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debug.c
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/*
* Copyright (c) 2008-2011 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 <linux/slab.h>
#include <linux/vmalloc.h>
#include <linux/export.h>
#include <linux/relay.h>
#include <asm/unaligned.h>
#include "ath9k.h"
#define REG_WRITE_D(_ah, _reg, _val) \
ath9k_hw_common(_ah)->ops->write((_ah), (_val), (_reg))
#define REG_READ_D(_ah, _reg) \
ath9k_hw_common(_ah)->ops->read((_ah), (_reg))
static ssize_t ath9k_debugfs_read_buf(struct file *file, char __user *user_buf,
size_t count, loff_t *ppos)
{
u8 *buf = file->private_data;
return simple_read_from_buffer(user_buf, count, ppos, buf, strlen(buf));
}
static int ath9k_debugfs_release_buf(struct inode *inode, struct file *file)
{
vfree(file->private_data);
return 0;
}
#ifdef CONFIG_ATH_DEBUG
static ssize_t read_file_debug(struct file *file, char __user *user_buf,
size_t count, loff_t *ppos)
{
struct ath_softc *sc = file->private_data;
struct ath_common *common = ath9k_hw_common(sc->sc_ah);
char buf[32];
unsigned int len;
len = sprintf(buf, "0x%08x\n", common->debug_mask);
return simple_read_from_buffer(user_buf, count, ppos, buf, len);
}
static ssize_t write_file_debug(struct file *file, const char __user *user_buf,
size_t count, loff_t *ppos)
{
struct ath_softc *sc = file->private_data;
struct ath_common *common = ath9k_hw_common(sc->sc_ah);
unsigned long mask;
char buf[32];
ssize_t len;
len = min(count, sizeof(buf) - 1);
if (copy_from_user(buf, user_buf, len))
return -EFAULT;
buf[len] = '\0';
if (kstrtoul(buf, 0, &mask))
return -EINVAL;
common->debug_mask = mask;
return count;
}
static const struct file_operations fops_debug = {
.read = read_file_debug,
.write = write_file_debug,
.open = simple_open,
.owner = THIS_MODULE,
.llseek = default_llseek,
};
#endif
#define DMA_BUF_LEN 1024
static ssize_t read_file_tx_chainmask(struct file *file, char __user *user_buf,
size_t count, loff_t *ppos)
{
struct ath_softc *sc = file->private_data;
struct ath_hw *ah = sc->sc_ah;
char buf[32];
unsigned int len;
len = sprintf(buf, "0x%08x\n", ah->txchainmask);
return simple_read_from_buffer(user_buf, count, ppos, buf, len);
}
static ssize_t write_file_tx_chainmask(struct file *file, const char __user *user_buf,
size_t count, loff_t *ppos)
{
struct ath_softc *sc = file->private_data;
struct ath_hw *ah = sc->sc_ah;
unsigned long mask;
char buf[32];
ssize_t len;
len = min(count, sizeof(buf) - 1);
if (copy_from_user(buf, user_buf, len))
return -EFAULT;
buf[len] = '\0';
if (kstrtoul(buf, 0, &mask))
return -EINVAL;
ah->txchainmask = mask;
ah->caps.tx_chainmask = mask;
return count;
}
static const struct file_operations fops_tx_chainmask = {
.read = read_file_tx_chainmask,
.write = write_file_tx_chainmask,
.open = simple_open,
.owner = THIS_MODULE,
.llseek = default_llseek,
};
static ssize_t read_file_rx_chainmask(struct file *file, char __user *user_buf,
size_t count, loff_t *ppos)
{
struct ath_softc *sc = file->private_data;
struct ath_hw *ah = sc->sc_ah;
char buf[32];
unsigned int len;
len = sprintf(buf, "0x%08x\n", ah->rxchainmask);
return simple_read_from_buffer(user_buf, count, ppos, buf, len);
}
static ssize_t write_file_rx_chainmask(struct file *file, const char __user *user_buf,
