diff options
| -rw-r--r-- | drivers/net/wireless/iwlegacy/iwl-3945.c | 2 | ||||
| -rw-r--r-- | drivers/net/wireless/iwlegacy/iwl-4965.c | 2 | ||||
| -rw-r--r-- | drivers/net/wireless/iwlegacy/iwl-core.c | 1 | ||||
| -rw-r--r-- | drivers/net/wireless/iwlegacy/iwl-core.h | 7 | ||||
| -rw-r--r-- | drivers/net/wireless/iwlegacy/iwl-debugfs.c | 97 | ||||
| -rw-r--r-- | drivers/net/wireless/iwlegacy/iwl-dev.h | 29 | ||||
| -rw-r--r-- | drivers/net/wireless/iwlegacy/iwl-devtrace.c | 3 | ||||
| -rw-r--r-- | drivers/net/wireless/iwlegacy/iwl-devtrace.h | 60 | ||||
| -rw-r--r-- | drivers/net/wireless/iwlegacy/iwl3945-base.c | 206 | ||||
| -rw-r--r-- | drivers/net/wireless/iwlegacy/iwl4965-base.c | 336 |
10 files changed, 1 insertions, 742 deletions
diff --git a/drivers/net/wireless/iwlegacy/iwl-3945.c b/drivers/net/wireless/iwlegacy/iwl-3945.c index 8aa018dfa46..dab67a12d73 100644 --- a/drivers/net/wireless/iwlegacy/iwl-3945.c +++ b/drivers/net/wireless/iwlegacy/iwl-3945.c @@ -2639,7 +2639,6 @@ static struct iwl_lib_ops iwl3945_lib = { .txq_free_tfd = iwl3945_hw_txq_free_tfd, .txq_init = iwl3945_hw_tx_queue_init, .load_ucode = iwl3945_load_bsm, - .dump_nic_event_log = iwl3945_dump_nic_event_log, .dump_nic_error_log = iwl3945_dump_nic_error_log, .apm_ops = { .init = iwl3945_apm_init, @@ -2698,7 +2697,6 @@ static struct iwl_base_params iwl3945_base_params = { .use_bsm = true, .led_compensation = 64, .wd_timeout = IWL_DEF_WD_TIMEOUT, - .max_event_log_size = 512, }; static struct iwl_cfg iwl3945_bg_cfg = { diff --git a/drivers/net/wireless/iwlegacy/iwl-4965.c b/drivers/net/wireless/iwlegacy/iwl-4965.c index 59a4b53218e..bd4b000733f 100644 --- a/drivers/net/wireless/iwlegacy/iwl-4965.c +++ b/drivers/net/wireless/iwlegacy/iwl-4965.c @@ -2069,7 +2069,6 @@ static struct iwl_lib_ops iwl4965_lib = { .is_valid_rtc_data_addr = iwl4965_hw_valid_rtc_data_addr, .init_alive_start = iwl4965_init_alive_start, .load_ucode = iwl4965_load_bsm, - .dump_nic_event_log = iwl4965_dump_nic_event_log, .dump_nic_error_log = iwl4965_dump_nic_error_log, .dump_fh = iwl4965_dump_fh, .set_channel_switch = iwl4965_hw_channel_switch, @@ -2151,7 +2150,6 @@ static struct iwl_base_params iwl4965_base_params = { .chain_noise_num_beacons = IWL4965_CAL_NUM_BEACONS, .wd_timeout = IWL_DEF_WD_TIMEOUT, .temperature_kelvin = true, - .max_event_log_size = 512, .ucode_tracing = true, .sensitivity_calib_by_driver = true, .chain_noise_calib_by_driver = true, diff --git a/drivers/net/wireless/iwlegacy/iwl-core.c b/drivers/net/wireless/iwlegacy/iwl-core.c index 240d3a80c7b..35cd2537e7f 100644 --- a/drivers/net/wireless/iwlegacy/iwl-core.c +++ b/drivers/net/wireless/iwlegacy/iwl-core.c @@ -931,7 +931,6 @@ void iwl_legacy_irq_handle_error(struct iwl_priv *priv) priv->cfg->ops->lib->dump_nic_error_log(priv); if (priv->cfg->ops->lib->dump_fh) priv->cfg->ops->lib->dump_fh(priv, NULL, false); - priv->cfg->ops->lib->dump_nic_event_log(priv, false, NULL, false); #ifdef CONFIG_IWLWIFI_LEGACY_DEBUG if (iwl_legacy_get_debug_level(priv) & IWL_DL_FW_ERRORS) iwl_legacy_print_rx_config_cmd(priv, diff --git a/drivers/net/wireless/iwlegacy/iwl-core.h b/drivers/net/wireless/iwlegacy/iwl-core.h index 8f766e94881..a2de7e99170 100644 --- a/drivers/net/wireless/iwlegacy/iwl-core.h +++ b/drivers/net/wireless/iwlegacy/iwl-core.h @@ -143,8 +143,7 @@ struct iwl_lib_ops { int (*is_valid_rtc_data_addr)(u32 addr); /* 1st ucode load */ int (*load_ucode)(struct iwl_priv *priv); - int (*dump_nic_event_log)(struct iwl_priv *priv, - bool full_log, char **buf, bool display); + void (*dump_nic_error_log)(struct iwl_priv *priv); int (*dump_fh)(struct iwl_priv *priv, char **buf, bool display); int (*set_channel_switch)(struct iwl_priv *priv, @@ -206,7 +205,6 @@ struct iwl_mod_params { * @chain_noise_num_beacons: number of beacons used to compute chain noise * @wd_timeout: TX queues watchdog timeout * @temperature_kelvin: temperature report