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path: root/drivers/net/wireless/ath/ath9k/debug.c
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Diffstat (limited to 'drivers/net/wireless/ath/ath9k/debug.c')
-rw-r--r--drivers/net/wireless/ath/ath9k/debug.c1372
1 files changed, 1372 insertions, 0 deletions
diff --git a/drivers/net/wireless/ath/ath9k/debug.c b/drivers/net/wireless/ath/ath9k/debug.c
new file mode 100644
index 00000000000..6cc42be48d4
--- /dev/null
+++ b/drivers/net/wireless/ath/ath9k/debug.c
@@ -0,0 +1,1372 @@
+/*
+ * 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 <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))
+
+void ath9k_debug_sync_cause(struct ath_softc *sc, u32 sync_cause)
+{
+ if (sync_cause)
+ sc->debug.stats.istats.sync_cause_all++;
+ if (sync_cause & AR_INTR_SYNC_RTC_IRQ)
+ sc->debug.stats.istats.sync_rtc_irq++;
+ if (sync_cause & AR_INTR_SYNC_MAC_IRQ)
+ sc->debug.stats.istats.sync_mac_irq++;
+ if (sync_cause & AR_INTR_SYNC_EEPROM_ILLEGAL_ACCESS)
+ sc->debug.stats.istats.eeprom_illegal_access++;
+ if (sync_cause & AR_INTR_SYNC_APB_TIMEOUT)
+ sc->debug.stats.istats.apb_timeout++;
+ if (sync_cause & AR_INTR_SYNC_PCI_MODE_CONFLICT)
+ sc->debug.stats.istats.pci_mode_conflict++;
+ if (sync_cause & AR_INTR_SYNC_HOST1_FATAL)
+ sc->debug.stats.istats.host1_fatal++;
+ if (sync_cause & AR_INTR_SYNC_HOST1_PERR)
+ sc->debug.stats.istats.host1_perr++;
+ if (sync_cause & AR_INTR_SYNC_TRCV_FIFO_PERR)
+ sc->debug.stats.istats.trcv_fifo_perr++;
+ if (sync_cause & AR_INTR_SYNC_RADM_CPL_EP)
+ sc->debug.stats.istats.radm_cpl_ep++;
+ if (sync_cause & AR_INTR_SYNC_RADM_CPL_DLLP_ABORT)
+ sc->debug.stats.istats.radm_cpl_dllp_abort++;
+ if (sync_cause & AR_INTR_SYNC_RADM_CPL_TLP_ABORT)
+ sc->debug.stats.istats.radm_cpl_tlp_abort++;
+ if (sync_cause & AR_INTR_SYNC_RADM_CPL_ECRC_ERR)
+ sc->debug.stats.istats.radm_cpl_ecrc_err++;
+ if (sync_cause & AR_INTR_SYNC_RADM_CPL_TIMEOUT)
+ sc->debug.stats.istats.radm_cpl_timeout++;
+ if (sync_cause & AR_INTR_SYNC_LOCAL_TIMEOUT)
+ sc->debug.stats.istats.local_timeout++;
+ if (sync_cause & AR_INTR_SYNC_PM_ACCESS)
+ sc->debug.stats.istats.pm_access++;
+ if (sync_cause & AR_INTR_SYNC_MAC_AWAKE)
+ sc->debug.stats.istats.mac_awake++;
+ if (sync_cause & AR_INTR_SYNC_MAC_ASLEEP)
+ sc->debug.stats.istats.mac_asleep++;
+ if (sync_cause & AR_INTR_SYNC_MAC_SLEEP_ACCESS)
+ sc->debug.stats.istats.mac_sleep_access++;
+}
+
+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_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;
+ const unsigned int size = 1024;
+ ssize_t retval = 0;
+ char *buf;
+ int i;
+ struct {
+ const char *name;
+ unsigned int val;
+ } ani_info[] = {
+ { "ANI RESET", ah->stats.ast_ani_reset },
+ { "OFDM LEVEL", ah->ani.ofdmNoiseImmunityLevel },
+ { "CCK LEVEL", ah->ani.cckNoiseImmunityLevel },
+ { "SPUR UP", ah->stats.ast_ani_spurup },
+ { "SPUR DOWN", ah->stats.ast_ani_spurup },
+ { "OFDM WS-DET ON", ah->stats.ast_ani_ofdmon },
+ { "OFDM WS-DET OFF", ah->stats.ast_ani_ofdmoff },
+ { "MRC-CCK ON", ah->stats.ast_ani_ccklow },
+ { "MRC-CCK OFF", ah->stats.ast_ani_cckhigh },
+ { "FIR-STEP UP", ah->stats.ast_ani_stepup },
+ { "FIR-STEP DOWN", ah->stats.ast_ani_stepdown },
+ { "INV LISTENTIME", ah->stats.ast_ani_lneg_or_lzero },
+ { "OFDM ERRORS", ah->stats.ast_ani_ofdmerrs },
+ { "CCK ERRORS", ah->stats.ast_ani_cckerrs },
+ };
+
+ buf = kzalloc(size, GFP_KERNEL);
+ if (buf == NULL)
+ return -ENOMEM;
