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Commit 528c3126 authored by Wey-Yi Guy's avatar Wey-Yi Guy Committed by John W. Linville
Browse files

iwlwifi: add debugfs to monitor force reset parameters 



Adding debugfs file to monitor the counters and other
information related to "force_reset" request.

Signed-off-by: default avatarWey-Yi Guy <wey-yi.w.guy@intel.com>
Signed-off-by: default avatarReinette Chatre <reinette.chatre@intel.com>
Signed-off-by: default avatarJohn W. Linville <linville@tuxdriver.com>
parent 8a472da4

drivers/net/wireless/iwlwifi/iwl-debugfs.c

+32 −2
Original line number Diff line number Diff line
@@ -2221,6 +2221,36 @@ 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) {
@@ -2267,7 +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_WRITE_FILE_OPS(force_reset);

DEBUGFS_READ_WRITE_FILE_OPS(force_reset);



/*

 * Create the debugfs files and directories
@@ -2321,7 +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);

	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);