BSD 4_3_Tahoe release

[unix-history] / usr / src / sys / netinet / in.h

diff --git a/usr/src/sys/netinet/in.h b/usr/src/sys/netinet/in.h
index 6f11375..2523ddd 100644 (file)
--- a/usr/src/sys/netinet/in.h
+++ b/usr/src/sys/netinet/in.h
@@ -1,4 +1,21 @@
-/*     in.h    4.18    82/11/03        */
+/*
+ * Copyright (c) 1982, 1986 Regents of the University of California.
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms are permitted
+ * provided that the above copyright notice and this paragraph are
+ * duplicated in all such forms and that any documentation,
+ * advertising materials, and other materials related to such
+ * distribution and use acknowledge that the software was developed
+ * by the University of California, Berkeley.  The name of the
+ * University may not be used to endorse or promote products derived
+ * from this software without specific prior written permission.
+ * THIS SOFTWARE IS PROVIDED ``AS IS'' AND WITHOUT ANY EXPRESS OR
+ * IMPLIED WARRANTIES, INCLUDING, WITHOUT LIMITATION, THE IMPLIED
+ * WARRANTIES OF MERCHANTIBILITY AND FITNESS FOR A PARTICULAR PURPOSE.
+ *
+ *     @(#)in.h        7.6 (Berkeley) 6/29/88
+ */

 
 /*
  * Constants and structures defined by the internet system,
 
 /*
  * Constants and structures defined by the internet system,


@@ -8,60 +25,27 @@
 /*
  * Protocols
  */
 /*
  * Protocols
  */

+#define        IPPROTO_IP              0               /* dummy for IP */

 #define        IPPROTO_ICMP            1               /* control message protocol */
 #define        IPPROTO_ICMP            1               /* control message protocol */

-#define        IPPROTO_GGP             2               /* gateway^2 (deprecated) */
+#define        IPPROTO_GGP             3               /* gateway^2 (deprecated) */

 #define        IPPROTO_TCP             6               /* tcp */
 #define        IPPROTO_TCP             6               /* tcp */

+#define        IPPROTO_EGP             8               /* exterior gateway protocol */

 #define        IPPROTO_PUP             12              /* pup */
 #define        IPPROTO_UDP             17              /* user datagram protocol */
 #define        IPPROTO_PUP             12              /* pup */
 #define        IPPROTO_UDP             17              /* user datagram protocol */

+#define        IPPROTO_IDP             22              /* xns idp */

 
 #define        IPPROTO_RAW             255             /* raw IP packet */
 #define        IPPROTO_MAX             256
 
 
 #define        IPPROTO_RAW             255             /* raw IP packet */
 #define        IPPROTO_MAX             256
 

-/*
- * Port/socket numbers: network standard functions
- */
-#define        IPPORT_ECHO             7
-#define        IPPORT_DISCARD          9
-#define        IPPORT_SYSTAT           11
-#define        IPPORT_DAYTIME          13
-#define        IPPORT_NETSTAT          15
-#define        IPPORT_FTP              21
-#define        IPPORT_TELNET           23
-#define        IPPORT_SMTP             25
-#define        IPPORT_TIMESERVER       37
-#define        IPPORT_NAMESERVER       42
-#define        IPPORT_WHOIS            43
-#define        IPPORT_MTP              57
-
-/*
- * Port/socket numbers: host specific functions
- */
-#define        IPPORT_TFTP             69
-#define        IPPORT_RJE              77
-#define        IPPORT_FINGER           79
-#define        IPPORT_TTYLINK          87
-#define        IPPORT_SUPDUP           95
-
-/*
- * UNIX TCP sockets
- */
-#define        IPPORT_EXECSERVER       512
-#define        IPPORT_LOGINSERVER      513
-#define        IPPORT_CMDSERVER        514
-#define        IPPORT_EFSSERVER        520
-
-/*
- * UNIX UDP sockets
- */
-#define        IPPORT_BIFFUDP          512
-#define        IPPORT_WHOSERVER        513
-#define        IPPORT_ROUTESERVER      520     /* 520+1 also used */

 
 /*
  * Ports < IPPORT_RESERVED are reserved for
  * privileged processes (e.g. root).
 
 /*
  * Ports < IPPORT_RESERVED are reserved for
  * privileged processes (e.g. root).

+ * Ports > IPPORT_USERRESERVED are reserved
+ * for servers, not necessarily privileged.

