ASR_BASE
Change-Id: Icf3719cc0afe3eeb3edc7fa80a2eb5199ca9dda1
diff --git a/marvell/linux/drivers/net/wireless/ath/ath6kl/debug.c b/marvell/linux/drivers/net/wireless/ath/ath6kl/debug.c
new file mode 100644
index 0000000..085a134
--- /dev/null
+++ b/marvell/linux/drivers/net/wireless/ath/ath6kl/debug.c
@@ -0,0 +1,1873 @@
+/*
+ * Copyright (c) 2004-2011 Atheros Communications Inc.
+ * Copyright (c) 2011-2012 Qualcomm Atheros, 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 "core.h"
+
+#include <linux/skbuff.h>
+#include <linux/fs.h>
+#include <linux/vmalloc.h>
+#include <linux/export.h>
+
+#include "debug.h"
+#include "target.h"
+
+struct ath6kl_fwlog_slot {
+ __le32 timestamp;
+ __le32 length;
+
+ /* max ATH6KL_FWLOG_PAYLOAD_SIZE bytes */
+ u8 payload[0];
+};
+
+#define ATH6KL_FWLOG_MAX_ENTRIES 20
+
+#define ATH6KL_FWLOG_VALID_MASK 0x1ffff
+
+void ath6kl_printk(const char *level, const char *fmt, ...)
+{
+ struct va_format vaf;
+ va_list args;
+
+ va_start(args, fmt);
+
+ vaf.fmt = fmt;
+ vaf.va = &args;
+
+ printk("%sath6kl: %pV", level, &vaf);
+
+ va_end(args);
+}
+EXPORT_SYMBOL(ath6kl_printk);
+
+void ath6kl_info(const char *fmt, ...)
+{
+ struct va_format vaf = {
+ .fmt = fmt,
+ };
+ va_list args;
+
+ va_start(args, fmt);
+ vaf.va = &args;
+ ath6kl_printk(KERN_INFO, "%pV", &vaf);
+ trace_ath6kl_log_info(&vaf);
+ va_end(args);
+}
+EXPORT_SYMBOL(ath6kl_info);
+
+void ath6kl_err(const char *fmt, ...)
+{
+ struct va_format vaf = {
+ .fmt = fmt,
+ };
+ va_list args;
+
+ va_start(args, fmt);
+ vaf.va = &args;
+ ath6kl_printk(KERN_ERR, "%pV", &vaf);
+ trace_ath6kl_log_err(&vaf);
+ va_end(args);
+}
+EXPORT_SYMBOL(ath6kl_err);
+
+void ath6kl_warn(const char *fmt, ...)
+{
+ struct va_format vaf = {
+ .fmt = fmt,
+ };
+ va_list args;
+
+ va_start(args, fmt);
+ vaf.va = &args;
+ ath6kl_printk(KERN_WARNING, "%pV", &vaf);
+ trace_ath6kl_log_warn(&vaf);
+ va_end(args);
+}
+EXPORT_SYMBOL(ath6kl_warn);
+
+int ath6kl_read_tgt_stats(struct ath6kl *ar, struct ath6kl_vif *vif)
+{
+ long left;
+
+ if (down_interruptible(&ar->sem))
+ return -EBUSY;
+
+ set_bit(STATS_UPDATE_PEND, &vif->flags);
+
+ if (ath6kl_wmi_get_stats_cmd(ar->wmi, 0)) {
+ up(&ar->sem);
+ return -EIO;
+ }
+
+ left = wait_event_interruptible_timeout(ar->event_wq,
+ !test_bit(STATS_UPDATE_PEND,
+ &vif->flags), WMI_TIMEOUT);
+
+ up(&ar->sem);
+
+ if (left <= 0)
+ return -ETIMEDOUT;
+
+ return 0;
+}
+EXPORT_SYMBOL(ath6kl_read_tgt_stats);
+
+#ifdef CONFIG_ATH6KL_DEBUG
+
+void ath6kl_dbg(enum ATH6K_DEBUG_MASK mask, const char *fmt, ...)
+{
+ struct va_format vaf;
+ va_list args;
+
+ va_start(args, fmt);
+
+ vaf.fmt = fmt;
+ vaf.va = &args;
+
+ if (debug_mask & mask)
+ ath6kl_printk(KERN_DEBUG, "%pV", &vaf);
+
+ trace_ath6kl_log_dbg(mask, &vaf);
+
+ va_end(args);
+}
+EXPORT_SYMBOL(ath6kl_dbg);
+
+void ath6kl_dbg_dump(enum ATH6K_DEBUG_MASK mask,
+ const char *msg, const char *prefix,
+ const void *buf, size_t len)
+{
+ if (debug_mask & mask) {
+ if (msg)
+ ath6kl_dbg(mask, "%s\n", msg);
+
+ print_hex_dump_bytes(prefix, DUMP_PREFIX_OFFSET, buf, len);
+ }
+
+ /* tracing code doesn't like null strings :/ */
+ trace_ath6kl_log_dbg_dump(msg ? msg : "", prefix ? prefix : "",
+ buf, len);
+}
+EXPORT_SYMBOL(ath6kl_dbg_dump);
+
+#define REG_OUTPUT_LEN_PER_LINE 25
+#define REGTYPE_STR_LEN 100
+
+struct ath6kl_diag_reg_info {
+ u32 reg_start;
+ u32 reg_end;
+ const char *reg_info;
+};
+
+static const struct ath6kl_diag_reg_info diag_reg[] = {
+ { 0x20000, 0x200fc, "General DMA and Rx registers" },
+ { 0x28000, 0x28900, "MAC PCU register & keycache" },
+ { 0x20800, 0x20a40, "QCU" },
+ { 0x21000, 0x212f0, "DCU" },
+ { 0x4000, 0x42e4, "RTC" },
+ { 0x540000, 0x540000 + (256 * 1024), "RAM" },
+ { 0x29800, 0x2B210, "Base Band" },
+ { 0x1C000, 0x1C748, "Analog" },
+};
+
+void ath6kl_dump_registers(struct ath6kl_device *dev,
+ struct ath6kl_irq_proc_registers *irq_proc_reg,
+ struct ath6kl_irq_enable_reg *irq_enable_reg)
+{
+ ath6kl_dbg(ATH6KL_DBG_IRQ, ("<------- Register Table -------->\n"));
+
+ if (irq_proc_reg != NULL) {
+ ath6kl_dbg(ATH6KL_DBG_IRQ,
+ "Host Int status: 0x%x\n",
+ irq_proc_reg->host_int_status);
+ ath6kl_dbg(ATH6KL_DBG_IRQ,
+ "CPU Int status: 0x%x\n",
+ irq_proc_reg->cpu_int_status);
+ ath6kl_dbg(ATH6KL_DBG_IRQ,
+ "Error Int status: 0x%x\n",
+ irq_proc_reg->error_int_status);
+ ath6kl_dbg(ATH6KL_DBG_IRQ,
+ "Counter Int status: 0x%x\n",
+ irq_proc_reg->counter_int_status);
+ ath6kl_dbg(ATH6KL_DBG_IRQ,
+ "Mbox Frame: 0x%x\n",
+ irq_proc_reg->mbox_frame);
+ ath6kl_dbg(ATH6KL_DBG_IRQ,
+ "Rx Lookahead Valid: 0x%x\n",
+ irq_proc_reg->rx_lkahd_valid);
+ ath6kl_dbg(ATH6KL_DBG_IRQ,
+ "Rx Lookahead 0: 0x%x\n",
+ irq_proc_reg->rx_lkahd[0]);
+ ath6kl_dbg(ATH6KL_DBG_IRQ,
+ "Rx Lookahead 1: 0x%x\n",
+ irq_proc_reg->rx_lkahd[1]);
+
+ if (dev->ar->mbox_info.gmbox_addr != 0) {
+ /*
+ * If the target supports GMBOX hardware, dump some
+ * additional state.
