651 lines
19 KiB
C
651 lines
19 KiB
C
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/*
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* Copyright (c) 2008-2009 Atheros Communications Inc.
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*
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* Permission to use, copy, modify, and/or distribute this software for any
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* purpose with or without fee is hereby granted, provided that the above
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* copyright notice and this permission notice appear in all copies.
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*
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* THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
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* WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
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* MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
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* ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
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* WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
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* ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
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* OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
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*/
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#include <asm/unaligned.h>
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#include "ath9k.h"
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static unsigned int ath9k_debug = DBG_DEFAULT;
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module_param_named(debug, ath9k_debug, uint, 0);
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static struct dentry *ath9k_debugfs_root;
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void DPRINTF(struct ath_softc *sc, int dbg_mask, const char *fmt, ...)
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{
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if (!sc)
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return;
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if (sc->debug.debug_mask & dbg_mask) {
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va_list args;
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va_start(args, fmt);
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printk(KERN_DEBUG "ath9k: ");
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vprintk(fmt, args);
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va_end(args);
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}
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}
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static int ath9k_debugfs_open(struct inode *inode, struct file *file)
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{
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file->private_data = inode->i_private;
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return 0;
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}
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static ssize_t read_file_debug(struct file *file, char __user *user_buf,
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size_t count, loff_t *ppos)
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{
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struct ath_softc *sc = file->private_data;
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char buf[32];
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unsigned int len;
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len = snprintf(buf, sizeof(buf), "0x%08x\n", sc->debug.debug_mask);
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return simple_read_from_buffer(user_buf, count, ppos, buf, len);
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}
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static ssize_t write_file_debug(struct file *file, const char __user *user_buf,
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size_t count, loff_t *ppos)
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{
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struct ath_softc *sc = file->private_data;
