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-rw-r--r--kernel/drivers/net/wireless/ath/ath5k/debug.c1139
1 files changed, 1139 insertions, 0 deletions
diff --git a/kernel/drivers/net/wireless/ath/ath5k/debug.c b/kernel/drivers/net/wireless/ath/ath5k/debug.c
new file mode 100644
index 000000000..c70782e8f
--- /dev/null
+++ b/kernel/drivers/net/wireless/ath/ath5k/debug.c
@@ -0,0 +1,1139 @@
+/*
+ * 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 pr_fmt(fmt) KBUILD_MODNAME ": " fmt
+
+#include <linux/export.h>
+#include <linux/moduleparam.h>
+#include <linux/vmalloc.h>
+
+#include <linux/seq_file.h>
+#include <linux/list.h>
+#include <linux/vmalloc.h>
+#include "debug.h"
+#include "ath5k.h"
+#include "reg.h"
+#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_INIT(AR5K_CR),
+ REG_STRUCT_INIT(AR5K_RXDP),
+ REG_STRUCT_INIT(AR5K_CFG),
+ REG_STRUCT_INIT(AR5K_IER),
+ REG_STRUCT_INIT(AR5K_BCR),
+ REG_STRUCT_INIT(AR5K_RTSD0),
+ REG_STRUCT_INIT(AR5K_RTSD1),
+ REG_STRUCT_INIT(AR5K_TXCFG),
+ REG_STRUCT_INIT(AR5K_RXCFG),
+ REG_STRUCT_INIT(AR5K_RXJLA),
+ REG_STRUCT_INIT(AR5K_MIBC),
+ REG_STRUCT_INIT(AR5K_TOPS),
+ REG_STRUCT_INIT(AR5K_RXNOFRM),
+ REG_STRUCT_INIT(AR5K_TXNOFRM),
+ 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),
+ 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 *)&regs[*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 *)&regs[*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 register_seq_ops = {
+ .start = reg_start,
+ .next = reg_next,
+ .stop = reg_stop,
+ .show = reg_show
+};
+
+static int open_file_registers(struct inode *inode, struct file *file)
+{
+ struct seq_file *s;
+ int res;
+ res = seq_open(file, &register_seq_ops);
+ if (res == 0) {
+ s = file->private_data;
+ s->private = inode->i_private;
+ }
+ return res;
+}
+
+static const struct file_operations fops_registers = {
+ .open = open_file_registers,
+ .read = seq_read,
+ .llseek = seq_lseek,
+ .release = seq_release,
+ .owner = THIS_MODULE,
+};
+
+
+/* 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 += snprintf(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 += snprintf(buf + len, sizeof(buf) - len, "%-24s0x%08x\n",
+ "AR5K_LAST_TSTP", ath5k_hw_reg_read(ah, AR5K_LAST_TSTP));
+
+ len += snprintf(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 += snprintf(buf + len, sizeof(buf) - len, "%-24s0x%08x\tTU: %08x\n",
+ "AR5K_TIMER0 (TBTT)", v, v);
+
+ v = ath5k_hw_reg_read(ah, AR5K_TIMER1);
+ len += snprintf(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 += snprintf(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 += snprintf(buf + len, sizeof(buf) - len, "%-24s0x%08x\tTU: %08x\n",
+ "AR5K_TIMER3 (ATIM)", v, v);
+
+ tsf = ath5k_hw_get_tsf64(ah);
+ len += snprintf(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 += snprintf(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 += snprintf(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 += snprintf(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 += snprintf(buf + len, sizeof(buf) - len, "antenna mode\t%d\n",
+ ah->ah_ant_mode);
+ len += snprintf(buf + len, sizeof(buf) - len, "default antenna\t%d\n",
+ ah->ah_def_ant);
+ len += snprintf(buf + len, sizeof(buf) - len, "tx antenna\t%d\n",
+ ah->ah_tx_ant);
+
+ len += snprintf(buf + len, sizeof(buf) - len, "\nANTENNA\t\tRX\tTX\n");
+ for (i = 1; i < ARRAY_SIZE(ah->stats.antenna_rx); i++) {
+ len += snprintf(buf + len, sizeof(buf) - len,
+ "[antenna %d]\t%d\t%d\n",
+ i, ah->stats.antenna_rx[i], ah->stats.antenna_tx[i]);
+ }
+ len += snprintf(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 += snprintf(buf + len, sizeof(buf) - len,
