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authorEric Andersen <andersen@codepoet.org>2001-09-27 05:21:15 +0000
committerEric Andersen <andersen@codepoet.org>2001-09-27 05:21:15 +0000
commite83a36ce9f97ac0f59117b3a62fd2dd8461b1fd5 (patch)
tree85ce10f2fc87fba69e07a13d7036d074e195dea7 /include/netinet/tcp.h
parent65eee187317b93773d2409d0e7e2814d34c6a0e1 (diff)
Rev all the header files to sync things with glibc 2.2.4
Diffstat (limited to 'include/netinet/tcp.h')
-rw-r--r--include/netinet/tcp.h157
1 files changed, 108 insertions, 49 deletions
diff --git a/include/netinet/tcp.h b/include/netinet/tcp.h
index 36976369e..87099ec14 100644
--- a/include/netinet/tcp.h
+++ b/include/netinet/tcp.h
@@ -10,10 +10,6 @@
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
- * 3. All advertising materials mentioning features or use of this software
- * must display the following acknowledgement:
- * This product includes software developed by the University of
- * California, Berkeley and its contributors.
* 4. Neither the name of the University nor the names of its contributors
* may be used to endorse or promote products derived from this software
* without specific prior written permission.
@@ -37,11 +33,27 @@
#define _NETINET_TCP_H 1
#include <features.h>
-#include <sys/types.h>
-__BEGIN_DECLS
+/*
+ * User-settable options (used with setsockopt).
+ */
+#define TCP_NODELAY 1 /* Don't delay send to coalesce packets */
+#define TCP_MAXSEG 2 /* Set maximum segment size */
+#define TCP_CORK 3 /* Control sending of partial frames */
+#define TCP_KEEPIDLE 4 /* Start keeplives after this period */
+#define TCP_KEEPINTVL 5 /* Interval between keepalives */
+#define TCP_KEEPCNT 6 /* Number of keepalives before death */
+#define TCP_SYNCNT 7 /* Number of SYN retransmits */
+#define TCP_LINGER2 8 /* Life time of orphaned FIN-WAIT-2 state */
+#define TCP_DEFER_ACCEPT 9 /* Wake up listener only when data arrive */
+#define TCP_WINDOW_CLAMP 10 /* Bound advertised window */
+#define TCP_INFO 11 /* Information about this connection. */
+#define TCP_QUICKACK 12 /* Bock/reenable quick ACKs. */
-#ifdef __FAVOR_BSD
+#ifdef __USE_MISC
+# include <sys/types.h>
+
+# ifdef __FAVOR_BSD
typedef u_int32_t tcp_seq;
/*
* TCP header.
@@ -53,34 +65,34 @@ 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;
@@ -90,7 +102,7 @@ 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;
@@ -100,14 +112,14 @@ 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
{
@@ -124,20 +136,20 @@ 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)
/*
@@ -146,21 +158,68 @@ 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 */
+# 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 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 SOL_TCP 6 /* TCP level */
+/* Values for tcpi_state. */
+enum tcp_ca_state
+{
+ TCP_CA_Open = 0,
+ TCP_CA_Disorder = 1,
+ TCP_CA_CWR = 2,
+ TCP_CA_Recovery = 3,
+ TCP_CA_Loss = 4
+};
+
+struct tcp_info
+{
+ u_int8_t tcpi_state;
+ u_int8_t tcpi_ca_state;
+ u_int8_t tcpi_retransmits;
+ u_int8_t tcpi_probes;
+ u_int8_t tcpi_backoff;
+ u_int8_t tcpi_options;
+ u_int8_t tcpi_snd_wscale : 4, tcpi_rcv_wscale : 4;
+
+ u_int32_t tcpi_rto;
+ u_int32_t tcpi_ato;
+ u_int32_t tcpi_snd_mss;
+ u_int32_t tcpi_rcv_mss;
+
+ u_int32_t tcpi_unacked;
+ u_int32_t tcpi_sacked;
+ u_int32_t tcpi_lost;
+ u_int32_t tcpi_retrans;
+ u_int32_t tcpi_fackets;
+
+ /* Times. */
+ u_int32_t tcpi_last_data_sent;
+ u_int32_t tcpi_last_ack_sent; /* Not remembered, sorry. */
+ u_int32_t tcpi_last_data_recv;
+ u_int32_t tcpi_last_ack_recv;
+
+ /* Metrics. */
+ u_int32_t tcpi_pmtu;
+ u_int32_t tcpi_rcv_ssthresh;
+ u_int32_t tcpi_rtt;
+ u_int32_t tcpi_rttvar;
+ u_int32_t tcpi_snd_ssthresh;
+ u_int32_t tcpi_snd_cwnd;
+ u_int32_t tcpi_advmss;
+ u_int32_t tcpi_reordering;
+};
-__END_DECLS
+#endif /* Misc. */
#endif /* netinet/tcp.h */