]>
git.proxmox.com Git - mirror_ubuntu-eoan-kernel.git/blob - include/net/seg6.h
2 * SR-IPv6 implementation
5 * David Lebrun <david.lebrun@uclouvain.be>
8 * This program is free software; you can redistribute it and/or
9 * modify it under the terms of the GNU General Public License
10 * as published by the Free Software Foundation; either version
11 * 2 of the License, or (at your option) any later version.
17 #include <linux/net.h>
18 #include <linux/ipv6.h>
19 #include <linux/seg6.h>
20 #include <linux/rhashtable-types.h>
22 static inline void update_csum_diff4(struct sk_buff
*skb
, __be32 from
,
25 __be32 diff
[] = { ~from
, to
};
27 skb
->csum
= ~csum_partial((char *)diff
, sizeof(diff
), ~skb
->csum
);
30 static inline void update_csum_diff16(struct sk_buff
*skb
, __be32
*from
,
34 ~from
[0], ~from
[1], ~from
[2], ~from
[3],
35 to
[0], to
[1], to
[2], to
[3],
38 skb
->csum
= ~csum_partial((char *)diff
, sizeof(diff
), ~skb
->csum
);
41 struct seg6_pernet_data
{
43 struct in6_addr __rcu
*tun_src
;
44 #ifdef CONFIG_IPV6_SEG6_HMAC
45 struct rhashtable hmac_infos
;
49 static inline struct seg6_pernet_data
*seg6_pernet(struct net
*net
)
51 #if IS_ENABLED(CONFIG_IPV6)
52 return net
->ipv6
.seg6_data
;
58 extern int seg6_init(void);
59 extern void seg6_exit(void);
60 extern int seg6_iptunnel_init(void);
61 extern void seg6_iptunnel_exit(void);
62 extern int seg6_local_init(void);
63 extern void seg6_local_exit(void);
65 extern bool seg6_validate_srh(struct ipv6_sr_hdr
*srh
, int len
);
66 extern int seg6_do_srh_encap(struct sk_buff
*skb
, struct ipv6_sr_hdr
*osrh
,
68 extern int seg6_do_srh_inline(struct sk_buff
*skb
, struct ipv6_sr_hdr
*osrh
);
69 extern int seg6_lookup_nexthop(struct sk_buff
*skb
, struct in6_addr
*nhaddr
,