Joshua Wise's Git repositories - netwatch.git/blame_incremental

... / ...

Commit	Line	Data
	1	/*
	2	* Copyright (c) 2001-2004 Swedish Institute of Computer Science.
	3	* All rights reserved.
	4	*
	5	* Redistribution and use in source and binary forms, with or without modification,
	6	* are permitted provided that the following conditions are met:
	7	*
	8	* 1. Redistributions of source code must retain the above copyright notice,
	9	* this list of conditions and the following disclaimer.
	10	* 2. Redistributions in binary form must reproduce the above copyright notice,
	11	* this list of conditions and the following disclaimer in the documentation
	12	* and/or other materials provided with the distribution.
	13	* 3. The name of the author may not be used to endorse or promote products
	14	* derived from this software without specific prior written permission.
	15	*
	16	* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR IMPLIED
	17	* WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
	18	* MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT
	19	* SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
	20	* EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT
	21	* OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
	22	* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
	23	* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING
	24	* IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY
	25	* OF SUCH DAMAGE.
	26	*
	27	* This file is part of the lwIP TCP/IP stack.
	28	*
	29	* Author: Adam Dunkels <adam@sics.se>
	30	*
	31	*/
	32	#ifndef __LWIP_RAW_H__
	33	#define __LWIP_RAW_H__
	34
	35	#include "lwip/opt.h"
	36
	37	#if LWIP_RAW /* don't build if not configured for use in lwipopts.h */
	38
	39	#include "lwip/pbuf.h"
	40	#include "lwip/inet.h"
	41	#include "lwip/ip.h"
	42	#include "lwip/ip_addr.h"
	43
	44	#ifdef __cplusplus
	45	extern "C" {
	46	#endif
	47
	48	struct raw_pcb {
	49	/* Common members of all PCB types */
	50	IP_PCB;
	51
	52	struct raw_pcb *next;
	53
	54	u8_t protocol;
	55
	56	/* receive callback function
	57	* @param arg user supplied argument (raw_pcb.recv_arg)
	58	* @param pcb the raw_pcb which received data
	59	* @param p the packet buffer that was received
	60	* @param addr the remote IP address from which the packet was received
	61	* @return 1 if the packet was 'eaten' (aka. deleted),
	62	* 0 if the packet lives on
	63	* If returning 1, the callback is responsible for freeing the pbuf
	64	* if it's not used any more.
	65	*/
	66	u8_t (* recv)(void arg, struct raw_pcb pcb, struct pbuf *p,
	67	struct ip_addr *addr);
	68	/* user-supplied argument for the recv callback */
	69	void *recv_arg;
	70	};
	71
	72	/* The following functions is the application layer interface to the
	73	RAW code. */
	74	struct raw_pcb * raw_new (u8_t proto);
	75	void raw_remove (struct raw_pcb *pcb);
	76	err_t raw_bind (struct raw_pcb pcb, struct ip_addr ipaddr);
	77	err_t raw_connect (struct raw_pcb pcb, struct ip_addr ipaddr);
	78
	79	void raw_recv (struct raw_pcb *pcb,
	80	u8_t (* recv)(void arg, struct raw_pcb pcb,
	81	struct pbuf *p,
	82	struct ip_addr *addr),
	83	void *recv_arg);
	84	err_t raw_sendto (struct raw_pcb pcb, struct pbuf p, struct ip_addr *ipaddr);
	85	err_t raw_send (struct raw_pcb pcb, struct pbuf p);
	86
	87	/* The following functions are the lower layer interface to RAW. */
	88	u8_t raw_input (struct pbuf p, struct netif inp);
	89	#define raw_init() /* Compatibility define, not init needed. */
	90
	91	#ifdef __cplusplus
	92	}
	93	#endif
	94
	95	#endif /* LWIP_RAW */
	96
	97	#endif /* __LWIP_RAW_H__ */