/*
* Copyright (c) 2000 Apple Computer, Inc. All rights reserved.
*
- * @APPLE_LICENSE_HEADER_START@
- *
+ * @APPLE_OSREFERENCE_LICENSE_HEADER_START@
+ *
* 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.
- *
+ * compliance with the License. The rights granted to you under the License
+ * may not be used to create, or enable the creation or redistribution of,
+ * unlawful or unlicensed copies of an Apple operating system, or to
+ * circumvent, violate, or enable the circumvention or violation of, any
+ * terms of an Apple operating system software license agreement.
+ *
+ * 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,
* 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@
+ *
+ * @APPLE_OSREFERENCE_LICENSE_HEADER_END@
*/
/*
* Copyright (c) 1982, 1986, 1993
* Per RFC793, September, 1981.
*/
-#define TCP_NSTATES 11
+#define TCP_NSTATES 11
-#define TCPS_CLOSED 0 /* closed */
-#define TCPS_LISTEN 1 /* listening for connection */
-#define TCPS_SYN_SENT 2 /* active, have sent syn */
-#define TCPS_SYN_RECEIVED 3 /* have send and received syn */
+#define TCPS_CLOSED 0 /* closed */
+#define TCPS_LISTEN 1 /* listening for connection */
+#define TCPS_SYN_SENT 2 /* active, have sent syn */
+#define TCPS_SYN_RECEIVED 3 /* have send and received syn */
/* states < TCPS_ESTABLISHED are those where connections not established */
-#define TCPS_ESTABLISHED 4 /* established */
-#define TCPS_CLOSE_WAIT 5 /* rcvd fin, waiting for close */
+#define TCPS_ESTABLISHED 4 /* established */
+#define TCPS_CLOSE_WAIT 5 /* rcvd fin, waiting for close */
/* states > TCPS_CLOSE_WAIT are those where user has closed */
-#define TCPS_FIN_WAIT_1 6 /* have closed, sent fin */
-#define TCPS_CLOSING 7 /* closed xchd FIN; await FIN ACK */
-#define TCPS_LAST_ACK 8 /* had fin and close; await FIN ACK */
+#define TCPS_FIN_WAIT_1 6 /* have closed, sent fin */
+#define TCPS_CLOSING 7 /* closed xchd FIN; await FIN ACK */
+#define TCPS_LAST_ACK 8 /* had fin and close; await FIN ACK */
/* states > TCPS_CLOSE_WAIT && < TCPS_FIN_WAIT_2 await ACK of FIN */
-#define TCPS_FIN_WAIT_2 9 /* have closed, fin is acked */
-#define TCPS_TIME_WAIT 10 /* in 2*msl quiet wait after close */
+#define TCPS_FIN_WAIT_2 9 /* have closed, fin is acked */
+#define TCPS_TIME_WAIT 10 /* in 2*msl quiet wait after close */
/* for KAME src sync over BSD*'s */
-#define TCP6_NSTATES TCP_NSTATES
-#define TCP6S_CLOSED TCPS_CLOSED
-#define TCP6S_LISTEN TCPS_LISTEN
-#define TCP6S_SYN_SENT TCPS_SYN_SENT
-#define TCP6S_SYN_RECEIVED TCPS_SYN_RECEIVED
-#define TCP6S_ESTABLISHED TCPS_ESTABLISHED
-#define TCP6S_CLOSE_WAIT TCPS_CLOSE_WAIT
-#define TCP6S_FIN_WAIT_1 TCPS_FIN_WAIT_1
-#define TCP6S_CLOSING TCPS_CLOSING
-#define TCP6S_LAST_ACK TCPS_LAST_ACK
