summaryrefslogtreecommitdiffstats
path: root/cpu/ixp/npe/include/IxEthDBQoS.h
blob: 6d34889452d559b113cd02a0f9b53f3a57b48c4f (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
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 */

/**
 *@}
 */
OpenPOWER on IntegriCloud