eth_int.h

Go to the documentation of this file.

/*
eth_int.h

Copyright 1995 Philip Homburg
*/

#ifndef ETH_INT_H
#define ETH_INT_H

#define ETH_TYPE_HASH_NR        16
#define ETH_VLAN_HASH_NR        16

/* Assume that the arguments are a local variable */
#define ETH_HASH_VLAN(v,t)      \
        ((t)= (((v) >> 8) ^ (v)), \
        (t)= (((t) >> 4) ^ (t)), \
        (t) & (ETH_VLAN_HASH_NR-1))
        
typedef struct eth_port
{
        int etp_flags;
        ether_addr_t etp_ethaddr;
        acc_t *etp_wr_pack, *etp_rd_pack;
        struct eth_fd *etp_sendq_head;
        struct eth_fd *etp_sendq_tail;
        struct eth_fd *etp_type_any;
        struct eth_fd *etp_type[ETH_TYPE_HASH_NR];
        event_t etp_sendev;

        /* VLAN support */
        u16_t etp_vlan;
        struct eth_port *etp_vlan_port;
        struct eth_port *etp_vlan_tab[ETH_VLAN_HASH_NR];
        struct eth_port *etp_vlan_next;

        osdep_eth_port_t etp_osdep;
} eth_port_t;

#define EPF_EMPTY        0x0
#define EPF_ENABLED      0x1
#define EPF_GOT_ADDR     0x2    /* Got ethernet address from device */
#define EPF_READ_IP     0x20
#define EPF_READ_SP     0x40

extern eth_port_t *eth_port_table;

extern int no_ethWritePort;     /* debug, consistency check */

void osdep_eth_init ARGS(( void ));
int eth_get_stat ARGS(( eth_port_t *eth_port, eth_stat_t *eth_stat ));
void eth_write_port ARGS(( eth_port_t *eth_port, acc_t *pack ));
void eth_arrive ARGS(( eth_port_t *port, acc_t *pack, size_t pack_size ));
void eth_set_rec_conf ARGS(( eth_port_t *eth_port, u32_t flags ));
void eth_restart_write ARGS(( eth_port_t *eth_port ));
void eth_loop_ev ARGS(( event_t *ev, ev_arg_t ev_arg ));
void eth_reg_vlan ARGS(( eth_port_t *eth_port, eth_port_t *vlan_port ));
void eth_restart_ioctl ARGS(( eth_port_t *eth_port ));

#endif /* ETH_INT_H */

/*
 * $PchId: eth_int.h,v 1.9 2001/04/23 08:04:06 philip Exp $
 */

---