diff options
| -rw-r--r-- | sys/netinet/ip.h | 21 |
1 files changed, 11 insertions, 10 deletions
diff --git a/sys/netinet/ip.h b/sys/netinet/ip.h index 63aa4fd..3c4903a 100644 --- a/sys/netinet/ip.h +++ b/sys/netinet/ip.h @@ -1,6 +1,7 @@ /*- * Copyright (c) 1982, 1986, 1993 - * The Regents of the University of California. All rights reserved. + * The Regents of the University of California. + * All rights reserved. * * Redistribution and use in source and binary forms, with or without * modification, are permitted provided that the following conditions @@ -31,12 +32,13 @@ */ #ifndef _NETINET_IP_H_ -#define _NETINET_IP_H_ +#define _NETINET_IP_H_ #include <sys/cdefs.h> /* * Definitions for internet protocol version 4. + * * Per RFC 791, September 1981. */ #define IPVERSION 4 @@ -74,7 +76,7 @@ CTASSERT(sizeof (struct ip) == 20); #define IP_MAXPACKET 65535 /* maximum packet size */ /* - * Definitions for IP type of service (ip_tos) + * Definitions for IP type of service (ip_tos). */ #define IPTOS_LOWDELAY 0x10 #define IPTOS_THROUGHPUT 0x08 @@ -87,7 +89,7 @@ CTASSERT(sizeof (struct ip) == 20); #endif /* - * Definitions for IP precedence (also in ip_tos) (hopefully unused) + * Definitions for IP precedence (also in ip_tos) (hopefully unused). */ #define IPTOS_PREC_NETCONTROL 0xe0 #define IPTOS_PREC_INTERNETCONTROL 0xc0 @@ -99,8 +101,8 @@ CTASSERT(sizeof (struct ip) == 20); #define IPTOS_PREC_ROUTINE 0x00 /* - * ECN (Explicit Congestion Notification) codepoints in RFC3168 - * mapped to the lower 2 bits of the TOS field. + * ECN (Explicit Congestion Notification) codepoints in RFC3168 mapped to the + * lower 2 bits of the TOS field. */ #define IPTOS_ECN_NOTECT 0x00 /* not-ECT */ #define IPTOS_ECN_ECT1 0x01 /* ECN-capable transport (1) */ @@ -138,7 +140,7 @@ CTASSERT(sizeof (struct ip) == 20); */ #define IPOPT_OPTVAL 0 /* option ID */ #define IPOPT_OLEN 1 /* option length */ -#define IPOPT_OFFSET 2 /* offset within option */ +#define IPOPT_OFFSET 2 /* offset within option */ #define IPOPT_MINOFF 4 /* min value of above */ /* @@ -165,12 +167,12 @@ struct ip_timestamp { } ipt_timestamp; }; -/* flag bits for ipt_flg */ +/* Flag bits for ipt_flg. */ #define IPOPT_TS_TSONLY 0 /* timestamps only */ #define IPOPT_TS_TSANDADDR 1 /* timestamps and addresses */ #define IPOPT_TS_PRESPEC 3 /* specified modules only */ -/* bits for security (not byte swapped) */ +/* Bits for security (not byte swapped). */ #define IPOPT_SECUR_UNCLASS 0x0000 #define IPOPT_SECUR_CONFID 0xf135 #define IPOPT_SECUR_EFTO 0x789a @@ -186,7 +188,6 @@ struct ip_timestamp { #define IPDEFTTL 64 /* default ttl, from RFC 1340 */ #define IPFRAGTTL 60 /* time to live for frags, slowhz */ #define IPTTLDEC 1 /* subtracted when forwarding */ - #define IP_MSS 576 /* default maximum segment size */ /* |
