diff --git a/drivers/net/wireless/realtek/rtw89/fw.c b/drivers/net/wireless/realtek/rtw89/fw.c
index c3f0a79f3de45..4a2081131c3ee 100644
--- a/drivers/net/wireless/realtek/rtw89/fw.c
+++ b/drivers/net/wireless/realtek/rtw89/fw.c
@@ -177,6 +177,7 @@ static int rtw89_fw_hdr_parser_v1(struct rtw89_dev *rtwdev, const u8 *fw, u32 le
 	u32 i;
 
 	info->section_num = le32_get_bits(fw_hdr->w6, FW_HDR_V1_W6_SEC_NUM);
+	info->dsp_checksum = le32_get_bits(fw_hdr->w6, FW_HDR_V1_W6_DSP_CHKSUM);
 	base_hdr_len = struct_size(fw_hdr, sections, info->section_num);
 	info->dynamic_hdr_en = le32_get_bits(fw_hdr->w7, FW_HDR_V1_W7_DYN_HDR);
 
@@ -205,6 +206,8 @@ static int rtw89_fw_hdr_parser_v1(struct rtw89_dev *rtwdev, const u8 *fw, u32 le
 			section_info->mssc =
 				le32_get_bits(section->w2, FWSECTION_HDR_V1_W2_MSSC);
 			mssc_len += section_info->mssc * FWDL_SECURITY_SIGLEN;
+			if (info->dsp_checksum)
+				mssc_len += section_info->mssc * FWDL_SECURITY_CHKSUM_LEN;
 		} else {
 			section_info->mssc = 0;
 		}
diff --git a/drivers/net/wireless/realtek/rtw89/fw.h b/drivers/net/wireless/realtek/rtw89/fw.h
index 02a7c7b2c8be7..b12f93e39d1e9 100644
--- a/drivers/net/wireless/realtek/rtw89/fw.h
+++ b/drivers/net/wireless/realtek/rtw89/fw.h
@@ -237,6 +237,7 @@ struct rtw89_fw_bin_info {
 	u32 hdr_len;
 	bool dynamic_hdr_en;
 	u32 dynamic_hdr_len;
+	bool dsp_checksum;
 	struct rtw89_fw_hdr_section_info section_info[FWDL_SECTION_MAX_NUM];
 };
 
@@ -466,6 +467,7 @@ static inline void RTW89_SET_EDCA_PARAM(void *cmd, u32 val)
 
 #define FWDL_SECURITY_SECTION_TYPE 9
 #define FWDL_SECURITY_SIGLEN 512
+#define FWDL_SECURITY_CHKSUM_LEN 8
 
 struct rtw89_fw_dynhdr_sec {
 	__le32 w0;
@@ -568,6 +570,7 @@ struct rtw89_fw_hdr_v1 {
 #define FW_HDR_V1_W5_YEAR GENMASK(15, 0)
 #define FW_HDR_V1_W5_HDR_SIZE GENMASK(31, 16)
 #define FW_HDR_V1_W6_SEC_NUM GENMASK(15, 8)
+#define FW_HDR_V1_W6_DSP_CHKSUM BIT(24)
 #define FW_HDR_V1_W7_DYN_HDR BIT(16)
 
 static inline void SET_FW_HDR_PART_SIZE(void *fwhdr, u32 val)