1 files changed, 80 insertions, 0 deletions
diff --git a/usr/src/lib/librstp/common/times.c b/usr/src/lib/librstp/common/times.c
new file mode 100644
index 0000000000..b9eae3ceee
--- /dev/null
+++ b/usr/src/lib/librstp/common/times.c
@@ -0,0 +1,80 @@
+/************************************************************************ 
+ * RSTP library - Rapid Spanning Tree (802.1t, 802.1w) 
+ * Copyright (C) 2001-2003 Optical Access 
+ * Author: Alex Rozin 
+ * 
+ * This file is part of RSTP library. 
+ * 
+ * RSTP library is free software; you can redistribute it and/or modify it 
+ * under the terms of the GNU Lesser General Public License as published by the 
+ * Free Software Foundation; version 2.1 
+ * 
+ * RSTP library is distributed in the hope that it will be useful, but 
+ * WITHOUT ANY WARRANTY; without even the implied warranty of 
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU Lesser 
+ * General Public License for more details. 
+ * 
+ * You should have received a copy of the GNU Lesser General Public License 
+ * along with RSTP library; see the file COPYING.  If not, write to the Free 
+ * Software Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 
+ * 02111-1307, USA. 
+ **********************************************************************/
+
+/* "Times" API : bridgeTime, rootTimes, portTimes, designatedTimes, msgTimes */
+ 
+#include "base.h"
+
+int
+STP_compare_times (IN TIMEVALUES_T *t1, IN TIMEVALUES_T *t2)
+{
+  if (t1->MessageAge < t2->MessageAge)     return -1;
+  if (t1->MessageAge > t2->MessageAge)     return  1;
+
+  if (t1->MaxAge < t2->MaxAge)             return -2;
+  if (t1->MaxAge > t2->MaxAge)             return  2;
+
+  if (t1->ForwardDelay < t2->ForwardDelay) return -3;
+  if (t1->ForwardDelay > t2->ForwardDelay) return  3;
+
+  if (t1->HelloTime < t2->HelloTime)       return -4;
+  if (t1->HelloTime > t2->HelloTime)       return  4;
+
+  return 0;
+}
+
+void
+STP_get_times (IN BPDU_BODY_T *b, OUT TIMEVALUES_T *v)
+{
+  /* LINTED: alignment */
+  v->MessageAge =   ntohs (*((unsigned short*) b->message_age))   >> 8;
+  /* LINTED: alignment */
+  v->MaxAge =       ntohs (*((unsigned short*) b->max_age))       >> 8;
+  /* LINTED: alignment */
+  v->ForwardDelay = ntohs (*((unsigned short*) b->forward_delay)) >> 8;
+  /* LINTED: alignment */
+  v->HelloTime =    ntohs (*((unsigned short*) b->hello_time))    >> 8;
+}
+
+void
+STP_set_times (IN TIMEVALUES_T *v, OUT BPDU_BODY_T *b)
+{
+  unsigned short mt;
+  #define STP_SET_TIME(f, t)        \
+     mt = htons (f << 8);           \
+     (void) memcpy (t, &mt, 2); 
+  
+  STP_SET_TIME(v->MessageAge,   b->message_age);
+  STP_SET_TIME(v->MaxAge,       b->max_age);
+  STP_SET_TIME(v->ForwardDelay, b->forward_delay);
+  STP_SET_TIME(v->HelloTime,    b->hello_time);
+}
+
+void 
+STP_copy_times (OUT TIMEVALUES_T *t, IN TIMEVALUES_T *f)
+{
+  t->MessageAge = f->MessageAge;
+  t->MaxAge = f->MaxAge;
+  t->ForwardDelay = f->ForwardDelay;
+  t->HelloTime = f->HelloTime;
+}
+