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mt76: mt7615: add Smart Carrier Sense support

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Introduce Smart Carrier Sense support in order to tune device
sensitivity according to RTS error rate and False CCA reported by the
radio

Tested-by: Ryder Lee <[email protected]>
Signed-off-by: Lorenzo Bianconi <[email protected]>
Signed-off-by: Felix Fietkau <[email protected]>
This commit is contained in:
Lorenzo Bianconi
2019-08-20 15:22:21 +02:00
committed by Felix Fietkau
parent 4d57f1cee4
commit 2becd13be7
6 changed files with 270 additions and 0 deletions
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mt7615/debugfs.c
+39
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@@ -13,6 +13,42 @@ mt7615_radar_pattern_set(void *data, u64 val)
DEFINE_DEBUGFS_ATTRIBUTE(fops_radar_pattern, NULL,
mt7615_radar_pattern_set, "%lld\n");
static int
mt7615_scs_set(void *data, u64 val)
{
struct mt7615_dev *dev = data;
mt7615_mac_set_scs(dev, val);
return 0;
}
static int
mt7615_scs_get(void *data, u64 *val)
{
struct mt7615_dev *dev = data;
*val = dev->scs_en;
return 0;
}
DEFINE_DEBUGFS_ATTRIBUTE(fops_scs, mt7615_scs_get,
mt7615_scs_set, "%lld\n");
static int
mt7615_radio_read(struct seq_file *s, void *data)
{
struct mt7615_dev *dev = dev_get_drvdata(s->private);
seq_printf(s, "Sensitivity: ofdm=%d cck=%d\n",
dev->ofdm_sensitivity, dev->cck_sensitivity);
seq_printf(s, "False CCA: ofdm=%d cck=%d\n",
dev->false_cca_ofdm, dev->false_cca_cck);
return 0;
}
int mt7615_init_debugfs(struct mt7615_dev *dev)
{
struct dentry *dir;
@@ -21,6 +57,9 @@ int mt7615_init_debugfs(struct mt7615_dev *dev)
if (!dir)
return -ENOMEM;
debugfs_create_file("scs", 0600, dir, dev, &fops_scs);
debugfs_create_devm_seqfile(dev->mt76.dev, "radio", dir,
mt7615_radio_read);
debugfs_create_u32("dfs_hw_pattern", 0400, dir, &dev->hw_pattern);
/* test pattern knobs */
debugfs_create_u8("pattern_len", 0600, dir,