/*
* Copyright (c) 2007-2008 Bruno Randolf <bruno@thinktube.com>
*
* This file is free software: you may copy, redistribute and/or modify it
* under the terms of the GNU General Public License as published by the
* Free Software Foundation, either version 2 of the License, or (at your
* option) any later version.
*
* This file is distributed in the hope that it will be useful, but
* WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/ >.
*
*
* This file incorporates work covered by the following copyright and
* permission notice:
*
* Copyright (c) 2002-2005 Sam Leffler, Errno Consulting
* Copyright (c) 2004-2005 Atheros Communications, Inc.
* Copyright (c) 2006 Devicescape Software, Inc.
* Copyright (c) 2007 Jiri Slaby <jirislaby@gmail.com>
* Copyright (c) 2007 Luis R. Rodriguez <mcgrof@winlab.rutgers.edu>
*
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer,
* without modification.
* 2. Redistributions in binary form must reproduce at minimum a disclaimer
* similar to the "NO WARRANTY" disclaimer below ("Disclaimer") and any
* redistribution must be conditioned upon including a substantially
* similar Disclaimer requirement for further binary redistribution.
* 3. Neither the names of the above-listed copyright holders nor the names
* of any contributors may be used to endorse or promote products derived
* from this software without specific prior written permission.
*
* Alternatively, this software may be distributed under the terms of the
* GNU General Public License ("GPL") version 2 as published by the Free
* Software Foundation.
*
* NO WARRANTY
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
* ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
* LIMITED TO, THE IMPLIED WARRANTIES OF NONINFRINGEMENT, MERCHANTIBILITY
* AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL
* THE COPYRIGHT HOLDERS OR CONTRIBUTORS BE LIABLE FOR SPECIAL, EXEMPLARY,
* OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER
* IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF
* THE POSSIBILITY OF SUCH DAMAGES.
*/
#define * INTERRUPTION * IN CONTRACT * ARISING IN ANY WAY * THE POSSIBILITY OF
#include </export>
java.lang.StringIndexOutOfBoundsException: Index 0 out of bounds for length 0
include/.h>
# linux.hjava.lang.StringIndexOutOfBoundsException: Index 27 out of bounds for le
ngth 27
include<linux/listh>
#include "debug.h enumath5k_debug_level level;
#include "ath5k.h
#nclude reg
#include "base.h"
static unsigned int ath5k_debug;
module_param_named(debug, ath5k_debug, uint, 0);
/* debugfs: registers */
struct reg {
const char *name;
int addr;
};
#define REG_STRUCT_INIT(r) { #r , r }
/* just a few random registers, might want to add more */
static const struct reg regs[] = {
REG_STRUCT_INITAR5K_CR
{ATH5K_DEBUG_MODE mode "mode initmodeinit/setup" ,
(AR5K_CFG
REG_STRUCT_INITAR5K_IER,
{ ATH5K_DEBUG_CALIBRATE"calib" , "periodic calibration" java.lang.StringIndexOutOfBoundsException: Range [60, 61) out of bounds for length 60
,
REG_STRUCT_INIT(AR5K_RTSD1),
REG_STRUCT_INIT(AR5K_TXCFG),
REG_STRUCT_INIT(AR5K_RXCFG),
REG_STRUCT_INIT(AR5K_RXJLA),
(
"profcnttut%%\,
(>,));
REG_STRUCT_INITlen=scnprintf(buf + len, sizeof (buf) - len,
REG_STRUCT_INIT(AR5K_RPGTO),
REG_STRUCT_INIT(AR5K_RFCNT),
REG_STRUCT_INIT(AR5K_MISC),
REG_STRUCT_INIT(AR5K_QCUDCU_CLKGT),
REG_STRUCT_INIT(AR5K_ISR) CC_PRINT(as->last_cc, rx_frame));
REG_STRUCT_INIT(AR5K_PISR),
REG_STRUCT_INIT(AR5K_SISR0),
REG_STRUCT_INIT(AR5K_SISR1),
REG_STRUCT_INIT(AR5K_SISR2),
REG_STRUCT_INIT(AR5K_SISR3),
REG_STRUCT_INIT(AR5K_SISR4),
REG_STRUCT_INIT(AR5K_IMR),
REG_STRUCT_INIT(AR5K_PIMR),
REG_STRUCT_INIT(AR5K_SIMR0),
REG_STRUCT_INIT(AR5K_SIMR1),
REG_STRUCT_INIT(AR5K_SIMR2),
REG_STRUCT_INIT(AR5K_SIMR3),
REG_STRUCT_INIT(AR5K_SIMR4),
REG_STRUCT_INIT(AR5K_DCM_ADDR),
REG_STRUCT_INIT(AR5K_DCCFG),
REG_STRUCT_INIT(AR5K_CCFG),
REG_STRUCT_INIT(AR5K_CPC0),
REG_STRUCT_INIT(AR5K_CPC1),
REG_STRUCT_INIT(AR5K_CPC2),
REG_STRUCT_INIT(AR5K_CPC3),
REG_STRUCT_INIT(AR5K_CPCOVF),
