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 
  23 
  24 #ifndef _TCP_ETH_H
  25 #define _TCP_ETH_H
  26 
  27 #define ETHER_MIN_LEN 64
  28 #define ETHER_ADDR_LEN 6
  29 
  30 #define ETHERTYPE_ARP 0x806
  31 #define ETHERTYPE_IP  0x800
  32 #define ETHER_TYPE 1
  33 
  34 /* Reciever modes */
  35 #define ETH_MODE_MONITOR                1       /* Monitor mode - no receive */
  36 #define ETH_MODE_PHYSICAL               2       /* Physical address receive only */
  37 #define ETH_MODE_BROADCAST              3       /* Broadcast receive + mode 2 */
  38 #define ETH_MODE_MULTICAST              4       /* Multicast receive + mode 3 */
  39 #define ETH_MODE_PROMISCUOUS            5       /* Promiscuous mode - receive all */
  40 
  41 #define WD_RX_SAVE_ERRORS       1       /* save error packets */
  42 #define WD_RX_RUNT              2       /* accept runt packets */
  43 #define WD_RX_BROAD             4       /* accept broadcast packets */
  44 #define WD_RX_MULTI             8       /* accept multicast packets */
  45 #define WD_RX_PROM              0x10    /* accept all packets */
  46 #define WD_RX_MON               0x20    /* monitor mode (just count packets) */
  47 
  48 #define NET16(x) (((x&0xff)<<8)|((x>>8)&0xff))
  49 
  50 struct enet_header
  51 {
  52   unsigned char daddr[ETHER_ADDR_LEN];
  53   unsigned char saddr[ETHER_ADDR_LEN];
  54   unsigned short type;
  55 };
  56 
  57 #define ETHER_HEADER sizeof(struct enet_header)
  58 
  59 struct enet_statistics{
  60   int rx_packets;       /* total packets received */
  61   int tx_packets;       /* total packets transmitted */
  62   int rx_errors;        /* bad packets received */
  63   int tx_errors;        /* packet transmit problems */
  64   int rx_dropped;       /* no space in linux buffers */
  65   int tx_dropped;       /* no space available in linux */
  66   int collisions;       /* total number of collisions */
  67   int multicast;        /* multicast packets received */
  68                         /* detailed rx_errors: */
  69   int rx_length_errors;
  70   int rx_over_errors;   /* receiver overwrote ring buffer in card */
  71   int rx_crc_errors;    /* received packet with crc error */
  72   int rx_frame_errors;  /* received frame alignment error */
  73   int rx_fifo_errors;   /* receiver fifo overrun */
  74   int rx_missed_errors; /* receiver missed packet */
  75                         /* detailed tx_errors */
  76   int tx_aborted_errors;
  77   int tx_carrier_errors;
  78   int tx_fifo_errors;
  79   int tx_heartbeat_errors;
  80   int tx_window_errors;
  81 };
  82 
  83 void print_eth(struct enet_header *eth);
  84 int eth_hard_header (unsigned char *buff, struct device *dev,
  85                      unsigned short type, unsigned long daddr,
  86                      unsigned long saddr, unsigned len);
  87 
  88 int eth_rebuild_header(void *eth, struct device *dev);
  89 void eth_add_arp (unsigned long addr, struct sk_buff *skb,
  90                   struct device *dev);
  91 unsigned short eth_type_trans (struct sk_buff *skb, struct device *dev);
  92 
  93 #endif
/* */
root/net/tcp/eth.h

INCLUDED FROM