-#define TCP6S_FIN_WAIT_2 TCPS_FIN_WAIT_2
-#define TCP6S_TIME_WAIT TCPS_TIME_WAIT
+#define TCP6_NSTATES TCP_NSTATES
+#define TCP6S_CLOSED TCPS_CLOSED
+#define TCP6S_LISTEN TCPS_LISTEN
+#define TCP6S_SYN_SENT TCPS_SYN_SENT
+#define TCP6S_SYN_RECEIVED TCPS_SYN_RECEIVED
+#define TCP6S_ESTABLISHED TCPS_ESTABLISHED
+#define TCP6S_CLOSE_WAIT TCPS_CLOSE_WAIT
+#define TCP6S_FIN_WAIT_1 TCPS_FIN_WAIT_1
+#define TCP6S_CLOSING TCPS_CLOSING
+#define TCP6S_LAST_ACK TCPS_LAST_ACK
+#define TCP6S_FIN_WAIT_2 TCPS_FIN_WAIT_2
+#define TCP6S_TIME_WAIT TCPS_TIME_WAIT
-#define TCPS_HAVERCVDSYN(s) ((s) >= TCPS_SYN_RECEIVED)
-#define TCPS_HAVEESTABLISHED(s) ((s) >= TCPS_ESTABLISHED)
-#define TCPS_HAVERCVDFIN(s) ((s) >= TCPS_TIME_WAIT)
+#define TCPS_HAVERCVDSYN(s) ((s) >= TCPS_SYN_RECEIVED)
+#define TCPS_HAVEESTABLISHED(s) ((s) >= TCPS_ESTABLISHED)
+#define TCPS_HAVERCVDFIN(s) ((s) >= TCPS_TIME_WAIT)
+#define TCPS_HAVERCVDFIN2(s) ((s) == TCPS_CLOSE_WAIT || \
+ (s) == TCPS_CLOSING || \
+ (s) == TCPS_LAST_ACK || \
+ (s) == TCPS_TIME_WAIT)
#ifdef KERNEL_PRIVATE
-#ifdef TCPOUTFLAGS
+#ifdef TCPOUTFLAGS
/*
* Flags used when sending segments in tcp_output.
* Basic flags (TH_RST,TH_ACK,TH_SYN,TH_FIN) are totally
* determined by state, with the proviso that TH_FIN is sent only
* if all data queued for output is included in the segment.
*/
-static u_char tcp_outflags[TCP_NSTATES] = {
- TH_RST|TH_ACK, /* 0, CLOSED */
- 0, /* 1, LISTEN */
- TH_SYN, /* 2, SYN_SENT */
- TH_SYN|TH_ACK, /* 3, SYN_RECEIVED */
- TH_ACK, /* 4, ESTABLISHED */
- TH_ACK, /* 5, CLOSE_WAIT */
- TH_FIN|TH_ACK, /* 6, FIN_WAIT_1 */
- TH_FIN|TH_ACK, /* 7, CLOSING */
- TH_FIN|TH_ACK, /* 8, LAST_ACK */
- TH_ACK, /* 9, FIN_WAIT_2 */
- TH_ACK, /* 10, TIME_WAIT */
-};
+static u_char tcp_outflags[TCP_NSTATES] = {
+ TH_RST | TH_ACK, /* 0, CLOSED */
+ 0, /* 1, LISTEN */
+ TH_SYN, /* 2, SYN_SENT */
+ TH_SYN | TH_ACK, /* 3, SYN_RECEIVED */
+ TH_ACK, /* 4, ESTABLISHED */
+ TH_ACK, /* 5, CLOSE_WAIT */
+ TH_FIN | TH_ACK, /* 6, FIN_WAIT_1 */
+ TH_FIN | TH_ACK, /* 7, CLOSING */
+ TH_FIN | TH_ACK, /* 8, LAST_ACK */
+ TH_ACK, /* 9, FIN_WAIT_2 */
+ TH_ACK, /* 10, TIME_WAIT */
+};
#endif
-#endif KERNEL_PRIVATE
+#endif /* KERNEL_PRIVATE */
#if KPROF
#ifdef KERNEL_PRIVATE
-int tcp_acounts[TCP_NSTATES][PRU_NREQ];
-#endif KERNEL_PRIVATE
+int tcp_acounts[TCP_NSTATES][PRU_NREQ];
+#endif /* KERNEL_PRIVATE */
#endif
-#ifdef TCPSTATES
+#ifdef TCPSTATES
char *tcpstates[] = {
- "CLOSED", "LISTEN", "SYN_SENT", "SYN_RCVD",
- "ESTABLISHED", "CLOSE_WAIT", "FIN_WAIT_1", "CLOSING",
- "LAST_ACK", "FIN_WAIT_2", "TIME_WAIT"
+ "CLOSED", "LISTEN", "SYN_SENT", "SYN_RCVD",
+ "ESTABLISHED", "CLOSE_WAIT", "FIN_WAIT_1", "CLOSING",
+ "LAST_ACK", "FIN_WAIT_2", "TIME_WAIT"
};
#endif
projects / apple / xnu.git / blobdiff