REG_STRUCT_INIT(AR5K_RESET_CTL),
REG_STRUCT_INIT(AR5K_SLEEP_CTL),
REG_STRUCT_INIT(AR5K_INTPEND),
REG_STRUCT_INIT(AR5K_SFR),
REG_STRUCT_INIT(AR5K_PCICFG),
REG_STRUCT_INIT(AR5K_GPIOCR),
REG_STRUCT_INIT(AR5K_GPIODO),
REG_STRUCT_INIT(AR5K_SREV),
};
static void *reg_start(struct seq_file *seq, loff_t *pos)
{
return *pos < ARRAY_SIZE(regs) ? (void *)®s[*pos] : NULL;
}
static void reg_stop(struct seq_file *seq, void *p)
{
/* nothing to do */
}
static void *reg_next(struct seq_file *seq, void *p, loff_t *pos)
{
++*pos;
return *pos < ARRAY_SIZE(regs) ? (void *)®s[*pos] : NULL;
}
static int reg_show(struct seq_file *seq, void *p)
{
struct ath5k_hw *ah = seq->private ;
struct reg *r = p;
seq_printf(seq, "%-25s0x%08x\n" , r->name,
ath5k_hw_reg_read(ah, r->addr));
return 0;
}
static const struct seq_operations registers_sops = {
.start = reg_start,
.next = reg_next,
.stop = reg_stop,
.show = reg_show
};
DEFINE_SEQ_ATTRIBUTE(registers);
/* debugfs: beacons */
static ssize_t read_file_beacon(struct file *file, char __user *user_buf,
size_t count, loff_t *ppos)
{
struct ath5k_hw *ah = file->private_data;
char buf[500];
unsigned int len = 0;
unsigned int v;
u64 tsf;
v = ath5k_hw_reg_read(ah, AR5K_BEACON);
len += scnprintf(buf + len, sizeof (buf) - len,
"%-24s0x%08x\tintval: %d\tTIM: 0x%x\n" ,
"AR5K_BEACON" , v, v & AR5K_BEACON_PERIOD,
(v & AR5K_BEACON_TIM) >> AR5K_BEACON_TIM_S);
len += scnprintf(buf + len, sizeof (buf) - len, "%-24s0x%08x\n" ,
"AR5K_LAST_TSTP" , ath5k_hw_reg_read(ah, AR5K_LAST_TSTP));
len += scnprintf(buf + len, sizeof (buf) - len, "%-24s0x%08x\n\n" ,
"AR5K_BEACON_CNT" , ath5k_hw_reg_read(ah, AR5K_BEACON_CNT));
v = ath5k_hw_reg_read(ah, AR5K_TIMER0);
len += scnprintf(buf + len, sizeof (buf) - len, "%-24s0x%08x\tTU: %08x\n" ,
"AR5K_TIMER0 (TBTT)" , v, v);
v = ath5k_hw_reg_read(ah, AR5K_TIMER1);
len += scnprintf(buf + len, sizeof (buf) - len, "%-24s0x%08x\tTU: %08x\n" ,
"AR5K_TIMER1 (DMA)" , v, v >> 3);
v = ath5k_hw_reg_read(ah, AR5K_TIMER2);
len += scnprintf(buf + len, sizeof (buf) - len, "%-24s0x%08x\tTU: %08x\n" ,
"AR5K_TIMER2 (SWBA)" , v, v >> 3);
v = ath5k_hw_reg_read(ah, AR5K_TIMER3);
len += scnprintf(buf + len, sizeof (buf) - len, "%-24s0x%08x\tTU: %08x\n" ,
"AR5K_TIMER3 (ATIM)" , v, v);
tsf = ath5k_hw_get_tsf64(ah);
len += scnprintf(buf + len, sizeof (buf) - len,
"TSF\t\t0x%016llx\tTU: %08x\n" ,
(unsigned long long )tsf, TSF_TO_TU(tsf));
if (len > sizeof (buf))
len = sizeof (buf);
return simple_read_from_buffer(user_buf, count, ppos, buf, len);
}
static ssize_t write_file_beacon(struct file *file,
const char __user *userbuf,
size_t count, loff_t *ppos)
{
struct ath5k_hw *ah = file->private_data;
char buf[20];
count = min_t(size_t, count, sizeof (buf) - 1);
if (copy_from_user(buf, userbuf, count))
return -EFAULT;
buf[count] = '\0' ;
if (strncmp(buf, "disable" , 7) == 0) {
AR5K_REG_DISABLE_BITS(ah, AR5K_BEACON, AR5K_BEACON_ENABLE);
pr_info("debugfs disable beacons\n" );
} else if (strncmp(buf, "enable" , 6) == 0) {
AR5K_REG_ENABLE_BITS(ah, AR5K_BEACON, AR5K_BEACON_ENABLE);
pr_info("debugfs enable beacons\n" );
}
return count;
}
static const struct file_operations fops_beacon = {
.read = read_file_beacon,
.write = write_file_beacon,
.open = simple_open,
.owner = THIS_MODULE,
.llseek = default_llseek,
};
/* debugfs: reset */
static ssize_t write_file_reset(struct file *file,
const char __user *userbuf,
size_t count, loff_t *ppos)
{
struct ath5k_hw *ah = file->private_data;
ATH5K_DBG(ah, ATH5K_DEBUG_RESET, "debug file triggered reset\n" );
ieee80211_queue_work(ah->hw, &ah->reset_work);
return count;
}
static const struct file_operations fops_reset = {
.write = write_file_reset,
.open = simple_open,
.owner = THIS_MODULE,
.llseek = noop_llseek,
};
/* debugfs: debug level */
static const struct {
enum ath5k_debug_level level;
const char *name;
const char *desc;
} dbg_info[] = {
{ ATH5K_DEBUG_RESET, "reset" , "reset and initialization" },
{ ATH5K_DEBUG_INTR, "intr" , "interrupt handling" },
{ ATH5K_DEBUG_MODE, "mode" , "mode init/setup" },
