diff options
Diffstat (limited to 'drivers/net/wireless/ath/ath11k/debug.c')
| -rw-r--r-- | drivers/net/wireless/ath/ath11k/debug.c | 128 |
1 files changed, 122 insertions, 6 deletions
diff --git a/drivers/net/wireless/ath/ath11k/debug.c b/drivers/net/wireless/ath/ath11k/debug.c index 3fd6b5af073b..62a1aa0565a9 100644 --- a/drivers/net/wireless/ath/ath11k/debug.c +++ b/drivers/net/wireless/ath/ath11k/debug.c @@ -12,6 +12,43 @@ #include "debug_htt_stats.h" #include "peer.h" +static const char *htt_bp_umac_ring[HTT_SW_UMAC_RING_IDX_MAX] = { + "REO2SW1_RING", + "REO2SW2_RING", + "REO2SW3_RING", + "REO2SW4_RING", + "WBM2REO_LINK_RING", + "REO2TCL_RING", + "REO2FW_RING", + "RELEASE_RING", + "PPE_RELEASE_RING", + "TCL2TQM_RING", + "TQM_RELEASE_RING", + "REO_RELEASE_RING", + "WBM2SW0_RELEASE_RING", + "WBM2SW1_RELEASE_RING", + "WBM2SW2_RELEASE_RING", + "WBM2SW3_RELEASE_RING", + "REO_CMD_RING", + "REO_STATUS_RING", +}; + +static const char *htt_bp_lmac_ring[HTT_SW_LMAC_RING_IDX_MAX] = { + "FW2RXDMA_BUF_RING", + "FW2RXDMA_STATUS_RING", + "FW2RXDMA_LINK_RING", + "SW2RXDMA_BUF_RING", + "WBM2RXDMA_LINK_RING", + "RXDMA2FW_RING", + "RXDMA2SW_RING", + "RXDMA2RELEASE_RING", + "RXDMA2REO_RING", + "MONITOR_STATUS_RING", + "MONITOR_BUF_RING", + "MONITOR_DESC_RING", + "MONITOR_DEST_RING", +}; + void ath11k_info(struct ath11k_base *ab, const char *fmt, ...) { struct va_format vaf = { @@ -739,12 +776,78 @@ static const struct file_operations fops_extd_rx_stats = { .open = simple_open, }; -static ssize_t ath11k_debug_dump_soc_rx_stats(struct file *file, +static int ath11k_fill_bp_stats(struct ath11k_base *ab, + struct ath11k_bp_stats *bp_stats, + char *buf, int len, int size) +{ + lockdep_assert_held(&ab->base_lock); + + len += scnprintf(buf + len, size - len, "count: %u\n", + bp_stats->count); + len += scnprintf(buf + len, size - len, "hp: %u\n", + bp_stats->hp); + len += scnprintf(buf + len, size - len, "tp: %u\n", + bp_stats->tp); + len += scnprintf(buf + len, size - len, "seen before: %ums\n\n", + jiffies_to_msecs(jiffies - bp_stats->jiffies)); + return len; +} + +static ssize_t ath11k_debug_dump_soc_ring_bp_stats(struct ath11k_base *ab, + char *buf, int size) +{ + struct ath11k_bp_stats *bp_stats; + bool stats_rxd = false; + u8 i, pdev_idx; + int len = 0; + + len += scnprintf(buf + len, size - len, "\nBackpressure Stats\n"); + len += scnprintf(buf + len, size - len, "==================\n"); + + spin_lock_bh(&ab->base_lock); + for (i = 0; i < HTT_SW_UMAC_RING_IDX_MAX; i++) { + bp_stats = &ab->soc_stats.bp_stats.umac_ring_bp_stats[i]; + + if (!bp_stats->count) + continue; + + len += scnprintf(buf + len, size - len, "Ring: %s\n", + htt_bp_umac_ring[i]); + len = ath11k_fill_bp_stats(ab, bp_stats, buf, len, size); + stats_rxd = true; + } + + for (i = 0; i < HTT_SW_LMAC_RING_IDX_MAX; i++) { + for (pdev_idx = 0; pdev_idx < MAX_RADIOS; pdev_idx++) { + bp_stats = + &ab->soc_stats.bp_stats.lmac_ring_bp_stats[i][pdev_idx]; + + if (!bp_stats->count) + continue; + + len += scnprintf(buf + len, size - len, "Ring: %s\n", + htt_bp_lmac_ring[i]); + len += scnprintf(buf + len, size - len, "pdev: %d\n", + pdev_idx); + len = ath11k_fill_bp_stats(ab, bp_stats, buf, len, size); + stats_rxd = true; + } + } + spin_unlock_bh(&ab->base_lock); + + if (!stats_rxd) + len += scnprintf(buf + len, size - len, + "No Ring Backpressure stats received\n\n"); + + return len; +} + +static ssize_t ath11k_debug_dump_soc_dp_stats(struct file *file, char __user *user_buf, size_t count, loff_t *ppos) { struct ath11k_base *ab = file->private_data; - struct ath11k_soc_dp_rx_stats *soc_stats = &ab->soc_stats; + struct ath11k_soc_dp_stats *soc_stats = &ab->soc_stats; int len = 0, i, retval; const int size = 4096; static const char *rxdma_err[HAL_REO_ENTR_RING_RXDMA_ECODE_MAX] = { @@ -788,6 +891,19 @@ static ssize_t ath11k_debug_dump_soc_rx_stats(struct file *file, soc_stats->hal_reo_error[2], soc_stats->hal_reo_error[3]); + len += scnprintf(buf + len, size - len, "\nSOC TX STATS:\n"); + len += scnprintf(buf + len, size - len, "\nTCL Ring Full Failures:\n"); + + for (i = 0; i < DP_TCL_NUM_RING_MAX; i++) + len += scnprintf(buf + len, size - len, "ring%d: %u\n", + i, soc_stats->tx_err.desc_na[i]); + + len += scnprintf(buf + len, size - len, + "\nMisc Transmit Failures: %d\n", + atomic_read(&soc_stats->tx_err.misc_fail)); + + len += ath11k_debug_dump_soc_ring_bp_stats(ab, buf + len, size - len); + if (len > size) len = size; retval = simple_read_from_buffer(user_buf, count, ppos, buf, len); @@ -796,8 +912,8 @@ static ssize_t ath11k_debug_dump_soc_rx_stats(struct file *file, return retval; } -static const struct file_operations fops_soc_rx_stats = { - .read = ath11k_debug_dump_soc_rx_stats, +static const struct file_operations fops_soc_dp_stats = { + .read = ath11k_debug_dump_soc_dp_stats, .open = simple_open, .owner = THIS_MODULE, .llseek = default_llseek, @@ -819,8 +935,8 @@ int ath11k_debug_pdev_create(struct ath11k_base *ab) debugfs_create_file("simulate_fw_crash", 0600, ab->debugfs_soc, ab, &fops_simulate_fw_crash); - debugfs_create_file("soc_rx_stats", 0600, ab->debugfs_soc, ab, - &fops_soc_rx_stats); + debugfs_create_file("soc_dp_stats", 0600, ab->debugfs_soc, ab, + &fops_soc_dp_stats); return 0; } |