blob: e708bf1bce647895016f1533870b7fc0726879f0 [file] [log] [blame]
Wolfgang Denkba94a1b2006-05-30 15:56:48 +02001/**
2 * @file ethUtil.c
3 *
4 * @brief Utility functions
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#include "IxFeatureCtrl.h"
47#include "IxEthDB_p.h"
48
49IX_ETH_DB_PUBLIC
50IxEthDBStatus ixEthDBSingleEthNpeCheck(IxEthDBPortId portID)
51{
52 /* If not IXP42X A0 stepping, proceed to check for existence of coprocessors */
53 if ((IX_FEATURE_CTRL_SILICON_TYPE_A0 !=
54 (ixFeatureCtrlProductIdRead() & IX_FEATURE_CTRL_SILICON_STEPPING_MASK))
55 || (IX_FEATURE_CTRL_DEVICE_TYPE_IXP42X != ixFeatureCtrlDeviceRead ()))
56 {
57 if ((portID == 0) &&
58 (ixFeatureCtrlComponentCheck(IX_FEATURECTRL_ETH0) ==
59 IX_FEATURE_CTRL_COMPONENT_DISABLED))
60 {
61 return IX_ETH_DB_FAIL;
62 }
63
64 if ((portID == 1) &&
65 (ixFeatureCtrlComponentCheck(IX_FEATURECTRL_ETH1) ==
66 IX_FEATURE_CTRL_COMPONENT_DISABLED))
67 {
68 return IX_ETH_DB_FAIL;
69 }
70
71 if ((portID == 2) &&
72 (ixFeatureCtrlComponentCheck(IX_FEATURECTRL_NPEA_ETH) ==
73 IX_FEATURE_CTRL_COMPONENT_DISABLED))
74 {
75 return IX_ETH_DB_FAIL;
76 }
77 }
78
79 return IX_ETH_DB_SUCCESS;
80}
81
82IX_ETH_DB_PUBLIC
83BOOL ixEthDBCheckSingleBitValue(UINT32 value)
84{
85#if (CPU != SIMSPARCSOLARIS) && !defined (__wince)
86 UINT32 shift;
87
88 /* use the count-leading-zeros XScale instruction */
89 __asm__ ("clz %0, %1\n" : "=r" (shift) : "r" (value));
90
91 return ((value << shift) == 0x80000000UL);
92
93#else
94
95 while (value != 0)
96 {
97 if (value == 1) return TRUE;
98 else if ((value & 1) == 1) return FALSE;
99
100 value >>= 1;
101 }
102
103 return FALSE;
104
105#endif
106}
107
108const char *mac2string(const unsigned char *mac)
109{
110 static char str[19];
111
112 if (mac == NULL)
113 {
114 return NULL;
115 }
116
117 sprintf(str, "%02X:%02X:%02X:%02X:%02X:%02X", mac[0], mac[1], mac[2], mac[3], mac[4], mac[5]);
118
119 return str;
120}