Changeset 183 for trunk/src/emx/include/netinet/tcp.h

Timestamp:

May 19, 2003, 4:41:00 AM (22 years ago)

Author:

bird

Message:

#434: Initial tcpip header merges.

File:

• trunk/src/emx/include/netinet/tcp.h (modified) (6 diffs, 1 prop)

trunk/src/emx/include/netinet/tcp.h

@@ -1 +1 @@
 /* Modified for emx by hv 1996
+ * Modified for gcc/os2 by bird 2003
  *
  * Copyright (c) 1982, 1986 Regents of the University of California.
@@ -46 +47 @@
  * Per RFC 793, September, 1981.
  */
+#pragma pack(1)
 struct tcphdr {
         u_short th_sport;               /* source port */
@@ -51 +53 @@
         tcp_seq th_seq;                 /* sequence number */
         tcp_seq th_ack;                 /* acknowledgement number */
+#ifdef TCPV40HDRS
+#if BYTE_ORDER == LITTLE_ENDIAN
+        u_int   th_x2:4,                /* (unused) */
+                th_off:4,               /* data offset */
+                th_flags:8,
+                th_win:16;
+#endif
+#if BYTE_ORDER == BIG_ENDIAN
+        u_int   th_win:16,
+                th_flags:8,
+                th_off:4,               /* data offset */
+                th_x2:4;                /* (unused) */
+#endif
+#define TH_FIN  0x01
+#define TH_SYN  0x02
+#define TH_RST  0x04
+#define TH_PUSH 0x08
+#define TH_ACK  0x10
+#define TH_URG  0x20
+#else
 #if BYTE_ORDER == LITTLE_ENDIAN
         u_char  th_x2:4,                /* (unused) */
@@ -67 +89 @@
 #define TH_URG  0x20
         u_short th_win;                 /* window */
+#endif
         u_short th_sum;                 /* checksum */
         u_short th_urp;                 /* urgent pointer */
 };
+#pragma pack()
 
 #define TCPOPT_EOL      0
 #define TCPOPT_NOP      1
 #define TCPOPT_MAXSEG   2
+#ifndef TCPV40HDRS
+#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_CC               11              /* CC options: RFC-1644 */
+#define TCPOPT_CCNEW            12
+#define TCPOPT_CCECHO           13
+#define    TCPOLEN_CC                   6
+#define    TCPOLEN_CC_APPA              (TCPOLEN_CC+2)
+#define    TCPOPT_CC_HDR(ccopt)         \
+    (TCPOPT_NOP<<24|TCPOPT_NOP<<16|(ccopt)<<8|TCPOLEN_CC)
+#define TTCP_CLIENT_SND_WND   4096 /* dflt send window of ttcp client */
+#define TCPOPT_TSTAMP_HDR       \
+    (TCPOPT_NOP<<24|TCPOPT_NOP<<16|TCPOPT_TIMESTAMP<<8|TCPOLEN_TIMESTAMP)
+#endif /*!TCPV40HDRS*/
 
 /*
@@ -81 +127 @@
  * This should be defined as MIN(512, IP_MSS - sizeof (struct tcpiphdr)).
  */
+#ifdef TCPV40HDRS
+#ifdef  lint
+#define TCP_MSS 536
+#else
+#ifndef IP_MSS
+#define IP_MSS  576
+#endif
+#define TCP_MSS MIN(512, IP_MSS - 40)
+#endif
+#else /* TCPV40HDRS*/
 #define TCP_MSS 512
+#endif
 
 #define TCP_MAXWIN      65535           /* largest value for window */
+
+#ifndef TCPV40HDRS
+#define TCP_MAX_WINSHIFT        14      /* maximum window shift */
+#endif
 
 /*
@@ -90 +151 @@
 #define TCP_NODELAY     0x01    /* don't delay send to coalesce packets */
 #define TCP_MAXSEG      0x02    /* set maximum segment size */
+#ifndef TCPV40HDRS
+#define TCP_MSL         0x03    /* MSL HACK */
+#define TCP_TIMESTMP    0x04    /* RFC 1323 (RTTM TimeStamp)   */
+#define TCP_WINSCALE    0x05    /* RFC 1323 (Window Scale)     */
+#define TCP_CC          0x06    /* RFC 1644 (Connection Count) */
+#ifdef VEGAS
+#define TCP_TAHOE                       3
+#define TCP_RENO                        4
+#define TCP_VEGAS                       5
+#define TCP_VEGAS_SPIKE_ON              6
+#define TCP_VEGAS_EXP_INC_OFF           7
+#define TCP_VEGAS_CONG_DETECT_OFF       8
+#define TCP_VEGAS_24                    9
+#define TCP_VEGAS_CONG_DETECT_PRED_ON   10
+#endif
+#endif /*!TCPV40HDS*/
 
-/* hv: this is a new data structure in TCPIPV4. */
-#ifdef TCPIPV4
+#ifdef TCPV40HDRS
 #include <netinet/tcp_var.h>
 #endif