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6e6d4a8b JP |
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__ */ |