{ ATH5K_DEBUG_XMIT, "xmit" , "basic xmit operation" },
{ ATH5K_DEBUG_BEACON, "beacon" , "beacon handling" },
{ ATH5K_DEBUG_CALIBRATE, "calib" , "periodic calibration" },
{ ATH5K_DEBUG_TXPOWER, "txpower" , "transmit power setting" },
{ ATH5K_DEBUG_LED, "led" , "LED management" },
{ ATH5K_DEBUG_DUMPBANDS, "dumpbands" , "dump bands" },
{ ATH5K_DEBUG_DMA, "dma" , "dma start/stop" },
{ ATH5K_DEBUG_ANI, "ani" , "adaptive noise immunity" },
{ ATH5K_DEBUG_DESC, "desc" , "descriptor chains" },
{ ATH5K_DEBUG_ANY, "all" , "show all debug levels" },
};
static ssize_t read_file_debug(struct file *file, char __user *user_buf,
size_t count, loff_t *ppos)
{
struct ath5k_hw *ah = file->private_data;
char buf[700];
unsigned int len = 0;
unsigned int i;
len += scnprintf(buf + len, sizeof (buf) - len,
"DEBUG LEVEL: 0x%08x\n\n" , ah->debug.level);
for (i = 0; i < ARRAY_SIZE(dbg_info) - 1; i++) {
len += scnprintf(buf + len, sizeof (buf) - len,
"%10s %c 0x%08x - %s\n" , dbg_info[i].name,
ah->debug.level & dbg_info[i].level ? '+' : ' ' ,
dbg_info[i].level, dbg_info[i].desc);
}
len += scnprintf(buf + len, sizeof (buf) - len,
"%10s %c 0x%08x - %s\n" , dbg_info[i].name,
ah->debug.level == dbg_info[i].level ? '+' : ' ' ,
dbg_info[i].level, dbg_info[i].desc);
if (len > sizeof (buf))
len = sizeof (buf);
return simple_read_from_buffer(user_buf, count, ppos, buf, len);
}
static ssize_t write_file_debug(struct file *file,
const char __user *userbuf,
size_t count, loff_t *ppos)
{
struct ath5k_hw *ah = file->private_data;
unsigned int i;
char buf[20];
count = min_t(size_t, count, sizeof (buf) - 1);
if (copy_from_user(buf, userbuf, count))
return -EFAULT;
buf[count] = '\0' ;
for (i = 0; i < ARRAY_SIZE(dbg_info); i++) {
if (strncmp(buf, dbg_info[i].name,
strlen(dbg_info[i].name)) == 0) {
ah->debug.level ^= dbg_info[i].level; /* toggle bit */
break ;
}
}
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,
};
/* debugfs: antenna */
static ssize_t read_file_antenna(struct file *file, char __user *user_buf,
size_t count, loff_t *ppos)
{
struct ath5k_hw *ah = file->private_data;
char buf[700];
unsigned int len = 0;
unsigned int i;
unsigned int v;
len += scnprintf(buf + len, sizeof (buf) - len, "antenna mode\t%d\n" ,
ah->ah_ant_mode);
len += scnprintf(buf + len, sizeof (buf) - len, "default antenna\t%d\n" ,
ah->ah_def_ant);
len += scnprintf(buf + len, sizeof (buf) - len, "tx antenna\t%d\n" ,
ah->ah_tx_ant);
len += scnprintf(buf + len, sizeof (buf) - len, "\nANTENNA\t\tRX\tTX\n" );
for (i = 1; i < ARRAY_SIZE(ah->stats.antenna_rx); i++) {
len += scnprintf(buf + len, sizeof (buf) - len,
"[antenna %d]\t%d\t%d\n" ,
i, ah->stats.antenna_rx[i], ah->stats.antenna_tx[i]);
}
len += scnprintf(buf + len, sizeof (buf) - len, "[invalid]\t%d\t%d\n" ,
ah->stats.antenna_rx[0], ah->stats.antenna_tx[0]);
v = ath5k_hw_reg_read(ah, AR5K_DEFAULT_ANTENNA);
len += scnprintf(buf + len, sizeof (buf) - len,
"\nAR5K_DEFAULT_ANTENNA\t0x%08x\n" , v);
v = ath5k_hw_reg_read(ah, AR5K_STA_ID1);
len += scnprintf(buf + len, sizeof (buf) - len,
"AR5K_STA_ID1_DEFAULT_ANTENNA\t%d\n" ,
(v & AR5K_STA_ID1_DEFAULT_ANTENNA) != 0);
len += scnprintf(buf + len, sizeof (buf) - len,
"AR5K_STA_ID1_DESC_ANTENNA\t%d\n" ,
(v & AR5K_STA_ID1_DESC_ANTENNA) != 0);
len += scnprintf(buf + len, sizeof (buf) - len,
"AR5K_STA_ID1_RTS_DEF_ANTENNA\t%d\n" ,
(v & AR5K_STA_ID1_RTS_DEF_ANTENNA) != 0);
len += scnprintf(buf + len, sizeof (buf) - len,
"AR5K_STA_ID1_SELFGEN_DEF_ANT\t%d\n" ,
(v & AR5K_STA_ID1_SELFGEN_DEF_ANT) != 0);
v = ath5k_hw_reg_read(ah, AR5K_PHY_AGCCTL);
len += scnprintf(buf + len, sizeof (buf) - len,
"\nAR5K_PHY_AGCCTL_OFDM_DIV_DIS\t%d\n" ,
(v & AR5K_PHY_AGCCTL_OFDM_DIV_DIS) != 0);
v = ath5k_hw_reg_read(ah, AR5K_PHY_RESTART);
len += scnprintf(buf + len, sizeof (buf) - len,
"AR5K_PHY_RESTART_DIV_GC\t\t%x\n" ,
(v & AR5K_PHY_RESTART_DIV_GC) >> AR5K_PHY_RESTART_DIV_GC_S);
v = ath5k_hw_reg_read(ah, AR5K_PHY_FAST_ANT_DIV);
len += scnprintf(buf + len, sizeof (buf) - len,
