2021-08-07 03:15:05

by Ryder Lee

[permalink] [raw]
Subject: [PATCH 3/4] mt76: mt7915: add HE-LTF into fixed rate command

Add HE-LTF control.

Signed-off-by: Shayne Chen <[email protected]>
Signed-off-by: Ryder Lee <[email protected]>
---
drivers/net/wireless/mediatek/mt76/mt7915/debugfs.c | 4 +++-
drivers/net/wireless/mediatek/mt76/mt7915/mcu.c | 13 +++++++------
drivers/net/wireless/mediatek/mt76/mt7915/mcu.h | 1 +
3 files changed, 11 insertions(+), 7 deletions(-)

diff --git a/drivers/net/wireless/mediatek/mt76/mt7915/debugfs.c b/drivers/net/wireless/mediatek/mt76/mt7915/debugfs.c
index 1a48b09d0cb7..d9d18f662039 100644
--- a/drivers/net/wireless/mediatek/mt76/mt7915/debugfs.c
+++ b/drivers/net/wireless/mediatek/mt76/mt7915/debugfs.c
@@ -365,12 +365,14 @@ int mt7915_init_debugfs(struct mt7915_dev *dev)
#ifdef CONFIG_MAC80211_DEBUGFS
/** per-station debugfs **/

-/* usage: <tx mode> <ldpc> <stbc> <bw> <gi> <nss> <mcs> */
static int mt7915_sta_fixed_rate_set(void *data, u64 rate)
{
struct ieee80211_sta *sta = data;
struct mt7915_sta *msta = (struct mt7915_sta *)sta->drv_priv;

+ /* usage: <he ltf> <tx mode> <ldpc> <stbc> <bw> <gi> <nss> <mcs>
+ * <tx mode>: see enum mt76_phy_type
+ */
return mt7915_mcu_set_fixed_rate(msta->vif->phy->dev, sta, rate);
}

diff --git a/drivers/net/wireless/mediatek/mt76/mt7915/mcu.c b/drivers/net/wireless/mediatek/mt76/mt7915/mcu.c
index 8ece8bf907cc..59731c1831ea 100644
--- a/drivers/net/wireless/mediatek/mt76/mt7915/mcu.c
+++ b/drivers/net/wireless/mediatek/mt76/mt7915/mcu.c
@@ -2312,10 +2312,9 @@ int mt7915_mcu_set_fixed_rate(struct mt7915_dev *dev,
if (!rate) {
ra->field = cpu_to_le32(RATE_PARAM_AUTO);
goto out;
- } else {
- ra->field = cpu_to_le32(RATE_PARAM_FIXED);
}

+ ra->field = cpu_to_le32(RATE_PARAM_FIXED);
ra->phy.type = FIELD_GET(RATE_CFG_PHY_TYPE, rate);
ra->phy.bw = FIELD_GET(RATE_CFG_BW, rate);
ra->phy.nss = FIELD_GET(RATE_CFG_NSS, rate);
@@ -2328,10 +2327,12 @@ int mt7915_mcu_set_fixed_rate(struct mt7915_dev *dev,
ra->phy.ldpc = FIELD_GET(RATE_CFG_LDPC, rate) * 7;

/* HT/VHT - SGI: 1, LGI: 0; HE - SGI: 0, MGI: 1, LGI: 2 */
- if (ra->phy.type > MT_PHY_TYPE_VHT)
- ra->phy.sgi = ra->phy.mcs * 85;
- else
- ra->phy.sgi = ra->phy.mcs * 15;
+ if (ra->phy.type > MT_PHY_TYPE_VHT) {
+ ra->phy.he_ltf = FIELD_GET(RATE_CFG_HE_LTF, rate) * 85;
+ ra->phy.sgi = FIELD_GET(RATE_CFG_GI, rate) * 85;
+ } else {
+ ra->phy.sgi = FIELD_GET(RATE_CFG_GI, rate) * 15;
+ }

out:
return mt76_mcu_skb_send_msg(&dev->mt76, skb,
diff --git a/drivers/net/wireless/mediatek/mt76/mt7915/mcu.h b/drivers/net/wireless/mediatek/mt76/mt7915/mcu.h
index d109548994cf..2b47cdf0fd17 100644
--- a/drivers/net/wireless/mediatek/mt76/mt7915/mcu.h
+++ b/drivers/net/wireless/mediatek/mt76/mt7915/mcu.h
@@ -945,6 +945,7 @@ struct sta_rec_ra_fixed {
#define RATE_CFG_STBC GENMASK(19, 16)
#define RATE_CFG_LDPC GENMASK(23, 20)
#define RATE_CFG_PHY_TYPE GENMASK(27, 24)
+#define RATE_CFG_HE_LTF GENMASK(31, 28)

struct sta_rec_bf {
__le16 tag;
--
2.29.2