size_t count, loff_t *ppos)
{
struct ath_softc *sc = file->private_data;
struct ath_hw *ah = sc->sc_ah;
unsigned long mask;
char buf[32];
ssize_t len;
len = min(count, sizeof(buf) - 1);
if (copy_from_user(buf, user_buf, len))
return -EFAULT;
buf[len] = '\0';
if (kstrtoul(buf, 0, &mask))
return -EINVAL;
ah->rxchainmask = mask;
ah->caps.rx_chainmask = mask;
return count;
}
static const struct file_operations fops_rx_chainmask = {
.read = read_file_rx_chainmask,
.write = write_file_rx_chainmask,
.open = simple_open,
.owner = THIS_MODULE,
.llseek = default_llseek,
};
static ssize_t read_file_ani(struct file *file, char __user *user_buf,
size_t count, loff_t *ppos)
{
struct ath_softc *sc = file->private_data;
struct ath_common *common = ath9k_hw_common(sc->sc_ah);
struct ath_hw *ah = sc->sc_ah;
unsigned int len = 0, size = 1024;
ssize_t retval = 0;
char *buf;
buf = kzalloc(size, GFP_KERNEL);
if (buf == NULL)
return -ENOMEM;
if (common->disable_ani) {
len += snprintf(buf + len, size - len, "%s: %s\n",
"ANI", "DISABLED");
goto exit;
}
len += snprintf(buf + len, size - len, "%15s: %s\n",
"ANI", "ENABLED");
len += snprintf(buf + len, size - len, "%15s: %u\n",
"ANI RESET", ah->stats.ast_ani_reset);
len += snprintf(buf + len, size - len, "%15s: %u\n",
"SPUR UP", ah->stats.ast_ani_spurup);
len += snprintf(buf + len, size - len, "%15s: %u\n",
"SPUR DOWN", ah->stats.ast_ani_spurup);
len += snprintf(buf + len, size - len, "%15s: %u\n",
"OFDM WS-DET ON", ah->stats.ast_ani_ofdmon);
len += snprintf(buf + len, size - len, "%15s: %u\n",
"OFDM WS-DET OFF", ah->stats.ast_ani_ofdmoff);
len += snprintf(buf + len, size - len, "%15s: %u\n",
"MRC-CCK ON", ah->stats.ast_ani_ccklow);
len += snprintf(buf + len, size - len, "%15s: %u\n",
"MRC-CCK OFF", ah->stats.ast_ani_cckhigh);
len += snprintf(buf + len, size - len, "%15s: %u\n",
"FIR-STEP UP", ah->stats.ast_ani_stepup);
len += snprintf(buf + len, size - len, "%15s: %u\n",
"FIR-STEP DOWN", ah->stats.ast_ani_stepdown);
len += snprintf(buf + len, size - len, "%15s: %u\n",
"INV LISTENTIME", ah->stats.ast_ani_lneg_or_lzero);
len += snprintf(buf + len, size - len, "%15s: %u\n",
"OFDM ERRORS", ah->stats.ast_ani_ofdmerrs);
len += snprintf(buf + len, size - len, "%15s: %u\n",
"CCK ERRORS", ah->stats.ast_ani_cckerrs);
exit:
if (len > size)
len = size;
retval = simple_read_from_buffer(user_buf, count, ppos, buf, len);
kfree(buf);
return retval;
}
static ssize_t write_file_ani(struct file *file,
const char __user *user_buf,
size_t count, loff_t *ppos)
{
struct ath_softc *sc = file->private_data;
struct ath_common *common = ath9k_hw_common(sc->sc_ah);
unsigned long ani;
char buf[32];
ssize_t len;
len = min(count, sizeof(buf) - 1);
if (copy_from_user(buf, user_buf, len))
return -EFAULT;
buf[len] = '\0';
if (kstrtoul(buf, 0, &ani))
return -EINVAL;
if (ani < 0 || ani > 1)
return -EINVAL;
common->disable_ani = !ani;
if (common->disable_ani) {
clear_bit(SC_OP_ANI_RUN, &sc->sc_flags);
ath_stop_ani(sc);
} else {
ath_check_ani(sc);
}
return count;
}
static const struct file_operations fops_ani = {
.read = read_file_ani,
.write = write_file_ani,
.open = simple_open,
.owner = THIS_MODULE,
.llseek = default_llseek,
};
static ssize_t read_file_ant_diversity(struct file *file, char __user *user_buf,
