projects / apple / xnu.git / blame
| Commit | Line | Data |
|---|---|---|
| 39236c6e A |
1 | /* |
| 2 | * Copyright (c) 2012-2013 Apple Inc. All rights reserved. | |
| 3 | * | |
| 4 | * @APPLE_OSREFERENCE_LICENSE_HEADER_START@ | |
| 5 | * | |
| 6 | * This file contains Original Code and/or Modifications of Original Code | |
| 7 | * as defined in and that are subject to the Apple Public Source License | |
| 8 | * Version 2.0 (the 'License'). You may not use this file except in | |
| 9 | * compliance with the License. The rights granted to you under the License | |
| 10 | * may not be used to create, or enable the creation or redistribution of, | |
| 11 | * unlawful or unlicensed copies of an Apple operating system, or to | |
| 12 | * circumvent, violate, or enable the circumvention or violation of, any | |
| 13 | * terms of an Apple operating system software license agreement. | |
| 14 | * | |
| 15 | * Please obtain a copy of the License at | |
| 16 | * http://www.opensource.apple.com/apsl/ and read it before using this file. | |
| 17 | * | |
| 18 | * The Original Code and all software distributed under the License are | |
| 19 | * distributed on an 'AS IS' basis, WITHOUT WARRANTY OF ANY KIND, EITHER | |
| 20 | * EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES, | |
| 21 | * INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY, | |
| 22 | * FITNESS FOR A PARTICULAR PURPOSE, QUIET ENJOYMENT OR NON-INFRINGEMENT. | |
| 23 | * Please see the License for the specific language governing rights and | |
| 24 | * limitations under the License. | |
| 25 | * | |
| 26 | * @APPLE_OSREFERENCE_LICENSE_HEADER_END@ | |
| 27 | */ | |
| 28 | ||
| 29 | #ifndef _NETINET_MPTCP_OPT_H_ | |
| 30 | #define _NETINET_MPTCP_OPT_H_ | |
| 31 | ||
| 32 | #ifdef BSD_KERNEL_PRIVATE | |
| 33 | ||
| 34 | /* | |
| 35 | * Try setting up an MPTCP connection by making atleast 3 attempts, | |
| 36 | * that is 2 retransmissions - needed for Weak WiFi and long delay cellular. | |
| 37 | * This number must be bumped higher when we are assured that middleboxes | |
| 38 | * are not the reason for retries. Generally, on weak wifi and cold start | |
| 39 | * cellular, more than 2 retries are necessary. | |
| 40 | */ | |
| 41 | #define MPTCP_CAPABLE_RETRIES (2) | |
| 42 | ||
| 43 | __BEGIN_DECLS | |
| 44 | extern int tcp_do_mptcp_options(struct tcpcb *, u_char *, struct tcphdr *, | |
| 45 | struct tcpopt *, int); | |
| 46 | extern unsigned mptcp_setup_syn_opts(struct socket *, int, u_char*, unsigned); | |
| 47 | extern unsigned mptcp_setup_join_ack_opts(struct tcpcb *, u_char*, unsigned); | |
| 48 | extern void mptcp_update_dss_send_state(struct mptcb *, u_int64_t); | |
| 49 | extern void mptcp_send_addaddr_opt(struct tcpcb *, struct mptcp_addaddr_opt *); | |
| 50 | extern void mptcp_send_remaddr_opt(struct tcpcb *, struct mptcp_remaddr_opt *); | |
| 51 | extern unsigned int mptcp_setup_opts(struct tcpcb *, int, u_char *, | |
| 52 | unsigned int, int, int, unsigned int **, u_int8_t **, u_int64_t *, | |
| 53 | u_int32_t **); | |
| 54 | extern void mptcp_update_dss_rcv_state(struct mptcp_dsn_opt *, struct tcpcb *, | |
| 55 | uint16_t); | |
| 56 | extern void mptcp_update_rcv_state_f(struct mptcp_dss_ack_opt *, | |
| 57 | struct tcpcb *, uint16_t); | |
| 58 | extern void mptcp_update_rcv_state_g(struct mptcp_dss64_ack32_opt *, | |
| 59 | struct tcpcb *, uint16_t); | |
| 60 | extern void mptcp_update_rcv_state_meat(struct mptcb *, struct tcpcb *, | |
| 61 | u_int64_t, u_int32_t, u_int16_t, uint16_t); | |
| 62 | extern void mptcp_data_ack_rcvd(struct mptcb *, struct tcpcb *, u_int64_t); | |
| 63 | __END_DECLS | |
| 64 | ||
| 65 | #endif /* BSD_KERNEL_PRIVATE */ | |
| 66 | #endif /* !_NETINET_MPTCP_OPT_H_ */ |