summaryrefslogtreecommitdiffstats
path: root/drivers/net/wireless/ath/ath9k/debug.c
diff options
context:
space:
mode:
Diffstat (limited to 'drivers/net/wireless/ath/ath9k/debug.c')
-rw-r--r--drivers/net/wireless/ath/ath9k/debug.c2118
1 files changed, 2118 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 0000000..b7a8110
--- /dev/null
+++ b/drivers/net/wireless/ath/ath9k/debug.c
@@ -0,0 +1,2118 @@
+/*
+ * Copyright (c) 2008-2011 Atheros Communications Inc.
+ *
+ * Permission to use, copy, modify, and/or distribute this software for any
+ * purpose with or without fee is hereby granted, provided that the above
+ * copyright notice and this permission notice appear in all copies.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
+ * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
+ * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
+ * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
+ * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
+ * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
+ * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
+ */
+
+#include <linux/slab.h>
+#include <linux/vmalloc.h>
+#include <linux/export.h>
+#include <linux/relay.h>
+#include <asm/unaligned.h>
+
+#include "ath9k.h"
+
+#define REG_WRITE_D(_ah, _reg, _val) \
+ ath9k_hw_common(_ah)->ops->write((_ah), (_val), (_reg))
+#define REG_READ_D(_ah, _reg) \
+ ath9k_hw_common(_ah)->ops->read((_ah), (_reg))
+
+
+static ssize_t ath9k_debugfs_read_buf(struct file *file, char __user *user_buf,
+ size_t count, loff_t *ppos)
+{
+ u8 *buf = file->private_data;
+ return simple_read_from_buffer(user_buf, count, ppos, buf, strlen(buf));
+}
+
+static int ath9k_debugfs_release_buf(struct inode *inode, struct file *file)
+{
+ vfree(file->private_data);
+ return 0;
+}
+
+#ifdef CPTCFG_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 (strict_strtoul(buf, 0, &mask))
+ return -EINVAL;
+
+ common->debug_mask = mask;
+ return count;
+}
+
+static const struct file_operations fops_debug = {
+ .read = read_file_debug,
+ .write = write_file_debug,
+ .open = simple_open,
+ .owner = THIS_MODULE,
+ .llseek = default_llseek,
+};
+
+#endif
+
+#define DMA_BUF_LEN 1024
+
+static ssize_t read_file_tx_chainmask(struct file *file, char __user *user_buf,
+ size_t count, loff_t *ppos)
+{
+ struct ath_softc *sc = file->private_data;
+ struct ath_hw *ah = sc->sc_ah;
+ char buf[32];
+ unsigned int len;
+
+ len = sprintf(buf, "0x%08x\n", ah->txchainmask);
+ return simple_read_from_buffer(user_buf, count, ppos, buf, len);
+}
+
+static ssize_t write_file_tx_chainmask(struct file *file, const char __user *user_buf,
+ size_t count, loff_t *ppos)
+{
+ struct ath_softc *sc = file->private_data;
+ struct ath_hw *ah = sc->sc_ah;
+ unsigned long mask;
+ char buf[32];
+ ssize_t len;
+
+ len = min(count, sizeof(buf) - 1);
+ if (copy_from_user(buf, user_buf, len))
+ return -EFAULT;
+
+ buf[len] = '\0';
+ if (strict_strtoul(buf, 0, &mask))
+ return -EINVAL;
+
+ ah->txchainmask = mask;
+ ah->caps.tx_chainmask = mask;
+ return count;
+}
+
+static const struct file_operations fops_tx_chainmask = {
+ .read = read_file_tx_chainmask,
+ .write = write_file_tx_chainmask,
+ .open = simple_open,
+ .owner = THIS_MODULE,
+ .llseek = default_llseek,
+};
+
+
+static ssize_t read_file_rx_chainmask(struct file *file, char __user *user_buf,
+ size_t count, loff_t *ppos)
+{
+ struct ath_softc *sc = file->private_data;
+ struct ath_hw *ah = sc->sc_ah;
+ char buf[32];
+ unsigned int len;
+
+ len = sprintf(buf, "0x%08x\n", ah->rxchainmask);
+ return simple_read_from_buffer(user_buf, count, ppos, buf, len);
+}
+
+static ssize_t write_file_rx_chainmask(struct file *file, const char __user *user_buf,
+ size_t count, loff_t *ppos)
+{
+ struct ath_softc *sc = file->private_data;
+ struct ath_hw *ah = sc->sc_ah;
+ unsigned long mask;
+ char buf[32];
+ ssize_t len;
+
+ len = min(count, sizeof(buf) - 1);
+ if (copy_from_user(buf, user_buf, len))
+ return -EFAULT;
+
+ buf[len] = '\0';
+ if (strict_strtoul(buf, 0, &mask))
+ return -EINVAL;
+
+ ah->rxchainmask = mask;
+ ah->caps.rx_chainmask = mask;
+ return count;
+}
+
+static const struct file_operations fops_rx_chainmask = {
+ .read = read_file_rx_chainmask,
+ .write = write_file_rx_chainmask,
+ .open = simple_open,
+ .owner = THIS_MODULE,
+ .llseek = default_llseek,
+};
+
+static ssize_t read_file_disable_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);
+ char buf[32];
+ unsigned int len;
+
+ len = sprintf(buf, "%d\n", common->disable_ani);
+ return simple_read_from_buffer(user_buf, count, ppos, buf, len);
+}
+
+static ssize_t write_file_disable_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 disable_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 (strict_strtoul(buf, 0, &disable_ani))
+ return -EINVAL;
+
+ common->disable_ani = !!disable_ani;
+
+ if (disable_ani) {
+ clear_bit(SC_OP_ANI_RUN, &sc->sc_flags);
+ ath_stop_ani(sc);
+ } else {
+ ath_check_ani(sc);
+ }
+
+ return count;
+}
+
+static const struct file_operations fops_disable_ani = {
+ .read = read_file_disable_ani,
+ .write = write_file_disable_ani,
+ .open = simple_open,
+ .owner = THIS_MODULE,
+ .llseek = default_llseek,
+};
+
+static ssize_t read_file_ant_diversity(struct file *file, char __user *user_buf,
+ size_t count, loff_t *ppos)
+{
+ struct ath_softc *sc = file->private_data;
+ struct ath_common *common = ath9k_hw_common(sc->sc_ah);
+ char buf[32];
+ unsigned int len;
+
+ len = sprintf(buf, "%d\n", common->antenna_diversity);
+ return simple_read_from_buffer(user_buf, count, ppos, buf, len);
+}
+
+static ssize_t write_file_ant_diversity(struct file *file,
+ const char __user *user_buf,
+ size_t count, loff_t *ppos)
+{
+ struct ath_softc *sc = file->private_data;
+ struct ath_common *common = ath9k_hw_common(sc->sc_ah);
+ unsigned long antenna_diversity;
+ char buf[32];
+ ssize_t len;
+
+ len = min(count, sizeof(buf) - 1);
+ if (copy_from_user(buf, user_buf, len))
+ return -EFAULT;
+
+ if (!AR_SREV_9565(sc->sc_ah))
+ goto exit;
+
+ buf[len] = '\0';
+ if (strict_strtoul(buf, 0, &antenna_diversity))
+ return -EINVAL;
+
+ common->antenna_diversity = !!antenna_diversity;
+ ath9k_ps_wakeup(sc);
+ ath_ant_comb_update(sc);
+ ath_dbg(common, CONFIG, "Antenna diversity: %d\n",
