minix/servers/inet/inet_config.h

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/*
inet/inet_config.h
Created: Nov 11, 1992 by Philip Homburg
Defines values for configurable parameters. The structure definitions for
configuration information are also here.
Copyright 1995 Philip Homburg
*/
#ifndef INET__INET_CONFIG_H
#define INET__INET_CONFIG_H
/* Inet configuration file. */
#define PATH_INET_CONF "/etc/inet.conf"
#define IP_PORT_MAX 32 /* Up to this many network devices */
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extern int eth_conf_nr; /* Number of ethernets */
extern int psip_conf_nr; /* Number of Pseudo IP networks */
extern int ip_conf_nr; /* Number of configured IP layers */
extern int tcp_conf_nr; /* Number of configured TCP layers */
extern int udp_conf_nr; /* Number of configured UDP layers */
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extern dev_t ip_dev; /* Device number of /dev/ip */
struct eth_conf
{
char *ec_task; /* Kernel ethernet task name if nonnull */
u8_t ec_port; /* Task port (!vlan) or Ethernet port (vlan) */
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u8_t ec_ifno; /* Interface number of /dev/eth* */
u16_t ec_vlan; /* VLAN number of this net if task == NULL */
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};
#define eth_is_vlan(ecp) ((ecp)->ec_task == NULL)
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struct psip_conf
{
u8_t pc_ifno; /* Interface number of /dev/psip* */
};
struct ip_conf
{
u8_t ic_devtype; /* Underlying device type: Ethernet / PSIP */
u8_t ic_port; /* Port of underlying device */
u8_t ic_ifno; /* Interface number of /dev/ip*, tcp*, udp* */
};
struct tcp_conf
{
u8_t tc_port; /* IP port number */
};
struct udp_conf
{
u8_t uc_port; /* IP port number */
};
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/* Types of networks. */
#define NETTYPE_ETH 1
#define NETTYPE_PSIP 2
/* To compute the minor device number for a device on an interface. */
#define if2minor(ifno, dev) ((ifno) * 8 + (dev))
/* Offsets of the minor device numbers within a group per interface. */
#define ETH_DEV_OFF 0
#define PSIP_DEV_OFF 0
#define IP_DEV_OFF 1
#define TCP_DEV_OFF 2
#define UDP_DEV_OFF 3
extern struct eth_conf eth_conf[IP_PORT_MAX];
extern struct psip_conf psip_conf[IP_PORT_MAX];
extern struct ip_conf ip_conf[IP_PORT_MAX];
extern struct tcp_conf tcp_conf[IP_PORT_MAX];
extern struct udp_conf udp_conf[IP_PORT_MAX];
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void read_conf(void);
extern char *sbrk(int);
void *alloc(size_t size);
/* Options */
extern int ip_forward_directed_bcast;
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#endif /* INET__INET_CONFIG_H */
/*
* $PchId: inet_config.h,v 1.10 2003/08/21 09:24:33 philip Exp $
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*/