size_t count, loff_t *ppos)
{
struct ath_softc *sc = file->private_data;
struct ath_common *common = ath9k_hw_common(sc->sc_ah);
char buf[32];
unsigned int len;
len = sprintf(buf, "%d\n", common->antenna_diversity);
return simple_read_from_buffer(user_buf, count, ppos, buf, len);
}
static ssize_t write_file_ant_diversity(struct file *file,
const char __user *user_buf,
size_t count, loff_t *ppos)
{
struct ath_softc *sc = file->private_data;
struct ath_common *common = ath9k_hw_common(sc->sc_ah);
unsigned long antenna_diversity;
char buf[32];
ssize_t len;
len = min(count, sizeof(buf) - 1);
if (copy_from_user(buf, user_buf, len))
return -EFAULT;
if (!AR_SREV_9565(sc->sc_ah))
goto exit;
buf[len] = '\0';
if (kstrtoul(buf, 0, &antenna_diversity))
return -EINVAL;
common->antenna_diversity = !!antenna_diversity;
ath9k_ps_wakeup(sc);
ath_ant_comb_update(sc);
ath_dbg(common, CONFIG, "Antenna diversity: %d\n",
common->antenna_diversity);
ath9k_ps_restore(sc);
exit:
return count;
}
static const struct file_operations fops_ant_diversity = {
.read = read_file_ant_diversity,
.write = write_file_ant_diversity,
.open = simple_open,
.owner = THIS_MODULE,
.llseek = default_llseek,
};
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_hw *ah = sc->sc_ah;
char *buf;
int retval;
unsigned int len = 0;
u32 val[ATH9K_NUM_DMA_DEBUG_REGS];
int i, qcuOffset = 0, dcuOffset = 0;
u32 *qcuBase = &val[0], *dcuBase = &val[4];
buf = kmalloc(DMA_BUF_LEN, GFP_KERNEL);
if (!buf)
return -ENOMEM;
ath9k_ps_wakeup(sc);
REG_WRITE_D(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, DMA_BUF_LEN - len,
"Raw DMA Debug values:\n");
for (i = 0; i < ATH9K_NUM_DMA_DEBUG_REGS; i++) {
if (i % 4 == 0)
len += snprintf(buf + len, DMA_BUF_LEN - len, "\n");
val[i] = REG_READ_D(ah, AR_DMADBG_0 + (i * sizeof(u32)));
len += snprintf(buf + len, DMA_BUF_LEN - len, "%d: %08x ",
i, val[i]);
}
len += snprintf(buf + len, DMA_BUF_LEN - len, "\n\n");
len += snprintf(buf + len, DMA_BUF_LEN - 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, DMA_BUF_LEN - 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, DMA_BUF_LEN - len, "\n");
len += snprintf(buf + len, DMA_BUF_LEN - len,
"qcu_stitch state: %2x qcu_fetch state: %2x\n",
(val[3] & 0x003c0000) >> 18, (val[3] & 0x03c00000) >> 22);
len += snprintf(buf + len, DMA_BUF_LEN - len,
"qcu_complete state: %2x dcu_complete state: %2x\n",
(val[3] & 0x1c000000) >> 26, (val[6] & 0x3));
len += snprintf(buf + len, DMA_BUF_LEN - len,
"dcu_arb state: %2x dcu_fp state: %2x\n",
(val[5] & 0x06000000) >> 25, (val[5] & 0x38000000) >> 27);
len += snprintf(buf + len, DMA_BUF_LEN - len,
"chan_idle_dur: %3d chan_idle_dur_valid: %1d\n",
(val[6] & 0x000003fc) >> 2, (val[6] & 0x00000400) >> 10);
len += snprintf(buf + len, DMA_BUF_LEN - len,
"txfifo_valid_0: %1d txfifo_valid_1: %1d\n",
(val[6] & 0x00000800) >> 11, (val[6] & 0x00001000) >> 12);
len += snprintf(buf + len, DMA_BUF_LEN - len,
"txfifo_dcu_num_0: %2d txfifo_dcu_num_1: %2d\n",
(val[6] & 0x0001e000) >> 13, (val[6] & 0x001e0000) >> 17);
len += snprintf(buf + len, DMA_BUF_LEN - len, "pcu observe: 0x%x\n",
REG_READ_D(ah, AR_OBS_BUS_1));
len += snprintf(buf + len, DMA_BUF_LEN - len,
"AR_CR: 0x%x\n", REG_READ_D(ah, AR_CR));
