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-rw-r--r--drivers/net/wireless/iwlwifi/iwl-agn.c6
-rw-r--r--drivers/net/wireless/iwlwifi/iwl-calib.c2
-rw-r--r--drivers/net/wireless/iwlwifi/iwl-commands.h4
-rw-r--r--drivers/net/wireless/iwlwifi/iwl-core.c21
-rw-r--r--drivers/net/wireless/iwlwifi/iwl-core.h5
-rw-r--r--drivers/net/wireless/iwlwifi/iwl-debug.h1
-rw-r--r--drivers/net/wireless/iwlwifi/iwl-debugfs.c39
-rw-r--r--drivers/net/wireless/iwlwifi/iwl-power.c2
-rw-r--r--drivers/net/wireless/iwlwifi/iwl-rx.c18
-rw-r--r--drivers/net/wireless/iwlwifi/iwl3945-base.c2
10 files changed, 77 insertions, 23 deletions
diff --git a/drivers/net/wireless/iwlwifi/iwl-agn.c b/drivers/net/wireless/iwlwifi/iwl-agn.c
index 6532e9e6895..f586e7e8313 100644
--- a/drivers/net/wireless/iwlwifi/iwl-agn.c
+++ b/drivers/net/wireless/iwlwifi/iwl-agn.c
@@ -612,7 +612,7 @@ static void iwl_bg_statistics_periodic(unsigned long data)
if (!iwl_is_ready_rf(priv))
return;
- iwl_send_statistics_request(priv, CMD_ASYNC);
+ iwl_send_statistics_request(priv, CMD_ASYNC, false);
}
static void iwl_rx_beacon_notif(struct iwl_priv *priv,
@@ -729,7 +729,7 @@ static void iwl_setup_rx_handlers(struct iwl_priv *priv)
* statistics request from the host as well as for the periodic
* statistics notifications (after received beacons) from the uCode.
*/
- priv->rx_handlers[REPLY_STATISTICS_CMD] = iwl_rx_statistics;
+ priv->rx_handlers[REPLY_STATISTICS_CMD] = iwl_reply_statistics;
priv->rx_handlers[STATISTICS_NOTIFICATION] = iwl_rx_statistics;
iwl_setup_spectrum_handlers(priv);
@@ -2892,7 +2892,7 @@ static ssize_t show_statistics(struct device *d,
return -EAGAIN;
mutex_lock(&priv->mutex);
- rc = iwl_send_statistics_request(priv, 0);
+ rc = iwl_send_statistics_request(priv, CMD_SYNC, false);
mutex_unlock(&priv->mutex);
if (rc) {
diff --git a/drivers/net/wireless/iwlwifi/iwl-calib.c b/drivers/net/wireless/iwlwifi/iwl-calib.c
index d994de7438d..95a57b36a7e 100644
--- a/drivers/net/wireless/iwlwifi/iwl-calib.c
+++ b/drivers/net/wireless/iwlwifi/iwl-calib.c
@@ -900,7 +900,7 @@ void iwl_reset_run_time_calib(struct iwl_priv *priv)
/* Ask for statistics now, the uCode will send notification
* periodically after association */
- iwl_send_statistics_request(priv, CMD_ASYNC);
+ iwl_send_statistics_request(priv, CMD_ASYNC, true);
}
EXPORT_SYMBOL(iwl_reset_run_time_calib);
diff --git a/drivers/net/wireless/iwlwifi/iwl-commands.h b/drivers/net/wireless/iwlwifi/iwl-commands.h
index 2857287be4f..6e23a2b5cb8 100644
--- a/drivers/net/wireless/iwlwifi/iwl-commands.h
+++ b/drivers/net/wireless/iwlwifi/iwl-commands.h
@@ -3071,6 +3071,10 @@ struct statistics_general {
__le32 reserved3;
} __attribute__ ((packed));
+#define UCODE_STATISTICS_CLEAR_MSK (0x1 << 0)
+#define UCODE_STATISTICS_FREQUENCY_MSK (0x1 << 1)
+#define UCODE_STATISTICS_NARROW_BAND_MSK (0x1 << 2)
+
/*
* REPLY_STATISTICS_CMD = 0x9c,
* 3945 and 4965 identical.