+ */
+ ath6kl_dbg(ATH6KL_DBG_IRQ,
+ "GMBOX Host Int status 2: 0x%x\n",
+ irq_proc_reg->host_int_status2);
+ ath6kl_dbg(ATH6KL_DBG_IRQ,
+ "GMBOX RX Avail: 0x%x\n",
+ irq_proc_reg->gmbox_rx_avail);
+ ath6kl_dbg(ATH6KL_DBG_IRQ,
+ "GMBOX lookahead alias 0: 0x%x\n",
+ irq_proc_reg->rx_gmbox_lkahd_alias[0]);
+ ath6kl_dbg(ATH6KL_DBG_IRQ,
+ "GMBOX lookahead alias 1: 0x%x\n",
+ irq_proc_reg->rx_gmbox_lkahd_alias[1]);
+ }
+ }
+
+ if (irq_enable_reg != NULL) {
+ ath6kl_dbg(ATH6KL_DBG_IRQ,
+ "Int status Enable: 0x%x\n",
+ irq_enable_reg->int_status_en);
+ ath6kl_dbg(ATH6KL_DBG_IRQ, "Counter Int status Enable: 0x%x\n",
+ irq_enable_reg->cntr_int_status_en);
+ }
+ ath6kl_dbg(ATH6KL_DBG_IRQ, "<------------------------------->\n");
+}
+
+static void dump_cred_dist(struct htc_endpoint_credit_dist *ep_dist)
+{
+ ath6kl_dbg(ATH6KL_DBG_CREDIT,
+ "--- endpoint: %d svc_id: 0x%X ---\n",
+ ep_dist->endpoint, ep_dist->svc_id);
+ ath6kl_dbg(ATH6KL_DBG_CREDIT, " dist_flags : 0x%X\n",
+ ep_dist->dist_flags);
+ ath6kl_dbg(ATH6KL_DBG_CREDIT, " cred_norm : %d\n",
+ ep_dist->cred_norm);
+ ath6kl_dbg(ATH6KL_DBG_CREDIT, " cred_min : %d\n",
+ ep_dist->cred_min);
+ ath6kl_dbg(ATH6KL_DBG_CREDIT, " credits : %d\n",
+ ep_dist->credits);
+ ath6kl_dbg(ATH6KL_DBG_CREDIT, " cred_assngd : %d\n",
+ ep_dist->cred_assngd);
+ ath6kl_dbg(ATH6KL_DBG_CREDIT, " seek_cred : %d\n",
+ ep_dist->seek_cred);
+ ath6kl_dbg(ATH6KL_DBG_CREDIT, " cred_sz : %d\n",
+ ep_dist->cred_sz);
+ ath6kl_dbg(ATH6KL_DBG_CREDIT, " cred_per_msg : %d\n",
+ ep_dist->cred_per_msg);
+ ath6kl_dbg(ATH6KL_DBG_CREDIT, " cred_to_dist : %d\n",
+ ep_dist->cred_to_dist);
+ ath6kl_dbg(ATH6KL_DBG_CREDIT, " txq_depth : %d\n",
+ get_queue_depth(&ep_dist->htc_ep->txq));
+ ath6kl_dbg(ATH6KL_DBG_CREDIT,
+ "----------------------------------\n");
+}
+
+/* FIXME: move to htc.c */
+void dump_cred_dist_stats(struct htc_target *target)
+{
+ struct htc_endpoint_credit_dist *ep_list;
+
+ list_for_each_entry(ep_list, &target->cred_dist_list, list)
+ dump_cred_dist(ep_list);
+
+ ath6kl_dbg(ATH6KL_DBG_CREDIT,
+ "credit distribution total %d free %d\n",
+ target->credit_info->total_avail_credits,
+ target->credit_info->cur_free_credits);
+}
+
+void ath6kl_debug_war(struct ath6kl *ar, enum ath6kl_war war)
+{
+ switch (war) {
+ case ATH6KL_WAR_INVALID_RATE:
+ ar->debug.war_stats.invalid_rate++;
+ break;
+ }
+}
+
+static ssize_t read_file_war_stats(struct file *file, char __user *user_buf,
+ size_t count, loff_t *ppos)
+{
+ struct ath6kl *ar = file->private_data;
+ char *buf;
+ unsigned int len = 0, buf_len = 1500;
+ ssize_t ret_cnt;
+
+ buf = kzalloc(buf_len, GFP_KERNEL);
+ if (!buf)
+ return -ENOMEM;
+
+ len += scnprintf(buf + len, buf_len - len, "\n");
+ len += scnprintf(buf + len, buf_len - len, "%25s\n",
+ "Workaround stats");
+ len += scnprintf(buf + len, buf_len - len, "%25s\n\n",
+ "=================");
+ len += scnprintf(buf + len, buf_len - len, "%20s %10u\n",
+ "Invalid rates", ar->debug.war_stats.invalid_rate);
+
+ if (WARN_ON(len > buf_len))
+ len = buf_len;
+
+ ret_cnt = simple_read_from_buffer(user_buf, count, ppos, buf, len);
+
+ kfree(buf);
+ return ret_cnt;
+}
+
+static const struct file_operations fops_war_stats = {
+ .read = read_file_war_stats,
+ .open = simple_open,
+ .owner = THIS_MODULE,
+ .llseek = default_llseek,
+};
+
+void ath6kl_debug_fwlog_event(struct ath6kl *ar, const void *buf, size_t len)
+{
+ struct ath6kl_fwlog_slot *slot;
+ struct sk_buff *skb;
+ size_t slot_len;
+
+ if (WARN_ON(len > ATH6KL_FWLOG_PAYLOAD_SIZE))
+ return;
+
+ slot_len = sizeof(*slot) + ATH6KL_FWLOG_PAYLOAD_SIZE;
+
+ skb = alloc_skb(slot_len, GFP_KERNEL);
+ if (!skb)
+ return;
+
+ slot = skb_put(skb, slot_len);
+ slot->timestamp = cpu_to_le32(jiffies);
+ slot->length = cpu_to_le32(len);
+ memcpy(slot->payload, buf, len);
+
+ /* Need to pad each record to fixed length ATH6KL_FWLOG_PAYLOAD_SIZE */
+ memset(slot->payload + len, 0, ATH6KL_FWLOG_PAYLOAD_SIZE - len);
+
+ spin_lock(&ar->debug.fwlog_queue.lock);
+
+ __skb_queue_tail(&ar->debug.fwlog_queue, skb);
+ complete(&ar->debug.fwlog_completion);
+
+ /* drop oldest entries */
+ while (skb_queue_len(&ar->debug.fwlog_queue) >
+ ATH6KL_FWLOG_MAX_ENTRIES) {
+ skb = __skb_dequeue(&ar->debug.fwlog_queue);
+ kfree_skb(skb);
+ }
+
+ spin_unlock(&ar->debug.fwlog_queue.lock);
+
+ return;
+}
+
+static int ath6kl_fwlog_open(struct inode *inode, struct file *file)
+{
+ struct ath6kl *ar = inode->i_private;
+
+ if (ar->debug.fwlog_open)
+ return -EBUSY;
+
+ ar->debug.fwlog_open = true;
+
+ file->private_data = inode->i_private;
+ return 0;
+}
+
+static int ath6kl_fwlog_release(struct inode *inode, struct file *file)
+{
+ struct ath6kl *ar = inode->i_private;
+
+ ar->debug.fwlog_open = false;
+
+ return 0;
+}
+
+static ssize_t ath6kl_fwlog_read(struct file *file, char __user *user_buf,
+ size_t count, loff_t *ppos)
+{
+ struct ath6kl *ar = file->private_data;
+ struct sk_buff *skb;
+ ssize_t ret_cnt;
+ size_t len = 0;
+ char *buf;
+
+ buf = vmalloc(count);
+ if (!buf)
+ return -ENOMEM;
+
+ /* read undelivered logs from firmware */
+ ath6kl_read_fwlogs(ar);
+
+ spin_lock(&ar->debug.fwlog_queue.lock);
+
+ while ((skb = __skb_dequeue(&ar->debug.fwlog_queue))) {
+ if (skb->len > count - len) {
+ /* not enough space, put skb back and leave */
+ __skb_queue_head(&ar->debug.fwlog_queue, skb);
+ break;
+ }
+
+
+ memcpy(buf + len, skb->data, skb->len);
+ len += skb->len;
+
+ kfree_skb(skb);
+ }
+
+ spin_unlock(&ar->debug.fwlog_queue.lock);
+
+ /* FIXME: what to do if len == 0? */
+
+ ret_cnt = simple_read_from_buffer(user_buf, count, ppos, buf, len);
+
+ vfree(buf);
+
+ return ret_cnt;
+}
+
+static const struct file_operations fops_fwlog = {
+ .open = ath6kl_fwlog_open,
+ .release = ath6kl_fwlog_release,
+ .read = ath6kl_fwlog_read,
+ .owner = THIS_MODULE,
+ .llseek = default_llseek,
+};
+
+static ssize_t ath6kl_fwlog_block_read(struct file *file,
+ char __user *user_buf,
