| 1 | /* SPDX-License-Identifier: GPL-2.0 */ |
|---|---|
| 2 | #ifndef _NET_ESPINTCP_H |
| 3 | #define _NET_ESPINTCP_H |
| 4 | |
| 5 | #include <net/strparser.h> |
| 6 | #include <linux/skmsg.h> |
| 7 | |
| 8 | void __init espintcp_init(void); |
| 9 | |
| 10 | int espintcp_push_skb(struct sock *sk, struct sk_buff *skb); |
| 11 | int espintcp_queue_out(struct sock *sk, struct sk_buff *skb); |
| 12 | bool tcp_is_ulp_esp(struct sock *sk); |
| 13 | |
| 14 | struct espintcp_msg { |
| 15 | struct sk_buff *skb; |
| 16 | struct sk_msg skmsg; |
| 17 | int offset; |
| 18 | int len; |
| 19 | }; |
| 20 | |
| 21 | struct espintcp_ctx { |
| 22 | struct strparser strp; |
| 23 | struct sk_buff_head ike_queue; |
| 24 | struct sk_buff_head out_queue; |
| 25 | struct espintcp_msg partial; |
| 26 | void (*saved_data_ready)(struct sock *sk); |
| 27 | void (*saved_write_space)(struct sock *sk); |
| 28 | void (*saved_destruct)(struct sock *sk); |
| 29 | struct work_struct work; |
| 30 | bool tx_running; |
| 31 | }; |
| 32 | |
| 33 | static inline struct espintcp_ctx *espintcp_getctx(const struct sock *sk) |
| 34 | { |
| 35 | struct inet_connection_sock *icsk = inet_csk(sk); |
| 36 | |
| 37 | /* RCU is only needed for diag */ |
| 38 | return (__force void *)icsk->icsk_ulp_data; |
| 39 | } |
| 40 | #endif |
| 41 |