58 lines
1.4 KiB
C
58 lines
1.4 KiB
C
|
/* SPDX-License-Identifier: GPL-2.0-or-later */
|
||
|
|
/*
|
||
|
|
* SR-IPv6 implementation
|
||
|
|
*
|
||
|
|
* Author:
|
||
|
|
* David Lebrun <david.lebrun@uclouvain.be>
|
||
|
|
*/
|
||
|
|
|
||
|
|
#ifndef _NET_SEG6_HMAC_H
|
||
|
|
#define _NET_SEG6_HMAC_H
|
||
|
|
|
||
|
|
#include <net/flow.h>
|
||
|
|
#include <net/ip6_fib.h>
|
||
|
|
#include <net/sock.h>
|
||
|
|
#include <linux/ip.h>
|
||
|
|
#include <linux/ipv6.h>
|
||
|
|
#include <linux/route.h>
|
||
|
|
#include <net/seg6.h>
|
||
|
|
#include <linux/seg6_hmac.h>
|
||
|
|
#include <linux/rhashtable-types.h>
|
||
|
|
|
||
|
|
#define SEG6_HMAC_MAX_DIGESTSIZE 160
|
||
|
|
#define SEG6_HMAC_RING_SIZE 256
|
||
|
|
|
||
|
|
struct seg6_hmac_info {
|
||
|
|
struct rhash_head node;
|
||
|
|
struct rcu_head rcu;
|
||
|
|
|
||
|
|
u32 hmackeyid;
|
||
|
|
char secret[SEG6_HMAC_SECRET_LEN];
|
||
|
|
u8 slen;
|
||
|
|
u8 alg_id;
|
||
|
|
};
|
||
|
|
|
||
|
|
struct seg6_hmac_algo {
|
||
|
|
u8 alg_id;
|
||
|
|
char name[64];
|
||
|
|
struct crypto_shash * __percpu *tfms;
|
||
|
|
struct shash_desc * __percpu *shashs;
|
||
|
|
};
|
||
|
|
|
||
|
|
extern int seg6_hmac_compute(struct seg6_hmac_info *hinfo,
|
||
|
|
struct ipv6_sr_hdr *hdr, struct in6_addr *saddr,
|
||
|
|
u8 *output);
|
||
|
|
extern struct seg6_hmac_info *seg6_hmac_info_lookup(struct net *net, u32 key);
|
||
|
|
extern int seg6_hmac_info_add(struct net *net, u32 key,
|
||
|
|
struct seg6_hmac_info *hinfo);
|
||
|
|
extern int seg6_hmac_info_del(struct net *net, u32 key);
|
||
|
|
extern int seg6_push_hmac(struct net *net, struct in6_addr *saddr,
|
||
|
|
struct ipv6_sr_hdr *srh);
|
||
|
|
extern bool seg6_hmac_validate_skb(struct sk_buff *skb);
|
||
|
|
extern int seg6_hmac_init(void);
|
||
|
|
extern void seg6_hmac_exit(void);
|
||
|
|
extern int seg6_hmac_net_init(struct net *net);
|
||
|
|
extern void seg6_hmac_net_exit(struct net *net);
|
||
|
|
|
||
|
|
#endif
|