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/*
* digiDebug.c
*
* Copyright (C) 2009 by Digi International Inc.
* All rights reserved.
*
* This program is free software; you can redistribute it and/or modify it
* under the terms of the GNU General Public License version 2 as published by
* the Free Software Foundation.
*/
/*
* This file contains some debugging routines.
*/
#include <linux/kernel.h>
#include <linux/module.h>
#include <linux/kthread.h>
#include "pipermain.h"
#include "mac.h"
#define DUMP_WORDS_MAX (700)
static unsigned int dumpWordsWord[DUMP_WORDS_MAX];
static unsigned int dumpWordsCount = 0;
void digiWifiDumpWordsAdd(unsigned int word)
{
if (dumpWordsCount < DUMP_WORDS_MAX)
{
dumpWordsWord[dumpWordsCount++] = word;
}
}
void digiWifiDumpWordsDump(void)
{
unsigned int *p = dumpWordsWord;
unsigned int wordsToGo = dumpWordsCount;
dumpWordsCount = 0;
while (wordsToGo >= 4)
{
digi_dbg("%8.8X %8.8X - %8.8X %8.8X\n", p[0], p[1], p[2], p[3]);
p += 4;
wordsToGo -= 4;
}
if (wordsToGo == 3)
{
digi_dbg("%8.8X %8.8X - %8.8X\n", p[0], p[1], p[2]);
}
else if (wordsToGo == 2)
{
digi_dbg("%8.8X %8.8X \n", p[0], p[1]);
}
else if (wordsToGo == 1)
{
digi_dbg("%8.8X \n", p[0]);
}
digi_dbg("--------------\n");
}
void digiWifiDumpWordsReset(void)
{
dumpWordsCount = 0;
}
void digiWifiDumpBuffer(u8 *buffer, unsigned int length)
{
unsigned int i, word;
digiWifiDumpWordsReset();
for (i = 0; i < length / sizeof(unsigned int); i++)
{
memcpy(&word, &buffer[i*sizeof(unsigned int)], sizeof(word));
digiWifiDumpWordsAdd(cpu_to_be32(word));
}
digiWifiDumpWordsDump();
}
void digiWifiDumpSkb(struct sk_buff *skb)
{
unsigned int bytesLeft = skb->len;
unsigned char *p = skb->data;
digi_dbg("skb has %d bytes\n", skb->len);
while (bytesLeft >= 16)
{
digi_dbg("%2.2X %2.2X %2.2X %2.2X %2.2X %2.2X %2.2X %2.2X - %2.2X %2.2X %2.2X %2.2X %2.2X %2.2X %2.2X %2.2X\n",
p[0], p[1], p[2], p[3], p[4], p[5], p[6], p[7], p[8], p[9], p[10], p[11], p[12], p[13], p[14], p[15]);
p += 16;
bytesLeft -= 16;
}
if (bytesLeft >= 8)
{
digi_dbg("%2.2X %2.2X %2.2X %2.2X %2.2X %2.2X %2.2X %2.2X\n",
p[0], p[1], p[2], p[3], p[4], p[5], p[6], p[7]);
p += 8;
bytesLeft -= 8;
}
if (bytesLeft >= 4)
{
digi_dbg("%2.2X %2.2X %2.2X %2.2X \n",
p[0], p[1], p[2], p[3]);
p += 4;
bytesLeft -= 4;
}
if (bytesLeft >= 2)
{
digi_dbg("%2.2X %2.2X \n",
p[0], p[1]);
p += 2;
bytesLeft -= 2;
}
if (bytesLeft >= 1)
{
digi_dbg("%2.2X \n",
p[0]);
p += 1;
bytesLeft -= 1;
}
}
EXPORT_SYMBOL_GPL(digiWifiDumpSkb);
void digiWifiDumpRegisters(struct piper_priv *digi, unsigned int regs)
{
#ifdef WANT_DEBUG
unsigned int i;
if (regs & CTRL_STATUS_REGS)
{
printk(KERN_ERR " %10.10s = 0x%8.8X %10.10s = 0x%8.8X\n", "Gen Ctrl", digi->ac->rd_reg(digi, BB_GENERAL_CTL),