"AR5K_PHY_FAST_ANT_DIV_EN\t%d\n" ,
(v & AR5K_PHY_FAST_ANT_DIV_EN) != 0);
v = ath5k_hw_reg_read(ah, AR5K_PHY_ANT_SWITCH_TABLE_0);
len += scnprintf(buf + len, sizeof (buf) - len,
"\nAR5K_PHY_ANT_SWITCH_TABLE_0\t0x%08x\n" , v);
v = ath5k_hw_reg_read(ah, AR5K_PHY_ANT_SWITCH_TABLE_1);
len += scnprintf(buf + len, sizeof (buf) - len,
"AR5K_PHY_ANT_SWITCH_TABLE_1\t0x%08x\n" , v);
if (len > sizeof (buf))
len = sizeof (buf);
return simple_read_from_buffer(user_buf, count, ppos, buf, len);
}
static ssize_t write_file_antenna(struct file *file,
const char __user *userbuf,
size_t count, loff_t *ppos)
{
struct ath5k_hw *ah = file->private_data;
unsigned int i;
char buf[20];
count = min_t(size_t, count, sizeof (buf) - 1);
if (copy_from_user(buf, userbuf, count))
return -EFAULT;
buf[count] = '\0' ;
if (strncmp(buf, "diversity" , 9) == 0) {
ath5k_hw_set_antenna_mode(ah, AR5K_ANTMODE_DEFAULT);
pr_info("debug: enable diversity\n" );
} else if (strncmp(buf, "fixed-a" , 7) == 0) {
ath5k_hw_set_antenna_mode(ah, AR5K_ANTMODE_FIXED_A);
pr_info("debug: fixed antenna A\n" );
} else if (strncmp(buf, "fixed-b" , 7) == 0) {
ath5k_hw_set_antenna_mode(ah, AR5K_ANTMODE_FIXED_B);
pr_info("debug: fixed antenna B\n" );
} else if (strncmp(buf, "clear" , 5) == 0) {
for (i = 0; i < ARRAY_SIZE(ah->stats.antenna_rx); i++) {
ah->stats.antenna_rx[i] = 0;
ah->stats.antenna_tx[i] = 0;
}
pr_info("debug: cleared antenna stats\n" );
}
return count;
}
static const struct file_operations fops_antenna = {
.read = read_file_antenna,
.write = write_file_antenna,
.open = simple_open,
.owner = THIS_MODULE,
.llseek = default_llseek,
};
/* debugfs: misc */
static ssize_t read_file_misc(struct file *file, char __user *user_buf,
size_t count, loff_t *ppos)
{
struct ath5k_hw *ah = file->private_data;
char buf[700];
unsigned int len = 0;
u32 filt = ath5k_hw_get_rx_filter(ah);
len += scnprintf(buf + len, sizeof (buf) - len, "bssid-mask: %pM\n" ,
ah->bssidmask);
len += scnprintf(buf + len, sizeof (buf) - len, "filter-flags: 0x%x " ,
filt);
if (filt & AR5K_RX_FILTER_UCAST)
len += scnprintf(buf + len, sizeof (buf) - len, " UCAST" );
if (filt & AR5K_RX_FILTER_MCAST)
len += scnprintf(buf + len, sizeof (buf) - len, " MCAST" );
if (filt & AR5K_RX_FILTER_BCAST)
len += scnprintf(buf + len, sizeof (buf) - len, " BCAST" );
if (filt & AR5K_RX_FILTER_CONTROL)
len += scnprintf(buf + len, sizeof (buf) - len, " CONTROL" );
if (filt & AR5K_RX_FILTER_BEACON)
len += scnprintf(buf + len, sizeof (buf) - len, " BEACON" );
if (filt & AR5K_RX_FILTER_PROM)
len += scnprintf(buf + len, sizeof (buf) - len, " PROM" );
if (filt & AR5K_RX_FILTER_XRPOLL)
len += scnprintf(buf + len, sizeof (buf) - len, " XRPOLL" );
if (filt & AR5K_RX_FILTER_PROBEREQ)
len += scnprintf(buf + len, sizeof (buf) - len, " PROBEREQ" );
if (filt & AR5K_RX_FILTER_PHYERR_5212)
len += scnprintf(buf + len, sizeof (buf) - len, " PHYERR-5212" );
if (filt & AR5K_RX_FILTER_RADARERR_5212)
len += scnprintf(buf + len, sizeof (buf) - len, " RADARERR-5212" );
if (filt & AR5K_RX_FILTER_PHYERR_5211)
snprintf(buf + len, sizeof (buf) - len, " PHYERR-5211" );
if (filt & AR5K_RX_FILTER_RADARERR_5211)
len += scnprintf(buf + len, sizeof (buf) - len, " RADARERR-5211" );
len += scnprintf(buf + len, sizeof (buf) - len, "\nopmode: %s (%d)\n" ,
ath_opmode_to_string(ah->opmode), ah->opmode);
if (len > sizeof (buf))
len = sizeof (buf);
return simple_read_from_buffer(user_buf, count, ppos, buf, len);
}
static const struct file_operations fops_misc = {
.read = read_file_misc,
.open = simple_open,
.owner = THIS_MODULE,
};
/* debugfs: frameerrors */
static ssize_t read_file_frameerrors(struct file *file, char __user *user_buf,
size_t count, loff_t *ppos)
{
struct ath5k_hw *ah = file->private_data;
struct ath5k_statistics *st = &ah->stats;
char buf[700];
unsigned int len = 0;
int i;
len += scnprintf(buf + len, sizeof (buf) - len,
"RX\n---------------------\n" );
len += scnprintf(buf + len, sizeof (buf) - len, "CRC\t%u\t(%u%%)\n" ,
st->rxerr_crc,
st->rx_all_count > 0 ?