+ common->antenna_diversity);
+ ath9k_ps_restore(sc);
+exit:
+ return count;
+}
+
+static const struct file_operations fops_ant_diversity = {
+ .read = read_file_ant_diversity,
+ .write = write_file_ant_diversity,
+ .open = simple_open,
+ .owner = THIS_MODULE,
+ .llseek = default_llseek,
+};
+
+static ssize_t read_file_dma(struct file *file, char __user *user_buf,
+ size_t count, loff_t *ppos)
+{
+ struct ath_softc *sc = file->private_data;
+ struct ath_hw *ah = sc->sc_ah;
+ char *buf;
+ int retval;
+ unsigned int len = 0;
+ u32 val[ATH9K_NUM_DMA_DEBUG_REGS];
+ int i, qcuOffset = 0, dcuOffset = 0;
+ u32 *qcuBase = &val[0], *dcuBase = &val[4];
+
+ buf = kmalloc(DMA_BUF_LEN, GFP_KERNEL);
+ if (!buf)
+ return -ENOMEM;
+
+ ath9k_ps_wakeup(sc);
+
+ REG_WRITE_D(ah, AR_MACMISC,
+ ((AR_MACMISC_DMA_OBS_LINE_8 << AR_MACMISC_DMA_OBS_S) |
+ (AR_MACMISC_MISC_OBS_BUS_1 <<
+ AR_MACMISC_MISC_OBS_BUS_MSB_S)));
+
+ len += snprintf(buf + len, DMA_BUF_LEN - len,
+ "Raw DMA Debug values:\n");
+
+ for (i = 0; i < ATH9K_NUM_DMA_DEBUG_REGS; i++) {
+ if (i % 4 == 0)
+ len += snprintf(buf + len, DMA_BUF_LEN - len, "\n");
+
+ val[i] = REG_READ_D(ah, AR_DMADBG_0 + (i * sizeof(u32)));
+ len += snprintf(buf + len, DMA_BUF_LEN - len, "%d: %08x ",
+ i, val[i]);
+ }
+
+ len += snprintf(buf + len, DMA_BUF_LEN - len, "\n\n");
+ len += snprintf(buf + len, DMA_BUF_LEN - len,
+ "Num QCU: chain_st fsp_ok fsp_st DCU: chain_st\n");
+
+ for (i = 0; i < ATH9K_NUM_QUEUES; i++, qcuOffset += 4, dcuOffset += 5) {
+ if (i == 8) {
+ qcuOffset = 0;
+ qcuBase++;
+ }
+
+ if (i == 6) {
+ dcuOffset = 0;
+ dcuBase++;
+ }
+
+ len += snprintf(buf + len, DMA_BUF_LEN - len,
+ "%2d %2x %1x %2x %2x\n",
+ i, (*qcuBase & (0x7 << qcuOffset)) >> qcuOffset,
+ (*qcuBase & (0x8 << qcuOffset)) >> (qcuOffset + 3),
+ val[2] & (0x7 << (i * 3)) >> (i * 3),
+ (*dcuBase & (0x1f << dcuOffset)) >> dcuOffset);
+ }
+
+ len += snprintf(buf + len, DMA_BUF_LEN - len, "\n");
+
+ len += snprintf(buf + len, DMA_BUF_LEN - len,
+ "qcu_stitch state: %2x qcu_fetch state: %2x\n",
+ (val[3] & 0x003c0000) >> 18, (val[3] & 0x03c00000) >> 22);
+ len += snprintf(buf + len, DMA_BUF_LEN - len,
+ "qcu_complete state: %2x dcu_complete state: %2x\n",
+ (val[3] & 0x1c000000) >> 26, (val[6] & 0x3));
+ len += snprintf(buf + len, DMA_BUF_LEN - len,
+ "dcu_arb state: %2x dcu_fp state: %2x\n",
+ (val[5] & 0x06000000) >> 25, (val[5] & 0x38000000) >> 27);
+ len += snprintf(buf + len, DMA_BUF_LEN - len,
+ "chan_idle_dur: %3d chan_idle_dur_valid: %1d\n",
+ (val[6] & 0x000003fc) >> 2, (val[6] & 0x00000400) >> 10);
+ len += snprintf(buf + len, DMA_BUF_LEN - len,
+ "txfifo_valid_0: %1d txfifo_valid_1: %1d\n",
+ (val[6] & 0x00000800) >> 11, (val[6] & 0x00001000) >> 12);
+ len += snprintf(buf + len, DMA_BUF_LEN - len,
+ "txfifo_dcu_num_0: %2d txfifo_dcu_num_1: %2d\n",
+ (val[6] & 0x0001e000) >> 13, (val[6] & 0x001e0000) >> 17);
+
+ len += snprintf(buf + len, DMA_BUF_LEN - len, "pcu observe: 0x%x\n",
+ REG_READ_D(ah, AR_OBS_BUS_1));
+ len += snprintf(buf + len, DMA_BUF_LEN - len,
+ "AR_CR: 0x%x\n", REG_READ_D(ah, AR_CR));
+
+ ath9k_ps_restore(sc);
+
+ if (len > DMA_BUF_LEN)
+ len = DMA_BUF_LEN;
+
+ retval = simple_read_from_buffer(user_buf, count, ppos, buf, len);
+ kfree(buf);
+ return retval;
+}
+
+static const struct file_operations fops_dma = {
+ .read = read_file_dma,
+ .open = simple_open,
+ .owner = THIS_MODULE,
+ .llseek = default_llseek,
+};
+
+
+void ath_debug_stat_interrupt(struct ath_softc *sc, enum ath9k_int status)
+{
+ if (status)
+ sc->debug.stats.istats.total++;
+ if (sc->sc_ah->caps.hw_caps & ATH9K_HW_CAP_EDMA) {
+ if (status & ATH9K_INT_RXLP)
+ sc->debug.stats.istats.rxlp++;
+ if (status & ATH9K_INT_RXHP)
+ sc->debug.stats.istats.rxhp++;
+ if (status & ATH9K_INT_BB_WATCHDOG)
+ sc->debug.stats.istats.bb_watchdog++;
+ } else {
+ if (status & ATH9K_INT_RX)
+ sc->debug.stats.istats.rxok++;
+ }
+ if (status & ATH9K_INT_RXEOL)
+ sc->debug.stats.istats.rxeol++;
+ if (status & ATH9K_INT_RXORN)
+ sc->debug.stats.istats.rxorn++;
+ if (status & ATH9K_INT_TX)
+ sc->debug.stats.istats.txok++;
+ if (status & ATH9K_INT_TXURN)
+ sc->debug.stats.istats.txurn++;
+ if (status & ATH9K_INT_RXPHY)
+ sc->debug.stats.istats.rxphyerr++;
+ if (status & ATH9K_INT_RXKCM)
+ sc->debug.stats.istats.rx_keycache_miss++;
+ if (status & ATH9K_INT_SWBA)
+ sc->debug.stats.istats.swba++;
+ if (status & ATH9K_INT_BMISS)
+ sc->debug.stats.istats.bmiss++;
+ if (status & ATH9K_INT_BNR)
+ sc->debug.stats.istats.bnr++;
+ if (status & ATH9K_INT_CST)
+ sc->debug.stats.istats.cst++;
+ if (status & ATH9K_INT_GTT)
+ sc->debug.stats.istats.gtt++;
+ if (status & ATH9K_INT_TIM)
+ sc->debug.stats.istats.tim++;
+ if (status & ATH9K_INT_CABEND)
+ sc->debug.stats.istats.cabend++;
+ if (status & ATH9K_INT_DTIMSYNC)
+ sc->debug.stats.istats.dtimsync++;
+ if (status & ATH9K_INT_DTIM)
+ sc->debug.stats.istats.dtim++;
+ if (status & ATH9K_INT_TSFOOR)
+ sc->debug.stats.istats.tsfoor++;
+ if (status & ATH9K_INT_MCI)
+ sc->debug.stats.istats.mci++;
+ if (status & ATH9K_INT_GENTIMER)
+ sc->debug.stats.istats.gen_timer++;
+}
+
+static ssize_t read_file_interrupt(struct file *file, char __user *user_buf,
+ size_t count, loff_t *ppos)
+{
+ struct ath_softc *sc = file->private_data;
+ unsigned int len = 0;
+ int rv;
+ int mxlen = 4000;
+ char *buf = kmalloc(mxlen, GFP_KERNEL);
+ if (!buf)
+ return -ENOMEM;
+
+#define PR_IS(a, s) \
+ do { \
+ len += snprintf(buf + len, mxlen - len, \
+ "%21s: %10u\n", a, \
+ sc->debug.stats.istats.s); \
+ } while (0)
+
+ if (sc->sc_ah->caps.hw_caps & ATH9K_HW_CAP_EDMA) {
+ PR_IS("RXLP", rxlp);
+ PR_IS("RXHP", rxhp);
+ PR_IS("WATHDOG", bb_watchdog);
+ } else {
+ PR_IS("RX", rxok);
+ }
+ PR_IS("RXEOL", rxeol);
+ PR_IS("RXORN", rxorn);
+ PR_IS("TX", txok);
+ PR_IS("TXURN", txurn);
+ PR_IS("MIB", mib);
+ PR_IS("RXPHY", rxphyerr);
+ PR_IS("RXKCM", rx_keycache_miss);
+ PR_IS("SWBA", swba);
+ PR_IS("BMISS", bmiss);
+ PR_IS("BNR", bnr);
+ PR_IS("CST", cst);
+ PR_IS("GTT", gtt);
+ PR_IS("TIM", tim);
+ PR_IS("CABEND", cabend);
+ PR_IS("DTIMSYNC", dtimsync);
+ PR_IS("DTIM", dtim);
+ PR_IS("TSFOOR", tsfoor);
+ PR_IS("MCI", mci);
+ PR_IS("GENTIMER", gen_timer);
+ PR_IS("TOTAL", total);
+
+ len += snprintf(buf + len, mxlen - len,
