android_kernel_xiaomi_sm7250/include/net/mptcp_v4.h
UtsavBalar1231 98a694aafb net: Port samsung MPTCP modifications from SM-N986B
- MultiPath TCP (MPTCP) is an effort towards enabling the simultaneous use of
  several IP-addresses/interfaces by a modification of TCP that presents a regular
  TCP interface to applications, while in fact spreading data across several
  subflows. Benefits of this include better resource utilization, better throughput
  and smoother reaction to failures.

Change-Id: I50e8cbda93ed133fb6cb937b49b5d23879f92270
Signed-off-by: UtsavBalar1231 <utsavbalar1231@gmail.com>
2022-11-12 11:19:58 +00:00

77 lines
2.3 KiB
C
Executable File

/*
* MPTCP implementation
*
* Initial Design & Implementation:
* Sébastien Barré <sebastien.barre@uclouvain.be>
*
* Current Maintainer & Author:
* Christoph Paasch <christoph.paasch@uclouvain.be>
*
* Additional authors:
* Jaakko Korkeaniemi <jaakko.korkeaniemi@aalto.fi>
* Gregory Detal <gregory.detal@uclouvain.be>
* Fabien Duchêne <fabien.duchene@uclouvain.be>
* Andreas Seelinger <Andreas.Seelinger@rwth-aachen.de>
* Lavkesh Lahngir <lavkesh51@gmail.com>
* Andreas Ripke <ripke@neclab.eu>
* Vlad Dogaru <vlad.dogaru@intel.com>
* Octavian Purdila <octavian.purdila@intel.com>
* John Ronan <jronan@tssg.org>
* Catalin Nicutar <catalin.nicutar@gmail.com>
* Brandon Heller <brandonh@stanford.edu>
*
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public License
* as published by the Free Software Foundation; either version
* 2 of the License, or (at your option) any later version.
*/
#ifndef MPTCP_V4_H_
#define MPTCP_V4_H_
#include <linux/in.h>
#include <linux/skbuff.h>
#include <net/mptcp.h>
#include <net/request_sock.h>
#include <net/sock.h>
extern struct request_sock_ops mptcp_request_sock_ops;
extern const struct inet_connection_sock_af_ops mptcp_v4_specific;
extern struct tcp_request_sock_ops mptcp_request_sock_ipv4_ops;
extern struct tcp_request_sock_ops mptcp_join_request_sock_ipv4_ops;
#ifdef CONFIG_MPTCP
int mptcp_v4_do_rcv(struct sock *meta_sk, struct sk_buff *skb);
struct sock *mptcp_v4_search_req(const __be16 rport, const __be32 raddr,
const __be32 laddr, const struct net *net);
int __mptcp_init4_subsockets(struct sock *meta_sk, const struct mptcp_loc4 *loc,
__be16 sport, struct mptcp_rem4 *rem,
struct sock **subsk);
int mptcp_pm_v4_init(void);
void mptcp_pm_v4_undo(void);
u32 mptcp_v4_get_nonce(__be32 saddr, __be32 daddr, __be16 sport, __be16 dport);
u64 mptcp_v4_get_key(__be32 saddr, __be32 daddr, __be16 sport, __be16 dport,
u32 seed);
static inline int mptcp_init4_subsockets(struct sock *meta_sk,
const struct mptcp_loc4 *loc,
struct mptcp_rem4 *rem)
{
return __mptcp_init4_subsockets(meta_sk, loc, 0, rem, NULL);
}
#else
static inline int mptcp_v4_do_rcv(const struct sock *meta_sk,
const struct sk_buff *skb)
{
return 0;
}
#endif /* CONFIG_MPTCP */
#endif /* MPTCP_V4_H_ */