1b2441318SGreg Kroah-Hartman /* SPDX-License-Identifier: GPL-2.0 */ 21da177e4SLinus Torvalds #ifndef _NET_IPCOMP_H 31da177e4SLinus Torvalds #define _NET_IPCOMP_H 41da177e4SLinus Torvalds 5949d6b40SJakub Kicinski #include <linux/skbuff.h> 69409f38aSHerbert Xu #include <linux/types.h> 79409f38aSHerbert Xu 81da177e4SLinus Torvalds #define IPCOMP_SCRATCH_SIZE 65400 91da177e4SLinus Torvalds 1087bdc48dSHerbert Xu struct crypto_comp; 11949d6b40SJakub Kicinski struct ip_comp_hdr; 1287bdc48dSHerbert Xu 131da177e4SLinus Torvalds struct ipcomp_data { 141da177e4SLinus Torvalds u16 threshold; 157d720c3eSTejun Heo struct crypto_comp * __percpu *tfms; 161da177e4SLinus Torvalds }; 171da177e4SLinus Torvalds 1887bdc48dSHerbert Xu struct ip_comp_hdr; 1987bdc48dSHerbert Xu struct sk_buff; 206fccab67SHerbert Xu struct xfrm_state; 216fccab67SHerbert Xu 226fccab67SHerbert Xu int ipcomp_input(struct xfrm_state *x, struct sk_buff *skb); 236fccab67SHerbert Xu int ipcomp_output(struct xfrm_state *x, struct sk_buff *skb); 246fccab67SHerbert Xu void ipcomp_destroy(struct xfrm_state *x); 25*6ee55320SSabrina Dubroca int ipcomp_init_state(struct xfrm_state *x, struct netlink_ext_ack *extack); 2687bdc48dSHerbert Xu ip_comp_hdr(const struct sk_buff * skb)2787bdc48dSHerbert Xustatic inline struct ip_comp_hdr *ip_comp_hdr(const struct sk_buff *skb) 2887bdc48dSHerbert Xu { 2987bdc48dSHerbert Xu return (struct ip_comp_hdr *)skb_transport_header(skb); 3087bdc48dSHerbert Xu } 3187bdc48dSHerbert Xu 321da177e4SLinus Torvalds #endif 33