+ "SYNC_CAUSE stats:\n");
+
+ PR_IS("Sync-All", sync_cause_all);
+ PR_IS("RTC-IRQ", sync_rtc_irq);
+ PR_IS("MAC-IRQ", sync_mac_irq);
+ PR_IS("EEPROM-Illegal-Access", eeprom_illegal_access);
+ PR_IS("APB-Timeout", apb_timeout);
+ PR_IS("PCI-Mode-Conflict", pci_mode_conflict);
+ PR_IS("HOST1-Fatal", host1_fatal);
+ PR_IS("HOST1-Perr", host1_perr);
+ PR_IS("TRCV-FIFO-Perr", trcv_fifo_perr);
+ PR_IS("RADM-CPL-EP", radm_cpl_ep);
+ PR_IS("RADM-CPL-DLLP-Abort", radm_cpl_dllp_abort);
+ PR_IS("RADM-CPL-TLP-Abort", radm_cpl_tlp_abort);
+ PR_IS("RADM-CPL-ECRC-Err", radm_cpl_ecrc_err);
+ PR_IS("RADM-CPL-Timeout", radm_cpl_timeout);
+ PR_IS("Local-Bus-Timeout", local_timeout);
+ PR_IS("PM-Access", pm_access);
+ PR_IS("MAC-Awake", mac_awake);
+ PR_IS("MAC-Asleep", mac_asleep);
+ PR_IS("MAC-Sleep-Access", mac_sleep_access);
+
+ if (len > mxlen)
+ len = mxlen;
+
+ rv = simple_read_from_buffer(user_buf, count, ppos, buf, len);
+ kfree(buf);
+ return rv;
+}
+
+static const struct file_operations fops_interrupt = {
+ .read = read_file_interrupt,
+ .open = simple_open,
+ .owner = THIS_MODULE,
+ .llseek = default_llseek,
+};
+
+static ssize_t read_file_xmit(struct file *file, char __user *user_buf,
+ size_t count, loff_t *ppos)
+{
+ struct ath_softc *sc = file->private_data;
+ char *buf;
+ unsigned int len = 0, size = 2048;
+ ssize_t retval = 0;
+
+ buf = kzalloc(size, GFP_KERNEL);
+ if (buf == NULL)
+ return -ENOMEM;
+
+ len += sprintf(buf, "%30s %10s%10s%10s\n\n",
+ "BE", "BK", "VI", "VO");
+
+ PR("MPDUs Queued: ", queued);
+ PR("MPDUs Completed: ", completed);
+ PR("MPDUs XRetried: ", xretries);
+ PR("Aggregates: ", a_aggr);
+ PR("AMPDUs Queued HW:", a_queued_hw);
+ PR("AMPDUs Queued SW:", a_queued_sw);
+ PR("AMPDUs Completed:", a_completed);
+ PR("AMPDUs Retried: ", a_retries);
+ PR("AMPDUs XRetried: ", a_xretries);
+ PR("TXERR Filtered: ", txerr_filtered);
+ PR("FIFO Underrun: ", fifo_underrun);
+ PR("TXOP Exceeded: ", xtxop);
+ PR("TXTIMER Expiry: ", timer_exp);
+ PR("DESC CFG Error: ", desc_cfg_err);
+ PR("DATA Underrun: ", data_underrun);
+ PR("DELIM Underrun: ", delim_underrun);
+ PR("TX-Pkts-All: ", tx_pkts_all);
+ PR("TX-Bytes-All: ", tx_bytes_all);
+ PR("HW-put-tx-buf: ", puttxbuf);
+ PR("HW-tx-start: ", txstart);
+ PR("HW-tx-proc-desc: ", txprocdesc);
+ PR("TX-Failed: ", txfailed);
+
+ if (len > size)
+ len = size;
+
+ retval = simple_read_from_buffer(user_buf, count, ppos, buf, len);
+ kfree(buf);
+
+ return retval;
+}
+
+static ssize_t read_file_queues(struct file *file, char __user *user_buf,
+ size_t count, loff_t *ppos)
+{
+ struct ath_softc *sc = file->private_data;
+ struct ath_txq *txq;
+ char *buf;
+ unsigned int len = 0, size = 1024;
+ ssize_t retval = 0;
+ int i;
+ char *qname[4] = {"VO", "VI", "BE", "BK"};
+
+ buf = kzalloc(size, GFP_KERNEL);
+ if (buf == NULL)
+ return -ENOMEM;
+
+ for (i = 0; i < IEEE80211_NUM_ACS; i++) {
+ txq = sc->tx.txq_map[i];
+ len += snprintf(buf + len, size - len, "(%s): ", qname[i]);
+
+ ath_txq_lock(sc, txq);
+
+ len += snprintf(buf + len, size - len, "%s: %d ",
+ "qnum", txq->axq_qnum);
+ len += snprintf(buf + len, size - len, "%s: %2d ",
+ "qdepth", txq->axq_depth);
+ len += snprintf(buf + len, size - len, "%s: %2d ",
+ "ampdu-depth", txq->axq_ampdu_depth);
+ len += snprintf(buf + len, size - len, "%s: %3d ",
+ "pending", txq->pending_frames);
+ len += snprintf(buf + len, size - len, "%s: %d\n",
+ "stopped", txq->stopped);
+
+ ath_txq_unlock(sc, txq);
+ }
+
+ if (len > size)
+ len = size;
+
+ retval = simple_read_from_buffer(user_buf, count, ppos, buf, len);
+ kfree(buf);
+
+ return retval;
+}
+
+static ssize_t read_file_misc(struct file *file, char __user *user_buf,
+ size_t count, loff_t *ppos)
+{
+ struct ath_softc *sc = file->private_data;
+ struct ath_common *common = ath9k_hw_common(sc->sc_ah);
+ struct ieee80211_hw *hw = sc->hw;
+ struct ath9k_vif_iter_data iter_data;
+ char buf[512];
+ unsigned int len = 0;
+ ssize_t retval = 0;
+ unsigned int reg;
+ u32 rxfilter;
+
+ len += snprintf(buf + len, sizeof(buf) - len,
+ "BSSID: %pM\n", common->curbssid);
+ len += snprintf(buf + len, sizeof(buf) - len,
+ "BSSID-MASK: %pM\n", common->bssidmask);
+ len += snprintf(buf + len, sizeof(buf) - len,
+ "OPMODE: %s\n", ath_opmode_to_string(sc->sc_ah->opmode));
+
+ ath9k_ps_wakeup(sc);
+ rxfilter = ath9k_hw_getrxfilter(sc->sc_ah);
+ ath9k_ps_restore(sc);
+
+ len += snprintf(buf + len, sizeof(buf) - len,
+ "RXFILTER: 0x%x", rxfilter);
+
+ if (rxfilter & ATH9K_RX_FILTER_UCAST)
+ len += snprintf(buf + len, sizeof(buf) - len, " UCAST");
+ if (rxfilter & ATH9K_RX_FILTER_MCAST)
+ len += snprintf(buf + len, sizeof(buf) - len, " MCAST");
+ if (rxfilter & ATH9K_RX_FILTER_BCAST)
+ len += snprintf(buf + len, sizeof(buf) - len, " BCAST");
+ if (rxfilter & ATH9K_RX_FILTER_CONTROL)
+ len += snprintf(buf + len, sizeof(buf) - len, " CONTROL");
+ if (rxfilter & ATH9K_RX_FILTER_BEACON)
+ len += snprintf(buf + len, sizeof(buf) - len, " BEACON");
+ if (rxfilter & ATH9K_RX_FILTER_PROM)
+ len += snprintf(buf + len, sizeof(buf) - len, " PROM");
+ if (rxfilter & ATH9K_RX_FILTER_PROBEREQ)
+ len += snprintf(buf + len, sizeof(buf) - len, " PROBEREQ");
+ if (rxfilter & ATH9K_RX_FILTER_PHYERR)
+ len += snprintf(buf + len, sizeof(buf) - len, " PHYERR");
+ if (rxfilter & ATH9K_RX_FILTER_MYBEACON)
+ len += snprintf(buf + len, sizeof(buf) - len, " MYBEACON");
+ if (rxfilter & ATH9K_RX_FILTER_COMP_BAR)
+ len += snprintf(buf + len, sizeof(buf) - len, " COMP_BAR");
+ if (rxfilter & ATH9K_RX_FILTER_PSPOLL)
+ len += snprintf(buf + len, sizeof(buf) - len, " PSPOLL");
+ if (rxfilter & ATH9K_RX_FILTER_PHYRADAR)
+ len += snprintf(buf + len, sizeof(buf) - len, " PHYRADAR");
+ if (rxfilter & ATH9K_RX_FILTER_MCAST_BCAST_ALL)
+ len += snprintf(buf + len, sizeof(buf) - len, " MCAST_BCAST_ALL");
+ if (rxfilter & ATH9K_RX_FILTER_CONTROL_WRAPPER)
+ len += snprintf(buf + len, sizeof(buf) - len, " CONTROL_WRAPPER");
+
+ len += snprintf(buf + len, sizeof(buf) - len, "\n");
+
+ reg = sc->sc_ah->imask;
+
+ len += snprintf(buf + len, sizeof(buf) - len, "INTERRUPT-MASK: 0x%x", reg);
+
+ if (reg & ATH9K_INT_SWBA)
+ len += snprintf(buf + len, sizeof(buf) - len, " SWBA");
+ if (reg & ATH9K_INT_BMISS)
+ len += snprintf(buf + len, sizeof(buf) - len, " BMISS");
