diff options
Diffstat (limited to 'sysdeps/gnu/netinet')
| -rw-r--r-- | sysdeps/gnu/netinet/tcp.h | 116 |
1 files changed, 58 insertions, 58 deletions
diff --git a/sysdeps/gnu/netinet/tcp.h b/sysdeps/gnu/netinet/tcp.h index ddb1f8b86a..cafb6b1880 100644 --- a/sysdeps/gnu/netinet/tcp.h +++ b/sysdeps/gnu/netinet/tcp.h @@ -33,11 +33,26 @@ #define _NETINET_TCP_H 1 #include <features.h> -#include <sys/types.h> -__BEGIN_DECLS +/* + * User-settable options (used with setsockopt). + */ +#define TCP_NODELAY 0x01 /* Don't delay send to coalesce packets */ +#define TCP_MAXSEG 0x02 /* Set maximum segment size */ +#define TCP_CORK 0x03 /* Control sending of partial frames */ +#define TCP_KEEPIDLE 0x04 /* Start keeplives after this period */ +#define TCP_KEEPINTVL 0x05 /* Interval between keepalives */ +#define TCP_KEEPCNT 0x06 /* Number of keepalives before death */ +#define TCP_SYNCNT 0x07 /* Number of SYN retransmits */ +#define TCP_LINGER2 0x08 /* Life time of orphaned FIN-WAIT-2 state */ +#define TCP_DEFER_ACCEPT 0x09 /* Wake up listener only when data arrive */ +#define TCP_WINDOW_CLAMP 0x10 /* Bound advertised window */ +#define TCP_INFO 0x11 /* Information about this connection. */ + +#ifdef __USE_MISC +# include <sys/types.h> -#ifdef __FAVOR_BSD +# ifdef __FAVOR_BSD typedef u_int32_t tcp_seq; /* * TCP header. @@ -49,34 +64,34 @@ struct tcphdr u_int16_t th_dport; /* destination port */ tcp_seq th_seq; /* sequence number */ tcp_seq th_ack; /* acknowledgement number */ -#if __BYTE_ORDER == __LITTLE_ENDIAN +# if __BYTE_ORDER == __LITTLE_ENDIAN u_int8_t th_x2:4; /* (unused) */ u_int8_t th_off:4; /* data offset */ -#endif -#if __BYTE_ORDER == __BIG_ENDIAN +# endif +# if __BYTE_ORDER == __BIG_ENDIAN u_int8_t th_off:4; /* data offset */ u_int8_t th_x2:4; /* (unused) */ -#endif +# endif u_int8_t th_flags; -#define TH_FIN 0x01 -#define TH_SYN 0x02 -#define TH_RST 0x04 -#define TH_PUSH 0x08 -#define TH_ACK 0x10 -#define TH_URG 0x20 +# define TH_FIN 0x01 +# define TH_SYN 0x02 +# define TH_RST 0x04 +# define TH_PUSH 0x08 +# define TH_ACK 0x10 +# define TH_URG 0x20 u_int16_t th_win; /* window */ u_int16_t th_sum; /* checksum */ u_int16_t th_urp; /* urgent pointer */ }; -#else /* !__FAVOR_BSD */ +# else /* !__FAVOR_BSD */ struct tcphdr { u_int16_t source; u_int16_t dest; u_int32_t seq; u_int32_t ack_seq; -#if __BYTE_ORDER == __LITTLE_ENDIAN +# if __BYTE_ORDER == __LITTLE_ENDIAN u_int16_t res1:4; u_int16_t doff:4; u_int16_t fin:1; @@ -86,7 +101,7 @@ struct tcphdr u_int16_t ack:1; u_int16_t urg:1; u_int16_t res2:2; -#elif __BYTE_ORDER == __BIG_ENDIAN +# elif __BYTE_ORDER == __BIG_ENDIAN u_int16_t doff:4; u_int16_t res1:4; u_int16_t res2:2; @@ -96,14 +111,14 @@ struct tcphdr u_int16_t rst:1; u_int16_t syn:1; u_int16_t fin:1; -#else -#error "Adjust your <bits/endian.h> defines" -#endif +# else +# error "Adjust