diff options
Diffstat (limited to 'drivers/net/wireless/ath9k/debug.c')
| -rw-r--r-- | drivers/net/wireless/ath9k/debug.c | 262 |
1 files changed, 0 insertions, 262 deletions
diff --git a/drivers/net/wireless/ath9k/debug.c b/drivers/net/wireless/ath9k/debug.c deleted file mode 100644 index a80ed576830..00000000000 --- a/drivers/net/wireless/ath9k/debug.c +++ /dev/null @@ -1,262 +0,0 @@ -/* - * Copyright (c) 2008 Atheros Communications Inc. - * - * Permission to use, copy, modify, and/or distribute this software for any - * purpose with or without fee is hereby granted, provided that the above - * copyright notice and this permission notice appear in all copies. - * - * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES - * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF - * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR - * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES - * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN - * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF - * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. - */ - -#include "core.h" -#include "reg.h" -#include "hw.h" - -static unsigned int ath9k_debug = DBG_DEFAULT; -module_param_named(debug, ath9k_debug, uint, 0); - -void DPRINTF(struct ath_softc *sc, int dbg_mask, const char *fmt, ...) -{ - if (!sc) - return; - - if (sc->sc_debug.debug_mask & dbg_mask) { - va_list args; - - va_start(args, fmt); - printk(KERN_DEBUG "ath9k: "); - vprintk(fmt, args); - va_end(args); - } -} - -static int ath9k_debugfs_open(struct inode *inode, struct file *file) -{ - file->private_data = inode->i_private; - return 0; -} - -static ssize_t read_file_dma(struct file *file, char __user *user_buf, - size_t count, loff_t *ppos) -{ - struct ath_softc *sc = file->private_data; - struct ath_hal *ah = sc->sc_ah; - char buf[1024]; - unsigned int len = 0; - u32 val[ATH9K_NUM_DMA_DEBUG_REGS]; - int i, qcuOffset = 0, dcuOffset = 0; - u32 *qcuBase = &val[0], *dcuBase = &val[4]; - - REG_WRITE(ah, AR_MACMISC, - ((AR_MACMISC_DMA_OBS_LINE_8 << AR_MACMISC_DMA_OBS_S) | - (AR_MACMISC_MISC_OBS_BUS_1 << - AR_MACMISC_MISC_OBS_BUS_MSB_S))); - - len += snprintf(buf + len, sizeof(buf) - len, - "Raw DMA Debug values:\n"); - - for (i = 0; i < ATH9K_NUM_DMA_DEBUG_REGS; i++) { - if (i % 4 == 0) - len += snprintf(buf + len, sizeof(buf) - len, "\n"); - - val[i] = REG_READ(ah, AR_DMADBG_0 + (i * sizeof(u32))); - len += snprintf(buf + len, sizeof(buf) - len, "%d: %08x ", - i, val[i]); - } - - len += snprintf(buf + len, sizeof(buf) - len, "\n\n"); - len += snprintf(buf + len, sizeof(buf) - len, - "Num QCU: chain_st fsp_ok fsp_st DCU: chain_st\n"); - - for (i = 0; i < ATH9K_NUM_QUEUES; i++, qcuOffset += 4, dcuOffset += 5) { - if (i == 8) { - qcuOffset = 0; - qcuBase++; - } - - if (i == 6) { - dcuOffset = 0; - dcuBase++; - } - - len += snprintf(buf + len, sizeof(buf) - len, - "%2d %2x %1x %2x %2x\n", - i, (*qcuBase & (0x7 << qcuOffset)) >> qcuOffset, - (*qcuBase & (0x8 << qcuOffset)) >> (qcuOffset + 3), - val[2] & (0x7 << (i * 3)) >> (i * 