rtw88: add HT MPDU density value for each chip

Each chip have best ampdu density value, the correct setting can improve
throughput performance.
Signed-off-by: Chih-Kang Chang <gary.chang@realtek.com>
Signed-off-by: Ping-Ke Shih <pkshih@realtek.com>
Signed-off-by: Kalle Valo <kvalo@kernel.org>
Link: https://lore.kernel.org/r/20220428020521.8015-1-pkshih@realtek.com

drivers/net/wireless/realtek/rtw88/main.c

@@ -1461,6 +1461,7 @@ static void rtw_init_ht_cap(struct rtw_dev *rtwdev,
 			    struct ieee80211_sta_ht_cap *ht_cap)
 {
 	struct rtw_efuse *efuse = &rtwdev->efuse;
+	struct rtw_chip_info *chip = rtwdev->chip;
 
 	ht_cap->ht_supported = true;
 	ht_cap->cap = 0;
@@ -1478,7 +1479,7 @@ static void rtw_init_ht_cap(struct rtw_dev *rtwdev,
 				IEEE80211_HT_CAP_DSSSCCK40 |
 				IEEE80211_HT_CAP_SGI_40;
 	ht_cap->ampdu_factor = IEEE80211_HT_MAX_AMPDU_64K;
-	ht_cap->ampdu_density = IEEE80211_HT_MPDU_DENSITY_16;
+	ht_cap->ampdu_density = chip->ampdu_density;
 	ht_cap->mcs.tx_params = IEEE80211_HT_MCS_TX_DEFINED;
 	if (efuse->hw_cap.nss > 1) {
 		ht_cap->mcs.rx_mask[0] = 0xFF;

drivers/net/wireless/realtek/rtw88/main.h

@@ -1179,6 +1179,7 @@ struct rtw_chip_info {
 	bool rx_ldpc;
 	bool tx_stbc;
 	u8 max_power_index;
+	u8 ampdu_density;
 
 	u16 fw_fifo_addr[RTW_FW_FIFO_MAX];
 	const struct rtw_fwcd_segs *fwcd_segs;

drivers/net/wireless/realtek/rtw88/rtw8723d.c

@@ -2747,6 +2747,7 @@ struct rtw_chip_info rtw8723d_hw_spec = {
 	.rx_ldpc = false,
 	.pwr_track_tbl = &rtw8723d_rtw_pwr_track_tbl,
 	.iqk_threshold = 8,
+	.ampdu_density = IEEE80211_HT_MPDU_DENSITY_16,
 
 	.coex_para_ver = 0x2007022f,
 	.bt_desired_ver = 0x2f,

drivers/net/wireless/realtek/rtw88/rtw8821c.c

@@ -1923,6 +1923,7 @@ struct rtw_chip_info rtw8821c_hw_spec = {
 	.iqk_threshold = 8,
 	.bfer_su_max_num = 2,
 	.bfer_mu_max_num = 1,
+	.ampdu_density = IEEE80211_HT_MPDU_DENSITY_2,
 
 	.coex_para_ver = 0x19092746,
 	.bt_desired_ver = 0x46,

drivers/net/wireless/realtek/rtw88/rtw8822b.c

@@ -2548,6 +2548,7 @@ struct rtw_chip_info rtw8822b_hw_spec = {
 	.edcca_th = rtw8822b_edcca_th,
 	.l2h_th_ini_cs = 10 + EDCCA_IGI_BASE,
 	.l2h_th_ini_ad = -14 + EDCCA_IGI_BASE,
+	.ampdu_density = IEEE80211_HT_MPDU_DENSITY_2,
 
 	.coex_para_ver = 0x20070206,
 	.bt_desired_ver = 0x6,

drivers/net/wireless/realtek/rtw88/rtw8822c.c

@@ -5368,6 +5368,7 @@ struct rtw_chip_info rtw8822c_hw_spec = {
 	.edcca_th = rtw8822c_edcca_th,
 	.l2h_th_ini_cs = 60,
 	.l2h_th_ini_ad = 45,
+	.ampdu_density = IEEE80211_HT_MPDU_DENSITY_2,
 
 #ifdef CONFIG_PM
 	.wow_fw_name = "rtw88/rtw8822c_wow_fw.bin",