projects / apple / xnu.git / blame
| Commit | Line | Data |
|---|---|---|
| 91447636 A |
1 | /* |
| 2 | * Copyright (c) 2000-2004 Apple Computer, Inc. All rights reserved. | |
| 3 | * | |
| 4 | * @APPLE_LICENSE_HEADER_START@ | |
| 5 | * | |
| 6 | * The contents of this file constitute Original Code as defined in and | |
| 7 | * are subject to the Apple Public Source License Version 1.1 (the | |
| 8 | * "License"). You may not use this file except in compliance with the | |
| 9 | * License. Please obtain a copy of the License at | |
| 10 | * http://www.apple.com/publicsource and read it before using this file. | |
| 11 | * | |
| 12 | * This Original Code and all software distributed under the License are | |
| 13 | * distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY KIND, EITHER | |
| 14 | * EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES, | |
| 15 | * INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY, | |
| 16 | * FITNESS FOR A PARTICULAR PURPOSE OR NON-INFRINGEMENT. Please see the | |
| 17 | * License for the specific language governing rights and limitations | |
| 18 | * under the License. | |
| 19 | * | |
| 20 | * @APPLE_LICENSE_HEADER_END@ | |
| 21 | */ | |
| 22 | /*! | |
| 23 | @header init.h | |
| 24 | This header defines an API to register a function that will be called when | |
| 25 | the network stack is being initialized. This gives a kernel extensions an | |
| 26 | opportunity to install filters before sockets are created and network | |
| 27 | operations occur. | |
| 28 | */ | |
| 29 | #ifndef _NET_INIT_H_ | |
| 30 | #define _NET_INIT_H_ | |
| 31 | #include <sys/kernel_types.h> | |
| 32 | ||
| 33 | /*! | |
| 34 | @typedef net_init_func_ptr | |
| 35 | @discussion net_init_func_ptr will be called once the networking stack | |
| 36 | initialized and before network operations occur. | |
| 37 | */ | |
| 38 | typedef void (*net_init_func_ptr)(void); | |
| 39 | ||
| 40 | /*! | |
| 41 | @function net_init_add | |
| 42 | @discussion Add a function to be called during network initialization. Your | |
| 43 | kext must not unload until the function you register is called if | |
| 44 | net_init_add returns success. | |
| 45 | @param init_func A pointer to a function to be called when the stack is | |
| 46 | initialized. | |
| 47 | @result EINVAL - the init_func value was NULL. | |
| 48 | EALREADY - the network has already been initialized | |
| 49 | ENOMEM - there was not enough memory to perform this operation | |
| 50 | 0 - success | |
| 51 | */ | |
| 52 | errno_t net_init_add(net_init_func_ptr init_func); | |
| 53 | ||
| 54 | #ifdef BSD_KERNEL_PRIVATE | |
| 55 | /* net_init_run is called from bsd_init */ | |
| 56 | extern void net_init_run(void); | |
| 57 | #endif /* BSD_KERNEL_PRIVATE */ | |
| 58 | ||
| 59 | #endif /* _NET_INIT_H_ */ |