diff --git a/drivers/net/wireless/iwlwifi/iwl-core.c b/drivers/net/wireless/iwlwifi/iwl-core.c
index d09e7481532..1736c60c3e2 100644
--- a/drivers/net/wireless/iwlwifi/iwl-core.c
+++ b/drivers/net/wireless/iwlwifi/iwl-core.c
@@ -1990,16 +1990,21 @@ int iwl_send_bt_config(struct iwl_priv *priv)
}
EXPORT_SYMBOL(iwl_send_bt_config);
-int iwl_send_statistics_request(struct iwl_priv *priv, u8 flags)
+int iwl_send_statistics_request(struct iwl_priv *priv, u8 flags, bool clear)
{
- u32 stat_flags = 0;
- struct iwl_host_cmd cmd = {
- .id = REPLY_STATISTICS_CMD,
- .flags = flags,
- .len = sizeof(stat_flags),
- .data = (u8 *) &stat_flags,
+ struct iwl_statistics_cmd statistics_cmd = {
+ .configuration_flags =
+ clear ? IWL_STATS_CONF_CLEAR_STATS : 0,
};
- return iwl_send_cmd(priv, &cmd);
+
+ if (flags & CMD_ASYNC)
+ return iwl_send_cmd_pdu_async(priv, REPLY_STATISTICS_CMD,
+ sizeof(struct iwl_statistics_cmd),
+ &statistics_cmd, NULL);
+ else
+ return iwl_send_cmd_pdu(priv, REPLY_STATISTICS_CMD,
+ sizeof(struct iwl_statistics_cmd),
+ &statistics_cmd);
}
EXPORT_SYMBOL(iwl_send_statistics_request);
diff --git a/drivers/net/wireless/iwlwifi/iwl-core.h b/drivers/net/wireless/iwlwifi/iwl-core.h
index 3f97036ac29..584a376b96c 100644
--- a/drivers/net/wireless/iwlwifi/iwl-core.h
+++ b/drivers/net/wireless/iwlwifi/iwl-core.h
@@ -425,6 +425,8 @@ void iwl_rx_missed_beacon_notif(struct iwl_priv *priv,
struct iwl_rx_mem_buffer *rxb);
void iwl_rx_statistics(struct iwl_priv *priv,
struct iwl_rx_mem_buffer *rxb);
+void iwl_reply_statistics(struct iwl_priv *priv,
+ struct iwl_rx_mem_buffer *rxb);
void iwl_rx_csa(struct iwl_priv *priv, struct iwl_rx_mem_buffer *rxb);
/* TX helpers */
@@ -669,7 +671,8 @@ static inline int iwl_is_ready_rf(struct iwl_priv *priv)
extern void iwl_rf_kill_ct_config(struct iwl_priv *priv);
extern int iwl_send_bt_config(struct iwl_priv *priv);
-extern int iwl_send_statistics_request(struct iwl_priv *priv, u8 flags);
+extern int iwl_send_statistics_request(struct iwl_priv *priv,
+ u8 flags, bool clear);
extern int iwl_verify_ucode(struct iwl_priv *priv);
extern int iwl_send_lq_cmd(struct iwl_priv *priv,
struct iwl_link_quality_cmd *lq, u8 flags);
diff --git a/drivers/net/wireless/iwlwifi/iwl-debug.h b/drivers/net/wireless/iwlwifi/iwl-debug.h
index 96c92eab692..25a0e73314f 100644
--- a/drivers/net/wireless/iwlwifi/iwl-debug.h
+++ b/drivers/net/wireless/iwlwifi/iwl-debug.h
@@ -107,6 +107,7 @@ struct iwl_debugfs {
struct dentry *file_chain_noise;
struct dentry *file_tx_power;
struct dentry *file_power_save_status;
+ struct dentry *file_clear_statistics;
} dbgfs_debug_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 8784911fd56..45a5edd1b1a 100644
--- a/drivers/net/wireless/iwlwifi/iwl-debugfs.c
+++ b/drivers/net/wireless/iwlwifi/iwl-debugfs.c
@@ -1042,10 +1042,6 @@ static ssize_t iwl_dbgfs_rx_queue_read(struct file *file,
return simple_read_from_buffer(user_buf, count, ppos, buf, pos);
}
-#define UCODE_STATISTICS_CLEAR_MSK (0x1 << 0)
-#define UCODE_STATISTICS_FREQUENCY_MSK (0x1 << 1)
-#define UCODE_STATISTICS_NARROW_BAND_MSK (0x1 << 2)
-