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unsigned long mask;
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char buf[32];
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ssize_t len;
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len = min(count, sizeof(buf) - 1);
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if (copy_from_user(buf, user_buf, len))
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return -EINVAL;
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buf[len] = '\0';
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if (strict_strtoul(buf, 0, &mask))
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return -EINVAL;
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sc->debug.debug_mask = mask;
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return count;
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}
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static const struct file_operations fops_debug = {
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.read = read_file_debug,
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.write = write_file_debug,
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.open = ath9k_debugfs_open,
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.owner = THIS_MODULE
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};
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static ssize_t read_file_dma(struct file *file, char __user *user_buf,
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size_t count, loff_t *ppos)
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{
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struct ath_softc *sc = file->private_data;
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struct ath_hw *ah = sc->sc_ah;
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char buf[1024];
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unsigned int len = 0;
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u32 val[ATH9K_NUM_DMA_DEBUG_REGS];
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int i, qcuOffset = 0, dcuOffset = 0;
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u32 *qcuBase = &val[0], *dcuBase = &val[4];
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ath9k_ps_wakeup(sc);
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REG_WRITE(ah, AR_MACMISC,
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((AR_MACMISC_DMA_OBS_LINE_8 << AR_MACMISC_DMA_OBS_S) |
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(AR_MACMISC_MISC_OBS_BUS_1 <<
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AR_MACMISC_MISC_OBS_BUS_MSB_S)));
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len += snprintf(buf + len, sizeof(buf) - len,
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"Raw DMA Debug values:\n");
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for (i = 0; i < ATH9K_NUM_DMA_DEBUG_REGS; i++) {
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if (i % 4 == 0)
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len += snprintf(buf + len, sizeof(buf) - len, "\n");
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val[i] = REG_READ(ah, AR_DMADBG_0 + (i * sizeof(u32)));
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len += snprintf(buf + len, sizeof(buf) - len, "%d: %08x ",
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i, val[i]);
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}
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len += snprintf(buf + len, sizeof(buf) - len, "\n\n");
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len += snprintf(buf + len, sizeof(buf) - len,
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"Num QCU: chain_st fsp_ok fsp_st DCU: chain_st\n");
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for (i = 0; i < ATH9K_NUM_QUEUES; i++, qcuOffset += 4, dcuOffset += 5) {
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if (i == 8) {
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qcuOffset = 0;
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qcuBase++;
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}
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if (i == 6) {
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dcuOffset = 0;
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dcuBase++;
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}
