arch/arm/cpu/ixp/npe/IxEthDBFeatures.c

   1 /**
   2  * @file IxEthDBFeatures.c
   3  *
   4  * @brief Implementation of the EthDB feature control API
   5  *
   6  * @par
   7  * IXP400 SW Release version 2.0
   8  *
   9  * -- Copyright Notice --
  10  *
  11  * @par
  12  * Copyright 2001-2005, Intel Corporation.
  13  * All rights reserved.
  14  *
  15  * @par
  16  * Redistribution and use in source and binary forms, with or without
  17  * modification, are permitted provided that the following conditions
  18  * are met:
  19  * 1. Redistributions of source code must retain the above copyright
  20  *    notice, this list of conditions and the following disclaimer.
  21  * 2. Redistributions in binary form must reproduce the above copyright
  22  *    notice, this list of conditions and the following disclaimer in the
  23  *    documentation and/or other materials provided with the distribution.
  24  * 3. Neither the name of the Intel Corporation nor the names of its contributors
  25  *    may be used to endorse or promote products derived from this software
  26  *    without specific prior written permission.
  27  *
  28  * @par
  29  * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS ``AS IS''
  30  * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
  31  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
  32  * ARE DISCLAIMED.  IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE
  33  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
  34  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
  35  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
  36  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
  37  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
  38  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
  39  * SUCH DAMAGE.
  40  *
  41  * @par
  42  * -- End of Copyright Notice --
  43  */
  44
  45 #include "IxNpeDl.h"
  46 #include "IxEthDBQoS.h"
  47 #include "IxEthDB_p.h"
  48
  49 /**
  50  * @brief scans the capabilities of the loaded NPE images
  51  *
  52  * This function MUST be called by the ixEthDBInit() function.
  53  * No EthDB features (including learning and filtering) are enabled
  54  * before this function is called.
  55  *
  56  * @return none
  57  *
  58  * @internal
  59  */
  60 IX_ETH_DB_PUBLIC
  61 void ixEthDBFeatureCapabilityScan(void)
  62 {
  63     IxNpeDlImageId imageId, npeAImageId;
  64     IxEthDBPortId portIndex;
  65     PortInfo *portInfo;
  66     IxEthDBPriorityTable defaultPriorityTable;
  67     IX_STATUS result;
  68     UINT32 queueIndex;
  69     UINT32 queueStructureIndex;
  70     UINT32 trafficClassDefinitionIndex;
  71
  72     /* read version of NPE A - required to set the AQM queues for B and C */
  73     npeAImageId.functionalityId = 0;
  74     ixNpeDlLoadedImageGet(IX_NPEDL_NPEID_NPEA, &npeAImageId);
  75
  76     for (portIndex = 0 ; portIndex < IX_ETH_DB_NUMBER_OF_PORTS ; portIndex++)
  77     {
  78         IxNpeMhMessage msg;
  79
  80         portInfo = &ixEthDBPortInfo[portIndex];
  81
  82         /* check and bypass if NPE B or C is fused out */
  83         if (ixEthDBSingleEthNpeCheck(portIndex) != IX_ETH_DB_SUCCESS) continue;
  84
  85         /* all ports are capable of LEARNING by default */
  86         portInfo->featureCapability |= IX_ETH_DB_LEARNING;
  87         portInfo->featureStatus     |= IX_ETH_DB_LEARNING;
  88
  89         if (ixEthDBPortDefinitions[portIndex].type == IX_ETH_NPE)
  90         {
  91
  92             if (ixNpeDlLoadedImageGet(IX_ETH_DB_PORT_ID_TO_NPE(portIndex), &imageId) != IX_SUCCESS)
  93             {
  94                 WARNING_LOG("DB: (FeatureScan) NpeDl did not provide the image ID for NPE port %d\n", portIndex);
  95             }
  96             else
  97             {
  98                 /* initialize and empty NPE response mutex */
  99                 ixOsalMutexInit(&portInfo->npeAckLock);
 100                 ixOsalMutexLock(&portInfo->npeAckLock, IX_OSAL_WAIT_FOREVER);
 101
 102                 /* check NPE response to GetStatus */
 103                 msg.data[0] = IX_ETHNPE_NPE_GETSTATUS << 24;