static int iwl_dbgfs_statistics_flag(struct iwl_priv *priv, char *buf,
int bufsz)
{
@@ -1092,7 +1088,7 @@ static ssize_t iwl_dbgfs_ucode_rx_stats_read(struct file *file,
/* make request to uCode to retrieve statistics information */
mutex_lock(&priv->mutex);
- ret = iwl_send_statistics_request(priv, 0);
+ ret = iwl_send_statistics_request(priv, CMD_SYNC, false);
mutex_unlock(&priv->mutex);
if (ret) {
@@ -1398,7 +1394,7 @@ static ssize_t iwl_dbgfs_ucode_tx_stats_read(struct file *file,
/* make request to uCode to retrieve statistics information */
mutex_lock(&priv->mutex);
- ret = iwl_send_statistics_request(priv, 0);
+ ret = iwl_send_statistics_request(priv, CMD_SYNC, false);
mutex_unlock(&priv->mutex);
if (ret) {
@@ -1542,7 +1538,7 @@ static ssize_t iwl_dbgfs_ucode_general_stats_read(struct file *file,
/* make request to uCode to retrieve statistics information */
mutex_lock(&priv->mutex);
- ret = iwl_send_statistics_request(priv, 0);
+ ret = iwl_send_statistics_request(priv, CMD_SYNC, false);
mutex_unlock(&priv->mutex);
if (ret) {
@@ -1770,7 +1766,7 @@ static ssize_t iwl_dbgfs_tx_power_read(struct file *file,
else {
/* make request to uCode to retrieve statistics information */
mutex_lock(&priv->mutex);
- ret = iwl_send_statistics_request(priv, 0);
+ ret = iwl_send_statistics_request(priv, CMD_SYNC, false);
mutex_unlock(&priv->mutex);
if (ret) {
@@ -1828,6 +1824,30 @@ static ssize_t iwl_dbgfs_power_save_status_read(struct file *file,
return simple_read_from_buffer(user_buf, count, ppos, buf, pos);
}
+static ssize_t iwl_dbgfs_clear_statistics_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 clear;
+
+ 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", &clear) != 1)
+ return -EFAULT;
+
+ /* make request to uCode to retrieve statistics information */
+ mutex_lock(&priv->mutex);
+ iwl_send_statistics_request(priv, CMD_SYNC, true);
+ mutex_unlock(&priv->mutex);
+
+ return count;
+}
+
DEBUGFS_READ_WRITE_FILE_OPS(rx_statistics);
DEBUGFS_READ_WRITE_FILE_OPS(tx_statistics);
DEBUGFS_READ_WRITE_FILE_OPS(traffic_log);
@@ -1840,6 +1860,7 @@ DEBUGFS_READ_FILE_OPS(sensitivity);
DEBUGFS_READ_FILE_OPS(chain_noise);
DEBUGFS_READ_FILE_OPS(tx_power);
DEBUGFS_READ_FILE_OPS(power_save_status);
+DEBUGFS_WRITE_FILE_OPS(clear_statistics);
/*
* Create the debugfs files and directories
@@ -1888,6 +1909,7 @@ int iwl_dbgfs_register(struct iwl_priv *priv, const char *name)
DEBUGFS_ADD_FILE(tx_queue, debug);
DEBUGFS_ADD_FILE(tx_power, debug);
DEBUGFS_ADD_FILE(power_save_status, debug);
+ DEBUGFS_ADD_FILE(clear_statistics, debug);
if ((priv->hw_rev & CSR_HW_REV_TYPE_MSK) != CSR_HW_REV_TYPE_3945) {
DEBUGFS_ADD_FILE(ucode_rx_stats, debug);
DEBUGFS_ADD_FILE(ucode_tx_stats, debug);
@@ -1941,6 +1963,7 @@ void iwl_dbgfs_unregister(struct iwl_priv *priv)
DEBUGFS_REMOVE(priv->dbgfs->dbgfs_debug_files.file_tx_queue);
DEBUGFS_REMOVE(priv->dbgfs->dbgfs_debug_files.file_tx_power);
DEBUGFS_REMOVE(priv->dbgfs->dbgfs_debug_files.file_power_save_status);
+ DEBUGFS_REMOVE(priv->dbgfs->dbgfs_debug_files.file_clear_statistics);
if ((priv->hw_rev & CSR_HW_REV_TYPE_MSK) != CSR_HW_REV_TYPE_3945) {
DEBUGFS_REMOVE(priv->dbgfs->dbgfs_debug_files.