+ size_t count,
+ loff_t *ppos)
+{
+ struct ath6kl *ar = file->private_data;
+ struct sk_buff *skb;
+ ssize_t ret_cnt;
+ size_t len = 0, not_copied;
+ char *buf;
+ int ret;
+
+ buf = vmalloc(count);
+ if (!buf)
+ return -ENOMEM;
+
+ spin_lock(&ar->debug.fwlog_queue.lock);
+
+ if (skb_queue_len(&ar->debug.fwlog_queue) == 0) {
+ /* we must init under queue lock */
+ init_completion(&ar->debug.fwlog_completion);
+
+ spin_unlock(&ar->debug.fwlog_queue.lock);
+
+ ret = wait_for_completion_interruptible(
+ &ar->debug.fwlog_completion);
+ if (ret == -ERESTARTSYS) {
+ vfree(buf);
+ return ret;
+ }
+
+ spin_lock(&ar->debug.fwlog_queue.lock);
+ }
+
+ while ((skb = __skb_dequeue(&ar->debug.fwlog_queue))) {
+ if (skb->len > count - len) {
+ /* not enough space, put skb back and leave */
+ __skb_queue_head(&ar->debug.fwlog_queue, skb);
+ break;
+ }
+
+
+ memcpy(buf + len, skb->data, skb->len);
+ len += skb->len;
+
+ kfree_skb(skb);
+ }
+
+ spin_unlock(&ar->debug.fwlog_queue.lock);
+
+ /* FIXME: what to do if len == 0? */
+
+ not_copied = copy_to_user(user_buf, buf, len);
+ if (not_copied != 0) {
+ ret_cnt = -EFAULT;
+ goto out;
+ }
+
+ *ppos = *ppos + len;
+
+ ret_cnt = len;
+
+out:
+ vfree(buf);
+
+ return ret_cnt;
+}
+
+static const struct file_operations fops_fwlog_block = {
+ .open = ath6kl_fwlog_open,
+ .release = ath6kl_fwlog_release,
+ .read = ath6kl_fwlog_block_read,
+ .owner = THIS_MODULE,
+ .llseek = default_llseek,
+};
+
+static ssize_t ath6kl_fwlog_mask_read(struct file *file, char __user *user_buf,
+ size_t count, loff_t *ppos)
+{
+ struct ath6kl *ar = file->private_data;
+ char buf[16];
+ int len;
+
+ len = snprintf(buf, sizeof(buf), "0x%x\n", ar->debug.fwlog_mask);
+
+ return simple_read_from_buffer(user_buf, count, ppos, buf, len);
+}
+
+static ssize_t ath6kl_fwlog_mask_write(struct file *file,
+ const char __user *user_buf,
+ size_t count, loff_t *ppos)
+{
+ struct ath6kl *ar = file->private_data;
+ int ret;
+
+ ret = kstrtou32_from_user(user_buf, count, 0, &ar->debug.fwlog_mask);
+ if (ret)
+ return ret;
+
+ ret = ath6kl_wmi_config_debug_module_cmd(ar->wmi,
+ ATH6KL_FWLOG_VALID_MASK,
+ ar->debug.fwlog_mask);
+ if (ret)
+ return ret;
+
+ return count;
+}
+
+static const struct file_operations fops_fwlog_mask = {
+ .open = simple_open,
+ .read = ath6kl_fwlog_mask_read,
+ .write = ath6kl_fwlog_mask_write,
+ .owner = THIS_MODULE,
+ .llseek = default_llseek,
+};
+
+static ssize_t read_file_tgt_stats(struct file *file, char __user *user_buf,
+ size_t count, loff_t *ppos)
+{
+ struct ath6kl *ar = file->private_data;
+ struct ath6kl_vif *vif;
+ struct target_stats *tgt_stats;
+ char *buf;
+ unsigned int len = 0, buf_len = 1500;
+ int i;
+ ssize_t ret_cnt;
+ int rv;
+
+ vif = ath6kl_vif_first(ar);
+ if (!vif)
+ return -EIO;
+
+ buf = kzalloc(buf_len, GFP_KERNEL);
+ if (!buf)
+ return -ENOMEM;
+
+ rv = ath6kl_read_tgt_stats(ar, vif);
+ if (rv < 0) {
+ kfree(buf);
+ return rv;
+ }
+
+ tgt_stats = &vif->target_stats;
+
+ len += scnprintf(buf + len, buf_len - len, "\n");
+ len += scnprintf(buf + len, buf_len - len, "%25s\n",
+ "Target Tx stats");
+ len += scnprintf(buf + len, buf_len - len, "%25s\n\n",
+ "=================");
+ len += scnprintf(buf + len, buf_len - len, "%20s %10llu\n",
+ "Ucast packets", tgt_stats->tx_ucast_pkt);
+ len += scnprintf(buf + len, buf_len - len, "%20s %10llu\n",
+ "Bcast packets", tgt_stats->tx_bcast_pkt);
+ len += scnprintf(buf + len, buf_len - len, "%20s %10llu\n",
+ "Ucast byte", tgt_stats->tx_ucast_byte);
+ len += scnprintf(buf + len, buf_len - len, "%20s %10llu\n",
+ "Bcast byte", tgt_stats->tx_bcast_byte);
+ len += scnprintf(buf + len, buf_len - len, "%20s %10llu\n",
+ "Rts success cnt", tgt_stats->tx_rts_success_cnt);
+ for (i = 0; i < 4; i++)
+ len += scnprintf(buf + len, buf_len - len,
+ "%18s %d %10llu\n", "PER on ac",
+ i, tgt_stats->tx_pkt_per_ac[i]);
+ len += scnprintf(buf + len, buf_len - len, "%20s %10llu\n",
+ "Error", tgt_stats->tx_err);
+ len += scnprintf(buf + len, buf_len - len, "%20s %10llu\n",
+ "Fail count", tgt_stats->tx_fail_cnt);
+ len += scnprintf(buf + len, buf_len - len, "%20s %10llu\n",
+ "Retry count", tgt_stats->tx_retry_cnt);
+ len += scnprintf(buf + len, buf_len - len, "%20s %10llu\n",
+ "Multi retry cnt", tgt_stats->tx_mult_retry_cnt);
+ len += scnprintf(buf + len, buf_len - len, "%20s %10llu\n",
+ "Rts fail cnt", tgt_stats->tx_rts_fail_cnt);
+ len += scnprintf(buf + len, buf_len - len, "%25s %10llu\n\n",
+ "TKIP counter measure used",
+ tgt_stats->tkip_cnter_measures_invoked);
+
+ len += scnprintf(buf + len, buf_len - len, "%25s\n",
+ "Target Rx stats");
+ len += scnprintf(buf + len, buf_len - len, "%25s\n",
+ "=================");
+
+ len += scnprintf(buf + len, buf_len - len, "%20s %10llu\n",
+ "Ucast packets", tgt_stats->rx_ucast_pkt);
+ len += scnprintf(buf + len, buf_len - len, "%20s %10d\n",
+ "Ucast Rate", tgt_stats->rx_ucast_rate);
+ len += scnprintf(buf + len, buf_len - len, "%20s %10llu\n",
+ "Bcast packets", tgt_stats->rx_bcast_pkt);
+ len += scnprintf(buf + len, buf_len - len, "%20s %10llu\n",
+ "Ucast byte", tgt_stats->rx_ucast_byte);
+ len += scnprintf(buf + len, buf_len - len, "%20s %10llu\n",
+ "Bcast byte", tgt_stats->rx_bcast_byte);
+ len += scnprintf(buf + len, buf_len - len, "%20s %10llu\n",
+ "Fragmented pkt", tgt_stats->rx_frgment_pkt);
+ len += scnprintf(buf + len, buf_len - len, "%20s %10llu\n",
+ "Error", tgt_stats->rx_err);
+ len += scnprintf(buf + len, buf_len - len, "%20s %10llu\n",
+ "CRC Err", tgt_stats->rx_crc_err);
+ len += scnprintf(buf + len, buf_len - len, "%20s %10llu\n",
+ "Key cache miss", tgt_stats->rx_key_cache_miss);
+ len += scnprintf(buf + len, buf_len - len, "%20s %10llu\n",
+ "Decrypt Err", tgt_stats->rx_decrypt_err);
+ len += scnprintf(buf + len, buf_len - len, "%20s %10llu\n",
+ "Duplicate frame", tgt_stats->rx_dupl_frame);
+ len += scnprintf(buf + len, buf_len - len, "%20s %10llu\n",
