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Name	Size	Permission	Date
9p	[ DIR ]	drwxr-xr-x	2026-07-17 06:29
bluetooth	[ DIR ]	drwxr-xr-x	2026-07-17 06:29
caif	[ DIR ]	drwxr-xr-x	2026-07-17 06:29
iucv	[ DIR ]	drwxr-xr-x	2026-07-17 06:29
mana	[ DIR ]	drwxr-xr-x	2026-07-17 06:29
netfilter	[ DIR ]	drwxr-xr-x	2026-07-17 06:29
netns	[ DIR ]	drwxr-xr-x	2026-07-17 06:29
nfc	[ DIR ]	drwxr-xr-x	2026-07-17 06:29
page_pool	[ DIR ]	drwxr-xr-x	2026-07-17 06:29
phonet	[ DIR ]	drwxr-xr-x	2026-07-17 06:29
sctp	[ DIR ]	drwxr-xr-x	2026-07-17 06:29
tc_act	[ DIR ]	drwxr-xr-x	2026-07-17 06:29
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	9.35 KB	-rw-r--r--	2026-07-01 19:48
addrconf.h	14.28 KB	-rw-r--r--	2026-07-01 19:48
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--	2026-07-01 19:48
af_vsock.h	8.41 KB	-rw-r--r--	2026-07-01 19:48
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--	2026-07-01 19:48
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	9.5 KB	-rw-r--r--	2026-07-01 19:48
bond_alb.h	6.1 KB	-rw-r--r--	2024-03-10 20:38
bond_options.h	4.88 KB	-rw-r--r--	2026-07-01 19:48
bonding.h	21.5 KB	-rw-r--r--	2026-07-01 19:48
bpf_sk_storage.h	1.74 KB	-rw-r--r--	2024-03-10 20:38
busy_poll.h	4.28 KB	-rw-r--r--	2026-07-01 19:48
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--	2026-07-01 19:48
cfg802154.h	16.68 KB	-rw-r--r--	2026-07-01 19:48
checksum.h	4.98 KB	-rw-r--r--	2026-07-01 19:48
cipso_ipv4.h	7.37 KB	-rw-r--r--	2024-03-10 20:38
cls_cgroup.h	2.04 KB	-rw-r--r--	2026-07-01 19:48
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--	2026-07-01 19:48
dropreason.h	1.36 KB	-rw-r--r--	2024-03-10 20:38
dsa.h	41.09 KB	-rw-r--r--	2026-07-01 19:48
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--	2026-07-01 19:48
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--	2026-07-01 19:48
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--	2026-07-01 19:48
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--	2026-07-01 19:48
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--	2026-07-01 19:48
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--	2026-07-01 19:48
inet_common.h	2.83 KB	-rw-r--r--	2024-03-10 20:38
inet_connection_sock.h	11.7 KB	-rw-r--r--	2026-07-01 19:48
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--	2026-07-01 19:48
inet_hashtables.h	16.91 KB	-rw-r--r--	2026-07-01 19:48
inet_sock.h	11.36 KB	-rw-r--r--	2026-07-01 19:48
inet_timewait_sock.h	3.71 KB	-rw-r--r--	2026-07-01 19:48
inetpeer.h	3.23 KB	-rw-r--r--	2026-07-01 19:48
ioam6.h	1.24 KB	-rw-r--r--	2026-07-01 19:48
ip.h	23.13 KB	-rw-r--r--	2026-07-01 19:48
ip6_checksum.h	2.3 KB	-rw-r--r--	2024-03-10 20:38
ip6_fib.h	17.6 KB	-rw-r--r--	2026-07-01 19:48
ip6_route.h	10.18 KB	-rw-r--r--	2026-07-01 19:48