 104                 msg.data[1] = 0;
 105                 IX_ETHDB_SEND_NPE_MSG(IX_ETH_DB_PORT_ID_TO_NPE(portIndex), msg, result);
 106                 if (result != IX_SUCCESS)
 107                 {
 108                     WARNING_LOG("DB: (FeatureScan) warning, could not send message to the NPE\n");
 109                     continue;
 110                 }
 111
 112
 113                 if (imageId.functionalityId == 0x00
 114                     || imageId.functionalityId == 0x03
 115                     || imageId.functionalityId == 0x04
 116                     || imageId.functionalityId == 0x80)
 117                 {
 118                     portInfo->featureCapability |= IX_ETH_DB_FILTERING;
 119                     portInfo->featureCapability |= IX_ETH_DB_FIREWALL;
 120                     portInfo->featureCapability |= IX_ETH_DB_SPANNING_TREE_PROTOCOL;
 121                 }
 122                 else if (imageId.functionalityId == 0x01
 123                          || imageId.functionalityId == 0x81)
 124                 {
 125                     portInfo->featureCapability |= IX_ETH_DB_FILTERING;
 126                     portInfo->featureCapability |= IX_ETH_DB_FIREWALL;
 127                     portInfo->featureCapability |= IX_ETH_DB_SPANNING_TREE_PROTOCOL;
 128                     portInfo->featureCapability |= IX_ETH_DB_VLAN_QOS;
 129                 }
 130                 else if (imageId.functionalityId == 0x02
 131                          || imageId.functionalityId == 0x82)
 132                 {
 133                     portInfo->featureCapability |= IX_ETH_DB_WIFI_HEADER_CONVERSION;
 134                     portInfo->featureCapability |= IX_ETH_DB_FIREWALL;
 135                     portInfo->featureCapability |= IX_ETH_DB_SPANNING_TREE_PROTOCOL;
 136                     portInfo->featureCapability |= IX_ETH_DB_VLAN_QOS;
 137                 }
 138
 139                 /* reset AQM queues */
 140                 memset(portInfo->ixEthDBTrafficClassAQMAssignments, 0, sizeof (portInfo->ixEthDBTrafficClassAQMAssignments));
 141
 142                 /* ensure there's at least one traffic class record in the definition table, otherwise we have no default case, hence no queues */
 143                 IX_ENSURE(sizeof (ixEthDBTrafficClassDefinitions) != 0, "DB: no traffic class definitions found, check IxEthDBQoS.h");
 144
 145                 /* find the traffic class definition index compatible with the current NPE A functionality ID */
 146                 for (trafficClassDefinitionIndex = 0 ;
 147                     trafficClassDefinitionIndex < sizeof (ixEthDBTrafficClassDefinitions) / sizeof (ixEthDBTrafficClassDefinitions[0]);
 148                     trafficClassDefinitionIndex++)
 149                 {
 150                     if (ixEthDBTrafficClassDefinitions[trafficClassDefinitionIndex][IX_ETH_DB_NPE_A_FUNCTIONALITY_ID_INDEX] == npeAImageId.functionalityId)
 151                     {
 152                         /* found it */
 153                         break;
 154                     }
 155                 }
 156
 157                 /* select the default case if we went over the array boundary */
 158                 if (trafficClassDefinitionIndex == sizeof (ixEthDBTrafficClassDefinitions) / sizeof (ixEthDBTrafficClassDefinitions[0]))
 159                 {
 160                     trafficClassDefinitionIndex = 0; /* the first record is the default case */
 161                 }
 162
 163                 /* select queue assignment structure based on the traffic class configuration index */
 164                 queueStructureIndex = ixEthDBTrafficClassDefinitions[trafficClassDefinitionIndex][IX_ETH_DB_QUEUE_ASSIGNMENT_INDEX];
 165
 166                 /* only traffic class 0 is active at initialization time */
 167                 portInfo->ixEthDBTrafficClassCount = 1;
 168
 169                 /* enable port, VLAN and Firewall feature bits to initialize QoS/VLAN/Firewall configuration */
 170                 portInfo->featureStatus |= IX_ETH_DB_VLAN_QOS;
 171                 portInfo->featureStatus |= IX_ETH_DB_FIREWALL;
