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Sun, 12 May 2024 13:33:51 -0500 Received: from localhost (uda0389739.dhcp.ti.com [137.167.1.114]) by lelvsmtp6.itg.ti.com (8.15.2/8.15.2) with ESMTP id 44CIXocL047375; Sun, 12 May 2024 13:33:50 -0500 From: To: , CC: , Michael Nemanov , Michael Nemanov Subject: [RFC PATCH 12/17] Add debugfs.c, debugfs.h Date: Sun, 12 May 2024 21:32:42 +0300 Message-ID: <20240512183247.2190242-13-michael.nemanov@ti.com> X-Mailer: git-send-email 2.25.1 In-Reply-To: <20240512183247.2190242-1-michael.nemanov@ti.com> References: <20240512183247.2190242-1-michael.nemanov@ti.com> Precedence: bulk X-Mailing-List: linux-wireless@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Content-Type: text/plain X-EXCLAIMER-MD-CONFIG: e1e8a2fd-e40a-4ac6-ac9b-f7e9cc9ee180 From: Michael Nemanov Files that expose HW stats and debug features. Signed-off-by: Michael Nemanov --- drivers/net/wireless/ti/cc33xx/debugfs.c | 2201 ++++++++++++++++++++++ drivers/net/wireless/ti/cc33xx/debugfs.h | 91 + 2 files changed, 2292 insertions(+) create mode 100644 drivers/net/wireless/ti/cc33xx/debugfs.c create mode 100644 drivers/net/wireless/ti/cc33xx/debugfs.h diff --git a/drivers/net/wireless/ti/cc33xx/debugfs.c b/drivers/net/wireless/ti/cc33xx/debugfs.c new file mode 100644 index 000000000000..720f65a9732e --- /dev/null +++ b/drivers/net/wireless/ti/cc33xx/debugfs.c @@ -0,0 +1,2201 @@ +// SPDX-License-Identifier: GPL-2.0-only + +/* Copyright (C) 2022-2024 Texas Instruments Inc.*/ + +#include "debugfs.h" +#include "acx.h" +#include "ps.h" +#include "io.h" +#include "tx.h" +#include "../net/mac80211/ieee80211_i.h" + +#define CC33XX_DEBUGFS_FWSTATS_FILE(a, b, c) \ + DEBUGFS_FWSTATS_FILE(a, b, c, cc33xx_acx_statistics) +#define CC33XX_DEBUGFS_FWSTATS_FILE_ARRAY(a, b, c) \ + DEBUGFS_FWSTATS_FILE_ARRAY(a, b, c, cc33xx_acx_statistics) + +CC33XX_DEBUGFS_FWSTATS_FILE(error, error_frame_non_ctrl, "%u"); +CC33XX_DEBUGFS_FWSTATS_FILE(error, error_frame_ctrl, "%u"); +CC33XX_DEBUGFS_FWSTATS_FILE(error, error_frame_during_protection, "%u"); +CC33XX_DEBUGFS_FWSTATS_FILE(error, null_frame_tx_start, "%u"); +CC33XX_DEBUGFS_FWSTATS_FILE(error, null_frame_cts_start, "%u"); +CC33XX_DEBUGFS_FWSTATS_FILE(error, bar_retry, "%u"); +CC33XX_DEBUGFS_FWSTATS_FILE(error, num_frame_cts_nul_flid, "%u"); +CC33XX_DEBUGFS_FWSTATS_FILE(error, tx_abort_failure, "%u"); +CC33XX_DEBUGFS_FWSTATS_FILE(error, tx_resume_failure, "%u"); +CC33XX_DEBUGFS_FWSTATS_FILE(error, rx_cmplt_db_overflow_cnt, "%u"); +CC33XX_DEBUGFS_FWSTATS_FILE(error, elp_while_rx_exch, "%u"); +CC33XX_DEBUGFS_FWSTATS_FILE(error, elp_while_tx_exch, "%u"); +CC33XX_DEBUGFS_FWSTATS_FILE(error, elp_while_tx, "%u"); +CC33XX_DEBUGFS_FWSTATS_FILE(error, elp_while_nvic_pending, "%u"); +CC33XX_DEBUGFS_FWSTATS_FILE(error, rx_excessive_frame_len, "%u"); +CC33XX_DEBUGFS_FWSTATS_FILE(error, burst_mismatch, "%u"); +CC33XX_DEBUGFS_FWSTATS_FILE(error, tbc_exch_mismatch, "%u"); + +CC33XX_DEBUGFS_FWSTATS_FILE(tx, tx_prepared_descs, "%u"); +CC33XX_DEBUGFS_FWSTATS_FILE(tx, tx_cmplt, "%u"); +CC33XX_DEBUGFS_FWSTATS_FILE(tx, tx_template_prepared, "%u"); +CC33XX_DEBUGFS_FWSTATS_FILE(tx, tx_data_prepared, "%u"); +CC33XX_DEBUGFS_FWSTATS_FILE(tx, tx_template_programmed, "%u"); +CC33XX_DEBUGFS_FWSTATS_FILE(tx, tx_data_programmed, "%u"); +CC33XX_DEBUGFS_FWSTATS_FILE(tx, tx_burst_programmed, "%u"); +CC33XX_DEBUGFS_FWSTATS_FILE(tx, tx_starts, "%u"); +CC33XX_DEBUGFS_FWSTATS_FILE(tx, tx_stop, "%u"); +CC33XX_DEBUGFS_FWSTATS_FILE(tx, tx_start_templates, "%u"); +CC33XX_DEBUGFS_FWSTATS_FILE(tx, tx_start_int_templates, "%u"); +CC33XX_DEBUGFS_FWSTATS_FILE(tx, tx_start_fw_gen, "%u"); +CC33XX_DEBUGFS_FWSTATS_FILE(tx, tx_start_data, "%u"); +CC33XX_DEBUGFS_FWSTATS_FILE(tx, tx_start_null_frame, "%u"); +CC33XX_DEBUGFS_FWSTATS_FILE(tx, tx_exch, "%u"); +CC33XX_DEBUGFS_FWSTATS_FILE(tx, tx_retry_template, "%u"); +CC33XX_DEBUGFS_FWSTATS_FILE(tx, tx_retry_data, "%u"); +CC33XX_DEBUGFS_FWSTATS_FILE_ARRAY(tx, tx_retry_per_rate, + NUM_OF_RATES_INDEXES); +CC33XX_DEBUGFS_FWSTATS_FILE(tx, tx_exch_pending, "%u"); +CC33XX_DEBUGFS_FWSTATS_FILE(tx, tx_exch_expiry, "%u"); +CC33XX_DEBUGFS_FWSTATS_FILE(tx, tx_done_template, "%u"); +CC33XX_DEBUGFS_FWSTATS_FILE(tx, tx_done_data, "%u"); +CC33XX_DEBUGFS_FWSTATS_FILE(tx, tx_done_int_template, "%u"); +CC33XX_DEBUGFS_FWSTATS_FILE(tx, tx_cfe1, "%u"); +CC33XX_DEBUGFS_FWSTATS_FILE(tx, tx_cfe2, "%u"); +CC33XX_DEBUGFS_FWSTATS_FILE(tx, frag_called, "%u"); +CC33XX_DEBUGFS_FWSTATS_FILE(tx, frag_mpdu_alloc_failed, "%u"); +CC33XX_DEBUGFS_FWSTATS_FILE(tx, frag_init_called, "%u"); +CC33XX_DEBUGFS_FWSTATS_FILE(tx, frag_in_process_called, "%u"); +CC33XX_DEBUGFS_FWSTATS_FILE(tx, frag_tkip_called, "%u"); +CC33XX_DEBUGFS_FWSTATS_FILE(tx, frag_key_not_found, "%u"); +CC33XX_DEBUGFS_FWSTATS_FILE(tx, frag_need_fragmentation, "%u"); +CC33XX_DEBUGFS_FWSTATS_FILE(tx, frag_bad_mblk_num, "%u"); +CC33XX_DEBUGFS_FWSTATS_FILE(tx, frag_failed, "%u"); +CC33XX_DEBUGFS_FWSTATS_FILE(tx, frag_cache_hit, "%u"); +CC33XX_DEBUGFS_FWSTATS_FILE(tx, frag_cache_miss, "%u"); + +CC33XX_DEBUGFS_FWSTATS_FILE(rx, rx_beacon_early_term, "%u"); +CC33XX_DEBUGFS_FWSTATS_FILE(rx, rx_out_of_mpdu_nodes, "%u"); +CC33XX_DEBUGFS_FWSTATS_FILE(rx, rx_hdr_overflow, "%u"); +CC33XX_DEBUGFS_FWSTATS_FILE(rx, rx_dropped_frame, "%u"); +CC33XX_DEBUGFS_FWSTATS_FILE(rx, rx_done, "%u"); +CC33XX_DEBUGFS_FWSTATS_FILE(rx, rx_defrag, "%u"); +CC33XX_DEBUGFS_FWSTATS_FILE(rx, rx_defrag_end, "%u"); +CC33XX_DEBUGFS_FWSTATS_FILE(rx, rx_cmplt, "%u"); +CC33XX_DEBUGFS_FWSTATS_FILE(rx, rx_pre_complt, "%u"); +CC33XX_DEBUGFS_FWSTATS_FILE(rx, rx_cmplt_task, "%u"); +CC33XX_DEBUGFS_FWSTATS_FILE(rx, rx_phy_hdr, "%u"); +CC33XX_DEBUGFS_FWSTATS_FILE(rx, rx_timeout, "%u"); +CC33XX_DEBUGFS_FWSTATS_FILE(rx, rx_rts_timeout, "%u"); +CC33XX_DEBUGFS_FWSTATS_FILE(rx, rx_timeout_wa, "%u"); +CC33XX_DEBUGFS_FWSTATS_FILE(rx, defrag_called, "%u"); +CC33XX_DEBUGFS_FWSTATS_FILE(rx, defrag_init_called, "%u"); +CC33XX_DEBUGFS_FWSTATS_FILE(rx, defrag_in_process_called, "%u"); +CC33XX_DEBUGFS_FWSTATS_FILE(rx, defrag_tkip_called, "%u"); +CC33XX_DEBUGFS_FWSTATS_FILE(rx, defrag_need_defrag, "%u"); +CC33XX_DEBUGFS_FWSTATS_FILE(rx, defrag_decrypt_failed, "%u"); +CC33XX_DEBUGFS_FWSTATS_FILE(rx, decrypt_key_not_found, "%u"); +CC33XX_DEBUGFS_FWSTATS_FILE(rx, defrag_need_decrypt, "%u"); +CC33XX_DEBUGFS_FWSTATS_FILE(rx, rx_tkip_replays, "%u"); +CC33XX_DEBUGFS_FWSTATS_FILE(rx, rx_xfr, "%u"); + +CC33XX_DEBUGFS_FWSTATS_FILE(isr, irqs, "%u"); + +CC33XX_DEBUGFS_FWSTATS_FILE(pwr, missing_bcns_cnt, "%u"); +CC33XX_DEBUGFS_FWSTATS_FILE(pwr, rcvd_bcns_cnt, "%u"); +CC33XX_DEBUGFS_FWSTATS_FILE(pwr, connection_out_of_sync, "%u"); +CC33XX_DEBUGFS_FWSTATS_FILE_ARRAY(pwr, cont_miss_bcns_spread, + PWR_STAT_MAX_CONT_MISSED_BCNS_SPREAD); +CC33XX_DEBUGFS_FWSTATS_FILE(pwr, rcvd_awake_bcns_cnt, "%u"); +CC33XX_DEBUGFS_FWSTATS_FILE(pwr, sleep_time_count, "%u"); +CC33XX_DEBUGFS_FWSTATS_FILE(pwr, sleep_time_avg, "%u"); +CC33XX_DEBUGFS_FWSTATS_FILE(pwr, sleep_cycle_avg, "%u"); +CC33XX_DEBUGFS_FWSTATS_FILE(pwr, sleep_percent, "%u"); +CC33XX_DEBUGFS_FWSTATS_FILE(pwr, ap_sleep_active_conf, "%u"); +CC33XX_DEBUGFS_FWSTATS_FILE(pwr, ap_sleep_user_conf, "%u"); +CC33XX_DEBUGFS_FWSTATS_FILE(pwr, ap_sleep_counter, "%u"); + +CC33XX_DEBUGFS_FWSTATS_FILE(rx_filter, beacon_filter, "%u"); +CC33XX_DEBUGFS_FWSTATS_FILE(rx_filter, arp_filter, "%u"); +CC33XX_DEBUGFS_FWSTATS_FILE(rx_filter, mc_filter, "%u"); +CC33XX_DEBUGFS_FWSTATS_FILE(rx_filter, dup_filter, "%u"); +CC33XX_DEBUGFS_FWSTATS_FILE(rx_filter, data_filter, "%u"); +CC33XX_DEBUGFS_FWSTATS_FILE(rx_filter, ibss_filter, "%u"); +CC33XX_DEBUGFS_FWSTATS_FILE(rx_filter, protection_filter, "%u"); +CC33XX_DEBUGFS_FWSTATS_FILE(rx_filter, accum_arp_pend_requests, "%u"); +CC33XX_DEBUGFS_FWSTATS_FILE(rx_filter, max_arp_queue_dep, "%u"); + +CC33XX_DEBUGFS_FWSTATS_FILE_ARRAY(rx_rate, rx_frames_per_rates, 