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author | Felix Fietkau <nbd@openwrt.org> | 2008-01-06 19:28:07 +0000 |
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committer | Felix Fietkau <nbd@openwrt.org> | 2008-01-06 19:28:07 +0000 |
commit | 19887d557e01aad2145fa3ad086bc12a8d04695a (patch) | |
tree | 58af9e3b3204308a2b7853127331f4d693e1b744 /target/linux/brcm-2.4/files/arch/mips/bcm947xx/utils.c | |
parent | 666f303b8f8a76ca44b62a58ae270d520944897b (diff) | |
download | master-187ad058-19887d557e01aad2145fa3ad086bc12a8d04695a.tar.gz master-187ad058-19887d557e01aad2145fa3ad086bc12a8d04695a.tar.bz2 master-187ad058-19887d557e01aad2145fa3ad086bc12a8d04695a.zip |
update brcm-2.4 to 2.4.35.4, integrate new broadcom system code, update broadcom-wl to a contributed version (v4.150.10.5) - no bcm57xx support yet, will follow shortly
git-svn-id: svn://svn.openwrt.org/openwrt/trunk@10137 3c298f89-4303-0410-b956-a3cf2f4a3e73
Diffstat (limited to 'target/linux/brcm-2.4/files/arch/mips/bcm947xx/utils.c')
-rw-r--r-- | target/linux/brcm-2.4/files/arch/mips/bcm947xx/utils.c | 105 |
1 files changed, 105 insertions, 0 deletions
diff --git a/target/linux/brcm-2.4/files/arch/mips/bcm947xx/utils.c b/target/linux/brcm-2.4/files/arch/mips/bcm947xx/utils.c new file mode 100644 index 0000000000..418671d7f3 --- /dev/null +++ b/target/linux/brcm-2.4/files/arch/mips/bcm947xx/utils.c @@ -0,0 +1,105 @@ +/* + * Driver O/S-independent utility routines + * + * Copyright 2007, Broadcom Corporation + * All Rights Reserved. + * + * THIS SOFTWARE IS OFFERED "AS IS", AND BROADCOM GRANTS NO WARRANTIES OF ANY + * KIND, EXPRESS OR IMPLIED, BY STATUTE, COMMUNICATION OR OTHERWISE. BROADCOM + * SPECIFICALLY DISCLAIMS ANY IMPLIED WARRANTIES OF MERCHANTABILITY, FITNESS + * FOR A SPECIFIC PURPOSE OR NONINFRINGEMENT CONCERNING THIS SOFTWARE. + * $Id$ + */ + +#include <typedefs.h> +#include <bcmdefs.h> +#include <stdarg.h> +#include <osl.h> +#include <sbutils.h> +#include <bcmendian.h> +#include "utils.h" + +/******************************************************************************* + * crc8 + * + * Computes a crc8 over the input data using the polynomial: + * + * x^8 + x^7 +x^6 + x^4 + x^2 + 1 + * + * The caller provides the initial value (either CRC8_INIT_VALUE + * or the previous returned value) to allow for processing of + * discontiguous blocks of data. When generating the CRC the + * caller is responsible for complementing the final return value + * and inserting it into the byte stream. When checking, a final + * return value of CRC8_GOOD_VALUE indicates a valid CRC. + * + * Reference: Dallas Semiconductor Application Note 27 + * Williams, Ross N., "A Painless Guide to