 172                 portInfo->enabled        = TRUE;
 173
 174 #define CONFIG_WITH_VLAN  /* test-only: VLAN support not included to save space!!! */
 175 #ifdef CONFIG_WITH_VLAN /* test-only: VLAN support not included to save space!!! */
 176                 /* set VLAN initial configuration (permissive) */
 177                 if ((portInfo->featureCapability & IX_ETH_DB_VLAN_QOS) != 0) /* QoS-enabled image */
 178                 {
 179                     /* QoS capable */
 180                     portInfo->ixEthDBTrafficClassAvailable = ixEthDBTrafficClassDefinitions[trafficClassDefinitionIndex][IX_ETH_DB_TRAFFIC_CLASS_COUNT_INDEX];
 181
 182                     /* set AQM queues */
 183                     for (queueIndex = 0 ; queueIndex < IX_IEEE802_1Q_QOS_PRIORITY_COUNT ; queueIndex++)
 184                     {
 185                         portInfo->ixEthDBTrafficClassAQMAssignments[queueIndex] = ixEthDBQueueAssignments[queueStructureIndex][queueIndex];
 186                     }
 187
 188                     /* set default PVID (0) and default traffic class 0 */
 189                     ixEthDBPortVlanTagSet(portIndex, 0);
 190
 191                     /* enable reception of all frames */
 192                     ixEthDBAcceptableFrameTypeSet(portIndex, IX_ETH_DB_ACCEPT_ALL_FRAMES);
 193
 194                     /* clear full VLAN membership */
 195                     ixEthDBPortVlanMembershipRangeRemove(portIndex, 0, IX_ETH_DB_802_1Q_MAX_VLAN_ID);
 196
 197                     /* clear TTI table - no VLAN tagged frames will be transmitted */
 198                     ixEthDBEgressVlanRangeTaggingEnabledSet(portIndex, 0, 4094, FALSE);
 199
 200                     /* set membership on 0, otherwise no Tx or Rx is working */
 201                     ixEthDBPortVlanMembershipAdd(portIndex, 0);
 202                 }
 203                 else /* QoS not available in this image */
 204 #endif /* test-only */
 205                 {
 206                     /* initialize traffic class availability (only class 0 is available) */
 207                     portInfo->ixEthDBTrafficClassAvailable = 1;
 208
 209                     /* point all AQM queues to traffic class 0 */
 210                     for (queueIndex = 0 ; queueIndex < IX_IEEE802_1Q_QOS_PRIORITY_COUNT ; queueIndex++)
 211                     {
 212                         portInfo->ixEthDBTrafficClassAQMAssignments[queueIndex] =
 213                             ixEthDBQueueAssignments[queueStructureIndex][0];
 214                     }
 215                 }
 216
 217 #ifdef CONFIG_WITH_VLAN /* test-only: VLAN support not included to save space!!! */
 218                 /* download priority mapping table and Rx queue configuration */
 219                 memset (defaultPriorityTable, 0, sizeof (defaultPriorityTable));
 220                 ixEthDBPriorityMappingTableSet(portIndex, defaultPriorityTable);
 221 #endif
 222
 223                 /* by default we turn off invalid source MAC address filtering */
 224                 ixEthDBFirewallInvalidAddressFilterEnable(portIndex, FALSE);
 225
 226                 /* disable port, VLAN, Firewall feature bits */
 227                 portInfo->featureStatus &= ~IX_ETH_DB_VLAN_QOS;
 228                 portInfo->featureStatus &= ~IX_ETH_DB_FIREWALL;
 229                 portInfo->enabled        = FALSE;
 230
 231                 /* enable filtering by default if present */
 232                 if ((portInfo->featureCapability & IX_ETH_DB_FILTERING) != 0)
 233                 {
 234                     portInfo->featureStatus |= IX_ETH_DB_FILTERING;
 235                 }
 236             }
 237         }
 238     }
 239 }
 240
 241 /**
 242  * @brief returns the capability of a port
 243  *
 244  * @param portID ID of the port
 245  * @param featureSet location to store the port capability in
 246  *
 247  * This function will save the capability set of the given port
 248  * into the given location. Capabilities are bit-ORed, each representing
 249  * a bit of the feature set.
 250  *
 251  * Note that this function is documented in the main component
 252  * public header file, IxEthDB.h.