+
+ len += scnprintf(buf + len, size - len, "%15s: %s\n", "ANI",
+ common->disable_ani ? "DISABLED" : "ENABLED");
+
+ if (common->disable_ani)
+ goto exit;
+
+ for (i = 0; i < ARRAY_SIZE(ani_info); i++)
+ len += scnprintf(buf + len, size - len, "%15s: %u\n",
+ ani_info[i].name, ani_info[i].val);
+
+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(ATH_OP_ANI_RUN, &common->op_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,
+};
+
+#ifdef CONFIG_ATH9K_BTCOEX_SUPPORT
+
+static ssize_t read_file_bt_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->bt_ant_diversity);
+ return simple_read_from_buffer(user_buf, count, ppos, buf, len);
+}
+
+static ssize_t write_file_bt_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);
+ struct ath9k_hw_capabilities *pCap = &sc->sc_ah->caps;
+ unsigned long bt_ant_diversity;
+ char buf[32];
+ ssize_t len;
+
+ len = min(count, sizeof(buf) - 1);
+ if (copy_from_user(buf, user_buf, len))
+ return -EFAULT;
+
+ if (!(pCap->hw_caps & ATH9K_HW_CAP_BT_ANT_DIV))
+ goto exit;
+
+ buf[len] = '\0';
+ if (kstrtoul(buf, 0, &bt_ant_diversity))
+ return -EINVAL;
+
+ common->bt_ant_diversity = !!bt_ant_diversity;
+ ath9k_ps_wakeup(sc);
+ ath9k_hw_set_bt_ant_diversity(sc->sc_ah, common->bt_ant_diversity);
+ ath_dbg(common, CONFIG, "Enable WLAN/BT RX Antenna diversity: %d\n",
+ common->bt_ant_diversity);
+ ath9k_ps_restore(sc);
+exit:
+ return count;
+}
+
+static const struct file_operations fops_bt_ant_diversity = {
+ .read = read_file_bt_ant_diversity,
+ .write = write_file_bt_ant_diversity,
+ .open = simple_open,
+ .owner = THIS_MODULE,
+ .llseek = default_llseek,
+};
+
+#endif
+
+void ath9k_debug_stat_ant(struct ath_softc *sc,
+ struct ath_hw_antcomb_conf *div_ant_conf,
+ int main_rssi_avg, int alt_rssi_avg)
+{
+ struct ath_antenna_stats *as_main = &sc->debug.stats.ant_stats[ANT_MAIN];
+ struct ath_antenna_stats *as_alt = &sc->debug.stats.ant_stats[ANT_ALT];
+
+ as_main->lna_attempt_cnt[div_ant_conf->main_lna_conf]++;
+ as_alt->lna_attempt_cnt[div_ant_conf->alt_lna_conf]++;
+
+ as_main->rssi_avg = main_rssi_avg;
+ as_alt->rssi_avg = alt_rssi_avg;
+}
+
+static ssize_t read_file_antenna_diversity(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;
+ struct ath9k_hw_capabilities *pCap = &ah->caps;
+ struct ath_antenna_stats *as_main = &sc->debug.stats.ant_stats[ANT_MAIN];
+ struct ath_antenna_stats *as_alt = &sc->debug.stats.ant_stats[ANT_ALT];
+ struct ath_hw_antcomb_conf div_ant_conf;
+ unsigned int len = 0;
+ const unsigned int size = 1024;
+ ssize_t retval = 0;
+ char *buf;
+ static const char *lna_conf_str[4] = {
+ "LNA1_MINUS_LNA2", "LNA2", "LNA1", "LNA1_PLUS_LNA2"
+ };
+
+ buf = kzalloc(size, GFP_KERNEL);
+ if (buf == NULL)
+ return -ENOMEM;
+
+ if (!(pCap->hw_caps & ATH9K_HW_CAP_ANT_DIV_COMB)) {
+ len += scnprintf(buf + len, size - len, "%s\n",
+ "Antenna Diversity Combining is disabled");
+ goto exit;
+ }
+
+ ath9k_ps_wakeup(sc);
+ ath9k_hw_antdiv_comb_conf_get(ah, &div_ant_conf);
+ len += scnprintf(buf + len, size - len, "Current MAIN config : %s\n",
+ lna_conf_str[div_ant_conf.main_lna_conf]);
+ len += scnprintf(buf + len, size - len, "Current ALT config : %s\n",
+ lna_conf_str[div_ant_conf.alt_lna_conf]);
+ len += scnprintf(buf + len, size - len, "Average MAIN RSSI : %d\n",
+ as_main->rssi_avg);
+ len += scnprintf(buf + len, size - len, "Average ALT RSSI : %d\n\n",
+ as_alt->rssi_avg);
+ ath9k_ps_restore(sc);
+
