BSD 4_4 release

[unix-history] / usr / src / sys / netiso / tuba_table.h

diff --git a/usr/src/sys/netiso/tuba_table.h b/usr/src/sys/netiso/tuba_table.h
index 7a7737c..6be8afa 100644 (file)
--- a/usr/src/sys/netiso/tuba_table.h
+++ b/usr/src/sys/netiso/tuba_table.h
@@ -1,10 +1,36 @@
 /*-
 /*-

- * Copyright (c) 1992 The Regents of the University of California.
- * All rights reserved.
+ * Copyright (c) 1992, 1993
+ *     The Regents of the University of California.  All rights reserved.

  *
  *

- * %sccs.include.redist.c%
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 1. Redistributions of source code must retain the above copyright
+ *    notice, this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ *    notice, this list of conditions and the following disclaimer in the
+ *    documentation and/or other materials provided with the distribution.
+ * 3. All advertising materials mentioning features or use of this software
+ *    must display the following acknowledgement:
+ *     This product includes software developed by the University of
+ *     California, Berkeley and its contributors.
+ * 4. Neither the name of the University nor the names of its contributors
+ *    may be used to endorse or promote products derived from this software
+ *    without specific prior written permission.

  *
  *

- *     @(#)tuba_table.h        7.4 (Berkeley) %G%
+ * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
+ * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+ * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
+ * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
+ * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
+ * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
+ * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
+ * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
+ * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
+ * SUCH DAMAGE.
+ *
+ *     @(#)tuba_table.h        8.1 (Berkeley) 6/10/93

  */
 
 struct tuba_cache {
  */
 
 struct tuba_cache {


@@ -14,17 +40,20 @@ struct tuba_cache {
        int     tc_flags;
 #define TCF_PERM       1
        int     tc_index;
        int     tc_flags;
 #define TCF_PERM       1
        int     tc_index;

-       u_short tc_sum_in;                      /* for inbound cksum */
-       u_short tc_sum_out;                     /* for outbound cksum */
-       struct  iso_addr tc_addr;
+       u_short tc_sum;                         /* cksum of nsap inc. length */
+       u_short tc_ssum;                        /* swab(tc_sum) */
+       struct  sockaddr_iso tc_siso;           /* for responding */

 };
 
 #define ADDCARRY(x)  (x >= 65535 ? x -= 65535 : x)
 #define REDUCE(a, b) { union { u_short s[2]; long l;} l_util; long x; \
 };
 
 #define ADDCARRY(x)  (x >= 65535 ? x -= 65535 : x)
 #define REDUCE(a, b) { union { u_short s[2]; long l;} l_util; long x; \

-       l_util.l = (b); x = l_util.s[0] + l_util.s[1]; ADDCARRY(x); a = x;}
+       l_util.l = (b); x = l_util.s[0] + l_util.s[1]; ADDCARRY(x); \
+       if (x == 0) x = 0xffff; a = x;}
+#define SWAB(a, b) { union { u_char c[2]; u_short s;} s; u_char t; \
+       s.s = (b); t = s.c[0]; s.c[0] = s.c[1]; s.c[1] = t; a = s.s;}

 
 #ifdef KERNEL
 
 #ifdef KERNEL

-extern int     tuba_table_size;
-extern struct  tuba_cache **tuba_table;
-extern struct  radix_node_head *tuba_tree;
+extern int     tuba_table_size;
+extern struct  tuba_cache **tuba_table;
+extern struct  radix_node_head *tuba_tree;

 #endif
 #endif