From: Tomas Winkler <tomas.winkler@xxxxxxxxx>
This patch adds functionality to debugfs to enable or disable chain
noise or sensitivity calibrations.
Signed-off-by: Tomas Winkler <tomas.winkler@xxxxxxxxx>
Signed-off-by: Emmanuel Grumbach <emmanuel.grumbach@xxxxxxxxx>
---
drivers/net/wireless/iwlwifi/iwl-calib.c | 9 +++++++++
drivers/net/wireless/iwlwifi/iwl-calib.h | 4 +++-
drivers/net/wireless/iwlwifi/iwl-debug.h | 9 ++++++++-
drivers/net/wireless/iwlwifi/iwl-debugfs.c | 20 +++++++++++++++++++-
drivers/net/wireless/iwlwifi/iwl-dev.h | 6 +++++-
5 files changed, 44 insertions(+), 4 deletions(-)
diff --git a/drivers/net/wireless/iwlwifi/iwl-calib.c b/drivers/net/wireless/iwlwifi/iwl-calib.c
index 1289d4c..beb9716 100644
--- a/drivers/net/wireless/iwlwifi/iwl-calib.c
+++ b/drivers/net/wireless/iwlwifi/iwl-calib.c
@@ -426,6 +426,9 @@ void iwl_init_sensitivity(struct iwl_priv *priv)
struct iwl_sensitivity_data *data = NULL;
const struct iwl_sensitivity_ranges *ranges = priv->hw_params.sens;
+ if (priv->disable_sens_cal)
+ return;
+
IWL_DEBUG_CALIB("Start iwl_init_sensitivity\n");
/* Clear driver's sensitivity algo data */
@@ -486,6 +489,9 @@ void iwl_sensitivity_calibration(struct iwl_priv *priv,
unsigned long flags;
struct statistics_general_data statis;
+ if (priv->disable_sens_cal)
+ return;
+
data = &(priv->sensitivity_data);
if (!iwl_is_associated(priv)) {
@@ -608,6 +614,9 @@ void iwl_chain_noise_calibration(struct iwl_priv *priv,
unsigned long flags;
struct statistics_rx_non_phy *rx_info = &(stat_resp->rx.general);
+ if (priv->disable_chain_noise_cal)
+ return;
+
data = &(priv->chain_noise_data);
/* Accumulate just the first 20 beacons after the first association,
diff --git a/drivers/net/wireless/iwlwifi/iwl-calib.h b/drivers/net/wireless/iwlwifi/iwl-calib.h
index 933b0b0..e690668 100644
--- a/drivers/net/wireless/iwlwifi/iwl-calib.h
+++ b/drivers/net/wireless/iwlwifi/iwl-calib.h
@@ -81,7 +81,9 @@ void iwl_init_sensitivity(struct iwl_priv *priv);
static inline void iwl_chain_noise_reset(struct iwl_priv *priv)
{
- if (priv->cfg->ops->utils->chain_noise_reset)
+
+ if (!priv->disable_chain_noise_cal &&
+ priv->cfg->ops->utils->chain_noise_reset)
priv->cfg->ops->utils->chain_noise_reset(priv);
}
#else
diff --git a/drivers/net/wireless/iwlwifi/iwl-debug.h b/drivers/net/wireless/iwlwifi/iwl-debug.h
index 2f24594..c3f8e90 100644
--- a/drivers/net/wireless/iwlwifi/iwl-debug.h
+++ b/drivers/net/wireless/iwlwifi/iwl-debug.h
@@ -45,13 +45,20 @@ struct iwl_debugfs {
const char *name;
struct dentry *dir_drv;
struct dentry *dir_data;
- struct dir_data_files{
+ struct dentry *dir_rf;
+ struct dir_data_files {
struct dentry *file_sram;
struct dentry *file_eeprom;
struct dentry *file_stations;
struct dentry *file_rx_statistics;
struct dentry *file_tx_statistics;
} dbgfs_data_files;