+ len += scnprintf(buf + len, size - len, "Packet Receive Cnt:\n");
+ len += scnprintf(buf + len, size - len, "-------------------\n");
+
+ len += scnprintf(buf + len, size - len, "%30s%15s\n",
+ "MAIN", "ALT");
+ len += scnprintf(buf + len, size - len, "%-14s:%15d%15d\n",
+ "TOTAL COUNT",
+ as_main->recv_cnt,
+ as_alt->recv_cnt);
+ len += scnprintf(buf + len, size - len, "%-14s:%15d%15d\n",
+ "LNA1",
+ as_main->lna_recv_cnt[ATH_ANT_DIV_COMB_LNA1],
+ as_alt->lna_recv_cnt[ATH_ANT_DIV_COMB_LNA1]);
+ len += scnprintf(buf + len, size - len, "%-14s:%15d%15d\n",
+ "LNA2",
+ as_main->lna_recv_cnt[ATH_ANT_DIV_COMB_LNA2],
+ as_alt->lna_recv_cnt[ATH_ANT_DIV_COMB_LNA2]);
+ len += scnprintf(buf + len, size - len, "%-14s:%15d%15d\n",
+ "LNA1 + LNA2",
+ as_main->lna_recv_cnt[ATH_ANT_DIV_COMB_LNA1_PLUS_LNA2],
+ as_alt->lna_recv_cnt[ATH_ANT_DIV_COMB_LNA1_PLUS_LNA2]);
+ len += scnprintf(buf + len, size - len, "%-14s:%15d%15d\n",
+ "LNA1 - LNA2",
+ as_main->lna_recv_cnt[ATH_ANT_DIV_COMB_LNA1_MINUS_LNA2],
+ as_alt->lna_recv_cnt[ATH_ANT_DIV_COMB_LNA1_MINUS_LNA2]);
+
+ len += scnprintf(buf + len, size - len, "\nLNA Config Attempts:\n");
+ len += scnprintf(buf + len, size - len, "--------------------\n");
+
+ len += scnprintf(buf + len, size - len, "%30s%15s\n",
+ "MAIN", "ALT");
+ len += scnprintf(buf + len, size - len, "%-14s:%15d%15d\n",
+ "LNA1",
+ as_main->lna_attempt_cnt[ATH_ANT_DIV_COMB_LNA1],
+ as_alt->lna_attempt_cnt[ATH_ANT_DIV_COMB_LNA1]);
+ len += scnprintf(buf + len, size - len, "%-14s:%15d%15d\n",
+ "LNA2",
+ as_main->lna_attempt_cnt[ATH_ANT_DIV_COMB_LNA2],
+ as_alt->lna_attempt_cnt[ATH_ANT_DIV_COMB_LNA2]);
+ len += scnprintf(buf + len, size - len, "%-14s:%15d%15d\n",
+ "LNA1 + LNA2",
+ as_main->lna_attempt_cnt[ATH_ANT_DIV_COMB_LNA1_PLUS_LNA2],
+ as_alt->lna_attempt_cnt[ATH_ANT_DIV_COMB_LNA1_PLUS_LNA2]);
+ len += scnprintf(buf + len, size - len, "%-14s:%15d%15d\n",
+ "LNA1 - LNA2",
+ as_main->lna_attempt_cnt[ATH_ANT_DIV_COMB_LNA1_MINUS_LNA2],
+ as_alt->lna_attempt_cnt[ATH_ANT_DIV_COMB_LNA1_MINUS_LNA2]);
+
+exit:
+ if (len > size)
+ len = size;
+
+ retval = simple_read_from_buffer(user_buf, count, ppos, buf, len);
+ kfree(buf);
+
+ return retval;
+}
+
+static const struct file_operations fops_antenna_diversity = {
+ .read = read_file_antenna_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 += scnprintf(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 += scnprintf(buf + len, DMA_BUF_LEN - len, "\n");
+
+ val[i] = REG_READ_D(ah, AR_DMADBG_0 + (i * sizeof(u32)));
+ len += scnprintf(buf + len, DMA_BUF_LEN - len, "%d: %08x ",
+ i, val[i]);
+ }
+
+ len += scnprintf(buf + len, DMA_BUF_LEN - len, "\n\n");
+ len += scnprintf(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 += scnprintf(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 += scnprintf(buf + len, DMA_BUF_LEN - len, "\n");
+
+ len += scnprintf(buf + len, DMA_BUF_LEN - len,
+ "qcu_stitch state: %2x qcu_fetch state: %2x\n",
+ (val[3] & 0x003c0000) >> 18, (val[3] & 0x03c00000) >> 22);
+ len += scnprintf(buf + len, DMA_BUF_LEN - len,
+ "qcu_complete state: %2x dcu_complete state: %2x\n",
+ (val[3] & 0x1c000000) >> 26, (val[6] & 0x3));
+ len += scnprintf(buf + len, DMA_BUF_LEN - len,
+ "dcu_arb state: %2x dcu_fp state: %2x\n",
+ (val[5] & 0x06000000) >> 25, (val[5] & 0x38000000) >> 27);
+ len += scnprintf(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 += scnprintf(buf + len, DMA_BUF_LEN - len,
