_type_attr(struct nlattr *attr, int len,
				   struct netlink_ext_ack *extack);
int lwtunnel_build_state(struct net *net, u16 encap_type,
			 struct nlattr *encap,
			 unsigned int family, const void *cfg,
			 struct lwtunnel_state **lws,
			 struct netlink_ext_ack *extack);
int lwtunnel_fill_encap(struct sk_buff *skb, struct lwtunnel_state *lwtstate,
			int encap_attr, int encap_type_attr);
int lwtunnel_get_encap_size(struct lwtunnel_state *lwtstate);
struct lwtunnel_state *lwtunnel_state_alloc(int hdr_len);
int lwtunnel_cmp_encap(struct lwtunnel_state *a, struct lwtunnel_state *b);
int lwtunnel_output(struct net *net, struct sock *sk, struct sk_buff *skb);
int lwtunnel_input(struct sk_buff *skb);
int lwtunnel_xmit(struct sk_buff *skb);
int bpf_lwt_push_ip_encap(struct sk_buff *skb, void *hdr, u32 len,
			  bool ingress);

static inline void lwtunnel_set_redirect(struct dst_entry *dst)
{
	if (lwtunnel_output_redirect(dst->lwtstate)) {
		dst->lwtstate->orig_output = READ_ONCE(dst->output);
		WRITE_ONCE(dst->output, lwtunnel_output);
	}
	if (lwtunnel_input_redirect(dst->lwtstate)) {
		dst->lwtstate->orig_input = READ_ONCE(dst->input);
		WRITE_ONCE(dst->input, lwtunnel_input);
	}
}
#else

static inline void lwtstate_free(struct lwtunnel_state *lws)
{
}

static inline struct lwtunnel_state *
lwtstate_get(struct lwtunnel_state *lws)
{
	return lws;
}

static inline void lwtstate_put(struct lwtunnel_state *lws)
{
}

static inline bool lwtunnel_output_redirect(struct lwtunnel_state *lwtstate)
{
	return false;
}

static inline bool lwtunnel_input_redirect(struct lwtunnel_state *lwtstate)
{
	return false;
}

static inline bool lwtunnel_xmit_redirect(struct lwtunnel_state *lwtstate)
{
	return false;
}

static inline void lwtunnel_set_redirect(struct dst_entry *dst)
{
}

static inline unsigned int lwtunnel_headroom(struct lwtunnel_state *lwtstate,
					     unsigned int mtu)
{
	return 0;
}

static inline int lwtunnel_encap_add_ops(const struct lwtunnel_encap_ops *op,
					 unsigned int num)
{
	return -EOPNOTSUPP;

}

static inline int lwtunnel_encap_del_ops(const struct lwtunnel_encap_ops *op,
					 unsigned int num)
{
	return -EOPNOTSUPP;
}

static inline int lwtunnel_valid_encap_type(u16 encap_type,
					    struct netlink_ext_ack *extack)
{
	NL_SET_ERR_MSG(extack, "CONFIG_LWTUNNEL is not enabled in this kernel");
	return -EOPNOTSUPP;
}
static inline int lwtunnel_valid_encap_type_attr(struct nlattr *attr, int len,
						 struct netlink_ext_ack *extack)
{
	/* return 0 since we are not walking attr looking for
	 * RTA_ENCAP_TYPE attribute on nexthops.
	 */
	return 0;
}

static inline int lwtunnel_build_state(struct net *net, u16 encap_type,
				       struct nlattr *encap,
				       unsigned int family, const void *cfg,
				       struct lwtunnel_state **lws,
				       struct netlink_ext_ack *extack)
{
	return -EOPNOTSUPP;
}

static inline int lwtunnel_fill_encap(struct sk_buff *skb,
				      struct lwtunnel_state *lwtstate,
				      int encap_attr, int encap_type_attr)
{
	return 0;
}

static inline int lwtunnel_get_encap_size(struct lwtunnel_state *lwtstate)
{
	return 0;
}

static inline struct lwtunnel_state *lwtunnel_state_alloc(int hdr_len)
{
	return NULL;
}

static inline int lwtunnel_cmp_encap(struct lwtunnel_state *a,
				     struct lwtunnel_state *b)
{
	return 0;
}

static inline int lwtunnel_output(struct net *net, struct sock *sk, struct sk_buff *skb)
{
	return -EOPNOTSUPP;
}

static inline int lwtunnel_input(struct sk_buff *skb)
{
	return -EOPNOTSUPP;
}

static inline int lwtunnel_xmit(struct sk_buff *skb)
{
	return -EOPNOTSUPP;
}

#endif /* CONFIG_LWTUNNEL */

#define MODULE_ALIAS_RTNL_LWT(encap_type) MODULE_ALIAS("rtnl-lwt-" __stringify(encap_type))

#endif /* __NET_LWTUNNEL_H */