projects / apple / xnu.git / blame
| Commit | Line | Data |
|---|---|---|
| 39236c6e A |
1 | /* |
| 2 | * Copyright (c) 2012 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 | #if MPTCP | |
| 40 | #include <netinet/mptcp_var.h> | |
| 41 | #endif /* MPTCP */ | |
| 42 | ||
| 43 | extern struct domain mpdomain_s; | |
| 44 | static struct domain *mpdomain = NULL; | |
| 45 | ||
| 46 | static void mp_dinit(struct domain *); | |
| 47 | lck_mtx_t *mp_domain_mutex; | |
| 48 | ||
| 49 | static struct protosw mpsw[] = { | |
| 50 | #if MPTCP | |
| 51 | { | |
| 52 | .pr_type = SOCK_STREAM, | |
| 53 | .pr_protocol = IPPROTO_TCP, | |
| 54 | .pr_flags = PR_CONNREQUIRED|PR_MULTICONN|PR_EVCONNINFO| | |
| 55 | PR_WANTRCVD|PR_PCBLOCK|PR_PROTOLOCK, | |
| 56 | .pr_ctloutput = mptcp_ctloutput, | |
| 57 | .pr_init = mptcp_init, | |
| 58 | .pr_usrreqs = &mptcp_usrreqs, | |
| 59 | .pr_lock = mptcp_lock, | |
| 60 | .pr_unlock = mptcp_unlock, | |
| 61 | .pr_getlock = mptcp_getlock, | |
| 62 | }, | |
| 63 | #endif /* MPTCP */ | |
| 64 | }; | |
| 65 | ||
| 66 | static int mp_proto_count = (sizeof (mpsw) / sizeof (struct protosw)); | |
| 67 | ||
| 68 | struct domain mpdomain_s = { | |
| 69 | .dom_family = PF_MULTIPATH, | |
| 70 | .dom_flags = DOM_REENTRANT, | |
| 71 | .dom_name = "multipath", | |
| 72 | .dom_init = mp_dinit, | |
| 73 | }; | |
| 74 | ||
| 75 | /* Initialize the PF_MULTIPATH domain, and add in the pre-defined protos */ | |
| 76 | void | |
| 77 | mp_dinit(struct domain *dp) | |
| 78 | { | |
| 79 | struct protosw *pr; | |
| 80 | int i; | |
| 81 | ||
| 82 | VERIFY(!(dp->dom_flags & DOM_INITIALIZED)); | |
| 83 | VERIFY(mpdomain == NULL); | |
| 84 | ||
| 85 | mpdomain = dp; | |
| 86 | ||
| 87 | for (i = 0, pr = &mpsw[0]; i < mp_proto_count; i++, pr++) | |
| 88 | net_add_proto(pr, dp, 1); | |
| 89 | ||
| 90 | mp_domain_mutex = dp->dom_mtx; | |
| 91 | } |