+ "\nAR5K_DEFAULT_ANTENNA\t0x%08x\n", v);
+
+ v = ath5k_hw_reg_read(ah, AR5K_STA_ID1);
+ len += snprintf(buf + len, sizeof(buf) - len,
+ "AR5K_STA_ID1_DEFAULT_ANTENNA\t%d\n",
+ (v & AR5K_STA_ID1_DEFAULT_ANTENNA) != 0);
+ len += snprintf(buf + len, sizeof(buf) - len,
+ "AR5K_STA_ID1_DESC_ANTENNA\t%d\n",
+ (v & AR5K_STA_ID1_DESC_ANTENNA) != 0);
+ len += snprintf(buf + len, sizeof(buf) - len,
+ "AR5K_STA_ID1_RTS_DEF_ANTENNA\t%d\n",
+ (v & AR5K_STA_ID1_RTS_DEF_ANTENNA) != 0);
+ len += snprintf(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 += snprintf(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 += snprintf(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 += snprintf(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 += snprintf(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 += snprintf(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 += snprintf(buf + len, sizeof(buf) - len, "bssid-mask: %pM\n",
+ ah->bssidmask);
+ len += snprintf(buf + len, sizeof(buf) - len, "filter-flags: 0x%x ",
+ filt);
+ if (filt & AR5K_RX_FILTER_UCAST)
+ len += snprintf(buf + len, sizeof(buf) - len, " UCAST");
+ if (filt & AR5K_RX_FILTER_MCAST)
+ len += snprintf(buf + len, sizeof(buf) - len, " MCAST");
+ if (filt & AR5K_RX_FILTER_BCAST)
+ len += snprintf(buf + len, sizeof(buf) - len, " BCAST");
+ if (filt & AR5K_RX_FILTER_CONTROL)
+ len += snprintf(buf + len, sizeof(buf) - len, " CONTROL");
+ if (filt & AR5K_RX_FILTER_BEACON)
+ len += snprintf(buf + len, sizeof(buf) - len, " BEACON");
+ if (filt & AR5K_RX_FILTER_PROM)
+ len += snprintf(buf + len, sizeof(buf) - len, " PROM");
+ if (filt & AR5K_RX_FILTER_XRPOLL)
+ len += snprintf(buf + len, sizeof(buf) - len, " XRPOLL");
+ if (filt & AR5K_RX_FILTER_PROBEREQ)
+ len += snprintf(buf + len, sizeof(buf) - len, " PROBEREQ");
+ if (filt & AR5K_RX_FILTER_PHYERR_5212)
+ len += snprintf(buf + len, sizeof(buf) - len, " PHYERR-5212");
+ if (filt & AR5K_RX_FILTER_RADARERR_5212)
+ len += snprintf(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 += snprintf(buf + len, sizeof(buf) - len, " RADARERR-5211");
+
+ len += snprintf(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 += snprintf(buf + len, sizeof(buf) - len,
+ "RX\n---------------------\n");
+ len += snprintf(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 += snprintf(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 += snprintf(buf + len, sizeof(buf) - len,
+ " phy_err[%u]\t%u\n",
+ i, st->rxerr_phy_code[i]);
+ }
+
+ len += snprintf(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 += snprintf(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 += snprintf(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 += snprintf(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 += snprintf(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 += snprintf(buf + len, sizeof(buf) - len, "[RX all\t%u]\n",
+ st->rx_all_count);
+ len += snprintf(buf + len, sizeof(buf) - len, "RX-all-bytes\t%u\n",
+ st->rx_bytes_count);
+
+ len += snprintf(buf + len, sizeof(buf) - len,
+ "\nTX\n---------------------\n");
+ len += snprintf(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 += snprintf(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 += snprintf(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 += snprintf(buf + len, sizeof(buf) - len, "[TX all\t%u]\n",
+ st->tx_all_count);
+ len += snprintf(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 += snprintf(buf + len, sizeof(buf) - len,
+ "HW has PHY error counters:\t%s\n",
+ ah->ah_capabilities.cap_has_phyerr_counters ?
