servers/inet/generic/eth_int.h

   1 /*
   2 eth_int.h
   3
   4 Copyright 1995 Philip Homburg
   5 */
   6
   7 #ifndef ETH_INT_H
   8 #define ETH_INT_H
   9
  10 #define ETH_TYPE_HASH_NR        16
  11 #define ETH_VLAN_HASH_NR        16
  12
  13 /* Assume that the arguments are a local variable */
  14 #define ETH_HASH_VLAN(v,t)      \
  15         ((t)= (((v) >> 8) ^ (v)), \
  16         (t)= (((t) >> 4) ^ (t)), \
  17         (t) & (ETH_VLAN_HASH_NR-1))
  18
  19 typedef struct eth_port
  20 {
  21         int etp_flags;
  22         ether_addr_t etp_ethaddr;
  23         acc_t *etp_wr_pack, *etp_rd_pack;
  24         acc_t *etp_getstat;
  25         struct eth_fd *etp_sendq_head;
  26         struct eth_fd *etp_sendq_tail;
  27         struct eth_fd *etp_type_any;
  28         struct eth_fd *etp_type[ETH_TYPE_HASH_NR];
  29         event_t etp_sendev;
  30
  31         /* VLAN support */
  32         u16_t etp_vlan;
  33         struct eth_port *etp_vlan_port;
  34         struct eth_port *etp_vlan_tab[ETH_VLAN_HASH_NR];
  35         struct eth_port *etp_vlan_next;
  36
  37         osdep_eth_port_t etp_osdep;
  38 } eth_port_t;
  39
  40 #define EPF_EMPTY        0x0
  41 #define EPF_ENABLED      0x1
  42 #define EPF_GOT_ADDR     0x2    /* Got ethernet address from device */
  43 #define EPF_READ_IP     0x20
  44 #define EPF_READ_SP     0x40
  45
  46 extern eth_port_t *eth_port_table;
  47
  48 extern int no_ethWritePort;     /* debug, consistency check */
  49
  50 void osdep_eth_init ARGS(( void ));
  51 int eth_get_stat ARGS(( eth_port_t *eth_port, eth_stat_t *eth_stat ));
  52 void eth_write_port ARGS(( eth_port_t *eth_port, acc_t *pack ));
  53 void eth_arrive ARGS(( eth_port_t *port, acc_t *pack, size_t pack_size ));
  54 void eth_set_rec_conf ARGS(( eth_port_t *eth_port, u32_t flags ));
  55 void eth_restart_write ARGS(( eth_port_t *eth_port ));
  56 void eth_loop_ev ARGS(( event_t *ev, ev_arg_t ev_arg ));
  57 void eth_reg_vlan ARGS(( eth_port_t *eth_port, eth_port_t *vlan_port ));
  58 void eth_restart_ioctl ARGS(( eth_port_t *eth_port ));
  59
  60 #endif /* ETH_INT_H */
  61
  62 /*
  63  * $PchId: eth_int.h,v 1.9 2001/04/23 08:04:06 philip Exp $
  64  */