[RFC mac80211-next 7/7] mt76: mt7915: add twt_stats knob in debugfs
From: Lorenzo Bianconi <lorenzo@kernel.org>
Date: 2021-07-16 15:04:51
Subsystem:
mediatek mt76 wireless lan driver, the rest · Maintainers:
Felix Fietkau, Lorenzo Bianconi, Ryder Lee, Linus Torvalds
Introduce twt_stats knob in debugfs in order to dump established agreements Signed-off-by: Lorenzo Bianconi <lorenzo@kernel.org> --- .../wireless/mediatek/mt76/mt7915/debugfs.c | 28 +++++++++++++++++++ 1 file changed, 28 insertions(+)
diff --git a/drivers/net/wireless/mediatek/mt76/mt7915/debugfs.c b/drivers/net/wireless/mediatek/mt76/mt7915/debugfs.c
index 1a48b09d0cb7..5ed329f720d6 100644
--- a/drivers/net/wireless/mediatek/mt76/mt7915/debugfs.c
+++ b/drivers/net/wireless/mediatek/mt76/mt7915/debugfs.c@@ -335,6 +335,32 @@ mt7915_read_rate_txpower(struct seq_file *s, void *data) return 0; } +static int +mt7915_twt_stats(struct seq_file *s, void *data) +{ + struct mt7915_dev *dev = dev_get_drvdata(s->private); + struct mt7915_twt_flow *iter; + + rcu_read_lock(); + + seq_puts(s, " wcid | id | flags | exp | mantissa"); + seq_puts(s, " | duration | tsf |\n"); + list_for_each_entry_rcu(iter, &dev->twt_list, list) + seq_printf(s, + "%9d | %8d | %5c%c%c%c | %8d | %8d | %8d | %14lld |\n", + iter->wcid, iter->id, + iter->sched ? 's' : 'u', + iter->protection ? 'p' : '-', + iter->trigger ? 't' : '-', + iter->flowtype ? '-' : 'a', + iter->exp, iter->mantissa, + iter->duration, iter->tsf); + + rcu_read_lock(); + + return 0; +} + int mt7915_init_debugfs(struct mt7915_dev *dev) { struct dentry *dir;
@@ -352,6 +378,8 @@ int mt7915_init_debugfs(struct mt7915_dev *dev) debugfs_create_file("implicit_txbf", 0600, dir, dev, &fops_implicit_txbf); debugfs_create_u32("dfs_hw_pattern", 0400, dir, &dev->hw_pattern); + debugfs_create_devm_seqfile(dev->mt76.dev, "twt_stats", dir, + mt7915_twt_stats); /* test knobs */ debugfs_create_file("radar_trigger", 0200, dir, dev, &fops_radar_trigger);
--
2.31.1