31 lines
		
	
	
		
			667 B
		
	
	
	
		
			C
		
	
	
	
	
	
			
		
		
	
	
			31 lines
		
	
	
		
			667 B
		
	
	
	
		
			C
		
	
	
	
	
	
| /* SPDX-License-Identifier: GPL-2.0-or-later */
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| /*
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|  *  SR-IPv6 implementation
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|  *
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|  *  Authors:
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|  *  David Lebrun <david.lebrun@uclouvain.be>
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|  *  eBPF support: Mathieu Xhonneux <m.xhonneux@gmail.com>
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|  */
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| 
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| #ifndef _NET_SEG6_LOCAL_H
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| #define _NET_SEG6_LOCAL_H
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| 
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| #include <linux/percpu.h>
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| #include <linux/net.h>
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| #include <linux/ipv6.h>
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| 
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| extern int seg6_lookup_nexthop(struct sk_buff *skb, struct in6_addr *nhaddr,
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| 			       u32 tbl_id);
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| extern bool seg6_bpf_has_valid_srh(struct sk_buff *skb);
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| 
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| struct seg6_bpf_srh_state {
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| 	local_lock_t bh_lock;
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| 	struct ipv6_sr_hdr *srh;
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| 	u16 hdrlen;
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| 	bool valid;
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| };
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| 
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| DECLARE_PER_CPU(struct seg6_bpf_srh_state, seg6_bpf_srh_states);
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| 
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| #endif
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