file_ucode_rx_stats);
diff --git a/drivers/net/wireless/iwlwifi/iwl-power.c b/drivers/net/wireless/iwlwifi/iwl-power.c
index 9bce2c1625e..8ccc0bb1d9e 100644
--- a/drivers/net/wireless/iwlwifi/iwl-power.c
+++ b/drivers/net/wireless/iwlwifi/iwl-power.c
@@ -506,7 +506,7 @@ static void iwl_prepare_ct_kill_task(struct iwl_priv *priv)
{
IWL_DEBUG_POWER(priv, "Prepare to enter IWL_TI_CT_KILL\n");
/* make request to retrieve statistics information */
- iwl_send_statistics_request(priv, 0);
+ iwl_send_statistics_request(priv, CMD_SYNC, false);
/* Reschedule the ct_kill wait timer */
mod_timer(&priv->thermal_throttle.ct_kill_waiting_tm,
jiffies + msecs_to_jiffies(CT_KILL_WAITING_DURATION));
diff --git a/drivers/net/wireless/iwlwifi/iwl-rx.c b/drivers/net/wireless/iwlwifi/iwl-rx.c
index 61b3b0e6ed7..9d010a0d83a 100644
--- a/drivers/net/wireless/iwlwifi/iwl-rx.c
+++ b/drivers/net/wireless/iwlwifi/iwl-rx.c
@@ -635,6 +635,24 @@ void iwl_rx_statistics(struct iwl_priv *priv,
}
EXPORT_SYMBOL(iwl_rx_statistics);
+void iwl_reply_statistics(struct iwl_priv *priv,
+ struct iwl_rx_mem_buffer *rxb)
+{
+ struct iwl_rx_packet *pkt = rxb_addr(rxb);
+
+ if (le32_to_cpu(pkt->u.stats.flag) & UCODE_STATISTICS_CLEAR_MSK) {
+ memset(&priv->statistics, 0,
+ sizeof(struct iwl_notif_statistics));
+#ifdef CONFIG_IWLWIFI_DEBUG
+ memset(&priv->accum_statistics, 0,
+ sizeof(struct iwl_notif_statistics));
+#endif
+ IWL_DEBUG_RX(priv, "Statistics have been cleared\n");
+ }
+ iwl_rx_statistics(priv, rxb);
+}
+EXPORT_SYMBOL(iwl_reply_statistics);
+
#define PERFECT_RSSI (-20) /* dBm */
#define WORST_RSSI (-95) /* dBm */
#define RSSI_RANGE (PERFECT_RSSI - WORST_RSSI)
diff --git a/drivers/net/wireless/iwlwifi/iwl3945-base.c b/drivers/net/wireless/iwlwifi/iwl3945-base.c
index 05f118529fe..93bb4d341be 100644
--- a/drivers/net/wireless/iwlwifi/iwl3945-base.c
+++ b/drivers/net/wireless/iwlwifi/iwl3945-base.c
@@ -3649,7 +3649,7 @@ static ssize_t show_statistics(struct device *d,
return -EAGAIN;
mutex_lock(&priv->mutex);
- rc = iwl_send_statistics_request(priv, 0);
+ rc = iwl_send_statistics_request(priv, CMD_SYNC, false);
mutex_unlock(&priv->mutex);
if (rc) {
generated by cgit v1.2.3 (git 2.39.1) at 2024-10-21 02:11:25 +0000