 253  *
 254  * @return IX_ETH_DB_SUCCESS if the operation completed successfully
 255  * or IX_ETH_DB_INVALID_PORT if the given port is invalid
 256  */
 257 IX_ETH_DB_PUBLIC
 258 IxEthDBStatus ixEthDBFeatureCapabilityGet(IxEthDBPortId portID, IxEthDBFeature *featureSet)
 259 {
 260     IX_ETH_DB_CHECK_PORT_INITIALIZED(portID);
 261
 262     IX_ETH_DB_CHECK_REFERENCE(featureSet);
 263
 264     *featureSet = ixEthDBPortInfo[portID].featureCapability;
 265
 266     return IX_ETH_DB_SUCCESS;
 267 }
 268
 269 /**
 270  * @brief enables or disables a port capability
 271  *
 272  * @param portID ID of the port
 273  * @param feature feature to enable or disable
 274  * @param enabled TRUE to enable the selected feature or FALSE to disable it
 275  *
 276  * Note that this function is documented in the main component
 277  * header file, IxEthDB.h.
 278  *
 279  * @return IX_ETH_DB_SUCCESS if the operation completed
 280  * successfully or an appropriate error message otherwise
 281  */
 282 IX_ETH_DB_PUBLIC
 283 IxEthDBStatus ixEthDBFeatureEnable(IxEthDBPortId portID, IxEthDBFeature feature, BOOL enable)
 284 {
 285     PortInfo *portInfo;
 286     IxEthDBPriorityTable defaultPriorityTable;
 287     IxEthDBVlanSet vlanSet;
 288     IxEthDBStatus status = IX_ETH_DB_SUCCESS;
 289     BOOL portEnabled;
 290
 291     IX_ETH_DB_CHECK_PORT_INITIALIZED(portID);
 292
 293     portInfo    = &ixEthDBPortInfo[portID];
 294     portEnabled = portInfo->enabled;
 295
 296     /* check that only one feature is selected */
 297     if (!ixEthDBCheckSingleBitValue(feature))
 298     {
 299         return IX_ETH_DB_FEATURE_UNAVAILABLE;
 300     }
 301
 302     /* port capable of this feature? */
 303     if ((portInfo->featureCapability & feature) == 0)
 304     {
 305         return IX_ETH_DB_FEATURE_UNAVAILABLE;
 306     }
 307
 308     /* mutual exclusion between learning and WiFi header conversion */
 309     if (enable && ((feature | portInfo->featureStatus) & (IX_ETH_DB_FILTERING | IX_ETH_DB_WIFI_HEADER_CONVERSION))
 310             == (IX_ETH_DB_FILTERING | IX_ETH_DB_WIFI_HEADER_CONVERSION))
 311     {
 312         return IX_ETH_DB_NO_PERMISSION;
 313     }
 314
 315     /* learning must be enabled before filtering */
 316     if (enable && (feature == IX_ETH_DB_FILTERING) && ((portInfo->featureStatus & IX_ETH_DB_LEARNING) == 0))
 317     {
 318         return IX_ETH_DB_NO_PERMISSION;
 319     }
 320
 321     /* filtering must be disabled before learning */
 322     if (!enable && (feature == IX_ETH_DB_LEARNING) && ((portInfo->featureStatus & IX_ETH_DB_FILTERING) != 0))
 323     {
 324         return IX_ETH_DB_NO_PERMISSION;
 325     }
 326
 327     /* redundant enabling or disabling */
 328     if ((!enable && ((portInfo->featureStatus & feature) == 0))
 329         || (enable && ((portInfo->featureStatus & feature) != 0)))
 330     {
 331         /* do nothing */
 332         return IX_ETH_DB_SUCCESS;
 333     }
 334
 335     /* force port enabled */
 336     portInfo->enabled = TRUE;
 337
 338     if (enable)
 339     {
 340         /* turn on enable bit */
 341         portInfo->featureStatus |= feature;
 342
 343 #ifdef CONFIG_WITH_VLAN /* test-only: VLAN support not included to save space!!! */
 344         /* if this is VLAN/QoS set the default priority table */
 345         if (feature == IX_ETH_DB_VLAN_QOS)
 346         {
 347             /* turn on VLAN/QoS (most permissive mode):
 348                 - set default 802.1Q priority mapping table, in accordance to the
 349                   availability of traffic classes
 350                 - set the acceptable frame filter to accept all
 351                 - set the Ingress tagging mode to pass-through
 352                 - set full VLAN membership list
 353                 - set full TTI table
 354                 - set the default 802.1Q tag to 0 (VLAN ID 0, Pri 0, CFI 0)
 355                 - enable TPID port extraction
 356             */
 357
 358             portInfo->ixEthDBTrafficClassCount = portInfo->ixEthDBTrafficClassAvailable;
 359
 360             /* set default 802.1Q priority mapping table - note that C indexing starts from 0, so we substract 1 here */
 361             memcpy (defaultPriorityTable,