+ "txfifo_valid_0: %1d txfifo_valid_1: %1d\n",
+ (val[6] & 0x00000800) >> 11, (val[6] & 0x00001000) >> 12);
+ len += scnprintf(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 += scnprintf(buf + len, DMA_BUF_LEN - len, "pcu observe: 0x%x\n",
+ REG_READ_D(ah, AR_OBS_BUS_1));
+ len += scnprintf(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 += scnprintf(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 += scnprintf(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 print_queue(struct ath_softc *sc, struct ath_txq *txq,
+ char *buf, ssize_t size)
+{
+ ssize_t len = 0;
+
+ ath_txq_lock(sc, txq);
+
+ len += scnprintf(buf + len, size - len, "%s: %d ",
+ "qnum", txq->axq_qnum);
+ len += scnprintf(buf + len, size - len, "%s: %2d ",
+ "qdepth", txq->axq_depth);
+ len += scnprintf(buf + len, size - len, "%s: %2d ",
+ "ampdu-depth", txq->axq_ampdu_depth);
+ len += scnprintf(buf + len, size - len, "%s: %3d ",
+ "pending", txq->pending_frames);
+ len += scnprintf(buf + len, size - len, "%s: %d\n",
+ "stopped", txq->stopped);
+
+ ath_txq_unlock(sc, txq);
+ return len;
+}
+
+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;
+ const unsigned int size = 1024;
+ ssize_t retval = 0;
+ int i;
+ static const 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 += scnprintf(buf + len, size - len, "(%s): ", qname[i]);
+ len += print_queue(sc, txq, buf + len, size - len);
+ }
+
+ len += scnprintf(buf + len, size - len, "(CAB): ");
+ len += print_queue(sc, sc->beacon.cabq, buf + len, size - len);
+
+ 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 += scnprintf(buf + len, sizeof(buf) - len,
+ "BSSID: %pM\n", common->curbssid);
+ len += scnprintf(buf + len, sizeof(buf) - len,
+ "BSSID-MASK: %pM\n", common->bssidmask);
+ len += scnprintf(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 += scnprintf(buf + len, sizeof(buf) - len,
+ "RXFILTER: 0x%x", rxfilter);
+
+ if (rxfilter & ATH9K_RX_FILTER_UCAST)
+ len += scnprintf(buf + len, sizeof(buf) - len, " UCAST");
+ if (rxfilter & ATH9K_RX_FILTER_MCAST)
+ len += scnprintf(buf + len, sizeof(buf) - len, " MCAST");
+ if (rxfilter & ATH9K_RX_FILTER_BCAST)
+ len += scnprintf(buf + len, sizeof(buf) - len, " BCAST");
+ if (rxfilter & ATH9K_RX_FILTER_CONTROL)
+ len += scnprintf(buf + len, sizeof(buf) - len, " CONTROL");
+ if (rxfilter & ATH9K_RX_FILTER_BEACON)
+ len += scnprintf(buf + len, sizeof(buf) - len, " BEACON");
+ if (rxfilter & ATH9K_RX_FILTER_PROM)
+ len += scnprintf(buf + len, sizeof(buf) - len, " PROM");
+ if (rxfilter & ATH9K_RX_FILTER_PROBEREQ)
+ len += scnprintf(buf + len, sizeof(buf) - len, " PROBEREQ");
+ if (rxfilter & ATH9K_RX_FILTER_PHYERR)
+ len += scnprintf(buf + len, sizeof(buf) - len, " PHYERR");
+ if (rxfilter & ATH9K_RX_FILTER_MYBEACON)
+ len += scnprintf(buf + len, sizeof(buf) - len, " MYBEACON");
+ if (rxfilter & ATH9K_RX_FILTER_COMP_BAR)
+ len += scnprintf(buf + len, sizeof(buf) - len, " COMP_BAR");
+ if (rxfilter & ATH9K_RX_FILTER_PSPOLL)
+ len += scnprintf(buf + len, sizeof(buf) - len, " PSPOLL");
+ if (rxfilter & ATH9K_RX_FILTER_PHYRADAR)
+ len += scnprintf(buf + len, sizeof(buf) - len, " PHYRADAR");
+ if (rxfilter & ATH9K_RX_FILTER_MCAST_BCAST_ALL)
+ len += scnprintf(buf + len, sizeof(buf) - len, " MCAST_BCAST_ALL");
+ if (rxfilter & ATH9K_RX_FILTER_CONTROL_WRAPPER)
+ len += scnprintf(buf + len, sizeof(buf) - len, " CONTROL_WRAPPER");
+
+ len += scnprintf(buf + len, sizeof(buf) - len, "\n");
+
