| 1 | /* SPDX-License-Identifier: GPL-2.0 */ |
|---|---|
| 2 | #ifndef _NET_IPCOMP_H |
| 3 | #define _NET_IPCOMP_H |
| 4 | |
| 5 | #include <linux/skbuff.h> |
| 6 | #include <linux/types.h> |
| 7 | |
| 8 | #define IPCOMP_SCRATCH_SIZE 65400 |
| 9 | |
| 10 | struct crypto_comp; |
| 11 | struct ip_comp_hdr; |
| 12 | |
| 13 | struct ipcomp_data { |
| 14 | u16 threshold; |
| 15 | struct crypto_comp * __percpu *tfms; |
| 16 | }; |
| 17 | |
| 18 | struct ip_comp_hdr; |
| 19 | struct sk_buff; |
| 20 | struct xfrm_state; |
| 21 | |
| 22 | int ipcomp_input(struct xfrm_state *x, struct sk_buff *skb); |
| 23 | int ipcomp_output(struct xfrm_state *x, struct sk_buff *skb); |
| 24 | void ipcomp_destroy(struct xfrm_state *x); |
| 25 | int ipcomp_init_state(struct xfrm_state *x, struct netlink_ext_ack *extack); |
| 26 | |
| 27 | static inline struct ip_comp_hdr *ip_comp_hdr(const struct sk_buff *skb) |
| 28 | { |
| 29 | return (struct ip_comp_hdr *)skb_transport_header(skb); |
| 30 | } |
| 31 | |
| 32 | #endif |
| 33 |