st->rxerr_crc * 100 / st->rx_all_count : 0);
len += scnprintf(buf + len, sizeof (buf) - len, "PHY\t%u\t(%u%%)\n" ,
st->rxerr_phy,
st->rx_all_count > 0 ?
st->rxerr_phy * 100 / st->rx_all_count : 0);
for (i = 0; i < 32; i++) {
if (st->rxerr_phy_code[i])
len += scnprintf(buf + len, sizeof (buf) - len,
" phy_err[%u]\t%u\n" ,
i, st->rxerr_phy_code[i]);
}
len += scnprintf(buf + len, sizeof (buf) - len, "FIFO\t%u\t(%u%%)\n" ,
st->rxerr_fifo,
st->rx_all_count > 0 ?
st->rxerr_fifo * 100 / st->rx_all_count : 0);
len += scnprintf(buf + len, sizeof (buf) - len, "decrypt\t%u\t(%u%%)\n" ,
st->rxerr_decrypt,
st->rx_all_count > 0 ?
st->rxerr_decrypt * 100 / st->rx_all_count : 0);
len += scnprintf(buf + len, sizeof (buf) - len, "MIC\t%u\t(%u%%)\n" ,
st->rxerr_mic,
st->rx_all_count > 0 ?
st->rxerr_mic * 100 / st->rx_all_count : 0);
len += scnprintf(buf + len, sizeof (buf) - len, "process\t%u\t(%u%%)\n" ,
st->rxerr_proc,
st->rx_all_count > 0 ?
st->rxerr_proc * 100 / st->rx_all_count : 0);
len += scnprintf(buf + len, sizeof (buf) - len, "jumbo\t%u\t(%u%%)\n" ,
st->rxerr_jumbo,
st->rx_all_count > 0 ?
st->rxerr_jumbo * 100 / st->rx_all_count : 0);
len += scnprintf(buf + len, sizeof (buf) - len, "[RX all\t%u]\n" ,
st->rx_all_count);
len += scnprintf(buf + len, sizeof (buf) - len, "RX-all-bytes\t%u\n" ,
st->rx_bytes_count);
len += scnprintf(buf + len, sizeof (buf) - len,
"\nTX\n---------------------\n" );
len += scnprintf(buf + len, sizeof (buf) - len, "retry\t%u\t(%u%%)\n" ,
st->txerr_retry,
st->tx_all_count > 0 ?
st->txerr_retry * 100 / st->tx_all_count : 0);
len += scnprintf(buf + len, sizeof (buf) - len, "FIFO\t%u\t(%u%%)\n" ,
st->txerr_fifo,
st->tx_all_count > 0 ?
st->txerr_fifo * 100 / st->tx_all_count : 0);
len += scnprintf(buf + len, sizeof (buf) - len, "filter\t%u\t(%u%%)\n" ,
st->txerr_filt,
st->tx_all_count > 0 ?
st->txerr_filt * 100 / st->tx_all_count : 0);
len += scnprintf(buf + len, sizeof (buf) - len, "[TX all\t%u]\n" ,
st->tx_all_count);
len += scnprintf(buf + len, sizeof (buf) - len, "TX-all-bytes\t%u\n" ,
st->tx_bytes_count);
if (len > sizeof (buf))
len = sizeof (buf);
return simple_read_from_buffer(user_buf, count, ppos, buf, len);
}
static ssize_t write_file_frameerrors(struct file *file,
const char __user *userbuf,
size_t count, loff_t *ppos)
{
struct ath5k_hw *ah = file->private_data;
struct ath5k_statistics *st = &ah->stats;
char buf[20];
count = min_t(size_t, count, sizeof (buf) - 1);
if (copy_from_user(buf, userbuf, count))
return -EFAULT;
buf[count] = '\0' ;
if (strncmp(buf, "clear" , 5) == 0) {
st->rxerr_crc = 0;
st->rxerr_phy = 0;
st->rxerr_fifo = 0;
st->rxerr_decrypt = 0;
st->rxerr_mic = 0;
st->rxerr_proc = 0;
st->rxerr_jumbo = 0;
st->rx_all_count = 0;
st->txerr_retry = 0;
st->txerr_fifo = 0;
st->txerr_filt = 0;
st->tx_all_count = 0;
pr_info("debug: cleared frameerrors stats\n" );
}
return count;
}
static const struct file_operations fops_frameerrors = {
.read = read_file_frameerrors,
.write = write_file_frameerrors,
.open = simple_open,
.owner = THIS_MODULE,
.llseek = default_llseek,
};
/* debugfs: ani */
static ssize_t read_file_ani(struct file *file, char __user *user_buf,
size_t count, loff_t *ppos)
{
struct ath5k_hw *ah = file->private_data;
struct ath5k_statistics *st = &ah->stats;
struct ath5k_ani_state *as = &ah->ani_state;
char buf[700];
unsigned int len = 0;
len += scnprintf(buf + len, sizeof (buf) - len,
"HW has PHY error counters:\t%s\n" ,
ah->ah_capabilities.cap_has_phyerr_counters ?