50); + +CC33XX_DEBUGFS_FWSTATS_FILE_ARRAY(aggr_size, tx_agg_rate, + AGGR_STATS_TX_AGG); +CC33XX_DEBUGFS_FWSTATS_FILE_ARRAY(aggr_size, tx_agg_len, + AGGR_STATS_TX_AGG); +CC33XX_DEBUGFS_FWSTATS_FILE_ARRAY(aggr_size, rx_size, + AGGR_STATS_RX_SIZE_LEN); + +CC33XX_DEBUGFS_FWSTATS_FILE(pipeline, hs_tx_stat_fifo_int, "%u"); +CC33XX_DEBUGFS_FWSTATS_FILE(pipeline, enc_tx_stat_fifo_int, "%u"); +CC33XX_DEBUGFS_FWSTATS_FILE(pipeline, enc_rx_stat_fifo_int, "%u"); +CC33XX_DEBUGFS_FWSTATS_FILE(pipeline, rx_complete_stat_fifo_int, "%u"); +CC33XX_DEBUGFS_FWSTATS_FILE(pipeline, pre_proc_swi, "%u"); +CC33XX_DEBUGFS_FWSTATS_FILE(pipeline, post_proc_swi, "%u"); +CC33XX_DEBUGFS_FWSTATS_FILE(pipeline, sec_frag_swi, "%u"); +CC33XX_DEBUGFS_FWSTATS_FILE(pipeline, pre_to_defrag_swi, "%u"); +CC33XX_DEBUGFS_FWSTATS_FILE(pipeline, defrag_to_rx_xfer_swi, "%u"); +CC33XX_DEBUGFS_FWSTATS_FILE(pipeline, dec_packet_in, "%u"); +CC33XX_DEBUGFS_FWSTATS_FILE(pipeline, dec_packet_in_fifo_full, "%u"); +CC33XX_DEBUGFS_FWSTATS_FILE(pipeline, dec_packet_out, "%u"); + +CC33XX_DEBUGFS_FWSTATS_FILE_ARRAY(pipeline, pipeline_fifo_full, + PIPE_STATS_HW_FIFO); + +CC33XX_DEBUGFS_FWSTATS_FILE_ARRAY(diversity, num_of_packets_per_ant, + DIVERSITY_STATS_NUM_OF_ANT); +CC33XX_DEBUGFS_FWSTATS_FILE(diversity, total_num_of_toggles, "%u"); + +CC33XX_DEBUGFS_FWSTATS_FILE(thermal, irq_thr_low, "%u"); +CC33XX_DEBUGFS_FWSTATS_FILE(thermal, irq_thr_high, "%u"); +CC33XX_DEBUGFS_FWSTATS_FILE(thermal, tx_stop, "%u"); +CC33XX_DEBUGFS_FWSTATS_FILE(thermal, tx_resume, "%u"); +CC33XX_DEBUGFS_FWSTATS_FILE(thermal, false_irq, "%u"); +CC33XX_DEBUGFS_FWSTATS_FILE(thermal, adc_source_unexpected, "%u"); + +CC33XX_DEBUGFS_FWSTATS_FILE_ARRAY(calib, fail_count, + CC33XX_NUM_OF_CALIBRATIONS_ERRORS); +CC33XX_DEBUGFS_FWSTATS_FILE(calib, calib_count, "%u"); + +CC33XX_DEBUGFS_FWSTATS_FILE(roaming, rssi_level, "%d"); + +CC33XX_DEBUGFS_FWSTATS_FILE(dfs, num_of_radar_detections, "%d"); + +struct cc33xx_cmd_dfs_radar_debug { + struct cc33xx_cmd_header header; + + u8 channel; + u8 padding[3]; +} __packed; + +/* ms */ +#define CC33XX_DEBUGFS_STATS_LIFETIME 1000 +#define MAX_VERSIONS_LEN 59 +#define MAX_VERSIONS_EXTENDED_LEN 86 + +static int cc33xx_cmd_radar_detection_debug(struct cc33xx *cc, u8 channel) +{ + struct cc33xx_cmd_dfs_radar_debug *cmd; + int ret = 0; + + cc33xx_debug(DEBUG_CMD, "cmd radar detection debug (chan %d)", + channel); + + cmd = kzalloc(sizeof(*cmd), GFP_KERNEL); + if (!cmd) + return -ENOMEM; + + cmd->channel = channel; + + ret = cc33xx_cmd_send(cc, CMD_DFS_RADAR_DETECTION_DEBUG, + cmd, sizeof(*cmd), 0); + if (ret < 0) { + cc33xx_error("failed to send radar detection debug command"); + goto out_free; + } + +out_free: + kfree(cmd); + return ret; +} + +static ssize_t conf_read(struct file *file, char __user *user_buf, + size_t count, loff_t *ppos) +{ + struct cc33xx *cc = file->private_data; + struct cc33xx_conf_header header; + char *buf, *pos; + size_t len; + int ret; + + len = CC33X_CONF_SIZE; + buf = kmalloc(len, GFP_KERNEL); + if (!buf) + return -ENOMEM; + + header.magic = cpu_to_le32(CC33XX_CONF_MAGIC); + header.version = cpu_to_le32(CC33XX_CONF_VERSION); + header.checksum = 0; + + mutex_lock(&cc->mutex); + + pos = buf; + memcpy(pos, &header, sizeof(header)); + pos += sizeof(header); + memcpy(pos, &cc->conf, sizeof(cc->conf)); + + mutex_unlock(&cc->mutex); + + ret = simple_read_from_buffer(user_buf, count, ppos, buf, len); + + kfree(buf); + return ret; +} + +static const struct file_operations conf_ops = { + .read = conf_read, + .open = simple_open, + .llseek = default_llseek, +}; + +static ssize_t clear_fw_stats_write(struct file *file, + const char __user *user_buf, + size_t count, loff_t *ppos) +{ + struct cc33xx *cc = file->private_data; + int ret; + + mutex_lock(&cc->mutex); + + if (unlikely(cc->state != CC33XX_STATE_ON)) + goto out; + + ret = cc33xx_acx_clear_statistics(cc); + if (ret < 0) { + count = ret; + goto out; + } +out: + mutex_unlock(&cc->mutex); + return count; +} + +static const struct file_operations clear_fw_stats_ops = { + .write = clear_fw_stats_write, + .open = simple_open, + .llseek = default_llseek, +}; + +static ssize_t radar_detection_write(struct file *file, + const char __user *user_buf, + size_t count, loff_t *ppos) +{ + struct cc33xx *cc = file->private_data; + int ret; + u8 channel; + + ret = kstrtou8_from_user(user_buf, count, 10, &channel); + if (ret < 0) { + cc33xx_warning("illegal channel"); + return -EINVAL; + } + + mutex_lock(&cc->mutex); + + if (unlikely(cc->state != CC33XX_STATE_ON)) + goto out; + + ret = cc33xx_cmd_radar_detection_debug(cc, channel); + if (ret < 0) + count = ret; + +out: + mutex_unlock(&cc->mutex); + return count; +} + +static const struct file_operations radar_detection_ops = { + .write = radar_detection_write, + .open = simple_open, + .llseek = default_llseek, +}; + +static ssize_t dynamic_fw_traces_write(struct file *file, + const char __user *user_buf, + size_t count, loff_t *ppos) +{ + struct cc33xx *cc = file->private_data; + unsigned long value; + int ret; + + ret = kstrtoul_from_user(user_buf, count, 0, &value); + if (ret < 0) + return ret; + + cc->dynamic_fw_traces = value; + + return count; +} + +static ssize_t dynamic_fw_traces_read(struct file *file, char __user *userbuf, + size_t count, loff_t *ppos) +{ + struct cc33xx *cc = file->private_data; + + return cc33xx_format_buffer(userbuf, count, ppos, + "%d\n", cc->dynamic_fw_traces); +} + +static const struct file_operations dynamic_fw_traces_ops = { + .read = dynamic_fw_traces_read, + .write = dynamic_fw_traces_write, + .open = simple_open, + .llseek = default_llseek, +}; + +#ifdef CONFIG_CFG80211_CERTIFICATION_ONUS +static ssize_t radar_debug_mode_write(struct file *file, + const char __user *user_buf, + size_t count, loff_t *ppos) +{ + struct cc33xx *cc = file->private_data; + struct cc33xx_vif *wlvif; + unsigned long value; + int ret; + + ret = kstrtoul_from_user(user_buf, count, 10, &value); + if (ret < 0) { + cc33xx_warning("illegal radar_debug_mode value!"); + return -EINVAL; + } + + /* valid values: 0/1 */ + if (!(value == 0 || value == 1)) { + cc33xx_warning("value is not in valid!"); + return -EINVAL; + } + + mutex_lock(&cc->mutex); + + cc->radar_debug_mode = value; + + if (unlikely(cc->state != CC33XX_STATE_ON)) + goto out; + + cc33xx_for_each_wlvif_ap(cc, wlvif) { + cc33xx_cmd_generic_cfg(cc, wlvif, + CC33XX_CFG_FEATURE_RADAR_DEBUG, + cc->radar_debug_mode, 0); + } + +out: + mutex_unlock(&cc->mutex); + return count; +} + +static ssize_t radar_debug_mode_read(struct file *file, + char __user *userbuf, + size_t count, loff_t *ppos) +{ + struct cc33xx *cc = file->private_data; + + return cc33xx_format_buffer(userbuf, count, ppos, + "%d\n", cc->radar_debug_mode); +} + +static const struct file_operations radar_debug_mode_ops = { + .write = radar_debug_mode_write, + .read = radar_debug_mode_read, + .open = simple_open, + .llseek = default_llseek, +}; + +static inline void cc33xx_debugfs_add_files_helper(struct dentry *moddir) +{ + DEBUGFS_ADD(radar_debug_mode, moddir); +} +#else +static inline void cc33xx_debugfs_add_files_helper(struct dentry *moddir) {} +#endif /* CFG80211_CERTIFICATION_ONUS */ + +/* debugfs macros idea from mac80211 */ +int cc33xx_format_buffer(char __user *userbuf, size_t count, + loff_t *ppos, char *fmt, ...) +{ + va_list args; + char buf[DEBUGFS_FORMAT_BUFFER_SIZE]; + int res; + + va_start(args, fmt); + res = vscnprintf(buf, sizeof(buf), fmt, args); + va_end(args); + + return simple_read_from_buffer(userbuf, count, ppos, buf, res); +} + +void cc33xx_debugfs_update_stats(struct cc33xx *cc) +{ + mutex_lock(&cc->mutex); + + if (unlikely(cc->state != CC33XX_STATE_ON)) + goto out; + + if (!cc->plt && time_after(jiffies, cc->stats.fw_stats_update + + msecs_to_jiffies(CC33XX_DEBUGFS_STATS_LIFETIME))) { + cc33xx_acx_statistics(cc, cc->stats.fw_stats); + cc->stats.fw_stats_update = jiffies; + } + +out: + mutex_unlock(&cc->mutex); +} + +DEBUGFS_READONLY_FILE(retry_count, "%u", cc->stats.retry_count); +DEBUGFS_READONLY_FILE(excessive_retries, "%u", cc->stats.excessive_retries); + +static ssize_t tx_queue_len_read(struct file *file, char __user *userbuf, + size_t count, loff_t *ppos) +{ + struct cc33xx *cc = file->private_data; + u32 queue_len; + char buf[20]; + int res; + + queue_len = cc33xx_tx_total_queue_count(cc); + + res = scnprintf(buf, sizeof(buf), "%u\n", queue_len); + return simple_read_from_buffer(userbuf, count, ppos, buf, res); +} + +static const struct file_operations tx_queue_len_ops = { + .read = tx_queue_len_read, + .open = simple_open, + .llseek = default_llseek, +}; + +static ssize_t gpio_power_read(struct file *file, char __user *user_buf, + size_t count, loff_t *ppos) +{ + struct cc33xx *cc = file->private_data; + bool state = test_bit(CC33XX_FLAG_GPIO_POWER, &cc->flags); + + int res; + char buf[10]; + + res = scnprintf(buf, sizeof(buf), "%d\n", state); + + return simple_read_from_buffer(user_buf, count, ppos, buf, res); +} + +static ssize_t gpio_power_write(struct file *file, const char __user *user_buf, + size_t count, loff_t *ppos) +{ + struct cc33xx *cc = file->private_data; + unsigned long value; + int ret; + + ret = kstrtoul_from_user(user_buf, count, 