+ if (reg & ATH9K_INT_CST)
+ len += snprintf(buf + len, sizeof(buf) - len, " CST");
+ if (reg & ATH9K_INT_RX)
+ len += snprintf(buf + len, sizeof(buf) - len, " RX");
+ if (reg & ATH9K_INT_RXHP)
+ len += snprintf(buf + len, sizeof(buf) - len, " RXHP");
+ if (reg & ATH9K_INT_RXLP)
+ len += snprintf(buf + len, sizeof(buf) - len, " RXLP");
+ if (reg & ATH9K_INT_BB_WATCHDOG)
+ len += snprintf(buf + len, sizeof(buf) - len, " BB_WATCHDOG");
+
+ len += snprintf(buf + len, sizeof(buf) - len, "\n");
+
+ ath9k_calculate_iter_data(hw, NULL, &iter_data);
+
+ len += snprintf(buf + len, sizeof(buf) - len,
+ "VIF-COUNTS: AP: %i STA: %i MESH: %i WDS: %i"
+ " ADHOC: %i TOTAL: %hi BEACON-VIF: %hi\n",
+ iter_data.naps, iter_data.nstations, iter_data.nmeshes,
+ iter_data.nwds, iter_data.nadhocs,
+ sc->nvifs, sc->nbcnvifs);
+
+ if (len > sizeof(buf))
+ len = sizeof(buf);
+
+ retval = simple_read_from_buffer(user_buf, count, ppos, buf, len);
+ return retval;
+}
+
+static ssize_t read_file_reset(struct file *file, char __user *user_buf,
+ size_t count, loff_t *ppos)
+{
+ struct ath_softc *sc = file->private_data;
+ char buf[512];
+ unsigned int len = 0;
+
+ len += snprintf(buf + len, sizeof(buf) - len,
+ "%17s: %2d\n", "Baseband Hang",
+ sc->debug.stats.reset[RESET_TYPE_BB_HANG]);
+ len += snprintf(buf + len, sizeof(buf) - len,
+ "%17s: %2d\n", "Baseband Watchdog",
+ sc->debug.stats.reset[RESET_TYPE_BB_WATCHDOG]);
+ len += snprintf(buf + len, sizeof(buf) - len,
+ "%17s: %2d\n", "Fatal HW Error",
+ sc->debug.stats.reset[RESET_TYPE_FATAL_INT]);
+ len += snprintf(buf + len, sizeof(buf) - len,
+ "%17s: %2d\n", "TX HW error",
+ sc->debug.stats.reset[RESET_TYPE_TX_ERROR]);
+ len += snprintf(buf + len, sizeof(buf) - len,
+ "%17s: %2d\n", "TX Path Hang",
+ sc->debug.stats.reset[RESET_TYPE_TX_HANG]);
+ len += snprintf(buf + len, sizeof(buf) - len,
+ "%17s: %2d\n", "PLL RX Hang",
+ sc->debug.stats.reset[RESET_TYPE_PLL_HANG]);
+ len += snprintf(buf + len, sizeof(buf) - len,
+ "%17s: %2d\n", "MCI Reset",
+ sc->debug.stats.reset[RESET_TYPE_MCI]);
+
+ if (len > sizeof(buf))
+ len = sizeof(buf);
+
+ return simple_read_from_buffer(user_buf, count, ppos, buf, len);
+}
+
+void ath_debug_stat_tx(struct ath_softc *sc, struct ath_buf *bf,
+ struct ath_tx_status *ts, struct ath_txq *txq,
+ unsigned int flags)
+{
+#define TX_SAMP_DBG(c) (sc->debug.bb_mac_samp[sc->debug.sampidx].ts\
+ [sc->debug.tsidx].c)
+ 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);
+
+#ifdef CPTCFG_ATH9K_MAC_DEBUG
+ spin_lock(&sc->debug.samp_lock);
+ TX_SAMP_DBG(jiffies) = jiffies;
+ TX_SAMP_DBG(rssi_ctl0) = ts->ts_rssi_ctl0;
+ TX_SAMP_DBG(rssi_ctl1) = ts->ts_rssi_ctl1;
+ TX_SAMP_DBG(rssi_ctl2) = ts->ts_rssi_ctl2;
+ TX_SAMP_DBG(rssi_ext0) = ts->ts_rssi_ext0;
+ TX_SAMP_DBG(rssi_ext1) = ts->ts_rssi_ext1;
+ TX_SAMP_DBG(rssi_ext2) = ts->ts_rssi_ext2;
+ TX_SAMP_DBG(rateindex) = ts->ts_rateindex;
+ TX_SAMP_DBG(isok) = !!(ts->ts_status & ATH9K_TXERR_MASK);
+ TX_SAMP_DBG(rts_fail_cnt) = ts->ts_shortretry;
+ TX_SAMP_DBG(data_fail_cnt) = ts->ts_longretry;
+ TX_SAMP_DBG(rssi) = ts->ts_rssi;
+ TX_SAMP_DBG(tid) = ts->tid;
+ TX_SAMP_DBG(qid) = ts->qid;
+
+ if (ts->ts_flags & ATH9K_TX_BA) {
+ TX_SAMP_DBG(ba_low) = ts->ba_low;
+ TX_SAMP_DBG(ba_high) = ts->ba_high;
+ } else {
+ TX_SAMP_DBG(ba_low) = 0;
+ TX_SAMP_DBG(ba_high) = 0;
+ }
+
+ sc->debug.tsidx = (sc->debug.tsidx + 1) % ATH_DBG_MAX_SAMPLES;
+ spin_unlock(&sc->debug.samp_lock);
+#endif
+
+#undef TX_SAMP_DBG
+}
+
+static const struct file_operations fops_xmit = {
+ .read = read_file_xmit,
+ .open = simple_open,
+ .owner = THIS_MODULE,
+ .llseek = default_llseek,
+};
+
+static const struct file_operations fops_queues = {
+ .read = read_file_queues,
+ .open = simple_open,
+ .owner = THIS_MODULE,
+ .llseek = default_llseek,
+};
+
+static const struct file_operations fops_misc = {
+ .read = read_file_misc,
+ .open = simple_open,
+ .owner = THIS_MODULE,
+ .llseek = default_llseek,
+};
+
+static const struct file_operations fops_reset = {
+ .read = read_file_reset,
+ .open = simple_open,
+ .owner = THIS_MODULE,
+ .llseek = default_llseek,
+};
+
+static ssize_t read_file_recv(struct file *file, char __user *user_buf,
+ size_t count, loff_t *ppos)
+{
+#define PHY_ERR(s, p) \
+ len += snprintf(buf + len, size - len, "%22s : %10u\n", s, \
+ sc->debug.stats.rxstats.phy_err_stats[p]);
+
+#define RXS_ERR(s, e) \
+ do { \
+ len += snprintf(buf + len, size - len, \
+ "%22s : %10u\n", s, \
+ sc->debug.stats.rxstats.e); \
+ } while (0)
+
+ struct ath_softc *sc = file->private_data;
+ char *buf;
+ unsigned int len = 0, size = 1600;
+ ssize_t retval = 0;
+
+ buf = kzalloc(size, GFP_KERNEL);
+ if (buf == NULL)
+ return -ENOMEM;
+
+ RXS_ERR("CRC ERR", crc_err);
+ RXS_ERR("DECRYPT CRC ERR", decrypt_crc_err);
+ RXS_ERR("PHY ERR", phy_err);
+ RXS_ERR("MIC ERR", mic_err);
+ RXS_ERR("PRE-DELIM CRC ERR", pre_delim_crc_err);
+ RXS_ERR("POST-DELIM CRC ERR", post_delim_crc_err);
+ RXS_ERR("DECRYPT BUSY ERR", decrypt_busy_err);
+ RXS_ERR("RX-LENGTH-ERR", rx_len_err);
+ RXS_ERR("RX-OOM-ERR", rx_oom_err);
+ RXS_ERR("RX-RATE-ERR", rx_rate_err);
+ RXS_ERR("RX-TOO-MANY-FRAGS", rx_too_many_frags_err);
+
+ PHY_ERR("UNDERRUN ERR", ATH9K_PHYERR_UNDERRUN);
+ PHY_ERR("TIMING ERR", ATH9K_PHYERR_TIMING);
+ PHY_ERR("PARITY ERR", ATH9K_PHYERR_PARITY);
+ PHY_ERR("RATE ERR", ATH9K_PHYERR_RATE);
+ PHY_ERR("LENGTH ERR", ATH9K_PHYERR_LENGTH);
+ PHY_ERR("RADAR ERR", ATH9K_PHYERR_RADAR);
+ PHY_ERR("SERVICE ERR", ATH9K_PHYERR_SERVICE);
+ PHY_ERR("TOR ERR", ATH9K_PHYERR_TOR);
+ PHY_ERR("OFDM-TIMING ERR", ATH9K_PHYERR_OFDM_TIMING);
+ PHY_ERR("OFDM-SIGNAL-PARITY ERR", ATH9K_PHYERR_OFDM_SIGNAL_PARITY);
+ PHY_ERR("OFDM-RATE ERR", ATH9K_PHYERR_OFDM_RATE_ILLEGAL);
+ PHY_ERR("OFDM-LENGTH ERR", ATH9K_PHYERR_OFDM_LENGTH_ILLEGAL);
+ PHY_ERR("OFDM-POWER-DROP ERR", ATH9K_PHYERR_OFDM_POWER_DROP);
+ PHY_ERR("OFDM-SERVICE ERR", ATH9K_PHYERR_OFDM_SERVICE);
+ PHY_ERR("OFDM-RESTART ERR", ATH9K_PHYERR_OFDM_RESTART);
+ PHY_ERR("FALSE-RADAR-EXT ERR", ATH9K_PHYERR_FALSE_RADAR_EXT);
+ PHY_ERR("CCK-TIMING ERR", ATH9K_PHYERR_CCK_TIMING);
+ PHY_ERR("CCK-HEADER-CRC ERR", ATH9K_PHYERR_CCK_HEADER_CRC);
+ PHY_ERR("CCK-RATE ERR", ATH9K_PHYERR_CCK_RATE_ILLEGAL);
+ PHY_ERR("CCK-SERVICE ERR", ATH9K_PHYERR_CCK_SERVICE);
