From dedf78efd2885048ca36bc17fbd4e1c0af33f2ad Mon Sep 17 00:00:00 2001 From: Ping-Ke Shih Date: Sun, 4 Feb 2024 09:26:24 +0800 Subject: [PATCH] wifi: rtw89: fw: consider checksum length of security data The newer firmware file provides security data with checksum, so we need to consider the length. Otherwise it will fail to validate total firmware length resulting in failed to probe. Signed-off-by: Ping-Ke Shih Signed-off-by: Kalle Valo Link: https://msgid.link/20240204012627.9647-2-pkshih@realtek.com --- drivers/net/wireless/realtek/rtw89/fw.c | 3 +++ drivers/net/wireless/realtek/rtw89/fw.h | 3 +++ 2 files changed, 6 insertions(+) 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)