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path: root/drivers/net/wireless/ath/ath10k/debug.c
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Diffstat (limited to 'drivers/net/wireless/ath/ath10k/debug.c')
-rw-r--r--drivers/net/wireless/ath/ath10k/debug.c102
1 files changed, 64 insertions, 38 deletions
diff --git a/drivers/net/wireless/ath/ath10k/debug.c b/drivers/net/wireless/ath/ath10k/debug.c
index f3f0a80f8bab..3756feba3223 100644
--- a/drivers/net/wireless/ath/ath10k/debug.c
+++ b/drivers/net/wireless/ath/ath10k/debug.c
@@ -117,7 +117,7 @@ int ath10k_info(struct ath10k *ar, const char *fmt, ...)
va_start(args, fmt);
vaf.va = &args;
ret = dev_info(ar->dev, "%pV", &vaf);
- trace_ath10k_log_info(&vaf);
+ trace_ath10k_log_info(ar, &vaf);
va_end(args);
return ret;
@@ -134,11 +134,12 @@ void ath10k_print_driver_info(struct ath10k *ar)
ar->fw_api,
ar->htt.target_version_major,
ar->htt.target_version_minor);
- ath10k_info(ar, "debug %d debugfs %d tracing %d dfs %d\n",
+ ath10k_info(ar, "debug %d debugfs %d tracing %d dfs %d testmode %d\n",
config_enabled(CONFIG_ATH10K_DEBUG),
config_enabled(CONFIG_ATH10K_DEBUGFS),
config_enabled(CONFIG_ATH10K_TRACING),
- config_enabled(CONFIG_ATH10K_DFS_CERTIFIED));
+ config_enabled(CONFIG_ATH10K_DFS_CERTIFIED),
+ config_enabled(CONFIG_NL80211_TESTMODE));
}
EXPORT_SYMBOL(ath10k_print_driver_info);
@@ -153,7 +154,7 @@ int ath10k_err(struct ath10k *ar, const char *fmt, ...)
va_start(args, fmt);
vaf.va = &args;
ret = dev_err(ar->dev, "%pV", &vaf);
- trace_ath10k_log_err(&vaf);
+ trace_ath10k_log_err(ar, &vaf);
va_end(args);
return ret;
@@ -170,7 +171,7 @@ int ath10k_warn(struct ath10k *ar, const char *fmt, ...)
va_start(args, fmt);
vaf.va = &args;
dev_warn_ratelimited(ar->dev, "%pV", &vaf);
- trace_ath10k_log_warn(&vaf);
+ trace_ath10k_log_warn(ar, &vaf);
va_end(args);
@@ -208,7 +209,7 @@ static ssize_t ath10k_read_wmi_services(struct file *file,
if (len > buf_len)
len = buf_len;
- for (i = 0; i < WMI_MAX_SERVICE; i++) {
+ for (i = 0; i < WMI_SERVICE_MAX; i++) {
enabled = test_bit(i, ar->debug.wmi_service_bitmap);
name = wmi_service_name(i);
@@ -564,16 +565,35 @@ static const struct file_operations fops_fw_stats = {
.llseek = default_llseek,
};
+/* This is a clean assert crash in firmware. */
+static int ath10k_debug_fw_assert(struct ath10k *ar)
+{
+ struct wmi_vdev_install_key_cmd *cmd;
+ struct sk_buff *skb;
+
+ skb = ath10k_wmi_alloc_skb(ar, sizeof(*cmd) + 16);
+ if (!skb)
+ return -ENOMEM;
+
+ cmd = (struct wmi_vdev_install_key_cmd *)skb->data;
+ memset(cmd, 0, sizeof(*cmd));
+
+ /* big enough number so that firmware asserts */
+ cmd->vdev_id = __cpu_to_le32(0x7ffe);
+
+ return ath10k_wmi_cmd_send(ar, skb,
+ ar->wmi.cmd->vdev_install_key_cmdid);
+}
+
static ssize_t ath10k_read_simulate_fw_crash(struct file *file,
char __user *user_buf,
size_t count, loff_t *ppos)
{
- const char buf[] = "To simulate firmware crash write one of the"
- " keywords to this file:\n `soft` - this will send"
- " WMI_FORCE_FW_HANG_ASSERT to firmware if FW"
- " supports that command.\n `hard` - this will send"
- " to firmware command with illegal parameters"
- " causing firmware crash.\n";
+ const char buf[] =
+ "To simulate firmware crash write one of the keywords to this file:\n"
+ "`soft` - this will send WMI_FORCE_FW_HANG_ASSERT to firmware if FW supports that command.\n"
+ "`hard` - this will send to firmware command with illegal parameters causing firmware crash.\n"
+ "`assert` - this will send special illegal parameter to firmware to cause assert failure and crash.\n";
return simple_read_from_buffer(user_buf, count, ppos, buf, strlen(buf));
}
@@ -621,7 +641,11 @@ static ssize_t ath10k_write_simulate_fw_crash(struct file *file,
* firmware variants in order to force a firmware crash.