ip6_tunnel.h	5.31 KB	-rw-r--r--	2026-07-01 19:48
ip_fib.h	16.13 KB	-rw-r--r--	2026-07-01 19:48
ip_tunnels.h	16.89 KB	-rw-r--r--	2026-07-01 19:48
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	37.62 KB	-rw-r--r--	2026-07-01 19:48
ipv6_frag.h	3.38 KB	-rw-r--r--	2024-03-10 20:38
ipv6_stubs.h	3.75 KB	-rw-r--r--	2026-07-01 19:48
iw_handler.h	20.66 KB	-rw-r--r--	2024-03-10 20:38
kcm.h	4.84 KB	-rw-r--r--	2026-07-01 19:48
l3mdev.h	7.03 KB	-rw-r--r--	2026-07-01 19:48
lag.h	409 B	-rw-r--r--	2024-03-10 20:38
lapb.h	4.82 KB	-rw-r--r--	2026-07-01 19:48
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--	2026-07-01 19:48
mac80211.h	293.31 KB	-rw-r--r--	2026-07-01 19:48
mac802154.h	14.88 KB	-rw-r--r--	2024-03-10 20:38
macsec.h	10.53 KB	-rw-r--r--	2026-07-01 19:48
mctp.h	8.1 KB	-rw-r--r--	2026-07-01 19:48
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--	2026-07-01 19:48
net_debug.h	5.08 KB	-rw-r--r--	2026-07-01 19:48
net_failover.h	1023 B	-rw-r--r--	2024-03-10 20:38
net_namespace.h	14.36 KB	-rw-r--r--	2026-07-01 19:48
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--	2026-07-01 19:48
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	3.61 KB	-rw-r--r--	2026-07-01 19:48
ping.h	2.66 KB	-rw-r--r--	2024-03-10 20:38
pkt_cls.h	25.52 KB	-rw-r--r--	2026-07-01 19:48
pkt_sched.h	7.74 KB	-rw-r--r--	2026-07-01 19:48
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--	2026-07-01 19:48
route.h	11.32 KB	-rw-r--r--	2026-07-01 19:48
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--	2026-07-01 19:48
rtnh.h	859 B	-rw-r--r--	2024-03-10 20:38
sch_generic.h	35.08 KB	-rw-r--r--	2026-07-01 19:48
scm.h	5.36 KB	-rw-r--r--	2026-07-01 19:48
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--	2026-07-01 19:48
snmp.h	5.14 KB	-rw-r--r--	2024-03-10 20:38
sock.h	85.78 KB	-rw-r--r--	2026-07-01 19:48
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--	2026-07-01 19:48
switchdev.h	15.1 KB	-rw-r--r--	2024-03-10 20:38
tc_wrapper.h	6.29 KB	-rw-r--r--	2026-07-01 19:48
tcp.h	85.12 KB	-rw-r--r--	2026-07-01 19:48
tcp_ao.h	12.08 KB	-rw-r--r--	2026-07-01 19:48
tcp_states.h	1.3 KB	-rw-r--r--	2024-03-10 20:38
tcx.h	4.3 KB	-rw-r--r--	2026-07-01 19:48
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--	2026-07-01 19:48
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--	2026-07-01 19:48
udp_tunnel.h	12.49 KB	-rw-r--r--	2026-07-01 19:48
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--	2026-07-01 19:48
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	16.93 KB	-rw-r--r--	2026-07-01 19:48
xdp_priv.h	427 B	-rw-r--r--	2024-03-10 20:38
xdp_sock.h	6.3 KB	-rw-r--r--	2026-07-01 19:48
xdp_sock_drv.h	10.15 KB	-rw-r--r--	2026-07-01 19:48
xfrm.h	58.29 KB	-rw-r--r--	2026-07-01 19:48
xsk_buff_pool.h	7.09 KB	-rw-r--r--	2026-07-01 19:48