ath9k_ps_restore(sc);
if (len > DMA_BUF_LEN)
len = DMA_BUF_LEN;
retval = simple_read_from_buffer(user_buf, count, ppos, buf, len);
kfree(buf);
return retval;
}
static const struct file_operations fops_dma = {
.read = read_file_dma,
.open = simple_open,
.owner = THIS_MODULE,
.llseek = default_llseek,
};
void ath_debug_stat_interrupt(struct ath_softc *sc, enum ath9k_int status)
{
if (status)
sc->debug.stats.istats.total++;
if (sc->sc_ah->caps.hw_caps & ATH9K_HW_CAP_EDMA) {
if (status & ATH9K_INT_RXLP)
sc->debug.stats.istats.rxlp++;
if (status & ATH9K_INT_RXHP)
sc->debug.stats.istats.rxhp++;
if (status & ATH9K_INT_BB_WATCHDOG)
sc->debug.stats.istats.bb_watchdog++;
} else {
if (status & ATH9K_INT_RX)
sc->debug.stats.istats.rxok++;
}
if (status & ATH9K_INT_RXEOL)
sc->debug.stats.istats.rxeol++;
if (status & ATH9K_INT_RXORN)
sc->debug.stats.istats.rxorn++;
if (status & ATH9K_INT_TX)
sc->debug.stats.istats.txok++;
if (status & ATH9K_INT_TXURN)
sc->debug.stats.istats.txurn++;
if (status & ATH9K_INT_RXPHY)
sc->debug.stats.istats.rxphyerr++;
if (status & ATH9K_INT_RXKCM)
sc->debug.stats.istats.rx_keycache_miss++;
if (status & ATH9K_INT_SWBA)
sc->debug.stats.istats.swba++;
if (status & ATH9K_INT_BMISS)
sc->debug.stats.istats.bmiss++;
if (status & ATH9K_INT_BNR)
sc->debug.stats.istats.bnr++;
if (status & ATH9K_INT_CST)
sc->debug.stats.istats.cst++;
if (status & ATH9K_INT_GTT)
sc->debug.stats.istats.gtt++;
if (status & ATH9K_INT_TIM)
sc->debug.stats.istats.tim++;
if (status & ATH9K_INT_CABEND)
sc->debug.stats.istats.cabend++;
if (status & ATH9K_INT_DTIMSYNC)
sc->debug.stats.istats.dtimsync++;
if (status & ATH9K_INT_DTIM)
sc->debug.stats.istats.dtim++;
if (status & ATH9K_INT_TSFOOR)
sc->debug.stats.istats.tsfoor++;
if (status & ATH9K_INT_MCI)
sc->debug.stats.istats.mci++;
if (status & ATH9K_INT_GENTIMER)
sc->debug.stats.istats.gen_timer++;
}
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;
unsigned int len = 0;
int rv;
int mxlen = 4000;
char *buf = kmalloc(mxlen, GFP_KERNEL);
if (!buf)
return -ENOMEM;
#define PR_IS(a, s) \
do { \
len += snprintf(buf + len, mxlen - len, \
"%21s: %10u\n", a, \
sc->debug.stats.istats.s); \
} while (0)
if (sc->sc_ah->caps.hw_caps & ATH9K_HW_CAP_EDMA) {
PR_IS("RXLP", rxlp);
PR_IS("RXHP", rxhp);
PR_IS("WATHDOG", bb_watchdog);
} else {
PR_IS("RX", rxok);
}
PR_IS("RXEOL", rxeol);
PR_IS("RXORN", rxorn);
PR_IS("TX", txok);
PR_IS("TXURN", txurn);
PR_IS("MIB", mib);
PR_IS("RXPHY", rxphyerr);
PR_IS("RXKCM", rx_keycache_miss);
PR_IS("SWBA", swba);
PR_IS("BMISS", bmiss);
PR_IS("BNR", bnr);
PR_IS("CST", cst);
PR_IS("GTT", gtt);
PR_IS("TIM", tim);
PR_IS("CABEND", cabend);
PR_IS("DTIMSYNC", dtimsync);
PR_IS("DTIM", dtim);
PR_IS("TSFOOR", tsfoor);
PR_IS("MCI", mci);
PR_IS("GENTIMER", gen_timer);
PR_IS("TOTAL", total);
len += snprintf(buf + len, mxlen - len,
"SYNC_CAUSE stats:\n");
PR_IS("Sync-All", sync_cause_all);
PR_IS("RTC-IRQ", sync_rtc_irq);
PR_IS("MAC-IRQ", sync_mac_irq);
PR_IS("EEPROM-Illegal-Access", eeprom_illegal_access);
PR_IS("APB-Timeout", apb_timeout);
PR_IS("PCI-Mode-Conflict", pci_mode_conflict);
PR_IS("HOST1-Fatal", host1_fatal);
PR_IS("HOST1-Perr", host1_perr);
PR_IS("TRCV-FIFO-Perr", trcv_fifo_perr);
PR_IS("RADM-CPL-EP", radm_cpl_ep);
PR_IS("RADM-CPL-DLLP-Abort", radm_cpl_dllp_abort);
