| /* |
| * 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 CPTCFG_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 = (struct ath6kl_fwlog_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 chache 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; |
| |
| if (kstrtoul_from_user(user_buf, count, 0, &lrssi_roam_threshold)) |
| return -EINVAL; |
| |
| ar->lrssi_roam_threshold = lrssi_roam_threshold; |
| |
| ath6kl_wmi_set_roam_lrssi_cmd(ar->wmi, ar->lrssi_roam_threshold); |
| |
| 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 (sizeof(*tbl) + num_entries * sizeof(struct wmi_bss_roam_info) > |
| 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", S_IRUSR, ar->debugfs_phy, ar, |
| &fops_tgt_stats); |
| |
| if (ar->hif_type == ATH6KL_HIF_TYPE_SDIO) |
| debugfs_create_file("credit_dist_stats", S_IRUSR, |
| ar->debugfs_phy, ar, |
| &fops_credit_dist_stats); |
| |
| debugfs_create_file("endpoint_stats", S_IRUSR | S_IWUSR, |
| ar->debugfs_phy, ar, &fops_endpoint_stats); |
| |
| debugfs_create_file("fwlog", S_IRUSR, ar->debugfs_phy, ar, |
| &fops_fwlog); |
| |
| debugfs_create_file("fwlog_block", S_IRUSR, ar->debugfs_phy, ar, |
| &fops_fwlog_block); |
| |
| debugfs_create_file("fwlog_mask", S_IRUSR | S_IWUSR, ar->debugfs_phy, |
| ar, &fops_fwlog_mask); |
| |
| debugfs_create_file("reg_addr", S_IRUSR | S_IWUSR, ar->debugfs_phy, ar, |
| &fops_diag_reg_read); |
| |
| debugfs_create_file("reg_dump", S_IRUSR, ar->debugfs_phy, ar, |
| &fops_reg_dump); |
| |
| debugfs_create_file("lrssi_roam_threshold", S_IRUSR | S_IWUSR, |
| ar->debugfs_phy, ar, &fops_lrssi_roam_threshold); |
| |
| debugfs_create_file("reg_write", S_IRUSR | S_IWUSR, |
| ar->debugfs_phy, ar, &fops_diag_reg_write); |
| |
| debugfs_create_file("war_stats", S_IRUSR, ar->debugfs_phy, ar, |
| &fops_war_stats); |
| |
| debugfs_create_file("roam_table", S_IRUSR, ar->debugfs_phy, ar, |
| &fops_roam_table); |
| |
| debugfs_create_file("force_roam", S_IWUSR, ar->debugfs_phy, ar, |
| &fops_force_roam); |
| |
| debugfs_create_file("roam_mode", S_IWUSR, ar->debugfs_phy, ar, |
| &fops_roam_mode); |
| |
| debugfs_create_file("keepalive", S_IRUSR | S_IWUSR, ar->debugfs_phy, ar, |
| &fops_keepalive); |
| |
| debugfs_create_file("disconnect_timeout", S_IRUSR | S_IWUSR, |
| ar->debugfs_phy, ar, &fops_disconnect_timeout); |
| |
| debugfs_create_file("create_qos", S_IWUSR, ar->debugfs_phy, ar, |
| &fops_create_qos); |
| |
| debugfs_create_file("delete_qos", S_IWUSR, ar->debugfs_phy, ar, |
| &fops_delete_qos); |
| |
| debugfs_create_file("bgscan_interval", S_IWUSR, |
| ar->debugfs_phy, ar, &fops_bgscan_int); |
| |
| debugfs_create_file("listen_interval", S_IRUSR | S_IWUSR, |
| ar->debugfs_phy, ar, &fops_listen_int); |
| |
| debugfs_create_file("power_params", S_IWUSR, 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 |