diff options
| author | Felix Fietkau <nbd@nbd.name> | 2021-01-06 10:43:03 +0100 |
|---|---|---|
| committer | Felix Fietkau <nbd@nbd.name> | 2021-01-26 20:07:50 +0100 |
| commit | f1fd2cae2e484d27f435064781cc5cbd230b6934 (patch) | |
| tree | fe10bd3c44641f39795637e27d9a430b55a68fa9 /drivers/net/wireless | |
| parent | c203dd621780842f7aff5fa10956dface8b6dc16 (diff) | |
mt76: mt7915: disable RED support in the WA firmware
It causes high CPU load on the WA core, which can lead to extra latency when
using many stations. Dropping packets for long queues is managed by mac80211
fq_codel instead
Signed-off-by: Felix Fietkau <nbd@nbd.name>
Diffstat (limited to 'drivers/net/wireless')
| -rw-r--r-- | drivers/net/wireless/mediatek/mt76/mt7915/mcu.c | 17 | ||||
| -rw-r--r-- | drivers/net/wireless/mediatek/mt76/mt7915/mcu.h | 15 |
2 files changed, 32 insertions, 0 deletions
diff --git a/drivers/net/wireless/mediatek/mt76/mt7915/mcu.c b/drivers/net/wireless/mediatek/mt76/mt7915/mcu.c index 59a5ef2a0139..44cef96db476 100644 --- a/drivers/net/wireless/mediatek/mt76/mt7915/mcu.c +++ b/drivers/net/wireless/mediatek/mt76/mt7915/mcu.c @@ -314,6 +314,22 @@ exit: } static void +mt7915_mcu_wa_cmd(struct mt7915_dev *dev, int cmd, u32 a1, u32 a2, u32 a3) +{ + struct { + __le32 args[3]; + } req = { + .args = { + cpu_to_le32(a1), + cpu_to_le32(a2), + cpu_to_le32(a3), + }, + }; + + mt76_mcu_send_msg(&dev->mt76, cmd, &req, sizeof(req), true); +} + +static void mt7915_mcu_csa_finish(void *priv, u8 *mac, struct ieee80211_vif *vif) { if (vif->csa_active) @@ -2831,6 +2847,7 @@ int mt7915_mcu_init(struct mt7915_dev *dev) set_bit(MT76_STATE_MCU_RUNNING, &dev->mphy.state); mt7915_mcu_fw_log_2_host(dev, 0); mt7915_mcu_set_mwds(dev, 1); + mt7915_mcu_wa_cmd(dev, MCU_WA_PARAM_CMD(SET), MCU_WA_PARAM_RED, 0, 0); return 0; } diff --git a/drivers/net/wireless/mediatek/mt76/mt7915/mcu.h b/drivers/net/wireless/mediatek/mt76/mt7915/mcu.h index bd136ca29d0d..2d584142c27b 100644 --- a/drivers/net/wireless/mediatek/mt76/mt7915/mcu.h +++ b/drivers/net/wireless/mediatek/mt76/mt7915/mcu.h @@ -239,6 +239,7 @@ enum { MCU_CMD_PATCH_START_REQ = 0x05, MCU_CMD_PATCH_FINISH_REQ = 0x07, MCU_CMD_PATCH_SEM_CONTROL = 0x10, + MCU_CMD_WA_PARAM = 0xC4, MCU_CMD_EXT_CID = 0xED, MCU_CMD_FW_SCATTER = 0xEE, MCU_CMD_RESTART_DL_REQ = 0xEF, @@ -277,6 +278,17 @@ enum { MCU_EXT_CMD_PHY_STAT_INFO = 0xad, }; +enum { + MCU_WA_PARAM_CMD_QUERY, + MCU_WA_PARAM_CMD_SET, + MCU_WA_PARAM_CMD_CAPABILITY, + MCU_WA_PARAM_CMD_DEBUG, +}; + +enum { + MCU_WA_PARAM_RED = 0x0e, +}; + #define MCU_CMD(_t) FIELD_PREP(__MCU_CMD_FIELD_ID, MCU_CMD_##_t) #define MCU_EXT_CMD(_t) (MCU_CMD(EXT_CID) | \ FIELD_PREP(__MCU_CMD_FIELD_EXT_ID, \ @@ -285,6 +297,9 @@ enum { #define MCU_WA_CMD(_t) (MCU_CMD(_t) | __MCU_CMD_FIELD_WA) #define MCU_WA_EXT_CMD(_t) (MCU_EXT_CMD(_t) | __MCU_CMD_FIELD_WA) +#define MCU_WA_PARAM_CMD(_t) (MCU_WA_CMD(WA_PARAM) | \ + FIELD_PREP(__MCU_CMD_FIELD_EXT_ID, \ + MCU_WA_PARAM_CMD_##_t)) enum { PATCH_SEM_RELEASE, |