Commit ac83f380 authored by Po-Hao Huang's avatar Po-Hao Huang Committed by Kalle Valo
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wifi: rtw89: update statistics to FW for fine-tuning performance 



Since firmware can't have proper statistics, driver update the
statistics periodically to firmware to assist in tuning performance.

Signed-off-by: default avatarPo-Hao Huang <phhuang@realtek.com>
Signed-off-by: default avatarPing-Ke Shih <pkshih@realtek.com>
Signed-off-by: default avatarKalle Valo <kvalo@kernel.org>
Link: https://lore.kernel.org/r/20230415034900.15679-5-pkshih@realtek.com
parent 8b048bd5

drivers/net/wireless/realtek/rtw89/core.c

+3 −1
Original line number Diff line number Diff line
@@ -2494,8 +2494,10 @@ static bool rtw89_traffic_stats_track(struct rtw89_dev *rtwdev) 
	bool tfc_changed;



	tfc_changed = rtw89_traffic_stats_calc(rtwdev, &rtwdev->stats);

	rtw89_for_each_rtwvif(rtwdev, rtwvif)

	rtw89_for_each_rtwvif(rtwdev, rtwvif) {

		rtw89_traffic_stats_calc(rtwdev, &rtwvif->stats);

		rtw89_fw_h2c_tp_offload(rtwdev, rtwvif);

	}



	return tfc_changed;

}

drivers/net/wireless/realtek/rtw89/fw.c

+41 −0
Original line number Diff line number Diff line
@@ -1855,6 +1855,47 @@ int rtw89_fw_h2c_rssi_offload(struct rtw89_dev *rtwdev, 
	return ret;

}



int rtw89_fw_h2c_tp_offload(struct rtw89_dev *rtwdev, struct rtw89_vif *rtwvif)

{

	struct rtw89_traffic_stats *stats = &rtwvif->stats;

	struct rtw89_h2c_ofld *h2c;

	u32 len = sizeof(*h2c);

	struct sk_buff *skb;

	int ret;



	if (rtwvif->net_type != RTW89_NET_TYPE_INFRA)

		return -EINVAL;



	skb = rtw89_fw_h2c_alloc_skb_with_hdr(rtwdev, len);

	if (!skb) {

		rtw89_err(rtwdev, "failed to alloc skb for h2c tp\n");

		return -ENOMEM;

	}



	skb_put(skb, len);

	h2c = (struct rtw89_h2c_ofld *)skb->data;



	h2c->w0 = le32_encode_bits(rtwvif->mac_id, RTW89_H2C_OFLD_W0_MAC_ID) |

		  le32_encode_bits(stats->tx_throughput, RTW89_H2C_OFLD_W0_TX_TP) |

		  le32_encode_bits(stats->rx_throughput, RTW89_H2C_OFLD_W0_RX_TP);



	rtw89_h2c_pkt_set_hdr(rtwdev, skb, FWCMD_TYPE_H2C,

			      H2C_CAT_MAC, H2C_CL_MAC_FW_OFLD,

			      H2C_FUNC_OFLD_TP, 0, 1, len);



	ret = rtw89_h2c_tx(rtwdev, skb, false);

	if (ret) {

		rtw89_err(rtwdev, "failed to send h2c\n");

		goto fail;

	}



	return 0;

fail:

	dev_kfree_skb_any(skb);



	return ret;

}



#define H2C_RA_LEN 16

int rtw89_fw_h2c_ra(struct rtw89_dev *rtwdev, struct rtw89_ra_info *ra, bool csi)

{

drivers/net/wireless/realtek/rtw89/fw.h

+10 −0
Original line number Diff line number Diff line
@@ -3361,6 +3361,14 @@ struct rtw89_h2c_ofld_rssi { 
#define RTW89_H2C_OFLD_RSSI_W0_NUM GENMASK(15, 8)

#define RTW89_H2C_OFLD_RSSI_W1_VAL GENMASK(7, 0)



struct rtw89_h2c_ofld {

	__le32 w0;

} __packed;



#define RTW89_H2C_OFLD_W0_MAC_ID GENMASK(7, 0)

#define RTW89_H2C_OFLD_W0_TX_TP GENMASK(17, 8)

#define RTW89_H2C_OFLD_W0_RX_TP GENMASK(27, 18)



#define RTW89_FW_HDR_SIZE 32

#define RTW89_FW_SECTION_HDR_SIZE 16
@@ -3499,6 +3507,7 @@ struct rtw89_fw_h2c_rf_reg_info { 
#define H2C_FUNC_PKT_DROP		0x1b

#define H2C_FUNC_CFG_BCNFLTR		0x1e

#define H2C_FUNC_OFLD_RSSI		0x1f

#define H2C_FUNC_OFLD_TP		0x20



/* CLASS 10 - Security CAM */

#define H2C_CL_MAC_SEC_CAM		0xa
@@ -3605,6 +3614,7 @@ int rtw89_fw_h2c_set_bcn_fltr_cfg(struct rtw89_dev *rtwdev, 
				  bool connect);

int rtw89_fw_h2c_rssi_offload(struct rtw89_dev *rtwdev,

			      struct rtw89_rx_phy_ppdu *phy_ppdu);

int rtw89_fw_h2c_tp_offload(struct rtw89_dev *rtwdev, struct rtw89_vif *rtwvif);

int rtw89_fw_h2c_ra(struct rtw89_dev *rtwdev, struct rtw89_ra_info *ra, bool csi);

int rtw89_fw_h2c_cxdrv_init(struct rtw89_dev *rtwdev);

int rtw89_fw_h2c_cxdrv_role(struct rtw89_dev *rtwdev);