| | 1 | /* |
| | 2 | * Copyright (c) 2000-2004 Apple Computer, Inc. All rights reserved. |
| | 3 | * |
| | 4 | * @APPLE_LICENSE_OSREFERENCE_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 |
| | 10 | * License may not be used to create, or enable the creation or |
| | 11 | * redistribution of, unlawful or unlicensed copies of an Apple operating |
| | 12 | * system, or to circumvent, violate, or enable the circumvention or |
| | 13 | * violation of, any terms of an Apple operating system software license |
| | 14 | * agreement. |
| | 15 | * |
| | 16 | * Please obtain a copy of the License at |
| | 17 | * http://www.opensource.apple.com/apsl/ and read it before using this |
| | 18 | * file. |
| | 19 | * |
| | 20 | * The Original Code and all software distributed under the License are |
| | 21 | * distributed on an 'AS IS' basis, WITHOUT WARRANTY OF ANY KIND, EITHER |
| | 22 | * EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES, |
| | 23 | * INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY, |
| | 24 | * FITNESS FOR A PARTICULAR PURPOSE, QUIET ENJOYMENT OR NON-INFRINGEMENT. |
| | 25 | * Please see the License for the specific language governing rights and |
| | 26 | * limitations under the License. |
| | 27 | * |
| | 28 | * @APPLE_LICENSE_OSREFERENCE_HEADER_END@ |
| | 29 | */ |
| | 30 | /*! |
| | 31 | @header init.h |
| | 32 | This header defines an API to register a function that will be called when |
| | 33 | the network stack is being initialized. This gives a kernel extensions an |
| | 34 | opportunity to install filters before sockets are created and network |
| | 35 | operations occur. |
| | 36 | */ |
| | 37 | #ifndef _NET_INIT_H_ |
| | 38 | #define _NET_INIT_H_ |
| | 39 | #include <sys/kernel_types.h> |
| | 40 | |
| | 41 | /*! |
| | 42 | @typedef net_init_func_ptr |
| | 43 | @discussion net_init_func_ptr will be called once the networking stack |
| | 44 | initialized and before network operations occur. |
| | 45 | */ |
| | 46 | typedef void (*net_init_func_ptr)(void); |
| | 47 | |
| | 48 | /*! |
| | 49 | @function net_init_add |
| | 50 | @discussion Add a function to be called during network initialization. Your |
| | 51 | kext must not unload until the function you register is called if |
| | 52 | net_init_add returns success. |
| | 53 | @param init_func A pointer to a function to be called when the stack is |
| | 54 | initialized. |
| | 55 | @result EINVAL - the init_func value was NULL. |
| | 56 | EALREADY - the network has already been initialized |
| | 57 | ENOMEM - there was not enough memory to perform this operation |
| | 58 | 0 - success |
| | 59 | */ |
| | 60 | errno_t net_init_add(net_init_func_ptr init_func); |
| | 61 | |
| | 62 | #ifdef BSD_KERNEL_PRIVATE |
| | 63 | /* net_init_run is called from bsd_init */ |
| | 64 | extern void net_init_run(void); |
| | 65 | #endif /* BSD_KERNEL_PRIVATE */ |
| | 66 | |
| | 67 | #endif /* _NET_INIT_H_ */ |
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