+ "Tkip Mic failure", tgt_stats->tkip_local_mic_fail);
+ len += scnprintf(buf + len, buf_len - len, "%20s %10llu\n",
+ "TKIP format err", tgt_stats->tkip_fmt_err);
+ len += scnprintf(buf + len, buf_len - len, "%20s %10llu\n",
+ "CCMP format Err", tgt_stats->ccmp_fmt_err);
+ len += scnprintf(buf + len, buf_len - len, "%20s %10llu\n\n",
+ "CCMP Replay Err", tgt_stats->ccmp_replays);
+
+ len += scnprintf(buf + len, buf_len - len, "%25s\n",
+ "Misc Target stats");
+ len += scnprintf(buf + len, buf_len - len, "%25s\n",
+ "=================");
+ len += scnprintf(buf + len, buf_len - len, "%20s %10llu\n",
+ "Beacon Miss count", tgt_stats->cs_bmiss_cnt);
+ len += scnprintf(buf + len, buf_len - len, "%20s %10llu\n",
+ "Num Connects", tgt_stats->cs_connect_cnt);
+ len += scnprintf(buf + len, buf_len - len, "%20s %10llu\n",
+ "Num disconnects", tgt_stats->cs_discon_cnt);
+ len += scnprintf(buf + len, buf_len - len, "%20s %10d\n",
+ "Beacon avg rssi", tgt_stats->cs_ave_beacon_rssi);
+ len += scnprintf(buf + len, buf_len - len, "%20s %10d\n",
+ "ARP pkt received", tgt_stats->arp_received);
+ len += scnprintf(buf + len, buf_len - len, "%20s %10d\n",
+ "ARP pkt matched", tgt_stats->arp_matched);
+ len += scnprintf(buf + len, buf_len - len, "%20s %10d\n",
+ "ARP pkt replied", tgt_stats->arp_replied);
+
+ if (len > buf_len)
+ len = buf_len;
+
+ ret_cnt = simple_read_from_buffer(user_buf, count, ppos, buf, len);
+
+ kfree(buf);
+ return ret_cnt;
+}
+
+static const struct file_operations fops_tgt_stats = {
+ .read = read_file_tgt_stats,
+ .open = simple_open,
+ .owner = THIS_MODULE,
+ .llseek = default_llseek,
+};
+
+#define print_credit_info(fmt_str, ep_list_field) \
+ (len += scnprintf(buf + len, buf_len - len, fmt_str, \
+ ep_list->ep_list_field))
+#define CREDIT_INFO_DISPLAY_STRING_LEN 200
+#define CREDIT_INFO_LEN 128
+
+static ssize_t read_file_credit_dist_stats(struct file *file,
+ char __user *user_buf,
+ size_t count, loff_t *ppos)
+{
+ struct ath6kl *ar = file->private_data;
+ struct htc_target *target = ar->htc_target;
+ struct htc_endpoint_credit_dist *ep_list;
+ char *buf;
+ unsigned int buf_len, len = 0;
+ ssize_t ret_cnt;
+
+ buf_len = CREDIT_INFO_DISPLAY_STRING_LEN +
+ get_queue_depth(&target->cred_dist_list) * CREDIT_INFO_LEN;
+ buf = kzalloc(buf_len, GFP_KERNEL);
+ if (!buf)
+ return -ENOMEM;
+
+ len += scnprintf(buf + len, buf_len - len, "%25s%5d\n",
+ "Total Avail Credits: ",
+ target->credit_info->total_avail_credits);
+ len += scnprintf(buf + len, buf_len - len, "%25s%5d\n",
+ "Free credits :",
+ target->credit_info->cur_free_credits);
+
+ len += scnprintf(buf + len, buf_len - len,
+ " Epid Flags Cred_norm Cred_min Credits Cred_assngd"
+ " Seek_cred Cred_sz Cred_per_msg Cred_to_dist"
+ " qdepth\n");
+
+ list_for_each_entry(ep_list, &target->cred_dist_list, list) {
+ print_credit_info(" %2d", endpoint);
+ print_credit_info("%10x", dist_flags);
+ print_credit_info("%8d", cred_norm);
+ print_credit_info("%9d", cred_min);
+ print_credit_info("%9d", credits);
+ print_credit_info("%10d", cred_assngd);
+ print_credit_info("%13d", seek_cred);
+ print_credit_info("%12d", cred_sz);
+ print_credit_info("%9d", cred_per_msg);
+ print_credit_info("%14d", cred_to_dist);
+ len += scnprintf(buf + len, buf_len - len, "%12d\n",
+ get_queue_depth(&ep_list->htc_ep->txq));
+ }
+
+ if (len > buf_len)
+ len = buf_len;
+
+ ret_cnt = simple_read_from_buffer(user_buf, count, ppos, buf, len);
+ kfree(buf);
+ return ret_cnt;
+}
+
+static const struct file_operations fops_credit_dist_stats = {
+ .read = read_file_credit_dist_stats,
+ .open = simple_open,
+ .owner = THIS_MODULE,
+ .llseek = default_llseek,
+};
+
+static unsigned int print_endpoint_stat(struct htc_target *target, char *buf,
+ unsigned int buf_len, unsigned int len,
+ int offset, const char *name)
+{
+ int i;
+ struct htc_endpoint_stats *ep_st;
+ u32 *counter;
+
+ len += scnprintf(buf + len, buf_len - len, "%s:", name);
+ for (i = 0; i < ENDPOINT_MAX; i++) {
+ ep_st = &target->endpoint[i].ep_st;
+ counter = ((u32 *) ep_st) + (offset / 4);
+ len += scnprintf(buf + len, buf_len - len, " %u", *counter);
+ }
+ len += scnprintf(buf + len, buf_len - len, "\n");
+
+ return len;
+}
+
+static ssize_t ath6kl_endpoint_stats_read(struct file *file,
+ char __user *user_buf,
+ size_t count, loff_t *ppos)
+{
+ struct ath6kl *ar = file->private_data;
+ struct htc_target *target = ar->htc_target;
+ char *buf;
+ unsigned int buf_len, len = 0;
+ ssize_t ret_cnt;
+
+ buf_len = sizeof(struct htc_endpoint_stats) / sizeof(u32) *
+ (25 + ENDPOINT_MAX * 11);
+ buf = kmalloc(buf_len, GFP_KERNEL);
+ if (!buf)
+ return -ENOMEM;
+
+#define EPSTAT(name) \
+ do { \
+ len = print_endpoint_stat(target, buf, buf_len, len, \
+ offsetof(struct htc_endpoint_stats, \
+ name), \
+ #name); \
+ } while (0)
+
+ EPSTAT(cred_low_indicate);
+ EPSTAT(tx_issued);
+ EPSTAT(tx_pkt_bundled);
+ EPSTAT(tx_bundles);
+ EPSTAT(tx_dropped);
+ EPSTAT(tx_cred_rpt);
+ EPSTAT(cred_rpt_from_rx);
+ EPSTAT(cred_rpt_from_other);
+ EPSTAT(cred_rpt_ep0);
+ EPSTAT(cred_from_rx);
+ EPSTAT(cred_from_other);
+ EPSTAT(cred_from_ep0);
+ EPSTAT(cred_cosumd);
+ EPSTAT(cred_retnd);
+ EPSTAT(rx_pkts);
+ EPSTAT(rx_lkahds);
+ EPSTAT(rx_bundl);
+ EPSTAT(rx_bundle_lkahd);
+ EPSTAT(rx_bundle_from_hdr);
+ EPSTAT(rx_alloc_thresh_hit);
+ EPSTAT(rxalloc_thresh_byte);
+#undef EPSTAT
+
+ if (len > buf_len)
+ len = buf_len;
+
+ ret_cnt = simple_read_from_buffer(user_buf, count, ppos, buf, len);
+ kfree(buf);
+ return ret_cnt;
+}
+
+static ssize_t ath6kl_endpoint_stats_write(struct file *file,
+ const char __user *user_buf,
+ size_t count, loff_t *ppos)
+{
+ struct ath6kl *ar = file->private_data;
+ struct htc_target *target = ar->htc_target;
+ int ret, i;
+ u32 val;
+ struct htc_endpoint_stats *ep_st;
+
+ ret = kstrtou32_from_user(user_buf, count, 0, &val);
+ if (ret)
+ return ret;
+ if (val == 0) {
+ for (i = 0; i < ENDPOINT_MAX; i++) {
+ ep_st = &target->endpoint[i].ep_st;
