wifi: rtw89: add to display hardware rates v1 histogram in debugfs

The upcoming WiFi 7 chips support EHT rates, and hardware rate codes are
changed too, so modify to adapt the changes. (EHT counters are still zeros
in below example)

RX count:
   Legacy: [0, 0, 0, 0]
     OFDM: [0, 0, 0, 0, 0, 0, 0, 0]
     HT 0: [0, 0, 0, 0, 0, 0, 0, 0]
     HT 1: [0, 0, 0, 0, 0, 0, 0, 0]
  VHT 1SS: [0, 0, 0, 0, 0, 0, 0, 0, 0, 0][0, 0]
  VHT 2SS: [0, 0, 0, 0, 0, 0, 0, 0, 0, 0][0, 0]
   HE 1SS: [0, 0, 42, 0, 43, 90, 75, 0, 26, 20, 260, 7]
   HE 2SS: [0, 96, 232, 84, 125, 184, 52, 0, 0, 0, 0, 0]
  EHT 1SS: [0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0][0, 0]
  EHT 2SS: [0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0]
Signed-off-by: Ping-Ke Shih <pkshih@realtek.com>
Signed-off-by: Kalle Valo <kvalo@kernel.org>
Link: https://lore.kernel.org/r/20230728070252.66525-10-pkshih@realtek.com

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

@@ -584,6 +584,7 @@ enum rtw89_hw_rate {
 	RTW89_HW_RATE_V1_EHT_NSS4_MCS13	= 0x46D,
 
 	RTW89_HW_RATE_NR,
+	RTW89_HW_RATE_INVAL,
 
 	RTW89_HW_RATE_MASK_MOD = GENMASK(8, 7),
 	RTW89_HW_RATE_MASK_VAL = GENMASK(6, 0),

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

@@ -3325,20 +3325,26 @@ rtw89_debug_append_rx_rate(struct seq_file *m, struct rtw89_pkt_stat *pkt_stat,
 			   pkt_stat->rx_rate_cnt[first_rate + i]);
 }
 
+#define FIRST_RATE_SAME(rate) {RTW89_HW_RATE_ ## rate, RTW89_HW_RATE_ ## rate}
+#define FIRST_RATE_ENUM(rate) {RTW89_HW_RATE_ ## rate, RTW89_HW_RATE_V1_ ## rate}
+#define FIRST_RATE_GEV1(rate) {RTW89_HW_RATE_INVAL, RTW89_HW_RATE_V1_ ## rate}
+
 static const struct rtw89_rx_rate_cnt_info {
-	enum rtw89_hw_rate first_rate;
+	enum rtw89_hw_rate first_rate[RTW89_CHIP_GEN_NUM];
 	int len;
 	int ext;
 	const char *rate_mode;
 } rtw89_rx_rate_cnt_infos[] = {
-	{RTW89_HW_RATE_CCK1, 4, 0, "Legacy:"},
-	{RTW89_HW_RATE_OFDM6, 8, 0, "OFDM:"},
-	{RTW89_HW_RATE_MCS0, 8, 0, "HT 0:"},
-	{RTW89_HW_RATE_MCS8, 8, 0, "HT 1:"},
-	{RTW89_HW_RATE_VHT_NSS1_MCS0, 10, 2, "VHT 1SS:"},
-	{RTW89_HW_RATE_VHT_NSS2_MCS0, 10, 2, "VHT 2SS:"},
-	{RTW89_HW_RATE_HE_NSS1_MCS0, 12, 0, "HE 1SS:"},
-	{RTW89_HW_RATE_HE_NSS2_MCS0, 12, 0, "HE 2ss:"},
+	{FIRST_RATE_SAME(CCK1), 4, 0, "Legacy:"},
+	{FIRST_RATE_SAME(OFDM6), 8, 0, "OFDM:"},
+	{FIRST_RATE_ENUM(MCS0), 8, 0, "HT 0:"},
+	{FIRST_RATE_ENUM(MCS8), 8, 0, "HT 1:"},
+	{FIRST_RATE_ENUM(VHT_NSS1_MCS0), 10, 2, "VHT 1SS:"},
+	{FIRST_RATE_ENUM(VHT_NSS2_MCS0), 10, 2, "VHT 2SS:"},
+	{FIRST_RATE_ENUM(HE_NSS1_MCS0), 12, 0, "HE 1SS:"},
+	{FIRST_RATE_ENUM(HE_NSS2_MCS0), 12, 0, "HE 2SS:"},
+	{FIRST_RATE_GEV1(EHT_NSS1_MCS0), 14, 2, "EHT 1SS:"},
+	{FIRST_RATE_GEV1(EHT_NSS2_MCS0), 14, 0, "EHT 2SS:"},
 };
 
 static int rtw89_debug_priv_phy_info_get(struct seq_file *m, void *v)
@@ -3347,7 +3353,9 @@ static int rtw89_debug_priv_phy_info_get(struct seq_file *m, void *v)
 	struct rtw89_dev *rtwdev = debugfs_priv->rtwdev;
 	struct rtw89_traffic_stats *stats = &rtwdev->stats;
 	struct rtw89_pkt_stat *pkt_stat = &rtwdev->phystat.last_pkt_stat;
+	const struct rtw89_chip_info *chip = rtwdev->chip;
 	const struct rtw89_rx_rate_cnt_info *info;
+	enum rtw89_hw_rate first_rate;
 	int i;
 
 	seq_printf(m, "TP TX: %u [%u] Mbps (lv: %d), RX: %u [%u] Mbps (lv: %d)\n",
@@ -3359,15 +3367,20 @@ static int rtw89_debug_priv_phy_info_get(struct seq_file *m, void *v)
 		   stats->rx_avg_len);
 
 	seq_puts(m, "RX count:\n");
+
 	for (i = 0; i < ARRAY_SIZE(rtw89_rx_rate_cnt_infos); i++) {
 		info = &rtw89_rx_rate_cnt_infos[i];
+		first_rate = info->first_rate[chip->chip_gen];
+		if (first_rate >= RTW89_HW_RATE_NR)
+			continue;
+
 		seq_printf(m, "%10s [", info->rate_mode);
 		rtw89_debug_append_rx_rate(m, pkt_stat,
-					   info->first_rate, info->len);
+					   first_rate, info->len);
 		if (info->ext) {
 			seq_puts(m, "][");
 			rtw89_debug_append_rx_rate(m, pkt_stat,
-						   info->first_rate + info->len, info->ext);
+						   first_rate + info->len, info->ext);
 		}
 		seq_puts(m, "]\n");
 	}