+ reg = sc->sc_ah->imask;
+
+ len += scnprintf(buf + len, sizeof(buf) - len,
+ "INTERRUPT-MASK: 0x%x", reg);
+
+ if (reg & ATH9K_INT_SWBA)
+ len += scnprintf(buf + len, sizeof(buf) - len, " SWBA");
+ if (reg & ATH9K_INT_BMISS)
+ len += scnprintf(buf + len, sizeof(buf) - len, " BMISS");
+ if (reg & ATH9K_INT_CST)
+ len += scnprintf(buf + len, sizeof(buf) - len, " CST");
+ if (reg & ATH9K_INT_RX)
+ len += scnprintf(buf + len, sizeof(buf) - len, " RX");
+ if (reg & ATH9K_INT_RXHP)
+ len += scnprintf(buf + len, sizeof(buf) - len, " RXHP");
+ if (reg & ATH9K_INT_RXLP)
+ len += scnprintf(buf + len, sizeof(buf) - len, " RXLP");
+ if (reg & ATH9K_INT_BB_WATCHDOG)
+ len += scnprintf(buf + len, sizeof(buf) - len, " BB_WATCHDOG");
+
+ len += scnprintf(buf + len, sizeof(buf) - len, "\n");
+
+ ath9k_calculate_iter_data(hw, NULL, &iter_data);
+
+ len += scnprintf(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 += scnprintf(buf + len, sizeof(buf) - len,
+ "%17s: %2d\n", "Baseband Hang",
+ sc->debug.stats.reset[RESET_TYPE_BB_HANG]);
+ len += scnprintf(buf + len, sizeof(buf) - len,
+ "%17s: %2d\n", "Baseband Watchdog",
+ sc->debug.stats.reset[RESET_TYPE_BB_WATCHDOG]);
+ len += scnprintf(buf + len, sizeof(buf) - len,
+ "%17s: %2d\n", "Fatal HW Error",
+ sc->debug.stats.reset[RESET_TYPE_FATAL_INT]);
+ len += scnprintf(buf + len, sizeof(buf) - len,
+ "%17s: %2d\n", "TX HW error",
+ sc->debug.stats.reset[RESET_TYPE_TX_ERROR]);
+ len += scnprintf(buf + len, sizeof(buf) - len,
+ "%17s: %2d\n", "TX Path Hang",
+ sc->debug.stats.reset[RESET_TYPE_TX_HANG]);
+ len += scnprintf(buf + len, sizeof(buf) - len,
+ "%17s: %2d\n", "PLL RX Hang",
+ sc->debug.stats.reset[RESET_TYPE_PLL_HANG]);
+ len += scnprintf(buf + len, sizeof(buf) - len,
+ "%17s: %2d\n", "MAC Hang",
+ sc->debug.stats.reset[RESET_TYPE_MAC_HANG]);
+ len += scnprintf(buf + len, sizeof(buf) - len,
+ "%17s: %2d\n", "Stuck Beacon",
+ sc->debug.stats.reset[RESET_TYPE_BEACON_STUCK]);
+ len += scnprintf(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,
+};
+
+void ath_debug_stat_rx(struct ath_softc *sc, struct ath_rx_status *rs)
+{
+ ath9k_cmn_debug_stat_rx(&sc->debug.stats.rxstats, rs);
+}
+
+static ssize_t read_file_regidx(struct file *file, char __user *user_buf,
+ size_t count, loff_t *ppos)
+{
+ struct ath_softc *sc = file->private_data;
+ char buf[32];
+ unsigned int len;
+
+ len = sprintf(buf, "0x%08x\n", sc->debug.regidx);
+ return simple_read_from_buffer(user_buf, count, ppos, buf, len);
+}
+
+static ssize_t write_file_regidx(struct file *file, const char __user *user_buf,
+ size_t count, loff_t *ppos)
+{
+ struct ath_softc *sc = file->private_data;
+ unsigned long regidx;
+ 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, &regidx))
+ return -EINVAL;
+
+ sc->debug.regidx = regidx;
+ return count;
+}
+
+static const struct file_operations fops_regidx = {
+ .read = read_file_regidx,
+ .write = write_file_regidx,
+ .open = simple_open,
+ .owner = THIS_MODULE,
+ .llseek = default_llseek,
+};
+
+static ssize_t read_file_regval(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;
+ u32 regval;
+
+ ath9k_ps_wakeup(sc);
+ regval = REG_READ_D(ah, sc->debug.regidx);
+ ath9k_ps_restore(sc);
+ len = sprintf(buf, "0x%08x\n", regval);
+ return simple_read_from_buffer(user_buf, count, ppos, buf, len);
+}
+
+static ssize_t write_file_regval(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 regval;