+ PHY_ERR("CCK-RESTART ERR", ATH9K_PHYERR_CCK_RESTART);
+ PHY_ERR("CCK-LENGTH ERR", ATH9K_PHYERR_CCK_LENGTH_ILLEGAL);
+ PHY_ERR("CCK-POWER-DROP ERR", ATH9K_PHYERR_CCK_POWER_DROP);
+ PHY_ERR("HT-CRC ERR", ATH9K_PHYERR_HT_CRC_ERROR);
+ PHY_ERR("HT-LENGTH ERR", ATH9K_PHYERR_HT_LENGTH_ILLEGAL);
+ PHY_ERR("HT-RATE ERR", ATH9K_PHYERR_HT_RATE_ILLEGAL);
+
+ RXS_ERR("RX-Pkts-All", rx_pkts_all);
+ RXS_ERR("RX-Bytes-All", rx_bytes_all);
+ RXS_ERR("RX-Beacons", rx_beacons);
+ RXS_ERR("RX-Frags", rx_frags);
+ RXS_ERR("RX-Spectral", rx_spectral);
+
+ if (len > size)
+ len = size;
+
+ retval = simple_read_from_buffer(user_buf, count, ppos, buf, len);
+ kfree(buf);
+
+ return retval;
+
+#undef RXS_ERR
+#undef PHY_ERR
+}
+
+void ath_debug_stat_rx(struct ath_softc *sc, struct ath_rx_status *rs)
+{
+#define RX_PHY_ERR_INC(c) sc->debug.stats.rxstats.phy_err_stats[c]++
+#define RX_SAMP_DBG(c) (sc->debug.bb_mac_samp[sc->debug.sampidx].rs\
+ [sc->debug.rsidx].c)
+
+ RX_STAT_INC(rx_pkts_all);
+ sc->debug.stats.rxstats.rx_bytes_all += rs->rs_datalen;
+
+ if (rs->rs_status & ATH9K_RXERR_CRC)
+ RX_STAT_INC(crc_err);
+ if (rs->rs_status & ATH9K_RXERR_DECRYPT)
+ RX_STAT_INC(decrypt_crc_err);
+ if (rs->rs_status & ATH9K_RXERR_MIC)
+ RX_STAT_INC(mic_err);
+ if (rs->rs_status & ATH9K_RX_DELIM_CRC_PRE)
+ RX_STAT_INC(pre_delim_crc_err);
+ if (rs->rs_status & ATH9K_RX_DELIM_CRC_POST)
+ RX_STAT_INC(post_delim_crc_err);
+ if (rs->rs_status & ATH9K_RX_DECRYPT_BUSY)
+ RX_STAT_INC(decrypt_busy_err);
+
+ if (rs->rs_status & ATH9K_RXERR_PHY) {
+ RX_STAT_INC(phy_err);
+ if (rs->rs_phyerr < ATH9K_PHYERR_MAX)
+ RX_PHY_ERR_INC(rs->rs_phyerr);
+ }
+
+#ifdef CPTCFG_ATH9K_MAC_DEBUG
+ spin_lock(&sc->debug.samp_lock);
+ RX_SAMP_DBG(jiffies) = jiffies;
+ RX_SAMP_DBG(rssi_ctl0) = rs->rs_rssi_ctl0;
+ RX_SAMP_DBG(rssi_ctl1) = rs->rs_rssi_ctl1;
+ RX_SAMP_DBG(rssi_ctl2) = rs->rs_rssi_ctl2;
+ RX_SAMP_DBG(rssi_ext0) = rs->rs_rssi_ext0;
+ RX_SAMP_DBG(rssi_ext1) = rs->rs_rssi_ext1;
+ RX_SAMP_DBG(rssi_ext2) = rs->rs_rssi_ext2;
+ RX_SAMP_DBG(antenna) = rs->rs_antenna;
+ RX_SAMP_DBG(rssi) = rs->rs_rssi;
+ RX_SAMP_DBG(rate) = rs->rs_rate;
+ RX_SAMP_DBG(is_mybeacon) = rs->is_mybeacon;
+
+ sc->debug.rsidx = (sc->debug.rsidx + 1) % ATH_DBG_MAX_SAMPLES;
+ spin_unlock(&sc->debug.samp_lock);
+
+#endif
+
+#undef RX_PHY_ERR_INC
+#undef RX_SAMP_DBG
+}
+
+static const struct file_operations fops_recv = {
+ .read = read_file_recv,
+ .open = simple_open,
+ .owner = THIS_MODULE,
+ .llseek = default_llseek,
+};
+
+static ssize_t read_file_spec_scan_ctl(struct file *file, char __user *user_buf,
+ size_t count, loff_t *ppos)
+{
+ struct ath_softc *sc = file->private_data;
+ char *mode = "";
+ unsigned int len;
+
+ switch (sc->spectral_mode) {
+ case SPECTRAL_DISABLED:
+ mode = "disable";
+ break;
+ case SPECTRAL_BACKGROUND:
+ mode = "background";
+ break;
+ case SPECTRAL_CHANSCAN:
+ mode = "chanscan";
+ break;
+ case SPECTRAL_MANUAL:
+ mode = "manual";
+ break;
+ }
+ len = strlen(mode);
+ return simple_read_from_buffer(user_buf, count, ppos, mode, len);
+}
+
+static ssize_t write_file_spec_scan_ctl(struct file *file,
+ const char __user *user_buf,
+ size_t count, loff_t *ppos)
+{
+ struct ath_softc *sc = file->private_data;
+ struct ath_common *common = ath9k_hw_common(sc->sc_ah);
+ char buf[32];
+ ssize_t len;
+
+ len = min(count, sizeof(buf) - 1);
+ if (copy_from_user(buf, user_buf, len))
+ return -EFAULT;
+
+ buf[len] = '\0';
+
+ if (strncmp("trigger", buf, 7) == 0) {
+ ath9k_spectral_scan_trigger(sc->hw);
+ } else if (strncmp("background", buf, 9) == 0) {
+ ath9k_spectral_scan_config(sc->hw, SPECTRAL_BACKGROUND);
+ ath_dbg(common, CONFIG, "spectral scan: background mode enabled\n");
+ } else if (strncmp("chanscan", buf, 8) == 0) {
+ ath9k_spectral_scan_config(sc->hw, SPECTRAL_CHANSCAN);
+ ath_dbg(common, CONFIG, "spectral scan: channel scan mode enabled\n");
+ } else if (strncmp("manual", buf, 6) == 0) {
+ ath9k_spectral_scan_config(sc->hw, SPECTRAL_MANUAL);
+ ath_dbg(common, CONFIG, "spectral scan: manual mode enabled\n");
+ } else if (strncmp("disable", buf, 7) == 0) {
+ ath9k_spectral_scan_config(sc->hw, SPECTRAL_DISABLED);
+ ath_dbg(common, CONFIG, "spectral scan: disabled\n");
+ } else {
+ return -EINVAL;
+ }
+
+ return count;
+}
+
+static const struct file_operations fops_spec_scan_ctl = {
+ .read = read_file_spec_scan_ctl,
+ .write = write_file_spec_scan_ctl,
+ .open = simple_open,
+ .owner = THIS_MODULE,
+ .llseek = default_llseek,
+};
+
+static ssize_t read_file_spectral_short_repeat(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, "%d\n", sc->spec_config.short_repeat);
+ return simple_read_from_buffer(user_buf, count, ppos, buf, len);
+}
+
+static ssize_t write_file_spectral_short_repeat(struct file *file,
+ const char __user *user_buf,
+ size_t count, loff_t *ppos)
+{
+ struct ath_softc *sc = file->private_data;
+ unsigned long val;
+ 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, &val))
+ return -EINVAL;
+
+ if (val < 0 || val > 1)
+ return -EINVAL;
+
+ sc->spec_config.short_repeat = val;
+ return count;
+}
+
+static const struct file_operations fops_spectral_short_repeat = {
+ .read = read_file_spectral_short_repeat,
+ .write = write_file_spectral_short_repeat,
+ .open = simple_open,
+ .owner = THIS_MODULE,
+ .llseek = default_llseek,
+};
+
+static ssize_t read_file_spectral_count(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, "%d\n", sc->spec_config.count);
+ return simple_read_from_buffer(user_buf, count, ppos, buf, len);
+}
+
+static ssize_t write_file_spectral_count(struct file *file,
+ const char __user *user_buf,
+ size_t count, loff_t *ppos)
+{
+ struct ath_softc *sc = file->private_data;
+ unsigned long val;
+ 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, &val))
+ return -EINVAL;
+
+ if (val < 0 || val > 255)
+ return -EINVAL;
+
+ sc->spec_config.count = val;
+ return count;
+}
+
+static const struct file_operations fops_spectral_count = {
+ .read = read_file_spectral_count,
+ .write = write_file_spectral_count,
+ .open = simple_open,
+ .owner = THIS_MODULE,
+ .llseek = default_llseek,
+};
+
+static ssize_t read_file_spectral_period(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, "%d\n", sc->spec_config.period);