 362                 (const void *) ixEthIEEE802_1QUserPriorityToTrafficClassMapping[portInfo->ixEthDBTrafficClassCount - 1],
 363                 sizeof (defaultPriorityTable));
 364
 365             /* update priority mapping and AQM queue assignments */
 366             status = ixEthDBPriorityMappingTableSet(portID, defaultPriorityTable);
 367
 368             if (status == IX_ETH_DB_SUCCESS)
 369             {
 370                 status = ixEthDBAcceptableFrameTypeSet(portID, IX_ETH_DB_ACCEPT_ALL_FRAMES);
 371             }
 372
 373             if (status == IX_ETH_DB_SUCCESS)
 374             {
 375                 status = ixEthDBIngressVlanTaggingEnabledSet(portID, IX_ETH_DB_PASS_THROUGH);
 376             }
 377
 378             /* set membership and TTI tables */
 379             memset (vlanSet, 0xFF, sizeof (vlanSet));
 380
 381             if (status == IX_ETH_DB_SUCCESS)
 382             {
 383                 /* use the internal function to bypass PVID check */
 384                 status = ixEthDBPortVlanTableSet(portID, portInfo->vlanMembership, vlanSet);
 385             }
 386
 387             if (status == IX_ETH_DB_SUCCESS)
 388             {
 389                 /* use the internal function to bypass PVID check */
 390                 status = ixEthDBPortVlanTableSet(portID, portInfo->transmitTaggingInfo, vlanSet);
 391             }
 392
 393             /* reset the PVID */
 394             if (status == IX_ETH_DB_SUCCESS)
 395             {
 396                 status = ixEthDBPortVlanTagSet(portID, 0);
 397             }
 398
 399             /* enable TPID port extraction */
 400             if (status == IX_ETH_DB_SUCCESS)
 401             {
 402                 status = ixEthDBVlanPortExtractionEnable(portID, TRUE);
 403             }
 404         }
 405         else if (feature == IX_ETH_DB_FIREWALL)
 406 #endif
 407         {
 408             /* firewall starts in black-list mode unless otherwise configured before *
 409              * note that invalid source MAC address filtering is disabled by default */
 410             if (portInfo->firewallMode != IX_ETH_DB_FIREWALL_BLACK_LIST
 411                 && portInfo->firewallMode != IX_ETH_DB_FIREWALL_WHITE_LIST)
 412             {
 413                 status = ixEthDBFirewallModeSet(portID, IX_ETH_DB_FIREWALL_BLACK_LIST);
 414
 415                 if (status == IX_ETH_DB_SUCCESS)
 416                 {
 417                     status = ixEthDBFirewallInvalidAddressFilterEnable(portID, FALSE);
 418                 }
 419             }
 420         }
 421
 422         if (status != IX_ETH_DB_SUCCESS)
 423         {
 424             /* checks failed, disable */
 425             portInfo->featureStatus &= ~feature;
 426         }
 427     }
 428     else
 429     {
 430         /* turn off features */
 431         if (feature == IX_ETH_DB_FIREWALL)
 432         {
 433             /* turning off the firewall is equivalent to:
 434                 - set to black-list mode
 435                 - clear all the entries and download the new table
 436                 - turn off the invalid source address checking
 437             */
 438
 439             status = ixEthDBDatabaseClear(portID, IX_ETH_DB_FIREWALL_RECORD);
 440
 441             if (status == IX_ETH_DB_SUCCESS)
 442             {
 443                 status = ixEthDBFirewallModeSet(portID, IX_ETH_DB_FIREWALL_BLACK_LIST);
 444             }
 445
 446             if (status == IX_ETH_DB_SUCCESS)
 447             {
 448                 status = ixEthDBFirewallInvalidAddressFilterEnable(portID, FALSE);
 449             }
 450
 451             if (status == IX_ETH_DB_SUCCESS)
 452             {
 453                 status = ixEthDBFirewallTableDownload(portID);
 454             }
 455         }
 456         else if (feature == IX_ETH_DB_WIFI_HEADER_CONVERSION)
 457         {
 458             /* turn off header conversion */
 459             status = ixEthDBDatabaseClear(portID, IX_ETH_DB_WIFI_RECORD);
 460
 461             if (status == IX_ETH_DB_SUCCESS)
 462             {
 463                 status = ixEthDBWiFiConversionTableDownload(portID);
 464             }
 465         }
 466 #ifdef CONFIG_WITH_VLAN /* test-only: VLAN support not included to save space!!! */