Rename

/* SPDX-License-Identifier: GPL-2.0-or-later */
/*
 * CIPSO - Commercial IP Security Option
 *
 * This is an implementation of the CIPSO 2.2 protocol as specified in
 * draft-ietf-cipso-ipsecurity-01.txt with additional tag types as found in
 * FIPS-188, copies of both documents can be found in the Documentation
 * directory.  While CIPSO never became a full IETF RFC standard many vendors
 * have chosen to adopt the protocol and over the years it has become a
 * de-facto standard for labeled networking.
 *
 * Author: Paul Moore <paul@paul-moore.com>
 */

/*
 * (c) Copyright Hewlett-Packard Development Company, L.P., 2006
 */

#ifndef _CIPSO_IPV4_H
#define _CIPSO_IPV4_H

#include <linux/types.h>
#include <linux/rcupdate.h>
#include <linux/list.h>
#include <linux/net.h>
#include <linux/skbuff.h>
#include <net/netlabel.h>
#include <net/request_sock.h>
#include <linux/atomic.h>
#include <linux/refcount.h>
#include <asm/unaligned.h>

/* known doi values */
#define CIPSO_V4_DOI_UNKNOWN          0x00000000

/* standard tag types */
#define CIPSO_V4_TAG_INVALID          0
#define CIPSO_V4_TAG_RBITMAP          1
#define CIPSO_V4_TAG_ENUM             2
#define CIPSO_V4_TAG_RANGE            5
#define CIPSO_V4_TAG_PBITMAP          6
#define CIPSO_V4_TAG_FREEFORM         7

/* non-standard tag types (tags > 127) */
#define CIPSO_V4_TAG_LOCAL            128

/* doi mapping types */
#define CIPSO_V4_MAP_UNKNOWN          0
#define CIPSO_V4_MAP_TRANS            1
#define CIPSO_V4_MAP_PASS             2
#define CIPSO_V4_MAP_LOCAL            3

/* limits */
#define CIPSO_V4_MAX_REM_LVLS         255
#define CIPSO_V4_INV_LVL              0x80000000
#define CIPSO_V4_MAX_LOC_LVLS         (CIPSO_V4_INV_LVL - 1)
#define CIPSO_V4_MAX_REM_CATS         65534
#define CIPSO_V4_INV_CAT              0x80000000
#define CIPSO_V4_MAX_LOC_CATS         (CIPSO_V4_INV_CAT - 1)

/*
 * CIPSO DOI definitions
 */

/* DOI definition struct */
#define CIPSO_V4_TAG_MAXCNT           5
struct cipso_v4_doi {
	u32 doi;
	u32 type;
	union {
		struct cipso_v4_std_map_tbl *std;
	} map;
	u8 tags[CIPSO_V4_TAG_MAXCNT];

refcount_t refcount;
	struct list_head list;
	struct rcu_head rcu;
};

/* Standard CIPSO mapping table */
/* NOTE: the highest order bit (i.e. 0x80000000) is an 'invalid' flag, if the
 *       bit is set then consider that value as unspecified, meaning the
 *       mapping for that particular level/category is invalid */
struct cipso_v4_std_map_tbl {
	struct {
		u32 *cipso;
		u32 *local;
		u32 cipso_size;
		u32 local_size;
	} lvl;
	struct {
		u32 *cipso;
		u32 *local;
		u32 cipso_size;
		u32 local_size;
	} cat;
};

/*
 * Sysctl Variables
 */

#ifdef CONFIG_NETLABEL
extern int cipso_v4_cache_enabled;
extern int cipso_v4_cache_bucketsize;
extern int cipso_v4_rbm_optfmt;
extern int cipso_v4_rbm_strictvalid;
#endif

/*
 * DOI List Functions
 */

#ifdef CONFIG_NETLABEL
int cipso_v4_doi_add(struct cipso_v4_doi *doi_def,
		     struct netlbl_audit *audit_info);
void cipso_v4_doi_free(struct cipso_v4_doi *doi_def);
int cipso_v4_doi_remove(u32 doi, struct netlbl_audit *audit_info);
struct cipso_v4_doi *cipso_v4_doi_getdef(u32 doi);
void cipso_v4_doi_putdef(struct cipso_v4_doi *doi_def);
int cipso_v4_doi_walk(u32 *skip_cnt,
		     int (*callback) (struct cipso_v4_doi *doi_def, void *arg),
	             void *cb_arg);
#else
static inline int cipso_v4_doi_add(struct cipso_v4_doi *doi_def,
				   struct netlbl_audit *audit_info)
{
	return -ENOSYS;
}

static inline void cipso_v4_doi_free(struct cipso_v4_doi *doi_def)
{
	return;
}

static inline int cipso_v4_doi_remove(u32 doi,
				      struct netlbl_audit *audit_info)
{
	return 0;
}

static inline struct cipso_v4_doi *cipso_v4_doi_getdef(u32 doi)
{
	return NULL;
}

static inline int cipso_v4_doi_walk(u32 *skip_cnt,
		     int (*callback) (struct cipso_v4_doi *doi_def, void *arg),
		     void *cb_arg)
{
	return 0;
}
#endif /* CONFIG_NETLABEL */

/*
 * Label Mapping Cache Functions
 */

#ifdef CONFIG_NETLABEL
void cipso_v4_cache_invalidate(void);
int cipso_v4_cache_add(const unsigned char *cipso_ptr,
		       const struct netlbl_lsm_secattr *secattr);
#else
static inline void cipso_v4_cache_invalidate(void)
{
	return;
}

static inline int cipso_v4_cache_add(const unsigned char *cipso_ptr,
				     const struct netlbl_lsm_secattr *secattr)
{
	return 0;
}
#endif /* CONFIG_NETLABEL */

