OpenSolaris Launch

1 files changed, 110 insertions, 0 deletions

diff --git a/usr/src/uts/common/netinet/tcp.h b/usr/src/uts/common/netinet/tcp.h
new file mode 100644
index 0000000000..046015d7c9
--- /dev/null
+++ b/usr/src/uts/common/netinet/tcp.h
@@ -0,0 +1,110 @@
+/*
+ * Copyright 2005 Sun Microsystems, Inc.  All rights reserved.
+ * Use is subject to license terms.
+ */
+
+/*
+ * Copyright (c) 1982, 1986 Regents of the University of California.
+ * All rights reserved.  The Berkeley software License Agreement
+ * specifies the terms and conditions for redistribution.
+ */
+
+#ifndef	_NETINET_TCP_H
+#define	_NETINET_TCP_H
+
+#pragma ident	"%Z%%M%	%I%	%E% SMI"
+/* tcp.h 1.11 88/08/19 SMI; from UCB 7.2 10/28/86	*/
+
+
+#include <sys/isa_defs.h>
+#include <sys/inttypes.h>
+
+#ifdef	__cplusplus
+extern "C" {
+#endif
+
+typedef	uint32_t	tcp_seq;
+/*
+ * TCP header.
+ * Per RFC 793, September, 1981.
+ */
+struct tcphdr {
+	uint16_t	th_sport;	/* source port */
+	uint16_t	th_dport;	/* destination port */
+	tcp_seq		th_seq;		/* sequence number */
+	tcp_seq		th_ack;		/* acknowledgement number */
+#ifdef _BIT_FIELDS_LTOH
+	uint_t	th_x2:4,		/* (unused) */
+		th_off:4;		/* data offset */
+#else
+	uint_t	th_off:4,		/* data offset */
+		th_x2:4;		/* (unused) */
+#endif
+	uchar_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_ECE	0x40
+#define	TH_CWR	0x80
+	uint16_t	th_win;		/* window */
+	uint16_t	th_sum;		/* checksum */
+	uint16_t	th_urp;		/* urgent pointer */
+};
+
+#define	TCPOPT_EOL	0
+#define	TCPOPT_NOP	1
+#define	TCPOPT_MAXSEG	2
+#define	TCPOPT_WSCALE	3
+#define	TCPOPT_SACK_PERMITTED	4
+#define	TCPOPT_SACK	5
+#define	TCPOPT_TSTAMP	8
+
+/*
+ * Default maximum segment size for TCP.
+ * With an IP MTU of 576, this is 536.
+ */
+#define	TCP_MSS	536
+
+/*
+ * Options for use with [gs]etsockopt at the TCP level.
+ *
+ * Note: Some of the TCP_ namespace has conflict with and
+ * and is exposed through <xti.h>. (It also requires exposing
+ * options not implemented). The options with potential
+ * for conflicts use #ifndef guards.
+ */
+#ifndef TCP_NODELAY
+#define	TCP_NODELAY	0x01	/* don't delay send to coalesce packets */
+#endif
+
+#ifndef TCP_MAXSEG
+#define	TCP_MAXSEG	0x02	/* set maximum segment size */
+#endif
+
+#ifndef TCP_KEEPALIVE
+#define	TCP_KEEPALIVE	0x8	/* set keepalive timer */
+#endif
+
+
+#define	TCP_NOTIFY_THRESHOLD		0x10
+#define	TCP_ABORT_THRESHOLD		0x11
+#define	TCP_CONN_NOTIFY_THRESHOLD	0x12
+#define	TCP_CONN_ABORT_THRESHOLD	0x13
+#define	TCP_RECVDSTADDR			0x14
+#define	TCP_INIT_CWND			0x15
+#define	TCP_KEEPALIVE_THRESHOLD		0x16
+#define	TCP_KEEPALIVE_ABORT_THRESHOLD	0x17
+#define	TCP_CORK			0x18
+
+/* gap for expansion of ``standard'' options */
+#define	TCP_ANONPRIVBIND		0x20	/* for internal use only  */
+#define	TCP_EXCLBIND			0x21	/* for internal use only  */
+
+#ifdef	__cplusplus
+}
+#endif
+
+#endif	/* _NETINET_TCP_H */