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wifi: mt76: mt7915: add bf backoff limit table support

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The commit 22b980badc0f ("mt76: add functions for parsing rate power limits
from DT") introduced generic support for rates limits in the devicetree.
But the mt7915 supports beamforming and has another table for configuring
the backoff limits. These can be configured in the DT with the paths-*
properties. The path-*-bf are the ones relevant for beamforming and the
ones without -bf suffix for "traditional" path backoff.

Signed-off-by: Shayne Chen <[email protected]>
Signed-off-by: Sven Eckelmann (Plasma Cloud) <[email protected]>
Link: https://patch.msgid.link/20251007-backoff-table-support-v3-3-fd6e2684988f@simonwunderlich.de
Signed-off-by: Felix Fietkau <[email protected]>
This commit is contained in:
Shayne Chen
2025-10-13 12:49:20 +02:00
committed by Felix Fietkau
parent 95c4df3233
commit 6f27d647c0
10 changed files with 277 additions and 55 deletions
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mt7915/mt7915.h
+7 -2
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@@ -70,6 +70,7 @@
#define MT7915_CDEV_THROTTLE_MAX 99
#define MT7915_SKU_RATE_NUM 161
#define MT7915_SKU_PATH_NUM 185
#define MT7915_MAX_TWT_AGRT 16
#define MT7915_MAX_STA_TWT_AGRT 8
@@ -223,6 +224,9 @@ struct mt7915_phy {
struct mt76_mib_stats mib;
struct mt76_channel_state state_ts;
bool sku_limit_en:1;
bool sku_path_en:1;
#ifdef CONFIG_NL80211_TESTMODE
struct {
u32 *reg_backup;
@@ -491,9 +495,10 @@ int mt7915_mcu_set_mac(struct mt7915_dev *dev, int band, bool enable,
int mt7915_mcu_set_test_param(struct mt7915_dev *dev, u8 param, bool test_mode,
u8 en);
int mt7915_mcu_set_ser(struct mt7915_dev *dev, u8 action, u8 set, u8 band);
int mt7915_mcu_set_sku_en(struct mt7915_phy *phy, bool enable);
int mt7915_mcu_set_sku_en(struct mt7915_phy *phy);
int mt7915_mcu_set_txpower_sku(struct mt7915_phy *phy);
int mt7915_mcu_get_txpower_sku(struct mt7915_phy *phy, s8 *txpower, int len);
int mt7915_mcu_get_txpower_sku(struct mt7915_phy *phy, s8 *txpower, int len,
u8 category);
int mt7915_mcu_set_txpower_frame_min(struct mt7915_phy *phy, s8 txpower);
int mt7915_mcu_set_txpower_frame(struct mt7915_phy *phy,
struct ieee80211_vif *vif,