CRC Error Detection Algorithms", + * ver 3, Aug 1993, ross@guest.adelaide.edu.au, Rocksoft Pty Ltd., + * ftp://ftp.rocksoft.com/clients/rocksoft/papers/crc_v3.txt + * + * **************************************************************************** + */ + +static const uint8 crc8_table[256] = { + 0x00, 0xF7, 0xB9, 0x4E, 0x25, 0xD2, 0x9C, 0x6B, + 0x4A, 0xBD, 0xF3, 0x04, 0x6F, 0x98, 0xD6, 0x21, + 0x94, 0x63, 0x2D, 0xDA, 0xB1, 0x46, 0x08, 0xFF, + 0xDE, 0x29, 0x67, 0x90, 0xFB, 0x0C, 0x42, 0xB5, + 0x7F, 0x88, 0xC6, 0x31, 0x5A, 0xAD, 0xE3, 0x14, + 0x35, 0xC2, 0x8C, 0x7B, 0x10, 0xE7, 0xA9, 0x5E, + 0xEB, 0x1C, 0x52, 0xA5, 0xCE, 0x39, 0x77, 0x80, + 0xA1, 0x56, 0x18, 0xEF, 0x84, 0x73, 0x3D, 0xCA, + 0xFE, 0x09, 0x47, 0xB0, 0xDB, 0x2C, 0x62, 0x95, + 0xB4, 0x43, 0x0D, 0xFA, 0x91, 0x66, 0x28, 0xDF, + 0x6A, 0x9D, 0xD3, 0x24, 0x4F, 0xB8, 0xF6, 0x01, + 0x20, 0xD7, 0x99, 0x6E, 0x05, 0xF2, 0xBC, 0x4B, + 0x81, 0x76, 0x38, 0xCF, 0xA4, 0x53, 0x1D, 0xEA, + 0xCB, 0x3C, 0x72, 0x85, 0xEE, 0x19, 0x57, 0xA0, + 0x15, 0xE2, 0xAC, 0x5B, 0x30, 0xC7, 0x89, 0x7E, + 0x5F, 0xA8, 0xE6, 0x11, 0x7A, 0x8D, 0xC3, 0x34, + 0xAB, 0x5C, 0x12, 0xE5, 0x8E, 0x79, 0x37, 0xC0, + 0xE1, 0x16, 0x58, 0xAF, 0xC4, 0x33, 0x7D, 0x8A, + 0x3F, 0xC8, 0x86, 0x71, 0x1A, 0xED, 0xA3, 0x54, + 0x75, 0x82, 0xCC, 0x3B, 0x50, 0xA7, 0xE9, 0x1E, + 0xD4, 0x23, 0x6D, 0x9A, 0xF1, 0x06, 0x48, 0xBF, + 0x9E, 0x69, 0x27, 0xD0, 0xBB, 0x4C, 0x02, 0xF5, + 0x40, 0xB7, 0xF9, 0x0E, 0x65, 0x92, 0xDC, 0x2B, + 0x0A, 0xFD, 0xB3, 0x44, 0x2F, 0xD8, 0x96, 0x61, + 0x55, 0xA2, 0xEC, 0x1B, 0x70, 0x87, 0xC9, 0x3E, + 0x1F, 0xE8, 0xA6, 0x51, 0x3A, 0xCD, 0x83, 0x74, + 0xC1, 0x36, 0x78, 0x8F, 0xE4, 0x13, 0x5D, 0xAA, + 0x8B, 0x7C, 0x32, 0xC5, 0xAE, 0x59, 0x17, 0xE0, + 0x2A, 0xDD, 0x93, 0x64, 0x0F, 0xF8, 0xB6, 0x41, + 0x60, 0x97, 0xD9, 0x2E, 0x45, 0xB2, 0xFC, 0x0B, + 0xBE, 0x49, 0x07, 0xF0, 0x9B, 0x6C, 0x22, 0xD5, + 0xF4, 0x03, 0x4D, 0xBA, 0xD1, 0x26, 0x68, 0x9F +}; + +#define CRC_INNER_LOOP(n, c, x) \ + (c) = ((c) >> 8) ^ crc##n##_table[((c) ^ (x)) & 0xff] + + +uint8 hndcrc8 (uint8 * pdata, /* pointer to array of data to process */ + uint nbytes, /* number of input data bytes to process */ + uint8 crc /* either CRC8_INIT_VALUE or previous return value */ + ) +{ + /* hard code the crc loop instead of using CRC_INNER_LOOP macro + * to avoid the undefined and unnecessary (uint8 >> 8) operation. + */ + while (nbytes-- > 0) + crc = crc8_table[(crc ^ *pdata++) & 0xff]; + + return crc; +} + +char * +bcm_ether_ntoa (struct ether_addr *ea, char *buf) +{ + snprintf (buf, 18, "%02x:%02x:%02x:%02x:%02x:%02x", + ea->octet[0] & 0xff, ea->octet[1] & 0xff, ea->octet[2] & 0xff, + ea->octet[3] & 0xff, ea->octet[4] & 0xff, ea->octet[5] & 0xff); + return (buf); +} + |