/* SPDX-License-Identifier: GPL-2.0 */ #ifndef _NET_IPCOMP_H #define _NET_IPCOMP_H #include <linux/types.h> #define IPCOMP_SCRATCH_SIZE 65400 struct crypto_comp; struct ipcomp_data { u16 threshold; struct crypto_comp * __percpu *tfms; }; struct ip_comp_hdr; struct sk_buff; struct xfrm_state; int ipcomp_input(struct xfrm_state *x, struct sk_buff *skb); int ipcomp_output(struct xfrm_state *x, struct sk_buff *skb); void ipcomp_destroy(struct xfrm_state *x); int ipcomp_init_state(struct xfrm_state *x); static inline struct ip_comp_hdr *ip_comp_hdr(const struct sk_buff *skb) { return (struct ip_comp_hdr *)skb_transport_header(skb); } #endif