Now available: The Design and Implementation of the FreeBSD Operating System (Second Edition)
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FreeBSD/Linux Kernel Cross Reference
sys/servers/inet/inet_config.h
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1 /* 2 inet/inet_config.h 3 4 Created: Nov 11, 1992 by Philip Homburg 5 6 Defines values for configurable parameters. The structure definitions for 7 configuration information are also here. 8 9 Copyright 1995 Philip Homburg 10 */ 11 12 #ifndef INET__INET_CONFIG_H 13 #define INET__INET_CONFIG_H 14 15 /* Inet configuration file. */ 16 #define PATH_INET_CONF "/etc/inet.conf" 17 18 #define IP_PORT_MAX 32 /* Up to this many network devices */ 19 extern int eth_conf_nr; /* Number of ethernets */ 20 extern int psip_conf_nr; /* Number of Pseudo IP networks */ 21 extern int ip_conf_nr; /* Number of configured IP layers */ 22 extern int tcp_conf_nr; /* Number of configured TCP layers */ 23 extern int udp_conf_nr; /* Number of configured UDP layers */ 24 25 extern dev_t ip_dev; /* Device number of /dev/ip */ 26 27 struct eth_conf 28 { 29 char *ec_task; /* Kernel ethernet task name if nonnull */ 30 u8_t ec_port; /* Task port (!vlan) or Ethernet port (vlan) */ 31 u8_t ec_ifno; /* Interface number of /dev/eth* */ 32 u16_t ec_vlan; /* VLAN number of this net if task == NULL */ 33 }; 34 #define eth_is_vlan(ecp) ((ecp)->ec_task == NULL) 35 36 struct psip_conf 37 { 38 u8_t pc_ifno; /* Interface number of /dev/psip* */ 39 }; 40 41 struct ip_conf 42 { 43 u8_t ic_devtype; /* Underlying device type: Ethernet / PSIP */ 44 u8_t ic_port; /* Port of underlying device */ 45 u8_t ic_ifno; /* Interface number of /dev/ip*, tcp*, udp* */ 46 }; 47 48 struct tcp_conf 49 { 50 u8_t tc_port; /* IP port number */ 51 }; 52 53 struct udp_conf 54 { 55 u8_t uc_port; /* IP port number */ 56 }; 57 58 /* Types of networks. */ 59 #define NETTYPE_ETH 1 60 #define NETTYPE_PSIP 2 61 62 /* To compute the minor device number for a device on an interface. */ 63 #define if2minor(ifno, dev) ((ifno) * 8 + (dev)) 64 65 /* Offsets of the minor device numbers within a group per interface. */ 66 #define ETH_DEV_OFF 0 67 #define PSIP_DEV_OFF 0 68 #define IP_DEV_OFF 1 69 #define TCP_DEV_OFF 2 70 #define UDP_DEV_OFF 3 71 72 extern struct eth_conf eth_conf[IP_PORT_MAX]; 73 extern struct psip_conf psip_conf[IP_PORT_MAX]; 74 extern struct ip_conf ip_conf[IP_PORT_MAX]; 75 extern struct tcp_conf tcp_conf[IP_PORT_MAX]; 76 extern struct udp_conf udp_conf[IP_PORT_MAX]; 77 void read_conf(void); 78 extern char *sbrk(int); 79 void *alloc(size_t size); 80 81 /* Options */ 82 extern int ip_forward_directed_bcast; 83 84 #endif /* INET__INET_CONFIG_H */ 85 86 /* 87 * $PchId: inet_config.h,v 1.10 2003/08/21 09:24:33 philip Exp $ 88 */
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