xref: /xnu-10002.81.5/bsd/netinet/mptcp_opt.h (revision 5e3eaea39dcf651e66cb99ba7d70e32cc4a99587)
1 /*
2  * Copyright (c) 2012-2017 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
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10  * may not be used to create, or enable the creation or redistribution of,
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14  *
15  * Please obtain a copy of the License at
16  * http://www.opensource.apple.com/apsl/ and read it before using this file.
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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,
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27  */
28 
29 #ifndef _NETINET_MPTCP_OPT_H_
30 #define _NETINET_MPTCP_OPT_H_
31 
32 #ifdef BSD_KERNEL_PRIVATE
33 
34 __BEGIN_DECLS
35 extern void mptcp_data_ack_rcvd(struct mptcb *mp_tp, struct tcpcb *tp, u_int64_t full_dack);
36 extern void mptcp_update_window_wakeup(struct tcpcb *tp);
37 extern void tcp_do_mptcp_options(struct tcpcb *, u_char *, struct tcphdr *,
38     struct tcpopt *, uint8_t);
39 extern unsigned mptcp_setup_syn_opts(struct socket *, u_char*, unsigned);
40 extern unsigned mptcp_setup_join_ack_opts(struct tcpcb *, u_char*, unsigned);
41 extern unsigned int mptcp_setup_opts(struct tcpcb *tp, int32_t off, u_char *opt,
42     unsigned int optlen, int flags, int len,
43     boolean_t *p_mptcp_acknow, boolean_t *do_not_compress);
44 extern void mptcp_update_dss_rcv_state(struct mptcp_dsn_opt *, struct tcpcb *,
45     uint16_t);
46 extern void mptcp_update_rcv_state_meat(struct mptcb *, struct tcpcb *,
47     u_int64_t, u_int32_t, u_int16_t, uint16_t);
48 __END_DECLS
49 
50 #endif /* BSD_KERNEL_PRIVATE */
51 #endif /* !_NETINET_MPTCP_OPT_H_ */
52