xnu-344.49.tar.gz

[apple/xnu.git] / bsd / netinet / tcp.h

diff --git a/bsd/netinet/tcp.h b/bsd/netinet/tcp.h
index 5cd425b9ccbd2b8b62fde1886e0212a341bb397b..85ea2021a27c9daa5705085cf121da8b0570e6e8 100644 (file)
--- a/bsd/netinet/tcp.h
+++ b/bsd/netinet/tcp.h
@@ -3,19 +3,22 @@
  *
  * @APPLE_LICENSE_HEADER_START@
  * 
- * The contents of this file constitute Original Code as defined in and
- * are subject to the Apple Public Source License Version 1.1 (the
- * "License").  You may not use this file except in compliance with the
- * License.  Please obtain a copy of the License at
- * http://www.apple.com/publicsource and read it before using this file.
+ * Copyright (c) 1999-2003 Apple Computer, Inc.  All Rights Reserved.
  * 
- * This Original Code and all software distributed under the License are
- * distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY KIND, EITHER
+ * This file contains Original Code and/or Modifications of Original Code
+ * as defined in and that are subject to the Apple Public Source License
+ * Version 2.0 (the 'License'). You may not use this file except in
+ * compliance with the License. Please obtain a copy of the License at
+ * http://www.opensource.apple.com/apsl/ and read it before using this
+ * file.
+ * 
+ * The Original Code and all software distributed under the License are
+ * distributed on an 'AS IS' basis, WITHOUT WARRANTY OF ANY KIND, EITHER
  * EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES,
  * INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY,
- * FITNESS FOR A PARTICULAR PURPOSE OR NON-INFRINGEMENT.  Please see the
- * License for the specific language governing rights and limitations
- * under the License.
+ * FITNESS FOR A PARTICULAR PURPOSE, QUIET ENJOYMENT OR NON-INFRINGEMENT.
+ * Please see the License for the specific language governing rights and
+ * limitations under the License.
  * 
  * @APPLE_LICENSE_HEADER_END@
  */
@@ -52,10 +55,12 @@
  * SUCH DAMAGE.
  *
  *     @(#)tcp.h       8.1 (Berkeley) 6/10/93
+ * $FreeBSD: src/sys/netinet/tcp.h,v 1.13.2.3 2001/03/01 22:08:42 jlemon Exp $
  */
 
 #ifndef _NETINET_TCP_H_
 #define _NETINET_TCP_H_
+#include <sys/appleapiopts.h>
 
 typedef        u_int32_t tcp_seq;
 typedef u_int32_t tcp_cc;              /* connection count per rfc1644 */
@@ -87,7 +92,9 @@ struct tcphdr {
 #define        TH_PUSH 0x08
 #define        TH_ACK  0x10
 #define        TH_URG  0x20
-#define TH_FLAGS (TH_FIN|TH_SYN|TH_RST|TH_ACK|TH_URG)
+#define        TH_ECE  0x40
+#define        TH_CWR  0x80
+#define        TH_FLAGS        (TH_FIN|TH_SYN|TH_RST|TH_ACK|TH_URG|TH_ECE|TH_CWR)
 
        u_short th_win;                 /* window */
        u_short th_sum;                 /* checksum */
@@ -138,6 +145,8 @@ struct tcphdr {
 
 #define TCP_MAX_WINSHIFT       14      /* maximum window shift */
 
+#define TCP_MAXBURST           4       /* maximum segments in a burst */
+
 #define TCP_MAXHLEN    (0xf<<2)        /* max length of header in bytes */
 #define TCP_MAXOLEN    (TCP_MAXHLEN - sizeof(struct tcphdr))
                                        /* max space left for options */