/*
* Copyright (c) 2000 Apple Computer, Inc. All rights reserved.
*
- * @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.
- *
- * This Original Code and all software distributed under the License are
- * distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY KIND, EITHER
+ * @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. 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,
* 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.
- *
- * @APPLE_LICENSE_HEADER_END@
+ * 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_OSREFERENCE_LICENSE_HEADER_END@
*/
/*
* Copyright (c) 1982, 1986, 1993, 1995
* on with modular arithmetic. These macros can be
* used to compare such integers.
*/
-#define SEQ_LT(a,b) ((int)((a)-(b)) < 0)
-#define SEQ_LEQ(a,b) ((int)((a)-(b)) <= 0)
-#define SEQ_GT(a,b) ((int)((a)-(b)) > 0)
-#define SEQ_GEQ(a,b) ((int)((a)-(b)) >= 0)
+#define SEQ_LT(a, b) ((int)((a)-(b)) < 0)
+#define SEQ_LEQ(a, b) ((int)((a)-(b)) <= 0)
+#define SEQ_GT(a, b) ((int)((a)-(b)) > 0)
+#define SEQ_GEQ(a, b) ((int)((a)-(b)) >= 0)
+
+#define SEQ_MIN(a, b) ((SEQ_LT(a, b)) ? (a) : (b))
+#define SEQ_MAX(a, b) ((SEQ_GT(a, b)) ? (a) : (b))
/* for modulo comparisons of timestamps */
-#define TSTMP_LT(a,b) ((int)((a)-(b)) < 0)
-#define TSTMP_GEQ(a,b) ((int)((a)-(b)) >= 0)
+#define TSTMP_LT(a, b) ((int)((a)-(b)) < 0)
+#define TSTMP_GT(a, b) ((int)((a)-(b)) > 0)
+#define TSTMP_LEQ(a, b) ((int)((a)-(b)) <= 0)
+#define TSTMP_GEQ(a, b) ((int)((a)-(b)) >= 0)
/*
* TCP connection counts are 32 bit integers operated
* on with modular arithmetic. These macros can be
* used to compare such integers.
*/
-#define CC_LT(a,b) ((int)((a)-(b)) < 0)
-#define CC_LEQ(a,b) ((int)((a)-(b)) <= 0)
-#define CC_GT(a,b) ((int)((a)-(b)) > 0)
-#define CC_GEQ(a,b) ((int)((a)-(b)) >= 0)
+#define CC_LT(a, b) ((int)((a)-(b)) < 0)
+#define CC_LEQ(a, b) ((int)((a)-(b)) <= 0)
+#define CC_GT(a, b) ((int)((a)-(b)) > 0)
+#define CC_GEQ(a, b) ((int)((a)-(b)) >= 0)
/* Macro to increment a CC: skip 0 which has a special meaning */
-#define CC_INC(c) (++(c) == 0 ? ++(c) : (c))
+#define CC_INC(c) (++(c) == 0 ? ++(c) : (c))
-#ifdef __APPLE_API_PRIVATE
+#ifdef KERNEL_PRIVATE
/*
* Macros to initialize tcp sequence numbers for
* send and receive from initial send and receive
* sequence numbers.
*/
-#define tcp_rcvseqinit(tp) \
+#define tcp_rcvseqinit(tp) \
(tp)->rcv_adv = (tp)->rcv_nxt = (tp)->irs + 1
-#define tcp_sendseqinit(tp) \
+#define tcp_sendseqinit(tp) \
(tp)->snd_una = (tp)->snd_nxt = (tp)->snd_max = (tp)->snd_up = \
- (tp)->iss
-
-#define TCP_PAWS_IDLE (24 * 24 * 60 * 60 * PR_SLOWHZ)
- /* timestamp wrap-around time */
-#endif /* __APPLE_API_PRIVATE */
+ (tp)->snd_recover = (tp)->send_highest_sack = (tp)->iss
-#ifdef KERNEL
-#ifdef __APPLE_API_PRIVATE
-extern tcp_cc tcp_ccgen; /* global connection count */
-#endif /* __APPLE_API_PRIVATE */
-#endif /* KERNEL */
+#define TCP_PAWS_IDLE (24 * 24 * 60 * 60 * TCP_RETRANSHZ)
+/* timestamp wrap-around time */
+#endif /* KERNEL_PRIVATE */
#endif /* _NETINET_TCP_SEQ_H_ */
projects / apple / xnu.git / blobdiff