by uCode in kelvin - * @max_event_log_size: size of event log buffer size for ucode event logging * @ucode_tracing: support ucode continuous tracing * @sensitivity_calib_by_driver: driver has the capability to perform * sensitivity calibration operation @@ -226,7 +224,6 @@ struct iwl_base_params { int chain_noise_num_beacons; unsigned int wd_timeout; bool temperature_kelvin; - u32 max_event_log_size; const bool ucode_tracing; const bool sensitivity_calib_by_driver; const bool chain_noise_calib_by_driver; @@ -515,8 +512,6 @@ extern const struct dev_pm_ops iwl_legacy_pm_ops; * Error Handling Debugging ******************************************************/ void iwl4965_dump_nic_error_log(struct iwl_priv *priv); -int iwl4965_dump_nic_event_log(struct iwl_priv *priv, - bool full_log, char **buf, bool display); #ifdef CONFIG_IWLWIFI_LEGACY_DEBUG void iwl_legacy_print_rx_config_cmd(struct iwl_priv *priv, struct iwl_rxon_context *ctx); diff --git a/drivers/net/wireless/iwlegacy/iwl-debugfs.c b/drivers/net/wireless/iwlegacy/iwl-debugfs.c index 88ffc92ef0b..996996a7165 100644 --- a/drivers/net/wireless/iwlegacy/iwl-debugfs.c +++ b/drivers/net/wireless/iwlegacy/iwl-debugfs.c @@ -391,48 +391,6 @@ static ssize_t iwl_legacy_dbgfs_nvm_read(struct file *file, return ret; } -static ssize_t iwl_legacy_dbgfs_log_event_read(struct file *file, - char __user *user_buf, - size_t count, loff_t *ppos) -{ - struct iwl_priv *priv = file->private_data; - char *buf; - int pos = 0; - ssize_t ret = -ENOMEM; - - ret = pos = priv->cfg->ops->lib->dump_nic_event_log( - priv, true, &buf, true); - if (buf) { - ret = simple_read_from_buffer(user_buf, count, ppos, buf, pos); - kfree(buf); - } - return ret; -} - -static ssize_t iwl_legacy_dbgfs_log_event_write(struct file *file, - const char __user *user_buf, - size_t count, loff_t *ppos) -{ - struct iwl_priv *priv = file->private_data; - u32 event_log_flag; - char buf[8]; - int buf_size; - - 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", &event_log_flag) != 1) - return -EFAULT; - if (event_log_flag == 1) - priv->cfg->ops->lib->dump_nic_event_log(priv, true, - NULL, false); - - return count; -} - - - static ssize_t iwl_legacy_dbgfs_channels_read(struct file *file, char __user *user_buf, size_t count, loff_t *ppos) @@ -706,7 +664,6 @@ static ssize_t iwl_legacy_dbgfs_disable_ht40_read(struct file *file, } DEBUGFS_READ_WRITE_FILE_OPS(sram); -DEBUGFS_READ_WRITE_FILE_OPS(log_event); DEBUGFS_READ_FILE_OPS(nvm); DEBUGFS_READ_FILE_OPS(stations); DEBUGFS_READ_FILE_OPS(channels); @@ -1098,56 +1055,6 @@ static ssize_t iwl_legacy_dbgfs_clear_ucode_statistics_write(struct file *file, return count; } -static ssize_t iwl_legacy_dbgfs_ucode_tracing_read(struct file *file, - char __user *user_buf, - size_t count, loff_t *ppos) { - - struct iwl_priv *priv = file->private_data; - int pos = 0; - char buf[128]; - const size_t bufsz = sizeof(buf); - - pos += scnprintf(buf + pos, bufsz - pos, "ucode trace timer is %s\n", - priv->event_log.ucode_trace ? "On" : "Off"); - pos += scnprintf(buf + pos, bufsz - pos, "non_wraps_count:\t\t %u\n", - priv->event_log.non_wraps_count); - pos += scnprintf(buf + pos, bufsz - pos, "wraps_once_count:\t\t %u\n", - priv->event_log.wraps_once_count); - pos += scnprintf(buf + pos, bufsz - pos, "wraps_more_count:\t\t %u\n", - priv->event_log.wraps_more_count); - - return simple_read_from_buffer(user_buf, count, ppos, buf, pos); -} - -static ssize_t iwl_legacy_dbgfs_ucode_tracing_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 trace; - - 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", &trace) != 1) - return -EFAULT; - - if (trace) { - priv->event_log.ucode_trace = true; - /* schedule the ucode timer to occur in UCODE_TRACE_PERIOD */ - mod_timer(&priv->ucode_trace, - jiffies + msecs_to_jiffies(UCODE_TRACE_PERIOD)); - } else { - priv->event_log.ucode_trace = false; - del_timer_sync(&priv->ucode_trace); - } - - return