| | 1 | /* |
| | 2 | * Copyright (c) 2000-2018 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 | /* $KAME: if_gif.h,v 1.7 2000/02/22 14:01:46 itojun Exp $ */ |
| | 29 | |
| | 30 | /* |
| | 31 | * Copyright (C) 1995, 1996, 1997, and 1998 WIDE Project. |
| | 32 | * All rights reserved. |
| | 33 | * |
| | 34 | * Redistribution and use in source and binary forms, with or without |
| | 35 | * modification, are permitted provided that the following conditions |
| | 36 | * are met: |
| | 37 | * 1. Redistributions of source code must retain the above copyright |
| | 38 | * notice, this list of conditions and the following disclaimer. |
| | 39 | * 2. Redistributions in binary form must reproduce the above copyright |
| | 40 | * notice, this list of conditions and the following disclaimer in the |
| | 41 | * documentation and/or other materials provided with the distribution. |
| | 42 | * 3. Neither the name of the project nor the names of its contributors |
| | 43 | * may be used to endorse or promote products derived from this software |
| | 44 | * without specific prior written permission. |
| | 45 | * |
| | 46 | * THIS SOFTWARE IS PROVIDED BY THE PROJECT AND CONTRIBUTORS ``AS IS'' AND |
| | 47 | * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE |
| | 48 | * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE |
| | 49 | * ARE DISCLAIMED. IN NO EVENT SHALL THE PROJECT OR CONTRIBUTORS BE LIABLE |
| | 50 | * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL |
| | 51 | * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS |
| | 52 | * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) |
| | 53 | * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT |
| | 54 | * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY |
| | 55 | * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF |
| | 56 | * SUCH DAMAGE. |
| | 57 | */ |
| | 58 | |
| | 59 | /* |
| | 60 | * if_gif.h |
| | 61 | */ |
| | 62 | |
| | 63 | #ifndef _NET_IF_GIF_H_ |
| | 64 | #define _NET_IF_GIF_H_ |
| | 65 | #include <sys/appleapiopts.h> |
| | 66 | |
| | 67 | #include <netinet/in.h> |
| | 68 | /* xxx sigh, why route have struct route instead of pointer? */ |
| | 69 | |
| | 70 | #ifdef BSD_KERNEL_PRIVATE |
| | 71 | |
| | 72 | extern void gif_init(void); |
| | 73 | |
| | 74 | struct encaptab; |
| | 75 | |
| | 76 | struct gif_softc { |
| | 77 | ifnet_t gif_if; /* pointer back to the interface */ |
| | 78 | struct sockaddr *gif_psrc; /* Physical src addr */ |
| | 79 | struct sockaddr *gif_pdst; /* Physical dst addr */ |
| | 80 | #ifdef __APPLE__ |
| | 81 | protocol_family_t gif_proto; /* dlil protocol attached */ |
| | 82 | #endif |
| | 83 | union { |
| | 84 | struct route gifscr_ro; /* xxx */ |
| | 85 | struct route_in6 gifscr_ro6; /* xxx */ |
| | 86 | } gifsc_gifscr; |
| | 87 | int gif_flags; |
| | 88 | #define IFGIF_DETACHING 0x1 |
| | 89 | int gif_called; |
| | 90 | const struct encaptab *encap_cookie4; |
| | 91 | const struct encaptab *encap_cookie6; |
| | 92 | TAILQ_ENTRY(gif_softc) gif_link; /* all gif's are linked */ |
| | 93 | bpf_tap_mode tap_mode; |
| | 94 | bpf_packet_func tap_callback; |
| | 95 | char gif_ifname[IFNAMSIZ]; |
| | 96 | decl_lck_mtx_data(, gif_lock); /* lock for gif softc structure */ |
| | 97 | }; |
| | 98 | |
| | 99 | #define GIF_LOCK(_sc) lck_mtx_lock(&(_sc)->gif_lock) |
| | 100 | #define GIF_UNLOCK(_sc) lck_mtx_unlock(&(_sc)->gif_lock) |
| | 101 | #define GIF_LOCK_ASSERT(_sc) LCK_MTX_ASSERT(&(_sc)->gif_lock, \ |
| | 102 | LCK_MTX_ASSERT_OWNED) |
| | 103 | |
| | 104 | #define gif_ro gifsc_gifscr.gifscr_ro |
| | 105 | #define gif_ro6 gifsc_gifscr.gifscr_ro6 |
| | 106 | |
| | 107 | #endif /* BSD_KERNEL_PRIVATE */ |
| | 108 | |
| | 109 | #define GIF_MTU (1280) /* Default MTU */ |
| | 110 | #define GIF_MTU_MIN (1280) /* Minimum MTU */ |
| | 111 | #define GIF_MTU_MAX (8192) /* Maximum MTU */ |
| | 112 | |
| | 113 | #endif /* _NET_IF_GIF_H_ */ |
projects / apple / xnu.git / blame_incremental