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len += snprintf(buf + len, sizeof(buf) - len,
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"%2d %2x %1x %2x %2x\n",
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i, (*qcuBase & (0x7 << qcuOffset)) >> qcuOffset,
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(*qcuBase & (0x8 << qcuOffset)) >> (qcuOffset + 3),
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val[2] & (0x7 << (i * 3)) >> (i * 3),
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(*dcuBase & (0x1f << dcuOffset)) >> dcuOffset);
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}
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len += snprintf(buf + len, sizeof(buf) - len, "\n");
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len += snprintf(buf + len, sizeof(buf) - len,
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"qcu_stitch state: %2x qcu_fetch state: %2x\n",
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(val[3] & 0x003c0000) >> 18, (val[3] & 0x03c00000) >> 22);
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len += snprintf(buf + len, sizeof(buf) - len,
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"qcu_complete state: %2x dcu_complete state: %2x\n",
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(val[3] & 0x1c000000) >> 26, (val[6] & 0x3));
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len += snprintf(buf + len, sizeof(buf) - len,
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"dcu_arb state: %2x dcu_fp state: %2x\n",
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(val[5] & 0x06000000) >> 25, (val[5] & 0x38000000) >> 27);
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len += snprintf(buf + len, sizeof(buf) - len,
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"chan_idle_dur: %3d chan_idle_dur_valid: %1d\n",
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(val[6] & 0x000003fc) >> 2, (val[6] & 0x00000400) >> 10);
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len += snprintf(buf + len, sizeof(buf) - len,
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"txfifo_valid_0: %1d txfifo_valid_1: %1d\n",
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(val[6] & 0x00000800) >> 11, (val[6] & 0x00001000) >> 12);
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len += snprintf(buf + len, sizeof(buf) - len,
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"txfifo_dcu_num_0: %2d txfifo_dcu_num_1: %2d\n",
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(val[6] & 0x0001e000) >> 13, (val[6] & 0x001e0000) >> 17);
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len += snprintf(buf + len, sizeof(buf) - len, "pcu observe: 0x%x \n",
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REG_READ(ah, AR_OBS_BUS_1));
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len += snprintf(buf + len, sizeof(buf) - len,
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"AR_CR: 0x%x \n", REG_READ(ah, AR_CR));
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ath9k_ps_restore(sc);
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return simple_read_from_buffer(user_buf, count, ppos, buf, len);
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}
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static const struct file_operations fops_dma = {
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.read = read_file_dma,
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.open = ath9k_debugfs_open,
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.owner = THIS_MODULE
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};
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void ath_debug_stat_interrupt(struct ath_softc *sc, enum ath9k_int status)
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{
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if (status)
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sc->debug.stats.istats.total++;
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if (status & ATH9K_INT_RX)
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sc->debug.stats.istats.rxok++;
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if (status & ATH9K_INT_RXEOL)
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sc->debug.stats.istats.rxeol++;
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if (status & ATH9K_INT_RXORN)
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sc->debug.stats.istats.rxorn++;