  */
 #define        IPPORT_RESERVED         1024
  */
 #define        IPPORT_RESERVED         1024

+#define        IPPORT_USERRESERVED     5000

 
 /*
  * Link numbers
 
 /*
  * Link numbers


@@ -71,43 +55,47 @@
 #define        IMPLINK_HIGHEXPER       158
 
 /*
 #define        IMPLINK_HIGHEXPER       158
 
 /*

- * Internet address (old style... should be updated)
+ * Internet address (a structure for historical reasons)

  */
 struct in_addr {
  */
 struct in_addr {

-       union {
-               struct { u_char s_b1,s_b2,s_b3,s_b4; } S_un_b;
-               struct { u_short s_w1,s_w2; } S_un_w;
-               u_long S_addr;
-       } S_un;
-#define        s_addr  S_un.S_addr     /* can be used for most tcp & ip code */
-#ifdef vax
-#define        s_host  S_un.S_un_b.s_b2        /* host on imp */
-#define        s_net   S_un.S_un_b.s_b1        /* network */
-#define        s_imp   S_un.S_un_w.s_w2        /* imp */
-#define        s_impno S_un.S_un_b.s_b4        /* imp # */
-#define        s_lh    S_un.S_un_b.s_b3        /* logical host */
-#endif
+       u_long s_addr;

 };
 
 /*
  * Definitions of bits in internet address integers.
 };
 
 /*
  * Definitions of bits in internet address integers.

+ * On subnets, the decomposition of addresses to host and net parts
+ * is done according to subnet mask, not the masks here.

  */
  */

-#define        IN_CLASSA(i)            ((((long)(i))&0x80000000)==0)
+#define        IN_CLASSA(i)            (((long)(i) & 0x80000000) == 0)

 #define        IN_CLASSA_NET           0xff000000
 #define        IN_CLASSA_NSHIFT        24
 #define        IN_CLASSA_HOST          0x00ffffff
 #define        IN_CLASSA_NET           0xff000000
 #define        IN_CLASSA_NSHIFT        24
 #define        IN_CLASSA_HOST          0x00ffffff

+#define        IN_CLASSA_MAX           128

 
 

-#define        IN_CLASSB(i)            ((((long)(i))&0xc0000000)==0x80000000)
+#define        IN_CLASSB(i)            (((long)(i) & 0xc0000000) == 0x80000000)

 #define        IN_CLASSB_NET           0xffff0000
 #define        IN_CLASSB_NSHIFT        16
 #define        IN_CLASSB_HOST          0x0000ffff
 #define        IN_CLASSB_NET           0xffff0000
 #define        IN_CLASSB_NSHIFT        16
 #define        IN_CLASSB_HOST          0x0000ffff

+#define        IN_CLASSB_MAX           65536

 
 

-#define        IN_CLASSC(i)            ((((long)(i))&0xc0000000)==0xc0000000)
+#define        IN_CLASSC(i)            (((long)(i) & 0xe0000000) == 0xc0000000)

 #define        IN_CLASSC_NET           0xffffff00
 #define        IN_CLASSC_NSHIFT        8
 #define        IN_CLASSC_HOST          0x000000ff
 
 #define        IN_CLASSC_NET           0xffffff00
 #define        IN_CLASSC_NSHIFT        8
 #define        IN_CLASSC_HOST          0x000000ff
 

-#define        INADDR_ANY      0x00000000
+#define        IN_CLASSD(i)            (((long)(i) & 0xf0000000) == 0xe0000000)
+#define        IN_MULTICAST(i)         IN_CLASSD(i)
+
+#define        IN_EXPERIMENTAL(i)      (((long)(i) & 0xe0000000) == 0xe0000000)
+#define        IN_BADCLASS(i)          (((long)(i) & 0xf0000000) == 0xf0000000)
+
+#define        INADDR_ANY              (u_long)0x00000000
+#define        INADDR_BROADCAST        (u_long)0xffffffff      /* must be masked */
+#ifndef KERNEL
+#define        INADDR_NONE             0xffffffff              /* -1 return */
+#endif
+
+#define        IN_LOOPBACKNET          127                     /* official! */

 
 /*
  * Socket address, internet style.
 
 /*
  * Socket address, internet style.


@@ -119,17 +107,14 @@ struct sockaddr_in {
        char    sin_zero[8];
 };
 
        char    sin_zero[8];
 };
 

-#if !defined(vax)

 /*
 /*

- * Macros for number representation conversion.
+ * Options for use with [gs]etsockopt at the IP level.

  */
  */

-#define        ntohl(x)        (x)
-#define        ntohs(x)        (x)
-#define        htonl(x)        (x)
-#define        htons(x)        (x)
-#endif
+#define        IP_OPTIONS      1               /* set/get IP per-packet options */

 
 #ifdef KERNEL
 extern struct domain inetdomain;
 extern struct protosw inetsw[];
 
 #ifdef KERNEL
 extern struct domain inetdomain;
 extern struct protosw inetsw[];

+struct in_addr in_makeaddr();
+u_long in_netof(), in_lnaof();

 #endif
 #endif