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path: root/drivers/net/wireless/iwlwifi/iwl-debugfs.c
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Diffstat (limited to 'drivers/net/wireless/iwlwifi/iwl-debugfs.c')
-rw-r--r--drivers/net/wireless/iwlwifi/iwl-debugfs.c60
1 files changed, 58 insertions, 2 deletions
diff --git a/drivers/net/wireless/iwlwifi/iwl-debugfs.c b/drivers/net/wireless/iwlwifi/iwl-debugfs.c
index d134301b553c..7bf44f146799 100644
--- a/drivers/net/wireless/iwlwifi/iwl-debugfs.c
+++ b/drivers/net/wireless/iwlwifi/iwl-debugfs.c
@@ -530,8 +530,6 @@ static ssize_t iwl_dbgfs_status_read(struct file *file,
pos += scnprintf(buf + pos, bufsz - pos, "STATUS_HCMD_ACTIVE:\t %d\n",
test_bit(STATUS_HCMD_ACTIVE, &priv->status));
- pos += scnprintf(buf + pos, bufsz - pos, "STATUS_HCMD_SYNC_ACTIVE: %d\n",
- test_bit(STATUS_HCMD_SYNC_ACTIVE, &priv->status));
pos += scnprintf(buf + pos, bufsz - pos, "STATUS_INT_ENABLED:\t %d\n",
test_bit(STATUS_INT_ENABLED, &priv->status));
pos += scnprintf(buf + pos, bufsz - pos, "STATUS_RF_KILL_HW:\t %d\n",
@@ -2223,6 +2221,62 @@ static ssize_t iwl_dbgfs_plcp_delta_write(struct file *file,
return count;
}
+static ssize_t iwl_dbgfs_force_reset_read(struct file *file,
+ char __user *user_buf,
+ size_t count, loff_t *ppos) {
+
+ struct iwl_priv *priv = file->private_data;
+ int i, pos = 0;
+ char buf[300];
+ const size_t bufsz = sizeof(buf);
+ struct iwl_force_reset *force_reset;
+
+ for (i = 0; i < IWL_MAX_FORCE_RESET; i++) {
+ force_reset = &priv->force_reset[i];
+ pos += scnprintf(buf + pos, bufsz - pos,
+ "Force reset method %d\n", i);
+ pos += scnprintf(buf + pos, bufsz - pos,
+ "\tnumber of reset request: %d\n",
+ force_reset->reset_request_count);
+ pos += scnprintf(buf + pos, bufsz - pos,
+ "\tnumber of reset request success: %d\n",
+ force_reset->reset_success_count);
+ pos += scnprintf(buf + pos, bufsz - pos,
+ "\tnumber of reset request reject: %d\n",
+ force_reset->reset_reject_count);
+ pos += scnprintf(buf + pos, bufsz - pos,
+ "\treset duration: %lu\n",
+ force_reset->reset_duration);
+ }
+ return simple_read_from_buffer(user_buf, count, ppos, buf, pos);
+}
+
+static ssize_t iwl_dbgfs_force_reset_write(struct file *file,
+ const char __user *user_buf,
+ size_t count, loff_t *ppos) {
+
+ struct iwl_priv *priv = file->private_data;
+ char buf[8];
+ int buf_size;
+ int reset, ret;
+
+ memset(buf, 0, sizeof(buf));
+ buf_size = min(count, sizeof(buf) - 1);
+ if (copy_from_user(buf, user_buf, buf_size))
+ return -EFAULT;
+ if (sscanf(buf, "%d", &reset) != 1)
+ return -EINVAL;
+ switch (reset) {
+ case IWL_RF_RESET:
+ case IWL_FW_RESET:
+ ret = iwl_force_reset(priv, reset);
+ break;
+ default:
+ return -EINVAL;
+ }
+ return ret ? ret : count;
+}
+
DEBUGFS_READ_FILE_OPS(rx_statistics);
DEBUGFS_READ_FILE_OPS(tx_statistics);
DEBUGFS_READ_WRITE_FILE_OPS(traffic_log);
@@ -2243,6 +2297,7 @@ DEBUGFS_READ_FILE_OPS(fh_reg);
DEBUGFS_READ_WRITE_FILE_OPS(missed_beacon);
DEBUGFS_WRITE_FILE_OPS(internal_scan);
DEBUGFS_READ_WRITE_FILE_OPS(plcp_delta);
+DEBUGFS_READ_WRITE_FILE_OPS(force_reset);
/*
* Create the debugfs files and directories
@@ -2296,6 +2351,7 @@ int iwl_dbgfs_register(struct iwl_priv *priv, const char *name)
DEBUGFS_ADD_FILE(missed_beacon, dir_debug, S_IWUSR);
DEBUGFS_ADD_FILE(internal_scan, dir_debug, S_IWUSR);
DEBUGFS_ADD_FILE(plcp_delta, dir_debug, S_IWUSR | S_IRUSR);
+ DEBUGFS_ADD_FILE(force_reset, dir_debug, S_IWUSR | S_IRUSR);
if ((priv->hw_rev & CSR_HW_REV_TYPE_MSK) != CSR_HW_REV_TYPE_3945) {
DEBUGFS_ADD_FILE(ucode_rx_stats, dir_debug, S_IRUSR);
DEBUGFS_ADD_FILE(ucode_tx_stats, dir_debug, S_IRUSR);