10, &value); + if (ret < 0) { + cc33xx_warning("illegal value in gpio_power"); + return -EINVAL; + } + + mutex_lock(&cc->mutex); + + if (value) + cc33xx_power_on(cc); + else + cc33xx_power_off(cc); + + mutex_unlock(&cc->mutex); + return count; +} + +static const struct file_operations gpio_power_ops = { + .read = gpio_power_read, + .write = gpio_power_write, + .open = simple_open, + .llseek = default_llseek, +}; + +static ssize_t start_recovery_write(struct file *file, + const char __user *user_buf, + size_t count, loff_t *ppos) +{ + struct cc33xx *cc = file->private_data; + + mutex_lock(&cc->mutex); + cc33xx_queue_recovery_work(cc); + mutex_unlock(&cc->mutex); + + return count; +} + +static const struct file_operations start_recovery_ops = { + .write = start_recovery_write, + .open = simple_open, + .llseek = default_llseek, +}; + +static ssize_t dynamic_ps_timeout_read(struct file *file, char __user *user_buf, + size_t count, loff_t *ppos) +{ + struct cc33xx *cc = file->private_data; + + return cc33xx_format_buffer(user_buf, count, ppos, "%d\n", + cc->conf.host_conf.conn.dynamic_ps_timeout); +} + +static ssize_t dynamic_ps_timeout_write(struct file *file, + const char __user *user_buf, + size_t count, loff_t *ppos) +{ + struct cc33xx *cc = file->private_data; + struct cc33xx_vif *wlvif; + unsigned long value; + int ret; + + ret = kstrtoul_from_user(user_buf, count, 10, &value); + if (ret < 0) { + cc33xx_warning("illegal value in dynamic_ps"); + return -EINVAL; + } + + if (value < 1 || value > 65535) { + cc33xx_warning("dynamic_ps_timeout is not in valid range"); + return -ERANGE; + } + + mutex_lock(&cc->mutex); + + cc->conf.host_conf.conn.dynamic_ps_timeout = value; + + if (unlikely(cc->state != CC33XX_STATE_ON)) + goto out; + + /* In case we're already in PSM, trigger it again to set new timeout + * immediately without waiting for re-association + */ + + cc33xx_for_each_wlvif_sta(cc, wlvif) { + if (test_bit(WLVIF_FLAG_IN_PS, &wlvif->flags)) + cc33xx_ps_set_mode(cc, wlvif, STATION_AUTO_PS_MODE); + } + +out: + mutex_unlock(&cc->mutex); + return count; +} + +static const struct file_operations dynamic_ps_timeout_ops = { + .read = dynamic_ps_timeout_read, + .write = dynamic_ps_timeout_write, + .open = simple_open, + .llseek = default_llseek, +}; + +static ssize_t forced_ps_read(struct file *file, char __user *user_buf, + size_t count, loff_t *ppos) +{ + struct cc33xx *cc = file->private_data; + + return cc33xx_format_buffer(user_buf, count, ppos, "%d\n", + cc->conf.host_conf.conn.forced_ps); +} + +static ssize_t forced_ps_write(struct file *file, const char __user *user_buf, + size_t count, loff_t *ppos) +{ + struct cc33xx *cc = file->private_data; + struct cc33xx_vif *wlvif; + unsigned long value; + int ret, ps_mode; + + ret = kstrtoul_from_user(user_buf, count, 10, &value); + if (ret < 0) { + cc33xx_warning("illegal value in forced_ps"); + return -EINVAL; + } + + if (value != 1 && value != 0) { + cc33xx_warning("forced_ps should be either 0 or 1"); + return -ERANGE; + } + + mutex_lock(&cc->mutex); + + if (cc->conf.host_conf.conn.forced_ps == value) + goto out; + + cc->conf.host_conf.conn.forced_ps = value; + + if (unlikely(cc->state != CC33XX_STATE_ON)) + goto out; + + /* In case we're already in PSM, trigger it again to switch mode + * immediately without waiting for re-association + */ + + ps_mode = value ? STATION_POWER_SAVE_MODE : STATION_AUTO_PS_MODE; + + cc33xx_for_each_wlvif_sta(cc, wlvif) { + if (test_bit(WLVIF_FLAG_IN_PS, &wlvif->flags)) + cc33xx_ps_set_mode(cc, wlvif, ps_mode); + } + +out: + mutex_unlock(&cc->mutex); + return count; +} + +static const struct file_operations forced_ps_ops = { + .read = forced_ps_read, + .write = forced_ps_write, + .open = simple_open, + .llseek = default_llseek, +}; + +static ssize_t split_scan_timeout_read(struct file *file, char __user *user_buf, + size_t count, loff_t *ppos) +{ + struct cc33xx *cc = file->private_data; + + return cc33xx_format_buffer(user_buf, count, ppos, "%d\n", + cc->conf.host_conf.scan.split_scan_timeout / 1000); +} + +static ssize_t split_scan_timeout_write(struct file *file, + const char __user *user_buf, + size_t count, loff_t *ppos) +{ + struct cc33xx *cc = file->private_data; + unsigned long value; + int ret; + + ret = kstrtoul_from_user(user_buf, count, 10, &value); + if (ret < 0) { + cc33xx_warning("illegal value in split_scan_timeout"); + return -EINVAL; + } + + if (value == 0) + cc33xx_info("split scan will be disabled"); + + mutex_lock(&cc->mutex); + + cc->conf.host_conf.scan.split_scan_timeout = value * 1000; + + mutex_unlock(&cc->mutex); + return count; +} + +static const struct file_operations split_scan_timeout_ops = { + .read = split_scan_timeout_read, + .write = split_scan_timeout_write, + .open = simple_open, + .llseek = default_llseek, +}; + +#define DRIVER_STATE_BUF_LEN 1024 + +#define DRIVER_STATE_PRINT(x, fmt) \ + (res += scnprintf(buf + res, DRIVER_STATE_BUF_LEN - res,\ + #x " = " fmt "\n", cc->x)) + +#define DRIVER_STATE_PRINT_GENERIC(x, fmt, args...) \ + (res += scnprintf(buf + res, DRIVER_STATE_BUF_LEN - res,\ + #x " = " fmt "\n", args)) + +#define DRIVER_STATE_PRINT_LONG(x) DRIVER_STATE_PRINT(x, "%ld") +#define DRIVER_STATE_PRINT_INT(x) DRIVER_STATE_PRINT(x, "%d") +#define DRIVER_STATE_PRINT_STR(x) DRIVER_STATE_PRINT(x, "%s") +#define DRIVER_STATE_PRINT_LHEX(x) DRIVER_STATE_PRINT(x, "0x%lx") +#define DRIVER_STATE_PRINT_HEX(x) DRIVER_STATE_PRINT(x, "0x%x") + +static ssize_t driver_state_read(struct file *file, char __user *user_buf, + size_t count, loff_t *ppos) +{ + struct cc33xx *cc = file->private_data; + int res = 0; + ssize_t ret; + char *buf; + struct cc33xx_vif *wlvif; + + buf = kmalloc(DRIVER_STATE_BUF_LEN, GFP_KERNEL); + if (!buf) + return -ENOMEM; + + mutex_lock(&cc->mutex); + + cc33xx_for_each_wlvif_sta(cc, wlvif) { + if (!test_bit(WLVIF_FLAG_STA_ASSOCIATED, &wlvif->flags)) + continue; + + DRIVER_STATE_PRINT_GENERIC(channel, "%d (%s)", wlvif->channel, + wlvif->p2p ? "P2P-CL" : "STA"); + } + + cc33xx_for_each_wlvif_ap(cc, wlvif) + DRIVER_STATE_PRINT_GENERIC(channel, "%d (%s)", wlvif->channel, + wlvif->p2p ? "P2P-GO" : "AP"); + + DRIVER_STATE_PRINT_INT(tx_blocks_available); + DRIVER_STATE_PRINT_INT(tx_allocated_blocks); + DRIVER_STATE_PRINT_INT(tx_allocated_pkts[0]); + DRIVER_STATE_PRINT_INT(tx_allocated_pkts[1]); + DRIVER_STATE_PRINT_INT(tx_allocated_pkts[2]); + DRIVER_STATE_PRINT_INT(tx_allocated_pkts[3]); + DRIVER_STATE_PRINT_INT(tx_frames_cnt); + DRIVER_STATE_PRINT_LHEX(tx_frames_map[0]); + DRIVER_STATE_PRINT_INT(tx_queue_count[0]); + DRIVER_STATE_PRINT_INT(tx_queue_count[1]); + DRIVER_STATE_PRINT_INT(tx_queue_count[2]); + DRIVER_STATE_PRINT_INT(tx_queue_count[3]); + DRIVER_STATE_PRINT_LHEX(flags); + DRIVER_STATE_PRINT_INT(rx_counter); + DRIVER_STATE_PRINT_INT(state); + DRIVER_STATE_PRINT_INT(band); + DRIVER_STATE_PRINT_INT(power_level); + DRIVER_STATE_PRINT_INT(enable_11a); + DRIVER_STATE_PRINT_LHEX(ap_fw_ps_map); + DRIVER_STATE_PRINT_LHEX(ap_ps_map); + DRIVER_STATE_PRINT_HEX(quirks); + /* TODO: ref_clock and tcxo_clock were moved to wl12xx priv */ + +#undef DRIVER_STATE_PRINT_INT +#undef DRIVER_STATE_PRINT_LONG +#undef DRIVER_STATE_PRINT_HEX +#undef DRIVER_STATE_PRINT_LHEX +#undef DRIVER_STATE_PRINT_STR +#undef DRIVER_STATE_PRINT +#undef DRIVER_STATE_BUF_LEN + + mutex_unlock(&cc->mutex); + + ret = simple_read_from_buffer(user_buf, count, ppos, buf, res); + kfree(buf); + return ret; +} + +static const struct file_operations driver_state_ops = { + .read = driver_state_read, + .open = simple_open, + .llseek = default_llseek, +}; + +static ssize_t vifs_state_read(struct file *file, char __user *user_buf, + size_t count, loff_t *ppos) +{ + struct cc33xx *cc = file->private_data; + struct cc33xx_vif *wlvif; + int ret, res = 0; + const int buf_size = 4096; + char *buf; + char tmp_buf[64]; + + buf = kzalloc(buf_size, GFP_KERNEL); + if (!buf) + return -ENOMEM; + + mutex_lock(&cc->mutex); + +#define VIF_STATE_PRINT(x, fmt) \ + (res += scnprintf(buf + res, buf_size - res, \ + #x " = " fmt "\n", wlvif->x)) + +#define VIF_STATE_PRINT_LONG(x) VIF_STATE_PRINT(x, "%ld") +#define VIF_STATE_PRINT_INT(x) VIF_STATE_PRINT(x, "%d") +#define VIF_STATE_PRINT_STR(x) VIF_STATE_PRINT(x, "%s") +#define VIF_STATE_PRINT_LHEX(x) VIF_STATE_PRINT(x, "0x%lx") +#define VIF_STATE_PRINT_LLHEX(x) VIF_STATE_PRINT(x, "0x%llx") +#define VIF_STATE_PRINT_HEX(x) VIF_STATE_PRINT(x, "0x%x") + +#define VIF_STATE_PRINT_NSTR(x, len) \ + do { \ + memset(tmp_buf, 0, sizeof(tmp_buf)); \ + memcpy(tmp_buf, wlvif->x, \ + min_t(u8, len, sizeof(tmp_buf) - 1)); \ + res += scnprintf(buf + res, buf_size - res, \ + #x " = %s\n", tmp_buf); \ + } while (0) + + cc33xx_for_each_wlvif(cc, wlvif) { + VIF_STATE_PRINT_INT(role_id); + VIF_STATE_PRINT_INT(bss_type); + VIF_STATE_PRINT_LHEX(flags); + VIF_STATE_PRINT_INT(p2p); + VIF_STATE_PRINT_INT(dev_role_id); + VIF_STATE_PRINT_INT(dev_hlid); + + if (wlvif->bss_type == BSS_TYPE_STA_BSS || + wlvif->bss_type == BSS_TYPE_IBSS) { + VIF_STATE_PRINT_INT(sta.hlid); + VIF_STATE_PRINT_INT(sta.basic_rate_idx); + VIF_STATE_PRINT_INT(sta.ap_rate_idx); + VIF_STATE_PRINT_INT(sta.p2p_rate_idx); + VIF_STATE_PRINT_INT(sta.qos); + } else { + VIF_STATE_PRINT_INT(ap.global_hlid); + VIF_STATE_PRINT_INT(ap.bcast_hlid); + VIF_STATE_PRINT_LHEX(ap.sta_hlid_map[0]); + VIF_STATE_PRINT_INT(ap.mgmt_rate_idx); + VIF_STATE_PRINT_INT(ap.bcast_rate_idx); + VIF_STATE_PRINT_INT(ap.ucast_rate_idx[0]); + VIF_STATE_PRINT_INT(ap.ucast_rate_idx[1]); + VIF_STATE_PRINT_INT(ap.ucast_rate_idx[2]); + VIF_STATE_PRINT_INT(ap.ucast_rate_idx[3]); + } + VIF_STATE_PRINT_INT(last_tx_hlid); + VIF_STATE_PRINT_INT(tx_queue_count[0]); + VIF_STATE_PRINT_INT(tx_queue_count[1]); + VIF_STATE_PRINT_INT(tx_queue_count[2]); + VIF_STATE_PRINT_INT(tx_queue_count[3]); + VIF_STATE_PRINT_LHEX(links_map[0]); + VIF_STATE_PRINT_NSTR(ssid, wlvif->ssid_len); + VIF_STATE_PRINT_INT(band); + VIF_STATE_PRINT_INT(channel); + VIF_STATE_PRINT_HEX(bitrate_masks[0]); + VIF_STATE_PRINT_HEX(bitrate_masks[1]); + VIF_STATE_PRINT_HEX(basic_rate_set); + VIF_STATE_PRINT_HEX(basic_rate); + VIF_STATE_PRINT_HEX(rate_set); + VIF_STATE_PRINT_INT(beacon_int); + VIF_STATE_PRINT_INT(default_key); + VIF_STATE_PRINT_INT(aid); + VIF_STATE_PRINT_INT(psm_entry_retry); + VIF_STATE_PRINT_INT(power_level); + VIF_STATE_PRINT_INT(rssi_thold); + VIF_STATE_PRINT_INT(last_rssi_event); + VIF_STATE_PRINT_INT(ba_support); + VIF_STATE_PRINT_INT(ba_allowed); + VIF_STATE_PRINT_LLHEX(total_freed_pkts); + } + +#undef VIF_STATE_PRINT_INT +#undef VIF_STATE_PRINT_LONG +#undef VIF_STATE_PRINT_HEX +#undef VIF_STATE_PRINT_LHEX +#undef VIF_STATE_PRINT_LLHEX +#undef VIF_STATE_PRINT_STR +#undef VIF_STATE_PRINT_NSTR +#undef VIF_STATE_PRINT + + mutex_unlock(&cc->mutex); + + ret = simple_read_from_buffer(user_buf, count, ppos, buf, res); + kfree(buf); + return ret; +} + +static const struct file_operations vifs_state_ops = { + .read = vifs_state_read, + .open = simple_open, + .llseek = default_llseek, +}; + +static ssize_t dtim_interval_read(struct file *file, char __user *user_buf, + size_t count, loff_t *ppos) +{ + struct cc33xx *cc = file->private_data; + u8 value; + + if (cc->conf.core.wake_up_event == CONF_WAKE_UP_EVENT_DTIM || + cc->conf.core.wake_up_event == CONF_WAKE_UP_EVENT_N_DTIM) + value = cc->conf.core.listen_interval; + else + value = 0; + + return cc33xx_format_buffer(user_buf, count, ppos, "%d\n", value); +} + +static ssize_t dtim_interval_write(struct file *file, + const char __user *user_buf, + size_t count, loff_t *ppos) +{ + struct cc33xx *cc = file->private_data; + struct cc33xx_vif *wlvif = NULL; + struct ieee80211_sub_if_data *sdata = NULL; + struct ieee80211_vif *vif = NULL; + unsigned long value; + int ret; + + ret = kstrtoul_from_user(user_buf, count, 10, &value); + if (ret < 0) { + cc33xx_warning("illegal value for dtim_interval"); + return -EINVAL; + } + + if (value < 1 || value > 10) { + cc33xx_warning("dtim value is not in valid range"); + return -ERANGE; + } + + mutex_lock(&cc->mutex); + + cc->conf.core.listen_interval = value; + + if (value == 1) + cc->conf.core.wake_up_event = CONF_WAKE_UP_EVENT_DTIM; + else + cc->conf.core.wake_up_event = CONF_WAKE_UP_EVENT_N_DTIM; + + cc33xx_for_each_wlvif_sta(cc, wlvif) { + if (!cc33xx_is_p2p_mgmt(wlvif)) { + vif = cc33xx_wlvif_to_vif(wlvif); + sdata = vif_to_sdata(vif); + cc33xx_debug(DEBUG_CMD, "Setting LSI on interface %s", + sdata->name); + ret = cc33xx_acx_wake_up_conditions(cc, wlvif, + cc->conf.core.wake_up_event, + cc->conf.core.listen_interval); + if (ret < 0) { + vif = cc33xx_wlvif_to_vif(wlvif); + sdata = vif_to_sdata(vif); + cc33xx_warning("Failed to set LSI on interface %s", + sdata->name); + return ret; + } + } + } + mutex_unlock(&cc->mutex); + return count; +} + +static const struct file_operations dtim_interval_ops = { + .read = dtim_interval_read, + .write = dtim_interval_write, + .open = simple_open, + .llseek = default_llseek, +}; + +static ssize_t suspend_dtim_interval_read(struct file *file, + char __user *user_buf, + size_t count, loff_t *ppos) +{ + struct cc33xx *cc = file->private_data; + u8 value; + + if (cc->conf.core.suspend_wake_up_event == CONF_WAKE_UP_EVENT_DTIM || + cc->conf.core.suspend_wake_up_event == CONF_WAKE_UP_EVENT_N_DTIM) + value = cc->conf.core.suspend_listen_interval; + else + value = 0; + + return cc33xx_format_buffer(user_buf, count, ppos, "%d\n", value); +} + +static ssize_t suspend_dtim_interval_write(struct file *file, + const char __user *user_buf, + size_t count, loff_t *ppos) +{ + struct cc33xx *cc = file->private_data; + unsigned long value; + int ret; + + ret = kstrtoul_from_user(user_buf, count, 10, &value); + if (ret < 0) { + cc33xx_warning("illegal value for suspend_dtim_interval"); + return -EINVAL; + } + + if (value < 1 || value > 10) { + cc33xx_warning("suspend_dtim value is not in valid range"); + return -ERANGE; + } + + mutex_lock(&cc->mutex); + + cc->conf.core.suspend_listen_interval = value; + /* for some reason there are different event types for 1 and >1 */ + if (value == 1) + cc->conf.core.suspend_wake_up_event = CONF_WAKE_UP_EVENT_DTIM; + else + cc->conf.core.suspend_wake_up_event = CONF_WAKE_UP_EVENT_N_DTIM; + + mutex_unlock(&cc->mutex); + return count; +} + +static const struct file_operations suspend_dtim_interval_ops = { + .read = suspend_dtim_interval_read, + .write = suspend_dtim_interval_write, + .open = simple_open, + .llseek = default_llseek, +}; + +static ssize_t beacon_interval_read(struct file *file, char __user *user_buf, + size_t count, loff_t *ppos) +{ + struct cc33xx *cc = file->private_data; + u8 value; + + if (cc->conf.core.wake_up_event == CONF_WAKE_UP_EVENT_BEACON || + cc->conf.core.wake_up_event == CONF_WAKE_UP_EVENT_N_BEACONS) + value = cc->conf.core.listen_interval; + else + value = 0; + + return cc33xx_format_buffer(user_buf, count, ppos, "%d\n", value); +} + +static ssize_t beacon_interval_write(struct file *file, + const char __user *user_buf, + size_t count, loff_t *ppos) +{ + struct cc33xx *cc = file->private_data; + unsigned long value; + int ret; + + ret = kstrtoul_from_user(user_buf, count, 10, &value); + if (ret < 0) { + cc33xx_warning("illegal value for beacon_interval"); + return -EINVAL; + } + + if (value < 1 || value > 255) { + cc33xx_warning("beacon interval value is not in valid range"); + return -ERANGE; + } + + mutex_lock(&cc->mutex); + + cc->conf.core.listen_interval = value; + /* for some reason there are different event types for 1 and >1 */ + if (value == 1) + cc->conf.core.wake_up_event = CONF_WAKE_UP_EVENT_BEACON; + else + cc->conf.core.wake_up_event = CONF_WAKE_UP_EVENT_N_BEACONS; + + /* we don't reconfigure ACX_WAKE_UP_CONDITIONS now, so it will only + * take effect on the next time we enter psm. + */ + mutex_unlock(&cc->mutex); + return count; +} + +static const struct file_operations beacon_interval_ops = { + .read = beacon_interval_read, + .write = beacon_interval_write, + .open = simple_open, + .llseek = default_llseek, +}; + +static ssize_t beacon_filtering_write(struct file *file, + const char __user *user_buf, + size_t count, loff_t *ppos) +{ + struct cc33xx *cc = file->private_data; + struct cc33xx_vif *wlvif; + unsigned long value; + int ret; + + ret = kstrtoul_from_user(user_buf, count, 0, &value); + if (ret < 0) { + cc33xx_warning("illegal value for beacon_filtering!"); + return -EINVAL; + } + + mutex_lock(&cc->mutex); + + cc33xx_for_each_wlvif(cc, wlvif) { + ret = cc33xx_acx_beacon_filter_opt(cc, wlvif, !!value); + } + + mutex_unlock(&cc->mutex); + return count; +} + +static const struct file_operations beacon_filtering_ops = { + .write = beacon_filtering_write, + .open = simple_open, + .llseek = default_llseek, +}; + +static ssize_t fw_stats_raw_read(struct file *file, char __user *userbuf, + size_t count, loff_t *ppos) +{ + struct cc33xx *cc = file->private_data; + + cc33xx_debugfs_update_stats(cc); + + return simple_read_from_buffer(userbuf, count, ppos, + cc->stats.fw_stats, + sizeof(struct cc33xx_acx_statistics)); +} + +static const