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154 lines
5.8 KiB
C
154 lines
5.8 KiB
C
/**
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* @file IxEthDBQoS.h
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*
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* @brief Public definitions for QoS traffic classes
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*
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* @par
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* IXP400 SW Release version 2.0
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*
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* -- Copyright Notice --
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*
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* @par
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* Copyright 2001-2005, Intel Corporation.
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* All rights reserved.
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*
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* @par
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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* 3. Neither the name of the Intel Corporation nor the names of its contributors
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* may be used to endorse or promote products derived from this software
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* without specific prior written permission.
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*
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* @par
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* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS ``AS IS''
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* AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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* ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE
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* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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* SUCH DAMAGE.
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*
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* @par
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* -- End of Copyright Notice --
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*/
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/**
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* @defgroup IxEthDBPortDefs IXP400 Ethernet QoS definitions
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*
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* @brief IXP00 Public definitions for QoS traffic classes
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*
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* @{
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*/
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#ifndef IxEthDBQoS_H
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#define IxEthDBQoS_H
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/**
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* @def IX_ETH_DB_QUEUE_UNAVAILABLE
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* @brief alias to indicate a queue (traffic class) is not available
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*/
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#define IX_ETH_DB_QUEUE_UNAVAILABLE (0)
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#ifndef IX_IEEE802_1Q_QOS_PRIORITY_COUNT
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/**
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* @def IX_IEEE802_1Q_QOS_PRIORITY_COUNT
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* @brief number of QoS priorities, according to IEEE 802.1Q
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*/
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#define IX_IEEE802_1Q_QOS_PRIORITY_COUNT (8)
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#endif
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/**
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* @brief array containing all the supported traffic class configurations
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*/
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static const
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UINT8 ixEthDBQueueAssignments[][IX_IEEE802_1Q_QOS_PRIORITY_COUNT] =
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{
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{ 4, 5, 6, 7, IX_ETH_DB_QUEUE_UNAVAILABLE, IX_ETH_DB_QUEUE_UNAVAILABLE, IX_ETH_DB_QUEUE_UNAVAILABLE, IX_ETH_DB_QUEUE_UNAVAILABLE },
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{ 15, 16, 17, 18, IX_ETH_DB_QUEUE_UNAVAILABLE, IX_ETH_DB_QUEUE_UNAVAILABLE, IX_ETH_DB_QUEUE_UNAVAILABLE, IX_ETH_DB_QUEUE_UNAVAILABLE },
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{ 11, 23, 26, IX_ETH_DB_QUEUE_UNAVAILABLE, IX_ETH_DB_QUEUE_UNAVAILABLE, IX_ETH_DB_QUEUE_UNAVAILABLE, IX_ETH_DB_QUEUE_UNAVAILABLE, IX_ETH_DB_QUEUE_UNAVAILABLE },
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{ 4, 5, 6, 7, 8, 9, 10, 11 }
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/* add here all other cases of queue configuration structures and update ixEthDBTrafficClassDefinitions to use them */
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};
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/**
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* @brief value used to index the NPE A functionality ID in the traffic class definition table
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*/
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#define IX_ETH_DB_NPE_A_FUNCTIONALITY_ID_INDEX (0)
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/**
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* @brief value used to index the traffic class count in the traffic class definition table
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*/
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#define IX_ETH_DB_TRAFFIC_CLASS_COUNT_INDEX (1)
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/**
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* @brief value used to index the queue assignment index in the traffic class definition table
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*/
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#define IX_ETH_DB_QUEUE_ASSIGNMENT_INDEX (2)
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/**
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* @brief traffic class definitions
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*
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* This array contains the default traffic class definition configuration,
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* as well as any special cases dictated by the functionality ID of NPE A.
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*
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* The default case should not be removed (otherwise the Ethernet
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* components will assert a fatal failure on initialization).
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*/
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static const
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UINT8 ixEthDBTrafficClassDefinitions[][3] =
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{
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/* NPE A functionality ID | traffic class count | queue assignment index (points to the queue enumeration in ixEthDBQueueAssignments) */
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{ 0x00, 4, 0 }, /* default case - DO NOT REMOVE */
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{ 0x04, 4, 1 }, /* NPE A image ID 0.4.0.0 */
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{ 0x09, 3, 2 }, /* NPE A image ID 0.9.0.0 */
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{ 0x80, 8, 3 }, /* NPE A image ID 10.80.02.0 */
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{ 0x81, 8, 3 }, /* NPE A image ID 10.81.02.0 */
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{ 0x82, 8, 3 } /* NPE A image ID 10.82.02.0 */
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};
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/**
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* @brief IEEE 802.1Q recommended QoS Priority => traffic class maps
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*
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* @verbatim
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Number of available traffic classes
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1 2 3 4 5 6 7 8
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QoS Priority
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0 0 0 0 1 1 1 1 2
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1 0 0 0 0 0 0 0 0
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2 0 0 0 0 0 0 0 1
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3 0 0 0 1 1 2 2 3
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4 0 1 1 2 2 3 3 4
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5 0 1 1 2 3 4 4 5
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6 0 1 2 3 4 5 5 6
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7 0 1 2 3 4 5 6 7
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@endverbatim
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*/
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static const
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UINT8 ixEthIEEE802_1QUserPriorityToTrafficClassMapping[IX_IEEE802_1Q_QOS_PRIORITY_COUNT][IX_IEEE802_1Q_QOS_PRIORITY_COUNT] =
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{
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{ 0, 0, 0, 0, 0, 0, 0, 0 }, /* 1 traffic class available */
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{ 0, 0, 0, 0, 1, 1, 1, 1 }, /* 2 traffic classes available */
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{ 0, 0, 0, 0, 1, 1, 2, 2 }, /* 3 traffic classes available */
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{ 1, 0, 0, 1, 2, 2, 3, 3 }, /* 4 traffic classes available */
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{ 1, 0, 0, 1, 2, 3, 4, 4 }, /* 5 traffic classes available */
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{ 1, 0, 0, 2, 3, 4, 5, 5 }, /* 6 traffic classes available */
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{ 1, 0, 0, 2, 3, 4, 5, 6 }, /* 7 traffic classes available */
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{ 2, 0, 1, 3, 4, 5, 6, 7 } /* 8 traffic classes available */
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};
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#endif /* IxEthDBQoS_H */
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/**
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*@}
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*/
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