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model to an instance-based model. Each ethernet driver instance is now responsible for exactly one network interface card. The port field in /etc/inet.conf now acts as an instance field instead. This patch also updates the data link protocol. This update: - eliminates the concept of ports entirely; - eliminates DL_GETNAME entirely; - standardizes on using m_source for IPC and DL_ENDPT for safecopies; - removes error codes from TASK/STAT replies, as they were unused; - removes a number of other old or unused fields; - names and renames a few other fields. All ethernet drivers have been changed to: - conform to the new protocol, and exactly that; - take on an instance number based on a given "instance" argument; - skip that number of PCI devices in probe iterations; - use config tables and environment variables based on that number; - no longer be limited to a predefined maximum of cards in any way; - get rid of any leftover non-safecopy support and other ancient junk; - have a correct banner protocol figure, or none at all. Other changes: * Inet.conf is now taken to be line-based, and supports #-comments. No existing installations are expected to be affected by this. * A new, select-based asynchio library replaces the old one. Kindly contributed by Kees J. Bot. * Inet now supports use of select() on IP devices. Combined, the last two changes together speed up dhcpd considerably in the presence of multiple interfaces. * A small bug has been fixed in nonamed.
92 lines
2.4 KiB
C
92 lines
2.4 KiB
C
/*
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inet/inet_config.h
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Created: Nov 11, 1992 by Philip Homburg
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Defines values for configurable parameters. The structure definitions for
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configuration information are also here.
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Copyright 1995 Philip Homburg
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*/
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#ifndef INET__INET_CONFIG_H
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#define INET__INET_CONFIG_H
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/* Inet configuration file. */
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#define PATH_INET_CONF "/etc/inet.conf"
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#define IP_PORT_MAX 32 /* Up to this many network devices */
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extern int eth_conf_nr; /* Number of ethernets */
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extern int psip_conf_nr; /* Number of Pseudo IP networks */
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extern int ip_conf_nr; /* Number of configured IP layers */
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extern int tcp_conf_nr; /* Number of configured TCP layers */
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extern int udp_conf_nr; /* Number of configured UDP layers */
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extern dev_t ip_dev; /* Device number of /dev/ip */
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struct eth_conf
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{
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char *ec_label; /* Process label name if nonnull */
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u8_t ec_port; /* Ethernet port for VLAN if label == NULL */
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u8_t ec_ifno; /* Interface number of /dev/eth* */
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u16_t ec_vlan; /* VLAN number of this net if label == NULL */
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};
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#define eth_is_vlan(ecp) ((ecp)->ec_label == NULL)
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struct psip_conf
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{
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u8_t pc_ifno; /* Interface number of /dev/psip* */
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};
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struct ip_conf
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{
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u8_t ic_devtype; /* Underlying device type: Ethernet / PSIP */
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u8_t ic_port; /* Port of underlying device */
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u8_t ic_ifno; /* Interface number of /dev/ip*, tcp*, udp* */
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};
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struct tcp_conf
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{
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u8_t tc_port; /* IP port number */
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};
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struct udp_conf
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{
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u8_t uc_port; /* IP port number */
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};
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/* Types of networks. */
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#define NETTYPE_ETH 1
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#define NETTYPE_PSIP 2
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/* To compute the minor device number for a device on an interface. */
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#define if2minor(ifno, dev) (1 + (ifno) * 8 + (dev))
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#define IPSTAT_DEV "/dev/ipstat"
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#define IPSTAT_MODE 0666 /* Is this right? What about just setuid apps */
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#define IPSTAT_MINOR 0 /* Minor number of /dev/ipstat */
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/* Offsets of the minor device numbers within a group per interface. */
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#define ETH_DEV_OFF 0
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#define PSIP_DEV_OFF 0
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#define IP_DEV_OFF 1
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#define TCP_DEV_OFF 2
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#define UDP_DEV_OFF 3
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extern struct eth_conf eth_conf[IP_PORT_MAX];
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extern struct psip_conf psip_conf[IP_PORT_MAX];
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extern struct ip_conf ip_conf[IP_PORT_MAX];
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extern struct tcp_conf tcp_conf[IP_PORT_MAX];
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extern struct udp_conf udp_conf[IP_PORT_MAX];
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void read_conf(void);
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extern char *sbrk(int);
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void *alloc(size_t size);
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/* Options */
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extern int ip_forward_directed_bcast;
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#endif /* INET__INET_CONFIG_H */
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/*
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* $PchId: inet_config.h,v 1.10 2003/08/21 09:24:33 philip Exp $
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*/
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