+ memset(ep_st, 0, sizeof(*ep_st));
+ }
+ }
+
+ return count;
+}
+
+static const struct file_operations fops_endpoint_stats = {
+ .open = simple_open,
+ .read = ath6kl_endpoint_stats_read,
+ .write = ath6kl_endpoint_stats_write,
+ .owner = THIS_MODULE,
+ .llseek = default_llseek,
+};
+
+static unsigned long ath6kl_get_num_reg(void)
+{
+ int i;
+ unsigned long n_reg = 0;
+
+ for (i = 0; i < ARRAY_SIZE(diag_reg); i++)
+ n_reg = n_reg +
+ (diag_reg[i].reg_end - diag_reg[i].reg_start) / 4 + 1;
+
+ return n_reg;
+}
+
+static bool ath6kl_dbg_is_diag_reg_valid(u32 reg_addr)
+{
+ int i;
+
+ for (i = 0; i < ARRAY_SIZE(diag_reg); i++) {
+ if (reg_addr >= diag_reg[i].reg_start &&
+ reg_addr <= diag_reg[i].reg_end)
+ return true;
+ }
+
+ return false;
+}
+
+static ssize_t ath6kl_regread_read(struct file *file, char __user *user_buf,
+ size_t count, loff_t *ppos)
+{
+ struct ath6kl *ar = file->private_data;
+ u8 buf[50];
+ unsigned int len = 0;
+
+ if (ar->debug.dbgfs_diag_reg)
+ len += scnprintf(buf + len, sizeof(buf) - len, "0x%x\n",
+ ar->debug.dbgfs_diag_reg);
+ else
+ len += scnprintf(buf + len, sizeof(buf) - len,
+ "All diag registers\n");
+
+ return simple_read_from_buffer(user_buf, count, ppos, buf, len);
+}
+
+static ssize_t ath6kl_regread_write(struct file *file,
+ const char __user *user_buf,
+ size_t count, loff_t *ppos)
+{
+ struct ath6kl *ar = file->private_data;
+ unsigned long reg_addr;
+
+ if (kstrtoul_from_user(user_buf, count, 0, ®_addr))
+ return -EINVAL;
+
+ if ((reg_addr % 4) != 0)
+ return -EINVAL;
+
+ if (reg_addr && !ath6kl_dbg_is_diag_reg_valid(reg_addr))
+ return -EINVAL;
+
+ ar->debug.dbgfs_diag_reg = reg_addr;
+
+ return count;
+}
+
+static const struct file_operations fops_diag_reg_read = {
+ .read = ath6kl_regread_read,
+ .write = ath6kl_regread_write,
+ .open = simple_open,
+ .owner = THIS_MODULE,
+ .llseek = default_llseek,
+};
+
+static int ath6kl_regdump_open(struct inode *inode, struct file *file)
+{
+ struct ath6kl *ar = inode->i_private;
+ u8 *buf;
+ unsigned long int reg_len;
+ unsigned int len = 0, n_reg;
+ u32 addr;
+ __le32 reg_val;
+ int i, status;
+
+ /* Dump all the registers if no register is specified */
+ if (!ar->debug.dbgfs_diag_reg)
+ n_reg = ath6kl_get_num_reg();
+ else
+ n_reg = 1;
+
+ reg_len = n_reg * REG_OUTPUT_LEN_PER_LINE;
+ if (n_reg > 1)
+ reg_len += REGTYPE_STR_LEN;
+
+ buf = vmalloc(reg_len);
+ if (!buf)
+ return -ENOMEM;
+
+ if (n_reg == 1) {
+ addr = ar->debug.dbgfs_diag_reg;
+
+ status = ath6kl_diag_read32(ar,
+ TARG_VTOP(ar->target_type, addr),
+ (u32 *)®_val);
+ if (status)
+ goto fail_reg_read;
+
+ len += scnprintf(buf + len, reg_len - len,
+ "0x%06x 0x%08x\n", addr, le32_to_cpu(reg_val));
+ goto done;
+ }
+
+ for (i = 0; i < ARRAY_SIZE(diag_reg); i++) {
+ len += scnprintf(buf + len, reg_len - len,
+ "%s\n", diag_reg[i].reg_info);
+ for (addr = diag_reg[i].reg_start;
+ addr <= diag_reg[i].reg_end; addr += 4) {
+ status = ath6kl_diag_read32(ar,
+ TARG_VTOP(ar->target_type, addr),
+ (u32 *)®_val);
+ if (status)
+ goto fail_reg_read;
+
+ len += scnprintf(buf + len, reg_len - len,
+ "0x%06x 0x%08x\n",
+ addr, le32_to_cpu(reg_val));
+ }
+ }
+
+done:
+ file->private_data = buf;
+ return 0;
+
+fail_reg_read:
+ ath6kl_warn("Unable to read memory:%u\n", addr);
+ vfree(buf);
+ return -EIO;
+}
+
+static ssize_t ath6kl_regdump_read(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 ath6kl_regdump_release(struct inode *inode, struct file *file)
+{
+ vfree(file->private_data);
+ return 0;
+}
+
+static const struct file_operations fops_reg_dump = {
+ .open = ath6kl_regdump_open,
+ .read = ath6kl_regdump_read,
+ .release = ath6kl_regdump_release,
+ .owner = THIS_MODULE,
+ .llseek = default_llseek,
+};
+
+static ssize_t ath6kl_lrssi_roam_write(struct file *file,
+ const char __user *user_buf,
+ size_t count, loff_t *ppos)
+{
+ struct ath6kl *ar = file->private_data;
+ unsigned long lrssi_roam_threshold;
+ int ret;
+
+ if (kstrtoul_from_user(user_buf, count, 0, &lrssi_roam_threshold))
+ return -EINVAL;
+
+ ar->lrssi_roam_threshold = lrssi_roam_threshold;
+
+ ret = ath6kl_wmi_set_roam_lrssi_cmd(ar->wmi, ar->lrssi_roam_threshold);
+
+ if (ret)
+ return ret;
+ return count;
+}
+
+static ssize_t ath6kl_lrssi_roam_read(struct file *file,
+ char __user *user_buf,
+ size_t count, loff_t *ppos)
+{
+ struct ath6kl *ar = file->private_data;
+ char buf[32];
+ unsigned int len;
+
+ len = snprintf(buf, sizeof(buf), "%u\n", ar->lrssi_roam_threshold);
+
+ return simple_read_from_buffer(user_buf, count, ppos, buf, len);
+}
+
+static const struct file_operations fops_lrssi_roam_threshold = {
+ .read = ath6kl_lrssi_roam_read,
+ .write = ath6kl_lrssi_roam_write,
+ .open = simple_open,
+ .owner = THIS_MODULE,
+ .llseek = default_llseek,
+};
+
+static ssize_t ath6kl_regwrite_read(struct file *file,
+ char __user *user_buf,
+ size_t count, loff_t *ppos)
+{
+ struct ath6kl *ar = file->private_data;
+ u8 buf[32];
+ unsigned int len = 0;
+
+ len = scnprintf(buf, sizeof(buf), "Addr: 0x%x Val: 0x%x\n",
+ ar->debug.diag_reg_addr_wr, ar->debug.diag_reg_val_wr);
+
+ return simple_read_from_buffer(user_buf, count, ppos, buf, len);
+}
+
+static ssize_t ath6kl_regwrite_write(struct file *file,
+ const char __user *user_buf,
+ size_t count, loff_t *ppos)
+{
+ struct ath6kl *ar = file->private_data;
+ char buf[32];
+ char *sptr, *token;
+ unsigned int len = 0;
+ u32 reg_addr, reg_val;
+
+ len = min(count, sizeof(buf) - 1);
+ if (copy_from_user(buf, user_buf, len))
+ return -EFAULT;
+
+ buf[len] = '\0';
+ sptr = buf;
+
+ token = strsep(&sptr, "=");
+ if (!token)
+ return -EINVAL;
+
+ if (kstrtou32(token, 0, ®_addr))
+ return -EINVAL;
+
+ if (!ath6kl_dbg_is_diag_reg_valid(reg_addr))
+ return -EINVAL;
+
+ if (kstrtou32(sptr, 0, ®_val))
+ return -EINVAL;
+
+ ar->debug.diag_reg_addr_wr = reg_addr;
+ ar->debug.diag_reg_val_wr = reg_val;
+
+ if (ath6kl_diag_write32(ar, ar->debug.diag_reg_addr_wr,