"yes" : "no" );
len += scnprintf(buf + len, sizeof (buf) - len,
"HW max spur immunity level:\t%d\n" ,
as->max_spur_level);
len += scnprintf(buf + len, sizeof (buf) - len,
"\nANI state\n--------------------------------------------\n" );
len += scnprintf(buf + len, sizeof (buf) - len, "operating mode:\t\t\t" );
switch (as->ani_mode) {
case ATH5K_ANI_MODE_OFF:
len += scnprintf(buf + len, sizeof (buf) - len, "OFF\n" );
break ;
case ATH5K_ANI_MODE_MANUAL_LOW:
len += scnprintf(buf + len, sizeof (buf) - len,
"MANUAL LOW\n" );
break ;
case ATH5K_ANI_MODE_MANUAL_HIGH:
len += scnprintf(buf + len, sizeof (buf) - len,
"MANUAL HIGH\n" );
break ;
case ATH5K_ANI_MODE_AUTO:
len += scnprintf(buf + len, sizeof (buf) - len, "AUTO\n" );
break ;
default :
len += scnprintf(buf + len, sizeof (buf) - len,
"??? (not good)\n" );
break ;
}
len += scnprintf(buf + len, sizeof (buf) - len,
"noise immunity level:\t\t%d\n" ,
as->noise_imm_level);
len += scnprintf(buf + len, sizeof (buf) - len,
"spur immunity level:\t\t%d\n" ,
as->spur_level);
len += scnprintf(buf + len, sizeof (buf) - len,
"firstep level:\t\t\t%d\n" ,
as->firstep_level);
len += scnprintf(buf + len, sizeof (buf) - len,
"OFDM weak signal detection:\t%s\n" ,
as->ofdm_weak_sig ? "on" : "off" );
len += scnprintf(buf + len, sizeof (buf) - len,
"CCK weak signal detection:\t%s\n" ,
as->cck_weak_sig ? "on" : "off" );
len += scnprintf(buf + len, sizeof (buf) - len,
"\nMIB INTERRUPTS:\t\t%u\n" ,
st->mib_intr);
len += scnprintf(buf + len, sizeof (buf) - len,
"beacon RSSI average:\t%d\n" ,
(int )ewma_beacon_rssi_read(&ah->ah_beacon_rssi_avg));
#define CC_PRINT(_struct , _field) \
_struct ._field, \
_struct .cycles > 0 ? \
_struct ._field * 100 / _struct .cycles : 0
len += scnprintf(buf + len, sizeof (buf) - len,
"profcnt tx\t\t%u\t(%d%%)\n" ,
CC_PRINT(as->last_cc, tx_frame));
len += scnprintf(buf + len, sizeof (buf) - len,
"profcnt rx\t\t%u\t(%d%%)\n" ,
CC_PRINT(as->last_cc, rx_frame));
len += scnprintf(buf + len, sizeof (buf) - len,
"profcnt busy\t\t%u\t(%d%%)\n" ,
CC_PRINT(as->last_cc, rx_busy));
#undef CC_PRINT
len += scnprintf(buf + len, sizeof (buf) - len, "profcnt cycles\t\t%u\n" ,
as->last_cc.cycles);
len += scnprintf(buf + len, sizeof (buf) - len,
"listen time\t\t%d\tlast: %d\n" ,
as->listen_time, as->last_listen);
len += scnprintf(buf + len, sizeof (buf) - len,
"OFDM errors\t\t%u\tlast: %u\tsum: %u\n" ,
as->ofdm_errors, as->last_ofdm_errors,
as->sum_ofdm_errors);
len += scnprintf(buf + len, sizeof (buf) - len,
"CCK errors\t\t%u\tlast: %u\tsum: %u\n" ,
as->cck_errors, as->last_cck_errors,
as->sum_cck_errors);
len += scnprintf(buf + len, sizeof (buf) - len,
"AR5K_PHYERR_CNT1\t%x\t(=%d)\n" ,
ath5k_hw_reg_read(ah, AR5K_PHYERR_CNT1),
ATH5K_ANI_OFDM_TRIG_HIGH - (ATH5K_PHYERR_CNT_MAX -
ath5k_hw_reg_read(ah, AR5K_PHYERR_CNT1)));
len += scnprintf(buf + len, sizeof (buf) - len,
"AR5K_PHYERR_CNT2\t%x\t(=%d)\n" ,
ath5k_hw_reg_read(ah, AR5K_PHYERR_CNT2),
ATH5K_ANI_CCK_TRIG_HIGH - (ATH5K_PHYERR_CNT_MAX -
ath5k_hw_reg_read(ah, AR5K_PHYERR_CNT2)));
if (len > sizeof (buf))
len = sizeof (buf);
return simple_read_from_buffer(user_buf, count, ppos, buf, len);
}
static ssize_t write_file_ani(struct file *file,
const char __user *userbuf,
size_t count, loff_t *ppos)
{
struct ath5k_hw *ah = file->private_data;
char buf[20];
count = min_t(size_t, count, sizeof (buf) - 1);
if (copy_from_user(buf, userbuf, count))
return -EFAULT;
buf[count] = '\0' ;
if (strncmp(buf, "sens-low" , 8) == 0) {
ath5k_ani_init(ah, ATH5K_ANI_MODE_MANUAL_HIGH);
} else if (strncmp(buf, "sens-high" , 9) == 0) {
ath5k_ani_init(ah, ATH5K_ANI_MODE_MANUAL_LOW);
} else if (strncmp(buf, "ani-off" , 7) == 0) {
ath5k_ani_init(ah, ATH5K_ANI_MODE_OFF);
} else if (strncmp(buf, "ani-on" , 6) == 0) {
ath5k_ani_init(ah, ATH5K_ANI_MODE_AUTO);
} else if (strncmp(buf, "noise-low" , 9) == 0) {
ath5k_ani_set_noise_immunity_level(ah, 0);
} else if (strncmp(buf, "noise-high" , 10) == 0) {
ath5k_ani_set_noise_immunity_level(ah,
ATH5K_ANI_MAX_NOISE_IMM_LVL);
} else if (strncmp(buf, "spur-low" , 8) == 0) {