your <bits/endian.h> defines" +# endif u_int16_t window; u_int16_t check; u_int16_t urg_ptr; }; -#endif /* __FAVOR_BSD */ +# endif /* __FAVOR_BSD */ enum { @@ -120,20 +135,20 @@ enum TCP_CLOSING /* now a valid state */ }; -#define TCPOPT_EOL 0 -#define TCPOPT_NOP 1 -#define TCPOPT_MAXSEG 2 -#define TCPOLEN_MAXSEG 4 -#define TCPOPT_WINDOW 3 -#define TCPOLEN_WINDOW 3 -#define TCPOPT_SACK_PERMITTED 4 /* Experimental */ -#define TCPOLEN_SACK_PERMITTED 2 -#define TCPOPT_SACK 5 /* Experimental */ -#define TCPOPT_TIMESTAMP 8 -#define TCPOLEN_TIMESTAMP 10 -#define TCPOLEN_TSTAMP_APPA (TCPOLEN_TIMESTAMP+2) /* appendix A */ - -#define TCPOPT_TSTAMP_HDR \ +# define TCPOPT_EOL 0 +# define TCPOPT_NOP 1 +# define TCPOPT_MAXSEG 2 +# define TCPOLEN_MAXSEG 4 +# define TCPOPT_WINDOW 3 +# define TCPOLEN_WINDOW 3 +# define TCPOPT_SACK_PERMITTED 4 /* Experimental */ +# define TCPOLEN_SACK_PERMITTED 2 +# define TCPOPT_SACK 5 /* Experimental */ +# define TCPOPT_TIMESTAMP 8 +# define TCPOLEN_TIMESTAMP 10 +# define TCPOLEN_TSTAMP_APPA (TCPOLEN_TIMESTAMP+2) /* appendix A */ + +# define TCPOPT_TSTAMP_HDR \ (TCPOPT_NOP<<24|TCPOPT_NOP<<16|TCPOPT_TIMESTAMP<<8|TCPOLEN_TIMESTAMP) /* @@ -142,34 +157,19 @@ enum * but 512 is probably more convenient. * This should be defined as MIN(512, IP_MSS - sizeof (struct tcpiphdr)). */ -#define TCP_MSS 512 +# define TCP_MSS 512 -#define TCP_MAXWIN 65535 /* largest value for (unscaled) window */ +# define TCP_MAXWIN 65535 /* largest value for (unscaled) window */ -#define TCP_MAX_WINSHIFT 14 /* maximum window shift */ - -/* - * User-settable options (used with setsockopt). - */ -#define TCP_NODELAY 0x01 /* Don't delay send to coalesce packets */ -#define TCP_MAXSEG 0x02 /* Set maximum segment size */ -#define TCP_CORK 0x03 /* Control sending of partial frames */ -#define TCP_KEEPIDLE 0x04 /* Start keeplives after this period */ -#define TCP_KEEPINTVL 0x05 /* Interval between keepalives */ -#define TCP_KEEPCNT 0x06 /* Number of keepalives before death */ -#define TCP_SYNCNT 0x07 /* Number of SYN retransmits */ -#define TCP_LINGER2 0x08 /* Life time of orphaned FIN-WAIT-2 state */ -#define TCP_DEFER_ACCEPT 0x09 /* Wake up listener only when data arrive */ -#define TCP_WINDOW_CLAMP 0x10 /* Bound advertised window */ -#define TCP_INFO 0x11 /* Information about this connection. */ +# define TCP_MAX_WINSHIFT 14 /* maximum window shift */ -#define SOL_TCP 6 /* TCP level */ +# define SOL_TCP 6 /* TCP level */ -#define TCPI_OPT_TIMESTAMPS 1 -#define TCPI_OPT_SACK 2 -#define TCPI_OPT_WSCALE 4 -#define TCPI_OPT_ECN 8 +# define TCPI_OPT_TIMESTAMPS 1 +# define TCPI_OPT_SACK 2 +# define TCPI_OPT_WSCALE 4 +# define TCPI_OPT_ECN 8 /* Values for tcpi_state. */ enum tcp_ca_state @@ -219,6 +219,6 @@ struct tcp_info u_int32_t tcpi_reordering; }; -__END_DECLS +#endif /* Misc. */ #endif /* netinet/tcp.h */ |