struct file_operations fw_stats_raw_ops = { + .read = fw_stats_raw_read, + .open = simple_open, + .llseek = default_llseek, +}; + +static ssize_t sleep_auth_read(struct file *file, char __user *user_buf, + size_t count, loff_t *ppos) +{ + struct cc33xx *cc = file->private_data; + + return cc33xx_format_buffer(user_buf, count, ppos, "%d\n", + cc->sleep_auth); +} + +static ssize_t sleep_auth_write(struct file *file, const char __user *user_buf, + size_t count, loff_t *ppos) +{ + struct cc33xx *cc = file->private_data; + unsigned long value; + int ret; + + ret = kstrtoul_from_user(user_buf, count, 0, &value); + if (ret < 0) { + cc33xx_warning("illegal value in sleep_auth"); + return -EINVAL; + } + + if (value > CC33XX_PSM_MAX) { + cc33xx_warning("sleep_auth must be between 0 and %d", + CC33XX_PSM_MAX); + return -ERANGE; + } + + mutex_lock(&cc->mutex); + + cc->conf.host_conf.conn.sta_sleep_auth = value; + + if (unlikely(cc->state != CC33XX_STATE_ON)) { + /* this will show up on "read" in case we are off */ + cc->sleep_auth = value; + goto out; + } + + cc33xx_acx_sleep_auth(cc, value); + +out: + mutex_unlock(&cc->mutex); + return count; +} + +static const struct file_operations sleep_auth_ops = { + .read = sleep_auth_read, + .write = sleep_auth_write, + .open = simple_open, + .llseek = default_llseek, +}; + +static ssize_t ble_enable_read(struct file *file, char __user *user_buf, + size_t count, loff_t *ppos) +{ + struct cc33xx *cc = file->private_data; + + return cc33xx_format_buffer(user_buf, count, ppos, + "%d\n", cc->ble_enable); +} + +static ssize_t ble_enable_write(struct file *file, const char __user *user_buf, + size_t count, loff_t *ppos) +{ + struct cc33xx *cc = file->private_data; + unsigned long value; + int ret; + + ret = kstrtoul_from_user(user_buf, count, 0, &value); + + if (value == cc->ble_enable) { + cc33xx_warning("ble_enable is already %d", cc->ble_enable); + return -EINVAL; + } + + if (value != 1) { + cc33xx_warning("illegal value in ble_enable (only value allowed is 1)"); + cc33xx_warning("ble_enable can't be disabled after being enabled."); + return -EINVAL; + } + + mutex_lock(&cc->mutex); + + if (unlikely(cc->state != CC33XX_STATE_ON)) { + /* this will show up on "read" in case we are off */ + cc->ble_enable = value; + goto out; + } + + cc33xx_ble_enable(cc, value); +out: + mutex_unlock(&cc->mutex); + return count; +} + +static const struct file_operations ble_enable_ops = { + .read = ble_enable_read, + .write = ble_enable_write, + .open = simple_open, + .llseek = default_llseek, +}; + +static inline ssize_t set_tsf_read(struct file *file, char __user *user_buf, + size_t count, loff_t *ppos) +{ + return cc33xx_format_buffer(user_buf, count, ppos, "%llx\n", 0LL); +} + +static ssize_t set_tsf_write(struct file *file, const char __user *user_buf, + size_t count, loff_t *ppos) +{ + struct cc33xx *cc = file->private_data; + unsigned long long value; + int ret; + + ret = kstrtoull_from_user(user_buf, count, 0, &value); + if (ret < 0) { + cc33xx_warning("illegal value in set_tsf"); + return -EINVAL; + } + + mutex_lock(&cc->mutex); + + if (unlikely(cc->state != CC33XX_STATE_ON)) + goto out; + + cc33xx_acx_set_tsf(cc, value); + +out: + mutex_unlock(&cc->mutex); + return count; +} + +static const struct file_operations set_tsf_ops = { + .open = simple_open, + .read = set_tsf_read, + .write = set_tsf_write, + .llseek = default_llseek, +}; + +#define TWT_ACTION_SETUP (1) +#define TWT_ACTION_SUSPEND (2) +#define TWT_ACTION_RESUME (3) +#define TWT_ACTION_TERMINATE (4) + +static ssize_t twt_action_read(struct file *file, char __user *user_buf, + size_t count, loff_t *ppos) +{ + struct cc33xx *cc = file->private_data; + + return cc33xx_format_buffer(user_buf, count, ppos, "%d %d %d %d %d\n", + cc->min_wake_duration_usec, + cc->min_wake_interval_mantissa, + cc->min_wake_interval_exponent, + cc->max_wake_interval_mantissa, + cc->max_wake_interval_exponent); +} + +static ssize_t twt_action_write(struct file *file, + const char __user *user_buf, + size_t count, loff_t *ppos) +{ + struct cc33xx *cc = file->private_data; + + int min_wake_duration_usec = 0; + int min_wake_interval_mantissa = 0; + int min_wake_interval_exponent = 0; + int max_wake_interval_mantissa = 0; + int max_wake_interval_exponent = 0; + int twt_action_type; + u8 valid_params; + int ret; + int arg_count; + char *buffer; + + buffer = kzalloc(count, GFP_KERNEL); + if (!buffer) { + ret = -ENOMEM; + cc33xx_warning("error in twt_action: %d", ret); + return ret; + } + + ret = strncpy_from_user(buffer, user_buf, count); + if (-EFAULT == ret) { + cc33xx_warning("error in twt_action: %d", ret); + kfree(buffer); + return ret; + } + + arg_count = sscanf(buffer, "%d %d %d %d %d %d", &twt_action_type, + &min_wake_duration_usec, &min_wake_interval_mantissa, + &min_wake_interval_exponent, + &max_wake_interval_mantissa, + &max_wake_interval_exponent); + + kfree(buffer); + +#define TWT_ACTION_SETUP (1) +#define TWT_ACTION_SUSPEND (2) +#define TWT_ACTION_RESUME (3) +#define TWT_ACTION_TERMINATE (4) + + valid_params = 0; + + if (twt_action_type == TWT_ACTION_SETUP && arg_count > 1) { + if (min_wake_duration_usec < 256) { + cc33xx_warning("error in twt_action: duration cannot be under 256 "); + return count; + } + + if (min_wake_interval_mantissa <= 0) { + cc33xx_warning("error in twt_action: interval mantissa must be over 0 "); + return count; + } + + if (min_wake_interval_exponent < 0 || + max_wake_interval_mantissa < 0 || + max_wake_interval_exponent < 0) { + cc33xx_warning("error in twt_action: negative value not allowed "); + return count; + } + } + + mutex_lock(&cc->mutex); + + if (unlikely(cc->state != CC33XX_STATE_ON)) + goto out; + + /* valid input is: + * twt_action [min_wake_duration_usec + * min_wake_interval_mantissa + * min_wake_interval_exponent + * [max_wake_interval_mantissa + * max_wake_interval_exponent]] + */ + if (twt_action_type != TWT_ACTION_SETUP && arg_count != 1) { + cc33xx_warning("illegal arguments in twt_action"); + cc33xx_warning("twt_action_type: %d", twt_action_type); + goto out; + } + + switch (twt_action_type) { + case TWT_ACTION_SETUP:{ + if (arg_count == 1) { + } else if (arg_count == 4) { + valid_params |= (MIN_WAKE_DURATION_VALID | + MIN_WAKE_INTERVAL_MANTISSA_VALID | + MIN_WAKE_INTERVAL_EXPONENT_VALID); + } else if (arg_count == 6) { + valid_params |= (MIN_WAKE_DURATION_VALID | + MIN_WAKE_INTERVAL_MANTISSA_VALID | + MIN_WAKE_INTERVAL_EXPONENT_VALID | + MAX_WAKE_INTERVAL_MANTISSA_VALID | + MAX_WAKE_INTERVAL_EXPONENT_VALID); + } else { + cc33xx_warning("illegal number of params for twt action setup"); + break; + } + + ret = cc33xx_acx_twt_setup(cc, + min_wake_duration_usec, min_wake_interval_mantissa, + min_wake_interval_exponent, max_wake_interval_mantissa, + max_wake_interval_exponent, valid_params); + break; + } + case TWT_ACTION_SUSPEND: { + ret = cc33xx_acx_twt_suspend(cc); + break; + } + case TWT_ACTION_RESUME: { + ret = cc33xx_acx_twt_resume(cc); + break; + } + case TWT_ACTION_TERMINATE: { + ret = cc33xx_acx_twt_terminate(cc); + break; + } + + default: { + cc33xx_warning("illegal twt command"); + goto out; + } + } + +out: + mutex_unlock(&cc->mutex); + return count; +} + +static const struct file_operations twt_action_ops = { + .open = simple_open, + .read = twt_action_read, + .write = twt_action_write, + .llseek = default_llseek, +}; + +static inline ssize_t dev_mem_read(struct file *file, char __user *user_buf, + size_t count, loff_t *ppos) +{ + return 0; +} + +static inline ssize_t dev_mem_write(struct file *file, + const char __user *user_buf, + size_t count, loff_t *ppos) +{ + return 0; +} + +static loff_t dev_mem_seek(struct file *file, loff_t offset, int orig) +{ + /* only requests of dword-aligned size and offset are supported */ + if (offset % 4) + return -EINVAL; + + return no_seek_end_llseek(file, offset, orig); +} + +static const struct file_operations dev_mem_ops = { + .open = simple_open, + .read = dev_mem_read, + .write = dev_mem_write, + .llseek = dev_mem_seek, +}; + +static ssize_t fw_logger_read(struct file *file, char __user *user_buf, + size_t count, loff_t *ppos) +{ + struct cc33xx *cc = file->private_data; + + return cc33xx_format_buffer(user_buf, count, ppos, "%d\n", + cc->conf.host_conf.fwlog.output); +} + +static ssize_t fw_logger_write(struct file *file, const char __user *user_buf, + size_t count, loff_t *ppos) +{ + struct cc33xx *cc = file->private_data; + unsigned long value; + int ret; + + ret = kstrtoul_from_user(user_buf, count, 0, &value); + if (ret < 0) { + cc33xx_warning("illegal value in fw_logger"); + return -EINVAL; + } + + if (value > 2 || value == 0) { + cc33xx_warning("fw_logger value must be 1-UART 2-SDIO"); + return -ERANGE; + } + + if (cc->conf.host_conf.fwlog.output == 0) { + cc33xx_warning("invalid operation - fw logger disabled by default, please change mode via wlconf"); + return -EINVAL; + } + + mutex_lock(&cc->mutex); + + cc->conf.host_conf.fwlog.output = value; + + cc33xx_cmd_config_fwlog(cc); + + mutex_unlock(&cc->mutex); + return count; +} + +static const struct file_operations fw_logger_ops = { + .open = simple_open, + .read = fw_logger_read, + .write = fw_logger_write, + .llseek = default_llseek, +}; + +static ssize_t antenna_select_read(struct file *file, char __user *user_buf, + size_t count, loff_t *ppos) +{ + struct cc33xx *cc = file->private_data; + + return cc33xx_format_buffer(user_buf, count, ppos, "%d\n", + cc->antenna_selection); +} + +static ssize_t antenna_select_write(struct file *file, + const char __user *user_buf, + size_t count, loff_t *ppos) +{ + struct cc33xx *cc = file->private_data; + int ret; + u8 selection; + + ret = kstrtou8_from_user(user_buf, count, 0, &selection); + if (ret < 0) { + cc33xx_warning("illegal value in antenna_select"); + return -EINVAL; + } + + if (selection > 1) { + cc33xx_warning("selection should be either 0 or 1"); + return -ERANGE; + } + + mutex_lock(&cc->mutex); + + if (unlikely(cc->state != CC33XX_STATE_ON)) + goto out; + + ret = cc33xx_acx_set_antenna_select(cc, selection); + if (ret == 0) + cc->antenna_selection = selection; + +out: + mutex_unlock(&cc->mutex); + return count; +} + +static const struct file_operations antenna_select_ops = { + .open = simple_open, + .read = antenna_select_read, + .write = antenna_select_write, + .llseek = default_llseek, +}; + +static ssize_t get_versions_extended_read(struct file *file, + char __user *user_buf, + size_t count, loff_t *ppos) +{ + struct cc33xx *cc = file->private_data; + const char *driver_ver = cc->all_versions.driver_ver; + struct cc33xx_acx_fw_versions *fw_ver = cc->all_versions.fw_ver; + + char all_versions_str[MAX_VERSIONS_EXTENDED_LEN]; + + sprintf(all_versions_str, "Driver Version: %s\n" + "Firmware Version: %u.%u.%u.%u\nPhy Version: %u.%u.%u.%u.%u.%u", + driver_ver, + le16_to_cpu(fw_ver->major_version), le16_to_cpu(fw_ver->minor_version), + le16_to_cpu(fw_ver->api_version), le16_to_cpu(fw_ver->build_version), + fw_ver->phy_version[5], fw_ver->phy_version[4], + fw_ver->phy_version[3], fw_ver->phy_version[2], + fw_ver->phy_version[1], fw_ver->phy_version[0]); + + return cc33xx_format_buffer(user_buf, count, ppos, "%s\n", + all_versions_str); +} + +static const struct file_operations get_versions_extended_ops = { + .read = get_versions_extended_read, + .open = simple_open, + .llseek = default_llseek, +}; + +static ssize_t get_versions_read(struct file *file, char __user *user_buf, + size_t count, loff_t *ppos) +{ + struct cc33xx *cc = file->private_data; + const char *driver_ver = cc->all_versions.driver_ver; + struct cc33xx_acx_fw_versions *fw_ver = cc->all_versions.fw_ver; + + char all_versions_str[MAX_VERSIONS_LEN]; + + sprintf(all_versions_str, + "Driver Version: %s\nFirmware Version: %u.%u.%u", + driver_ver, + fw_ver->major_version, fw_ver->minor_version, fw_ver->api_version); + + return cc33xx_format_buffer(user_buf, count, ppos, "%s\n", + all_versions_str); +} + +static const struct file_operations get_versions_ops = { + .read = get_versions_read, + .open = simple_open, + .llseek = default_llseek, +}; + +static ssize_t trigger_fw_assert_write(struct file *file, + const char __user *user_buf, + size_t count, loff_t *ppos) +{ + struct cc33xx *cc = file->private_data; + + mutex_lock(&cc->mutex); + + if (unlikely(cc->state != CC33XX_STATE_ON)) + goto out; + + cc33xx_acx_trigger_fw_assert(cc); + +out: + mutex_unlock(&cc->mutex); + return count; +} + +static const struct file_operations trigger_fw_assert_ops = { + .open = simple_open, + .write = trigger_fw_assert_write, + .llseek = default_llseek, +}; + +static ssize_t burst_mode_read(struct file *file, char __user *user_buf, + size_t count, loff_t *ppos) +{ + struct cc33xx *cc = file->private_data; + + return cc33xx_format_buffer(user_buf, count, ppos, + "%d\n", cc->burst_disable); +} + +static ssize_t burst_mode_write(struct file *file, const char __user *user_buf, + size_t count, loff_t *ppos) +{ + struct cc33xx *cc = file->private_data; + int ret; + u8 burst_disable; + + ret = kstrtou8_from_user(user_buf, count, 0, &burst_disable); + if (ret < 0) { + cc33xx_warning("illegal value in burst_mode"); + return -EINVAL; + } + + if (burst_disable > 1) { + cc33xx_warning("burst_disable should be either 0 or 1"); + return -ERANGE; + } + + mutex_lock(&cc->mutex); + + if (unlikely(cc->state != CC33XX_STATE_ON)) + goto out; + + ret = cc33xx_acx_burst_mode_cfg(cc, burst_disable); + if (ret == 0) + cc->burst_disable = burst_disable; + +out: + mutex_unlock(&cc->mutex); + return count; +} + +static const struct file_operations burst_mode_ops = { + .open = simple_open, + .read = burst_mode_read, + .write = burst_mode_write, + .llseek = default_llseek, +}; + +/* coex entities bitmap */ +#define COEX_WIFI_ENABLE (0x1) +#define COEX_BLE_ENABLE (0x2) +#define COEX_SOC_ENABLE (0x4) + +#define MAX_COEX_STATISTICS_LEN (850) + +static ssize_t coex_statistics_read(struct file *file, char __user *user_buf, + size_t count, loff_t *ppos) +{ + struct cc33xx *cc = file->private_data; + struct cc33xx_acx_coex_statistics *coex_stats_cmd; + char coex_statistics_str[MAX_COEX_STATISTICS_LEN]; + struct cc33xx_coex_stat_and_entities *coex_stat_ent; + struct cc33xx_coex_statistics *coex_stats; + int res, restot = 0, ret = 0; + + cc33xx_debug(DEBUG_CMD, "coex_statistics_read"); + + coex_stats_cmd = kzalloc(sizeof(*coex_stats_cmd), + GFP_KERNEL); + if (!coex_stats_cmd) + return -ENOMEM; + + coex_stat_ent = &coex_stats_cmd->coex_stat; + coex_stats = &coex_stat_ent->coex_statistics; + + ret = cc33xx_cmd_interrogate(cc, READ_COEX_STATISTICS, coex_stats_cmd, + sizeof(struct cc33xx_acx_coex_statistics), + sizeof(struct cc33xx_acx_coex_statistics)); + + if (ret < 0) { + cc33xx_error("failed to send interrogate command"); + goto out_free; + } + + if (le16_to_cpu(coex_stats_cmd->header.cmd.status) == CMD_STATUS_INVALID_PARAM) { + cc33xx_error("Coex statistics are disabled"); + goto out_free; + } + + res = 0; + + if (coex_stat_ent->coex_entities_bitmap & COEX_WIFI_ENABLE) { + res = snprintf(coex_statistics_str, MAX_COEX_STATISTICS_LEN, + "wifi:\nrequest assertion/deassertion: %d/%d\r\n" + "grant assertion/deassertion: %d/%d\r\n" + "prio reject: %d\r\n" + "grant during dual ant assertion/deassertion: %d/%d\r\n\n", + le32_to_cpu(coex_stats->wifi_request_assertion_log), + le32_to_cpu(coex_stats->wifi_request_de_assertion_log), + le32_to_cpu(coex_stats->wifi_grant_assertion_log), + le32_to_cpu(coex_stats->wifi_grant_deassertion_log), + le32_to_cpu(coex_stats->wifi_prio_reject_log), + le32_to_cpu(coex_stats->wifi_grant_during_dual_ant_assertion_log), + le32_to_cpu(coex_stats->wifi_grant_during_dual_ant_deassertion_log)); + restot = res; + } + + if (coex_stat_ent->coex_entities_bitmap & COEX_BLE_ENABLE) { + res = snprintf(coex_statistics_str + restot, + MAX_COEX_STATISTICS_LEN - restot, "ble:\n" + "request assertion/deassertion: %d/%d\r\n" + "grant assertion/deassertion: %d/%d\r\n" + "tx high/low prio reject: %d/%d\r\n" + "rx high/low prio reject: %d/%d\r\n\n", + le32_to_cpu(coex_stats->ble_request_assertion_log), + le32_to_cpu(coex_stats->ble_request_deassertion_log), + le32_to_cpu(coex_stats->ble_grant_assertion_log), + le32_to_cpu(coex_stats->ble_grant_deassertion_log), + le32_to_cpu(coex_stats->ble_tx_high_prio_reject_log), + le32_to_cpu(coex_stats->ble_tx_low_prio_reject_log), + le32_to_cpu(coex_stats->ble_rx_high_prio_reject_log), + le32_to_cpu(coex_stats->ble_rx_low_prio_reject_log)); + restot += res; + } + + if (coex_stat_ent->coex_entities_bitmap & COEX_SOC_ENABLE) { + res = snprintf(coex_statistics_str + restot, + MAX_COEX_STATISTICS_LEN - restot, + "External SoC:\n" + "request assertion/deassertion: %d/%d\r\n" + "grant assertion/deassertion: %d/%d\r\n" + "high/low prio reject: %d/%d\r\n\n", + le32_to_cpu(coex_stats->soc_request_assertion_log), + le32_to_cpu(coex_stats->soc_request_deassertion_log), + le32_to_cpu(coex_stats->soc_grant_assertion_log), + le32_to_cpu(coex_stats->soc_grant_deassertion_log), + le32_to_cpu(coex_stats->soc_high_prio_reject_log), + le32_to_cpu(coex_stats->soc_low_prio_reject_log)); + restot += res; + } + + ret = simple_read_from_buffer(user_buf, count, ppos, + coex_statistics_str, restot); + +out_free: + kfree(coex_stats_cmd); + + return ret; +} + +static ssize_t coex_statistics_write(struct file *file, + const char __user *user_buf, + size_t count, loff_t *ppos) +{ + struct cc33xx *cc = file->private_data; + unsigned int value; + struct cc33xx_acx_coex_statistics_cfg *coex_statictics; + int ret; + + ret = kstrtouint_from_user(user_buf, count, 0, &value); + if (value > 2) { + cc33xx_warning("Parameter value must be 0-Disable Coex counters, 1-Enable Coex counters, 2-Reset Coex counters"); + return -ERANGE; + } + + cc33xx_debug(DEBUG_CMD, "coex statistics (%d)", value); + + coex_statictics = kzalloc(sizeof(*coex_statictics), + GFP_KERNEL); + if (!coex_statictics) { + ret = -ENOMEM; + goto out; + } + + coex_statictics->coex_statictics = value; + + mutex_lock(&cc->mutex); + + ret = cc33xx_cmd_configure(cc, START_COEX_STATISTICS_CFG, + coex_statictics, + sizeof(struct cc33xx_acx_coex_statistics_cfg)); + if (ret < 0) { + cc33xx_error("failed to initiate coex statictics"); + goto out_free; + } + +out_free: + kfree(coex_statictics); + +out: + mutex_unlock(&cc->mutex); + + return count; +} + +static const struct file_operations coex_statistics_ops = { + .open = simple_open, + .read = coex_statistics_read, + .write = coex_statistics_write, + .llseek = default_llseek, +}; + +static ssize_t antenna_diversity_enable_read(struct file *file, + char __user *user_buf, + size_t count, loff_t *ppos) +{ + struct cc33xx *cc = file->private_data; + + return cc33xx_format_buffer(user_buf, count, ppos, "%d\n", + cc->diversity.diversity_enable); +} + +static ssize_t antenna_diversity_enable_write(struct file *file, + const char __user *user_buf, + size_t count, loff_t *ppos) +{ + struct cc33xx *cc = file->private_data; + int ret; + u8 diversity_enable; + + ret = kstrtou8_from_user(user_buf, count, 0, &diversity_enable); + if (ret < 0) { + cc33xx_warning("illegal value in antenna_diversity_enable"); + return -EINVAL; + } + + if (cc->conf.phy.num_of_antennas == 1 && diversity_enable == 1) { + cc33xx_warning("diversity cannot be enabled when only one antenna on board"); + return -EINVAL; + } + + if (diversity_enable > 1) { + cc33xx_warning("diversity_enable should be either 0 or 1"); + return -ERANGE; + } + + mutex_lock(&cc->mutex); + + if (unlikely(cc->state != CC33XX_STATE_ON)) + goto out; + + ret = cc33xx_acx_antenna_diversity_enable(cc, diversity_enable); + if (ret == 0) + cc->diversity.diversity_enable = diversity_enable; + +out: + mutex_unlock(&cc->mutex); + return count; +} + +static const struct file_operations antenna_diversity_enable_ops = { + .open = simple_open, + .read = antenna_diversity_enable_read, + .write = antenna_diversity_enable_write, + .llseek = default_llseek, +}; + +static ssize_t antenna_diversity_set_rssi_threshold_read(struct file *file, + char __user *user_buf, + size_t count, + loff_t *ppos) +{ + struct cc33xx *cc = file->private_data; + + return cc33xx_format_buffer(user_buf, count, ppos, "%d\n", + cc->diversity.rssi_threshold); +} + +static ssize_t antenna_diversity_set_rssi_threshold_write(struct file *file, + const char __user *user_buf, + size_t count, + loff_t *ppos) +{ + struct cc33xx *cc = file->private_data; + int ret; + s8 rssi_threshold; + + ret = kstrtos8_from_user(user_buf, count, 0, &rssi_threshold); + if (ret < 0) { + cc33xx_warning("illegal value in antenna_diversity_set_rssi_threshold"); + return -EINVAL; + } + + mutex_lock(&cc->mutex); + + if (unlikely(cc->state != CC33XX_STATE_ON)) + goto out; + + ret = cc33xx_acx_antenna_diversity_set_rssi_threshold(cc, rssi_threshold); + if (ret == 0) + cc->diversity.rssi_threshold = rssi_threshold; + +out: + mutex_unlock(&cc->mutex); + return count; +} + +static const struct file_operations antenna_diversity_set_rssi_threshold_ops = { + .open = simple_open, + .read = antenna_diversity_set_rssi_threshold_read, + .write = antenna_diversity_set_rssi_threshold_write, + .llseek = default_llseek, +}; + +static ssize_t antenna_diversity_select_default_antenna_read(struct file *file, + char __user *user_buf, + size_t count, + loff_t *ppos) +{ + struct cc33xx *cc = file->private_data; + + return cc33xx_format_buffer(user_buf, count, ppos, "%d\n", + cc->diversity.default_antenna); +} + +static ssize_t antenna_diversity_select_default_antenna_write(struct file *file, + const char __user *user_buf, + size_t count, + loff_t *ppos) +{ + struct cc33xx *cc = file->private_data; + int ret; + u8 default_antenna; + + ret = kstrtou8_from_user(user_buf, count, 0, &default_antenna); + if (ret < 0) { + cc33xx_warning("illegal value in antenna_diversity_select_default_antenna"); + return -EINVAL; + } + + if (cc->conf.phy.num_of_antennas == 1) { + cc33xx_warning("cannot change default antenna in board with only one antenna"); + return -EINVAL; + } + + if (default_antenna > 1) { + cc33xx_warning("default_antenna should be either 0 or 1"); + return -ERANGE; + } + + mutex_lock(&cc->mutex); + + if (unlikely(cc->state != CC33XX_STATE_ON)) + goto out; + + ret = cc33xx_acx_antenna_diversity_select_default_antenna(cc, default_antenna); + if (ret == 0) + cc->diversity.default_antenna = default_antenna; + +out: + mutex_unlock(&cc->mutex); + return count; +} + +static const struct file_operations antenna_diversity_select_default_antenna_ops = { + .open = simple_open, + .read = antenna_diversity_select_default_antenna_read, + .write = antenna_diversity_select_default_antenna_write, + .llseek = default_llseek, +}; + +static int cc33xx_debugfs_add_files(struct cc33xx *cc, + struct dentry *rootdir) +{ + struct dentry *stats, *moddir; + + moddir = rootdir; + stats = debugfs_create_dir("fw_stats", rootdir); + + DEBUGFS_ADD(tx_queue_len, rootdir); + DEBUGFS_ADD(retry_count, rootdir); + DEBUGFS_ADD(excessive_retries, rootdir); + DEBUGFS_ADD(gpio_power, rootdir); + DEBUGFS_ADD(start_recovery, rootdir); + DEBUGFS_ADD(driver_state, rootdir); + DEBUGFS_ADD(vifs_state, rootdir); + DEBUGFS_ADD(dtim_interval, rootdir); + DEBUGFS_ADD(suspend_dtim_interval, rootdir); + DEBUGFS_ADD(beacon_interval, rootdir); + DEBUGFS_ADD(beacon_filtering, rootdir); + DEBUGFS_ADD(dynamic_ps_timeout, rootdir); + DEBUGFS_ADD(forced_ps, rootdir); + DEBUGFS_ADD(split_scan_timeout, rootdir); + DEBUGFS_ADD(fw_stats_raw, rootdir); + DEBUGFS_ADD(sleep_auth, rootdir); + DEBUGFS_ADD(ble_enable, rootdir); + DEBUGFS_ADD(set_tsf, rootdir); + DEBUGFS_ADD(twt_action, rootdir); + DEBUGFS_ADD(fw_logger, rootdir); + DEBUGFS_ADD(antenna_select, rootdir); + DEBUGFS_ADD(get_versions, rootdir); + DEBUGFS_ADD(get_versions_extended, rootdir); + DEBUGFS_ADD(trigger_fw_assert, rootdir); + DEBUGFS_ADD(burst_mode, rootdir); + DEBUGFS_ADD(coex_statistics, rootdir); + DEBUGFS_ADD(clear_fw_stats, stats); + DEBUGFS_ADD(antenna_diversity_enable, rootdir); + DEBUGFS_ADD(antenna_diversity_set_rssi_threshold, rootdir); + DEBUGFS_ADD(antenna_diversity_select_default_antenna, rootdir); + + DEBUGFS_ADD_PREFIX(dev, mem, rootdir); + + DEBUGFS_FWSTATS_ADD(error, error_frame_non_ctrl); + DEBUGFS_FWSTATS_ADD(error, error_frame_ctrl); + DEBUGFS_FWSTATS_ADD(error, error_frame_during_protection); + DEBUGFS_FWSTATS_ADD(error, null_frame_tx_start); + DEBUGFS_FWSTATS_ADD(error, null_frame_cts_start); + DEBUGFS_FWSTATS_ADD(error, bar_retry); + DEBUGFS_FWSTATS_ADD(error, num_frame_cts_nul_flid); + DEBUGFS_FWSTATS_ADD(error, tx_abort_failure); + DEBUGFS_FWSTATS_ADD(error, tx_resume_failure); + DEBUGFS_FWSTATS_ADD(error, rx_cmplt_db_overflow_cnt); + DEBUGFS_FWSTATS_ADD(error, elp_while_rx_exch); + DEBUGFS_FWSTATS_ADD(error, elp_while_tx_exch); + DEBUGFS_FWSTATS_ADD(error, elp_while_tx); + DEBUGFS_FWSTATS_ADD(error, elp_while_nvic_pending); + DEBUGFS_FWSTATS_ADD(error, rx_excessive_frame_len); + DEBUGFS_FWSTATS_ADD(error, burst_mismatch); + DEBUGFS_FWSTATS_ADD(error, tbc_exch_mismatch); + DEBUGFS_FWSTATS_ADD(tx, tx_prepared_descs); + DEBUGFS_FWSTATS_ADD(tx, tx_cmplt); + DEBUGFS_FWSTATS_ADD(tx, tx_template_prepared); + DEBUGFS_FWSTATS_ADD(tx, tx_data_prepared); + DEBUGFS_FWSTATS_ADD(tx, tx_template_programmed); + DEBUGFS_FWSTATS_ADD(tx, tx_data_programmed); + DEBUGFS_FWSTATS_ADD(tx, tx_burst_programmed); + DEBUGFS_FWSTATS_ADD(tx, tx_starts); + DEBUGFS_FWSTATS_ADD(tx, tx_stop); + DEBUGFS_FWSTATS_ADD(tx, tx_start_templates); + DEBUGFS_FWSTATS_ADD(tx, tx_start_int_templates); + DEBUGFS_FWSTATS_ADD(tx, tx_start_fw_gen); + DEBUGFS_FWSTATS_ADD(tx, tx_start_data