diff options
Diffstat (limited to 'drivers/net/wireless/ath/ath10k/debug.c')
-rw-r--r-- | drivers/net/wireless/ath/ath10k/debug.c | 1154 |
1 files changed, 921 insertions, 233 deletions
diff --git a/drivers/net/wireless/ath/ath10k/debug.c b/drivers/net/wireless/ath/ath10k/debug.c index 3756feb..a716758 100644 --- a/drivers/net/wireless/ath/ath10k/debug.c +++ b/drivers/net/wireless/ath/ath10k/debug.c @@ -17,12 +17,12 @@ #include <linux/module.h> #include <linux/debugfs.h> -#include <linux/version.h> -#include <linux/vermagic.h> #include <linux/vmalloc.h> +#include <linux/utsname.h> #include "core.h" #include "debug.h" +#include "hif.h" /* ms */ #define ATH10K_DEBUG_HTT_STATS_INTERVAL 1000 @@ -106,34 +106,37 @@ struct ath10k_dump_file_data { u8 data[0]; } __packed; -int ath10k_info(struct ath10k *ar, const char *fmt, ...) +void ath10k_info(struct ath10k *ar, const char *fmt, ...) { struct va_format vaf = { .fmt = fmt, }; va_list args; - int ret; va_start(args, fmt); vaf.va = &args; - ret = dev_info(ar->dev, "%pV", &vaf); + dev_info(ar->dev, "%pV", &vaf); trace_ath10k_log_info(ar, &vaf); va_end(args); - - return ret; } EXPORT_SYMBOL(ath10k_info); void ath10k_print_driver_info(struct ath10k *ar) { - ath10k_info(ar, "%s (0x%08x, 0x%08x) fw %s api %d htt %d.%d\n", + ath10k_info(ar, "%s (0x%08x, 0x%08x) fw %s api %d htt %d.%d wmi %d.%d.%d.%d cal %s max_sta %d\n", ar->hw_params.name, ar->target_version, ar->chip_id, ar->hw->wiphy->fw_version, ar->fw_api, ar->htt.target_version_major, - ar->htt.target_version_minor); + ar->htt.target_version_minor, + ar->fw_version_major, + ar->fw_version_minor, + ar->fw_version_release, + ar->fw_version_build, + ath10k_cal_mode_str(ar->cal_mode), + ar->max_num_stations); ath10k_info(ar, "debug %d debugfs %d tracing %d dfs %d testmode %d\n", config_enabled(CONFIG_ATH10K_DEBUG), config_enabled(CONFIG_ATH10K_DEBUGFS), @@ -143,25 +146,22 @@ void ath10k_print_driver_info(struct ath10k *ar) } EXPORT_SYMBOL(ath10k_print_driver_info); -int ath10k_err(struct ath10k *ar, const char *fmt, ...) +void ath10k_err(struct ath10k *ar, const char *fmt, ...) { struct va_format vaf = { .fmt = fmt, }; va_list args; - int ret; va_start(args, fmt); vaf.va = &args; - ret = dev_err(ar->dev, "%pV", &vaf); + dev_err(ar->dev, "%pV", &vaf); trace_ath10k_log_err(ar, &vaf); va_end(args); - - return ret; } EXPORT_SYMBOL(ath10k_err); -int ath10k_warn(struct ath10k *ar, const char *fmt, ...) +void ath10k_warn(struct ath10k *ar, const char *fmt, ...) { struct va_format vaf = { .fmt = fmt, @@ -174,20 +174,11 @@ int ath10k_warn(struct ath10k *ar, const char *fmt, ...) trace_ath10k_log_warn(ar, &vaf); va_end(args); - - return 0; } EXPORT_SYMBOL(ath10k_warn); #ifdef CONFIG_ATH10K_DEBUGFS -void ath10k_debug_read_service_map(struct ath10k *ar, - void *service_map, - size_t map_size) -{ - memcpy(ar->debug.wmi_service_bitmap, service_map, map_size); -} - static ssize_t ath10k_read_wmi_services(struct file *file, char __user *user_buf, size_t count, loff_t *ppos) @@ -209,8 +200,9 @@ static ssize_t ath10k_read_wmi_services(struct file *file, if (len > buf_len) len = buf_len; + spin_lock_bh(&ar->data_lock); for (i = 0; i < WMI_SERVICE_MAX; i++) { - enabled = test_bit(i, ar->debug.wmi_service_bitmap); + enabled = test_bit(i, ar->wmi.svc_map); name = wmi_service_name(i); if (!name) { @@ -226,6 +218,7 @@ static ssize_t ath10k_read_wmi_services(struct file *file, "%-40s %s\n", name, enabled ? "enabled" : "-"); } + spin_unlock_bh(&ar->data_lock); ret_cnt = simple_read_from_buffer(user_buf, count, ppos, buf, len); @@ -242,169 +235,182 @@ static const struct file_operations fops_wmi_services = { .llseek = default_llseek, }; -void ath10k_debug_read_target_stats(struct ath10k *ar, - struct wmi_stats_event *ev) +static void ath10k_debug_fw_stats_pdevs_free(struct list_head *head) { - u8 *tmp = ev->data; - struct ath10k_target_stats *stats; - int num_pdev_stats, num_vdev_stats, num_peer_stats; - struct wmi_pdev_stats_10x *ps; - int i; + struct ath10k_fw_stats_pdev *i, *tmp; + list_for_each_entry_safe(i, tmp, head, list) { + list_del(&i->list); + kfree(i); + } +} + +static void ath10k_debug_fw_stats_peers_free(struct list_head *head) +{ + struct ath10k_fw_stats_peer *i, *tmp; + + list_for_each_entry_safe(i, tmp, head, list) { + list_del(&i->list); + kfree(i); + } +} + +static void ath10k_debug_fw_stats_reset(struct ath10k *ar) +{ spin_lock_bh(&ar->data_lock); + ar->debug.fw_stats_done = false; + ath10k_debug_fw_stats_pdevs_free(&ar->debug.fw_stats.pdevs); + ath10k_debug_fw_stats_peers_free(&ar->debug.fw_stats.peers); + spin_unlock_bh(&ar->data_lock); +} - stats = &ar->debug.target_stats; - - num_pdev_stats = __le32_to_cpu(ev->num_pdev_stats); /* 0 or 1 */ - num_vdev_stats = __le32_to_cpu(ev->num_vdev_stats); /* 0 or max vdevs */ - num_peer_stats = __le32_to_cpu(ev->num_peer_stats); /* 0 or max peers */ - - if (num_pdev_stats) { - ps = (struct wmi_pdev_stats_10x *)tmp; - - stats->ch_noise_floor = __le32_to_cpu(ps->chan_nf); - stats->tx_frame_count = __le32_to_cpu(ps->tx_frame_count); - stats->rx_frame_count = __le32_to_cpu(ps->rx_frame_count); - stats->rx_clear_count = __le32_to_cpu(ps->rx_clear_count); - stats->cycle_count = __le32_to_cpu(ps->cycle_count); - stats->phy_err_count = __le32_to_cpu(ps->phy_err_count); - stats->chan_tx_power = __le32_to_cpu(ps->chan_tx_pwr); - - stats->comp_queued = __le32_to_cpu(ps->wal.tx.comp_queued); - stats->comp_delivered = - __le32_to_cpu(ps->wal.tx.comp_delivered); - stats->msdu_enqued = __le32_to_cpu(ps->wal.tx.msdu_enqued); - stats->mpdu_enqued = __le32_to_cpu(ps->wal.tx.mpdu_enqued); - stats->wmm_drop = __le32_to_cpu(ps->wal.tx.wmm_drop); - stats->local_enqued = __le32_to_cpu(ps->wal.tx.local_enqued); - stats->local_freed = __le32_to_cpu(ps->wal.tx.local_freed); - stats->hw_queued = __le32_to_cpu(ps->wal.tx.hw_queued); - stats->hw_reaped = __le32_to_cpu(ps->wal.tx.hw_reaped); - stats->underrun = __le32_to_cpu(ps->wal.tx.underrun); - stats->tx_abort = __le32_to_cpu(ps->wal.tx.tx_abort); - stats->mpdus_requed = __le32_to_cpu(ps->wal.tx.mpdus_requed); - stats->tx_ko = __le32_to_cpu(ps->wal.tx.tx_ko); - stats->data_rc = __le32_to_cpu(ps->wal.tx.data_rc); - stats->self_triggers = __le32_to_cpu(ps->wal.tx.self_triggers); - stats->sw_retry_failure = - __le32_to_cpu(ps->wal.tx.sw_retry_failure); - stats->illgl_rate_phy_err = - __le32_to_cpu(ps->wal.tx.illgl_rate_phy_err); - stats->pdev_cont_xretry = - __le32_to_cpu(ps->wal.tx.pdev_cont_xretry); - stats->pdev_tx_timeout = - __le32_to_cpu(ps->wal.tx.pdev_tx_timeout); - stats->pdev_resets = __le32_to_cpu(ps->wal.tx.pdev_resets); - stats->phy_underrun = __le32_to_cpu(ps->wal.tx.phy_underrun); - stats->txop_ovf = __le32_to_cpu(ps->wal.tx.txop_ovf); - - stats->mid_ppdu_route_change = - __le32_to_cpu(ps->wal.rx.mid_ppdu_route_change); - stats->status_rcvd = __le32_to_cpu(ps->wal.rx.status_rcvd); - stats->r0_frags = __le32_to_cpu(ps->wal.rx.r0_frags); - stats->r1_frags = __le32_to_cpu(ps->wal.rx.r1_frags); - stats->r2_frags = __le32_to_cpu(ps->wal.rx.r2_frags); - stats->r3_frags = __le32_to_cpu(ps->wal.rx.r3_frags); - stats->htt_msdus = __le32_to_cpu(ps->wal.rx.htt_msdus); - stats->htt_mpdus = __le32_to_cpu(ps->wal.rx.htt_mpdus); - stats->loc_msdus = __le32_to_cpu(ps->wal.rx.loc_msdus); - stats->loc_mpdus = __le32_to_cpu(ps->wal.rx.loc_mpdus); - stats->oversize_amsdu = - __le32_to_cpu(ps->wal.rx.oversize_amsdu); - stats->phy_errs = __le32_to_cpu(ps->wal.rx.phy_errs); - stats->phy_err_drop = __le32_to_cpu(ps->wal.rx.phy_err_drop); - stats->mpdu_errs = __le32_to_cpu(ps->wal.rx.mpdu_errs); - - if (test_bit(ATH10K_FW_FEATURE_WMI_10X, - ar->fw_features)) { - stats->ack_rx_bad = __le32_to_cpu(ps->ack_rx_bad); - stats->rts_bad = __le32_to_cpu(ps->rts_bad); - stats->rts_good = __le32_to_cpu(ps->rts_good); - stats->fcs_bad = __le32_to_cpu(ps->fcs_bad); - stats->no_beacons = __le32_to_cpu(ps->no_beacons); - stats->mib_int_count = __le32_to_cpu(ps->mib_int_count); - tmp += sizeof(struct wmi_pdev_stats_10x); - } else { - tmp += sizeof(struct wmi_pdev_stats_old); - } +static size_t ath10k_debug_fw_stats_num_peers(struct list_head *head) +{ + struct ath10k_fw_stats_peer *i; + size_t num = 0; + + list_for_each_entry(i, head, list) + ++num; + + return num; +} + +void ath10k_debug_fw_stats_process(struct ath10k *ar, struct sk_buff *skb) +{ + struct ath10k_fw_stats stats = {}; + bool is_start, is_started, is_end; + size_t num_peers; + int ret; + + INIT_LIST_HEAD(&stats.pdevs); + INIT_LIST_HEAD(&stats.peers); + + spin_lock_bh(&ar->data_lock); + ret = ath10k_wmi_pull_fw_stats(ar, skb, &stats); + if (ret) { + ath10k_warn(ar, "failed to pull fw stats: %d\n", ret); + goto unlock; } - /* 0 or max vdevs */ - /* Currently firmware does not support VDEV stats */ - if (num_vdev_stats) { - struct wmi_vdev_stats *vdev_stats; + /* Stat data may exceed htc-wmi buffer limit. In such case firmware + * splits the stats data and delivers it in a ping-pong fashion of + * request cmd-update event. + * + * However there is no explicit end-of-data. Instead start-of-data is + * used as an implicit one. This works as follows: + * a) discard stat update events until one with pdev stats is + * delivered - this skips session started at end of (b) + * b) consume stat update events until another one with pdev stats is + * delivered which is treated as end-of-data and is itself discarded + */ - for (i = 0; i < num_vdev_stats; i++) { - vdev_stats = (struct wmi_vdev_stats *)tmp; - tmp += sizeof(struct wmi_vdev_stats); - } + if (ar->debug.fw_stats_done) { + ath10k_warn(ar, "received unsolicited stats update event\n"); + goto free; } - if (num_peer_stats) { - struct wmi_peer_stats_10x *peer_stats; - struct ath10k_peer_stat *s; - - stats->peers = num_peer_stats; - - for (i = 0; i < num_peer_stats; i++) { - peer_stats = (struct wmi_peer_stats_10x *)tmp; - s = &stats->peer_stat[i]; - - memcpy(s->peer_macaddr, &peer_stats->peer_macaddr.addr, - ETH_ALEN); - s->peer_rssi = __le32_to_cpu(peer_stats->peer_rssi); - s->peer_tx_rate = - __le32_to_cpu(peer_stats->peer_tx_rate); - if (test_bit(ATH10K_FW_FEATURE_WMI_10X, - ar->fw_features)) { - s->peer_rx_rate = - __le32_to_cpu(peer_stats->peer_rx_rate); - tmp += sizeof(struct wmi_peer_stats_10x); - - } else { - tmp += sizeof(struct wmi_peer_stats_old); - } + num_peers = ath10k_debug_fw_stats_num_peers(&ar->debug.fw_stats.peers); + is_start = (list_empty(&ar->debug.fw_stats.pdevs) && + !list_empty(&stats.pdevs)); + is_end = (!list_empty(&ar->debug.fw_stats.pdevs) && + !list_empty(&stats.pdevs)); + + if (is_start) + list_splice_tail_init(&stats.pdevs, &ar->debug.fw_stats.pdevs); + + if (is_end) + ar->debug.fw_stats_done = true; + + is_started = !list_empty(&ar->debug.fw_stats.pdevs); + + if (is_started && !is_end) { + if (num_peers >= ATH10K_MAX_NUM_PEER_IDS) { + /* Although this is unlikely impose a sane limit to + * prevent firmware from DoS-ing the host. + */ + ath10k_warn(ar, "dropping fw peer stats\n"); + goto free; } + + list_splice_tail_init(&stats.peers, &ar->debug.fw_stats.peers); } + complete(&ar->debug.fw_stats_complete); + +free: + /* In some cases lists have been spliced and cleared. Free up + * resources if that is not the case. + */ + ath10k_debug_fw_stats_pdevs_free(&stats.pdevs); + ath10k_debug_fw_stats_peers_free(&stats.peers); + +unlock: spin_unlock_bh(&ar->data_lock); - complete(&ar->debug.event_stats_compl); } -static ssize_t ath10k_read_fw_stats(struct file *file, char __user *user_buf, - size_t count, loff_t *ppos) +static int ath10k_debug_fw_stats_request(struct ath10k *ar) { - struct ath10k *ar = file->private_data; - struct ath10k_target_stats *fw_stats; - char *buf = NULL; - unsigned int len = 0, buf_len = 8000; - ssize_t ret_cnt = 0; - long left; - int i; + unsigned long timeout; int ret; - fw_stats = &ar->debug.target_stats; + lockdep_assert_held(&ar->conf_mutex); - mutex_lock(&ar->conf_mutex); + timeout = jiffies + msecs_to_jiffies(1*HZ); - if (ar->state != ATH10K_STATE_ON) - goto exit; + ath10k_debug_fw_stats_reset(ar); - buf = kzalloc(buf_len, GFP_KERNEL); - if (!buf) - goto exit; + for (;;) { + if (time_after(jiffies, timeout)) + return -ETIMEDOUT; - ret = ath10k_wmi_request_stats(ar, WMI_REQUEST_PEER_STAT); - if (ret) { - ath10k_warn(ar, "could not request stats (%d)\n", ret); - goto exit; + reinit_completion(&ar->debug.fw_stats_complete); + + ret = ath10k_wmi_request_stats(ar, WMI_REQUEST_PEER_STAT); + if (ret) { + ath10k_warn(ar, "could not request stats (%d)\n", ret); + return ret; + } + + ret = wait_for_completion_timeout(&ar->debug.fw_stats_complete, + 1*HZ); + if (ret <= 0) + return -ETIMEDOUT; + + spin_lock_bh(&ar->data_lock); + if (ar->debug.fw_stats_done) { + spin_unlock_bh(&ar->data_lock); + break; + } + spin_unlock_bh(&ar->data_lock); } - left = wait_for_completion_timeout(&ar->debug.event_stats_compl, 1*HZ); - if (left <= 0) - goto exit; + return 0; +} + +/* FIXME: How to calculate the buffer size sanely? */ +#define ATH10K_FW_STATS_BUF_SIZE (1024*1024) + +static void ath10k_fw_stats_fill(struct ath10k *ar, + struct ath10k_fw_stats *fw_stats, + char *buf) +{ + unsigned int len = 0; + unsigned int buf_len = ATH10K_FW_STATS_BUF_SIZE; + const struct ath10k_fw_stats_pdev *pdev; + const struct ath10k_fw_stats_peer *peer; + size_t num_peers; spin_lock_bh(&ar->data_lock); + + pdev = list_first_entry_or_null(&fw_stats->pdevs, + struct ath10k_fw_stats_pdev, list); + if (!pdev) { + ath10k_warn(ar, "failed to get pdev stats\n"); + goto unlock; + } + + num_peers = ath10k_debug_fw_stats_num_peers(&fw_stats->peers); + len += scnprintf(buf + len, buf_len - len, "\n"); len += scnprintf(buf + len, buf_len - len, "%30s\n", "ath10k PDEV stats"); @@ -412,29 +418,29 @@ static ssize_t ath10k_read_fw_stats(struct file *file, char __user *user_buf, "================="); len += scnprintf(buf + len, buf_len - len, "%30s %10d\n", - "Channel noise floor", fw_stats->ch_noise_floor); + "Channel noise floor", pdev->ch_noise_floor); len += scnprintf(buf + len, buf_len - len, "%30s %10u\n", - "Channel TX power", fw_stats->chan_tx_power); + "Channel TX power", pdev->chan_tx_power); len += scnprintf(buf + len, buf_len - len, "%30s %10u\n", - "TX frame count", fw_stats->tx_frame_count); + "TX frame count", pdev->tx_frame_count); len += scnprintf(buf + len, buf_len - len, "%30s %10u\n", - "RX frame count", fw_stats->rx_frame_count); + "RX frame count", pdev->rx_frame_count); len += scnprintf(buf + len, buf_len - len, "%30s %10u\n", - "RX clear count", fw_stats->rx_clear_count); + "RX clear count", pdev->rx_clear_count); len += scnprintf(buf + len, buf_len - len, "%30s %10u\n", - "Cycle count", fw_stats->cycle_count); + "Cycle count", pdev->cycle_count); len += scnprintf(buf + len, buf_len - len, "%30s %10u\n", - "PHY error count", fw_stats->phy_err_count); + "PHY error count", pdev->phy_err_count); len += scnprintf(buf + len, buf_len - len, "%30s %10u\n", - "RTS bad count", fw_stats->rts_bad); + "RTS bad count", pdev->rts_bad); len += scnprintf(buf + len, buf_len - len, "%30s %10u\n", - "RTS good count", fw_stats->rts_good); + "RTS good count", pdev->rts_good); len += scnprintf(buf + len, buf_len - len, "%30s %10u\n", - "FCS bad count", fw_stats->fcs_bad); + "FCS bad count", pdev->fcs_bad); len += scnprintf(buf + len, buf_len - len, "%30s %10u\n", - "No beacon count", fw_stats->no_beacons); + "No beacon count", pdev->no_beacons); len += scnprintf(buf + len, buf_len - len, "%30s %10u\n", - "MIB int count", fw_stats->mib_int_count); + "MIB int count", pdev->mib_int_count); len += scnprintf(buf + len, buf_len - len, "\n"); len += scnprintf(buf + len, buf_len - len, "%30s\n", @@ -443,51 +449,51 @@ static ssize_t ath10k_read_fw_stats(struct file *file, char __user *user_buf, "================="); len += scnprintf(buf + len, buf_len - len, "%30s %10d\n", - "HTT cookies queued", fw_stats->comp_queued); + "HTT cookies queued", pdev->comp_queued); len += scnprintf(buf + len, buf_len - len, "%30s %10d\n", - "HTT cookies disp.", fw_stats->comp_delivered); + "HTT cookies disp.", pdev->comp_delivered); len += scnprintf(buf + len, buf_len - len, "%30s %10d\n", - "MSDU queued", fw_stats->msdu_enqued); + "MSDU queued", pdev->msdu_enqued); len += scnprintf(buf + len, buf_len - len, "%30s %10d\n", - "MPDU queued", fw_stats->mpdu_enqued); + "MPDU queued", pdev->mpdu_enqued); len += scnprintf(buf + len, buf_len - len, "%30s %10d\n", - "MSDUs dropped", fw_stats->wmm_drop); + "MSDUs dropped", pdev->wmm_drop); len += scnprintf(buf + len, buf_len - len, "%30s %10d\n", - "Local enqued", fw_stats->local_enqued); + "Local enqued", pdev->local_enqued); len += scnprintf(buf + len, buf_len - len, "%30s %10d\n", - "Local freed", fw_stats->local_freed); + "Local freed", pdev->local_freed); len += scnprintf(buf + len, buf_len - len, "%30s %10d\n", - "HW queued", fw_stats->hw_queued); + "HW queued", pdev->hw_queued); len += scnprintf(buf + len, buf_len - len, "%30s %10d\n", - "PPDUs reaped", fw_stats->hw_reaped); + "PPDUs reaped", pdev->hw_reaped); len += scnprintf(buf + len, buf_len - len, "%30s %10d\n", - "Num underruns", fw_stats->underrun); + "Num underruns", pdev->underrun); len += scnprintf(buf + len, buf_len - len, "%30s %10d\n", - "PPDUs cleaned", fw_stats->tx_abort); + "PPDUs cleaned", pdev->tx_abort); len += scnprintf(buf + len, buf_len - len, "%30s %10d\n", - "MPDUs requed", fw_stats->mpdus_requed); + "MPDUs requed", pdev->mpdus_requed); len += scnprintf(buf + len, buf_len - len, "%30s %10d\n", - "Excessive retries", fw_stats->tx_ko); + "Excessive retries", pdev->tx_ko); len += scnprintf(buf + len, buf_len - len, "%30s %10d\n", - "HW rate", fw_stats->data_rc); + "HW rate", pdev->data_rc); len += scnprintf(buf + len, buf_len - len, "%30s %10d\n", - "Sched self tiggers", fw_stats->self_triggers); + "Sched self tiggers", pdev->self_triggers); len += scnprintf(buf + len, buf_len - len, "%30s %10d\n", "Dropped due to SW retries", - fw_stats->sw_retry_failure); + pdev->sw_retry_failure); len += scnprintf(buf + len, buf_len - len, "%30s %10d\n", "Illegal rate phy errors", - fw_stats->illgl_rate_phy_err); + pdev->illgl_rate_phy_err); len += scnprintf(buf + len, buf_len - len, "%30s %10d\n", - "Pdev continous xretry", fw_stats->pdev_cont_xretry); + "Pdev continous xretry", pdev->pdev_cont_xretry); len += scnprintf(buf + len, buf_len - len, "%30s %10d\n", - "TX timeout", fw_stats->pdev_tx_timeout); + "TX timeout", pdev->pdev_tx_timeout); len += scnprintf(buf + len, buf_len - len, "%30s %10d\n", - "PDEV resets", fw_stats->pdev_resets); + "PDEV resets", pdev->pdev_resets); len += scnprintf(buf + len, buf_len - len, "%30s %10d\n", - "PHY underrun", fw_stats->phy_underrun); + "PHY underrun", pdev->phy_underrun); len += scnprintf(buf + len, buf_len - len, "%30s %10d\n", - "MPDU is more than txop limit", fw_stats->txop_ovf); + "MPDU is more than txop limit", pdev->txop_ovf); len += scnprintf(buf + len, buf_len - len, "\n"); len += scnprintf(buf + len, buf_len - len, "%30s\n", @@ -497,70 +503,161 @@ static ssize_t ath10k_read_fw_stats(struct file *file, char __user *user_buf, len += scnprintf(buf + len, buf_len - len, "%30s %10d\n", "Mid PPDU route change", - fw_stats->mid_ppdu_route_change); + pdev->mid_ppdu_route_change); len += scnprintf(buf + len, buf_len - len, "%30s %10d\n", - "Tot. number of statuses", fw_stats->status_rcvd); + "Tot. number of statuses", pdev->status_rcvd); len += scnprintf(buf + len, buf_len - len, "%30s %10d\n", - "Extra frags on rings 0", fw_stats->r0_frags); + "Extra frags on rings 0", pdev->r0_frags); len += scnprintf(buf + len, buf_len - len, "%30s %10d\n", - "Extra frags on rings 1", fw_stats->r1_frags); + "Extra frags on rings 1", pdev->r1_frags); len += scnprintf(buf + len, buf_len - len, "%30s %10d\n", - "Extra frags on rings 2", fw_stats->r2_frags); + "Extra frags on rings 2", pdev->r2_frags); len += scnprintf(buf + len, buf_len - len, "%30s %10d\n", - "Extra frags on rings 3", fw_stats->r3_frags); + "Extra frags on rings 3", pdev->r3_frags); len += scnprintf(buf + len, buf_len - len, "%30s %10d\n", - "MSDUs delivered to HTT", fw_stats->htt_msdus); + "MSDUs delivered to HTT", pdev->htt_msdus); len += scnprintf(buf + len, buf_len - len, "%30s %10d\n", - "MPDUs delivered to HTT", fw_stats->htt_mpdus); + "MPDUs delivered to HTT", pdev->htt_mpdus); len += scnprintf(buf + len, buf_len - len, "%30s %10d\n", - "MSDUs delivered to stack", fw_stats->loc_msdus); + "MSDUs delivered to stack", pdev->loc_msdus); len += scnprintf(buf + len, buf_len - len, "%30s %10d\n", - "MPDUs delivered to stack", fw_stats->loc_mpdus); + "MPDUs delivered to stack", pdev->loc_mpdus); len += scnprintf(buf + len, buf_len - len, "%30s %10d\n", - "Oversized AMSUs", fw_stats->oversize_amsdu); + "Oversized AMSUs", pdev->oversize_amsdu); len += scnprintf(buf + len, buf_len - len, "%30s %10d\n", - "PHY errors", fw_stats->phy_errs); + "PHY errors", pdev->phy_errs); len += scnprintf(buf + len, buf_len - len, "%30s %10d\n", - "PHY errors drops", fw_stats->phy_err_drop); + "PHY errors drops", pdev->phy_err_drop); len += scnprintf(buf + len, buf_len - len, "%30s %10d\n", - "MPDU errors (FCS, MIC, ENC)", fw_stats->mpdu_errs); + "MPDU errors (FCS, MIC, ENC)", pdev->mpdu_errs); len += scnprintf(buf + len, buf_len - len, "\n"); - len += scnprintf(buf + len, buf_len - len, "%30s (%d)\n", - "ath10k PEER stats", fw_stats->peers); + len += scnprintf(buf + len, buf_len - len, "%30s (%zu)\n", + "ath10k PEER stats", num_peers); len += scnprintf(buf + len, buf_len - len, "%30s\n\n", "================="); - for (i = 0; i < fw_stats->peers; i++) { + list_for_each_entry(peer, &fw_stats->peers, list) { len += scnprintf(buf + len, buf_len - len, "%30s %pM\n", - "Peer MAC address", - fw_stats->peer_stat[i].peer_macaddr); + "Peer MAC address", peer->peer_macaddr); len += scnprintf(buf + len, buf_len - len, "%30s %u\n", - "Peer RSSI", fw_stats->peer_stat[i].peer_rssi); + "Peer RSSI", peer->peer_rssi); len += scnprintf(buf + len, buf_len - len, "%30s %u\n", - "Peer TX rate", - fw_stats->peer_stat[i].peer_tx_rate); + "Peer TX rate", peer->peer_tx_rate); len += scnprintf(buf + len, buf_len - len, "%30s %u\n", - "Peer RX rate", - fw_stats->peer_stat[i].peer_rx_rate); + "Peer RX rate", peer->peer_rx_rate); len += scnprintf(buf + len, buf_len - len, "\n"); } + +unlock: spin_unlock_bh(&ar->data_lock); - if (len > buf_len) - len = buf_len; + if (len >= buf_len) + buf[len - 1] = 0; + else + buf[len] = 0; +} - ret_cnt = simple_read_from_buffer(user_buf, count, ppos, buf, len); +static int ath10k_fw_stats_open(struct inode *inode, struct file *file) +{ + struct ath10k *ar = inode->i_private; + void *buf = NULL; + int ret; + + mutex_lock(&ar->conf_mutex); + + if (ar->state != ATH10K_STATE_ON) { + ret = -ENETDOWN; + goto err_unlock; + } + + buf = vmalloc(ATH10K_FW_STATS_BUF_SIZE); + if (!buf) { + ret = -ENOMEM; + goto err_unlock; + } + + ret = ath10k_debug_fw_stats_request(ar); + if (ret) { + ath10k_warn(ar, "failed to request fw stats: %d\n", ret); + goto err_free; + } + + ath10k_fw_stats_fill(ar, &ar->debug.fw_stats, buf); + file->private_data = buf; -exit: mutex_unlock(&ar->conf_mutex); - kfree(buf); - return ret_cnt; + return 0; + +err_free: + vfree(buf); + +err_unlock: + mutex_unlock(&ar->conf_mutex); + return ret; +} + +static int ath10k_fw_stats_release(struct inode *inode, struct file *file) +{ + vfree(file->private_data); + + return 0; +} + +static ssize_t ath10k_fw_stats_read(struct file *file, char __user *user_buf, + size_t count, loff_t *ppos) +{ + const char *buf = file->private_data; + unsigned int len = strlen(buf); + + return simple_read_from_buffer(user_buf, count, ppos, buf, len); } static const struct file_operations fops_fw_stats = { - .read = ath10k_read_fw_stats, + .open = ath10k_fw_stats_open, + .release = ath10k_fw_stats_release, + .read = ath10k_fw_stats_read, + .owner = THIS_MODULE, + .llseek = default_llseek, +}; + +static ssize_t ath10k_debug_fw_reset_stats_read(struct file *file, + char __user *user_buf, + size_t count, loff_t *ppos) +{ + struct ath10k *ar = file->private_data; + int ret, len, buf_len; + char *buf; + + buf_len = 500; + buf = kmalloc(buf_len, GFP_KERNEL); + if (!buf) + return -ENOMEM; + + spin_lock_bh(&ar->data_lock); + + len = 0; + len += scnprintf(buf + len, buf_len - len, + "fw_crash_counter\t\t%d\n", ar->stats.fw_crash_counter); + len += scnprintf(buf + len, buf_len - len, + "fw_warm_reset_counter\t\t%d\n", + ar->stats.fw_warm_reset_counter); + len += scnprintf(buf + len, buf_len - len, + "fw_cold_reset_counter\t\t%d\n", + ar->stats.fw_cold_reset_counter); + + spin_unlock_bh(&ar->data_lock); + + ret = simple_read_from_buffer(user_buf, count, ppos, buf, len); + + kfree(buf); + + return ret; +} + +static const struct file_operations fops_fw_reset_stats = { .open = simple_open, + .read = ath10k_debug_fw_reset_stats_read, .owner = THIS_MODULE, .llseek = default_llseek, }; @@ -593,7 +690,8 @@ static ssize_t ath10k_read_simulate_fw_crash(struct file *file, "To simulate firmware crash write one of the keywords to this file:\n" "`soft` - this will send WMI_FORCE_FW_HANG_ASSERT to firmware if FW supports that command.\n" "`hard` - this will send to firmware command with illegal parameters causing firmware crash.\n" - "`assert` - this will send special illegal parameter to firmware to cause assert failure and crash.\n"; + "`assert` - this will send special illegal parameter to firmware to cause assert failure and crash.\n" + "`hw-restart` - this will simply queue hw restart without fw/hw actually crashing.\n"; return simple_read_from_buffer(user_buf, count, ppos, buf, strlen(buf)); } @@ -646,6 +744,10 @@ static ssize_t ath10k_write_simulate_fw_crash(struct file *file, } else if (!strcmp(buf, "assert")) { ath10k_info(ar, "simulating firmware assert crash\n"); ret = ath10k_debug_fw_assert(ar); + } else if (!strcmp(buf, "hw-restart")) { + ath10k_info(ar, "user requested hw restart\n"); + queue_work(ar->workqueue, &ar->restart_work); + ret = 0; } else { ret = -EINVAL; goto exit; @@ -759,8 +861,8 @@ static struct ath10k_dump_file_data *ath10k_build_dump_file(struct ath10k *ar) strlcpy(dump_data->fw_ver, ar->hw->wiphy->fw_version, sizeof(dump_data->fw_ver)); - dump_data->kernel_ver_code = cpu_to_le32(LINUX_VERSION_CODE); - strlcpy(dump_data->kernel_ver, VERMAGIC_STRING, + dump_data->kernel_ver_code = 0; + strlcpy(dump_data->kernel_ver, init_utsname()->release, sizeof(dump_data->kernel_ver)); dump_data->tv_sec = cpu_to_le64(crash_data->timestamp.tv_sec); @@ -822,6 +924,236 @@ static const struct file_operations fops_fw_crash_dump = { .llseek = default_llseek, }; +static ssize_t ath10k_reg_addr_read(struct file *file, + char __user *user_buf, + size_t count, loff_t *ppos) +{ + struct ath10k *ar = file->private_data; + u8 buf[32]; + unsigned int len = 0; + u32 