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Re: [PATCH 1/7] mt76: mt7615: simplify mcu_set_bmc flow

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> Move mcu_wtbl_bmc into mcu_set_sta_rec_bmc to simplify flow.
> 
> Signed-off-by: Ryder Lee <ryder.lee@xxxxxxxxxxxx>
> ---
>  .../net/wireless/mediatek/mt76/mt7615/main.c  |  3 +-
>  .../net/wireless/mediatek/mt76/mt7615/mcu.c   | 97 ++++++++-----------
>  .../wireless/mediatek/mt76/mt7615/mt7615.h    |  6 +-
>  3 files changed, 45 insertions(+), 61 deletions(-)
> 

[...]

> -int mt7615_mcu_set_sta_rec_bmc(struct mt7615_dev *dev,
> -			       struct ieee80211_vif *vif, bool en)
> +int mt7615_mcu_set_bmc(struct mt7615_dev *dev,
> +		       struct ieee80211_vif *vif, bool en)
>  {
>  	struct mt7615_vif *mvif = (struct mt7615_vif *)vif->drv_priv;
>  	struct {
>  		struct sta_req_hdr hdr;
>  		struct sta_rec_basic basic;
> -	} req = {
> +		u8 buf[MT7615_WTBL_UPDATE_MAX_SIZE];
> +	} __packed req = {
>  		.hdr = {
>  			.bss_idx = mvif->idx,
>  			.wlan_idx = mvif->sta.wcid.idx,
> @@ -1109,8 +1059,18 @@ int mt7615_mcu_set_sta_rec_bmc(struct mt7615_dev *dev,
>  			.conn_type = cpu_to_le32(CONNECTION_INFRA_BC),
>  		},
>  	};
> +	struct wtbl_req_hdr *wtbl_hdr;
> +	struct wtbl_generic *wtbl_g;
> +	struct wtbl_rx *wtbl_rx;
> +	u8 *buf = req.buf;
> +
>  	eth_broadcast_addr(req.basic.peer_addr);
>  
> +	wtbl_hdr = (struct wtbl_req_hdr *)buf;
> +	buf += sizeof(*wtbl_hdr);
> +	wtbl_hdr->wlan_idx = mvif->sta.wcid.idx;
> +	wtbl_hdr->operation = WTBL_RESET_AND_SET;
> +
>  	if (en) {
>  		req.basic.conn_state = CONN_STATE_PORT_SECURE;
>  		req.basic.extra_info = cpu_to_le16(EXTRA_INFO_VER |
> @@ -1118,10 +1078,37 @@ int mt7615_mcu_set_sta_rec_bmc(struct mt7615_dev *dev,
>  	} else {
>  		req.basic.conn_state = CONN_STATE_DISCONNECT;
>  		req.basic.extra_info = cpu_to_le16(EXTRA_INFO_VER);
> +
> +		__mt76_mcu_send_msg(&dev->mt76, MCU_EXT_CMD_STA_REC_UPDATE,
> +				    &req, (u8 *)wtbl_hdr - (u8 *)&req, true);

we need to check the return value from __mt76_mcu_send_msg here.
Moreover, here (u8 *)wtbl_hdr - (u8 *)&req is
sizeof(struct sta_req_hdr) + sizeof(struct sta_rec_basic), right?
I guess it would be easier to understand if we explicit the length, what do you think?

> +
> +		return __mt76_mcu_send_msg(&dev->mt76, MCU_EXT_CMD_WTBL_UPDATE,
> +					   (u8 *)wtbl_hdr, buf - (u8 *)wtbl_hdr,
> +					   true);
>  	}
>  
> +	wtbl_g = (struct wtbl_generic *)buf;
> +	buf += sizeof(*wtbl_g);
> +	wtbl_g->tag = cpu_to_le16(WTBL_GENERIC);
> +	wtbl_g->len = cpu_to_le16(sizeof(*wtbl_g));
> +	wtbl_g->muar_idx = 0xe;
> +	eth_broadcast_addr(wtbl_g->peer_addr);
> +
> +	wtbl_rx = (struct wtbl_rx *)buf;
> +	buf += sizeof(*wtbl_rx);
> +	wtbl_rx->tag = cpu_to_le16(WTBL_RX);
> +	wtbl_rx->len = cpu_to_le16(sizeof(*wtbl_rx));
> +	wtbl_rx->rv = 1;
> +	wtbl_rx->rca1 = 1;
> +	wtbl_rx->rca2 = 1;
> +
> +	wtbl_hdr->tlv_num = cpu_to_le16(2);
> +
> +	__mt76_mcu_send_msg(&dev->mt76, MCU_EXT_CMD_WTBL_UPDATE,
> +			    (u8 *)wtbl_hdr, buf - (u8 *)wtbl_hdr, true);

we need to check the return value from __mt76_mcu_send_msg here
> +
>  	return __mt76_mcu_send_msg(&dev->mt76, MCU_EXT_CMD_STA_REC_UPDATE,
> -				   &req, sizeof(req), true);
> +				   &req, (u8 *)wtbl_hdr - (u8 *)&req, true);

same here about the length.

Regards,
Lorenzo

>  }
>  
>  int mt7615_mcu_set_sta_rec(struct mt7615_dev *dev, struct ieee80211_vif *vif,
> diff --git a/drivers/net/wireless/mediatek/mt76/mt7615/mt7615.h b/drivers/net/wireless/mediatek/mt76/mt7615/mt7615.h
> index eaafae9cc279..84949256601f 100644
> --- a/drivers/net/wireless/mediatek/mt76/mt7615/mt7615.h
> +++ b/drivers/net/wireless/mediatek/mt76/mt7615/mt7615.h
> @@ -241,14 +241,12 @@ int mt7615_mcu_set_bss_info(struct mt7615_dev *dev, struct ieee80211_vif *vif,
>  void mt7615_mac_set_rates(struct mt7615_phy *phy, struct mt7615_sta *sta,
>  			  struct ieee80211_tx_rate *probe_rate,
>  			  struct ieee80211_tx_rate *rates);
> -int mt7615_mcu_wtbl_bmc(struct mt7615_dev *dev, struct ieee80211_vif *vif,
> -			bool enable);
>  int mt7615_mcu_add_wtbl(struct mt7615_dev *dev, struct ieee80211_vif *vif,
>  			struct ieee80211_sta *sta);
>  int mt7615_mcu_del_wtbl(struct mt7615_dev *dev, struct ieee80211_sta *sta);
>  int mt7615_mcu_del_wtbl_all(struct mt7615_dev *dev);
> -int mt7615_mcu_set_sta_rec_bmc(struct mt7615_dev *dev,
> -			       struct ieee80211_vif *vif, bool en);
> +int mt7615_mcu_set_bmc(struct mt7615_dev *dev, struct ieee80211_vif *vif,
> +		       bool en);
>  int mt7615_mcu_set_sta_rec(struct mt7615_dev *dev, struct ieee80211_vif *vif,
>  			   struct ieee80211_sta *sta, bool en);
>  int mt7615_mcu_set_bcn(struct ieee80211_hw *hw, struct ieee80211_vif *vif,
> -- 
> 2.18.0

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