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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seg6_hmac.h (1473B)


      1/* SPDX-License-Identifier: GPL-2.0-or-later */
      2/*
      3 *  SR-IPv6 implementation
      4 *
      5 *  Author:
      6 *  David Lebrun <david.lebrun@uclouvain.be>
      7 */
      8
      9#ifndef _NET_SEG6_HMAC_H
     10#define _NET_SEG6_HMAC_H
     11
     12#include <net/flow.h>
     13#include <net/ip6_fib.h>
     14#include <net/sock.h>
     15#include <linux/ip.h>
     16#include <linux/ipv6.h>
     17#include <linux/route.h>
     18#include <net/seg6.h>
     19#include <linux/seg6_hmac.h>
     20#include <linux/rhashtable-types.h>
     21
     22#define SEG6_HMAC_MAX_DIGESTSIZE	160
     23#define SEG6_HMAC_RING_SIZE		256
     24
     25struct seg6_hmac_info {
     26	struct rhash_head node;
     27	struct rcu_head rcu;
     28
     29	u32 hmackeyid;
     30	char secret[SEG6_HMAC_SECRET_LEN];
     31	u8 slen;
     32	u8 alg_id;
     33};
     34
     35struct seg6_hmac_algo {
     36	u8 alg_id;
     37	char name[64];
     38	struct crypto_shash * __percpu *tfms;
     39	struct shash_desc * __percpu *shashs;
     40};
     41
     42extern int seg6_hmac_compute(struct seg6_hmac_info *hinfo,
     43			     struct ipv6_sr_hdr *hdr, struct in6_addr *saddr,
     44			     u8 *output);
     45extern struct seg6_hmac_info *seg6_hmac_info_lookup(struct net *net, u32 key);
     46extern int seg6_hmac_info_add(struct net *net, u32 key,
     47			      struct seg6_hmac_info *hinfo);
     48extern int seg6_hmac_info_del(struct net *net, u32 key);
     49extern int seg6_push_hmac(struct net *net, struct in6_addr *saddr,
     50			  struct ipv6_sr_hdr *srh);
     51extern bool seg6_hmac_validate_skb(struct sk_buff *skb);
     52extern int seg6_hmac_init(void);
     53extern void seg6_hmac_exit(void);
     54extern int seg6_hmac_net_init(struct net *net);
     55extern void seg6_hmac_net_exit(struct net *net);
     56
     57#endif