+ cpu_to_le32(ar->debug.diag_reg_val_wr)))
+ return -EIO;
+
+ return count;
+}
+
+static const struct file_operations fops_diag_reg_write = {
+ .read = ath6kl_regwrite_read,
+ .write = ath6kl_regwrite_write,
+ .open = simple_open,
+ .owner = THIS_MODULE,
+ .llseek = default_llseek,
+};
+
+int ath6kl_debug_roam_tbl_event(struct ath6kl *ar, const void *buf,
+ size_t len)
+{
+ const struct wmi_target_roam_tbl *tbl;
+ u16 num_entries;
+
+ if (len < sizeof(*tbl))
+ return -EINVAL;
+
+ tbl = (const struct wmi_target_roam_tbl *) buf;
+ num_entries = le16_to_cpu(tbl->num_entries);
+ if (struct_size(tbl, info, num_entries) > len)
+ return -EINVAL;
+
+ if (ar->debug.roam_tbl == NULL ||
+ ar->debug.roam_tbl_len < (unsigned int) len) {
+ kfree(ar->debug.roam_tbl);
+ ar->debug.roam_tbl = kmalloc(len, GFP_ATOMIC);
+ if (ar->debug.roam_tbl == NULL)
+ return -ENOMEM;
+ }
+
+ memcpy(ar->debug.roam_tbl, buf, len);
+ ar->debug.roam_tbl_len = len;
+
+ if (test_bit(ROAM_TBL_PEND, &ar->flag)) {
+ clear_bit(ROAM_TBL_PEND, &ar->flag);
+ wake_up(&ar->event_wq);
+ }
+
+ return 0;
+}
+
+static ssize_t ath6kl_roam_table_read(struct file *file, char __user *user_buf,
+ size_t count, loff_t *ppos)
+{
+ struct ath6kl *ar = file->private_data;
+ int ret;
+ long left;
+ struct wmi_target_roam_tbl *tbl;
+ u16 num_entries, i;
+ char *buf;
+ unsigned int len, buf_len;
+ ssize_t ret_cnt;
+
+ if (down_interruptible(&ar->sem))
+ return -EBUSY;
+
+ set_bit(ROAM_TBL_PEND, &ar->flag);
+
+ ret = ath6kl_wmi_get_roam_tbl_cmd(ar->wmi);
+ if (ret) {
+ up(&ar->sem);
+ return ret;
+ }
+
+ left = wait_event_interruptible_timeout(
+ ar->event_wq, !test_bit(ROAM_TBL_PEND, &ar->flag), WMI_TIMEOUT);
+ up(&ar->sem);
+
+ if (left <= 0)
+ return -ETIMEDOUT;
+
+ if (ar->debug.roam_tbl == NULL)
+ return -ENOMEM;
+
+ tbl = (struct wmi_target_roam_tbl *) ar->debug.roam_tbl;
+ num_entries = le16_to_cpu(tbl->num_entries);
+
+ buf_len = 100 + num_entries * 100;
+ buf = kzalloc(buf_len, GFP_KERNEL);
+ if (buf == NULL)
+ return -ENOMEM;
+ len = 0;
+ len += scnprintf(buf + len, buf_len - len,
+ "roam_mode=%u\n\n"
+ "# roam_util bssid rssi rssidt last_rssi util bias\n",
+ le16_to_cpu(tbl->roam_mode));
+
+ for (i = 0; i < num_entries; i++) {
+ struct wmi_bss_roam_info *info = &tbl->info[i];
+ len += scnprintf(buf + len, buf_len - len,
+ "%d %pM %d %d %d %d %d\n",
+ a_sle32_to_cpu(info->roam_util), info->bssid,
+ info->rssi, info->rssidt, info->last_rssi,
+ info->util, info->bias);
+ }
+
+ if (len > buf_len)
+ len = buf_len;
+
+ ret_cnt = simple_read_from_buffer(user_buf, count, ppos, buf, len);
+
+ kfree(buf);
+ return ret_cnt;
+}
+
+static const struct file_operations fops_roam_table = {
+ .read = ath6kl_roam_table_read,
+ .open = simple_open,
+ .owner = THIS_MODULE,
+ .llseek = default_llseek,
+};
+
+static ssize_t ath6kl_force_roam_write(struct file *file,
+ const char __user *user_buf,
+ size_t count, loff_t *ppos)
+{
+ struct ath6kl *ar = file->private_data;
+ int ret;
+ char buf[20];
+ size_t len;
+ u8 bssid[ETH_ALEN];
+
+ len = min(count, sizeof(buf) - 1);
+ if (copy_from_user(buf, user_buf, len))
+ return -EFAULT;
+ buf[len] = '\0';
+
+ if (!mac_pton(buf, bssid))
+ return -EINVAL;
+
+ ret = ath6kl_wmi_force_roam_cmd(ar->wmi, bssid);
+ if (ret)
+ return ret;
+
+ return count;
+}
+
+static const struct file_operations fops_force_roam = {
+ .write = ath6kl_force_roam_write,
+ .open = simple_open,
+ .owner = THIS_MODULE,
+ .llseek = default_llseek,
+};
+
+static ssize_t ath6kl_roam_mode_write(struct file *file,
+ const char __user *user_buf,
+ size_t count, loff_t *ppos)
+{
+ struct ath6kl *ar = file->private_data;
+ int ret;
+ char buf[20];
+ size_t len;
+ enum wmi_roam_mode mode;
+
+ len = min(count, sizeof(buf) - 1);
+ if (copy_from_user(buf, user_buf, len))
+ return -EFAULT;
+ buf[len] = '\0';
+ if (len > 0 && buf[len - 1] == '\n')
+ buf[len - 1] = '\0';
+
+ if (strcasecmp(buf, "default") == 0)
+ mode = WMI_DEFAULT_ROAM_MODE;
+ else if (strcasecmp(buf, "bssbias") == 0)
+ mode = WMI_HOST_BIAS_ROAM_MODE;
+ else if (strcasecmp(buf, "lock") == 0)
+ mode = WMI_LOCK_BSS_MODE;
+ else
+ return -EINVAL;
+
+ ret = ath6kl_wmi_set_roam_mode_cmd(ar->wmi, mode);
+ if (ret)
+ return ret;
+
+ return count;
+}
+
+static const struct file_operations fops_roam_mode = {
+ .write = ath6kl_roam_mode_write,
+ .open = simple_open,
+ .owner = THIS_MODULE,
+ .llseek = default_llseek,
+};
+
+void ath6kl_debug_set_keepalive(struct ath6kl *ar, u8 keepalive)
+{
+ ar->debug.keepalive = keepalive;
+}
+
+static ssize_t ath6kl_keepalive_read(struct file *file, char __user *user_buf,
+ size_t count, loff_t *ppos)
+{
+ struct ath6kl *ar = file->private_data;
+ char buf[16];
+ int len;
+
+ len = snprintf(buf, sizeof(buf), "%u\n", ar->debug.keepalive);
+
+ return simple_read_from_buffer(user_buf, count, ppos, buf, len);
+}
+
+static ssize_t ath6kl_keepalive_write(struct file *file,
+ const char __user *user_buf,
+ size_t count, loff_t *ppos)
+{
+ struct ath6kl *ar = file->private_data;
+ int ret;
+ u8 val;
+
+ ret = kstrtou8_from_user(user_buf, count, 0, &val);
+ if (ret)
+ return ret;
+
+ ret = ath6kl_wmi_set_keepalive_cmd(ar->wmi, 0, val);
+ if (ret)
+ return ret;
+
+ return count;
+}
+
+static const struct file_operations fops_keepalive = {
+ .open = simple_open,
+ .read = ath6kl_keepalive_read,
+ .write = ath6kl_keepalive_write,
+ .owner = THIS_MODULE,
+ .llseek = default_llseek,
+};
+
+void ath6kl_debug_set_disconnect_timeout(struct ath6kl *ar, u8 timeout)
+{
+ ar->debug.disc_timeout = timeout;
+}
+
+static ssize_t ath6kl_disconnect_timeout_read(struct file *file,
+ char __user *user_buf,
+ size_t count, loff_t *ppos)
+{
+ struct ath6kl *ar = file->private_data;
+ char buf[16];
+ int len;
+
+ len = snprintf(buf, sizeof(buf), "%u\n", ar->debug.disc_timeout);
+
+ return simple_read_from_buffer(user_buf, count, ppos, buf, len);
+}
+
+static ssize_t ath6kl_disconnect_timeout_write(struct file *file,
