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 |
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 | #include <sys/param.h> |
30 | #include <sys/kernel.h> |
31 | #include <sys/socket.h> |
32 | #include <sys/domain.h> |
33 | #include <sys/protosw.h> |
34 | #include <sys/mcache.h> |
35 | |
36 | #include <kern/locks.h> |
37 | |
38 | #include <netinet/in.h> |
39 | #include <netinet/mptcp_var.h> |
40 | |
41 | extern struct domain mpdomain_s; |
42 | |
43 | static void mp_dinit(struct domain *); |
44 | |
45 | static struct protosw mpsw = { |
46 | .pr_type = SOCK_STREAM, |
47 | .pr_protocol = IPPROTO_TCP, |
48 | .pr_flags = PR_CONNREQUIRED | PR_MULTICONN | PR_EVCONNINFO | |
49 | PR_WANTRCVD | PR_PCBLOCK | PR_PROTOLOCK | |
50 | PR_PRECONN_WRITE | PR_DATA_IDEMPOTENT, |
51 | .pr_ctloutput = mptcp_ctloutput, |
52 | .pr_init = mptcp_init, |
53 | .pr_usrreqs = &mptcp_usrreqs, |
54 | .pr_lock = mptcp_lock, |
55 | .pr_unlock = mptcp_unlock, |
56 | .pr_getlock = mptcp_getlock, |
57 | }; |
58 | |
59 | struct domain mpdomain_s = { |
60 | .dom_family = PF_MULTIPATH, |
61 | .dom_flags = DOM_REENTRANT, |
62 | .dom_name = "multipath" , |
63 | .dom_init = mp_dinit, |
64 | }; |
65 | |
66 | /* Initialize the PF_MULTIPATH domain, and add in the pre-defined protos */ |
67 | void |
68 | mp_dinit(struct domain *dp) |
69 | { |
70 | VERIFY(!(dp->dom_flags & DOM_INITIALIZED)); |
71 | |
72 | net_add_proto(&mpsw, dp, 1); |
73 | } |
74 | |