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if (status & ATH9K_INT_TX)
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sc->debug.stats.istats.txok++;
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if (status & ATH9K_INT_TXURN)
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sc->debug.stats.istats.txurn++;
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if (status & ATH9K_INT_MIB)
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sc->debug.stats.istats.mib++;
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if (status & ATH9K_INT_RXPHY)
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sc->debug.stats.istats.rxphyerr++;
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if (status & ATH9K_INT_RXKCM)
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sc->debug.stats.istats.rx_keycache_miss++;
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if (status & ATH9K_INT_SWBA)
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sc->debug.stats.istats.swba++;
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if (status & ATH9K_INT_BMISS)
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sc->debug.stats.istats.bmiss++;
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if (status & ATH9K_INT_BNR)
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sc->debug.stats.istats.bnr++;
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if (status & ATH9K_INT_CST)
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sc->debug.stats.istats.cst++;
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if (status & ATH9K_INT_GTT)
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sc->debug.stats.istats.gtt++;
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if (status & ATH9K_INT_TIM)
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sc->debug.stats.istats.tim++;
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if (status & ATH9K_INT_CABEND)
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sc->debug.stats.istats.cabend++;
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if (status & ATH9K_INT_DTIMSYNC)
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sc->debug.stats.istats.dtimsync++;
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if (status & ATH9K_INT_DTIM)
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sc->debug.stats.istats.dtim++;
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}
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static ssize_t read_file_interrupt(struct file *file, char __user *user_buf,
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size_t count, loff_t *ppos)
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{
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struct ath_softc *sc = file->private_data;
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char buf[512];
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unsigned int len = 0;
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len += snprintf(buf + len, sizeof(buf) - len,
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"%8s: %10u\n", "RX", sc->debug.stats.istats.rxok);
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len += snprintf(buf + len, sizeof(buf) - len,
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"%8s: %10u\n", "RXEOL", sc->debug.stats.istats.rxeol);
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len += snprintf(buf + len, sizeof(buf) - len,
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"%8s: %10u\n", "RXORN", sc->debug.stats.istats.rxorn);
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len += snprintf(buf + len, sizeof(buf) - len,
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"%8s: %10u\n", "TX", sc->debug.stats.istats.txok);
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len += snprintf(buf + len, sizeof(buf) - len,
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"%8s: %10u\n", "TXURN", sc->debug.stats.istats.txurn);
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len += snprintf(buf + len, sizeof(buf) - len,
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"%8s: %10u\n", "MIB", sc->debug.stats.istats.mib);
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len += snprintf(buf + len, sizeof(buf) - len,
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"%8s: %10u\n", "RXPHY", sc->debug.stats.istats.rxphyerr);
