[PATCH v2 mac80211-next 4/7] mt76: mt7915: introduce mt7915_mcu_twt_agrt_update mcu command

Lorenzo Bianconi
2021-08-09T17:29:08Z

This is a preliminary patch to add TWT support to mt7915

Tested-by: Peter Chiu <chui-hao.chiu@mediatek.com>
Signed-off-by: Lorenzo Bianconi <lorenzo@kernel.org>
---
.../net/wireless/mediatek/mt76/mt7915/mcu.c | 50 +++++++++++++++++++
.../net/wireless/mediatek/mt76/mt7915/mcu.h | 9 ++++
.../wireless/mediatek/mt76/mt7915/mt7915.h | 19 +++++++
3 files changed, 78 insertions(+)

diff --git a/drivers/net/wireless/mediatek/mt76/mt7915/mcu.c b/drivers/net/wireless/mediatek/mt76/mt7915/mcu.c
index f84c49969479..2266bc1c0de0 100644
--- a/drivers/net/wireless/mediatek/mt76/mt7915/mcu.c
+++ b/drivers/net/wireless/mediatek/mt76/mt7915/mcu.c
@@ -3904,3 +3904,53 @@ int mt7915_mcu_get_rx_rate(struct mt7915_phy *phy, struct ieee80211_vif *vif,

return ret;
}
+
+#define TWT_AGRT_TRIGGER BIT(0)
+#define TWT_AGRT_ANNOUNCE BIT(1)
+#define TWT_AGRT_PROTECT BIT(2)
+
+int mt7915_mcu_twt_agrt_update(struct mt7915_dev *dev,
+ struct mt7915_vif *mvif,
+ struct mt7915_twt_flow *flow,
+ int cmd)
+{
+ struct {
+ u8 tbl_idx;
+ u8 cmd;
+ u8 own_mac_idx;
+ u8 flowid; /* 0xff for group id */
+ __le16 peer_id; /* specify the peer_id (msb=0)
+ * or group_id (msb=1)
+ */
+ u8 duration; /* 256 us */
+ u8 bss_idx;
+ __le64 start_tsf;
+ __le16 mantissa;
+ u8 exponent;
+ u8 is_ap;
+ u8 agrt_params;
+ u8 rsv[23];
+ } __packed req = {
+ .tbl_idx = flow->id,
+ .cmd = cmd,
+ .own_mac_idx = mvif->omac_idx,
+ .flowid = flow->id,
+ .peer_id = cpu_to_le16(flow->wcid),
+ .duration = flow->duration,
+ .bss_idx = mvif->idx,
+ .start_tsf = cpu_to_le64(flow->tsf),
+ .mantissa = flow->mantissa,
+ .exponent = flow->exp,
+ .is_ap = true,
+ };
+
+ if (flow->protection)
+ req.agrt_params |= TWT_AGRT_PROTECT;
+ if (!flow->flowtype)
+ req.agrt_params |= TWT_AGRT_ANNOUNCE;
+ if (flow->trigger)
+ req.agrt_params |= TWT_AGRT_TRIGGER;
+
+ return mt76_mcu_send_msg(&dev->mt76, MCU_EXT_CMD(TWT_AGRT_UPDATE),
+ &req, sizeof(req), true);
+}
diff --git a/drivers/net/wireless/mediatek/mt76/mt7915/mcu.h b/drivers/net/wireless/mediatek/mt76/mt7915/mcu.h
index baa27dab0499..f4ba343b9413 100644
--- a/drivers/net/wireless/mediatek/mt76/mt7915/mcu.h
+++ b/drivers/net/wireless/mediatek/mt76/mt7915/mcu.h
@@ -276,6 +276,7 @@ enum {
MCU_EXT_CMD_MWDS_SUPPORT = 0x80,
MCU_EXT_CMD_SET_SER_TRIGGER = 0x81,
MCU_EXT_CMD_SCS_CTRL = 0x82,
+ MCU_EXT_CMD_TWT_AGRT_UPDATE = 0x94,
MCU_EXT_CMD_FW_DBG_CTRL = 0x95,
MCU_EXT_CMD_SET_RDD_TH = 0x9d,
MCU_EXT_CMD_SET_SPR = 0xa8,
@@ -284,6 +285,14 @@ enum {
MCU_EXT_CMD_PHY_STAT_INFO = 0xad,
};

+enum {
+ MCU_TWT_AGRT_ADD,
+ MCU_TWT_AGRT_MODIFY,
+ MCU_TWT_AGRT_DELETE,
+ MCU_TWT_AGRT_TEARDOWN,
+ MCU_TWT_AGRT_GET_TSF,
+};
+
enum {
MCU_WA_PARAM_CMD_QUERY,
MCU_WA_PARAM_CMD_SET,
diff --git a/drivers/net/wireless/mediatek/mt76/mt7915/mt7915.h b/drivers/net/wireless/mediatek/mt76/mt7915/mt7915.h
index 068ef0f881b8..ad97980275a3 100644
--- a/drivers/net/wireless/mediatek/mt76/mt7915/mt7915.h
+++ b/drivers/net/wireless/mediatek/mt76/mt7915/mt7915.h
@@ -67,6 +67,21 @@ struct mt7915_sta_key_conf {
u8 key[16];
};

+struct mt7915_twt_flow {
+ struct list_head list;
+ u64 start_tsf;
+ u64 tsf;
+ u32 duration;
+ u16 wcid;
+ __le16 mantissa;
+ u8 exp;
+ u8 id;
+ u8 protection:1;
+ u8 flowtype:1;
+ u8 trigger:1;
+ u8 sched:1;
+};
+
struct mt7915_sta {
struct mt76_wcid wcid; /* must be first */

@@ -284,6 +299,10 @@ int mt7915_dma_init(struct mt7915_dev *dev);
void mt7915_dma_prefetch(struct mt7915_dev *dev);
void mt7915_dma_cleanup(struct mt7915_dev *dev);
int mt7915_mcu_init(struct mt7915_dev *dev);
+int mt7915_mcu_twt_agrt_update(struct mt7915_dev *dev,
+ struct mt7915_vif *mvif,
+ struct mt7915_twt_flow *flow,
+ int cmd);
int mt7915_mcu_add_dev_info(struct mt7915_phy *phy,
struct ieee80211_vif *vif, bool enable);
int mt7915_mcu_add_bss_info(struct mt7915_phy *phy,
--
2.31.1