1/* SPDX-License-Identifier: GPL-2.0 */
 2#include <linux/ipv6.h>
 3#include <net/dsfield.h>
 4#include <net/xfrm.h>
 5
 6#ifndef XFRM_INOUT_H
 7#define XFRM_INOUT_H 1
 8
 9static inline void xfrm6_beet_make_header(struct sk_buff *skb)
10{
11	struct ipv6hdr *iph = ipv6_hdr(skb);
12
13	iph->version = 6;
14
15	memcpy(iph->flow_lbl, XFRM_MODE_SKB_CB(skb)->flow_lbl,
16	       sizeof(iph->flow_lbl));
17	iph->nexthdr = XFRM_MODE_SKB_CB(skb)->protocol;
18
19	ipv6_change_dsfield(iph, 0, XFRM_MODE_SKB_CB(skb)->tos);
20	iph->hop_limit = XFRM_MODE_SKB_CB(skb)->ttl;
21}
22
23static inline void xfrm4_beet_make_header(struct sk_buff *skb)
24{
25	struct iphdr *iph = ip_hdr(skb);
26
27	iph->ihl = 5;
28	iph->version = 4;
29
30	iph->protocol = XFRM_MODE_SKB_CB(skb)->protocol;
31	iph->tos = XFRM_MODE_SKB_CB(skb)->tos;
32
33	iph->id = XFRM_MODE_SKB_CB(skb)->id;
34	iph->frag_off = XFRM_MODE_SKB_CB(skb)->frag_off;
35	iph->ttl = XFRM_MODE_SKB_CB(skb)->ttl;
36}
37
38#endif