/* SPDX-License-Identifier: GPL-2.0 */#ifndef _NET_ESPINTCP_H#define _NET_ESPINTCP_H #include <net/strparser.h>#include <linux/skmsg.h> void __init espintcp_init(void); int espintcp_push_skb(struct sock *sk, struct sk_buff *skb);int espintcp_queue_out(struct sock *sk, struct sk_buff *skb);bool tcp_is_ulp_esp(struct sock *sk); struct espintcp_msg {	struct sk_buff *skb;	struct sk_msg skmsg;	int offset;	int len;}; struct espintcp_ctx {	struct strparser strp;	struct sk_buff_head ike_queue;	struct sk_buff_head out_queue;	struct espintcp_msg partial;	void (*saved_data_ready)(struct sock *sk);	void (*saved_write_space)(struct sock *sk);	void (*saved_destruct)(struct sock *sk);	struct work_struct work;	bool tx_running;}; static inline struct espintcp_ctx *espintcp_getctx(const struct sock *sk){	const struct inet_connection_sock *icsk = inet_csk(sk); 	/* RCU is only needed for diag */	return (__force void *)icsk->icsk_ulp_data;}#endif