count; -} - static ssize_t iwl_legacy_dbgfs_rxon_flags_read(struct file *file, char __user *user_buf, size_t count, loff_t *ppos) { @@ -1312,7 +1219,6 @@ DEBUGFS_READ_FILE_OPS(chain_noise); DEBUGFS_READ_FILE_OPS(power_save_status); DEBUGFS_WRITE_FILE_OPS(clear_ucode_statistics); DEBUGFS_WRITE_FILE_OPS(clear_traffic_statistics); -DEBUGFS_READ_WRITE_FILE_OPS(ucode_tracing); DEBUGFS_READ_FILE_OPS(fh_reg); DEBUGFS_READ_WRITE_FILE_OPS(missed_beacon); DEBUGFS_READ_WRITE_FILE_OPS(force_reset); @@ -1347,7 +1253,6 @@ int iwl_legacy_dbgfs_register(struct iwl_priv *priv, const char *name) DEBUGFS_ADD_FILE(nvm, dir_data, S_IRUSR); DEBUGFS_ADD_FILE(sram, dir_data, S_IWUSR | S_IRUSR); - DEBUGFS_ADD_FILE(log_event, dir_data, S_IWUSR | S_IRUSR); DEBUGFS_ADD_FILE(stations, dir_data, S_IRUSR); DEBUGFS_ADD_FILE(channels, dir_data, S_IRUSR); DEBUGFS_ADD_FILE(status, dir_data, S_IRUSR); @@ -1373,8 +1278,6 @@ int iwl_legacy_dbgfs_register(struct iwl_priv *priv, const char *name) DEBUGFS_ADD_FILE(sensitivity, dir_debug, S_IRUSR); if (priv->cfg->base_params->chain_noise_calib_by_driver) DEBUGFS_ADD_FILE(chain_noise, dir_debug, S_IRUSR); - if (priv->cfg->base_params->ucode_tracing) - DEBUGFS_ADD_FILE(ucode_tracing, dir_debug, S_IWUSR | S_IRUSR); DEBUGFS_ADD_FILE(rxon_flags, dir_debug, S_IWUSR); DEBUGFS_ADD_FILE(rxon_filter_flags, dir_debug, S_IWUSR); DEBUGFS_ADD_FILE(wd_timeout, dir_debug, S_IWUSR); diff --git a/drivers/net/wireless/iwlegacy/iwl-dev.h b/drivers/net/wireless/iwlegacy/iwl-dev.h index c5a135a7131..fd792e15fab 100644 --- a/drivers/net/wireless/iwlegacy/iwl-dev.h +++ b/drivers/net/wireless/iwlegacy/iwl-dev.h @@ -855,32 +855,6 @@ struct traffic_stats { }; /* - * schedule the timer to wake up every UCODE_TRACE_PERIOD milliseconds - * to perform continuous uCode event logging operation if enabled - */ -#define UCODE_TRACE_PERIOD (100) - -/* - * iwl_event_log: current uCode event log position - * - * @ucode_trace: enable/disable ucode continuous trace timer - * @num_wraps: how many times the event buffer wraps - * @next_entry: the entry just before the next one that uCode would fill - * @non_wraps_count: counter for no wrap detected when dump ucode events - * @wraps_once_count: counter for wrap once detected when dump ucode events - * @wraps_more_count: counter for wrap more than once detected - * when dump ucode events - */ -struct iwl_event_log { - bool ucode_trace; - u32 num_wraps; - u32 next_entry; - int non_wraps_count; - int wraps_once_count; - int wraps_more_count; -}; - -/* * host interrupt timeout value * used with setting interrupt coalescing timer * the CSR_INT_COALESCING is an 8 bit register in 32-usec unit @@ -1270,12 +1244,9 @@ struct iwl_priv { u32 disable_tx_power_cal; struct work_struct run_time_calib_work; struct timer_list statistics_periodic; - struct timer_list ucode_trace; struct timer_list watchdog; bool hw_ready; - struct iwl_event_log event_log; - struct led_classdev led; unsigned long blink_on, blink_off; bool led_registered; diff --git a/drivers/net/wireless/iwlegacy/iwl-devtrace.c b/drivers/net/wireless/iwlegacy/iwl-devtrace.c index 080b852b33b..acec99197ce 100644 --- a/drivers/net/wireless/iwlegacy/iwl-devtrace.c +++ b/drivers/net/wireless/iwlegacy/iwl-devtrace.c @@ -38,8 +38,5 @@ EXPORT_TRACEPOINT_SYMBOL(iwlwifi_legacy_dev_ioread32); EXPORT_TRACEPOINT_SYMBOL(iwlwifi_legacy_dev_iowrite32); EXPORT_TRACEPOINT_SYMBOL(iwlwifi_legacy_dev_rx); EXPORT_TRACEPOINT_SYMBOL(iwlwifi_legacy_dev_tx); -EXPORT_TRACEPOINT_SYMBOL(iwlwifi_legacy_dev_ucode_event); EXPORT_TRACEPOINT_SYMBOL(iwlwifi_legacy_dev_ucode_error); -EXPORT_TRACEPOINT_SYMBOL(iwlwifi_legacy_dev_ucode_cont_event); -EXPORT_TRACEPOINT_SYMBOL(iwlwifi_legacy_dev_ucode_wrap_event); #endif diff --git a/drivers/net/wireless/iwlegacy/iwl-devtrace.h b/drivers/net/wireless/iwlegacy/iwl-devtrace.h index 9612aa0f6ec..a443725ba6b 100644 --- a/drivers/net/wireless/iwlegacy/iwl-devtrace.h +++ b/drivers/net/wireless/iwlegacy/iwl-devtrace.h @@ -96,47 +96,6 @@ TRACE_EVENT(iwlwifi_legacy_dev_iowrite32, #undef TRACE_SYSTEM #define TRACE_SYSTEM iwlwifi_legacy_ucode -TRACE_EVENT(iwlwifi_legacy_dev_ucode_cont_event, - TP_PROTO(struct iwl_priv *priv, u32 time, u32 data, u32 ev), - TP_ARGS(priv, time, data, ev), - TP_STRUCT__entry( - PRIV_ENTRY - - __field(u32, time) - __field(u32, data) - __field(u32, ev) - ), - TP_fast_assign( - PRIV_ASSIGN; - __entry->time = time; - __entry->data = data; - __entry->ev = ev; - ), - TP_printk("[%p] EVT_LOGT:%010u:0x%08x:%04u", - __entry->priv, __entry->time, __entry->data, __entry->ev) -); - -TRACE_EVENT(iwlwifi_legacy_dev_ucode_wrap_event, - TP_PROTO(struct iwl_priv *priv, u32 wraps, u32 n_entry, u32 p_entry), - TP_ARGS(priv, wraps, n_entry, p_entry), - TP_STRUCT__entry( - PRIV_ENTRY - - __field(u32, wraps) - __field(u32, n_entry) - __field(u32, p_entry) - ), - TP_fast_assign( - PRIV_ASSIGN; - __entry->wraps = wraps; - __entry->n_entry = n_entry; - __entry->p_entry = p_entry; - ), - TP_printk("[%p] wraps=#%02d n=0x%X p=0x%X", - __entry->priv, __entry->wraps, __entry->n_entry, - __entry->p_entry) -); - #undef TRACE_SYSTEM #define TRACE_SYSTEM iwlwifi @@ -242,25 +201,6 @@ TRACE_EVENT(iwlwifi_legacy_dev_ucode_error, __entry->blink2, __entry->ilink1, __entry->ilink2) ); -TRACE_EVENT(iwlwifi_legacy_dev_ucode_event, - TP_PROTO(struct iwl_priv *priv, u32 time, u32 data, u32 ev), - TP_ARGS(priv, time, data, ev), - TP_STRUCT__entry( - PRIV_ENTRY - - __field(u32, time) - __field(u32, data) - __field(u32, ev) - ), - TP_fast_assign( - PRIV_ASSIGN; - __entry->time = time; - __entry->data = data; - __entry->ev = ev; - ), - TP_printk("[%p] EVT_LOGT:%010u:0x%08x:%04u", - __entry->priv, __entry->time, __entry->data, __entry->ev) -); #endif /* __IWLWIFI_DEVICE_TRACE */ #undef TRACE_INCLUDE_PATH diff --git a/drivers/net/wireless/iwlegacy/iwl3945-base.c b/drivers/net/wireless/iwlegacy/iwl3945-base.c index da42442106c..795826a014e 100644 --- a/drivers/net/wireless/iwlegacy/iwl3945-base.c +++ b/drivers/net/wireless/iwlegacy/iwl3945-base.c @@ -1409,212 +1409,6 @@ void iwl3945_dump_nic_error_log(struct iwl_priv *priv) } } -#define EVENT_START_OFFSET (6 * sizeof(u32)) - -/** - * iwl3945_print_event_log - Dump error event log to syslog - * - */ -static int iwl3945_print_event_log(struct iwl_priv *priv, u32 start_idx, - u32 num_events, u32 mode, - int pos, char **buf, size_t bufsz) -{ - u32 i; - u32 base; /* SRAM byte address of event log header */ - u32 event_size; /* 2 u32s, or 3 u32s if timestamp recorded */ - u32 ptr; /* SRAM byte address of log data */ - u32 ev, time, data; /* event log data */ - unsigned long reg_flags; - - if (num_events == 0) - return pos; - - base = le32_to_cpu(priv->card_alive.log_event_table_ptr); - - if (mode == 0) - event_size = 2 * sizeof(u32); - else - event_size = 3 * sizeof(u32); - - ptr = base + EVENT_START_OFFSET + (start_idx * event_size); - - /* Make sure device is powered up for SRAM reads */ - spin_lock_irqsave(&priv->reg_lock, reg_flags); - iwl_grab_nic_access(priv); - - /* Set starting address; reads will auto-increment */ - _iwl_legacy_write_direct32(priv, HBUS_TARG_MEM_RADDR, ptr); - rmb(); - - /* "time" is actually "data" for mode 0 (no timestamp). - * place event id # at far right for easier visual parsing. */ - for (i = 0; i < num_events; i++) { - ev = _iwl_legacy_read_direct32(priv, HBUS_TARG_MEM_RDAT); - time = _iwl_legacy_read_direct32(priv, HBUS_TARG_MEM_RDAT); - if (mode == 0) { - /* data, ev */ - if (bufsz) { - pos += scnprintf(*buf + pos, bufsz - pos, - "0x%08x:%04u\n", - time, ev); - } else { - IWL_ERR(priv, "0x%08x\t%04u\n", time, ev); - trace_iwlwifi_legacy_dev_ucode_event(priv, 0, - time, ev); - } - } else { - data = _iwl_legacy_read_direct32(priv, - HBUS_TARG_MEM_RDAT); - if (bufsz) { - pos += scnprintf(*buf + pos, bufsz - pos, - "%010u:0x%08x:%04u\n", - time, data, ev); - } else { - IWL_ERR(priv, "%010u\t0x%08x\t%04u\n", - time, data, ev); - trace_iwlwifi_legacy_dev_ucode_event(priv, time, - data, ev); - } - } - } - - /* Allow device to power down */ - iwl_release_nic_access(priv); - spin_unlock_irqrestore(&priv->reg_lock, reg_flags); - return pos; -} - -/** - * iwl3945_print_last_event_logs - Dump the newest # of event log to syslog - */ -static int iwl3945_print_last_event_logs(struct iwl_priv *priv, u32 capacity, - u32 num_wraps, u32 next_entry, - u32 size, u32 mode, - int pos, char **buf, size_t bufsz) -{ - /* - * display the newest DEFAULT_LOG_ENTRIES entries - * i.e the entries just before the next ont that uCode would fill. - */ - if (num_wraps) { - if (next_entry < size) { - pos = iwl3945_print_event_log(priv, - capacity - (size - next_entry), - size - next_entry, mode, - pos, buf, bufsz); - pos = iwl3945_print_event_log(priv, 0, - next_entry, mode, - pos, buf, bufsz); - } else - pos = iwl3945_print_event_log(priv, next_entry - size, - size, mode, - pos, buf, bufsz); - } else { - if (next_entry < size) - pos = iwl3945_print_event_log(priv, 0, - next_entry, mode, - pos, buf, bufsz); - else - pos = iwl3945_print_event_log(priv, next_entry - size, - size, mode, - pos, buf, bufsz); - } - return pos; -} - -#define DEFAULT_IWL3945_DUMP_EVENT_LOG_ENTRIES (20) - -int iwl3945_dump_nic_event_log(struct iwl_priv *priv, bool full_log, - char **buf, bool display) -{ - u32 base; /* SRAM byte address of event log header */ - u32 capacity; /* event log capacity in # entries */ - u32 mode; /* 0 - no timestamp, 1 - timestamp recorded */ - u32 num_wraps; /* # times uCode wrapped to top of log */ - u32 next_entry; /* index of next entry to be written by uCode */ - u32 size; /* # entries that we'll print */ - int pos = 0; - size_t bufsz = 0; - - base = le32_to_cpu(priv->card_alive.log_event_table_ptr); - if (!iwl3945_hw_valid_rtc_data_addr(base)) { - IWL_ERR(priv, "Invalid event log pointer 0x%08X\n", base); - return -EINVAL; - } - - /* event log header */ - capacity = iwl_legacy_read_targ_mem(priv, base); - mode = iwl_legacy_read_targ_mem(priv, base + (1 * sizeof(u32))); - num_wraps = iwl_legacy_read_targ_mem(priv, base + (2 * sizeof(u32))); - next_entry = iwl_legacy_read_targ_mem(priv, base + (3 * sizeof(u32))); - - if (capacity > priv->cfg->base_params->max_event_log_size) { - IWL_ERR(priv, "Log capacity %d is bogus, limit to %d entries\n", - capacity, priv->cfg->base_params->max_event_log_size); - capacity = priv->cfg->base_params->max_event_log_size; - } - - if (next_entry > priv->cfg->base_params->max_event_log_size) { - IWL_ERR(priv, "Log write index %d is bogus, limit to %d\n", - next_entry, priv->cfg->base_params->max_event_log_size); - next_entry = priv->cfg->base_params->max_event_log_size; - } - - size = num_wraps ? capacity : next_entry; - - /* bail out if nothing in log */ - if (size == 0) { - IWL_ERR(priv, "Start IWL Event Log Dump: nothing in log\n"); - return pos; - } - -#ifdef CONFIG_IWLWIFI_LEGACY_DEBUG - if (!(iwl_legacy_get_debug_level(priv) & IWL_DL_FW_ERRORS) && !full_log) - size = (size > DEFAULT_IWL3945_DUMP_EVENT_LOG_ENTRIES) - ? DEFAULT_IWL3945_DUMP_EVENT_LOG_ENTRIES : size; -#else - size = (size > DEFAULT_IWL3945_DUMP_EVENT_LOG_ENTRIES) - ? DEFAULT_IWL3945_DUMP_EVENT_LOG_ENTRIES : size; -#endif - - IWL_ERR(priv, "Start IWL Event Log Dump: display last %d count\n", - size); - -#ifdef CONFIG_IWLWIFI_LEGACY_DEBUG - if (display) { - if (full_log) - bufsz = capacity * 48; - else - bufsz = size * 48; - *buf = kmalloc(bufsz, GFP_KERNEL); - if (!