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len += snprintf(buf + len, sizeof(buf) - len,
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"%8s: %10u\n", "RXKCM", sc->debug.stats.istats.rx_keycache_miss);
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len += snprintf(buf + len, sizeof(buf) - len,
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"%8s: %10u\n", "SWBA", sc->debug.stats.istats.swba);
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len += snprintf(buf + len, sizeof(buf) - len,
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"%8s: %10u\n", "BMISS", sc->debug.stats.istats.bmiss);
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len += snprintf(buf + len, sizeof(buf) - len,
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"%8s: %10u\n", "BNR", sc->debug.stats.istats.bnr);
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len += snprintf(buf + len, sizeof(buf) - len,
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"%8s: %10u\n", "CST", sc->debug.stats.istats.cst);
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len += snprintf(buf + len, sizeof(buf) - len,
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"%8s: %10u\n", "GTT", sc->debug.stats.istats.gtt);
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len += snprintf(buf + len, sizeof(buf) - len,
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"%8s: %10u\n", "TIM", sc->debug.stats.istats.tim);
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len += snprintf(buf + len, sizeof(buf) - len,
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"%8s: %10u\n", "CABEND", sc->debug.stats.istats.cabend);
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len += snprintf(buf + len, sizeof(buf) - len,
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"%8s: %10u\n", "DTIMSYNC", sc->debug.stats.istats.dtimsync);
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len += snprintf(buf + len, sizeof(buf) - len,
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"%8s: %10u\n", "DTIM", sc->debug.stats.istats.dtim);
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len += snprintf(buf + len, sizeof(buf) - len,
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"%8s: %10u\n", "TOTAL", sc->debug.stats.istats.total);
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return simple_read_from_buffer(user_buf, count, ppos, buf, len);
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}
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static const struct file_operations fops_interrupt = {
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.read = read_file_interrupt,
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.open = ath9k_debugfs_open,
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.owner = THIS_MODULE
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};
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void ath_debug_stat_rc(struct ath_softc *sc, struct sk_buff *skb)
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{
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struct ath_tx_info_priv *tx_info_priv = NULL;
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struct ieee80211_tx_info *tx_info = IEEE80211_SKB_CB(skb);
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struct ieee80211_tx_rate *rates = tx_info->status.rates;
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int final_ts_idx, idx;
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struct ath_rc_stats *stats;
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tx_info_priv = ATH_TX_INFO_PRIV(tx_info);
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final_ts_idx = tx_info_priv->tx.ts_rateindex;
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idx = rates[final_ts_idx].idx;
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stats = &sc->debug.stats.rcstats[idx];
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stats->success++;
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}
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void ath_debug_stat_retries(struct ath_softc *sc, int rix,
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int xretries, int retries, u8 per)
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{
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struct ath_rc_stats *stats = &sc->debug.stats.rcstats[rix];