+ return simple_read_from_buffer(user_buf, count, ppos, buf, len);
+}
+
+static ssize_t write_file_spectral_period(struct file *file,
+ const char __user *user_buf,
+ size_t count, loff_t *ppos)
+{
+ struct ath_softc *sc = file->private_data;
+ unsigned long val;
+ 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, &val))
+ return -EINVAL;
+
+ if (val < 0 || val > 255)
+ return -EINVAL;
+
+ sc->spec_config.period = val;
+ return count;
+}
+
+static const struct file_operations fops_spectral_period = {
+ .read = read_file_spectral_period,
+ .write = write_file_spectral_period,
+ .open = simple_open,
+ .owner = THIS_MODULE,
+ .llseek = default_llseek,
+};
+
+static ssize_t read_file_spectral_fft_period(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, "%d\n", sc->spec_config.fft_period);
+ return simple_read_from_buffer(user_buf, count, ppos, buf, len);
+}
+
+static ssize_t write_file_spectral_fft_period(struct file *file,
+ const char __user *user_buf,
+ size_t count, loff_t *ppos)
+{
+ struct ath_softc *sc = file->private_data;
+ unsigned long val;
+ 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, &val))
+ return -EINVAL;
+
+ if (val < 0 || val > 15)
+ return -EINVAL;
+
+ sc->spec_config.fft_period = val;
+ return count;
+}
+
+static const struct file_operations fops_spectral_fft_period = {
+ .read = read_file_spectral_fft_period,
+ .write = write_file_spectral_fft_period,
+ .open = simple_open,
+ .owner = THIS_MODULE,
+ .llseek = default_llseek,
+};
+
+static struct dentry *create_buf_file_handler(const char *filename,
+ struct dentry *parent,
+#if (LINUX_VERSION_CODE >= KERNEL_VERSION(3,3,0))
+ umode_t mode,
+#else
+ int mode,
+#endif
+ struct rchan_buf *buf,
+ int *is_global)
+{
+ struct dentry *buf_file;
+
+ buf_file = debugfs_create_file(filename, mode, parent, buf,
+ &relay_file_operations);
+ *is_global = 1;
+ return buf_file;
+}
+
+static int remove_buf_file_handler(struct dentry *dentry)
+{
+ debugfs_remove(dentry);
+
+ return 0;
+}
+
+void ath_debug_send_fft_sample(struct ath_softc *sc,
+ struct fft_sample_tlv *fft_sample_tlv)
+{
+ int length;
+ if (!sc->rfs_chan_spec_scan)
+ return;
+
+ length = __be16_to_cpu(fft_sample_tlv->length) +
+ sizeof(*fft_sample_tlv);
+ relay_write(sc->rfs_chan_spec_scan, fft_sample_tlv, length);
+}
+
+static struct rchan_callbacks rfs_spec_scan_cb = {
+ .create_buf_file = create_buf_file_handler,
+ .remove_buf_file = remove_buf_file_handler,
+};
+
+
+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 (strict_strtoul(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 (strict_strtoul(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 += snprintf(buf + len, size - len,
+ "Channel Noise Floor : %d\n", ah->noise);
+ len += snprintf(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 += snprintf(buf + len, size - len, " %d\t %d\t %d\t\t",
+ i, h[i].privNF, nread);
+ for (j = 0; j < nread; j++)
+ len += snprintf(buf + len, size - len,
+ " %d", h[i].nfCalBuffer[j]);
+ len += snprintf(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,
+};
+
+static ssize_t read_file_base_eeprom(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;
+ u32 len = 0, size = 1500;
+ ssize_t retval = 0;
+ char *buf;
+
+ buf = kzalloc(size, GFP_KERNEL);
+ if (!buf)
+ return -ENOMEM;
+
+ len = ah->eep_ops->dump_eeprom(ah, true, buf, len, size);
+
+ retval = simple_read_from_buffer(user_buf, count, ppos, buf, len);
+ kfree(buf);
+
+ return retval;
+}
+
+static const struct file_operations fops_base_eeprom = {
+ .read = read_file_base_eeprom,
+ .open = simple_open,
+ .owner = THIS_MODULE,
+ .llseek = default_llseek,
+};
+
+static ssize_t read_file_modal_eeprom(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;
+ u32 len = 0, size = 6000;
+ char *buf;
+ size_t retval;
+
+ buf = kzalloc(size, GFP_KERNEL);
+ if (buf == NULL)
+ return -ENOMEM;
+
+ len = ah->eep_ops->dump_eeprom(ah, false, buf, len, size);
+
+ retval = simple_read_from_buffer(user_buf, count, ppos, buf, len);
+ kfree(buf);
+
+ return retval;
+}
+
+static const struct file_operations fops_modal_eeprom = {
+ .read = read_file_modal_eeprom,
+ .open = simple_open,
+ .owner = THIS_MODULE,
+ .llseek = default_llseek,
+};
+
+#ifdef CPTCFG_ATH9K_MAC_DEBUG
+
+void ath9k_debug_samp_bb_mac(struct ath_softc *sc)
+{
+#define ATH_SAMP_DBG(c) (sc->debug.bb_mac_samp[sc->debug.sampidx].c)
+ struct ath_hw *ah = sc->sc_ah;
+ struct ath_common *common = ath9k_hw_common(ah);
+ unsigned long flags;
+ int i;
+
+ ath9k_ps_wakeup(sc);
+
+ spin_lock_bh(&sc->debug.samp_lock);
+
+ spin_lock_irqsave(&common->cc_lock, flags);
+ ath_hw_cycle_counters_update(common);
+
+ ATH_SAMP_DBG(cc.cycles) = common->cc_ani.cycles;
+ ATH_SAMP_DBG(cc.rx_busy) = common->cc_ani.rx_busy;
+ ATH_SAMP_DBG(cc.rx_frame) = common->cc_ani.rx_frame;
+ ATH_SAMP_DBG(cc.tx_frame) = common->cc_ani.tx_frame;
+ spin_unlock_irqrestore(&common->cc_lock, flags);
+
+ ATH_SAMP_DBG(noise) = ah->noise;
+
+ 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)));
+
+ for (i = 0; i < ATH9K_NUM_DMA_DEBUG_REGS; i++)
+ ATH_SAMP_DBG(dma_dbg_reg_vals[i]) = REG_READ_D(ah,
+ AR_DMADBG_0 + (i * sizeof(u32)));
+
+ ATH_SAMP_DBG(pcu_obs) = REG_READ_D(ah, AR_OBS_BUS_1);
+ ATH_SAMP_DBG(pcu_cr) = REG_READ_D(ah, AR_CR);
+
+ memcpy(ATH_SAMP_DBG(nfCalHist), sc->caldata.nfCalHist,
+ sizeof(ATH_SAMP_DBG(nfCalHist)));
+
+ sc->debug.sampidx = (sc->debug.sampidx + 1) % ATH_DBG_MAX_SAMPLES;
+ spin_unlock_bh(&sc->debug.samp_lock);
+ ath9k_ps_restore(sc);
+
+#undef ATH_SAMP_DBG
+}
+
+static int open_file_bb_mac_samps(struct inode *inode, struct file *file)
+{
+#define ATH_SAMP_DBG(c) bb_mac_samp[sampidx].c
+ struct ath_softc *sc = inode->i_private;
+ struct ath_hw *ah = sc->sc_ah;
+ struct ath_common *common = ath9k_hw_common(ah);
+ struct ieee80211_conf *conf = &common->hw->conf;
+ struct ath_dbg_bb_mac_samp *bb_mac_samp;
+ struct ath9k_nfcal_hist *h;
+ int i, j, qcuOffset = 0, dcuOffset = 0;
+ u32 *qcuBase, *dcuBase, size = 30000, len = 0;
+ u32 sampidx = 0;
+ u8 *buf;
+ u8 chainmask = (ah->rxchainmask << 3) | ah->rxchainmask;
+ u8 nread;
+
+ if (test_bit(SC_OP_INVALID, &sc->sc_flags))
+ return -EAGAIN;
+
+ buf = vmalloc(size);
+ if (!buf)
+ return -ENOMEM;
+ bb_mac_samp = vmalloc(sizeof(*bb_mac_samp) * ATH_DBG_MAX_SAMPLES);
