/* SPDX-License-Identifier: GPL-2.0 */ #ifndef _NET_IPCOMP_H #define _NET_IPCOMP_H #include struct ip_comp_hdr; struct netlink_ext_ack; 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, struct netlink_ext_ack *extack); static inline struct ip_comp_hdr *ip_comp_hdr(const struct sk_buff *skb) { return (struct ip_comp_hdr *)skb_transport_header(skb); } #endif