3), - (*dcuBase & (0x1f << dcuOffset)) >> dcuOffset); - } - - len += snprintf(buf + len, sizeof(buf) - len, "\n"); - - len += snprintf(buf + len, sizeof(buf) - len, - "qcu_stitch state: %2x qcu_fetch state: %2x\n", - (val[3] & 0x003c0000) >> 18, (val[3] & 0x03c00000) >> 22); - len += snprintf(buf + len, sizeof(buf) - len, - "qcu_complete state: %2x dcu_complete state: %2x\n", - (val[3] & 0x1c000000) >> 26, (val[6] & 0x3)); - len += snprintf(buf + len, sizeof(buf) - len, - "dcu_arb state: %2x dcu_fp state: %2x\n", - (val[5] & 0x06000000) >> 25, (val[5] & 0x38000000) >> 27); - len += snprintf(buf + len, sizeof(buf) - len, - "chan_idle_dur: %3d chan_idle_dur_valid: %1d\n", - (val[6] & 0x000003fc) >> 2, (val[6] & 0x00000400) >> 10); - len += snprintf(buf + len, sizeof(buf) - len, - "txfifo_valid_0: %1d txfifo_valid_1: %1d\n", - (val[6] & 0x00000800) >> 11, (val[6] & 0x00001000) >> 12); - len += snprintf(buf + len, sizeof(buf) - len, - "txfifo_dcu_num_0: %2d txfifo_dcu_num_1: %2d\n", - (val[6] & 0x0001e000) >> 13, (val[6] & 0x001e0000) >> 17); - - len += snprintf(buf + len, sizeof(buf) - len, "pcu observe: 0x%x \n", - REG_READ(ah, AR_OBS_BUS_1)); - len += snprintf(buf + len, sizeof(buf) - len, - "AR_CR: 0x%x \n", REG_READ(ah, AR_CR)); - - return simple_read_from_buffer(user_buf, count, ppos, buf, len); -} - -static const struct file_operations fops_dma = { - .read = read_file_dma, - .open = ath9k_debugfs_open, - .owner = THIS_MODULE -}; - - -void ath_debug_stat_interrupt(struct ath_softc *sc, enum ath9k_int status) -{ - if (status) - sc->sc_debug.stats.istats.total++; - if (status & ATH9K_INT_RX) - sc->sc_debug.stats.istats.rxok++; - if (status & ATH9K_INT_RXEOL) - sc->sc_debug.stats.istats.rxeol++; - if (status & ATH9K_INT_RXORN) - sc->sc_debug.stats.istats.rxorn++; - if (status & ATH9K_INT_TX) - sc->sc_debug.stats.istats.txok++; - if (status & ATH9K_INT_TXURN) - sc->sc_debug.stats.istats.txurn++; - if (status & ATH9K_INT_MIB) - sc->sc_debug.stats.istats.mib++; - if (status & ATH9K_INT_RXPHY) - sc->sc_debug.stats.istats.rxphyerr++; - if (status & ATH9K_INT_RXKCM) - sc->sc_debug.stats.istats.rx_keycache_miss++; - if (status & ATH9K_INT_SWBA) - sc->sc_debug.stats.istats.swba++; - if (status & ATH9K_INT_BMISS) - sc->sc_debug.stats.istats.bmiss++; - if (status & ATH9K_INT_BNR) - sc->sc_debug.stats.istats.bnr++; - if (status & ATH9K_INT_CST) - sc->sc_debug.stats.istats.cst++; - if (status & ATH9K_INT_GTT) - sc->sc_debug.stats.istats.gtt++; - if (status & ATH9K_INT_TIM) - sc->sc_debug.stats.istats.tim++; - if (status & ATH9K_INT_CABEND) - sc->sc_debug.stats.istats.cabend++; - if (status & ATH9K_INT_DTIMSYNC) - sc->sc_debug.stats.istats.dtimsync++; - if (status & ATH9K_INT_DTIM) - sc->sc_debug.stats.istats.dtim++; -} - -static ssize_t read_file_interrupt(struct file *file, char __user *user_buf, - size_t count, loff_t *ppos) -{ - struct ath_softc *sc = file->private_data; - char buf[512]; - unsigned int len = 0; - - len += snprintf(buf + len, sizeof(buf) - len, - "%8s: %10u\n", "RX", sc->sc_debug.stats.istats.rxok); - len += snprintf(buf + len, sizeof(buf) - len, - "%8s: %10u\n", "RXEOL", sc->sc_debug.stats.istats.rxeol); - len += snprintf(buf + len, sizeof(buf) - len, - "%8s: %10u\n", "RXORN", sc->sc_debug.stats.istats.rxorn); - len += snprintf(buf + len, sizeof(buf) - len, - "%8s: %10u\n", "TX", sc->sc_debug.stats.istats.txok); - len += snprintf(buf + len, sizeof(buf) - len, - "%8s: %10u\n", "TXURN", sc->sc_debug.stats.istats.txurn); - len += snprintf(buf + len, sizeof(buf) - len, - "%8s: %10u\n", "MIB", sc->sc_debug.stats.istats.mib); - len += snprintf(buf + len, sizeof(buf) - len, - "%8s: %10u\n", "RXPHY", sc->sc_debug.stats.istats.rxphyerr); - len += snprintf(buf + len, sizeof(buf) - len, - "%8s: %10u\n", "RXKCM", sc->sc_debug.stats.istats.rx_keycache_miss); - len += snprintf(buf + len, sizeof(buf) - len, - "%8s: %10u\n", "SWBA", sc->sc_debug.stats.istats.swba); - len += snprintf(buf + len, sizeof(buf) - len, - "%8s: %10u\n", "BMISS", sc->sc_debug.stats.istats.bmiss); - len += snprintf(buf + len, sizeof(buf) - len, - "%8s: %10u\n", "BNR", sc->sc_debug.stats.istats.bnr); - len += snprintf(buf + len, sizeof(buf) - len, - "%8s: %10u\n", "CST", sc->sc_debug.stats.istats.cst); - len += snprintf(buf + len, sizeof(buf) - len, - "%8s: %10u\n", "GTT", sc->sc_debug.stats.istats.gtt); - len += snprintf(buf + len, sizeof(buf) - len, - "%8s: %10u\n", "TIM", sc->sc_debug.stats.istats.tim); - len += snprintf(buf + len, sizeof(buf) - len, - "%8s: %10u\n", "CABEND", sc->sc_debug.stats.istats.cabend); - len += snprintf(buf + len, sizeof(buf) - len, - "%8s: %10u\n", "DTIMSYNC", sc->sc_debug.stats.istats.dtimsync); - len += snprintf(buf + len, sizeof(buf) - len, - "%8s: %10u\n", "DTIM", sc->sc_debug.stats.istats.dtim); - len += snprintf(buf + len, sizeof(buf) - len, - "%8s: %10u\n", "TOTAL", sc->sc_debug.stats.istats.total); - - return simple_read_from_buffer(user_buf, count, ppos, buf, len); -} - -static const struct file_operations fops_interrupt = { - .read = read_file_interrupt, - .open = ath9k_debugfs_open, - .owner = THIS_MODULE -}; - -int ath9k_init_debug(struct ath_softc *sc) -{ - sc->sc_debug.debug_mask = ath9k_debug; - - sc->sc_debug.debugfs_root = debugfs_create_dir(KBUILD_MODNAME, NULL); - if (!sc->sc_debug.debugfs_root) - goto err; - - sc->sc_debug.debugfs_phy = debugfs_create_dir(wiphy_name(sc->hw->wiphy), - sc->sc_debug.debugfs_root); - if (!sc->sc_debug.debugfs_phy) - goto err; - - sc->sc_debug.debugfs_dma = debugfs_create_file("dma", S_IRUGO, - sc->sc_debug.debugfs_phy, sc, &fops_dma); - if (!sc->sc_debug.debugfs_dma) - goto err; - - sc->sc_debug.debugfs_interrupt = debugfs_create_file("interrupt", - S_IRUGO, - sc->sc_debug.debugfs_phy, - sc, &fops_interrupt); - if (!sc->sc_debug.debugfs_interrupt) - goto err; - - return 0; -err: - ath9k_exit_debug(sc); - return -ENOMEM; -} - -void ath9k_exit_debug(struct ath_softc *sc) -{ - debugfs_remove(sc->sc_debug.debugfs_interrupt); - debugfs_remove(sc->sc_debug.debugfs_dma); - debugfs_remove(sc->sc_debug.debugfs_phy); - debugfs_remove(sc->sc_debug.debugfs_root); -} |