1 /* SPDX-License-Identifier: GPL-2.0-or-later */
2 /*
3  *  SR-IPv6 implementation
4  *
5  *  Authors:
6  *  David Lebrun <david.lebrun@uclouvain.be>
7  *  eBPF support: Mathieu Xhonneux <m.xhonneux@gmail.com>
8  */
9 
10 #ifndef _NET_SEG6_LOCAL_H
11 #define _NET_SEG6_LOCAL_H
12 
13 #include <linux/percpu.h>
14 #include <linux/net.h>
15 #include <linux/ipv6.h>
16 
17 extern int seg6_lookup_nexthop(struct sk_buff *skb, struct in6_addr *nhaddr,
18 			       u32 tbl_id);
19 extern bool seg6_bpf_has_valid_srh(struct sk_buff *skb);
20 
21 struct seg6_bpf_srh_state {
22 	struct ipv6_sr_hdr *srh;
23 	u16 hdrlen;
24 	bool valid;
25 };
26 
27 DECLARE_PER_CPU(struct seg6_bpf_srh_state, seg6_bpf_srh_states);
28 
29 #endif
30