+ if (!bb_mac_samp) {
+ vfree(buf);
+ return -ENOMEM;
+ }
+ /* Account the current state too */
+ ath9k_debug_samp_bb_mac(sc);
+
+ spin_lock_bh(&sc->debug.samp_lock);
+ memcpy(bb_mac_samp, sc->debug.bb_mac_samp,
+ sizeof(*bb_mac_samp) * ATH_DBG_MAX_SAMPLES);
+ len += snprintf(buf + len, size - len,
+ "Current Sample Index: %d\n", sc->debug.sampidx);
+ spin_unlock_bh(&sc->debug.samp_lock);
+
+ len += snprintf(buf + len, size - len,
+ "Raw DMA Debug Dump:\n");
+ len += snprintf(buf + len, size - len, "Sample |\t");
+ for (i = 0; i < ATH9K_NUM_DMA_DEBUG_REGS; i++)
+ len += snprintf(buf + len, size - len, " DMA Reg%d |\t", i);
+ len += snprintf(buf + len, size - len, "\n");
+
+ for (sampidx = 0; sampidx < ATH_DBG_MAX_SAMPLES; sampidx++) {
+ len += snprintf(buf + len, size - len, "%d\t", sampidx);
+
+ for (i = 0; i < ATH9K_NUM_DMA_DEBUG_REGS; i++)
+ len += snprintf(buf + len, size - len, " %08x\t",
+ ATH_SAMP_DBG(dma_dbg_reg_vals[i]));
+ len += snprintf(buf + len, size - len, "\n");
+ }
+ len += snprintf(buf + len, size - len, "\n");
+
+ len += snprintf(buf + len, size - len,
+ "Sample Num QCU: chain_st fsp_ok fsp_st DCU: chain_st\n");
+ for (sampidx = 0; sampidx < ATH_DBG_MAX_SAMPLES; sampidx++) {
+ qcuBase = &ATH_SAMP_DBG(dma_dbg_reg_vals[0]);
+ dcuBase = &ATH_SAMP_DBG(dma_dbg_reg_vals[4]);
+
+ for (i = 0; i < ATH9K_NUM_QUEUES; i++,
+ qcuOffset += 4, dcuOffset += 5) {
+ if (i == 8) {
+ qcuOffset = 0;
+ qcuBase++;
+ }
+
+ if (i == 6) {
+ dcuOffset = 0;
+ dcuBase++;
+ }
+ if (!sc->debug.stats.txstats[i].queued)
+ continue;
+
+ len += snprintf(buf + len, size - len,
+ "%4d %7d %2x %1x %2x %2x\n",
+ sampidx, i,
+ (*qcuBase & (0x7 << qcuOffset)) >> qcuOffset,
+ (*qcuBase & (0x8 << qcuOffset)) >>
+ (qcuOffset + 3),
+ ATH_SAMP_DBG(dma_dbg_reg_vals[2]) &
+ (0x7 << (i * 3)) >> (i * 3),
+ (*dcuBase & (0x1f << dcuOffset)) >> dcuOffset);
+ }
+ len += snprintf(buf + len, size - len, "\n");
+ }
+ len += snprintf(buf + len, size - len,
+ "samp qcu_sh qcu_fh qcu_comp dcu_comp dcu_arb dcu_fp "
+ "ch_idle_dur ch_idle_dur_val txfifo_val0 txfifo_val1 "
+ "txfifo_dcu0 txfifo_dcu1 pcu_obs AR_CR\n");
+
+ for (sampidx = 0; sampidx < ATH_DBG_MAX_SAMPLES; sampidx++) {
+ qcuBase = &ATH_SAMP_DBG(dma_dbg_reg_vals[0]);
+ dcuBase = &ATH_SAMP_DBG(dma_dbg_reg_vals[4]);
+
+ len += snprintf(buf + len, size - len, "%4d %5x %5x ", sampidx,
+ (ATH_SAMP_DBG(dma_dbg_reg_vals[3]) & 0x003c0000) >> 18,
+ (ATH_SAMP_DBG(dma_dbg_reg_vals[3]) & 0x03c00000) >> 22);
+ len += snprintf(buf + len, size - len, "%7x %8x ",
+ (ATH_SAMP_DBG(dma_dbg_reg_vals[3]) & 0x1c000000) >> 26,
+ (ATH_SAMP_DBG(dma_dbg_reg_vals[6]) & 0x3));
+ len += snprintf(buf + len, size - len, "%7x %7x ",
+ (ATH_SAMP_DBG(dma_dbg_reg_vals[5]) & 0x06000000) >> 25,
+ (ATH_SAMP_DBG(dma_dbg_reg_vals[5]) & 0x38000000) >> 27);
+ len += snprintf(buf + len, size - len, "%7d %12d ",
+ (ATH_SAMP_DBG(dma_dbg_reg_vals[6]) & 0x000003fc) >> 2,
+ (ATH_SAMP_DBG(dma_dbg_reg_vals[6]) & 0x00000400) >> 10);
+ len += snprintf(buf + len, size - len, "%12d %12d ",
+ (ATH_SAMP_DBG(dma_dbg_reg_vals[6]) & 0x00000800) >> 11,
+ (ATH_SAMP_DBG(dma_dbg_reg_vals[6]) & 0x00001000) >> 12);
+ len += snprintf(buf + len, size - len, "%12d %12d ",
+ (ATH_SAMP_DBG(dma_dbg_reg_vals[6]) & 0x0001e000) >> 13,
+ (ATH_SAMP_DBG(dma_dbg_reg_vals[6]) & 0x001e0000) >> 17);
+ len += snprintf(buf + len, size - len, "0x%07x 0x%07x\n",
+ ATH_SAMP_DBG(pcu_obs), ATH_SAMP_DBG(pcu_cr));
+ }
+
+ len += snprintf(buf + len, size - len,
+ "Sample ChNoise Chain privNF #Reading Readings\n");
+ for (sampidx = 0; sampidx < ATH_DBG_MAX_SAMPLES; sampidx++) {
+ h = ATH_SAMP_DBG(nfCalHist);
+ if (!ATH_SAMP_DBG(noise))
+ continue;
+
+ 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 += snprintf(buf + len, size - len,
+ "%4d %5d %4d\t %d\t %d\t",
+ sampidx, ATH_SAMP_DBG(noise),
+ i, h[i].privNF, nread);
+ for (j = 0; j < nread; j++)
+ len += snprintf(buf + len, size - len,
+ " %d", h[i].nfCalBuffer[j]);
+ len += snprintf(buf + len, size - len, "\n");
+ }
+ }
+ len += snprintf(buf + len, size - len, "\nCycle counters:\n"
+ "Sample Total Rxbusy Rxframes Txframes\n");
+ for (sampidx = 0; sampidx < ATH_DBG_MAX_SAMPLES; sampidx++) {
+ if (!ATH_SAMP_DBG(cc.cycles))
+ continue;
+ len += snprintf(buf + len, size - len,
+ "%4d %08x %08x %08x %08x\n",
+ sampidx, ATH_SAMP_DBG(cc.cycles),
+ ATH_SAMP_DBG(cc.rx_busy),
+ ATH_SAMP_DBG(cc.rx_frame),
+ ATH_SAMP_DBG(cc.tx_frame));
+ }
+
+ len += snprintf(buf + len, size - len, "Tx status Dump :\n");
+ len += snprintf(buf + len, size - len,
+ "Sample rssi:- ctl0 ctl1 ctl2 ext0 ext1 ext2 comb "
+ "isok rts_fail data_fail rate tid qid "
+ "ba_low ba_high tx_before(ms)\n");
+ for (sampidx = 0; sampidx < ATH_DBG_MAX_SAMPLES; sampidx++) {
+ for (i = 0; i < ATH_DBG_MAX_SAMPLES; i++) {
+ if (!ATH_SAMP_DBG(ts[i].jiffies))
+ continue;
+ len += snprintf(buf + len, size - len, "%-14d"
+ "%-4d %-4d %-4d %-4d %-4d %-4d %-4d %-4d %-8d "
+ "%-9d %-4d %-3d %-3d %08x %08x %-11d\n",
+ sampidx,
+ ATH_SAMP_DBG(ts[i].rssi_ctl0),
+ ATH_SAMP_DBG(ts[i].rssi_ctl1),
+ ATH_SAMP_DBG(ts[i].rssi_ctl2),
+ ATH_SAMP_DBG(ts[i].rssi_ext0),
+ ATH_SAMP_DBG(ts[i].rssi_ext1),
+ ATH_SAMP_DBG(ts[i].rssi_ext2),
+ ATH_SAMP_DBG(ts[i].rssi),
+ ATH_SAMP_DBG(ts[i].isok),
+ ATH_SAMP_DBG(ts[i].rts_fail_cnt),
+ ATH_SAMP_DBG(ts[i].data_fail_cnt),
+ ATH_SAMP_DBG(ts[i].rateindex),
+ ATH_SAMP_DBG(ts[i].tid),
+ ATH_SAMP_DBG(ts[i].qid),
+ ATH_SAMP_DBG(ts[i].ba_low),
+ ATH_SAMP_DBG(ts[i].ba_high),
+ jiffies_to_msecs(jiffies -
+ ATH_SAMP_DBG(ts[i].jiffies)));
+ }
+ }
+
+ len += snprintf(buf + len, size - len, "Rx status Dump :\n");
+ len += snprintf(buf + len, size - len, "Sample rssi:- ctl0 ctl1 ctl2 "
+ "ext0 ext1 ext2 comb beacon ant rate rx_before(ms)\n");
+ for (sampidx = 0; sampidx < ATH_DBG_MAX_SAMPLES; sampidx++) {
+ for (i = 0; i < ATH_DBG_MAX_SAMPLES; i++) {
+ if (!ATH_SAMP_DBG(rs[i].jiffies))
+ continue;
+ len += snprintf(buf + len, size - len, "%-14d"
+ "%-4d %-4d %-4d %-4d %-4d %-4d %-4d %-9s %-2d %02x %-13d\n",
+ sampidx,
+ ATH_SAMP_DBG(rs[i].rssi_ctl0),
+ ATH_SAMP_DBG(rs[i].rssi_ctl1),
+ ATH_SAMP_DBG(rs[i].rssi_ctl2),
+ ATH_SAMP_DBG(rs[i].rssi_ext0),
+ ATH_SAMP_DBG(rs[i].rssi_ext1),
+ ATH_SAMP_DBG(rs[i].rssi_ext2),
+ ATH_SAMP_DBG(rs[i].rssi),
+ ATH_SAMP_DBG(rs[i].is_mybeacon) ?
