xref: /xnu-10002.81.5/bsd/netinet/mp_proto.c (revision 5e3eaea39dcf651e66cb99ba7d70e32cc4a99587)
1*5e3eaea3SApple OSS Distributions /*
2*5e3eaea3SApple OSS Distributions  * Copyright (c) 2012-2017 Apple Inc. All rights reserved.
3*5e3eaea3SApple OSS Distributions  *
4*5e3eaea3SApple OSS Distributions  * @APPLE_OSREFERENCE_LICENSE_HEADER_START@
5*5e3eaea3SApple OSS Distributions  *
6*5e3eaea3SApple OSS Distributions  * This file contains Original Code and/or Modifications of Original Code
7*5e3eaea3SApple OSS Distributions  * as defined in and that are subject to the Apple Public Source License
8*5e3eaea3SApple OSS Distributions  * Version 2.0 (the 'License'). You may not use this file except in
9*5e3eaea3SApple OSS Distributions  * compliance with the License. The rights granted to you under the License
10*5e3eaea3SApple OSS Distributions  * may not be used to create, or enable the creation or redistribution of,
11*5e3eaea3SApple OSS Distributions  * unlawful or unlicensed copies of an Apple operating system, or to
12*5e3eaea3SApple OSS Distributions  * circumvent, violate, or enable the circumvention or violation of, any
13*5e3eaea3SApple OSS Distributions  * terms of an Apple operating system software license agreement.
14*5e3eaea3SApple OSS Distributions  *
15*5e3eaea3SApple OSS Distributions  * Please obtain a copy of the License at
16*5e3eaea3SApple OSS Distributions  * http://www.opensource.apple.com/apsl/ and read it before using this file.
17*5e3eaea3SApple OSS Distributions  *
18*5e3eaea3SApple OSS Distributions  * The Original Code and all software distributed under the License are
19*5e3eaea3SApple OSS Distributions  * distributed on an 'AS IS' basis, WITHOUT WARRANTY OF ANY KIND, EITHER
20*5e3eaea3SApple OSS Distributions  * EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES,
21*5e3eaea3SApple OSS Distributions  * INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY,
22*5e3eaea3SApple OSS Distributions  * FITNESS FOR A PARTICULAR PURPOSE, QUIET ENJOYMENT OR NON-INFRINGEMENT.
23*5e3eaea3SApple OSS Distributions  * Please see the License for the specific language governing rights and
24*5e3eaea3SApple OSS Distributions  * limitations under the License.
25*5e3eaea3SApple OSS Distributions  *
26*5e3eaea3SApple OSS Distributions  * @APPLE_OSREFERENCE_LICENSE_HEADER_END@
27*5e3eaea3SApple OSS Distributions  */
28*5e3eaea3SApple OSS Distributions 
29*5e3eaea3SApple OSS Distributions #include <sys/param.h>
30*5e3eaea3SApple OSS Distributions #include <sys/kernel.h>
31*5e3eaea3SApple OSS Distributions #include <sys/socket.h>
32*5e3eaea3SApple OSS Distributions #include <sys/domain.h>
33*5e3eaea3SApple OSS Distributions #include <sys/protosw.h>
34*5e3eaea3SApple OSS Distributions #include <sys/mcache.h>
35*5e3eaea3SApple OSS Distributions 
36*5e3eaea3SApple OSS Distributions #include <kern/locks.h>
37*5e3eaea3SApple OSS Distributions 
38*5e3eaea3SApple OSS Distributions #include <netinet/in.h>
39*5e3eaea3SApple OSS Distributions #include <netinet/mptcp_var.h>
40*5e3eaea3SApple OSS Distributions 
41*5e3eaea3SApple OSS Distributions extern struct domain mpdomain_s;
42*5e3eaea3SApple OSS Distributions 
43*5e3eaea3SApple OSS Distributions static void mp_dinit(struct domain *);
44*5e3eaea3SApple OSS Distributions 
45*5e3eaea3SApple OSS Distributions static struct protosw mpsw = {
46*5e3eaea3SApple OSS Distributions 	.pr_type =              SOCK_STREAM,
47*5e3eaea3SApple OSS Distributions 	.pr_protocol =          IPPROTO_TCP,
48*5e3eaea3SApple OSS Distributions 	.pr_flags =             PR_CONNREQUIRED | PR_MULTICONN | PR_EVCONNINFO |
49*5e3eaea3SApple OSS Distributions     PR_WANTRCVD | PR_PCBLOCK | PR_PROTOLOCK |
50*5e3eaea3SApple OSS Distributions     PR_PRECONN_WRITE | PR_DATA_IDEMPOTENT,
51*5e3eaea3SApple OSS Distributions 	.pr_ctloutput =         mptcp_ctloutput,
52*5e3eaea3SApple OSS Distributions 	.pr_init =              mptcp_init,
53*5e3eaea3SApple OSS Distributions 	.pr_usrreqs =           &mptcp_usrreqs,
54*5e3eaea3SApple OSS Distributions 	.pr_lock =              mptcp_lock,
55*5e3eaea3SApple OSS Distributions 	.pr_unlock =            mptcp_unlock,
56*5e3eaea3SApple OSS Distributions 	.pr_getlock =           mptcp_getlock,
57*5e3eaea3SApple OSS Distributions };
58*5e3eaea3SApple OSS Distributions 
59*5e3eaea3SApple OSS Distributions struct domain mpdomain_s = {
60*5e3eaea3SApple OSS Distributions 	.dom_family =           PF_MULTIPATH,
61*5e3eaea3SApple OSS Distributions 	.dom_flags =            DOM_REENTRANT,
62*5e3eaea3SApple OSS Distributions 	.dom_name =             "multipath",
63*5e3eaea3SApple OSS Distributions 	.dom_init =             mp_dinit,
64*5e3eaea3SApple OSS Distributions };
65*5e3eaea3SApple OSS Distributions 
66*5e3eaea3SApple OSS Distributions /* Initialize the PF_MULTIPATH domain, and add in the pre-defined protos */
67*5e3eaea3SApple OSS Distributions void
mp_dinit(struct domain * dp)68*5e3eaea3SApple OSS Distributions mp_dinit(struct domain *dp)
69*5e3eaea3SApple OSS Distributions {
70*5e3eaea3SApple OSS Distributions 	VERIFY(!(dp->dom_flags & DOM_INITIALIZED));
71*5e3eaea3SApple OSS Distributions 
72*5e3eaea3SApple OSS Distributions 	net_add_proto(&mpsw, dp, 1);
73*5e3eaea3SApple OSS Distributions }
74