+ 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, &regval))
+ return -EINVAL;
+
+ ath9k_ps_wakeup(sc);
+ REG_WRITE_D(ah, sc->debug.regidx, regval);
+ ath9k_ps_restore(sc);
+ return count;
+}
+
+static const struct file_operations fops_regval = {
+ .read = read_file_regval,
+ .write = write_file_regval,
+ .open = simple_open,
+ .owner = THIS_MODULE,
+ .llseek = default_llseek,
+};
+
+#define REGDUMP_LINE_SIZE 20
+
+static int open_file_regdump(struct inode *inode, struct file *file)
+{
+ struct ath_softc *sc = inode->i_private;
+ unsigned int len = 0;
+ u8 *buf;
+ int i;
+ unsigned long num_regs, regdump_len, max_reg_offset;
+
+ max_reg_offset = AR_SREV_9300_20_OR_LATER(sc->sc_ah) ? 0x16bd4 : 0xb500;
+ num_regs = max_reg_offset / 4 + 1;
+ regdump_len = num_regs * REGDUMP_LINE_SIZE + 1;
+ buf = vmalloc(regdump_len);
+ if (!buf)
+ return -ENOMEM;
+
+ ath9k_ps_wakeup(sc);
+ for (i = 0; i < num_regs; i++)
+ len += scnprintf(buf + len, regdump_len - len,
+ "0x%06x 0x%08x\n", i << 2, REG_READ(sc->sc_ah, i << 2));
+ ath9k_ps_restore(sc);
+
+ file->private_data = buf;
+
+ return 0;
+}
+
+static const struct file_operations fops_regdump = {
+ .open = open_file_regdump,
+ .read = ath9k_debugfs_read_buf,
+ .release = ath9k_debugfs_release_buf,
+ .owner = THIS_MODULE,
+ .llseek = default_llseek,/* read accesses f_pos */
+};
+
+static ssize_t read_file_dump_nfcal(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;
+ struct ath9k_nfcal_hist *h = sc->caldata.nfCalHist;
+ struct ath_common *common = ath9k_hw_common(ah);
+ struct ieee80211_conf *conf = &common->hw->conf;
+ u32 len = 0, size = 1500;
+ u32 i, j;
+ ssize_t retval = 0;
+ char *buf;
+ u8 chainmask = (ah->rxchainmask << 3) | ah->rxchainmask;
+ u8 nread;
+
+ buf = kzalloc(size, GFP_KERNEL);
+ if (!buf)
+ return -ENOMEM;
+
+ len += scnprintf(buf + len, size - len,
+ "Channel Noise Floor : %d\n", ah->noise);
+ len += scnprintf(buf + len, size - len,
+ "Chain | privNF | # Readings | NF Readings\n");
+ for (i = 0; i < NUM_NF_READINGS; i++) {
+ if (!(chainmask & (1 << i)) ||
+ ((i >= AR5416_MAX_CHAINS) && !conf_is_ht40(conf)))
+ continue;
+
+ nread = AR_PHY_CCA_FILTERWINDOW_LENGTH - h[i].invalidNFcount;
+ len += scnprintf(buf + len, size - len, " %d\t %d\t %d\t\t",
+ i, h[i].privNF, nread);
+ for (j = 0; j < nread; j++)
+ len += scnprintf(buf + len, size - len,
+ " %d", h[i].nfCalBuffer[j]);
+ len += scnprintf(buf + len, size - len, "\n");
+ }
+
+ if (len > size)
+ len = size;
+
+ retval = simple_read_from_buffer(user_buf, count, ppos, buf, len);
+ kfree(buf);
+
+ return retval;
+}
+
+static const struct file_operations fops_dump_nfcal = {
+ .read = read_file_dump_nfcal,
+ .open = simple_open,
+ .owner = THIS_MODULE,
+ .llseek = default_llseek,
+};
+
+#ifdef CONFIG_ATH9K_BTCOEX_SUPPORT
+static ssize_t read_file_btcoex(struct file *file, char __user *user_buf,
+ size_t count, loff_t *ppos)
+{
+ struct ath_softc *sc = file->private_data;
+ u32 len = 0, size = 1500;
+ char *buf;
+ size_t retval;
+
+ buf = kzalloc(size, GFP_KERNEL);
+ if (buf == NULL)
+ return -ENOMEM;
+
+ if (!sc->sc_ah->common.btcoex_enabled) {
+ len = scnprintf(buf, size, "%s\n",
+ "BTCOEX is disabled");
+ goto exit;
+ }
+
+ len = ath9k_dump_btcoex(sc, buf, size);
+exit:
+ retval = simple_read_from_buffer(user_buf, count, ppos, buf, len);
+ kfree(buf);
+
+ return retval;
+}
+
+static const struct file_operations fops_btcoex = {
+ .read = read_file_btcoex,
+ .open = simple_open,