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stats->xretries += xretries;
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stats->retries += retries;
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stats->per = per;
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}
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static ssize_t read_file_rcstat(struct file *file, char __user *user_buf,
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size_t count, loff_t *ppos)
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{
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struct ath_softc *sc = file->private_data;
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char *buf;
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unsigned int len = 0, max;
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int i = 0;
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ssize_t retval;
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if (sc->cur_rate_table == NULL)
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return 0;
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max = 80 + sc->cur_rate_table->rate_cnt * 64;
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buf = kmalloc(max + 1, GFP_KERNEL);
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if (buf == NULL)
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return 0;
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buf[max] = 0;
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len += sprintf(buf, "%5s %15s %8s %9s %3s\n\n", "Rate", "Success",
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"Retries", "XRetries", "PER");
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for (i = 0; i < sc->cur_rate_table->rate_cnt; i++) {
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u32 ratekbps = sc->cur_rate_table->info[i].ratekbps;
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struct ath_rc_stats *stats = &sc->debug.stats.rcstats[i];
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len += snprintf(buf + len, max - len,
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|
|
"%3u.%d: %8u %8u %8u %8u\n", ratekbps / 1000,
|
||
|
|
(ratekbps % 1000) / 100, stats->success,
|
||
|
|
stats->retries, stats->xretries,
|
||
|
|
stats->per);
|
||
|
|
}
|
||
|
|
|
||
|
|
retval = simple_read_from_buffer(user_buf, count, ppos, buf, len);
|
||
|
|
kfree(buf);
|
||
|
|
return retval;
|
||
|
|
}
|
||
|
|
|
||
|
|
static const struct file_operations fops_rcstat = {
|
||
|
|
.read = read_file_rcstat,
|
||
|
|
.open = ath9k_debugfs_open,
|
||
|
|
.owner = THIS_MODULE
|
||
|
|
};
|
||
|
|
|
||
|
|
static const char * ath_wiphy_state_str(enum ath_wiphy_state state)
|
||
|
|
{
|
||
|
|
switch (state) {
|
||
|
|
case ATH_WIPHY_INACTIVE:
|
||
|
|
return "INACTIVE";
|
||
|
|
case ATH_WIPHY_ACTIVE:
|
||
|
|
return "ACTIVE";
|
||
|
|
case ATH_WIPHY_PAUSING:
|
||
|
|
return "PAUSING";
|
||
|
|
case ATH_WIPHY_PAUSED:
|
||
|
|
return "PAUSED";
|
||
|
|
case ATH_WIPHY_SCAN:
|
||
|
|
return "SCAN";
|
||
|
|
}
|
||
|
|
return "?";
|
||
|
|
}
|
||
|
|
|
||
|
|
static ssize_t read_file_wiphy(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;
|
||
|
|
int i;
|
||
|
|
u8 addr[ETH_ALEN];
|
||
|
|
|
||
|
|
len += snprintf(buf + len, sizeof(buf) - len,
|
||
|
|
"primary: %s (%s chan=%d ht=%d)\n",
|
||
|
|
wiphy_name(sc->pri_wiphy->hw->wiphy),
|
||
|
|
ath_wiphy_state_str(sc->pri_wiphy->state),
|
||
|
|
sc->pri_wiphy->chan_idx, sc->pri_wiphy->chan_is_ht);
|
||
|
|
for (i = 0; i < sc->num_sec_wiphy; i++) {
|
||
|
|
struct ath_wiphy *aphy = sc->sec_wiphy[i];
|
||
|
|
if (aphy == NULL)
|
||
|
|
continue;
|
||
|
|
len += snprintf(buf + len, sizeof(buf) - len,
|
||
|
|
"secondary: %s (%s chan=%d ht=%d)\n",
|
||
|
|
wiphy_name(aphy->hw->wiphy),
|
||
|
|
ath_wiphy_state_str(aphy->state),
|
||
|
|
aphy->chan_idx, aphy->chan_is_ht);
|
||
|
|
}
|
||
|
|
|
||
|
|
put_unaligned_le32(REG_READ(sc->sc_ah, AR_STA_ID0), addr);
|
||
|
|
put_unaligned_le16(REG_READ(sc->sc_ah, AR_STA_ID1) & 0xffff, addr + 4);
|
||
|
|
len += snprintf(buf + len, sizeof(buf) - len,
|
||
|
|
"addr: %pM\n", addr);
|
||
|
|
put_unaligned_le32(REG_READ(sc->sc_ah, AR_BSSMSKL), addr);
|
||
|
|
put_unaligned_le16(REG_READ(sc->sc_ah, AR_BSSMSKU) & 0xffff, addr + 4);
|
||
|
|
len += snprintf(buf + len, sizeof(buf) - len,
|
||
|
|
"addrmask: %pM\n", addr);
|
||
|
|
|
||
|
|
return simple_read_from_buffer(user_buf, count, ppos, buf, len);
