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 local_lock_t bh_lock;
23 struct ipv6_sr_hdr *srh;
24 u16 hdrlen;
25 bool valid;
26 };
27
28 DECLARE_PER_CPU(struct seg6_bpf_srh_state, seg6_bpf_srh_states);
29
30 #endif
31
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