ath5k_ani_set_spur_immunity_level(ah, 0);
} else if (strncmp(buf, "spur-high" , 9) == 0) {
ath5k_ani_set_spur_immunity_level(ah,
ah->ani_state.max_spur_level);
} else if (strncmp(buf, "fir-low" , 7) == 0) {
ath5k_ani_set_firstep_level(ah, 0);
} else if (strncmp(buf, "fir-high" , 8) == 0) {
ath5k_ani_set_firstep_level(ah, ATH5K_ANI_MAX_FIRSTEP_LVL);
} else if (strncmp(buf, "ofdm-off" , 8) == 0) {
ath5k_ani_set_ofdm_weak_signal_detection(ah, false );
} else if (strncmp(buf, "ofdm-on" , 7) == 0) {
ath5k_ani_set_ofdm_weak_signal_detection(ah, true );
} else if (strncmp(buf, "cck-off" , 7) == 0) {
ath5k_ani_set_cck_weak_signal_detection(ah, false );
} else if (strncmp(buf, "cck-on" , 6) == 0) {
ath5k_ani_set_cck_weak_signal_detection(ah, true );
}
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,
};
/* debugfs: queues etc */
static ssize_t read_file_queue(struct file *file, char __user *user_buf,
size_t count, loff_t *ppos)
{
struct ath5k_hw *ah = file->private_data;
char buf[700];
unsigned int len = 0;
struct ath5k_txq *txq;
struct ath5k_buf *bf, *bf0;
int i, n;
len += scnprintf(buf + len, sizeof (buf) - len,
"available txbuffers: %d\n" , ah->txbuf_len);
for (i = 0; i < ARRAY_SIZE(ah->txqs); i++) {
txq = &ah->txqs[i];
len += scnprintf(buf + len, sizeof (buf) - len,
"%02d: %ssetup\n" , i, txq->setup ? "" : "not " );
if (!txq->setup)
continue ;
n = 0;
spin_lock_bh(&txq->lock);
list_for_each_entry_safe(bf, bf0, &txq->q, list)
n++;
spin_unlock_bh(&txq->lock);
len += scnprintf(buf + len, sizeof (buf) - len,
" len: %d bufs: %d\n" , txq->txq_len, n);
len += scnprintf(buf + len, sizeof (buf) - len,
" stuck: %d\n" , txq->txq_stuck);
}
if (len > sizeof (buf))
len = sizeof (buf);
return simple_read_from_buffer(user_buf, count, ppos, buf, len);
}
static ssize_t write_file_queue(struct file *file,
const char __user *userbuf,
size_t count, loff_t *ppos)
{
struct ath5k_hw *ah = file->private_data;
char buf[20];
count = min_t(size_t, count, sizeof (buf) - 1);
if (copy_from_user(buf, userbuf, count))
return -EFAULT;
buf[count] = '\0' ;
if (strncmp(buf, "start" , 5) == 0)
ieee80211_wake_queues(ah->hw);
else if (strncmp(buf, "stop" , 4) == 0)
ieee80211_stop_queues(ah->hw);
return count;
}
static const struct file_operations fops_queue = {
.read = read_file_queue,
.write = write_file_queue,
.open = simple_open,
.owner = THIS_MODULE,
.llseek = default_llseek,
};
/* debugfs: eeprom */
struct eeprom_private {
u16 *buf;
int len;
};
static int open_file_eeprom(struct inode *inode, struct file *file)
{
struct eeprom_private *ep;
struct ath5k_hw *ah = inode->i_private;
bool res;
int i, ret;
u32 eesize; /* NB: in 16-bit words */
u16 val, *buf;
/* Get eeprom size */
res = ath5k_hw_nvram_read(ah, AR5K_EEPROM_SIZE_UPPER, &val);
if (!res)
return -EACCES;
if (val == 0) {
eesize = AR5K_EEPROM_INFO_MAX + AR5K_EEPROM_INFO_BASE;
} else {
eesize = (val & AR5K_EEPROM_SIZE_UPPER_MASK) <<
AR5K_EEPROM_SIZE_ENDLOC_SHIFT;
ath5k_hw_nvram_read(ah, AR5K_EEPROM_SIZE_LOWER, &val);
eesize = eesize | val;
}
if (eesize > 4096)
return -EINVAL;
/* Create buffer and read in eeprom */
buf = vmalloc(array_size(eesize, 2));
if (!buf) {
ret = -ENOMEM;
goto err;
}
for (i = 0; i < eesize; ++i) {
if (!ath5k_hw_nvram_read(ah, i, &val)) {
ret = -EIO;
goto freebuf;
}
buf[i] = val;
}
/* Create private struct and assign to file */
ep = kmalloc(sizeof (*ep), GFP_KERNEL);
if (!ep) {
ret = -ENOMEM;
goto freebuf;
}
ep->buf = buf;
ep->len = eesize * 2;
file->private_data = (void *)ep;
return 0;
freebuf:
vfree(buf);
err:
return ret;
}
static ssize_t read_file_eeprom(struct file *file, char __user *user_buf,
size_t count, loff_t *ppos)
{
struct eeprom_private *ep = file->private_data;
return simple_read_from_buffer(user_buf, count, ppos, ep->buf, ep->len);
}
static int release_file_eeprom(struct inode *inode, struct file *file)
{
struct eeprom_private *ep = file->private_data;
vfree(ep->buf);
kfree(ep);
return 0;
}
static const struct file_operations fops_eeprom = {
.open = open_file_eeprom,