PR_IS("RADM-CPL-TLP-Abort", radm_cpl_tlp_abort);
PR_IS("RADM-CPL-ECRC-Err", radm_cpl_ecrc_err);
PR_IS("RADM-CPL-Timeout", radm_cpl_timeout);
PR_IS("Local-Bus-Timeout", local_timeout);
PR_IS("PM-Access", pm_access);
PR_IS("MAC-Awake", mac_awake);
PR_IS("MAC-Asleep", mac_asleep);
PR_IS("MAC-Sleep-Access", mac_sleep_access);
if (len > mxlen)
len = mxlen;
rv = simple_read_from_buffer(user_buf, count, ppos, buf, len);
kfree(buf);
return rv;
}
static const struct file_operations fops_interrupt = {
.read = read_file_interrupt,
.open = simple_open,
.owner = THIS_MODULE,
.llseek = default_llseek,
};
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 -ENOMEM;
len += sprintf(buf, "%30s %10s%10s%10s\n\n",
"BE", "BK", "VI", "VO");
PR("MPDUs Queued: ", queued);
PR("MPDUs Completed: ", completed);
PR("MPDUs XRetried: ", xretries);
PR("Aggregates: ", a_aggr);
PR("AMPDUs Queued HW:", a_queued_hw);
PR("AMPDUs Queued SW:", a_queued_sw);
PR("AMPDUs Completed:", a_completed);
PR("AMPDUs Retried: ", a_retries);
PR("AMPDUs XRetried: ", a_xretries);
PR("TXERR Filtered: ", txerr_filtered);
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);
PR("TX-Pkts-All: ", tx_pkts_all);
PR("TX-Bytes-All: ", tx_bytes_all);
PR("HW-put-tx-buf: ", puttxbuf);
PR("HW-tx-start: ", txstart);
PR("HW-tx-proc-desc: ", txprocdesc);
PR("TX-Failed: ", txfailed);
if (len > size)
len = size;
retval = simple_read_from_buffer(user_buf, count, ppos, buf, len);
kfree(buf);
return retval;
}
static ssize_t read_file_queues(struct file *file, char __user *user_buf,
size_t count, loff_t *ppos)
{
struct ath_softc *sc = file->private_data;
struct ath_txq *txq;
char *buf;
unsigned int len = 0, size = 1024;
ssize_t retval = 0;
int i;
char *qname[4] = {"VO", "VI", "BE", "BK"};
buf = kzalloc(size, GFP_KERNEL);
if (buf == NULL)
return -ENOMEM;
for (i = 0; i < IEEE80211_NUM_ACS; i++) {
txq = sc->tx.txq_map[i];
len += snprintf(buf + len, size - len, "(%s): ", qname[i]);
ath_txq_lock(sc, txq);
len += snprintf(buf + len, size - len, "%s: %d ",
"qnum", txq->axq_qnum);
len += snprintf(buf + len, size - len, "%s: %2d ",
"qdepth", txq->axq_depth);
len += snprintf(buf + len, size - len, "%s: %2d ",
"ampdu-depth", txq->axq_ampdu_depth);
len += snprintf(buf + len, size - len, "%s: %3d ",
"pending", txq->pending_frames);
len += snprintf(buf + len, size - len, "%s: %d\n",
"stopped", txq->stopped);
ath_txq_unlock(sc, txq);
}
if (len > size)
len = size;
retval = simple_read_from_buffer(user_buf, count, ppos, buf, len);
kfree(buf);
return retval;
}
static ssize_t read_file_misc(struct file *file, char __user *user_buf,
size_t count, loff_t *ppos)
{
struct ath_softc *sc = file->private_data;
struct ath_common *common = ath9k_hw_common(sc->sc_ah);
struct ieee80211_hw *hw = sc->hw;
struct ath9k_vif_iter_data iter_data;
char buf[512];
unsigned int len = 0;
ssize_t retval = 0;
unsigned int reg;
u32 rxfilter;
len += snprintf(buf + len, sizeof(buf) - len,
"BSSID: %pM\n", common->curbssid);
len += snprintf(buf + len, sizeof(buf) - len,
"BSSID-MASK: %pM\n", common->bssidmask);
len += snprintf(buf + len, sizeof(buf) - len,
"OPMODE: %s\n", ath_opmode_to_string(sc->sc_ah->opmode));
ath9k_ps_wakeup(sc);
rxfilter = ath9k_hw_getrxfilter(sc->sc_ah);
ath9k_ps_restore(sc);
