net/tcp/eth.h

/* */
   1 /* eth.h */
   2 /*
   3     Copyright (C) 1992  Ross Biro
   4 
   5     This program is free software; you can redistribute it and/or modify
   6     it under the terms of the GNU General Public License as published by
   7     the Free Software Foundation; either version 2, or (at your option)
   8     any later version.
   9 
  10     This program is distributed in the hope that it will be useful,
  11     but WITHOUT ANY WARRANTY; without even the implied warranty of
  12     MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  13     GNU General Public License for more details.
  14 
  15     You should have received a copy of the GNU General Public License
  16     along with this program; if not, write to the Free Software
  17     Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. 
  18 
  19     The Author may be reached as bir7@leland.stanford.edu or
  20     C/O Department of Mathematics; Stanford University; Stanford, CA 94305
  21 */
  22 /* $Id: eth.h,v 0.8.4.1 1992/11/10 00:17:18 bir7 Exp $ */
  23 /* $Log: eth.h,v $
  24  * Revision 0.8.4.1  1992/11/10  00:17:18  bir7
  25  * version change only.
  26  *
  27  * Revision 0.8.3.2  1992/11/10  00:14:47  bir7
  28  * Changed malloc to kmalloc and added $iId$ and $Log: eth.h,v $
  29  * Revision 0.8.4.1  1992/11/10  00:17:18  bir7
  30  * version change only.
  31  *.
  32  * */
  33 
  34 #ifndef _TCP_ETH_H
  35 #define _TCP_ETH_H
  36 
  37 #define ETHER_MIN_LEN 64
  38 #define ETHER_ADDR_LEN 6
  39 
  40 #define ETHERTYPE_ARP 0x806
  41 #define ETHERTYPE_IP  0x800
  42 #define ETHER_TYPE 1
  43 
  44 /* Reciever modes */
  45 #define ETH_MODE_MONITOR                1       /* Monitor mode - no receive */
  46 #define ETH_MODE_PHYSICAL               2       /* Physical address receive only */
  47 #define ETH_MODE_BROADCAST              3       /* Broadcast receive + mode 2 */
  48 #define ETH_MODE_MULTICAST              4       /* Multicast receive + mode 3 */
  49 #define ETH_MODE_PROMISCUOUS            5       /* Promiscuous mode - receive all */
  50 
  51 #define WD_RX_SAVE_ERRORS       1       /* save error packets */
  52 #define WD_RX_RUNT              2       /* accept runt packets */
  53 #define WD_RX_BROAD             4       /* accept broadcast packets */
  54 #define WD_RX_MULTI             8       /* accept multicast packets */
  55 #define WD_RX_PROM              0x10    /* accept all packets */
  56 #define WD_RX_MON               0x20    /* monitor mode (just count packets) */
  57 
  58 #define NET16(x) (((x&0xff)<<8)|((x>>8)&0xff))
  59 
  60 struct enet_header
  61 {
  62   unsigned char daddr[ETHER_ADDR_LEN];
  63   unsigned char saddr[ETHER_ADDR_LEN];
  64   unsigned short type;
  65 };
  66 
  67 #define ETHER_HEADER sizeof(struct enet_header)
  68 
  69 struct enet_statistics{
  70   int rx_packets;       /* total packets received */
  71   int tx_packets;       /* total packets transmitted */
  72   int rx_errors;        /* bad packets received */
  73   int tx_errors;        /* packet transmit problems */
  74   int rx_dropped;       /* no space in linux buffers */
  75   int tx_dropped;       /* no space available in linux */
  76   int collisions;       /* total number of collisions */
  77   int multicast;        /* multicast packets received */
  78                         /* detailed rx_errors: */
  79   int rx_length_errors;
  80   int rx_over_errors;   /* receiver overwrote ring buffer in card */
  81   int rx_crc_errors;    /* received packet with crc error */
  82   int rx_frame_errors;  /* received frame alignment error */
  83   int rx_fifo_errors;   /* receiver fifo overrun */
  84   int rx_missed_errors; /* receiver missed packet */
  85                         /* detailed tx_errors */
  86   int tx_aborted_errors;
  87   int tx_carrier_errors;
  88   int tx_fifo_errors;
  89   int tx_heartbeat_errors;
  90   int tx_window_errors;
  91 };
  92 
  93 void print_eth(struct enet_header *eth);
  94 int eth_hard_header (unsigned char *buff, struct device *dev,
  95                      unsigned short type, unsigned long daddr,
  96                      unsigned long saddr, unsigned len);
  97 
  98 int eth_rebuild_header(void *eth, struct device *dev);
  99 void eth_add_arp (unsigned long addr, struct sk_buff *skb,
 100                   struct device *dev);
 101 unsigned short eth_type_trans (struct sk_buff *skb, struct device *dev);
 102 
 103 #endif
/* */
root/net/tcp/eth.h

INCLUDED FROM
