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/* 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)
{
struct inet_connection_sock *icsk = inet_csk(sk);
/* RCU is only needed for diag */
return (__force void *)icsk->icsk_ulp_data;
}
#endif