*buf) - return -ENOMEM; - } - if ((iwl_legacy_get_debug_level(priv) & IWL_DL_FW_ERRORS) || full_log) { - /* if uCode has wrapped back to top of log, - * start at the oldest entry, - * i.e the next one that uCode would fill. - */ - if (num_wraps) - pos = iwl3945_print_event_log(priv, next_entry, - capacity - next_entry, mode, - pos, buf, bufsz); - - /* (then/else) start at top of log */ - pos = iwl3945_print_event_log(priv, 0, next_entry, mode, - pos, buf, bufsz); - } else - pos = iwl3945_print_last_event_logs(priv, capacity, num_wraps, - next_entry, size, mode, - pos, buf, bufsz); -#else - pos = iwl3945_print_last_event_logs(priv, capacity, num_wraps, - next_entry, size, mode, - pos, buf, bufsz); -#endif - return pos; -} - static void iwl3945_irq_tasklet(struct iwl_priv *priv) { u32 inta, handled = 0; diff --git a/drivers/net/wireless/iwlegacy/iwl4965-base.c b/drivers/net/wireless/iwlegacy/iwl4965-base.c index ed86b221d06..98e42a11b71 100644 --- a/drivers/net/wireless/iwlegacy/iwl4965-base.c +++ b/drivers/net/wireless/iwlegacy/iwl4965-base.c @@ -488,134 +488,6 @@ static void iwl4965_bg_statistics_periodic(unsigned long data) iwl_legacy_send_statistics_request(priv, CMD_ASYNC, false); } - -static void iwl4965_print_cont_event_trace(struct iwl_priv *priv, u32 base, - u32 start_idx, u32 num_events, - u32 mode) -{ - u32 i; - u32 ptr; /* SRAM byte address of log data */ - u32 ev, time, data; /* event log data */ - unsigned long reg_flags; - - if (mode == 0) - ptr = base + (4 * sizeof(u32)) + (start_idx * 2 * sizeof(u32)); - else - ptr = base + (4 * sizeof(u32)) + (start_idx * 3 * sizeof(u32)); - - /* Make sure device is powered up for SRAM reads */ - spin_lock_irqsave(&priv->reg_lock, reg_flags); - if (iwl_grab_nic_access(priv)) { - spin_unlock_irqrestore(&priv->reg_lock, reg_flags); - return; - } - - /* Set starting address; reads will auto-increment */ - _iwl_legacy_write_direct32(priv, HBUS_TARG_MEM_RADDR, ptr); - rmb(); - - /* - * "time" is actually "data" for mode 0 (no timestamp). - * place event id # at far right for easier visual parsing. - */ - for (i = 0; i < num_events; i++) { - ev = _iwl_legacy_read_direct32(priv, HBUS_TARG_MEM_RDAT); - time = _iwl_legacy_read_direct32(priv, HBUS_TARG_MEM_RDAT); - if (mode == 0) { - trace_iwlwifi_legacy_dev_ucode_cont_event(priv, - 0, time, ev); - } else { - data = _iwl_legacy_read_direct32(priv, - HBUS_TARG_MEM_RDAT); - trace_iwlwifi_legacy_dev_ucode_cont_event(priv, - time, data, ev); - } - } - /* Allow device to power down */ - iwl_release_nic_access(priv); - spin_unlock_irqrestore(&priv->reg_lock, reg_flags); -} - -static void iwl4965_continuous_event_trace(struct iwl_priv *priv) -{ - u32 capacity; /* event log capacity in # entries */ - u32 base; /* SRAM byte address of event log header */ - u32 mode; /* 0 - no timestamp, 1 - timestamp recorded */ - u32 num_wraps; /* # times uCode wrapped to top of log */ - u32 next_entry; /* index of next entry to be written by uCode */ - - if (priv->ucode_type == UCODE_INIT) - base = le32_to_cpu(priv->card_alive_init.error_event_table_ptr); - else - base = le32_to_cpu(priv->card_alive.log_event_table_ptr); - if (priv->cfg->ops->lib->is_valid_rtc_data_addr(base)) { - capacity = iwl_legacy_read_targ_mem(priv, base); - num_wraps = iwl_legacy_read_targ_mem(priv, - base + (2 * sizeof(u32))); - mode = iwl_legacy_read_targ_mem(priv, base + (1 * sizeof(u32))); - next_entry = iwl_legacy_read_targ_mem(priv, - base + (3 * sizeof(u32))); - } else - return; - - if (num_wraps == priv->event_log.num_wraps) { - iwl4965_print_cont_event_trace(priv, - base, priv->event_log.next_entry, - next_entry - priv->event_log.next_entry, - mode); - priv->event_log.non_wraps_count++; - } else { - if ((num_wraps - priv->event_log.num_wraps) > 1) - priv->event_log.wraps_more_count++; - else - priv->event_log.wraps_once_count++; - trace_iwlwifi_legacy_dev_ucode_wrap_event(priv, - num_wraps - priv->event_log.num_wraps, - next_entry, priv->event_log.next_entry); - if (next_entry < priv->event_log.next_entry) { - iwl4965_print_cont_event_trace(priv, base, - priv->event_log.next_entry, - capacity - priv->event_log.next_entry, - mode); - - iwl4965_print_cont_event_trace(priv, base, 0, - next_entry, mode); - } else { - iwl4965_print_cont_event_trace(priv, base, - next_entry, capacity - next_entry, - mode); - - iwl4965_print_cont_event_trace(priv, base, 0, - next_entry, mode); - } - } - priv->event_log.num_wraps = num_wraps; - priv->event_log.next_entry = next_entry; -} - -/** - * iwl4965_bg_ucode_trace - Timer callback to log ucode event - * - * The timer is continually set to execute every - * UCODE_TRACE_PERIOD milliseconds after the last timer expired - * this function is to perform continuous uCode event logging operation - * if enabled - */ -static void iwl4965_bg_ucode_trace(unsigned long data) -{ - struct iwl_priv *priv = (struct iwl_priv *)data; - - if (test_bit(STATUS_EXIT_PENDING, &priv->status)) - return; - - if (priv->event_log.ucode_trace) { - iwl4965_continuous_event_trace(priv); - /* Reschedule the timer to occur in UCODE_TRACE_PERIOD */ - mod_timer(&priv->ucode_trace, - jiffies + msecs_to_jiffies(UCODE_TRACE_PERIOD)); - } -} - static void iwl4965_rx_beacon_notif(struct iwl_priv *priv, struct iwl_rx_mem_buffer *rxb) { @@ -1711,209 +1583,6 @@ void iwl4965_dump_nic_error_log(struct iwl_priv *priv) pc, blink1, blink2, ilink1, ilink2, hcmd); } -#define EVENT_START_OFFSET (4 * sizeof(u32)) - -/** - * iwl4965_print_event_log - Dump error event log to syslog - * - */ -static int iwl4965_print_event_log(struct iwl_priv *priv, u32 start_idx, - u32 num_events, u32 mode, - int pos, char **buf, size_t bufsz) -{ - u32 i; - u32 base; /* SRAM byte address of event log header */ - u32 event_size; /* 2 u32s, or 3 u32s if timestamp recorded */ - u32 ptr; /* SRAM byte address of log data */ - u32 ev, time, data; /* event log data */ - unsigned long reg_flags; - - if (num_events == 0) - return pos; - - if (priv->ucode_type == UCODE_INIT) { - base = le32_to_cpu(priv->card_alive_init.log_event_table_ptr); - } else { - base = le32_to_cpu(priv->card_alive.log_event_table_ptr); - } - - if (mode == 0) - event_size = 2 * sizeof(u32); - else - event_size = 3 * sizeof(u32); - - ptr = base + EVENT_START_OFFSET + (start_idx * event_size); - - /* Make sure device is powered up for SRAM reads */ - spin_lock_irqsave(&priv->reg_lock, reg_flags); - iwl_grab_nic_access(priv); - - /* Set starting address; reads will auto-increment */ - _iwl_legacy_write_direct32(priv, HBUS_TARG_MEM_RADDR, ptr); - rmb(); - - /* "time" is actually "data" for mode 0 (no timestamp). - * place event id # at far right for easier visual parsing. */ - for (i = 0; i < num_events; i++) { - ev = _iwl_legacy_read_direct32(priv, HBUS_TARG_MEM_RDAT); - time = _iwl_legacy_read_direct32(priv, HBUS_TARG_MEM_RDAT); - if (mode == 0) { - /* data, ev */ - if (bufsz) { - pos += scnprintf(*buf + pos, bufsz - pos, - "EVT_LOG:0x%08x:%04u\n", - time, ev); - } else { - trace_iwlwifi_legacy_dev_ucode_event(priv, 0, - time, ev); - IWL_ERR(priv, "EVT_LOG:0x%08x:%04u\n", - time, ev); - } - } else { - data = _iwl_legacy_read_direct32(priv, - HBUS_TARG_MEM_RDAT); - if (bufsz) { - pos += scnprintf(*buf + pos, bufsz - pos, - "EVT_LOGT:%010u:0x%08x:%04u\n", - time, data, ev); - } else { - IWL_ERR(priv, "EVT_LOGT:%010u:0x%08x:%04u\n", - time, data, ev); - trace_iwlwifi_legacy_dev_ucode_event(priv, time, - data, ev); - } - } - } - - /* Allow device to power down */ - iwl_release_nic_access(priv); - spin_unlock_irqrestore(&priv->reg_lock, reg_flags); - return pos; -} - -/** - * iwl4965_print_last_event_logs - Dump the newest # of event log to syslog - */ -static int iwl4965_print_last_event_logs(struct iwl_priv *priv, u32 capacity, - u32 num_wraps, u32 next_entry, - u32 size, u32 mode, - int pos, char **buf, size_t bufsz) -{ - /* - * display the newest DEFAULT_LOG_ENTRIES entries - * i.e the entries just before the next ont that uCode would fill. - */ - if (num_wraps) { - if (next_entry < size) { - pos = iwl4965_print_event_log(priv, - capacity - (size - next_entry), - size - next_entry, mode, - pos, buf, bufsz); - pos = iwl4965_print_event_log(priv, 