cachepc-linux

Fork of AMDESE/linux with modifications for CachePC side-channel attack
git clone https://git.sinitax.com/sinitax/cachepc-linux
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calipso.h (1590B)

      1/* SPDX-License-Identifier: GPL-2.0-or-later */
      2/*
      3 * CALIPSO - Common Architecture Label IPv6 Security Option
      4 *
      5 * This is an implementation of the CALIPSO protocol as specified in
      6 * RFC 5570.
      7 *
      8 * Authors: Paul Moore <paul@paul-moore.com>
      9 *          Huw Davies <huw@codeweavers.com>
     10 */
     11
     12/*
     13 * (c) Copyright Hewlett-Packard Development Company, L.P., 2006
     14 * (c) Copyright Huw Davies <huw@codeweavers.com>, 2015
     15 */
     16
     17#ifndef _CALIPSO_H
     18#define _CALIPSO_H
     19
     20#include <linux/types.h>
     21#include <linux/rcupdate.h>
     22#include <linux/list.h>
     23#include <linux/net.h>
     24#include <linux/skbuff.h>
     25#include <net/netlabel.h>
     26#include <net/request_sock.h>
     27#include <linux/refcount.h>
     28#include <asm/unaligned.h>
     29
     30/* known doi values */
     31#define CALIPSO_DOI_UNKNOWN          0x00000000
     32
     33/* doi mapping types */
     34#define CALIPSO_MAP_UNKNOWN          0
     35#define CALIPSO_MAP_PASS             2
     36
     37/*
     38 * CALIPSO DOI definitions
     39 */
     40
     41/* DOI definition struct */
     42struct calipso_doi {
     43	u32 doi;
     44	u32 type;
     45
     46	refcount_t refcount;
     47	struct list_head list;
     48	struct rcu_head rcu;
     49};
     50
     51/*
     52 * Sysctl Variables
     53 */
     54extern int calipso_cache_enabled;
     55extern int calipso_cache_bucketsize;
     56
     57#ifdef CONFIG_NETLABEL
     58int __init calipso_init(void);
     59void calipso_exit(void);
     60bool calipso_validate(const struct sk_buff *skb, const unsigned char *option);
     61#else
     62static inline int __init calipso_init(void)
     63{
     64	return 0;
     65}
     66
     67static inline void calipso_exit(void)
     68{
     69}
     70static inline bool calipso_validate(const struct sk_buff *skb,
     71				    const unsigned char *option)
     72{
     73	return true;
     74}
     75#endif /* CONFIG_NETLABEL */
     76
     77#endif /* _CALIPSO_H */