+ const char __user *user_buf,
+ size_t count, loff_t *ppos)
+{
+ struct ath6kl *ar = file->private_data;
+ int ret;
+ u8 val;
+
+ ret = kstrtou8_from_user(user_buf, count, 0, &val);
+ if (ret)
+ return ret;
+
+ ret = ath6kl_wmi_disctimeout_cmd(ar->wmi, 0, val);
+ if (ret)
+ return ret;
+
+ return count;
+}
+
+static const struct file_operations fops_disconnect_timeout = {
+ .open = simple_open,
+ .read = ath6kl_disconnect_timeout_read,
+ .write = ath6kl_disconnect_timeout_write,
+ .owner = THIS_MODULE,
+ .llseek = default_llseek,
+};
+
+static ssize_t ath6kl_create_qos_write(struct file *file,
+ const char __user *user_buf,
+ size_t count, loff_t *ppos)
+{
+ struct ath6kl *ar = file->private_data;
+ struct ath6kl_vif *vif;
+ char buf[200];
+ ssize_t len;
+ char *sptr, *token;
+ struct wmi_create_pstream_cmd pstream;
+ u32 val32;
+ u16 val16;
+
+ vif = ath6kl_vif_first(ar);
+ if (!vif)
+ return -EIO;
+
+ len = min(count, sizeof(buf) - 1);
+ if (copy_from_user(buf, user_buf, len))
+ return -EFAULT;
+ buf[len] = '\0';
+ sptr = buf;
+
+ token = strsep(&sptr, " ");
+ if (!token)
+ return -EINVAL;
+ if (kstrtou8(token, 0, &pstream.user_pri))
+ return -EINVAL;
+
+ token = strsep(&sptr, " ");
+ if (!token)
+ return -EINVAL;
+ if (kstrtou8(token, 0, &pstream.traffic_direc))
+ return -EINVAL;
+
+ token = strsep(&sptr, " ");
+ if (!token)
+ return -EINVAL;
+ if (kstrtou8(token, 0, &pstream.traffic_class))
+ return -EINVAL;
+
+ token = strsep(&sptr, " ");
+ if (!token)
+ return -EINVAL;
+ if (kstrtou8(token, 0, &pstream.traffic_type))
+ return -EINVAL;
+
+ token = strsep(&sptr, " ");
+ if (!token)
+ return -EINVAL;
+ if (kstrtou8(token, 0, &pstream.voice_psc_cap))
+ return -EINVAL;
+
+ token = strsep(&sptr, " ");
+ if (!token)
+ return -EINVAL;
+ if (kstrtou32(token, 0, &val32))
+ return -EINVAL;
+ pstream.min_service_int = cpu_to_le32(val32);
+
+ token = strsep(&sptr, " ");
+ if (!token)
+ return -EINVAL;
+ if (kstrtou32(token, 0, &val32))
+ return -EINVAL;
+ pstream.max_service_int = cpu_to_le32(val32);
+
+ token = strsep(&sptr, " ");
+ if (!token)
+ return -EINVAL;
+ if (kstrtou32(token, 0, &val32))
+ return -EINVAL;
+ pstream.inactivity_int = cpu_to_le32(val32);
+
+ token = strsep(&sptr, " ");
+ if (!token)
+ return -EINVAL;
+ if (kstrtou32(token, 0, &val32))
+ return -EINVAL;
+ pstream.suspension_int = cpu_to_le32(val32);
+
+ token = strsep(&sptr, " ");
+ if (!token)
+ return -EINVAL;
+ if (kstrtou32(token, 0, &val32))
+ return -EINVAL;
+ pstream.service_start_time = cpu_to_le32(val32);
+
+ token = strsep(&sptr, " ");
+ if (!token)
+ return -EINVAL;
+ if (kstrtou8(token, 0, &pstream.tsid))
+ return -EINVAL;
+
+ token = strsep(&sptr, " ");
+ if (!token)
+ return -EINVAL;
+ if (kstrtou16(token, 0, &val16))
+ return -EINVAL;
+ pstream.nominal_msdu = cpu_to_le16(val16);
+
+ token = strsep(&sptr, " ");
+ if (!token)
+ return -EINVAL;
+ if (kstrtou16(token, 0, &val16))
+ return -EINVAL;
+ pstream.max_msdu = cpu_to_le16(val16);
+
+ token = strsep(&sptr, " ");
+ if (!token)
+ return -EINVAL;
+ if (kstrtou32(token, 0, &val32))
+ return -EINVAL;
+ pstream.min_data_rate = cpu_to_le32(val32);
+
+ token = strsep(&sptr, " ");
+ if (!token)
+ return -EINVAL;
+ if (kstrtou32(token, 0, &val32))
+ return -EINVAL;
+ pstream.mean_data_rate = cpu_to_le32(val32);
+
+ token = strsep(&sptr, " ");
+ if (!token)
+ return -EINVAL;
+ if (kstrtou32(token, 0, &val32))
+ return -EINVAL;
+ pstream.peak_data_rate = cpu_to_le32(val32);
+
+ token = strsep(&sptr, " ");
+ if (!token)
+ return -EINVAL;
+ if (kstrtou32(token, 0, &val32))
+ return -EINVAL;
+ pstream.max_burst_size = cpu_to_le32(val32);
+
+ token = strsep(&sptr, " ");
+ if (!token)
+ return -EINVAL;
+ if (kstrtou32(token, 0, &val32))
+ return -EINVAL;
+ pstream.delay_bound = cpu_to_le32(val32);
+
+ token = strsep(&sptr, " ");
+ if (!token)
+ return -EINVAL;
+ if (kstrtou32(token, 0, &val32))
+ return -EINVAL;
+ pstream.min_phy_rate = cpu_to_le32(val32);
+
+ token = strsep(&sptr, " ");
+ if (!token)
+ return -EINVAL;
+ if (kstrtou32(token, 0, &val32))
+ return -EINVAL;
+ pstream.sba = cpu_to_le32(val32);
+
+ token = strsep(&sptr, " ");
+ if (!token)
+ return -EINVAL;
+ if (kstrtou32(token, 0, &val32))
+ return -EINVAL;
+ pstream.medium_time = cpu_to_le32(val32);
+
+ pstream.nominal_phy = le32_to_cpu(pstream.min_phy_rate) / 1000000;
+
+ ath6kl_wmi_create_pstream_cmd(ar->wmi, vif->fw_vif_idx, &pstream);
+
+ return count;
+}
+
+static const struct file_operations fops_create_qos = {
+ .write = ath6kl_create_qos_write,
+ .open = simple_open,
+ .owner = THIS_MODULE,
+ .llseek = default_llseek,
+};
+
+static ssize_t ath6kl_delete_qos_write(struct file *file,
+ const char __user *user_buf,
+ size_t count, loff_t *ppos)
+{
+ struct ath6kl *ar = file->private_data;
+ struct ath6kl_vif *vif;
+ char buf[100];
+ ssize_t len;
+ char *sptr, *token;
+ u8 traffic_class;
+ u8 tsid;
+
+ vif = ath6kl_vif_first(ar);
+ if (!vif)
+ return -EIO;
+
+ len = min(count, sizeof(buf) - 1);
+ if (copy_from_user(buf, user_buf, len))
+ return -EFAULT;
+ buf[len] = '\0';
+ sptr = buf;
+
+ token = strsep(&sptr, " ");
+ if (!token)
+ return -EINVAL;
+ if (kstrtou8(token, 0, &traffic_class))
+ return -EINVAL;
+
+ token = strsep(&sptr, " ");
+ if (!token)
+ return -EINVAL;
+ if (kstrtou8(token, 0, &tsid))
+ return -EINVAL;
+
+ ath6kl_wmi_delete_pstream_cmd(ar->wmi, vif->fw_vif_idx,
+ traffic_class, tsid);
+
+ return count;
+}
+
+static const struct file_operations fops_delete_qos = {
+ .write = ath6kl_delete_qos_write,
+ .open = simple_open,
+ .owner = THIS_MODULE,
+ .llseek = default_llseek,
+};
+
+static ssize_t ath6kl_bgscan_int_write(struct file *file,
+ const char __user *user_buf,
+ size_t count, loff_t *ppos)
+{
+ struct ath6kl *ar = file->private_data;
+ struct ath6kl_vif *vif;
+ u16 bgscan_int;
+ char buf[32];
+ ssize_t len;
+
+ vif = ath6kl_vif_first(ar);
+ if (!vif)
+ return -EIO;
+