/*
 * Protocol Handling Functions
 */

#ifdef CONFIG_NETLABEL
void cipso_v4_error(struct sk_buff *skb, int error, u32 gateway);
int cipso_v4_getattr(const unsigned char *cipso,
		     struct netlbl_lsm_secattr *secattr);
int cipso_v4_sock_setattr(struct sock *sk,
			  const struct cipso_v4_doi *doi_def,
			  const struct netlbl_lsm_secattr *secattr);
void cipso_v4_sock_delattr(struct sock *sk);
int cipso_v4_sock_getattr(struct sock *sk, struct netlbl_lsm_secattr *secattr);
int cipso_v4_req_setattr(struct request_sock *req,
			 const struct cipso_v4_doi *doi_def,
			 const struct netlbl_lsm_secattr *secattr);
void cipso_v4_req_delattr(struct request_sock *req);
int cipso_v4_skbuff_setattr(struct sk_buff *skb,
			    const struct cipso_v4_doi *doi_def,
			    const struct netlbl_lsm_secattr *secattr);
int cipso_v4_skbuff_delattr(struct sk_buff *skb);
int cipso_v4_skbuff_getattr(const struct sk_buff *skb,
			    struct netlbl_lsm_secattr *secattr);
unsigned char *cipso_v4_optptr(const struct sk_buff *skb);
int cipso_v4_validate(const struct sk_buff *skb, unsigned char **option);
#else
static inline void cipso_v4_error(struct sk_buff *skb,
				  int error,
				  u32 gateway)
{
	return;
}

static inline int cipso_v4_getattr(const unsigned char *cipso,
				   struct netlbl_lsm_secattr *secattr)
{
	return -ENOSYS;
}

static inline int cipso_v4_sock_setattr(struct sock *sk,
				      const struct cipso_v4_doi *doi_def,
				      const struct netlbl_lsm_secattr *secattr)
{
	return -ENOSYS;
}

static inline void cipso_v4_sock_delattr(struct sock *sk)
{
}

static inline int cipso_v4_sock_getattr(struct sock *sk,
					struct netlbl_lsm_secattr *secattr)
{
	return -ENOSYS;
}

static inline int cipso_v4_req_setattr(struct request_sock *req,
				       const struct cipso_v4_doi *doi_def,
				       const struct netlbl_lsm_secattr *secattr)
{
	return -ENOSYS;
}

static inline void cipso_v4_req_delattr(struct request_sock *req)
{
	return;
}

static inline int cipso_v4_skbuff_setattr(struct sk_buff *skb,
				      const struct cipso_v4_doi *doi_def,
				      const struct netlbl_lsm_secattr *secattr)
{
	return -ENOSYS;
}

static inline int cipso_v4_skbuff_delattr(struct sk_buff *skb)
{
	return -ENOSYS;
}

static inline int cipso_v4_skbuff_getattr(const struct sk_buff *skb,
					  struct netlbl_lsm_secattr *secattr)
{
	return -ENOSYS;
}

static inline unsigned char *cipso_v4_optptr(const struct sk_buff *skb)
{
	return NULL;
}

static inline int cipso_v4_validate(const struct sk_buff *skb,
				    unsigned char **option)
{
	unsigned char *opt = *option;
	unsigned char err_offset = 0;
	u8 opt_len = opt[1];
	u8 opt_iter;
	u8 tag_len;

if (opt_len < 8) {
		err_offset = 1;
		goto out;
	}

if (get_unaligned_be32(&opt[2]) == 0) {
		err_offset = 2;
		goto out;
	}

for (opt_iter = 6; opt_iter < opt_len;) {
		if (opt_iter + 1 == opt_len) {
			err_offset = opt_iter;
			goto out;
		}
		tag_len = opt[opt_iter + 1];
		if ((tag_len == 0) || (tag_len > (opt_len - opt_iter))) {
			err_offset = opt_iter + 1;
			goto out;
		}
		opt_iter += tag_len;
	}

out:
	*option = opt + err_offset;
	return err_offset;

}
#endif /* CONFIG_NETLABEL */

#endif /* _CIPSO_IPV4_H */