 467         else if (feature == IX_ETH_DB_VLAN_QOS)
 468         {
 469             /* turn off VLAN/QoS:
 470                 - set a priority mapping table with one traffic class
 471                 - set the acceptable frame filter to accept all
 472                 - set the Ingress tagging mode to pass-through
 473                 - clear the VLAN membership list
 474                 - clear the TTI table
 475                 - set the default 802.1Q tag to 0 (VLAN ID 0, Pri 0, CFI 0)
 476                 - disable TPID port extraction
 477             */
 478
 479             /* initialize all => traffic class 0 priority mapping table */
 480             memset (defaultPriorityTable, 0, sizeof (defaultPriorityTable));
 481             portInfo->ixEthDBTrafficClassCount = 1;
 482             status = ixEthDBPriorityMappingTableSet(portID, defaultPriorityTable);
 483
 484             if (status == IX_ETH_DB_SUCCESS)
 485             {
 486                 status = ixEthDBAcceptableFrameTypeSet(portID, IX_ETH_DB_ACCEPT_ALL_FRAMES);
 487             }
 488
 489             if (status == IX_ETH_DB_SUCCESS)
 490             {
 491                 status = ixEthDBIngressVlanTaggingEnabledSet(portID, IX_ETH_DB_PASS_THROUGH);
 492             }
 493
 494             /* clear membership and TTI tables */
 495             memset (vlanSet, 0, sizeof (vlanSet));
 496
 497             if (status == IX_ETH_DB_SUCCESS)
 498             {
 499                 /* use the internal function to bypass PVID check */
 500                 status = ixEthDBPortVlanTableSet(portID, portInfo->vlanMembership, vlanSet);
 501             }
 502
 503             if (status == IX_ETH_DB_SUCCESS)
 504             {
 505                 /* use the internal function to bypass PVID check */
 506                 status = ixEthDBPortVlanTableSet(portID, portInfo->transmitTaggingInfo, vlanSet);
 507             }
 508
 509             /* reset the PVID */
 510             if (status == IX_ETH_DB_SUCCESS)
 511             {
 512                 status = ixEthDBPortVlanTagSet(portID, 0);
 513             }
 514
 515             /* disable TPID port extraction */
 516             if (status == IX_ETH_DB_SUCCESS)
 517             {
 518                 status = ixEthDBVlanPortExtractionEnable(portID, FALSE);
 519             }
 520         }
 521 #endif
 522
 523         if (status == IX_ETH_DB_SUCCESS)
 524         {
 525             /* checks passed, disable */
 526             portInfo->featureStatus &= ~feature;
 527         }
 528     }
 529
 530     /* restore port enabled state */
 531     portInfo->enabled = portEnabled;
 532
 533     return status;
 534 }
 535
 536 /**
 537  * @brief returns the status of a feature
 538  *
 539  * @param portID port ID
 540  * @param present location to store a boolean value indicating
 541  * if the feature is present (TRUE) or not (FALSE)
 542  * @param enabled location to store a booleam value indicating
 543  * if the feature is present (TRUE) or not (FALSE)
 544  *
 545  * Note that this function is documented in the main component
 546  * header file, IxEthDB.h.
 547  *
 548  * @return IX_ETH_DB_SUCCESS if the operation completed
 549  * successfully or an appropriate error message otherwise
 550  */
 551 IX_ETH_DB_PUBLIC
 552 IxEthDBStatus ixEthDBFeatureStatusGet(IxEthDBPortId portID, IxEthDBFeature feature, BOOL *present, BOOL *enabled)
 553 {
 554     PortInfo *portInfo;
 555
 556     IX_ETH_DB_CHECK_PORT(portID);
 557
 558     IX_ETH_DB_CHECK_REFERENCE(present);
 559
 560     IX_ETH_DB_CHECK_REFERENCE(enabled);
 561
 562     portInfo = &ixEthDBPortInfo[portID];
 563
 564     *present = (portInfo->featureCapability & feature) != 0;
 565     *enabled = (portInfo->featureStatus & feature) != 0;
 566
 567     return IX_ETH_DB_SUCCESS;
 568 }
 569
 570 /**
 571  * @brief returns the value of an EthDB property
 572  *
 573  * @param portID ID of the port
 574  * @param feature feature owning the property
 575  * @param property ID of the property
 576  * @param type location to store the property type into
 577  * @param value location to store the property value into
 578  *
 579  * Note that this function is documented in the main component
 580  * header file, IxEthDB.h.