reg_addr; + + mutex_lock(&ar->conf_mutex); + reg_addr = ar->debug.reg_addr; + mutex_unlock(&ar->conf_mutex); + + len += scnprintf(buf + len, sizeof(buf) - len, "0x%x\n", reg_addr); + + return simple_read_from_buffer(user_buf, count, ppos, buf, len); +} + +static ssize_t ath10k_reg_addr_write(struct file *file, + const char __user *user_buf, + size_t count, loff_t *ppos) +{ + struct ath10k *ar = file->private_data; + u32 reg_addr; + int ret; + + ret = kstrtou32_from_user(user_buf, count, 0, ®_addr); + if (ret) + return ret; + + if (!IS_ALIGNED(reg_addr, 4)) + return -EFAULT; + + mutex_lock(&ar->conf_mutex); + ar->debug.reg_addr = reg_addr; + mutex_unlock(&ar->conf_mutex); + + return count; +} + +static const struct file_operations fops_reg_addr = { + .read = ath10k_reg_addr_read, + .write = ath10k_reg_addr_write, + .open = simple_open, + .owner = THIS_MODULE, + .llseek = default_llseek, +}; + +static ssize_t ath10k_reg_value_read(struct file *file, + char __user *user_buf, + size_t count, loff_t *ppos) +{ + struct ath10k *ar = file->private_data; + u8 buf[48]; + unsigned int len; + u32 reg_addr, reg_val; + int ret; + + mutex_lock(&ar->conf_mutex); + + if (ar->state != ATH10K_STATE_ON && + ar->state != ATH10K_STATE_UTF) { + ret = -ENETDOWN; + goto exit; + } + + reg_addr = ar->debug.reg_addr; + + reg_val = ath10k_hif_read32(ar, reg_addr); + len = scnprintf(buf, sizeof(buf), "0x%08x:0x%08x\n", reg_addr, reg_val); + + ret = simple_read_from_buffer(user_buf, count, ppos, buf, len); + +exit: + mutex_unlock(&ar->conf_mutex); + + return ret; +} + +static ssize_t ath10k_reg_value_write(struct file *file, + const char __user *user_buf, + size_t count, loff_t *ppos) +{ + struct ath10k *ar = file->private_data; + u32 reg_addr, reg_val; + int ret; + + mutex_lock(&ar->conf_mutex); + + if (ar->state != ATH10K_STATE_ON && + ar->state != ATH10K_STATE_UTF) { + ret = -ENETDOWN; + goto exit; + } + + reg_addr = ar->debug.reg_addr; + + ret = kstrtou32_from_user(user_buf, count, 0, ®_val); + if (ret) + goto exit; + + ath10k_hif_write32(ar, reg_addr, reg_val); + + ret = count; + +exit: + mutex_unlock(&ar->conf_mutex); + + return ret; +} + +static const struct file_operations fops_reg_value = { + .read = ath10k_reg_value_read, + .write = ath10k_reg_value_write, + .open = simple_open, + .owner = THIS_MODULE, + .llseek = default_llseek, +}; + +static ssize_t ath10k_mem_value_read(struct file *file, + char __user *user_buf, + size_t count, loff_t *ppos) +{ + struct ath10k *ar = file->private_data; + u8 *buf; + int ret; + + if (*ppos < 0) + return -EINVAL; + + if (!count) + return 0; + + mutex_lock(&ar->conf_mutex); + + buf = vmalloc(count); + if (!buf) { + ret = -ENOMEM; + goto exit; + } + + if (ar->state != ATH10K_STATE_ON && + ar->state != ATH10K_STATE_UTF) { + ret = -ENETDOWN; + goto exit; + } + + ret = ath10k_hif_diag_read(ar, *ppos, buf, count); + if (ret) { + ath10k_warn(ar, "failed to read address 0x%08x via diagnose window fnrom debugfs: %d\n", + (u32)(*ppos), ret); + goto exit; + } + + ret = copy_to_user(user_buf, buf, count); + if (ret) { + ret = -EFAULT; + goto exit; + } + + count -= ret; + *ppos += count; + ret = count; + +exit: + vfree(buf); + mutex_unlock(&ar->conf_mutex); + + return ret; +} + +static ssize_t ath10k_mem_value_write(struct file *file, + const char __user *user_buf, + size_t count, loff_t *ppos) +{ + struct ath10k *ar = file->private_data; + u8 *buf; + int ret; + + if (*ppos < 0) + return -EINVAL; + + if (!count) + return 0; + + mutex_lock(&ar->conf_mutex); + + buf = vmalloc(count); + if (!buf) { + ret = -ENOMEM; + goto exit; + } + + if (ar->state != ATH10K_STATE_ON && + ar->state != ATH10K_STATE_UTF) { + ret = -ENETDOWN; + goto exit; + } + + ret = copy_from_user(buf, user_buf, count); + if (ret) { + ret = -EFAULT; + goto exit; + } + + ret = ath10k_hif_diag_write(ar, *ppos, buf, count); + if (ret) { + ath10k_warn(ar, "failed to write address 0x%08x via diagnose window from debugfs: %d\n", + (u32)(*ppos), ret); + goto exit; + } + + *ppos += count; + ret = count; + +exit: + vfree(buf); + mutex_unlock(&ar->conf_mutex); + + return ret; +} + +static const struct file_operations fops_mem_value = { + .read = ath10k_mem_value_read, + .write = ath10k_mem_value_write, + .open = simple_open, + .owner = THIS_MODULE, + .llseek = default_llseek, +}; + static int ath10k_debug_htt_stats_req(struct ath10k *ar) { u64 cookie; @@ -1029,6 +1361,166 @@ exit: return ret; } +/* TODO: Would be nice to always support ethtool stats, would need to + * move the stats storage out of ath10k_debug, or always have ath10k_debug + * struct available.. + */ + +/* This generally cooresponds to the debugfs fw_stats file */ +static const char ath10k_gstrings_stats[][ETH_GSTRING_LEN] = { + "tx_pkts_nic", + "tx_bytes_nic", + "rx_pkts_nic", + "rx_bytes_nic", + "d_noise_floor", + "d_cycle_count", + "d_phy_error", + "d_rts_bad", + "d_rts_good", + "d_tx_power", /* in .5 dbM I think */ + "d_rx_crc_err", /* fcs_bad */ + "d_no_beacon", + "d_tx_mpdus_queued", + "d_tx_msdu_queued", + "d_tx_msdu_dropped", + "d_local_enqued", + "d_local_freed", + "d_tx_ppdu_hw_queued", + "d_tx_ppdu_reaped", + "d_tx_fifo_underrun", + "d_tx_ppdu_abort", + "d_tx_mpdu_requed", + "d_tx_excessive_retries", + "d_tx_hw_rate", + "d_tx_dropped_sw_retries", + "d_tx_illegal_rate", + "d_tx_continuous_xretries", + "d_tx_timeout", + "d_tx_mpdu_txop_limit", + "d_pdev_resets", + "d_rx_mid_ppdu_route_change", + "d_rx_status", + "d_rx_extra_frags_ring0", + "d_rx_extra_frags_ring1", + "d_rx_extra_frags_ring2", + "d_rx_extra_frags_ring3", + "d_rx_msdu_htt", + "d_rx_mpdu_htt", + "d_rx_msdu_stack", + "d_rx_mpdu_stack", + "d_rx_phy_err", + "d_rx_phy_err_drops", + "d_rx_mpdu_errors", /* FCS, MIC, ENC */ + "d_fw_crash_count", + "d_fw_warm_reset_count", + "d_fw_cold_reset_count", +}; + +#define ATH10K_SSTATS_LEN ARRAY_SIZE(ath10k_gstrings_stats) + +void ath10k_debug_get_et_strings(struct ieee80211_hw *hw, + struct ieee80211_vif *vif, + u32 sset, u8 *data) +{ + if (sset == ETH_SS_STATS) + memcpy(data, *ath10k_gstrings_stats, + sizeof(ath10k_gstrings_stats)); +} + +int ath10k_debug_get_et_sset_count(struct ieee80211_hw *hw, + struct ieee80211_vif *vif, int sset) +{ + if (sset == ETH_SS_STATS) + return ATH10K_SSTATS_LEN; + + return 0; +} + +void ath10k_debug_get_et_stats(struct ieee80211_hw *hw, + struct ieee80211_vif *vif, + struct ethtool_stats *stats, u64 *data) +{ + struct ath10k *ar = hw->priv; + static const struct ath10k_fw_stats_pdev zero_stats = {}; + const struct ath10k_fw_stats_pdev *pdev_stats; + int i = 0, ret; + + mutex_lock(&ar->conf_mutex); + + if (ar->state == ATH10K_STATE_ON) { + ret = ath10k_debug_fw_stats_request(ar); + if (ret) { + /* just print a warning and try to use older results */ + ath10k_warn(ar, + "failed to get fw stats for ethtool: %d\n", + ret); + } + } + + pdev_stats = list_first_entry_or_null(&ar->debug.fw_stats.pdevs, + struct ath10k_fw_stats_pdev, + list); + if (!pdev_stats) { + /* no results available so just return zeroes */ + pdev_stats = &zero_stats; + } + + spin_lock_bh(&ar->data_lock); + + data[i++] = pdev_stats->hw_reaped; /* ppdu reaped */ + data[i++] = 0; /* tx bytes */ + data[i++] = pdev_stats->htt_mpdus; + data[i++] = 0; /* rx bytes */ + data[i++] = pdev_stats->ch_noise_floor; + data[i++] = pdev_stats->cycle_count; + data[i++] = pdev_stats->phy_err_count; + data[i++] = pdev_stats->rts_bad; + data[i++] = pdev_stats->rts_good; + data[i++] = pdev_stats->chan_tx_power; + data[i++] = pdev_stats->fcs_bad; + data[i++] = pdev_stats->no_beacons; + data[i++] = pdev_stats->mpdu_enqued; + data[i++] = pdev_stats->msdu_enqued; + data[i++] = pdev_stats->wmm_drop; + data[i++] = pdev_stats->local_enqued; + data[i++] = pdev_stats->local_freed; + data[i++] = pdev_stats->hw_queued; + data[i++] = pdev_stats->hw_reaped; + data[i++] = pdev_stats->underrun; + data[i++] = pdev_stats->tx_abort; + data[i++] = pdev_stats->mpdus_requed; + data[i++] = pdev_stats->tx_ko; + data[i++] = pdev_stats->data_rc; + data[i++] = pdev_stats->sw_retry_failure; + data[i++] = pdev_stats->illgl_rate_phy_err; + data[i++] = pdev_stats->pdev_cont_xretry; + data[i++] = pdev_stats->pdev_tx_timeout; + data[i++] = pdev_stats->txop_ovf; + data[i++] = pdev_stats->pdev_resets; + data[i++] = pdev_stats->mid_ppdu_route_change; + data[i++] = pdev_stats->status_rcvd; + data[i++] = pdev_stats->r0_frags; + data[i++] = pdev_stats->r1_frags; + data[i++] = pdev_stats->r2_frags; + data[i++] = pdev_stats->r3_frags; + data[i++] = pdev_stats->htt_msdus; + data[i++] = pdev_stats->htt_mpdus; + data[i++] = pdev_stats->loc_msdus; + data[i++] = pdev_stats->loc_mpdus; + data[i++] = pdev_stats->phy_errs; + data[i++] = pdev_stats->phy_err_drop; + data[i++] = pdev_stats->mpdu_errs; + data[i++] = ar->stats.fw_crash_counter; + data[i++] = ar->stats.fw_warm_reset_counter; + data[i++] = ar->stats.fw_cold_reset_counter; + + spin_unlock_bh(&ar->data_lock); + + mutex_unlock(&ar->conf_mutex); + + WARN_ON(i != ATH10K_SSTATS_LEN); +} + static const struct file_operations fops_fw_dbglog = { .read = ath10k_read_fw_dbglog, .write = ath10k_write_fw_dbglog, @@ -1037,6 +1529,84 @@ static const struct file_operations fops_fw_dbglog = { .llseek = default_llseek, }; +static int ath10k_debug_cal_data_open(struct inode *inode, struct file *file) +{ + struct ath10k *ar = inode->i_private; + void *buf; + u32 hi_addr; + __le32 addr; + int ret; + + mutex_lock(&ar->conf_mutex); + + if (ar->state != ATH10K_STATE_ON && + ar->state != ATH10K_STATE_UTF) { + ret = -ENETDOWN; + goto err; + } + + buf = vmalloc(QCA988X_CAL_DATA_LEN); + if (!buf) { + ret = -ENOMEM; + goto err; + } + + hi_addr = host_interest_item_address(HI_ITEM(hi_board_data)); + + ret = ath10k_hif_diag_read(ar, hi_addr, &addr, sizeof(addr)); + if (ret) { + ath10k_warn(ar, "failed to read hi_board_data address: %d\n", ret); + goto err_vfree; + } + + ret = ath10k_hif_diag_read(ar, le32_to_cpu(addr), buf, + QCA988X_CAL_DATA_LEN); + if (ret) { + ath10k_warn(ar, "failed to read calibration data: %d\n", ret); + goto err_vfree; + } + + file->private_data = buf; + + mutex_unlock(&ar->conf_mutex); + + return 0; + +err_vfree: + vfree(buf); + +err: + mutex_unlock(&ar->conf_mutex); + + return ret; +} + +static ssize_t ath10k_debug_cal_data_read(struct file *file, + char __user *user_buf, + size_t count, loff_t *ppos) +{ + void *buf = file->private_data; + + return simple_read_from_buffer(user_buf, count, ppos, + buf, QCA988X_CAL_DATA_LEN); +} + +static int ath10k_debug_cal_data_release(struct inode *inode, + struct file *file) +{ + vfree(file->private_data); + + return 0; +} + +static const struct file_operations fops_cal_data = { + .open = ath10k_debug_cal_data_open, + .read = ath10k_debug_cal_data_read, + .release = ath10k_debug_cal_data_release, + .owner = THIS_MODULE, + .llseek = default_llseek, +}; + int ath10k_debug_start(struct ath10k *ar) { int ret; @@ -1057,7 +1627,22 @@ int ath10k_debug_start(struct ath10k *ar) ret); } - return 0; + if (ar->debug.pktlog_filter) { + ret = ath10k_wmi_pdev_pktlog_enable(ar, + ar->debug.pktlog_filter); + if (ret) + /* not serious */ + ath10k_warn(ar, + "failed to enable pktlog filter %x: %d\n", + ar->debug.pktlog_filter, ret); + } else { + ret = ath10k_wmi_pdev_pktlog_disable(ar); + if (ret) + /* not serious */ + ath10k_warn(ar, "failed to disable pktlog: %d\n", ret); + } + + return ret; } void ath10k_debug_stop(struct ath10k *ar) @@ -1072,6 +1657,8 @@ void ath10k_debug_stop(struct ath10k *ar) ar->debug.htt_max_amsdu = 0; ar->debug.htt_max_ampdu = 0; + + ath10k_wmi_pdev_pktlog_disable(ar); } static ssize_t ath10k_write_simulate_radar(struct file *file, @@ -1154,12 +1741,78 @@ static const struct file_operations fops_dfs_stats = { .llseek = default_llseek, }; +static ssize_t ath10k_write_pktlog_filter(struct file *file, + const char __user *ubuf, + size_t count, loff_t *ppos) +{ + struct ath10k *ar = file->private_data; + u32 filter; + int ret; + + if (kstrtouint_from_user(ubuf, count, 0, &filter)) + return -EINVAL; + + mutex_lock(&ar->conf_mutex); + + if (ar->state != ATH10K_STATE_ON) { + ar->debug.pktlog_filter = filter; + ret = count; + goto out; + } + + if (filter && (filter != ar->debug.pktlog_filter)) { + ret = ath10k_wmi_pdev_pktlog_enable(ar, filter); + if (ret) { + ath10k_warn(ar, "failed to enable pktlog filter %x: %d\n", + ar->debug.pktlog_filter, ret); + goto out; + } + } else { + ret = ath10k_wmi_pdev_pktlog_disable(ar); + if (ret) { + ath10k_warn(ar, "failed to disable pktlog: %d\n", ret); + goto out; + } + } + + ar->debug.pktlog_filter = filter; + ret = count; + +out: + mutex_unlock(&ar->conf_mutex); + return ret; +} + +static ssize_t ath10k_read_pktlog_filter(struct file *file, char __user *ubuf, + size_t count, loff_t *ppos) +{ + char buf[32]; + struct ath10k *ar = file->private_data; + int len = 0; + + mutex_lock(&ar->conf_mutex); + len = scnprintf(buf, sizeof(buf) - len, "%08x\n", + ar->debug.pktlog_filter); + mutex_unlock(&ar->conf_mutex); + + return simple_read_from_buffer(ubuf, count, ppos, buf, len); +} + +static const struct file_operations fops_pktlog_filter = { + .read = ath10k_read_pktlog_filter, + .write = ath10k_write_pktlog_filter, + .open = simple_open +}; + int ath10k_debug_create(struct ath10k *ar) { ar->debug.fw_crash_data = vzalloc(sizeof(*ar->debug.fw_crash_data)); if (!ar->debug.fw_crash_data) return -ENOMEM; + INIT_LIST_HEAD(&ar->debug.fw_stats.pdevs); + INIT_LIST_HEAD(&ar->debug.fw_stats.peers); + return 0; } @@ -1167,6 +1820,8 @@ void ath10k_debug_destroy(struct ath10k *ar) { vfree(ar->debug.fw_crash_data); ar->debug.fw_crash_data = NULL; + + ath10k_debug_fw_stats_reset(ar); } int ath10k_debug_register(struct ath10k *ar) @@ -1183,11 +1838,14 @@ int ath10k_debug_register(struct ath10k *ar) INIT_DELAYED_WORK(&ar->debug.htt_stats_dwork, ath10k_debug_htt_stats_dwork); - init_completion(&ar->debug.event_stats_compl); + init_completion(&ar->debug.fw_stats_complete); debugfs_create_file("fw_stats", S_IRUSR, ar->debug.debugfs_phy, ar, &fops_fw_stats); + debugfs_create_file("fw_reset_stats", S_IRUSR, ar->debug.debugfs_phy, + ar, &fops_fw_reset_stats); + debugfs_create_file("wmi_services", S_IRUSR, ar->debug.debugfs_phy, ar, &fops_wmi_services); @@ -1197,6 +1855,15 @@ int ath10k_debug_register(struct ath10k *ar) debugfs_create_file("fw_crash_dump", S_IRUSR, ar->debug.debugfs_phy, ar, &fops_fw_crash_dump); + debugfs_create_file("reg_addr", S_IRUSR | S_IWUSR, + ar->debug.debugfs_phy, ar, &fops_reg_addr); + + debugfs_create_file("reg_value", S_IRUSR | S_IWUSR, + ar->debug.debugfs_phy, ar, &fops_reg_value); + + debugfs_create_file("mem_value", S_IRUSR | S_IWUSR, + ar->debug.debugfs_phy, ar, &fops_mem_value); + debugfs_create_file("chip_id", S_IRUSR, ar->debug.debugfs_phy, ar, &fops_chip_id); @@ -1210,6 +1877,9 @@ int ath10k_debug_register(struct ath10k *ar) debugfs_create_file("fw_dbglog", S_IRUSR, ar->debug.debugfs_phy, ar, &fops_fw_dbglog); + debugfs_create_file("cal_data", S_IRUSR, ar->debug.debugfs_phy, + ar, &fops_cal_data); + if (config_enabled(CONFIG_ATH10K_DFS_CERTIFIED)) { debugfs_create_file("dfs_simulate_radar", S_IWUSR, ar->debug.debugfs_phy, ar, @@ -1224,6 +1894,9 @@ int ath10k_debug_register(struct ath10k *ar) &fops_dfs_stats); } + debugfs_create_file("pktlog_filter", S_IRUGO | S_IWUSR, + ar->debug.debugfs_phy, ar, &fops_pktlog_filter); + return 0; } @@ -1260,11 +1933,26 @@ void ath10k_dbg_dump(struct ath10k *ar, const char *msg, const char *prefix, const void *buf, size_t len) { + char linebuf[256]; + unsigned int linebuflen; + const void *ptr; + if (ath10k_debug_mask & mask) { if (msg) ath10k_dbg(ar, mask, "%s\n", msg); - print_hex_dump_bytes(prefix, DUMP_PREFIX_OFFSET, buf, len); + for (ptr = buf; (ptr - buf) < len; ptr += 16) { + linebuflen = 0; + linebuflen += scnprintf(linebuf + linebuflen, + sizeof(linebuf) - linebuflen, + "%s%08x: ", + (prefix ? prefix : ""), + (unsigned int)(ptr - buf)); + hex_dump_to_buffer(ptr, len - (ptr - buf), 16, 1, + linebuf + linebuflen, + sizeof(linebuf) - linebuflen, true); + dev_printk(KERN_DEBUG, ar->dev, "%s\n", linebuf); + } } /* tracing code doesn't like null strings :/ */ |