SVN Repository / Prohlížení

enc28j60_ip.h

   1  /*******************************************************************************
   2     enc28j60_ip.h: Sitova vrstva modelu TCP/IP
   3     Copyright (C) 2010 Brno University of Technology,
   4                        Faculty of Information Technology
   5     Author(s): Martin Musil <xmusil34 AT fit.vutbr.cz>
   6  
   7     LICENSE TERMS
   8  
   9     Redistribution and use in source and binary forms, with or without
  10     modification, are permitted provided that the following conditions
  11     are met:
  12     1. Redistributions of source code must retain the above copyright
  13        notice, this list of conditions and the following disclaimer.
  14     2. Redistributions in binary form must reproduce the above copyright
  15        notice, this list of conditions and the following disclaimer in
  16        the documentation and/or other materials provided with the
  17        distribution.
  18     3. All advertising materials mentioning features or use of this software
  19        or firmware must display the following acknowledgement:
  20  
  21          This product includes software developed by the University of
  22          Technology, Faculty of Information Technology, Brno and its
  23          contributors.
  24  
  25     4. Neither the name of the Company nor the names of its contributors
  26        may be used to endorse or promote products derived from this
  27        software without specific prior written permission.
  28  
  29     This software or firmware is provided ``as is'', and any express or implied
  30     warranties, including, but not limited to, the implied warranties of
  31     merchantability and fitness for a particular purpose are disclaimed.
  32     In no event shall the company or contributors be liable for any
  33     direct, indirect, incidental, special, exemplary, or consequential
  34     damages (including, but not limited to, procurement of substitute
  35     goods or services; loss of use, data, or profits; or business
  36     interruption) however caused and on any theory of liability, whether
  37     in contract, strict liability, or tort (including negligence or
  38     otherwise) arising in any way out of the use of this software, even
  39     if advised of the possibility of such damage.
  40  
  41     $Id$
  42  
  43  *******************************************************************************/
  44  
  45  /**
  46  	\file enc28j60_ip.h
  47  
  48  */
  49  
  50  #ifndef _ENC28J60_IP_
  51  #define _ENC28J60_IP_
  52  
  53  
  54  //****************************
  55  //prevody
  56  //****************************
  57  
  58  #define HTONS(x) ((((x)&0xff)<<8) | ((x)>>8))
  59  
  60  #define HTONL(x) ((((x)&0xff)<<24) | (((x)&0x00ff0000l)>>8) | (((x)&0x0000ff00l)<<8) | ((x)>>24))
  61  
  62  
  63  
  64  
  65  /**
  66  
  67   **/
  68  #define CHAR2IP(x0,x1,x2,x3) ( ((unsigned long)x0<<24)|((unsigned long)x1<<16)|((unsigned int)x2<<8)|x3)
  69  
  70  /**
  71   \cond
  72   **/
  73  
  74  
  75  
  76  
  77  
  78  
  79  
  80  #define IP_FRAG_OFFSET   0x1fff
  81  #define IP_FRAG_MORE     0x2000
  82  #define IP_FRAG_DONT     0x4000
  83  #define IP_FRAG_RESERVED 0x8000
  84  
  85  
  86  
  87  
  88  
  89  
  90  
  91  
  92  
  93  
  94  /**
  95   \endcond
  96   **/
  97  
  98  /**
  99  
 100  
 101   \struct ip_h
 102   **/
 103  struct ip_h{
 104  
 105  	unsigned char ipv:4;			///< verze IP protokolu
 106  
 107  
 108  	unsigned int identification;	///< identifikace paketu
 109  	unsigned int fragment;			///< offset fragmentu a flagy
 110  	unsigned char ttl;				///< Time to Live
 111  
 112  
 113  
 114  
 115  };
 116  
 117  /**
 118   \cond
 119   **/
 120  
 121  /******************/
 122  
 123  /**
 124  
 125   **/
 126  void ip_recv(void);
 127  
 128  /**
 129  
 130  
 131  
 132  
 133  
 134  
 135   **/
 136  char ip_send(unsigned long dest_addr,unsigned char protocol);
 137  
 138  /**
 139  
 140   \param pointer - ukazatel na blok dat
 141  
 142   \returns checksum
 143   **/
 144  unsigned int count_checksum(void* pointer,int count);
 145  
 146  /**
 147   \endcond
 148   **/
 149  /******************/
 150  
 151  /**
 152  
 153  
 154   \see set_ip_l()
 155   **/
 156  inline void set_ip(unsigned char a0,unsigned char a1,unsigned char a2, unsigned char a3);
 157  
 158  /**
 159  
 160  
 161   \see set_ip()
 162   **/
 163  inline void set_ip_l(unsigned long ip);
 164  
 165  /**
 166  
 167  
 168   **/
 169  inline unsigned long get_ip();
 170  
 171  
 172  /******************/
 173  
 174  /**
 175  
 176  
 177   \see set_netmask_l()
 178   **/
 179  inline void set_netmask(unsigned char m0,unsigned char m1,unsigned char m2, unsigned char m3);
 180  
 181  /**
 182  
 183  
 184   \see set_netmask()
 185   **/
 186  inline void set_netmask_l(unsigned long netmask);
 187  
 188  /**
 189  
 190  
 191   **/
 192  inline unsigned long get_netmask();
 193  
 194  
 195  
 196  /******************/
 197  
 198  
 199  /**
 200  
 201  
 202   \see set_gateway_l()
 203   **/
 204  inline void set_gateway(unsigned char g0,unsigned char g1,unsigned char g2, unsigned char g3);
 205  
 206  /**
 207  
 208  
 209   \see set_gateway()
 210   **/
 211  inline void set_gateway_l(unsigned long gateway);
 212  
 213  /**
 214  
 215  
 216   **/
 217  inline unsigned long get_gateway();
 218  
 219  
 220  /******************/
 221  
 222  /**
 223  
 224  
 225   \see set_dns_server_l()
 226   **/
 227  inline void set_dns_server(unsigned char d0,unsigned char d1,unsigned char d2, unsigned char d3);
 228  
 229  /**
 230  
 231  
 232   \see set_dns_server()
 233   **/
 234  inline void set_dns_server_l(unsigned long dns);
 235  
 236  /**
 237  
 238  
 239   **/
 240  inline unsigned long get_dns_server();
 241  
 242  
 243  
 244  #endif /*_ENC28J60_IP_*/
 245