*/
ret = ath10k_wmi_vdev_set_param(ar, 0x7fff,
- ar->wmi.vdev_param->rts_threshold, 0);
+ ar->wmi.vdev_param->rts_threshold,
+ 0);
+ } else if (!strcmp(buf, "assert")) {
+ ath10k_info(ar, "simulating firmware assert crash\n");
+ ret = ath10k_debug_fw_assert(ar);
} else {
ret = -EINVAL;
goto exit;
@@ -840,8 +864,8 @@ static void ath10k_debug_htt_stats_dwork(struct work_struct *work)
}
static ssize_t ath10k_read_htt_stats_mask(struct file *file,
- char __user *user_buf,
- size_t count, loff_t *ppos)
+ char __user *user_buf,
+ size_t count, loff_t *ppos)
{
struct ath10k *ar = file->private_data;
char buf[32];
@@ -853,8 +877,8 @@ static ssize_t ath10k_read_htt_stats_mask(struct file *file,
}
static ssize_t ath10k_write_htt_stats_mask(struct file *file,
- const char __user *user_buf,
- size_t count, loff_t *ppos)
+ const char __user *user_buf,
+ size_t count, loff_t *ppos)
{
struct ath10k *ar = file->private_data;
unsigned long mask;
@@ -959,8 +983,8 @@ static const struct file_operations fops_htt_max_amsdu_ampdu = {
};
static ssize_t ath10k_read_fw_dbglog(struct file *file,
- char __user *user_buf,
- size_t count, loff_t *ppos)
+ char __user *user_buf,
+ size_t count, loff_t *ppos)
{
struct ath10k *ar = file->private_data;
unsigned int len;
@@ -1132,19 +1156,28 @@ static const struct file_operations fops_dfs_stats = {
int ath10k_debug_create(struct ath10k *ar)
{
- int ret;
-
ar->debug.fw_crash_data = vzalloc(sizeof(*ar->debug.fw_crash_data));
- if (!ar->debug.fw_crash_data) {
- ret = -ENOMEM;
- goto err;
- }
+ if (!ar->debug.fw_crash_data)
+ return -ENOMEM;
+ return 0;
+}
+
+void ath10k_debug_destroy(struct ath10k *ar)
+{
+ vfree(ar->debug.fw_crash_data);
+ ar->debug.fw_crash_data = NULL;
+}
+
+int ath10k_debug_register(struct ath10k *ar)
+{
ar->debug.debugfs_phy = debugfs_create_dir("ath10k",
ar->hw->wiphy->debugfsdir);
- if (!ar->debug.debugfs_phy) {
- ret = -ENOMEM;
- goto err_free_fw_crash_data;
+ if (IS_ERR_OR_NULL(ar->debug.debugfs_phy)) {
+ if (IS_ERR(ar->debug.debugfs_phy))
+ return PTR_ERR(ar->debug.debugfs_phy);
+
+ return -ENOMEM;
}
INIT_DELAYED_WORK(&ar->debug.htt_stats_dwork,
@@ -1192,17 +1225,10 @@ int ath10k_debug_create(struct ath10k *ar)
}
return 0;
-
-err_free_fw_crash_data:
- vfree(ar->debug.fw_crash_data);
-
-err:
- return ret;
}
-void ath10k_debug_destroy(struct ath10k *ar)
+void ath10k_debug_unregister(struct ath10k *ar)
{
- vfree(ar->debug.fw_crash_data);
cancel_delayed_work_sync(&ar->debug.htt_stats_dwork);
}
@@ -1223,7 +1249,7 @@ void ath10k_dbg(struct ath10k *ar, enum ath10k_debug_mask mask,
if (ath10k_debug_mask & mask)
dev_printk(KERN_DEBUG, ar->dev, "%pV", &vaf);
- trace_ath10k_log_dbg(mask, &vaf);
+ trace_ath10k_log_dbg(ar, mask, &vaf);
va_end(args);
}
@@ -1242,7 +1268,7 @@ void ath10k_dbg_dump(struct ath10k *ar,
}
/* tracing code doesn't like null strings :/ */
- trace_ath10k_log_dbg_dump(msg ? msg : "", prefix ? prefix : "",
+ trace_ath10k_log_dbg_dump(ar, msg ? msg : "", prefix ? prefix : "",
buf, len);
}
EXPORT_SYMBOL(ath10k_dbg_dump);
Copyright © 1996 – 2023 Jason A. Donenfeld. All Rights Reverse Engineered.