include/net/seg6_local.h


1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34

/*
 *  SR-IPv6 implementation
 *
 *  Authors:
 *  David Lebrun <david.lebrun@uclouvain.be>
 *  eBPF support: Mathieu Xhonneux <m.xhonneux@gmail.com>
 *
 *
 *  This program is free software; you can redistribute it and/or
 *      modify it under the terms of the GNU General Public License
 *      as published by the Free Software Foundation; either version
 *      2 of the License, or (at your option) any later version.
 */

#ifndef _NET_SEG6_LOCAL_H
#define _NET_SEG6_LOCAL_H

#include <linux/percpu.h>
#include <linux/net.h>
#include <linux/ipv6.h>

extern int seg6_lookup_nexthop(struct sk_buff *skb, struct in6_addr *nhaddr,
			       u32 tbl_id);
extern bool seg6_bpf_has_valid_srh(struct sk_buff *skb);

struct seg6_bpf_srh_state {
	struct ipv6_sr_hdr *srh;
	u16 hdrlen;
	bool valid;
};

DECLARE_PER_CPU(struct seg6_bpf_srh_state, seg6_bpf_srh_states);

#endif