+ .owner = THIS_MODULE,
+ .llseek = default_llseek,
+};
+#endif
+
+/* Ethtool support for get-stats */
+
+#define AMKSTR(nm) #nm "_BE", #nm "_BK", #nm "_VI", #nm "_VO"
+static const char ath9k_gstrings_stats[][ETH_GSTRING_LEN] = {
+ "tx_pkts_nic",
+ "tx_bytes_nic",
+ "rx_pkts_nic",
+ "rx_bytes_nic",
+ AMKSTR(d_tx_pkts),
+ AMKSTR(d_tx_bytes),
+ AMKSTR(d_tx_mpdus_queued),
+ AMKSTR(d_tx_mpdus_completed),
+ AMKSTR(d_tx_mpdu_xretries),
+ AMKSTR(d_tx_aggregates),
+ AMKSTR(d_tx_ampdus_queued_hw),
+ AMKSTR(d_tx_ampdus_queued_sw),
+ AMKSTR(d_tx_ampdus_completed),
+ AMKSTR(d_tx_ampdu_retries),
+ AMKSTR(d_tx_ampdu_xretries),
+ AMKSTR(d_tx_fifo_underrun),
+ AMKSTR(d_tx_op_exceeded),
+ AMKSTR(d_tx_timer_expiry),
+ AMKSTR(d_tx_desc_cfg_err),
+ AMKSTR(d_tx_data_underrun),
+ AMKSTR(d_tx_delim_underrun),
+ "d_rx_crc_err",
+ "d_rx_decrypt_crc_err",
+ "d_rx_phy_err",
+ "d_rx_mic_err",
+ "d_rx_pre_delim_crc_err",
+ "d_rx_post_delim_crc_err",
+ "d_rx_decrypt_busy_err",
+
+ "d_rx_phyerr_radar",
+ "d_rx_phyerr_ofdm_timing",
+ "d_rx_phyerr_cck_timing",
+
+};
+#define ATH9K_SSTATS_LEN ARRAY_SIZE(ath9k_gstrings_stats)
+
+void ath9k_get_et_strings(struct ieee80211_hw *hw,
+ struct ieee80211_vif *vif,
+ u32 sset, u8 *data)
+{
+ if (sset == ETH_SS_STATS)
+ memcpy(data, *ath9k_gstrings_stats,
+ sizeof(ath9k_gstrings_stats));
+}
+
+int ath9k_get_et_sset_count(struct ieee80211_hw *hw,
+ struct ieee80211_vif *vif, int sset)
+{
+ if (sset == ETH_SS_STATS)
+ return ATH9K_SSTATS_LEN;
+ return 0;
+}
+
+#define AWDATA(elem) \
+ do { \
+ data[i++] = sc->debug.stats.txstats[PR_QNUM(IEEE80211_AC_BE)].elem; \
+ data[i++] = sc->debug.stats.txstats[PR_QNUM(IEEE80211_AC_BK)].elem; \
+ data[i++] = sc->debug.stats.txstats[PR_QNUM(IEEE80211_AC_VI)].elem; \
+ data[i++] = sc->debug.stats.txstats[PR_QNUM(IEEE80211_AC_VO)].elem; \
+ } while (0)
+
+#define AWDATA_RX(elem) \
+ do { \
+ data[i++] = sc->debug.stats.rxstats.elem; \
+ } while (0)
+
+void ath9k_get_et_stats(struct ieee80211_hw *hw,
+ struct ieee80211_vif *vif,
+ struct ethtool_stats *stats, u64 *data)
+{
+ struct ath_softc *sc = hw->priv;
+ int i = 0;
+
+ data[i++] = (sc->debug.stats.txstats[PR_QNUM(IEEE80211_AC_BE)].tx_pkts_all +
+ sc->debug.stats.txstats[PR_QNUM(IEEE80211_AC_BK)].tx_pkts_all +
+ sc->debug.stats.txstats[PR_QNUM(IEEE80211_AC_VI)].tx_pkts_all +
+ sc->debug.stats.txstats[PR_QNUM(IEEE80211_AC_VO)].tx_pkts_all);
+ data[i++] = (sc->debug.stats.txstats[PR_QNUM(IEEE80211_AC_BE)].tx_bytes_all +
+ sc->debug.stats.txstats[PR_QNUM(IEEE80211_AC_BK)].tx_bytes_all +
+ sc->debug.stats.txstats[PR_QNUM(IEEE80211_AC_VI)].tx_bytes_all +
+ sc->debug.stats.txstats[PR_QNUM(IEEE80211_AC_VO)].tx_bytes_all);
+ AWDATA_RX(rx_pkts_all);
+ AWDATA_RX(rx_bytes_all);
+
+ AWDATA(tx_pkts_all);
+ AWDATA(tx_bytes_all);
+ AWDATA(queued);
+ AWDATA(completed);
+ AWDATA(xretries);
+ AWDATA(a_aggr);
+ AWDATA(a_queued_hw);
+ AWDATA(a_queued_sw);
+ AWDATA(a_completed);
+ AWDATA(a_retries);
+ AWDATA(a_xretries);
+ AWDATA(fifo_underrun);
+ AWDATA(xtxop);
+ AWDATA(timer_exp);
+ AWDATA(desc_cfg_err);
+ AWDATA(data_underrun);
+ AWDATA(delim_underrun);
+
+ AWDATA_RX(crc_err);
+ AWDATA_RX(decrypt_crc_err);
+ AWDATA_RX(phy_err);
+ AWDATA_RX(mic_err);
+ AWDATA_RX(pre_delim_crc_err);
+ AWDATA_RX(post_delim_crc_err);
+ AWDATA_RX(decrypt_busy_err);
+
+ AWDATA_RX(phy_err_stats[ATH9K_PHYERR_RADAR]);
+ AWDATA_RX(phy_err_stats[ATH9K_PHYERR_OFDM_TIMING]);
+ AWDATA_RX(phy_err_stats[ATH9K_PHYERR_CCK_TIMING]);