+ len = min(count, sizeof(buf) - 1);
+ if (copy_from_user(buf, user_buf, len))
+ return -EFAULT;
+
+ buf[len] = '\0';
+ if (kstrtou16(buf, 0, &bgscan_int))
+ return -EINVAL;
+
+ if (bgscan_int == 0)
+ bgscan_int = 0xffff;
+
+ vif->bg_scan_period = bgscan_int;
+
+ ath6kl_wmi_scanparams_cmd(ar->wmi, 0, 0, 0, bgscan_int, 0, 0, 0, 3,
+ 0, 0, 0);
+
+ return count;
+}
+
+static const struct file_operations fops_bgscan_int = {
+ .write = ath6kl_bgscan_int_write,
+ .open = simple_open,
+ .owner = THIS_MODULE,
+ .llseek = default_llseek,
+};
+
+static ssize_t ath6kl_listen_int_write(struct file *file,
+ const char __user *user_buf,
+ size_t count, loff_t *ppos)
+{
+ struct ath6kl *ar = file->private_data;
+ struct ath6kl_vif *vif;
+ u16 listen_interval;
+ char buf[32];
+ ssize_t len;
+
+ vif = ath6kl_vif_first(ar);
+ if (!vif)
+ return -EIO;
+
+ len = min(count, sizeof(buf) - 1);
+ if (copy_from_user(buf, user_buf, len))
+ return -EFAULT;
+
+ buf[len] = '\0';
+ if (kstrtou16(buf, 0, &listen_interval))
+ return -EINVAL;
+
+ if ((listen_interval < 15) || (listen_interval > 3000))
+ return -EINVAL;
+
+ vif->listen_intvl_t = listen_interval;
+ ath6kl_wmi_listeninterval_cmd(ar->wmi, vif->fw_vif_idx,
+ vif->listen_intvl_t, 0);
+
+ return count;
+}
+
+static ssize_t ath6kl_listen_int_read(struct file *file,
+ char __user *user_buf,
+ size_t count, loff_t *ppos)
+{
+ struct ath6kl *ar = file->private_data;
+ struct ath6kl_vif *vif;
+ char buf[32];
+ int len;
+
+ vif = ath6kl_vif_first(ar);
+ if (!vif)
+ return -EIO;
+
+ len = scnprintf(buf, sizeof(buf), "%u\n", vif->listen_intvl_t);
+
+ return simple_read_from_buffer(user_buf, count, ppos, buf, len);
+}
+
+static const struct file_operations fops_listen_int = {
+ .read = ath6kl_listen_int_read,
+ .write = ath6kl_listen_int_write,
+ .open = simple_open,
+ .owner = THIS_MODULE,
+ .llseek = default_llseek,
+};
+
+static ssize_t ath6kl_power_params_write(struct file *file,
+ const char __user *user_buf,
+ size_t count, loff_t *ppos)
+{
+ struct ath6kl *ar = file->private_data;
+ u8 buf[100];
+ unsigned int len = 0;
+ char *sptr, *token;
+ u16 idle_period, ps_poll_num, dtim,
+ tx_wakeup, num_tx;
+
+ len = min(count, sizeof(buf) - 1);
+ if (copy_from_user(buf, user_buf, len))
+ return -EFAULT;
+ buf[len] = '\0';
+ sptr = buf;
+
+ token = strsep(&sptr, " ");
+ if (!token)
+ return -EINVAL;
+ if (kstrtou16(token, 0, &idle_period))
+ return -EINVAL;
+
+ token = strsep(&sptr, " ");
+ if (!token)
+ return -EINVAL;
+ if (kstrtou16(token, 0, &ps_poll_num))
+ return -EINVAL;
+
+ token = strsep(&sptr, " ");
+ if (!token)
+ return -EINVAL;
+ if (kstrtou16(token, 0, &dtim))
+ return -EINVAL;
+
+ token = strsep(&sptr, " ");
+ if (!token)
+ return -EINVAL;
+ if (kstrtou16(token, 0, &tx_wakeup))
+ return -EINVAL;
+
+ token = strsep(&sptr, " ");
+ if (!token)
+ return -EINVAL;
+ if (kstrtou16(token, 0, &num_tx))
+ return -EINVAL;
+
+ ath6kl_wmi_pmparams_cmd(ar->wmi, 0, idle_period, ps_poll_num,
+ dtim, tx_wakeup, num_tx, 0);
+
+ return count;
+}
+
+static const struct file_operations fops_power_params = {
+ .write = ath6kl_power_params_write,
+ .open = simple_open,
+ .owner = THIS_MODULE,
+ .llseek = default_llseek,
+};
+
+void ath6kl_debug_init(struct ath6kl *ar)
+{
+ skb_queue_head_init(&ar->debug.fwlog_queue);
+ init_completion(&ar->debug.fwlog_completion);
+
+ /*
+ * Actually we are lying here but don't know how to read the mask
+ * value from the firmware.
+ */
+ ar->debug.fwlog_mask = 0;
+}
+
+/*
+ * Initialisation needs to happen in two stages as fwlog events can come
+ * before cfg80211 is initialised, and debugfs depends on cfg80211
+ * initialisation.
+ */
+int ath6kl_debug_init_fs(struct ath6kl *ar)
+{
+ ar->debugfs_phy = debugfs_create_dir("ath6kl",
+ ar->wiphy->debugfsdir);
+ if (!ar->debugfs_phy)
+ return -ENOMEM;
+
+ debugfs_create_file("tgt_stats", 0400, ar->debugfs_phy, ar,
+ &fops_tgt_stats);
+
+ if (ar->hif_type == ATH6KL_HIF_TYPE_SDIO)
+ debugfs_create_file("credit_dist_stats", 0400,
+ ar->debugfs_phy, ar,
+ &fops_credit_dist_stats);
+
+ debugfs_create_file("endpoint_stats", 0600,
+ ar->debugfs_phy, ar, &fops_endpoint_stats);
+
+ debugfs_create_file("fwlog", 0400, ar->debugfs_phy, ar, &fops_fwlog);
+
+ debugfs_create_file("fwlog_block", 0400, ar->debugfs_phy, ar,
+ &fops_fwlog_block);
+
+ debugfs_create_file("fwlog_mask", 0600, ar->debugfs_phy,
+ ar, &fops_fwlog_mask);
+
+ debugfs_create_file("reg_addr", 0600, ar->debugfs_phy, ar,
+ &fops_diag_reg_read);
+
+ debugfs_create_file("reg_dump", 0400, ar->debugfs_phy, ar,
+ &fops_reg_dump);
+
+ debugfs_create_file("lrssi_roam_threshold", 0600,
+ ar->debugfs_phy, ar, &fops_lrssi_roam_threshold);
+
+ debugfs_create_file("reg_write", 0600,
+ ar->debugfs_phy, ar, &fops_diag_reg_write);
+
+ debugfs_create_file("war_stats", 0400, ar->debugfs_phy, ar,
+ &fops_war_stats);
+
+ debugfs_create_file("roam_table", 0400, ar->debugfs_phy, ar,
+ &fops_roam_table);
+
+ debugfs_create_file("force_roam", 0200, ar->debugfs_phy, ar,
+ &fops_force_roam);
+
+ debugfs_create_file("roam_mode", 0200, ar->debugfs_phy, ar,
+ &fops_roam_mode);
+
+ debugfs_create_file("keepalive", 0600, ar->debugfs_phy, ar,
+ &fops_keepalive);
+
+ debugfs_create_file("disconnect_timeout", 0600,
+ ar->debugfs_phy, ar, &fops_disconnect_timeout);
+
+ debugfs_create_file("create_qos", 0200, ar->debugfs_phy, ar,
+ &fops_create_qos);
+
+ debugfs_create_file("delete_qos", 0200, ar->debugfs_phy, ar,
+ &fops_delete_qos);
+
+ debugfs_create_file("bgscan_interval", 0200,
+ ar->debugfs_phy, ar, &fops_bgscan_int);
+
+ debugfs_create_file("listen_interval", 0600,
+ ar->debugfs_phy, ar, &fops_listen_int);
+
+ debugfs_create_file("power_params", 0200, ar->debugfs_phy, ar,
+ &fops_power_params);
+
+ return 0;
+}
+
+void ath6kl_debug_cleanup(struct ath6kl *ar)
+{
+ skb_queue_purge(&ar->debug.fwlog_queue);
+ complete(&ar->debug.fwlog_completion);
+ kfree(ar->debug.roam_tbl);
+}
+
+#endif