); + DEBUGFS_FWSTATS_ADD(tx, tx_start_null_frame); + DEBUGFS_FWSTATS_ADD(tx, tx_exch); + DEBUGFS_FWSTATS_ADD(tx, tx_retry_template); + DEBUGFS_FWSTATS_ADD(tx, tx_retry_data); + DEBUGFS_FWSTATS_ADD(tx, tx_retry_per_rate); + DEBUGFS_FWSTATS_ADD(tx, tx_exch_pending); + DEBUGFS_FWSTATS_ADD(tx, tx_exch_expiry); + DEBUGFS_FWSTATS_ADD(tx, tx_done_template); + DEBUGFS_FWSTATS_ADD(tx, tx_done_data); + DEBUGFS_FWSTATS_ADD(tx, tx_done_int_template); + DEBUGFS_FWSTATS_ADD(tx, tx_cfe1); + DEBUGFS_FWSTATS_ADD(tx, tx_cfe2); + DEBUGFS_FWSTATS_ADD(tx, frag_called); + DEBUGFS_FWSTATS_ADD(tx, frag_mpdu_alloc_failed); + DEBUGFS_FWSTATS_ADD(tx, frag_init_called); + DEBUGFS_FWSTATS_ADD(tx, frag_in_process_called); + DEBUGFS_FWSTATS_ADD(tx, frag_tkip_called); + DEBUGFS_FWSTATS_ADD(tx, frag_key_not_found); + DEBUGFS_FWSTATS_ADD(tx, frag_need_fragmentation); + DEBUGFS_FWSTATS_ADD(tx, frag_bad_mblk_num); + DEBUGFS_FWSTATS_ADD(tx, frag_failed); + DEBUGFS_FWSTATS_ADD(tx, frag_cache_hit); + DEBUGFS_FWSTATS_ADD(tx, frag_cache_miss); + DEBUGFS_FWSTATS_ADD(rx, rx_beacon_early_term); + DEBUGFS_FWSTATS_ADD(rx, rx_out_of_mpdu_nodes); + DEBUGFS_FWSTATS_ADD(rx, rx_hdr_overflow); + DEBUGFS_FWSTATS_ADD(rx, rx_dropped_frame); + DEBUGFS_FWSTATS_ADD(rx, rx_done); + DEBUGFS_FWSTATS_ADD(rx, rx_defrag); + DEBUGFS_FWSTATS_ADD(rx, rx_defrag_end); + DEBUGFS_FWSTATS_ADD(rx, rx_cmplt); + DEBUGFS_FWSTATS_ADD(rx, rx_pre_complt); + DEBUGFS_FWSTATS_ADD(rx, rx_cmplt_task); + DEBUGFS_FWSTATS_ADD(rx, rx_phy_hdr); + DEBUGFS_FWSTATS_ADD(rx, rx_timeout); + DEBUGFS_FWSTATS_ADD(rx, rx_rts_timeout); + DEBUGFS_FWSTATS_ADD(rx, rx_timeout_wa); + DEBUGFS_FWSTATS_ADD(rx, defrag_called); + DEBUGFS_FWSTATS_ADD(rx, defrag_init_called); + DEBUGFS_FWSTATS_ADD(rx, defrag_in_process_called); + DEBUGFS_FWSTATS_ADD(rx, defrag_tkip_called); + DEBUGFS_FWSTATS_ADD(rx, defrag_need_defrag); + DEBUGFS_FWSTATS_ADD(rx, defrag_decrypt_failed); + DEBUGFS_FWSTATS_ADD(rx, decrypt_key_not_found); + DEBUGFS_FWSTATS_ADD(rx, defrag_need_decrypt); + DEBUGFS_FWSTATS_ADD(rx, rx_tkip_replays); + DEBUGFS_FWSTATS_ADD(rx, rx_xfr); + DEBUGFS_FWSTATS_ADD(isr, irqs); + DEBUGFS_FWSTATS_ADD(pwr, missing_bcns_cnt); + DEBUGFS_FWSTATS_ADD(pwr, rcvd_bcns_cnt); + DEBUGFS_FWSTATS_ADD(pwr, connection_out_of_sync); + DEBUGFS_FWSTATS_ADD(pwr, cont_miss_bcns_spread); + DEBUGFS_FWSTATS_ADD(pwr, rcvd_awake_bcns_cnt); + DEBUGFS_FWSTATS_ADD(pwr, sleep_time_count); + DEBUGFS_FWSTATS_ADD(pwr, sleep_time_avg); + DEBUGFS_FWSTATS_ADD(pwr, sleep_cycle_avg); + DEBUGFS_FWSTATS_ADD(pwr, sleep_percent); + DEBUGFS_FWSTATS_ADD(pwr, ap_sleep_active_conf); + DEBUGFS_FWSTATS_ADD(pwr, ap_sleep_user_conf); + DEBUGFS_FWSTATS_ADD(pwr, ap_sleep_counter); + DEBUGFS_FWSTATS_ADD(rx_filter, beacon_filter); + DEBUGFS_FWSTATS_ADD(rx_filter, arp_filter); + DEBUGFS_FWSTATS_ADD(rx_filter, mc_filter); + DEBUGFS_FWSTATS_ADD(rx_filter, dup_filter); + DEBUGFS_FWSTATS_ADD(rx_filter, data_filter); + DEBUGFS_FWSTATS_ADD(rx_filter, ibss_filter); + DEBUGFS_FWSTATS_ADD(rx_filter, protection_filter); + DEBUGFS_FWSTATS_ADD(rx_filter, accum_arp_pend_requests); + DEBUGFS_FWSTATS_ADD(rx_filter, max_arp_queue_dep); + DEBUGFS_FWSTATS_ADD(rx_rate, rx_frames_per_rates); + DEBUGFS_FWSTATS_ADD(aggr_size, tx_agg_rate); + DEBUGFS_FWSTATS_ADD(aggr_size, tx_agg_len); + DEBUGFS_FWSTATS_ADD(aggr_size, rx_size); + DEBUGFS_FWSTATS_ADD(pipeline, hs_tx_stat_fifo_int); + DEBUGFS_FWSTATS_ADD(pipeline, enc_tx_stat_fifo_int); + DEBUGFS_FWSTATS_ADD(pipeline, enc_rx_stat_fifo_int); + DEBUGFS_FWSTATS_ADD(pipeline, rx_complete_stat_fifo_int); + DEBUGFS_FWSTATS_ADD(pipeline, pre_proc_swi); + DEBUGFS_FWSTATS_ADD(pipeline, post_proc_swi); + DEBUGFS_FWSTATS_ADD(pipeline, sec_frag_swi); + DEBUGFS_FWSTATS_ADD(pipeline, pre_to_defrag_swi); + DEBUGFS_FWSTATS_ADD(pipeline, defrag_to_rx_xfer_swi); + DEBUGFS_FWSTATS_ADD(pipeline, dec_packet_in); + DEBUGFS_FWSTATS_ADD(pipeline, dec_packet_in_fifo_full); + DEBUGFS_FWSTATS_ADD(pipeline, dec_packet_out); + DEBUGFS_FWSTATS_ADD(pipeline, pipeline_fifo_full); + DEBUGFS_FWSTATS_ADD(diversity, num_of_packets_per_ant); + DEBUGFS_FWSTATS_ADD(diversity, total_num_of_toggles); + DEBUGFS_FWSTATS_ADD(thermal, irq_thr_low); + DEBUGFS_FWSTATS_ADD(thermal, irq_thr_high); + DEBUGFS_FWSTATS_ADD(thermal, tx_stop); + DEBUGFS_FWSTATS_ADD(thermal, tx_resume); + DEBUGFS_FWSTATS_ADD(thermal, false_irq); + DEBUGFS_FWSTATS_ADD(thermal, adc_source_unexpected); + DEBUGFS_FWSTATS_ADD(calib, fail_count); + DEBUGFS_FWSTATS_ADD(calib, calib_count); + DEBUGFS_FWSTATS_ADD(roaming, rssi_level); + DEBUGFS_FWSTATS_ADD(dfs, num_of_radar_detections); + + DEBUGFS_ADD(conf, moddir); + DEBUGFS_ADD(radar_detection, moddir); + cc33xx_debugfs_add_files_helper(moddir); + DEBUGFS_ADD(dynamic_fw_traces, moddir); + + return 0; +} + +void cc33xx_debugfs_reset(struct cc33xx *cc) +{ + if (!cc->stats.fw_stats) + return; + + memset(cc->stats.fw_stats, 0, sizeof(struct cc33xx_acx_statistics)); + cc->stats.retry_count = 0; + cc->stats.excessive_retries = 0; +} + +int cc33xx_debugfs_init(struct cc33xx *cc) +{ + int ret; + struct dentry *rootdir; + + rootdir = debugfs_create_dir(KBUILD_MODNAME, cc->hw->wiphy->debugfsdir); + + cc->stats.fw_stats = kzalloc(sizeof(*cc->stats.fw_stats), + GFP_KERNEL); + if (!cc->stats.fw_stats) { + ret = -ENOMEM; + goto out_remove; + } + + cc->stats.fw_stats_update = jiffies; + + ret = cc33xx_debugfs_add_files(cc, rootdir); + if (ret < 0) + goto out_exit; + + goto out; + +out_exit: + cc33xx_debugfs_exit(cc); + +out_remove: + debugfs_remove_recursive(rootdir); + +out: + return ret; +} + +void cc33xx_debugfs_exit(struct cc33xx *cc) +{ + kfree(cc->stats.fw_stats); + cc->stats.fw_stats = NULL; +} diff --git a/drivers/net/wireless/ti/cc33xx/debugfs.h b/drivers/net/wireless/ti/cc33xx/debugfs.h new file mode 100644 index 000000000000..68b61fc3d553 --- /dev/null +++ b/drivers/net/wireless/ti/cc33xx/debugfs.h @@ -0,0 +1,91 @@ +/* SPDX-License-Identifier: GPL-2.0-only */ + +/* Copyright (C) 2022-2024 Texas Instruments Inc.*/ + +#ifndef __DEBUGFS_H__ +#define __DEBUGFS_H__ + +#include "cc33xx.h" + +__printf(4, 5) int cc33xx_format_buffer(char __user *userbuf, size_t count, + loff_t *ppos, char *fmt, ...); + +int cc33xx_debugfs_init(struct cc33xx *cc); +void cc33xx_debugfs_exit(struct cc33xx *cc); +void cc33xx_debugfs_reset(struct cc33xx *cc); +void cc33xx_debugfs_update_stats(struct cc33xx *cc); + +#define DEBUGFS_FORMAT_BUFFER_SIZE 256 + +#define DEBUGFS_READONLY_FILE(name, fmt, value...) \ +static ssize_t name## _read(struct file *file, char __user *userbuf, \ + size_t count, loff_t *ppos) \ +{ \ + struct cc33xx *cc = file->private_data; \ + return cc33xx_format_buffer(userbuf, count, ppos, \ + fmt "\n", ##value); \ +} \ + \ +static const struct file_operations name## _ops = { \ + .read = name## _read, \ + .open = simple_open, \ + .llseek = generic_file_llseek, \ +} + +#define DEBUGFS_ADD(name, parent) \ + debugfs_create_file(#name, 0400, parent, \ + cc, &name## _ops) + +#define DEBUGFS_ADD_PREFIX(prefix, name, parent) \ + debugfs_create_file(#name, 0400, parent, \ + cc, &prefix## _## name## _ops) + +#define DEBUGFS_FWSTATS_FILE(sub, name, fmt, struct_type) \ +static ssize_t sub## _ ##name## _read(struct file *file, \ + char __user *userbuf, \ + size_t count, loff_t *ppos) \ +{ \ + struct cc33xx *cc = file->private_data; \ + struct struct_type *stats = cc->stats.fw_stats; \ + \ + cc33xx_debugfs_update_stats(cc); \ + \ + return cc33xx_format_buffer(userbuf, count, ppos, fmt "\n", \ + stats->sub.name); \ +} \ + \ +static const struct file_operations sub## _ ##name## _ops = { \ + .read = sub## _ ##name## _read, \ + .open = simple_open, \ + .llseek = generic_file_llseek, \ +} + +#define DEBUGFS_FWSTATS_FILE_ARRAY(sub, name, len, struct_type) \ +static ssize_t sub## _ ##name## _read(struct file *file, \ + char __user *userbuf, \ + size_t count, loff_t *ppos) \ +{ \ + struct cc33xx *cc = file->private_data; \ + struct struct_type *stats = cc->stats.fw_stats; \ + char buf[DEBUGFS_FORMAT_BUFFER_SIZE] = ""; \ + int res, i; \ + \ + cc33xx_debugfs_update_stats(cc); \ + \ + for (i = 0; i < (len); i++) \ + res = snprintf(buf, sizeof(buf), "%s[%d] = %d\n", \ + buf, i, stats->sub.name[i]); \ + \ + return cc33xx_format_buffer(userbuf, count, ppos, "%s", buf); \ +} \ + \ +static const struct file_operations sub## _ ##name## _ops = { \ + .read = sub## _ ##name## _read, \ + .open = simple_open, \ + .llseek = generic_file_llseek, \ +} + +#define DEBUGFS_FWSTATS_ADD(sub, name) \ + DEBUGFS_ADD(sub## _ ##name, stats) + +#endif /* CC33XX_DEBUGFS_H */ -- 2.25.1