0, - next_entry, mode, - pos, buf, bufsz); - } else - pos = iwl4965_print_event_log(priv, next_entry - size, - size, mode, pos, buf, bufsz); - } else { - if (next_entry < size) { - pos = iwl4965_print_event_log(priv, 0, next_entry, - mode, pos, buf, bufsz); - } else { - pos = iwl4965_print_event_log(priv, next_entry - size, - size, mode, pos, buf, bufsz); - } - } - return pos; -} - -#define DEFAULT_DUMP_EVENT_LOG_ENTRIES (20) - -int iwl4965_dump_nic_event_log(struct iwl_priv *priv, bool full_log, - char **buf, bool display) -{ - u32 base; /* SRAM byte address of event log header */ - u32 capacity; /* event log capacity in # entries */ - u32 mode; /* 0 - no timestamp, 1 - timestamp recorded */ - u32 num_wraps; /* # times uCode wrapped to top of log */ - u32 next_entry; /* index of next entry to be written by uCode */ - u32 size; /* # entries that we'll print */ - int pos = 0; - size_t bufsz = 0; - - if (priv->ucode_type == UCODE_INIT) { - base = le32_to_cpu(priv->card_alive_init.log_event_table_ptr); - } else { - base = le32_to_cpu(priv->card_alive.log_event_table_ptr); - } - - if (!priv->cfg->ops->lib->is_valid_rtc_data_addr(base)) { - IWL_ERR(priv, - "Invalid event log pointer 0x%08X for %s uCode\n", - base, (priv->ucode_type == UCODE_INIT) ? "Init" : "RT"); - return -EINVAL; - } - - /* event log header */ - capacity = iwl_legacy_read_targ_mem(priv, base); - mode = iwl_legacy_read_targ_mem(priv, base + (1 * sizeof(u32))); - num_wraps = iwl_legacy_read_targ_mem(priv, base + (2 * sizeof(u32))); - next_entry = iwl_legacy_read_targ_mem(priv, base + (3 * sizeof(u32))); - - size = num_wraps ? capacity : next_entry; - - /* bail out if nothing in log */ - if (size == 0) { - IWL_ERR(priv, "Start IWL Event Log Dump: nothing in log\n"); - return pos; - } - -#ifdef CONFIG_IWLWIFI_LEGACY_DEBUG - if (!(iwl_legacy_get_debug_level(priv) & IWL_DL_FW_ERRORS) && !full_log) - size = (size > DEFAULT_DUMP_EVENT_LOG_ENTRIES) - ? DEFAULT_DUMP_EVENT_LOG_ENTRIES : size; -#else - size = (size > DEFAULT_DUMP_EVENT_LOG_ENTRIES) - ? DEFAULT_DUMP_EVENT_LOG_ENTRIES : size; -#endif - IWL_ERR(priv, "Start IWL Event Log Dump: display last %u entries\n", - size); - -#ifdef CONFIG_IWLWIFI_LEGACY_DEBUG - if (display) { - if (full_log) - bufsz = capacity * 48; - else - bufsz = size * 48; - *buf = kmalloc(bufsz, GFP_KERNEL); - if (!*buf) - return -ENOMEM; - } - if ((iwl_legacy_get_debug_level(priv) & IWL_DL_FW_ERRORS) || full_log) { - /* - * if uCode has wrapped back to top of log, - * start at the oldest entry, - * i.e the next one that uCode would fill. - */ - if (num_wraps) - pos = iwl4965_print_event_log(priv, next_entry, - capacity - next_entry, mode, - pos, buf, bufsz); - /* (then/else) start at top of log */ - pos = iwl4965_print_event_log(priv, 0, - next_entry, mode, pos, buf, bufsz); - } else - pos = iwl4965_print_last_event_logs(priv, capacity, num_wraps, - next_entry, size, mode, - pos, buf, bufsz); -#else - pos = iwl4965_print_last_event_logs(priv, capacity, num_wraps, - next_entry, size, mode, - pos, buf, bufsz); -#endif - return pos; -} - static void iwl4965_rf_kill_ct_config(struct iwl_priv *priv) { struct iwl_ct_kill_config cmd; @@ -3034,10 +2703,6 @@ static void iwl4965_setup_deferred_work(struct iwl_priv *priv) priv->statistics_periodic.data = (unsigned long)priv; priv->statistics_periodic.function = iwl4965_bg_statistics_periodic; - init_timer(&priv->ucode_trace); - priv->ucode_trace.data = (unsigned long)priv; - priv->ucode_trace.function = iwl4965_bg_ucode_trace; - init_timer(&priv->watchdog); priv->watchdog.data = (unsigned long)priv; priv->watchdog.function = iwl_legacy_bg_watchdog; @@ -3056,7 +2721,6 @@ static void iwl4965_cancel_deferred_work(struct iwl_priv *priv) iwl_legacy_cancel_scan_deferred_work(priv); del_timer_sync(&priv->statistics_periodic); - del_timer_sync(&priv->ucode_trace); } static void iwl4965_init_hw_rates(struct iwl_priv *priv, |