2 * Copyright (c) 2001-2004 Swedish Institute of Computer Science.
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3 * All rights reserved.
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5 * Redistribution and use in source and binary forms, with or without modification,
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6 * are permitted provided that the following conditions are met:
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8 * 1. Redistributions of source code must retain the above copyright notice,
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9 * this list of conditions and the following disclaimer.
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10 * 2. Redistributions in binary form must reproduce the above copyright notice,
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11 * this list of conditions and the following disclaimer in the documentation
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12 * and/or other materials provided with the distribution.
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13 * 3. The name of the author may not be used to endorse or promote products
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14 * derived from this software without specific prior written permission.
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16 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR IMPLIED
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17 * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
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18 * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT
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19 * SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
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20 * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT
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21 * OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
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22 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
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23 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING
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24 * IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY
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27 * This file is part of the lwIP TCP/IP stack.
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29 * Author: Adam Dunkels <adam@sics.se>
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32 #ifndef __LWIP_API_H__
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33 #define __LWIP_API_H__
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35 #include "lwip/opt.h"
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36 #include "lwip/pbuf.h"
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37 #include "lwip/sys.h"
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39 #include "lwip/ip.h"
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41 #include "lwip/raw.h"
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42 #include "lwip/udp.h"
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43 #include "lwip/tcp.h"
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45 #include "lwip/err.h"
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47 #define NETCONN_NOCOPY 0x00
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48 #define NETCONN_COPY 0x01
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54 NETCONN_UDPNOCHKSUM,
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58 enum netconn_state {
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68 NETCONN_EVT_RCVPLUS,
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69 NETCONN_EVT_RCVMINUS,
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70 NETCONN_EVT_SENDPLUS,
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71 NETCONN_EVT_SENDMINUS
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75 struct pbuf *p, *ptr;
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76 struct ip_addr *fromaddr;
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82 enum netconn_type type;
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83 enum netconn_state state;
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85 struct tcp_pcb *tcp;
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86 struct udp_pcb *udp;
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87 struct raw_pcb *raw;
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91 sys_mbox_t recvmbox;
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92 sys_mbox_t acceptmbox;
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96 void (* callback)(struct netconn *, enum netconn_evt, u16_t len);
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99 /* Network buffer functions: */
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100 struct netbuf * netbuf_new (void);
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101 void netbuf_delete (struct netbuf *buf);
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102 void * netbuf_alloc (struct netbuf *buf, u16_t size);
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103 void netbuf_free (struct netbuf *buf);
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104 void netbuf_ref (struct netbuf *buf,
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105 void *dataptr, u16_t size);
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106 void netbuf_chain (struct netbuf *head,
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107 struct netbuf *tail);
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109 u16_t netbuf_len (struct netbuf *buf);
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110 err_t netbuf_data (struct netbuf *buf,
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111 void **dataptr, u16_t *len);
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112 s8_t netbuf_next (struct netbuf *buf);
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113 void netbuf_first (struct netbuf *buf);
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115 void netbuf_copy (struct netbuf *buf,
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116 void *dataptr, u16_t len);
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117 void netbuf_copy_partial(struct netbuf *buf, void *dataptr,
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118 u16_t len, u16_t offset);
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119 struct ip_addr * netbuf_fromaddr (struct netbuf *buf);
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120 u16_t netbuf_fromport (struct netbuf *buf);
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122 /* Network connection functions: */
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123 struct netconn * netconn_new (enum netconn_type type);
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125 netconn *netconn_new_with_callback(enum netconn_type t,
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126 void (*callback)(struct netconn *, enum netconn_evt, u16_t len));
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128 netconn *netconn_new_with_proto_and_callback(enum netconn_type t, u16_t proto,
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129 void (*callback)(struct netconn *, enum netconn_evt, u16_t len));
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130 err_t netconn_delete (struct netconn *conn);
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131 enum netconn_type netconn_type (struct netconn *conn);
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132 err_t netconn_peer (struct netconn *conn,
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133 struct ip_addr *addr,
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135 err_t netconn_addr (struct netconn *conn,
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136 struct ip_addr **addr,
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138 err_t netconn_bind (struct netconn *conn,
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139 struct ip_addr *addr,
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141 err_t netconn_connect (struct netconn *conn,
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142 struct ip_addr *addr,
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144 err_t netconn_disconnect (struct netconn *conn);
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145 err_t netconn_listen (struct netconn *conn);
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146 struct netconn * netconn_accept (struct netconn *conn);
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147 struct netbuf * netconn_recv (struct netconn *conn);
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148 err_t netconn_send (struct netconn *conn,
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149 struct netbuf *buf);
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150 err_t netconn_write (struct netconn *conn,
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151 void *dataptr, u16_t size,
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153 err_t netconn_close (struct netconn *conn);
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155 err_t netconn_err (struct netconn *conn);
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157 #endif /* __LWIP_API_H__ */
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