path: root/net/mptcp/sockopt.c

// SPDX-License-Identifier: GPL-2.0
/* Multipath TCP
 *
 * Copyright (c) 2021, Red Hat.
 */

#define pr_fmt(fmt) "MPTCP: " fmt

#include <linux/kernel.h>
#include <linux/module.h>
#include <net/sock.h>
#include <net/protocol.h>
#include <net/tcp.h>
#include <net/mptcp.h>
#include "protocol.h"

#define MIN_INFO_OPTLEN_SIZE		16
#define MIN_FULL_INFO_OPTLEN_SIZE	40

static struct sock *__mptcp_tcp_fallback(struct mptcp_sock