2 * Copyright (c) 2003 The Regents of The University of Michigan
5 * Redistribution and use in source and binary forms, with or without
6 * modification, are permitted provided that the following conditions are
7 * met: redistributions of source code must retain the above copyright
8 * notice, this list of conditions and the following disclaimer;
9 * redistributions in binary form must reproduce the above copyright
10 * notice, this list of conditions and the following disclaimer in the
11 * documentation and/or other materials provided with the distribution;
12 * neither the name of the copyright holders nor the names of its
13 * contributors may be used to endorse or promote products derived from
14 * this software without specific prior written permission.
16 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
17 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
18 * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
19 * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
20 * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
21 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
22 * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
23 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
24 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
25 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
26 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
32 #include "base/cprintf.hh"
33 #include "sim/host.hh"
34 #include "base/inet.hh"
38 eaddr_string(const uint8_t a
[6])
41 ccprintf(stream
, "%x:%x:%x:%x:%x:%x", a
[0], a
[1], a
[2], a
[3], a
[4], a
[5]);
47 * Copyright (c) 1988, 1992, 1993
48 * The Regents of the University of California. All rights reserved.
50 * Redistribution and use in source and binary forms, with or without
51 * modification, are permitted provided that the following conditions
53 * 1. Redistributions of source code must retain the above copyright
54 * notice, this list of conditions and the following disclaimer.
55 * 2. Redistributions in binary form must reproduce the above copyright
56 * notice, this list of conditions and the following disclaimer in the
57 * documentation and/or other materials provided with the distribution.
58 * 3. All advertising materials mentioning features or use of this software
59 * must display the following acknowledgement:
60 * This product includes software developed by the University of
61 * California, Berkeley and its contributors.
62 * 4. Neither the name of the University nor the names of its contributors
63 * may be used to endorse or promote products derived from this software
64 * without specific prior written permission.
66 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
67 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
68 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
69 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
70 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
71 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
72 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
73 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
74 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
75 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
78 /***********************************************************************
79 This section of code taken from NetBSD
80 ***********************************************************************/
82 #define ETHER_CRC_POLY_LE 0xedb88320
83 #define ETHER_CRC_POLY_BE 0x04c11db6
87 * This is for reference. We have a table-driven version
88 * of the little-endian crc32 generator, which is faster
89 * than the double-loop.
92 crc32le(const uint8_t *buf
, size_t len
)
94 uint32_t c
, crc
, carry
;
97 crc
= 0xffffffffU
; /* initial value */
99 for (i
= 0; i
< len
; i
++) {
101 for (j
= 0; j
< 8; j
++) {
102 carry
= ((crc
& 0x01) ? 1 : 0) ^ (c
& 0x01);
106 crc
= (crc
^ ETHER_CRC_POLY_LE
);
114 crc32le(const uint8_t *buf
, size_t len
)
116 static const uint32_t crctab
[] = {
117 0x00000000, 0x1db71064, 0x3b6e20c8, 0x26d930ac,
118 0x76dc4190, 0x6b6b51f4, 0x4db26158, 0x5005713c,
119 0xedb88320, 0xf00f9344, 0xd6d6a3e8, 0xcb61b38c,
120 0x9b64c2b0, 0x86d3d2d4, 0xa00ae278, 0xbdbdf21c
125 crc
= 0xffffffffU
; /* initial value */
127 for (i
= 0; i
< len
; i
++) {
129 crc
= (crc
>> 4) ^ crctab
[crc
& 0xf];
130 crc
= (crc
>> 4) ^ crctab
[crc
& 0xf];
138 crc32be(const uint8_t *buf
, size_t len
)
140 uint32_t c
, crc
, carry
;
143 crc
= 0xffffffffU
; /* initial value */
145 for (i
= 0; i
< len
; i
++) {
147 for (j
= 0; j
< 8; j
++) {
148 carry
= ((crc
& 0x80000000U
) ? 1 : 0) ^ (c
& 0x01);
152 crc
= (crc
^ ETHER_CRC_POLY_BE
) | carry
;
159 /***********************************************************************
160 This is the end of the NetBSD code
161 ***********************************************************************/