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Diffstat (limited to 'cpu/ixp/npe/include/IxEthDBQoS.h')
| -rw-r--r-- | cpu/ixp/npe/include/IxEthDBQoS.h | 154 |
1 files changed, 154 insertions, 0 deletions
diff --git a/cpu/ixp/npe/include/IxEthDBQoS.h b/cpu/ixp/npe/include/IxEthDBQoS.h new file mode 100644 index 0000000..9fafa70 --- /dev/null +++ b/cpu/ixp/npe/include/IxEthDBQoS.h @@ -0,0 +1,154 @@ +/** + * @file IxEthDBQoS.h + * + * @brief Public definitions for QoS traffic classes + * + * @par + * IXP400 SW Release version 2.0 + * + * -- Copyright Notice -- + * + * @par + * Copyright 2001-2005, Intel Corporation. + * All rights reserved. + * + * @par + * 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. Neither the name of the Intel Corporation nor the names of its contributors + * may be used to endorse or promote products derived from this software + * without specific prior written permission. + * + * @par + * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS 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 COPYRIGHT OWNER 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. + * + * @par + * -- End of Copyright Notice -- + */ + +/** + * @defgroup IxEthDBPortDefs IXP400 Ethernet QoS definitions + * + * @brief IXP00 Public definitions for QoS traffic classes + * + * @{ + */ + +#ifndef IxEthDBQoS_H +#define IxEthDBQoS_H + +/** + * @def IX_ETH_DB_QUEUE_UNAVAILABLE + * @brief alias to indicate a queue (traffic class) is not available + */ +#define IX_ETH_DB_QUEUE_UNAVAILABLE (0) + +#ifndef IX_IEEE802_1Q_QOS_PRIORITY_COUNT +/** + * @def IX_IEEE802_1Q_QOS_PRIORITY_COUNT + * @brief number of QoS priorities, according to IEEE 802.1Q + */ +#define IX_IEEE802_1Q_QOS_PRIORITY_COUNT (8) +#endif + +/** + * @brief array containing all the supported traffic class configurations + */ +static const +UINT8 ixEthDBQueueAssignments[][IX_IEEE802_1Q_QOS_PRIORITY_COUNT] = +{ + { 4, 5, 6, 7, IX_ETH_DB_QUEUE_UNAVAILABLE, IX_ETH_DB_QUEUE_UNAVAILABLE, IX_ETH_DB_QUEUE_UNAVAILABLE, IX_ETH_DB_QUEUE_UNAVAILABLE }, + { 15, 16, 17, 18, IX_ETH_DB_QUEUE_UNAVAILABLE, IX_ETH_DB_QUEUE_UNAVAILABLE, IX_ETH_DB_QUEUE_UNAVAILABLE, IX_ETH_DB_QUEUE_UNAVAILABLE }, + { 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 }, + { 4, 5, 6, 7, 8, 9, 10, 11 } + /* add here all other cases of queue configuration structures and update ixEthDBTrafficClassDefinitions to use them */ +}; + +/** + * @brief value used to index the NPE A functionality ID in the traffic class definition table + */ +#define IX_ETH_DB_NPE_A_FUNCTIONALITY_ID_INDEX (0) + +/** + * @brief value used to index the traffic class count in the traffic class definition table + */ +#define IX_ETH_DB_TRAFFIC_CLASS_COUNT_INDEX (1) + +/** + * @brief value used to index the queue assignment index in the traffic class definition table + */ +#define IX_ETH_DB_QUEUE_ASSIGNMENT_INDEX (2) + +/** + * @brief traffic class definitions + * + * This array contains the default traffic class definition configuration, + * as well as any special cases dictated by the functionality ID of NPE A. + * + * The default case should not be removed (otherwise the Ethernet + * components will assert a fatal failure on initialization). + */ +static const +UINT8 ixEthDBTrafficClassDefinitions[][3] = +{ + /* NPE A functionality ID | traffic class count | queue assignment index (points to the queue enumeration in ixEthDBQueueAssignments) */ + { 0x00, 4, 0 }, /* default case - DO NOT REMOVE */ + { 0x04, 4, 1 }, /* NPE A image ID 0.4.0.0 */ + { 0x09, 3, 2 }, /* NPE A image ID 0.9.0.0 */ + { 0x80, 8, 3 }, /* NPE A image ID 10.80.02.0 */ + { 0x81, 8, 3 }, /* NPE A image ID 10.81.02.0 */ + { 0x82, 8, 3 } /* NPE A image ID 10.82.02.0 */ +}; + +/** + * @brief IEEE 802.1Q recommended QoS Priority => traffic class maps + * + * @verbatim + Number of available traffic classes
+ 1 2 3 4 5 6 7 8
+ QoS Priority
+ 0 0 0 0 1 1 1 1 2
+ 1 0 0 0 0 0 0 0 0
+ 2 0 0 0 0 0 0 0 1
+ 3 0 0 0 1 1 2 2 3
+ 4 0 1 1 2 2 3 3 4
+ 5 0 1 1 2 3 4 4 5
+ 6 0 1 2 3 4 5 5 6
+ 7 0 1 2 3 4 5 6 7 + + @endverbatim + */ +static const +UINT8 ixEthIEEE802_1QUserPriorityToTrafficClassMapping[IX_IEEE802_1Q_QOS_PRIORITY_COUNT][IX_IEEE802_1Q_QOS_PRIORITY_COUNT] = + { + { 0, 0, 0, 0, 0, 0, 0, 0 }, /* 1 traffic class available */ + { 0, 0, 0, 0, 1, 1, 1, 1 }, /* 2 traffic classes available */ + { 0, 0, 0, 0, 1, 1, 2, 2 }, /* 3 traffic classes available */ + { 1, 0, 0, 1, 2, 2, 3, 3 }, /* 4 traffic classes available */ + { 1, 0, 0, 1, 2, 3, 4, 4 }, /* 5 traffic classes available */ + { 1, 0, 0, 2, 3, 4, 5, 5 }, /* 6 traffic classes available */ + { 1, 0, 0, 2, 3, 4, 5, 6 }, /* 7 traffic classes available */ + { 2, 0, 1, 3, 4, 5, 6, 7 } /* 8 traffic classes available */ + }; + +#endif /* IxEthDBQoS_H */ + +/** + *@} + */ |