1 /* 2 * SR-IPv6 implementation 3 * 4 * Authors: 5 * David Lebrun <david.lebrun@uclouvain.be> 6 * eBPF support: Mathieu Xhonneux <m.xhonneux@gmail.com> 7 * 8 * 9 * This program is free software; you can redistribute it and/or 10 * modify it under the terms of the GNU General Public License 11 * as published by the Free Software Foundation; either version 12 * 2 of the License, or (at your option) any later version. 13 */ 14 15 #ifndef _NET_SEG6_LOCAL_H 16 #define _NET_SEG6_LOCAL_H 17 18 #include <linux/percpu.h> 19 #include <linux/net.h> 20 #include <linux/ipv6.h> 21 22 extern int seg6_lookup_nexthop(struct sk_buff *skb, struct in6_addr *nhaddr, 23 u32 tbl_id); 24 extern bool seg6_bpf_has_valid_srh(struct sk_buff *skb); 25 26 struct seg6_bpf_srh_state { 27 struct ipv6_sr_hdr *srh; 28 u16 hdrlen; 29 bool valid; 30 }; 31 32 DECLARE_PER_CPU(struct seg6_bpf_srh_state, seg6_bpf_srh_states); 33 34 #endif 35