|
||
|
|
}
|
||
|
|
|
||
|
|
static struct ath_wiphy * get_wiphy(struct ath_softc *sc, const char *name)
|
||
|
|
{
|
||
|
|
int i;
|
||
|
|
if (strcmp(name, wiphy_name(sc->pri_wiphy->hw->wiphy)) == 0)
|
||
|
|
return sc->pri_wiphy;
|
||
|
|
for (i = 0; i < sc->num_sec_wiphy; i++) {
|
||
|
|
struct ath_wiphy *aphy = sc->sec_wiphy[i];
|
||
|
|
if (aphy && strcmp(name, wiphy_name(aphy->hw->wiphy)) == 0)
|
||
|
|
return aphy;
|
||
|
|
}
|
||
|
|
return NULL;
|
||
|
|
}
|
||
|
|
|
||
|
|
static int del_wiphy(struct ath_softc *sc, const char *name)
|
||
|
|
{
|
||
|
|
struct ath_wiphy *aphy = get_wiphy(sc, name);
|
||
|
|
if (!aphy)
|
||
|
|
return -ENOENT;
|
||
|
|
return ath9k_wiphy_del(aphy);
|
||
|
|
}
|
||
|
|
|
||
|
|
static int pause_wiphy(struct ath_softc *sc, const char *name)
|
||
|
|
{
|
||
|
|
struct ath_wiphy *aphy = get_wiphy(sc, name);
|
||
|
|
if (!aphy)
|
||
|
|
return -ENOENT;
|
||
|
|
return ath9k_wiphy_pause(aphy);
|
||
|
|
}
|
||
|
|
|
||
|
|
static int unpause_wiphy(struct ath_softc *sc, const char *name)
|
||
|
|
{
|
||
|
|
struct ath_wiphy *aphy = get_wiphy(sc, name);
|
||
|
|
if (!aphy)
|
||
|
|
return -ENOENT;
|
||
|
|
return ath9k_wiphy_unpause(aphy);
|
||
|
|
}
|
||
|
|
|
||
|
|
static int select_wiphy(struct ath_softc *sc, const char *name)
|
||
|
|
{
|
||
|
|
struct ath_wiphy *aphy = get_wiphy(sc, name);
|
||
|
|
if (!aphy)
|
||
|
|
return -ENOENT;
|
||
|
|
return ath9k_wiphy_select(aphy);
|
||
|
|
}
|
||
|
|
|
||
|
|
static int schedule_wiphy(struct ath_softc *sc, const char *msec)
|
||
|
|
{
|
||
|
|
ath9k_wiphy_set_scheduler(sc, simple_strtoul(msec, NULL, 0));
|
||
|
|
return 0;
|
||
|
|
}
|
||
|
|
|
||
|
|
static ssize_t write_file_wiphy(struct file *file, const char __user *user_buf,
|
||
|
|
size_t count, loff_t *ppos)
|
||
|
|
{
|
||
|
|
struct ath_softc *sc = file->private_data;
|
||
|
|
char buf[50];
|
||
|
|
size_t len;
|
||
|
|
|
||
|
|
len = min(count, sizeof(buf) - 1);
|
||
|
|
if (copy_from_user(buf, user_buf, len))
|
||
|
|
return -EFAULT;
|
||
|
|
buf[len] = '\0';
|
||
|
|
if (len > 0 && buf[len - 1] == '\n')
|
||
|
|
buf[len - 1] = '\0';
|
||
|
|
|
||
|
|
if (strncmp(buf, "add", 3) == 0) {
|
||
|
|
int res = ath9k_wiphy_add(sc);
|
||
|
|
if (res < 0)
|
||
|
|
return res;
|
||
|
|
} else if (strncmp(buf, "del=", 4) == 0) {
|
||
|
|
int res = del_wiphy(sc, buf + 4);
|
||
|
|
if (res < 0)
|
||
|
|
return res;
|
||
|
|
} else if (strncmp(buf, "pause=", 6) == 0) {
|
||
|
|
int res = pause_wiphy(sc, buf + 6);
|
||
|
|
if (res < 0)
|
||
|
|
return res;
|
||
|
|
} else if (strncmp(buf, "unpause=", 8) == 0) {
|
||
|
|
int res = unpause_wiphy(sc, buf + 8);
|
||
|
|
if (res < 0)
|
||
|
|
return res;
|
||
|
|
} else if (strncmp(buf, "select=", 7) == 0) {
|
||
|
|
int res = select_wiphy(sc, buf + 7);
|
||
|
|
if (res < 0)
|
||
|
|
return res;
|
||
|
|
} else if (strncmp(buf, "schedule=", 9) == 0) {
|
||
|
|
int res = schedule_wiphy(sc, buf + 9);
|
||
|
|
if (res < 0)
|
||
|
|
return res;
|
||
|
|
} else
|
||
|
|
return -EOPNOTSUPP;
|
||
|
|
|
||
|
|
return count;
|
||
|
|
}
|
||
|
|
|
||
|
|
static const struct file_operations fops_wiphy = {
|
||
|
|
.read = read_file_wiphy,
|
||
|
|
.write = write_file_wiphy,
|
||
|
|
.open = ath9k_debugfs_open,
|
||
|
|
.owner = THIS_MODULE
|
||
|
|
};
|
||
|
|
|
||
|
|
#define PR(str, elem) \
|
||
|
|
do { \
|
||
|
|
len += snprintf(buf + len, size - len, \
|
||
|
|
"%s%13u%11u%10u%10u\n", str, \
|
||
|
|
sc->debug.stats.txstats[sc->tx.hwq_map[ATH9K_WME_AC_BE]].elem, \
|
||
|
|
sc->debug.stats.txstats[sc->tx.hwq_map[ATH9K_WME_AC_BK]].elem, \
|
||
|
|
sc->debug.stats.txstats[sc->tx.hwq_map[ATH9K_WME_AC_VI]].elem, \
|
||
|
|
sc->debug.stats.txstats[sc->tx.hwq_map[ATH9K_WME_AC_VO]].elem); \
|
||
|
|
} while(0)
|
||
|
|
|
||
|
|
static ssize_t read_file_xmit(struct file *file, char __user *user_buf,
|
||
|
|
size_t count, loff_t *ppos)
|
||
|
|
{
|
||
|
|
struct ath_softc *sc = file->private_data;
|
||
|
|
char *buf;
|
||
|
|
unsigned int len = 0, size = 2048;
|
||
|
|
ssize_t retval = 0;
|
||
|
|
|
||
|
|
buf = kzalloc(size, GFP_KERNEL);
|
||
|
|
if (buf == NULL)
|
||
|
|
return 0;
|
||
|
|
|
||
|
|
len += sprintf(buf, "%30s %10s%10s%10s\n\n", "BE", "BK", "VI", "VO");
|
||
|
|
|
||
|
|
PR("MPDUs Queued: ", queued);
|
||
|
|
PR("MPDUs Completed: ", completed);
|
||
|
|
PR("Aggregates: ", a_aggr);
|
||
|
|
PR("AMPDUs Queued: ", a_queued);
