| Florian Westphal | b3284df | 2019-03-29 21:16:28 +0100 | [diff] [blame] | 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 | |
| 9 | static 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 | |
| 23 | static 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 |