 581  *
 582  * @return IX_ETH_DB_SUCCESS if the operation completed
 583  * successfully or an appropriate error message otherwise
 584  */
 585 IX_ETH_DB_PUBLIC
 586 IxEthDBStatus ixEthDBFeaturePropertyGet(IxEthDBPortId portID, IxEthDBFeature feature, IxEthDBProperty property, IxEthDBPropertyType *type, void *value)
 587 {
 588     IX_ETH_DB_CHECK_PORT_EXISTS(portID);
 589
 590     IX_ETH_DB_CHECK_REFERENCE(type);
 591
 592     IX_ETH_DB_CHECK_REFERENCE(value);
 593
 594     if (feature == IX_ETH_DB_VLAN_QOS)
 595     {
 596         if (property == IX_ETH_DB_QOS_TRAFFIC_CLASS_COUNT_PROPERTY)
 597         {
 598             * (UINT32 *) value = ixEthDBPortInfo[portID].ixEthDBTrafficClassCount;
 599             *type              = IX_ETH_DB_INTEGER_PROPERTY;
 600
 601             return IX_ETH_DB_SUCCESS;
 602         }
 603         else if (property >= IX_ETH_DB_QOS_TRAFFIC_CLASS_0_RX_QUEUE_PROPERTY
 604             && property <= IX_ETH_DB_QOS_TRAFFIC_CLASS_7_RX_QUEUE_PROPERTY)
 605         {
 606             UINT32 classDelta = property - IX_ETH_DB_QOS_TRAFFIC_CLASS_0_RX_QUEUE_PROPERTY;
 607
 608             if (classDelta >= ixEthDBPortInfo[portID].ixEthDBTrafficClassCount)
 609             {
 610                 return IX_ETH_DB_FAIL;
 611             }
 612
 613             * (UINT32 *) value = ixEthDBPortInfo[portID].ixEthDBTrafficClassAQMAssignments[classDelta];
 614             *type              = IX_ETH_DB_INTEGER_PROPERTY;
 615
 616             return IX_ETH_DB_SUCCESS;
 617         }
 618     }
 619
 620     return IX_ETH_DB_INVALID_ARG;
 621 }
 622
 623 /**
 624  * @brief sets the value of an EthDB property
 625  *
 626  * @param portID ID of the port
 627  * @param feature feature owning the property
 628  * @param property ID of the property
 629  * @param value location containing the property value
 630  *
 631  * This function implements a private property intended
 632  * only for EthAcc usage. Upon setting the IX_ETH_DB_QOS_QUEUE_CONFIGURATION_COMPLETE
 633  * property (the value is ignored), the availability of traffic classes is
 634  * frozen to whatever traffic class structure is currently in use.
 635  * This means that if VLAN_QOS has been enabled before EthAcc
 636  * initialization then all the defined traffic classes will be available;
 637  * otherwise only one traffic class (0) will be available.
 638  *
 639  * Note that this function is documented in the main component
 640  * header file, IxEthDB.h as not accepting any parameters. The
 641  * current implementation is only intended for the private use of EthAcc.
 642  *
 643  * Also note that once this function is called the effect is irreversible,
 644  * unless EthDB is complete unloaded and re-initialized.
 645  *
 646  * @return IX_ETH_DB_INVALID_ARG (no read-write properties are
 647  * supported in this release)
 648  */
 649 IX_ETH_DB_PUBLIC
 650 IxEthDBStatus ixEthDBFeaturePropertySet(IxEthDBPortId portID, IxEthDBFeature feature, IxEthDBProperty property, void *value)
 651 {
 652     IX_ETH_DB_CHECK_PORT_EXISTS(portID);
 653
 654     if ((feature == IX_ETH_DB_VLAN_QOS) && (property == IX_ETH_DB_QOS_QUEUE_CONFIGURATION_COMPLETE))
 655     {
 656         ixEthDBPortInfo[portID].ixEthDBTrafficClassAvailable = ixEthDBPortInfo[portID].ixEthDBTrafficClassCount;
 657
 658         return IX_ETH_DB_SUCCESS;
 659     }
 660
 661     return IX_ETH_DB_INVALID_ARG;
 662 }