diff options
Diffstat (limited to 'drivers/net/wireless/digiPiper/digiDebug.c')
| -rw-r--r-- | drivers/net/wireless/digiPiper/digiDebug.c | 205 |
1 files changed, 205 insertions, 0 deletions
diff --git a/drivers/net/wireless/digiPiper/digiDebug.c b/drivers/net/wireless/digiPiper/digiDebug.c new file mode 100644 index 000000000000..627dd8c698ec --- /dev/null +++ b/drivers/net/wireless/digiPiper/digiDebug.c @@ -0,0 +1,205 @@ +/* + * 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); |