install approved copyright notice

[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 7a0e63b..95c74f7 100644 (file)
--- a/usr/src/sys/netinet/in.h
+++ b/usr/src/sys/netinet/in.h
@@ -1,9 +1,20 @@
 /*
 /*

- * Copyright (c) 1982 Regents of the University of California.
- * All rights reserved.  The Berkeley software License Agreement
- * specifies the terms and conditions for redistribution.
+ * Copyright (c) 1982, 1986 Regents of the University of California.
+ * All rights reserved.

  *
  *

- *     @(#)in.h        6.5 (Berkeley) %G%
+ * 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) %G%

  */
 
 /*
  */
 
 /*


@@ -14,12 +25,14 @@
 /*
  * 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_EGP             8               /* exterior gateway protocol */
 #define        IPPROTO_PUP             12              /* pup */
 #define        IPPROTO_UDP             17              /* user datagram protocol */
 #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_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


@@ -28,8 +41,11 @@
 /*
  * 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


@@ -47,49 +63,39 @@ struct in_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_MAX           128
 
 #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_MAX           65536
 
 #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        INADDR_BROADCAST        0xffffffff
+#define        IN_CLASSD(i)            (((long)(i) & 0xf0000000) == 0xe0000000)
+#define        IN_MULTICAST(i)         IN_CLASSD(i)

 
 

-/*
- * Macros for subnetworks.  A subnet is distinguished by
- *     (1) the network number is a `local' network number, and
- *     (2) the most significant bit of the host part is set.
- * Such addresses include one additional byte in the network number,
- * and use one less byte in the host part (i.e., a subnet of a Class A
- * network uses the rules for Class B net/host number extraction,
- * a Class B subnet is dealt with as if it were a Class C net).
- * Subnets of Class C nets are not supported.
- */
-#define        SUBNETSHIFT             8  /* used to get main net number from subnet */
+#define        IN_EXPERIMENTAL(i)      (((long)(i) & 0xe0000000) == 0xe0000000)
+#define        IN_BADCLASS(i)          (((long)(i) & 0xf0000000) == 0xf0000000)

 
 

-#define        IN_SUBNETA(i)           ((((long)(i))&0x80800000)==0x00800000)
-#define        IN_CLASSA_SUBNET        0xffff0000
-#define        IN_CLASSA_SUBNSHIFT     (IN_CLASSA_NSHIFT - SUBNETSHIFT)
-#define        IN_CLASSA_SUBHOST       0x0000ffff
+#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_SUBNETB(i)           ((((long)(i))&0xc0008000)==0x80008000)
-#define        IN_CLASSB_SUBNET        0xffffff00
-#define        IN_CLASSB_SUBNSHIFT     (IN_CLASSB_NSHIFT - SUBNETSHIFT)
-#define        IN_CLASSA_SUBHOST       0x0000ffff
-#define        IN_CLASSB_SUBHOST       0x000000ff
+#define        IN_LOOPBACKNET          127                     /* official! */

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


@@ -101,18 +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[];
 struct in_addr in_makeaddr();
 
 #ifdef KERNEL
 extern struct domain inetdomain;
 extern struct protosw inetsw[];
 struct in_addr in_makeaddr();

+u_long in_netof(), in_lnaof();

 #endif
 #endif