[linux-block.git] / include / net / seg6_local.h

/* SPDX-License-Identifier: GPL-2.0-or-later */
/*
 *  SR-IPv6 implementation
 *
 *  Authors:
 *  David Lebrun <david.lebrun@uclouvain.be>
 *  eBPF support: Mathieu Xhonneux <m.xhonneux@gmail.com>
 */

#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
Commit	Line	Data
2874c5fd	1	/* SPDX-License-Identifier: GPL-2.0-or-later */
1c1e761e MX	2	/*
	3	* SR-IPv6 implementation
	4	*
	5	* Authors:
	6	* David Lebrun <david.lebrun@uclouvain.be>
	7	* eBPF support: Mathieu Xhonneux <m.xhonneux@gmail.com>
1c1e761e MX	8	*/
	9
	10	#ifndef _NET_SEG6_LOCAL_H
	11	#define _NET_SEG6_LOCAL_H
	12
fe94cc29	13	#include <linux/percpu.h>
1c1e761e MX	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);
486cdf21	19	extern bool seg6_bpf_has_valid_srh(struct sk_buff *skb);
1c1e761e	20
fe94cc29	21	struct seg6_bpf_srh_state {
486cdf21	22	struct ipv6_sr_hdr *srh;
fe94cc29	23	u16 hdrlen;
486cdf21	24	bool valid;
fe94cc29 MX	25	};
	26
	27	DECLARE_PER_CPU(struct seg6_bpf_srh_state, seg6_bpf_srh_states);
	28
1c1e761e	29	#endif