"Gen Status", digi->ac->rd_reg(digi, BB_GENERAL_STAT));
}
else if (regs & IRQ_REGS)
{
printk(KERN_ERR " %10.10s = 0x%8.8X %10.10s = 0x%8.8X\n", "IRQ Mask", digi->ac->rd_reg(digi, BB_IRQ_MASK),
"IRQ Status", digi->ac->rd_reg(digi, BB_IRQ_STAT));
}
else if (regs & MAIN_REGS)
{
const char *regNames[] = {"Version", "Gen Ctrl", "Gen Status", "RSSI/AES",
"Int Mask", "Int Status", "SPI Data", "SPI Ctrl",
"Data FIFO", "not used", "conf-1", "conf-2", "AES FIFO",
"not used", "AES Ctrl", "IO Ctrl"};
printk(KERN_ERR "Main Registers:\n");
for (i = BB_VERSION; i <= BB_OUTPUT_CONTROL; i = i+8)
{
if ((i != BB_DATA_FIFO) && (i != BB_AES_FIFO))
{
printk(KERN_ERR " %10.10s = 0x%8.8X %10.10s = 0x%8.8X\n", regNames[i>>2], digi->ac->rd_reg(digi, i), regNames[(i>>2) + 1], digi->ac->rd_reg(digi, i+4));
}
}
}
if (regs & MAC_REGS)
{
const char *regNames[] = {"STA ID0", "STA ID1", "BSS ID0", "BSS ID1",
"OFDM/PSK", "Backoff", "DTIM/List", "B Int",
"Rev/M Stat", "C C/M CTL", "Measure", "Beac Fltr"};
printk(KERN_ERR "Secondary Registers:\n");
for (i = MAC_STA_ID0; i <= MAC_BEACON_FILT; i = i+8)
{
printk(KERN_ERR " %10.10s = 0x%8.8X %10.10s = 0x%8.8X\n", regNames[((i - MAC_STA_ID0) >>2)], digi->ac->rd_reg(digi, i), regNames[((i - MAC_STA_ID0)>>2) + 1], digi->ac->rd_reg(digi, i+4));
}
}
if (regs & FRAME_BUFFER_REGS)
{
unsigned int word[4];
printk(KERN_ERR "Real time frame buffer\n");
word[0] = be32_to_cpu(digi->ac->rd_reg(digi, 0xc0));
word[1] = be32_to_cpu(digi->ac->rd_reg(digi, 0xc4));
word[2] = be32_to_cpu(digi->ac->rd_reg(digi, 0xc8));
word[3] = be32_to_cpu(digi->ac->rd_reg(digi, 0xcc));
printk(KERN_ERR " %8.8X %8.8X - %8.8X %8.8X\n", word[0], word[1], word[2], word[3]);
word[0] = be32_to_cpu(digi->ac->rd_reg(digi, 0xd0));
word[1] = be32_to_cpu(digi->ac->rd_reg(digi, 0xd4));
word[2] = be32_to_cpu(digi->ac->rd_reg(digi, 0xd8));
word[3] = be32_to_cpu(digi->ac->rd_reg(digi, 0xdc));
printk(KERN_ERR " %8.8X %8.8X - %8.8X %8.8X\n", word[0], word[1], word[2], word[3]);
}
if (regs & FIFO_REGS)
{
unsigned int word[4];
printk(KERN_ERR "FIFO contents\n");
word[0] = digi->ac->rd_reg(digi, BB_DATA_FIFO);
word[1] = digi->ac->rd_reg(digi, BB_DATA_FIFO);
word[2] = digi->ac->rd_reg(digi, BB_DATA_FIFO);
word[3] = digi->ac->rd_reg(digi, BB_DATA_FIFO);
printk(KERN_ERR " %8.8X %8.8X - %8.8X %8.8X\n", word[0], word[1], word[2], word[3]);
word[0] = digi->ac->rd_reg(digi, BB_DATA_FIFO);
word[1] = digi->ac->rd_reg(digi, BB_DATA_FIFO);
word[2] = digi->ac->rd_reg(digi, BB_DATA_FIFO);
word[3] = digi->ac->rd_reg(digi, BB_DATA_FIFO);
printk(KERN_ERR " %8.8X %8.8X - %8.8X %8.8X\n", word[0], word[1], word[2], word[3]);
}
#endif
}
EXPORT_SYMBOL_GPL(digiWifiDumpRegisters);
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