len += snprintf(buf + len, sizeof(buf) - len,
"RXFILTER: 0x%x", rxfilter);
if (rxfilter & ATH9K_RX_FILTER_UCAST)
len += snprintf(buf + len, sizeof(buf) - len, " UCAST");
if (rxfilter & ATH9K_RX_FILTER_MCAST)
len += snprintf(buf + len, sizeof(buf) - len, " MCAST");
if (rxfilter & ATH9K_RX_FILTER_BCAST)
len += snprintf(buf + len, sizeof(buf) - len, " BCAST");
if (rxfilter & ATH9K_RX_FILTER_CONTROL)
len += snprintf(buf + len, sizeof(buf) - len, " CONTROL");
if (rxfilter & ATH9K_RX_FILTER_BEACON)
len += snprintf(buf + len, sizeof(buf) - len, " BEACON");
if (rxfilter & ATH9K_RX_FILTER_PROM)
len += snprintf(buf + len, sizeof(buf) - len, " PROM");
if (rxfilter & ATH9K_RX_FILTER_PROBEREQ)
len += snprintf(buf + len, sizeof(buf) - len, " PROBEREQ");
if (rxfilter & ATH9K_RX_FILTER_PHYERR)
len += snprintf(buf + len, sizeof(buf) - len, " PHYERR");
if (rxfilter & ATH9K_RX_FILTER_MYBEACON)
len += snprintf(buf + len, sizeof(buf) - len, " MYBEACON");
if (rxfilter & ATH9K_RX_FILTER_COMP_BAR)
len += snprintf(buf + len, sizeof(buf) - len, " COMP_BAR");
if (rxfilter & ATH9K_RX_FILTER_PSPOLL)
len += snprintf(buf + len, sizeof(buf) - len, " PSPOLL");
if (rxfilter & ATH9K_RX_FILTER_PHYRADAR)
len += snprintf(buf + len, sizeof(buf) - len, " PHYRADAR");
if (rxfilter & ATH9K_RX_FILTER_MCAST_BCAST_ALL)
len += snprintf(buf + len, sizeof(buf) - len, " MCAST_BCAST_ALL");
if (rxfilter & ATH9K_RX_FILTER_CONTROL_WRAPPER)
len += snprintf(buf + len, sizeof(buf) - len, " CONTROL_WRAPPER");
len += snprintf(buf + len, sizeof(buf) - len, "\n");
reg = sc->sc_ah->imask;
len += snprintf(buf + len, sizeof(buf) - len, "INTERRUPT-MASK: 0x%x", reg);
if (reg & ATH9K_INT_SWBA)
len += snprintf(buf + len, sizeof(buf) - len, " SWBA");
if (reg & ATH9K_INT_BMISS)
len += snprintf(buf + len, sizeof(buf) - len, " BMISS");
if (reg & ATH9K_INT_CST)
len += snprintf(buf + len, sizeof(buf) - len, " CST");
if (reg & ATH9K_INT_RX)
len += snprintf(buf + len, sizeof(buf) - len, " RX");
if (reg & ATH9K_INT_RXHP)
len += snprintf(buf + len, sizeof(buf) - len, " RXHP");
if (reg & ATH9K_INT_RXLP)
len += snprintf(buf + len, sizeof(buf) - len, " RXLP");
if (reg & ATH9K_INT_BB_WATCHDOG)
len += snprintf(buf + len, sizeof(buf) - len, " BB_WATCHDOG");
len += snprintf(buf + len, sizeof(buf) - len, "\n");
ath9k_calculate_iter_data(hw, NULL, &iter_data);
len += snprintf(buf + len, sizeof(buf) - len,
"VIF-COUNTS: AP: %i STA: %i MESH: %i WDS: %i"
" ADHOC: %i TOTAL: %hi BEACON-VIF: %hi\n",
iter_data.naps, iter_data.nstations, iter_data.nmeshes,
iter_data.nwds, iter_data.nadhocs,
sc->nvifs, sc->nbcnvifs);
if (len > sizeof(buf))
len = sizeof(buf);
retval = simple_read_from_buffer(user_buf, count, ppos, buf, len);
return retval;
}
static ssize_t read_file_reset(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,
"%17s: %2d\n", "Baseband Hang",
sc->debug.stats.reset[RESET_TYPE_BB_HANG]);
len += snprintf(buf + len, sizeof(buf) - len,
"%17s: %2d\n", "Baseband Watchdog",
sc->debug.stats.reset[RESET_TYPE_BB_WATCHDOG]);
len += snprintf(buf + len, sizeof(buf) - len,
"%17s: %2d\n", "Fatal HW Error",
sc->debug.stats.reset[RESET_TYPE_FATAL_INT]);
len += snprintf(buf + len, sizeof(buf) - len,
"%17s: %2d\n", "TX HW error",
sc->debug.stats.reset[RESET_TYPE_TX_ERROR]);
len += snprintf(buf + len, sizeof(buf) - len,
