From e9415009afb9dd82647dafadf4d4bb872c5b97e9 Mon Sep 17 00:00:00 2001 From: Felix Fietkau Date: Tue, 26 Feb 2019 15:15:28 +0100 Subject: [PATCH] mt76: mt7603: make dynamic sensitivity adjustment configurable via debugfs In some cases it may be useful for debugging to disable this feature Signed-off-by: Felix Fietkau --- drivers/net/wireless/mediatek/mt76/mt7603/debugfs.c | 2 ++ drivers/net/wireless/mediatek/mt76/mt7603/init.c | 1 + drivers/net/wireless/mediatek/mt76/mt7603/mac.c | 3 +++ drivers/net/wireless/mediatek/mt76/mt7603/mt7603.h | 1 + 4 files changed, 7 insertions(+) diff --git a/drivers/net/wireless/mediatek/mt76/mt7603/debugfs.c b/drivers/net/wireless/mediatek/mt76/mt7603/debugfs.c index a84e801..cc7c788 100644 --- a/drivers/net/wireless/mediatek/mt76/mt7603/debugfs.c +++ b/drivers/net/wireless/mediatek/mt76/mt7603/debugfs.c @@ -123,4 +123,6 @@ void mt7603_init_debugfs(struct mt7603_dev *dev) mt7603_radio_read); debugfs_create_u8("sensitivity_limit", 0600, dir, &dev->sensitivity_limit); + debugfs_create_bool("dynamic_sensitivity", 0600, dir, + &dev->dynamic_sensitivity); } diff --git a/drivers/net/wireless/mediatek/mt76/mt7603/init.c b/drivers/net/wireless/mediatek/mt76/mt7603/init.c index 97ba5dd..f641a8b 100644 --- a/drivers/net/wireless/mediatek/mt76/mt7603/init.c +++ b/drivers/net/wireless/mediatek/mt76/mt7603/init.c @@ -541,6 +541,7 @@ int mt7603_register_device(struct mt7603_dev *dev) dev->slottime = 9; dev->sensitivity_limit = 28; + dev->dynamic_sensitivity = true; ret = mt7603_init_hardware(dev); if (ret) diff --git a/drivers/net/wireless/mediatek/mt76/mt7603/mac.c b/drivers/net/wireless/mediatek/mt76/mt7603/mac.c index a3daae4..39b7c5d 100644 --- a/drivers/net/wireless/mediatek/mt76/mt7603/mac.c +++ b/drivers/net/wireless/mediatek/mt76/mt7603/mac.c @@ -1727,6 +1727,9 @@ mt7603_false_cca_check(struct mt7603_dev *dev) int min_signal; u32 val; + if (!dev->dynamic_sensitivity) + return; + val = mt76_rr(dev, MT_PHYCTRL_STAT_PD); pd_cck = FIELD_GET(MT_PHYCTRL_STAT_PD_CCK, val); pd_ofdm = FIELD_GET(MT_PHYCTRL_STAT_PD_OFDM, val); diff --git a/drivers/net/wireless/mediatek/mt76/mt7603/mt7603.h b/drivers/net/wireless/mediatek/mt76/mt7603/mt7603.h index 831a269..7fadf09 100644 --- a/drivers/net/wireless/mediatek/mt76/mt7603/mt7603.h +++ b/drivers/net/wireless/mediatek/mt76/mt7603/mt7603.h @@ -142,6 +142,7 @@ struct mt7603_dev { u8 ed_strict_mode; u8 ed_strong_signal; + bool dynamic_sensitivity; s8 sensitivity; u8 sensitivity_limit; -- 2.7.4