+ "True" : "False",
+ ATH_SAMP_DBG(rs[i].antenna),
+ ATH_SAMP_DBG(rs[i].rate),
+ jiffies_to_msecs(jiffies -
+ ATH_SAMP_DBG(rs[i].jiffies)));
+ }
+ }
+
+ vfree(bb_mac_samp);
+ file->private_data = buf;
+
+ return 0;
+#undef ATH_SAMP_DBG
+}
+
+static const struct file_operations fops_samps = {
+ .open = open_file_bb_mac_samps,
+ .read = ath9k_debugfs_read_buf,
+ .release = ath9k_debugfs_release_buf,
+ .owner = THIS_MODULE,
+ .llseek = default_llseek,
+};
+
+#endif
+
+#ifdef CPTCFG_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 = snprintf(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
+
+static ssize_t read_file_node_stat(struct file *file, char __user *user_buf,
+ size_t count, loff_t *ppos)
+{
+ struct ath_node *an = file->private_data;
+ struct ath_softc *sc = an->sc;
+ struct ath_atx_tid *tid;
+ struct ath_atx_ac *ac;
+ struct ath_txq *txq;
+ u32 len = 0, size = 4096;
+ char *buf;
+ size_t retval;
+ int tidno, acno;
+
+ buf = kzalloc(size, GFP_KERNEL);
+ if (buf == NULL)
+ return -ENOMEM;
+
+ if (!an->sta->ht_cap.ht_supported) {
+ len = snprintf(buf, size, "%s\n",
+ "HT not supported");
+ goto exit;
+ }
+
+ len = snprintf(buf, size, "Max-AMPDU: %d\n",
+ an->maxampdu);
+ len += snprintf(buf + len, size - len, "MPDU Density: %d\n\n",
+ an->mpdudensity);
+
+ len += snprintf(buf + len, size - len,
+ "%2s%7s\n", "AC", "SCHED");
+
+ for (acno = 0, ac = &an->ac[acno];
+ acno < IEEE80211_NUM_ACS; acno++, ac++) {
+ txq = ac->txq;
+ ath_txq_lock(sc, txq);
+ len += snprintf(buf + len, size - len,
+ "%2d%7d\n",
+ acno, ac->sched);
+ ath_txq_unlock(sc, txq);
+ }
+
+ len += snprintf(buf + len, size - len,
+ "\n%3s%11s%10s%10s%10s%10s%9s%6s%8s\n",
+ "TID", "SEQ_START", "SEQ_NEXT", "BAW_SIZE",
+ "BAW_HEAD", "BAW_TAIL", "BAR_IDX", "SCHED", "PAUSED");
+
+ for (tidno = 0, tid = &an->tid[tidno];
+ tidno < IEEE80211_NUM_TIDS; tidno++, tid++) {
+ txq = tid->ac->txq;
+ ath_txq_lock(sc, txq);
+ len += snprintf(buf + len, size - len,
+ "%3d%11d%10d%10d%10d%10d%9d%6d%8d\n",
+ tid->tidno, tid->seq_start, tid->seq_next,
+ tid->baw_size, tid->baw_head, tid->baw_tail,
+ tid->bar_index, tid->sched, tid->paused);
+ ath_txq_unlock(sc, txq);
+ }
+exit:
+ retval = simple_read_from_buffer(user_buf, count, ppos, buf, len);
+ kfree(buf);
+
+ return retval;
+}
+
+static const struct file_operations fops_node_stat = {
+ .read = read_file_node_stat,
+ .open = simple_open,
+ .owner = THIS_MODULE,
+ .llseek = default_llseek,
+};
+
+void ath9k_sta_add_debugfs(struct ieee80211_hw *hw,
+ struct ieee80211_vif *vif,
+ struct ieee80211_sta *sta,
+ struct dentry *dir)
+{
+ struct ath_node *an = (struct ath_node *)sta->drv_priv;
+ an->node_stat = debugfs_create_file("node_stat", S_IRUGO,
+ dir, an, &fops_node_stat);
+}
+
+void ath9k_sta_remove_debugfs(struct ieee80211_hw *hw,
+ struct ieee80211_vif *vif,
+ struct ieee80211_sta *sta,
+ struct dentry *dir)
+{
+ struct ath_node *an = (struct ath_node *)sta->drv_priv;
+ debugfs_remove(an->node_stat);
+}
+
+/* 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)
+{
+ if (config_enabled(CPTCFG_ATH9K_DEBUGFS) && sc->rfs_chan_spec_scan) {
+ relay_close(sc->rfs_chan_spec_scan);
+ sc->rfs_chan_spec_scan = NULL;
+ }
+}
+
+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 CPTCFG_ATH_DEBUG
+ debugfs_create_file("debug", S_IRUSR | S_IWUSR, sc->debug.debugfs_phy,
+ sc, &fops_debug);
+#endif
+
+ ath9k_dfs_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);
+ debugfs_create_file("recv", S_IRUSR, sc->debug.debugfs_phy, sc,
+ &fops_recv);
+ debugfs_create_file("rx_chainmask", S_IRUSR | S_IWUSR,
+ sc->debug.debugfs_phy, sc, &fops_rx_chainmask);
+ debugfs_create_file("tx_chainmask", S_IRUSR | S_IWUSR,
+ sc->debug.debugfs_phy, sc, &fops_tx_chainmask);
+ debugfs_create_file("disable_ani", S_IRUSR | S_IWUSR,
+ sc->debug.debugfs_phy, sc, &fops_disable_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);
+ debugfs_create_file("base_eeprom", S_IRUSR, sc->debug.debugfs_phy, sc,
+ &fops_base_eeprom);
+ debugfs_create_file("modal_eeprom", S_IRUSR, sc->debug.debugfs_phy, sc,
+ &fops_modal_eeprom);
+ sc->rfs_chan_spec_scan = relay_open("spectral_scan",
+ sc->debug.debugfs_phy,
+ 1024, 256, &rfs_spec_scan_cb,
+ NULL);
+ debugfs_create_file("spectral_scan_ctl", S_IRUSR | S_IWUSR,
+ sc->debug.debugfs_phy, sc,
+ &fops_spec_scan_ctl);
+ debugfs_create_file("spectral_short_repeat", S_IRUSR | S_IWUSR,
+ sc->debug.debugfs_phy, sc,
+ &fops_spectral_short_repeat);
+ debugfs_create_file("spectral_count", S_IRUSR | S_IWUSR,
+ sc->debug.debugfs_phy, sc, &fops_spectral_count);
+ debugfs_create_file("spectral_period", S_IRUSR | S_IWUSR,
+ sc->debug.debugfs_phy, sc, &fops_spectral_period);
+ debugfs_create_file("spectral_fft_period", S_IRUSR | S_IWUSR,
+ sc->debug.debugfs_phy, sc,
+ &fops_spectral_fft_period);
+
+#ifdef CPTCFG_ATH9K_MAC_DEBUG
+ debugfs_create_file("samples", S_IRUSR, sc->debug.debugfs_phy, sc,
+ &fops_samps);
+#endif
+ 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("diversity", S_IRUSR | S_IWUSR,
+ sc->debug.debugfs_phy, sc, &fops_ant_diversity);
+#ifdef CPTCFG_ATH9K_BTCOEX_SUPPORT
+ debugfs_create_file("btcoex", S_IRUSR, sc->debug.debugfs_phy, sc,
+ &fops_btcoex);
+#endif
+ return 0;
+}
generated by cgit v1.2.3 (git 2.25.1) at 2024-05-18 01:13:08 +0000