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1/**
2 * @file IxEthDBQoS.h
3 *
4 * @brief Public definitions for QoS traffic classes
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/**
46 * @defgroup IxEthDBPortDefs IXP400 Ethernet QoS definitions
47 *
48 * @brief IXP00 Public definitions for QoS traffic classes
49 *
50 * @{
51 */
52
53#ifndef IxEthDBQoS_H
54#define IxEthDBQoS_H
55
56/**
57 * @def IX_ETH_DB_QUEUE_UNAVAILABLE
58 * @brief alias to indicate a queue (traffic class) is not available
59 */
60#define IX_ETH_DB_QUEUE_UNAVAILABLE (0)
61
62#ifndef IX_IEEE802_1Q_QOS_PRIORITY_COUNT
63/**
64 * @def IX_IEEE802_1Q_QOS_PRIORITY_COUNT
65 * @brief number of QoS priorities, according to IEEE 802.1Q
66 */
67#define IX_IEEE802_1Q_QOS_PRIORITY_COUNT (8)
68#endif
69
70/**
71 * @brief array containing all the supported traffic class configurations
72 */
73static const
74UINT8 ixEthDBQueueAssignments[][IX_IEEE802_1Q_QOS_PRIORITY_COUNT] =
75{
76 { 4, 5, 6, 7, IX_ETH_DB_QUEUE_UNAVAILABLE, IX_ETH_DB_QUEUE_UNAVAILABLE, IX_ETH_DB_QUEUE_UNAVAILABLE, IX_ETH_DB_QUEUE_UNAVAILABLE },
77 { 15, 16, 17, 18, IX_ETH_DB_QUEUE_UNAVAILABLE, IX_ETH_DB_QUEUE_UNAVAILABLE, IX_ETH_DB_QUEUE_UNAVAILABLE, IX_ETH_DB_QUEUE_UNAVAILABLE },
78 { 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 },
79 { 4, 5, 6, 7, 8, 9, 10, 11 }
80 /* add here all other cases of queue configuration structures and update ixEthDBTrafficClassDefinitions to use them */
81};
82
83/**
84 * @brief value used to index the NPE A functionality ID in the traffic class definition table
85 */
86#define IX_ETH_DB_NPE_A_FUNCTIONALITY_ID_INDEX (0)
87
88/**
89 * @brief value used to index the traffic class count in the traffic class definition table
90 */
91#define IX_ETH_DB_TRAFFIC_CLASS_COUNT_INDEX (1)
92
93/**
94 * @brief value used to index the queue assignment index in the traffic class definition table
95 */
96#define IX_ETH_DB_QUEUE_ASSIGNMENT_INDEX (2)
97
98/**
99 * @brief traffic class definitions
100 *
101 * This array contains the default traffic class definition configuration,
102 * as well as any special cases dictated by the functionality ID of NPE A.
103 *
104 * The default case should not be removed (otherwise the Ethernet
105 * components will assert a fatal failure on initialization).
106 */
107static const
108UINT8 ixEthDBTrafficClassDefinitions[][3] =
109{
110 /* NPE A functionality ID | traffic class count | queue assignment index (points to the queue enumeration in ixEthDBQueueAssignments) */
111 { 0x00, 4, 0 }, /* default case - DO NOT REMOVE */
112 { 0x04, 4, 1 }, /* NPE A image ID 0.4.0.0 */
113 { 0x09, 3, 2 }, /* NPE A image ID 0.9.0.0 */
114 { 0x80, 8, 3 }, /* NPE A image ID 10.80.02.0 */
115 { 0x81, 8, 3 }, /* NPE A image ID 10.81.02.0 */
116 { 0x82, 8, 3 } /* NPE A image ID 10.82.02.0 */
117};
118
119/**
120 * @brief IEEE 802.1Q recommended QoS Priority => traffic class maps
121 *
122 * @verbatim
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123 Number of available traffic classes
124 1 2 3 4 5 6 7 8
125 QoS Priority
126 0 0 0 0 1 1 1 1 2
127 1 0 0 0 0 0 0 0 0
128 2 0 0 0 0 0 0 0 1
129 3 0 0 0 1 1 2 2 3
130 4 0 1 1 2 2 3 3 4
131 5 0 1 1 2 3 4 4 5
132 6 0 1 2 3 4 5 5 6
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133 7 0 1 2 3 4 5 6 7
134
135 @endverbatim
136 */
137static const
138UINT8 ixEthIEEE802_1QUserPriorityToTrafficClassMapping[IX_IEEE802_1Q_QOS_PRIORITY_COUNT][IX_IEEE802_1Q_QOS_PRIORITY_COUNT] =
139 {
140 { 0, 0, 0, 0, 0, 0, 0, 0 }, /* 1 traffic class available */
141 { 0, 0, 0, 0, 1, 1, 1, 1 }, /* 2 traffic classes available */
142 { 0, 0, 0, 0, 1, 1, 2, 2 }, /* 3 traffic classes available */
143 { 1, 0, 0, 1, 2, 2, 3, 3 }, /* 4 traffic classes available */
144 { 1, 0, 0, 1, 2, 3, 4, 4 }, /* 5 traffic classes available */
145 { 1, 0, 0, 2, 3, 4, 5, 5 }, /* 6 traffic classes available */
146 { 1, 0, 0, 2, 3, 4, 5, 6 }, /* 7 traffic classes available */
147 { 2, 0, 1, 3, 4, 5, 6, 7 } /* 8 traffic classes available */
148 };
149
150#endif /* IxEthDBQoS_H */
151
152/**
153 *@}
154 */