Add sw pattern detector statistics to mt76x2 debugfs. Moreover track down number of allocated sequence by the detector
Signed-off-by: Lorenzo Bianconi <[email protected]> --- drivers/net/wireless/mediatek/mt76/mt76x2_debugfs.c | 8 ++++++++ drivers/net/wireless/mediatek/mt76/mt76x2_dfs.c | 11 ++++++++++- drivers/net/wireless/mediatek/mt76/mt76x2_dfs.h | 7 +++++++ 3 files changed, 25 insertions(+), 1 deletion(-) diff --git a/drivers/net/wireless/mediatek/mt76/mt76x2_debugfs.c b/drivers/net/wireless/mediatek/mt76/mt76x2_debugfs.c index 3f86e01049f3..74725902e6dc 100644 --- a/drivers/net/wireless/mediatek/mt76/mt76x2_debugfs.c +++ b/drivers/net/wireless/mediatek/mt76/mt76x2_debugfs.c @@ -91,12 +91,20 @@ mt76x2_dfs_stat_read(struct seq_file *file, void *data) struct mt76x2_dev *dev = file->private; struct mt76x2_dfs_pattern_detector *dfs_pd = &dev->dfs_pd; + seq_printf(file, "allocated sequences:\t%d\n", + dfs_pd->seq_stats.seq_pool_len); + seq_printf(file, "used sequences:\t\t%d\n", + dfs_pd->seq_stats.seq_len); + seq_puts(file, "\n"); + for (i = 0; i < MT_DFS_NUM_ENGINES; i++) { seq_printf(file, "engine: %d\n", i); seq_printf(file, " hw pattern detected:\t%d\n", dfs_pd->stats[i].hw_pattern); seq_printf(file, " hw pulse discarded:\t%d\n", dfs_pd->stats[i].hw_pulse_discarded); + seq_printf(file, " sw pattern detected:\t%d\n", + dfs_pd->stats[i].sw_pattern); } return 0; diff --git a/drivers/net/wireless/mediatek/mt76/mt76x2_dfs.c b/drivers/net/wireless/mediatek/mt76/mt76x2_dfs.c index 38c1d5dc47ec..374cc655c11d 100644 --- a/drivers/net/wireless/mediatek/mt76/mt76x2_dfs.c +++ b/drivers/net/wireless/mediatek/mt76/mt76x2_dfs.c @@ -165,6 +165,9 @@ static void mt76x2_dfs_seq_pool_put(struct mt76x2_dev *dev, struct mt76x2_dfs_pattern_detector *dfs_pd = &dev->dfs_pd; list_add(&seq->head, &dfs_pd->seq_pool); + + dfs_pd->seq_stats.seq_pool_len++; + dfs_pd->seq_stats.seq_len--; } static @@ -180,7 +183,11 @@ struct mt76x2_dfs_sequence *mt76x2_dfs_seq_pool_get(struct mt76x2_dev *dev) struct mt76x2_dfs_sequence, head); list_del(&seq->head); + dfs_pd->seq_stats.seq_pool_len--; } + if (seq) + dfs_pd->seq_stats.seq_len++; + return seq; } @@ -555,8 +562,10 @@ static bool mt76x2_dfs_check_detection(struct mt76x2_dev *dev) return false; list_for_each_entry(seq, &dfs_pd->sequences, head) { - if (seq->count > MT_DFS_SEQUENCE_TH) + if (seq->count > MT_DFS_SEQUENCE_TH) { + dfs_pd->stats[seq->engine].sw_pattern++; return true; + } } return false; } diff --git a/drivers/net/wireless/mediatek/mt76/mt76x2_dfs.h b/drivers/net/wireless/mediatek/mt76/mt76x2_dfs.h index 83d2ff0b7e1f..693f421bf096 100644 --- a/drivers/net/wireless/mediatek/mt76/mt76x2_dfs.h +++ b/drivers/net/wireless/mediatek/mt76/mt76x2_dfs.h @@ -109,6 +109,12 @@ struct mt76x2_dfs_sw_detector_params { struct mt76x2_dfs_engine_stats { u32 hw_pattern; u32 hw_pulse_discarded; + u32 sw_pattern; +}; + +struct mt76x2_dfs_seq_stats { + u32 seq_pool_len; + u32 seq_len; }; struct mt76x2_dfs_pattern_detector { @@ -122,6 +128,7 @@ struct mt76x2_dfs_pattern_detector { struct list_head sequences; struct list_head seq_pool; + struct mt76x2_dfs_seq_stats seq_stats; unsigned long last_sw_check; u32 last_event_ts; -- 2.17.1