+ "yes" : "no");
+ len += snprintf(buf + len, sizeof(buf) - len,
+ "HW max spur immunity level:\t%d\n",
+ as->max_spur_level);
+ len += snprintf(buf + len, sizeof(buf) - len,
+ "\nANI state\n--------------------------------------------\n");
+ len += snprintf(buf + len, sizeof(buf) - len, "operating mode:\t\t\t");
+ switch (as->ani_mode) {
+ case ATH5K_ANI_MODE_OFF:
+ len += snprintf(buf + len, sizeof(buf) - len, "OFF\n");
+ break;
+ case ATH5K_ANI_MODE_MANUAL_LOW:
+ len += snprintf(buf + len, sizeof(buf) - len,
+ "MANUAL LOW\n");
+ break;
+ case ATH5K_ANI_MODE_MANUAL_HIGH:
+ len += snprintf(buf + len, sizeof(buf) - len,
+ "MANUAL HIGH\n");
+ break;
+ case ATH5K_ANI_MODE_AUTO:
+ len += snprintf(buf + len, sizeof(buf) - len, "AUTO\n");
+ break;
+ default:
+ len += snprintf(buf + len, sizeof(buf) - len,
+ "??? (not good)\n");
+ break;
+ }
+ len += snprintf(buf + len, sizeof(buf) - len,
+ "noise immunity level:\t\t%d\n",
+ as->noise_imm_level);
+ len += snprintf(buf + len, sizeof(buf) - len,
+ "spur immunity level:\t\t%d\n",
+ as->spur_level);
+ len += snprintf(buf + len, sizeof(buf) - len,
+ "firstep level:\t\t\t%d\n",
+ as->firstep_level);
+ len += snprintf(buf + len, sizeof(buf) - len,
+ "OFDM weak signal detection:\t%s\n",
+ as->ofdm_weak_sig ? "on" : "off");
+ len += snprintf(buf + len, sizeof(buf) - len,
+ "CCK weak signal detection:\t%s\n",
+ as->cck_weak_sig ? "on" : "off");
+
+ len += snprintf(buf + len, sizeof(buf) - len,
+ "\nMIB INTERRUPTS:\t\t%u\n",
+ st->mib_intr);
+ len += snprintf(buf + len, sizeof(buf) - len,
+ "beacon RSSI average:\t%d\n",
+ (int)ewma_read(&ah->ah_beacon_rssi_avg));
+
+#define CC_PRINT(_struct, _field) \
+ _struct._field, \
+ _struct.cycles > 0 ? \
+ _struct._field * 100 / _struct.cycles : 0
+
+ len += snprintf(buf + len, sizeof(buf) - len,
+ "profcnt tx\t\t%u\t(%d%%)\n",
+ CC_PRINT(as->last_cc, tx_frame));
+ len += snprintf(buf + len, sizeof(buf) - len,
+ "profcnt rx\t\t%u\t(%d%%)\n",
+ CC_PRINT(as->last_cc, rx_frame));
+ len += snprintf(buf + len, sizeof(buf) - len,
+ "profcnt busy\t\t%u\t(%d%%)\n",
+ CC_PRINT(as->last_cc, rx_busy));
+#undef CC_PRINT
+ len += snprintf(buf + len, sizeof(buf) - len, "profcnt cycles\t\t%u\n",
+ as->last_cc.cycles);
+ len += snprintf(buf + len, sizeof(buf) - len,
+ "listen time\t\t%d\tlast: %d\n",
+ as->listen_time, as->last_listen);
+ len += snprintf(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 += snprintf(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 += snprintf(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 += snprintf(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 += snprintf(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 += snprintf(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 += snprintf(buf + len, sizeof(buf) - len,
+ " len: %d bufs: %d\n", txq->txq_len, n);
+ len += snprintf(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;
+ 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(eesize);
+ if (!buf) {
+ ret = -ENOMEM;
+ goto err;
+ }
+
+ for (i = 0; i < eesize; ++i) {
+ AR5K_EEPROM_READ(i, val);
+ 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 = i;
+
+ 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);
+ if (!phydir)
+ return;
+
+ debugfs_create_file("debug", S_IWUSR | S_IRUSR, phydir, ah,
+ &fops_debug);
+
+ debugfs_create_file("registers", S_IRUSR, phydir, ah, &fops_registers);
+
+ debugfs_create_file("beacon", S_IWUSR | S_IRUSR, phydir, ah,
+ &fops_beacon);
+
+ debugfs_create_file("reset", S_IWUSR, phydir, ah, &fops_reset);
+
+ debugfs_create_file("antenna", S_IWUSR | S_IRUSR, phydir, ah,
+ &fops_antenna);
+
+ debugfs_create_file("misc", S_IRUSR, phydir, ah, &fops_misc);
+
+ debugfs_create_file("eeprom", S_IRUSR, phydir, ah, &fops_eeprom);
+
+ debugfs_create_file("frameerrors", S_IWUSR | S_IRUSR, phydir, ah,
+ &fops_frameerrors);
+
+ debugfs_create_file("ani", S_IWUSR | S_IRUSR, phydir, ah, &fops_ani);
+
+ debugfs_create_file("queue", S_IWUSR | S_IRUSR, phydir, ah,
+ &fops_queue);
+
+ debugfs_create_bool("32khz_clock", S_IWUSR | S_IRUSR, 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;
+
+ BUG_ON(!ah->sbands);
+
+ for (b = 0; b < IEEE80211_NUM_BANDS; b++) {
+ struct ieee80211_supported_band *band = &ah->sbands[b];
+ char bname[6];
+ switch (band->band) {
+ case IEEE80211_BAND_2GHZ:
+ strcpy(bname, "2 GHz");
+ break;
+ case IEEE80211_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) ? '*' : '!');
+}