PSARC 2007/596 RBridges: Routing Bridges

PSARC 2008/055 Solaris Bridging
PSARC 2009/344 Bridging Updates
6223953 Solaris should provide layer 2 bridging
6770623 bogus error messages generated by dladm should be cleaned up

1 files changed, 183 insertions, 0 deletions

diff --git a/usr/src/lib/librstp/common/vector.c b/usr/src/lib/librstp/common/vector.c
new file mode 100644
index 0000000000..a268b92319
--- /dev/null
+++ b/usr/src/lib/librstp/common/vector.c
@@ -0,0 +1,183 @@
+/************************************************************************ 
+ * 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. 
+ **********************************************************************/
+
+/* STP priority vectors API : 17.4.2 */
+ 
+#include "base.h"
+#include "stp_bpdu.h"
+#include "vector.h"
+#include "stp_vectors.h"
+
+int
+STP_VECT_compare_bridge_id (BRIDGE_ID* b1, BRIDGE_ID* b2)
+{
+  if (b1->prio < b2->prio)
+    return -1;
+
+  if (b1->prio > b2->prio)
+    return 1;
+  return memcmp (b1->addr, b2->addr, 6);
+}
+
+void
+STP_VECT_copy (OUT PRIO_VECTOR_T* t, IN PRIO_VECTOR_T* f)
+{
+  (void) memcpy (t, f, sizeof (PRIO_VECTOR_T));
+}
+
+void
+STP_VECT_create (OUT PRIO_VECTOR_T* t,
+                 IN BRIDGE_ID* root_br,
+                 IN unsigned long root_path_cost,
+                 IN BRIDGE_ID* design_bridge,
+                 IN PORT_ID design_port,
+                 IN PORT_ID bridge_port)
+{
+  (void) memcpy (&t->root_bridge, root_br, sizeof (BRIDGE_ID));
+  t->root_path_cost = root_path_cost;
+  (void) memcpy (&t->design_bridge, design_bridge, sizeof (BRIDGE_ID));
+  t->design_port = design_port;
+  t->bridge_port = bridge_port;
+}
+
+int
+STP_VECT_compare_vector (PRIO_VECTOR_T* v1, PRIO_VECTOR_T* v2)
+{
+  int bridcmp;
+
+  bridcmp = STP_VECT_compare_bridge_id (&v1->root_bridge, &v2->root_bridge);
+  if (bridcmp < 0) return bridcmp;
+
+  if (! bridcmp) {
+    bridcmp = v1->root_path_cost - v2->root_path_cost;
+    if (bridcmp < 0) return bridcmp;
+    if (! bridcmp) {
+      bridcmp = STP_VECT_compare_bridge_id (&v1->design_bridge, &v2->design_bridge);
+      if (bridcmp < 0) return bridcmp;
+      if (! bridcmp) {
+        bridcmp = v1->design_port - v2->design_port;
+        if (bridcmp < 0) return bridcmp;
+        if (! bridcmp)
+          return v1->bridge_port - v2->bridge_port;
+      }
+    }
+  }
+
+  return bridcmp;
+}
+
+static unsigned short
+stp_vect_get_short (IN unsigned char* f)
+{
+  /* LINTED: alignment */
+  return ntohs (*(unsigned short *)f);
+}
+
+static void
+stp_vect_set_short (IN unsigned short f, OUT unsigned char* t)
+{
+  /* LINTED: alignment */
+  *(unsigned short *)t = htons (f);
+}
+
+static void
+stp_vect_get_bridge_id (IN unsigned char* c_br, OUT BRIDGE_ID* bridge_id)
+{
+  bridge_id->prio = stp_vect_get_short (c_br);
+  (void) memcpy (bridge_id->addr, c_br + 2, 6);
+}
+
+static void
+stp_vect_set_bridge_id (IN BRIDGE_ID* bridge_id, OUT unsigned char* c_br)
+{
+  stp_vect_set_short (bridge_id->prio, c_br);
+  (void) memcpy (c_br + 2, bridge_id->addr, 6);
+}
+
+void
+STP_VECT_get_vector (IN BPDU_BODY_T* b, OUT PRIO_VECTOR_T* v)
+{
+  stp_vect_get_bridge_id (b->root_id, &v->root_bridge);
+
+  /* LINTED: alignment */
+  v->root_path_cost = ntohl (*((long*) b->root_path_cost));
+
+  stp_vect_get_bridge_id (b->bridge_id, &v->design_bridge);
+
+  v->design_port = stp_vect_get_short (b->port_id);
+}
+
+void
+STP_VECT_set_vector (IN PRIO_VECTOR_T* v, OUT BPDU_BODY_T* b)
+{
+  unsigned long root_path_cost;
+
+  stp_vect_set_bridge_id (&v->root_bridge, b->root_id);
+
+  root_path_cost = htonl (v->root_path_cost);
+  (void) memcpy (b->root_path_cost, &root_path_cost, 4);
+
+  stp_vect_set_bridge_id (&v->design_bridge, b->bridge_id);
+
+  stp_vect_set_short (v->design_port, b->port_id);
+}
+
+#ifdef STP_DBG
+
+/*ARGSUSED*/
+void
+STP_VECT_br_id_print (IN char *title, IN BRIDGE_ID* br_id, IN Bool cr)
+{
+  stp_trace ("%s=%04lX-%02x%02x%02x%02x%02x%02x",
+            title,
+          (unsigned long) br_id->prio,
+          (unsigned char) br_id->addr[0],
+          (unsigned char) br_id->addr[1],
+          (unsigned char) br_id->addr[2],
+          (unsigned char) br_id->addr[3],
+          (unsigned char) br_id->addr[4],
+          (unsigned char) br_id->addr[5]);
+#ifndef __SUN__
+  stp_trace (cr ? "\n" : " ");
+#endif
+}
+
+void
+STP_VECT_print (IN char *title, IN PRIO_VECTOR_T *v)
+{
+  stp_trace ("%s:", title);
+  STP_VECT_br_id_print ("rootBr", &v->root_bridge, False);
+    
+/****
+  stp_trace (" rpc=%ld ", (long) v->root_path_cost);
+****/
+
+  STP_VECT_br_id_print ("designBr", &v->design_bridge, False);
+
+/****/
+  stp_trace (" dp=%lx bp=%lx ",
+          (unsigned long) v->design_port,
+          (unsigned long) v->bridge_port);
+/***********/
+  stp_trace ("\n");
+}
+#endif