+
+ WARN_ON(i != ATH9K_SSTATS_LEN);
+}
+
+void ath9k_deinit_debug(struct ath_softc *sc)
+{
+ ath9k_spectral_deinit_debug(sc);
+}
+
+int ath9k_init_debug(struct ath_hw *ah)
+{
+ struct ath_common *common = ath9k_hw_common(ah);
+ struct ath_softc *sc = (struct ath_softc *) common->priv;
+
+ sc->debug.debugfs_phy = debugfs_create_dir("ath9k",
+ sc->hw->wiphy->debugfsdir);
+ if (!sc->debug.debugfs_phy)
+ return -ENOMEM;
+
+#ifdef CONFIG_ATH_DEBUG
+ debugfs_create_file("debug", S_IRUSR | S_IWUSR, sc->debug.debugfs_phy,
+ sc, &fops_debug);
+#endif
+
+ ath9k_dfs_init_debug(sc);
+ ath9k_tx99_init_debug(sc);
+ ath9k_spectral_init_debug(sc);
+
+ debugfs_create_file("dma", S_IRUSR, sc->debug.debugfs_phy, sc,
+ &fops_dma);
+ debugfs_create_file("interrupt", S_IRUSR, sc->debug.debugfs_phy, sc,
+ &fops_interrupt);
+ debugfs_create_file("xmit", S_IRUSR, sc->debug.debugfs_phy, sc,
+ &fops_xmit);
+ debugfs_create_file("queues", S_IRUSR, sc->debug.debugfs_phy, sc,
+ &fops_queues);
+ debugfs_create_u32("qlen_bk", S_IRUSR | S_IWUSR, sc->debug.debugfs_phy,
+ &sc->tx.txq_max_pending[IEEE80211_AC_BK]);
+ debugfs_create_u32("qlen_be", S_IRUSR | S_IWUSR, sc->debug.debugfs_phy,
+ &sc->tx.txq_max_pending[IEEE80211_AC_BE]);
+ debugfs_create_u32("qlen_vi", S_IRUSR | S_IWUSR, sc->debug.debugfs_phy,
+ &sc->tx.txq_max_pending[IEEE80211_AC_VI]);
+ debugfs_create_u32("qlen_vo", S_IRUSR | S_IWUSR, sc->debug.debugfs_phy,
+ &sc->tx.txq_max_pending[IEEE80211_AC_VO]);
+ debugfs_create_file("misc", S_IRUSR, sc->debug.debugfs_phy, sc,
+ &fops_misc);
+ debugfs_create_file("reset", S_IRUSR, sc->debug.debugfs_phy, sc,
+ &fops_reset);
+
+ ath9k_cmn_debug_recv(sc->debug.debugfs_phy, &sc->debug.stats.rxstats);
+ ath9k_cmn_debug_phy_err(sc->debug.debugfs_phy, &sc->debug.stats.rxstats);
+
+ debugfs_create_u8("rx_chainmask", S_IRUSR, sc->debug.debugfs_phy,
+ &ah->rxchainmask);
+ debugfs_create_u8("tx_chainmask", S_IRUSR, sc->debug.debugfs_phy,
+ &ah->txchainmask);
+ debugfs_create_file("ani", S_IRUSR | S_IWUSR,
+ sc->debug.debugfs_phy, sc, &fops_ani);
+ debugfs_create_bool("paprd", S_IRUSR | S_IWUSR, sc->debug.debugfs_phy,
+ &sc->sc_ah->config.enable_paprd);
+ debugfs_create_file("regidx", S_IRUSR | S_IWUSR, sc->debug.debugfs_phy,
+ sc, &fops_regidx);
+ debugfs_create_file("regval", S_IRUSR | S_IWUSR, sc->debug.debugfs_phy,
+ sc, &fops_regval);
+ debugfs_create_bool("ignore_extcca", S_IRUSR | S_IWUSR,
+ sc->debug.debugfs_phy,
+ &ah->config.cwm_ignore_extcca);
+ debugfs_create_file("regdump", S_IRUSR, sc->debug.debugfs_phy, sc,
+ &fops_regdump);
+ debugfs_create_file("dump_nfcal", S_IRUSR, sc->debug.debugfs_phy, sc,
+ &fops_dump_nfcal);
+
+ ath9k_cmn_debug_base_eeprom(sc->debug.debugfs_phy, sc->sc_ah);
+ ath9k_cmn_debug_modal_eeprom(sc->debug.debugfs_phy, sc->sc_ah);
+
+ debugfs_create_u32("gpio_mask", S_IRUSR | S_IWUSR,
+ sc->debug.debugfs_phy, &sc->sc_ah->gpio_mask);
+ debugfs_create_u32("gpio_val", S_IRUSR | S_IWUSR,
+ sc->debug.debugfs_phy, &sc->sc_ah->gpio_val);
+ debugfs_create_file("antenna_diversity", S_IRUSR,
+ sc->debug.debugfs_phy, sc, &fops_antenna_diversity);
+#ifdef CONFIG_ATH9K_BTCOEX_SUPPORT
+ debugfs_create_file("bt_ant_diversity", S_IRUSR | S_IWUSR,
+ sc->debug.debugfs_phy, sc, &fops_bt_ant_diversity);
+ debugfs_create_file("btcoex", S_IRUSR, sc->debug.debugfs_phy, sc,
+ &fops_btcoex);
+#endif
+
+ return 0;
+}
generated by cgit v1.2.3-70-g09d2 (git 2.46.0) at 2025-11-10 12:08:37 +0000