"%17s: %2d\n", "TX Path Hang",
sc->debug.stats.reset[RESET_TYPE_TX_HANG]);
len += snprintf(buf + len, sizeof(buf) - len,
"%17s: %2d\n", "PLL RX Hang",
sc->debug.stats.reset[RESET_TYPE_PLL_HANG]);
len += snprintf(buf + len, sizeof(buf) - len,
"%17s: %2d\n", "MCI Reset",
sc->debug.stats.reset[RESET_TYPE_MCI]);
if (len > sizeof(buf))
len = sizeof(buf);
return simple_read_from_buffer(user_buf, count, ppos, buf, len);
}
void ath_debug_stat_tx(struct ath_softc *sc, struct ath_buf *bf,
struct ath_tx_status *ts, struct ath_txq *txq,
unsigned int flags)
{
int qnum = txq->axq_qnum;
TX_STAT_INC(qnum, tx_pkts_all);
sc->debug.stats.txstats[qnum].tx_bytes_all += bf->bf_mpdu->len;
if (bf_isampdu(bf)) {
if (flags & ATH_TX_ERROR)
TX_STAT_INC(qnum, a_xretries);
else
TX_STAT_INC(qnum, a_completed);
} else {
if (ts->ts_status & ATH9K_TXERR_XRETRY)
TX_STAT_INC(qnum, xretries);
else
TX_STAT_INC(qnum, completed);
}
if (ts->ts_status & ATH9K_TXERR_FILT)
TX_STAT_INC(qnum, txerr_filtered);
if (ts->ts_status & ATH9K_TXERR_FIFO)
TX_STAT_INC(qnum, fifo_underrun);
if (ts->ts_status & ATH9K_TXERR_XTXOP)
TX_STAT_INC(qnum, xtxop);
if (ts->ts_status & ATH9K_TXERR_TIMER_EXPIRED)
TX_STAT_INC(qnum, timer_exp);
if (ts->ts_flags & ATH9K_TX_DESC_CFG_ERR)
TX_STAT_INC(qnum, desc_cfg_err);
if (ts->ts_flags & ATH9K_TX_DATA_UNDERRUN)
TX_STAT_INC(qnum, data_underrun);
if (ts->ts_flags & ATH9K_TX_DELIM_UNDERRUN)
TX_STAT_INC(qnum, delim_underrun);
}
static const struct file_operations fops_xmit = {
.read = read_file_xmit,
.open = simple_open,
.owner = THIS_MODULE,
.llseek = default_llseek,
};
static const struct file_operations fops_queues = {
.read = read_file_queues,
.open = simple_open,
.owner = THIS_MODULE,
.llseek = default_llseek,
};
static const struct file_operations fops_misc = {
.read = read_file_misc,
.open = simple_open,
.owner = THIS_MODULE,
.llseek = default_llseek,
};
static const struct file_operations fops_reset = {
.read = read_file_reset,
.open = simple_open,
.owner = THIS_MODULE,
.llseek = default_llseek,
};
static ssize_t read_file_recv(struct file *file, char __user *user_buf,
size_t count, loff_t *ppos)
{
#define PHY_ERR(s, p) \
len += snprintf(buf + len, size - len, "%22s : %10u\n", s, \
sc->debug.stats.rxstats.phy_err_stats[p]);
#define RXS_ERR(s, e) \
do { \
len += snprintf(buf + len, size - len, \
"%22s : %10u\n", s, \
sc->debug.stats.rxstats.e); \
} while (0)
struct ath_softc *sc = file->private_data;
char *buf;
unsigned int len = 0, size = 1600;
ssize_t retval = 0;
buf = kzalloc(size, GFP_KERNEL);
if (buf == NULL)
return -ENOMEM;
RXS_ERR("CRC ERR", crc_err);
RXS_ERR("DECRYPT CRC ERR", decrypt_crc_err);
RXS_ERR("PHY ERR", phy_err);
RXS_ERR("MIC ERR", mic_err);
RXS_ERR("PRE-DELIM CRC ERR", pre_delim_crc_err);
RXS_ERR("POST-DELIM CRC ERR", post_delim_crc_err);
RXS_ERR("DECRYPT BUSY ERR", decrypt_busy_err);
RXS_ERR("RX-LENGTH-ERR", rx_len_err);
RXS_ERR("RX-OOM-ERR", rx_oom_err);
RXS_ERR("RX-RATE-ERR", rx_rate_err);
RXS_ERR("RX-TOO-MANY-FRAGS", rx_too_many_frags_err);
PHY_ERR("UNDERRUN ERR", ATH9K_PHYERR_UNDERRUN);
PHY_ERR("TIMING ERR", ATH9K_PHYERR_TIMING);
PHY_ERR("PARITY ERR", ATH9K_PHYERR_PARITY);
PHY_ERR("RATE ERR", ATH9K_PHYERR_RATE);
PHY_ERR("LENGTH ERR", ATH9K_PHYERR_LENGTH);