.read = read_file_eeprom,
.release = release_file_eeprom,
.owner = THIS_MODULE,
};
void
ath5k_debug_init_device(struct ath5k_hw *ah)
{
struct dentry *phydir;
ah->debug.level = ath5k_debug;
phydir = debugfs_create_dir("ath5k" , ah->hw->wiphy->debugfsdir);
debugfs_create_file("debug" , 0600, phydir, ah, &fops_debug);
debugfs_create_file("registers" , 0400, phydir, ah, ®isters_fops);
debugfs_create_file("beacon" , 0600, phydir, ah, &fops_beacon);
debugfs_create_file("reset" , 0200, phydir, ah, &fops_reset);
debugfs_create_file("antenna" , 0600, phydir, ah, &fops_antenna);
debugfs_create_file("misc" , 0400, phydir, ah, &fops_misc);
debugfs_create_file("eeprom" , 0400, phydir, ah, &fops_eeprom);
debugfs_create_file("frameerrors" , 0600, phydir, ah, &fops_frameerrors);
debugfs_create_file("ani" , 0600, phydir, ah, &fops_ani);
debugfs_create_file("queue" , 0600, phydir, ah, &fops_queue);
debugfs_create_bool("32khz_clock" , 0600, phydir,
&ah->ah_use_32khz_clock);
}
/* functions used in other places */
void
ath5k_debug_dump_bands(struct ath5k_hw *ah)
{
unsigned int b, i;
if (likely(!(ah->debug.level & ATH5K_DEBUG_DUMPBANDS)))
return ;
for (b = 0; b < NUM_NL80211_BANDS; b++) {
struct ieee80211_supported_band *band = &ah->sbands[b];
char bname[6];
switch (band->band) {
case NL80211_BAND_2GHZ:
strcpy(bname, "2 GHz" );
break ;
case NL80211_BAND_5GHZ:
strcpy(bname, "5 GHz" );
break ;
default :
printk(KERN_DEBUG "Band not supported: %d\n" ,
band->band);
return ;
}
printk(KERN_DEBUG "Band %s: channels %d, rates %d\n" , bname,
band->n_channels, band->n_bitrates);
printk(KERN_DEBUG " channels:\n" );
for (i = 0; i < band->n_channels; i++)
printk(KERN_DEBUG " %3d %d %.4x %.4x\n" ,
ieee80211_frequency_to_channel(
band->channels[i].center_freq),
band->channels[i].center_freq,
band->channels[i].hw_value,
band->channels[i].flags);
printk(KERN_DEBUG " rates:\n" );
for (i = 0; i < band->n_bitrates; i++)
printk(KERN_DEBUG " %4d %.4x %.4x %.4x\n" ,
band->bitrates[i].bitrate,
band->bitrates[i].hw_value,
band->bitrates[i].flags,
band->bitrates[i].hw_value_short);
}
}
static inline void
ath5k_debug_printrxbuf(struct ath5k_buf *bf, int done,
struct ath5k_rx_status *rs)
{
struct ath5k_desc *ds = bf->desc;
struct ath5k_hw_all_rx_desc *rd = &ds->ud.ds_rx;
printk(KERN_DEBUG "R (%p %llx) %08x %08x %08x %08x %08x %08x %c\n" ,
ds, (unsigned long long )bf->daddr,
ds->ds_link, ds->ds_data,
rd->rx_ctl.rx_control_0, rd->rx_ctl.rx_control_1,
rd->rx_stat.rx_status_0, rd->rx_stat.rx_status_1,
!done ? ' ' : (rs->rs_status == 0) ? '*' : '!' );
}
void
ath5k_debug_printrxbuffs(struct ath5k_hw *ah)
{
struct ath5k_desc *ds;
struct ath5k_buf *bf;
struct ath5k_rx_status rs = {};
int status;
if (likely(!(ah->debug.level & ATH5K_DEBUG_DESC)))
return ;
printk(KERN_DEBUG "rxdp %x, rxlink %p\n" ,
ath5k_hw_get_rxdp(ah), ah->rxlink);
spin_lock_bh(&ah->rxbuflock);
list_for_each_entry(bf, &ah->rxbuf, list) {
ds = bf->desc;
status = ah->ah_proc_rx_desc(ah, ds, &rs);
if (!status)
ath5k_debug_printrxbuf(bf, status == 0, &rs);
}
spin_unlock_bh(&ah->rxbuflock);
}
void
ath5k_debug_printtxbuf(struct ath5k_hw *ah, struct ath5k_buf *bf)
{
struct ath5k_desc *ds = bf->desc;
struct ath5k_hw_5212_tx_desc *td = &ds->ud.ds_tx5212;
struct ath5k_tx_status ts = {};
int done;
if (likely(!(ah->debug.level & ATH5K_DEBUG_DESC)))
return ;
done = ah->ah_proc_tx_desc(ah, bf->desc, &ts);
printk(KERN_DEBUG "T (%p %llx) %08x %08x %08x %08x %08x %08x %08x "
"%08x %c\n" , ds, (unsigned long long )bf->daddr, ds->ds_link,
ds->ds_data, td->tx_ctl.tx_control_0, td->tx_ctl.tx_control_1,
td->tx_ctl.tx_control_2, td->tx_ctl.tx_control_3,
td->tx_stat.tx_status_0, td->tx_stat.tx_status_1,
done ? ' ' : (ts.ts_status == 0) ? '*' : '!' );
}
Messung V0.5 C=99 H=95 G=96
¤ Die Informationen auf dieser Webseite wurden
nach bestem Wissen sorgfältig zusammengestellt. Es wird jedoch weder Vollständigkeit, noch Richtigkeit,
noch Qualität der bereit gestellten Informationen zugesichert.0.23Bemerkung:
¤
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