diff options
Diffstat (limited to 'drivers/net/wireless/iwlwifi')
| -rw-r--r-- | drivers/net/wireless/iwlwifi/iwl-agn.c | 6 | ||||
| -rw-r--r-- | drivers/net/wireless/iwlwifi/iwl-calib.c | 2 | ||||
| -rw-r--r-- | drivers/net/wireless/iwlwifi/iwl-commands.h | 4 | ||||
| -rw-r--r-- | drivers/net/wireless/iwlwifi/iwl-core.c | 21 | ||||
| -rw-r--r-- | drivers/net/wireless/iwlwifi/iwl-core.h | 5 | ||||
| -rw-r--r-- | drivers/net/wireless/iwlwifi/iwl-debug.h | 1 | ||||
| -rw-r--r-- | drivers/net/wireless/iwlwifi/iwl-debugfs.c | 39 | ||||
| -rw-r--r-- | drivers/net/wireless/iwlwifi/iwl-power.c | 2 | ||||
| -rw-r--r-- | drivers/net/wireless/iwlwifi/iwl-rx.c | 18 | ||||
| -rw-r--r-- | drivers/net/wireless/iwlwifi/iwl3945-base.c | 2 |
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 6532e9e68951..f586e7e83131 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 d994de7438d8..95a57b36a7ea 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 2857287be4fd..6e23a2b5cb8a 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 d09e74815323..1736c60c3e21 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 3f97036ac29b..584a376b96c5 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 96c92eab692a..25a0e73314f7 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 8784911fd56e..45a5edd1b1a7 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 9bce2c1625e3..8ccc0bb1d9ed 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 61b3b0e6ed73..9d010a0d83af 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 05f118529fea..93bb4d341be3 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) { |