linux/include/net/espintcp.h
Eric Dumazet 58169ec9c4 inet: preserve const qualifier in inet_csk()
We can change inet_csk() to propagate its argument const qualifier,
thanks to container_of_const().

We have to fix few places that had mistakes, like tcp_bound_rto().

Signed-off-by: Eric Dumazet <edumazet@google.com>
Link: https://lore.kernel.org/r/20240329144931.295800-1-edumazet@google.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
2024-04-01 21:27:08 -07:00

40 lines
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C

/* 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