|
||
|
|
PR("AMPDUs Completed:", a_completed);
|
||
|
|
PR("AMPDUs Retried: ", a_retries);
|
||
|
|
PR("AMPDUs XRetried: ", a_xretries);
|
||
|
|
PR("FIFO Underrun: ", fifo_underrun);
|
||
|
|
PR("TXOP Exceeded: ", xtxop);
|
||
|
|
PR("TXTIMER Expiry: ", timer_exp);
|
||
|
|
PR("DESC CFG Error: ", desc_cfg_err);
|
||
|
|
PR("DATA Underrun: ", data_underrun);
|
||
|
|
PR("DELIM Underrun: ", delim_underrun);
|
||
|
|
|
||
|
|
retval = simple_read_from_buffer(user_buf, count, ppos, buf, len);
|
||
|
|
kfree(buf);
|
||
|
|
|
||
|
|
return retval;
|
||
|
|
}
|
||
|
|
|
||
|
|
void ath_debug_stat_tx(struct ath_softc *sc, struct ath_txq *txq,
|
||
|
|
struct ath_buf *bf)
|
||
|
|
{
|
||
|
|
struct ath_desc *ds = bf->bf_desc;
|
||
|
|
|
||
|
|
if (bf_isampdu(bf)) {
|
||
|
|
if (bf_isxretried(bf))
|
||
|
|
TX_STAT_INC(txq->axq_qnum, a_xretries);
|
||
|
|
else
|
||
|
|
TX_STAT_INC(txq->axq_qnum, a_completed);
|
||
|
|
} else {
|
||
|
|
TX_STAT_INC(txq->axq_qnum, completed);
|
||
|
|
}
|
||
|
|
|
||
|
|
if (ds->ds_txstat.ts_status & ATH9K_TXERR_FIFO)
|
||
|
|
TX_STAT_INC(txq->axq_qnum, fifo_underrun);
|
||
|
|
if (ds->ds_txstat.ts_status & ATH9K_TXERR_XTXOP)
|
||
|
|
TX_STAT_INC(txq->axq_qnum, xtxop);
|
||
|
|
if (ds->ds_txstat.ts_status & ATH9K_TXERR_TIMER_EXPIRED)
|
||
|
|
TX_STAT_INC(txq->axq_qnum, timer_exp);
|
||
|
|
if (ds->ds_txstat.ts_flags & ATH9K_TX_DESC_CFG_ERR)
|
||
|
|
TX_STAT_INC(txq->axq_qnum, desc_cfg_err);
|
||
|
|
if (ds->ds_txstat.ts_flags & ATH9K_TX_DATA_UNDERRUN)
|
||
|
|
TX_STAT_INC(txq->axq_qnum, data_underrun);
|
||
|
|
if (ds->ds_txstat.ts_flags & ATH9K_TX_DELIM_UNDERRUN)
|
||
|
|
TX_STAT_INC(txq->axq_qnum, delim_underrun);
|
||
|
|
}
|
||
|
|
|
||
|
|
static const struct file_operations fops_xmit = {
|
||
|
|
.read = read_file_xmit,
|
||
|
|
.open = ath9k_debugfs_open,
|
||
|
|
.owner = THIS_MODULE
|
||
|
|
};
|
||
|
|
|
||
|
|
int ath9k_init_debug(struct ath_softc *sc)
|
||
|
|
{
|
||
|
|
sc->debug.debug_mask = ath9k_debug;
|
||
|
|
|
||
|
|
if (!ath9k_debugfs_root)
|
||
|
|
return -ENOENT;
|
||
|
|
|
||
|
|
sc->debug.debugfs_phy = debugfs_create_dir(wiphy_name(sc->hw->wiphy),
|
||
|
|
ath9k_debugfs_root);
|
||
|
|
if (!sc->debug.debugfs_phy)
|
||
|
|
goto err;
|
||
|
|
|
||
|
|
sc->debug.debugfs_debug = debugfs_create_file("debug",
|
||
|
|
S_IRUSR | S_IWUSR, sc->debug.debugfs_phy, sc, &fops_debug);
|
||
|
|
if (!sc->debug.debugfs_debug)
|
||
|
|
goto err;
|
||
|
|
|
||
|
|
sc->debug.debugfs_dma = debugfs_create_file("dma", S_IRUSR,
|
||
|
|
sc->debug.debugfs_phy, sc, &fops_dma);
|
||
|
|
if (!sc->debug.debugfs_dma)
|
||
|
|
goto err;
|
||
|
|
|
||
|
|
sc->debug.debugfs_interrupt = debugfs_create_file("interrupt",
|
||
|
|
S_IRUSR,
|
||
|
|
sc->debug.debugfs_phy,
|
||
|
|
sc, &fops_interrupt);
|
||
|
|
if (!sc->debug.debugfs_interrupt)
|
||
|
|
goto err;
|
||
|
|
|
||
|
|
sc->debug.debugfs_rcstat = debugfs_create_file("rcstat",
|
||
|
|
S_IRUSR,
|
||
|
|
sc->debug.debugfs_phy,
|
||
|
|
sc, &fops_rcstat);
|
||
|
|
if (!sc->debug.debugfs_rcstat)
|
||
|
|
goto err;
|
||
|
|
|
||
|
|
sc->debug.debugfs_wiphy = debugfs_create_file(
|
||
|
|
"wiphy", S_IRUSR | S_IWUSR, sc->debug.debugfs_phy, sc,
|
||
|
|
&fops_wiphy);
|
||
|
|
if (!sc->debug.debugfs_wiphy)
|
||
|
|
goto err;
|
||
|
|
|
||
|
|
sc->debug.debugfs_xmit = debugfs_create_file("xmit",
|
||
|
|
S_IRUSR,
|
||
|
|
sc->debug.debugfs_phy,
|
||
|
|
sc, &fops_xmit);
|
||
|
|
if (!sc->debug.debugfs_xmit)
|
||
|
|
goto err;
|
||
|
|
|
||
|
|
return 0;
|
||
|
|
err:
|
||
|
|
ath9k_exit_debug(sc);
|
||
|
|
return -ENOMEM;
|
||
|
|
}
|
||
|
|
|
||
|
|
void ath9k_exit_debug(struct ath_softc *sc)
|
||
|
|
{
|
||
|
|
debugfs_remove(sc->debug.debugfs_xmit);
|
||
|
|
debugfs_remove(sc->debug.debugfs_wiphy);
|
||
|
|
debugfs_remove(sc->debug.debugfs_rcstat);
|
||
|
|
debugfs_remove(sc->debug.debugfs_interrupt);
|
||
|
|
debugfs_remove(sc->debug.debugfs_dma);
|
||
|
|
debugfs_remove(sc->debug.debugfs_debug);
|
||
|
|
debugfs_remove(sc->debug.debugfs_phy);
|
||
|
|
}
|
||
|
|
|
||
|
|
int ath9k_debug_create_root(void)
|
||
|
|
{
|
||
|
|
ath9k_debugfs_root = debugfs_create_dir(KBUILD_MODNAME, NULL);
|
||
|
|
if (!ath9k_debugfs_root)
|
||
|
|
return -ENOENT;
|
||
|
|
|
||
|
|
return 0;
|
||
|
|
}
|
||
|
|
|
||
|
|
void ath9k_debug_remove_root(void)
|
||
|
|
{
|
||
|
|
debugfs_remove(ath9k_debugfs_root);
|
||
|
|
ath9k_debugfs_root = NULL;
|
||
|
|
}
|