wifi: rtw89: fw: support scan offload v2 for WiFi 7 chips

The format of scan offload v2 is to extend fields to consider channel
noise as a factor to adjust dwell time of certain channels. Leave empty
for now to ignore this factor.

Signed-off-by: Ping-Ke Shih <pkshih@realtek.com>
Link: https://patch.msgid.link/20260525070735.27659-3-pkshih@realtek.com

3 files changed, 10 insertions, 2 deletions

diff --git a/drivers/net/wireless/realtek/rtw89/core.h b/drivers/net/wireless/realtek/rtw89/core.h
index 5547888d7e67..4bf6fe9d3880 100644
--- a/drivers/net/wireless/realtek/rtw89/core.h
+++ b/drivers/net/wireless/realtek/rtw89/core.h
@@ -4917,6 +4917,7 @@ enum rtw89_fw_feature {
 	RTW89_FW_FEATURE_BEACON_FILTER,
 	RTW89_FW_FEATURE_MACID_PAUSE_SLEEP,
 	RTW89_FW_FEATURE_SCAN_OFFLOAD_BE_V0,
+	RTW89_FW_FEATURE_SCAN_OFFLOAD_BE_V1,
 	RTW89_FW_FEATURE_WOW_REASON_V1,
 	RTW89_FW_FEATURE_GROUP(WITH_RFK_PRE_NOTIFY,
 			       RTW89_FW_FEATURE_RFK_PRE_NOTIFY_V0,
diff --git a/drivers/net/wireless/realtek/rtw89/fw.c b/drivers/net/wireless/realtek/rtw89/fw.c
index 41b48e0d73a3..3707dc5bf4f8 100644
--- a/drivers/net/wireless/realtek/rtw89/fw.c
+++ b/drivers/net/wireless/realtek/rtw89/fw.c
@@ -933,6 +933,7 @@ static const struct __fw_feat_cfg fw_feat_tbl[] = {
 	__CFG_FW_FEAT(RTL8922A, ge, 0, 35, 92, 0, TX_HISTORY_V1),
 	__CFG_FW_FEAT(RTL8922A, ge, 0, 35, 100, 0, SER_POST_RECOVER_DMAC),
 	__CFG_FW_FEAT(RTL8922A, ge, 0, 35, 108, 0, SIM_SER_L0L1_BY_HALT_H2C),
+	__CFG_FW_FEAT(RTL8922A, lt, 0, 35, 109, 1, SCAN_OFFLOAD_BE_V1),
 	__CFG_FW_FEAT(RTL8922D, ge, 0, 0, 0, 0, MACID_PAUSE_SLEEP),
 	__CFG_FW_FEAT(RTL8922D, ge, 0, 35, 75, 2, SCAN_OFFLOAD),
 	__CFG_FW_FEAT(RTL8922D, ge, 0, 35, 75, 2, BEACON_FILTER),
@@ -946,6 +947,7 @@ static const struct __fw_feat_cfg fw_feat_tbl[] = {
 	__CFG_FW_FEAT(RTL8922D, ge, 0, 35, 100, 0, SER_POST_RECOVER_DMAC),
 	__CFG_FW_FEAT(RTL8922D, ge, 0, 35, 104, 0, TX_HISTORY_V1),
 	__CFG_FW_FEAT(RTL8922D, ge, 0, 35, 108, 0, SIM_SER_L0L1_BY_HALT_H2C),
+	__CFG_FW_FEAT(RTL8922D, lt, 0, 35, 109, 1, SCAN_OFFLOAD_BE_V1),
 };
 
 static void rtw89_fw_iterate_feature_cfg(struct rtw89_fw_info *fw,
@@ -6842,7 +6844,10 @@ int rtw89_fw_h2c_scan_offload_be(struct rtw89_dev *rtwdev,
 
 	rtw89_scan_get_6g_disabled_chan(rtwdev, option);
 
-	if (RTW89_CHK_FW_FEATURE(SCAN_OFFLOAD_BE_V0, &rtwdev->fw)) {
+	if (RTW89_CHK_FW_FEATURE(SCAN_OFFLOAD_BE_V1, &rtwdev->fw)) {
+		cfg_len = offsetofend(typeof(*h2c), w9);
+		scan_offload_ver = 1;
+	} else if (RTW89_CHK_FW_FEATURE(SCAN_OFFLOAD_BE_V0, &rtwdev->fw)) {
 		cfg_len = offsetofend(typeof(*h2c), w8);
 		scan_offload_ver = 0;
 	}
@@ -6921,7 +6926,7 @@ int rtw89_fw_h2c_scan_offload_be(struct rtw89_dev *rtwdev,
 	if (scan_offload_ver == 0)
 		goto flex_member;
 
-	h2c->w9 = le32_encode_bits(sizeof(*h2c) / sizeof(h2c->w0),
+	h2c->w9 = le32_encode_bits(cfg_len / sizeof(h2c->w0),
 				   RTW89_H2C_SCANOFLD_BE_W9_SIZE_CFG) |
 		  le32_encode_bits(sizeof(*macc_role) / sizeof(macc_role->w0),
 				   RTW89_H2C_SCANOFLD_BE_W9_SIZE_MACC) |
diff --git a/drivers/net/wireless/realtek/rtw89/fw.h b/drivers/net/wireless/realtek/rtw89/fw.h
index 20721d5209aa..6cb99144e541 100644
--- a/drivers/net/wireless/realtek/rtw89/fw.h
+++ b/drivers/net/wireless/realtek/rtw89/fw.h
@@ -3063,6 +3063,8 @@ struct rtw89_h2c_scanofld_be {
 	__le32 w7;
 	__le32 w8;
 	__le32 w9; /* Added after SCAN_OFFLOAD_BE_V1 */
+	__le32 w10; /* Added after SCAN_OFFLOAD_BE_V2 */
+	__le32 w11; /* Added after SCAN_OFFLOAD_BE_V2 */
 	/* struct rtw89_h2c_scanofld_be_macc_role (flexible number) */
 	/* struct rtw89_h2c_scanofld_be_opch (flexible number) */
 } __packed;