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Commit 25870cb7 authored by Matti Gottlieb's avatar Matti Gottlieb Committed by Emmanuel Grumbach
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iwlwifi: mvm: Add debugfs entry for Tx power limit 



Add debugfs entry for showing the different Tx power restrictions that are
caused due to various reasons.

Signed-off-by: default avatarMatti Gottlieb <matti.gottlieb@intel.com>
Signed-off-by: default avatarEmmanuel Grumbach <emmanuel.grumbach@intel.com>
parent 47dbab26

drivers/net/wireless/iwlwifi/mvm/debugfs-vif.c

+19 −2
Original line number Diff line number Diff line
@@ -6,7 +6,7 @@ 
 * GPL LICENSE SUMMARY

 *

 * Copyright(c) 2012 - 2014 Intel Corporation. All rights reserved.

 * Copyright(c) 2013 - 2014 Intel Mobile Communications GmbH

 * Copyright(c) 2013 - 2015 Intel Mobile Communications GmbH

 *

 * This program is free software; you can redistribute it and/or modify

 * it under the terms of version 2 of the GNU General Public License as
@@ -32,7 +32,7 @@ 
 * BSD LICENSE

 *

 * Copyright(c) 2012 - 2014 Intel Corporation. All rights reserved.

 * Copyright(c) 2013 - 2014 Intel Mobile Communications GmbH

 * Copyright(c) 2013 - 2015 Intel Mobile Communications GmbH

 * All rights reserved.

 *

 * Redistribution and use in source and binary forms, with or without
@@ -190,6 +190,21 @@ static ssize_t iwl_dbgfs_pm_params_write(struct ieee80211_vif *vif, char *buf, 
	return ret ?: count;

}



static ssize_t iwl_dbgfs_tx_pwr_lmt_read(struct file *file,

					 char __user *user_buf,

					 size_t count, loff_t *ppos)

{

	struct ieee80211_vif *vif = file->private_data;

	char buf[64];

	int bufsz = sizeof(buf);

	int pos;



	pos = scnprintf(buf, bufsz, "bss limit = %d\n",

			vif->bss_conf.txpower);



	return simple_read_from_buffer(user_buf, count, ppos, buf, pos);

}



static ssize_t iwl_dbgfs_pm_params_read(struct file *file,

					char __user *user_buf,

					size_t count, loff_t *ppos)
@@ -607,6 +622,7 @@ static ssize_t iwl_dbgfs_rx_phyinfo_read(struct file *file, 
	} while (0)



MVM_DEBUGFS_READ_FILE_OPS(mac_params);

MVM_DEBUGFS_READ_FILE_OPS(tx_pwr_lmt);

MVM_DEBUGFS_READ_WRITE_FILE_OPS(pm_params, 32);

MVM_DEBUGFS_READ_WRITE_FILE_OPS(bf_params, 256);

MVM_DEBUGFS_READ_WRITE_FILE_OPS(low_latency, 10);
@@ -641,6 +657,7 @@ void iwl_mvm_vif_dbgfs_register(struct iwl_mvm *mvm, struct ieee80211_vif *vif) 
		MVM_DEBUGFS_ADD_FILE_VIF(pm_params, mvmvif->dbgfs_dir, S_IWUSR |

					 S_IRUSR);



	MVM_DEBUGFS_ADD_FILE_VIF(tx_pwr_lmt, mvmvif->dbgfs_dir, S_IRUSR);

	MVM_DEBUGFS_ADD_FILE_VIF(mac_params, mvmvif->dbgfs_dir, S_IRUSR);

	MVM_DEBUGFS_ADD_FILE_VIF(low_latency, mvmvif->dbgfs_dir,

				 S_IRUSR | S_IWUSR);