+ struct dir_rf_files {
+#ifdef CONFIG_IWLWIFI_RUN_TIME_CALIB
+ struct dentry *file_disable_sensitivity;
+ struct dentry *file_disable_chain_noise;
+#endif /* CONFIG_IWLWIFI_RUN_TIME_CALIB */
+ } dbgfs_rf_files;
u32 sram_offset;
u32 sram_len;
};
diff --git a/drivers/net/wireless/iwlwifi/iwl-debugfs.c b/drivers/net/wireless/iwlwifi/iwl-debugfs.c
index ad25806..f7ec200 100644
--- a/drivers/net/wireless/iwlwifi/iwl-debugfs.c
+++ b/drivers/net/wireless/iwlwifi/iwl-debugfs.c
@@ -55,6 +55,13 @@
goto err; \
} while (0)
+#define DEBUGFS_ADD_BOOL(name, parent, ptr) do { \
+ dbgfs->dbgfs_##parent##_files.file_##name = \
+ debugfs_create_bool(#name, 0644, dbgfs->dir_##parent, ptr); \
+ if (IS_ERR(dbgfs->dbgfs_##parent##_files.file_##name)) \
+ goto err; \
+} while (0)
+
#define DEBUGFS_REMOVE(name) do { \
debugfs_remove(name); \
name = NULL; \
@@ -344,12 +351,17 @@ int iwl_dbgfs_register(struct iwl_priv *priv, const char *name)
}
DEBUGFS_ADD_DIR(data, dbgfs->dir_drv);
+ DEBUGFS_ADD_DIR(rf, dbgfs->dir_drv);
DEBUGFS_ADD_FILE(eeprom, data);
DEBUGFS_ADD_FILE(sram, data);
DEBUGFS_ADD_FILE(stations, data);
DEBUGFS_ADD_FILE(rx_statistics, data);
DEBUGFS_ADD_FILE(tx_statistics, data);
-
+#ifdef CONFIG_IWLWIFI_RUN_TIME_CALIB
+ DEBUGFS_ADD_BOOL(disable_sensitivity, rf, &priv->disable_sens_cal);
+ DEBUGFS_ADD_BOOL(disable_chain_noise, rf,
+ &priv->disable_chain_noise_cal);
+#endif /* CONFIG_IWLWIFI_RUN_TIME_CALIB */
return 0;
err:
@@ -374,6 +386,11 @@ void iwl_dbgfs_unregister(struct iwl_priv *priv)
DEBUGFS_REMOVE(priv->dbgfs->dbgfs_data_files.file_sram);
DEBUGFS_REMOVE(priv->dbgfs->dbgfs_data_files.file_stations);
DEBUGFS_REMOVE(priv->dbgfs->dir_data);
+#ifdef CONFIG_IWLWIFI_RUN_TIME_CALIB
+ DEBUGFS_REMOVE(priv->dbgfs->dbgfs_rf_files.file_disable_sensitivity);
+ DEBUGFS_REMOVE(priv->dbgfs->dbgfs_rf_files.file_disable_chain_noise);
+#endif /* CONFIG_IWLWIFI_RUN_TIME_CALIB */
+ DEBUGFS_REMOVE(priv->dbgfs->dir_rf);
DEBUGFS_REMOVE(priv->dbgfs->dir_drv);
kfree(priv->dbgfs);
priv->dbgfs = NULL;
@@ -381,3 +398,4 @@ void iwl_dbgfs_unregister(struct iwl_priv *priv)
EXPORT_SYMBOL(iwl_dbgfs_unregister);
+
diff --git a/drivers/net/wireless/iwlwifi/iwl-dev.h b/drivers/net/wireless/iwlwifi/iwl-dev.h
index b1ff0af..820542b 100644
--- a/drivers/net/wireless/iwlwifi/iwl-dev.h
+++ b/drivers/net/wireless/iwlwifi/iwl-dev.h
@@ -1212,9 +1212,13 @@ struct iwl_priv {
#endif /* CONFIG_IWLWIFI_DEBUG */
struct work_struct txpower_work;
+#ifdef CONFIG_IWLWIFI_RUN_TIME_CALIB
+ u32 disable_sens_cal;
+ u32 disable_chain_noise_cal;
+#endif /* CONFIG_IWLWIFI_RUN_TIME_CALIB */
#ifdef CONFIG_IWL4965_RUN_TIME_CALIB
struct work_struct sensitivity_work;
-#endif
+#endif /* CONFIG_IWL4965_RUN_TIME_CALIB */
struct timer_list statistics_periodic;
}; /*iwl_priv */
--
1.5.3.6
--
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