1*42e22086SApple OSS Distributions /* 2*42e22086SApple OSS Distributions * Copyright (c) 2000-2004 Apple Computer, Inc. All rights reserved. 3*42e22086SApple OSS Distributions * 4*42e22086SApple OSS Distributions * @APPLE_OSREFERENCE_LICENSE_HEADER_START@ 5*42e22086SApple OSS Distributions * 6*42e22086SApple OSS Distributions * This file contains Original Code and/or Modifications of Original Code 7*42e22086SApple OSS Distributions * as defined in and that are subject to the Apple Public Source License 8*42e22086SApple OSS Distributions * Version 2.0 (the 'License'). You may not use this file except in 9*42e22086SApple OSS Distributions * compliance with the License. The rights granted to you under the License 10*42e22086SApple OSS Distributions * may not be used to create, or enable the creation or redistribution of, 11*42e22086SApple OSS Distributions * unlawful or unlicensed copies of an Apple operating system, or to 12*42e22086SApple OSS Distributions * circumvent, violate, or enable the circumvention or violation of, any 13*42e22086SApple OSS Distributions * terms of an Apple operating system software license agreement. 14*42e22086SApple OSS Distributions * 15*42e22086SApple OSS Distributions * Please obtain a copy of the License at 16*42e22086SApple OSS Distributions * http://www.opensource.apple.com/apsl/ and read it before using this file. 17*42e22086SApple OSS Distributions * 18*42e22086SApple OSS Distributions * The Original Code and all software distributed under the License are 19*42e22086SApple OSS Distributions * distributed on an 'AS IS' basis, WITHOUT WARRANTY OF ANY KIND, EITHER 20*42e22086SApple OSS Distributions * EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES, 21*42e22086SApple OSS Distributions * INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY, 22*42e22086SApple OSS Distributions * FITNESS FOR A PARTICULAR PURPOSE, QUIET ENJOYMENT OR NON-INFRINGEMENT. 23*42e22086SApple OSS Distributions * Please see the License for the specific language governing rights and 24*42e22086SApple OSS Distributions * limitations under the License. 25*42e22086SApple OSS Distributions * 26*42e22086SApple OSS Distributions * @APPLE_OSREFERENCE_LICENSE_HEADER_END@ 27*42e22086SApple OSS Distributions */ 28*42e22086SApple OSS Distributions /*! 29*42e22086SApple OSS Distributions * @header init.h 30*42e22086SApple OSS Distributions * This header defines an API to register a function that will be called when 31*42e22086SApple OSS Distributions * the network stack is being initialized. This gives a kernel extensions an 32*42e22086SApple OSS Distributions * opportunity to install filters before sockets are created and network 33*42e22086SApple OSS Distributions * operations occur. 34*42e22086SApple OSS Distributions */ 35*42e22086SApple OSS Distributions #ifndef _NET_INIT_H_ 36*42e22086SApple OSS Distributions #define _NET_INIT_H_ 37*42e22086SApple OSS Distributions #include <sys/kernel_types.h> 38*42e22086SApple OSS Distributions 39*42e22086SApple OSS Distributions /*! 40*42e22086SApple OSS Distributions * @typedef net_init_func_ptr 41*42e22086SApple OSS Distributions * @discussion net_init_func_ptr will be called once the networking stack 42*42e22086SApple OSS Distributions * initialized and before network operations occur. 43*42e22086SApple OSS Distributions */ 44*42e22086SApple OSS Distributions typedef void (*net_init_func_ptr)(void); 45*42e22086SApple OSS Distributions 46*42e22086SApple OSS Distributions /*! 47*42e22086SApple OSS Distributions * @function net_init_add 48*42e22086SApple OSS Distributions * @discussion Add a function to be called during network initialization. Your 49*42e22086SApple OSS Distributions * kext must not unload until the function you register is called if 50*42e22086SApple OSS Distributions * net_init_add returns success. 51*42e22086SApple OSS Distributions * @param init_func A pointer to a function to be called when the stack is 52*42e22086SApple OSS Distributions * initialized. 53*42e22086SApple OSS Distributions * @result EINVAL - the init_func value was NULL. 54*42e22086SApple OSS Distributions * EALREADY - the network has already been initialized 55*42e22086SApple OSS Distributions * ENOMEM - there was not enough memory to perform this operation 56*42e22086SApple OSS Distributions * 0 - success 57*42e22086SApple OSS Distributions */ 58*42e22086SApple OSS Distributions errno_t net_init_add(net_init_func_ptr init_func); 59*42e22086SApple OSS Distributions 60*42e22086SApple OSS Distributions #ifdef BSD_KERNEL_PRIVATE 61*42e22086SApple OSS Distributions /* net_init_run is called from bsd_init */ 62*42e22086SApple OSS Distributions extern void net_init_run(void); 63*42e22086SApple OSS Distributions #endif /* BSD_KERNEL_PRIVATE */ 64*42e22086SApple OSS Distributions 65*42e22086SApple OSS Distributions #endif /* _NET_INIT_H_ */ 66