PHY_ERR("RADAR ERR", ATH9K_PHYERR_RADAR);
PHY_ERR("SERVICE ERR", ATH9K_PHYERR_SERVICE);
PHY_ERR("TOR ERR", ATH9K_PHYERR_TOR);
PHY_ERR("OFDM-TIMING ERR", ATH9K_PHYERR_OFDM_TIMING);
PHY_ERR("OFDM-SIGNAL-PARITY ERR", ATH9K_PHYERR_OFDM_SIGNAL_PARITY);
PHY_ERR("OFDM-RATE ERR", ATH9K_PHYERR_OFDM_RATE_ILLEGAL);
PHY_ERR("OFDM-LENGTH ERR", ATH9K_PHYERR_OFDM_LENGTH_ILLEGAL);
PHY_ERR("OFDM-POWER-DROP ERR", ATH9K_PHYERR_OFDM_POWER_DROP);
PHY_ERR("OFDM-SERVICE ERR", ATH9K_PHYERR_OFDM_SERVICE);
PHY_ERR("OFDM-RESTART ERR", ATH9K_PHYERR_OFDM_RESTART);
PHY_ERR("FALSE-RADAR-EXT ERR", ATH9K_PHYERR_FALSE_RADAR_EXT);
PHY_ERR("CCK-TIMING ERR", ATH9K_PHYERR_CCK_TIMING);
PHY_ERR("CCK-HEADER-CRC ERR", ATH9K_PHYERR_CCK_HEADER_CRC);
PHY_ERR("CCK-RATE ERR", ATH9K_PHYERR_CCK_RATE_ILLEGAL);
PHY_ERR("CCK-SERVICE ERR", ATH9K_PHYERR_CCK_SERVICE);
PHY_ERR("CCK-RESTART ERR", ATH9K_PHYERR_CCK_RESTART);
PHY_ERR("CCK-LENGTH ERR", ATH9K_PHYERR_CCK_LENGTH_ILLEGAL);
PHY_ERR("CCK-POWER-DROP ERR", ATH9K_PHYERR_CCK_POWER_DROP);
PHY_ERR("HT-CRC ERR", ATH9K_PHYERR_HT_CRC_ERROR);
PHY_ERR("HT-LENGTH ERR", ATH9K_PHYERR_HT_LENGTH_ILLEGAL);
PHY_ERR("HT-RATE ERR", ATH9K_PHYERR_HT_RATE_ILLEGAL);
RXS_ERR("RX-Pkts-All", rx_pkts_all);
RXS_ERR("RX-Bytes-All", rx_bytes_all);
RXS_ERR("RX-Beacons", rx_beacons);
RXS_ERR("RX-Frags", rx_frags);
RXS_ERR("RX-Spectral", rx_spectral);
if (len > size)
len = size;
retval = simple_read_from_buffer(user_buf, count, ppos, buf, len);
kfree(buf);
return retval;
#undef RXS_ERR
#undef PHY_ERR
}
void ath_debug_stat_rx(struct ath_softc *sc, struct ath_rx_status *rs)
{
#define RX_PHY_ERR_INC(c) sc->debug.stats.rxstats.phy_err_stats[c]++
RX_STAT_INC(rx_pkts_all);
sc->debug.stats.rxstats.rx_bytes_all += rs->rs_datalen;
if (rs->rs_status & ATH9K_RXERR_CRC)
RX_STAT_INC(crc_err);
if (rs->rs_status & ATH9K_RXERR_DECRYPT)
RX_STAT_INC(decrypt_crc_err);
if (rs->rs_status & ATH9K_RXERR_MIC)
RX_STAT_INC(mic_err);
if (rs->rs_status & ATH9K_RX_DELIM_CRC_PRE)
RX_STAT_INC(pre_delim_crc_err);
if (rs->rs_status & ATH9K_RX_DELIM_CRC_POST)
RX_STAT_INC(post_delim_crc_err);
if (rs->rs_status & ATH9K_RX_DECRYPT_BUSY)
RX_STAT_INC(decrypt_busy_err);
if (rs->rs_status & ATH9K_RXERR_PHY) {
RX_STAT_INC(phy_err);
if (rs->rs_phyerr < ATH9K_PHYERR_MAX)
RX_PHY_ERR_INC(rs->rs_phyerr);
}
#undef RX_PHY_ERR_INC
}
static const struct file_operations fops_recv = {
.read = read_file_recv,
.open = simple_open,
.owner = THIS_MODULE,
.llseek = default_llseek,
};
static ssize_t read_file_spec_scan_ctl(struct file *file, char __user *user_buf,
size_t count, loff_t *ppos)
{
struct ath_softc *sc = file->private_data;
char *mode = "";
unsigned int len;
switch (sc->spectral_mode) {
case SPECTRAL_DISABLED:
mode = "disable";
break;
case SPECTRAL_BACKGROUND:
mode = "background";
break;
case SPECTRAL_CHANSCAN:
mode = "chanscan";
break;
case SPECTRAL_MANUAL:
mode = "manual";
break;
}
len = strlen(mode);
return simple_read_from_buffer(user_buf, count, ppos, mode, len);
}
static ssize_t write_file_spec_scan_ctl(struct file *file,
const char __user *user_buf,
size_t count, loff_t *ppos)
{
struct ath_softc *sc = file->private_data;
struct ath_common *common = ath9k_hw_common(sc->sc_ah);
char buf[32];
ssize_t len;
len = min(count, sizeof(buf) - 1);
if (copy_from_user(buf, user_buf, len))