diff --git a/drivers/net/wireless/realtek/rtw89/fw.c b/drivers/net/wireless/realtek/rtw89/fw.c index a57d075db74a..d8bcc51242ff 100644 --- a/drivers/net/wireless/realtek/rtw89/fw.c +++ b/drivers/net/wireless/realtek/rtw89/fw.c @@ -86,8 +86,8 @@ int rtw89_fw_check_rdy(struct rtw89_dev *rtwdev) return 0; } -static int rtw89_fw_hdr_parser(struct rtw89_dev *rtwdev, const u8 *fw, u32 len, - struct rtw89_fw_bin_info *info) +static int rtw89_fw_hdr_parser_v0(struct rtw89_dev *rtwdev, const u8 *fw, u32 len, + struct rtw89_fw_bin_info *info) { const struct rtw89_fw_hdr *fw_hdr = (const struct rtw89_fw_hdr *)fw; struct rtw89_fw_hdr_section_info *section_info; @@ -154,6 +154,94 @@ static int rtw89_fw_hdr_parser(struct rtw89_dev *rtwdev, const u8 *fw, u32 len, return 0; } +static int rtw89_fw_hdr_parser_v1(struct rtw89_dev *rtwdev, const u8 *fw, u32 len, + struct rtw89_fw_bin_info *info) +{ + const struct rtw89_fw_hdr_v1 *fw_hdr = (const struct rtw89_fw_hdr_v1 *)fw; + struct rtw89_fw_hdr_section_info *section_info; + const struct rtw89_fw_dynhdr_hdr *fwdynhdr; + const struct rtw89_fw_hdr_section_v1 *section; + const u8 *fw_end = fw + len; + const u8 *bin; + u32 base_hdr_len; + u32 mssc_len = 0; + u32 i; + + info->section_num = le32_get_bits(fw_hdr->w6, FW_HDR_V1_W6_SEC_NUM); + 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); + + if (info->dynamic_hdr_en) { + info->hdr_len = le32_get_bits(fw_hdr->w5, FW_HDR_V1_W5_HDR_SIZE); + info->dynamic_hdr_len = info->hdr_len - base_hdr_len; + fwdynhdr = (const struct rtw89_fw_dynhdr_hdr *)(fw + base_hdr_len); + if (le32_to_cpu(fwdynhdr->hdr_len) != info->dynamic_hdr_len) { + rtw89_err(rtwdev, "[ERR]invalid fw dynamic header len\n"); + return -EINVAL; + } + } else { + info->hdr_len = base_hdr_len; + info->dynamic_hdr_len = 0; + } + + bin = fw + info->hdr_len; + + /* jump to section header */ + section_info = info->section_info; + for (i = 0; i < info->section_num; i++) { + section = &fw_hdr->sections[i]; + section_info->type = + le32_get_bits(section->w1, FWSECTION_HDR_V1_W1_SECTIONTYPE); + if (section_info->type == FWDL_SECURITY_SECTION_TYPE) { + section_info->mssc = + le32_get_bits(section->w2, FWSECTION_HDR_V1_W2_MSSC); + mssc_len += section_info->mssc * FWDL_SECURITY_SIGLEN; + } else { + section_info->mssc = 0; + } + + section_info->len = + le32_get_bits(section->w1, FWSECTION_HDR_V1_W1_SEC_SIZE); + if (le32_get_bits(section->w1, FWSECTION_HDR_V1_W1_CHECKSUM)) + section_info->len += FWDL_SECTION_CHKSUM_LEN; + section_info->redl = le32_get_bits(section->w1, FWSECTION_HDR_V1_W1_REDL); + section_info->dladdr = + le32_get_bits(section->w0, FWSECTION_HDR_V1_W0_DL_ADDR); + section_info->addr = bin; + bin += section_info->len; + section_info++; + } + + if (fw_end != bin + mssc_len) { + rtw89_err(rtwdev, "[ERR]fw bin size\n"); + return -EINVAL; + } + + return 0; +} + +static int rtw89_fw_hdr_parser(struct rtw89_dev *rtwdev, + const struct rtw89_fw_suit *fw_suit, + struct rtw89_fw_bin_info *info) +{ + const u8 *fw = fw_suit->data; + u32 len = fw_suit->size; + + if (!fw || !len) { + rtw89_err(rtwdev, "fw type %d isn't recognized\n", fw_suit->type); + return -ENOENT; + } + + switch (fw_suit->hdr_ver) { + case 0: + return rtw89_fw_hdr_parser_v0(rtwdev, fw, len, info); + case 1: + return rtw89_fw_hdr_parser_v1(rtwdev, fw, len, info); + default: + return -ENOENT; + } +} + static int rtw89_mfw_recognize(struct rtw89_dev *rtwdev, enum rtw89_fw_type type, struct rtw89_fw_suit *fw_suit, bool nowarn) @@ -621,8 +709,6 @@ int rtw89_fw_download(struct rtw89_dev *rtwdev, enum rtw89_fw_type type) struct rtw89_fw_info *fw_info = &rtwdev->fw; struct rtw89_fw_suit *fw_suit = rtw89_fw_suit_get(rtwdev, type); struct rtw89_fw_bin_info info; - const u8 *fw = fw_suit->data; - u32 len = fw_suit->size; u8 val; int ret; @@ -631,12 +717,7 @@ int rtw89_fw_download(struct rtw89_dev *rtwdev, enum rtw89_fw_type type) if (ret) return ret; - if (!fw || !len) { - rtw89_err(rtwdev, "fw type %d isn't recognized\n", type); - return -ENOENT; - } - - ret = rtw89_fw_hdr_parser(rtwdev, fw, len, &info); + ret = rtw89_fw_hdr_parser(rtwdev, fw_suit, &info); if (ret) { rtw89_err(rtwdev, "parse fw header fail\n"); goto fwdl_err; @@ -650,13 +731,14 @@ int rtw89_fw_download(struct rtw89_dev *rtwdev, enum rtw89_fw_type type) goto fwdl_err; } - ret = rtw89_fw_download_hdr(rtwdev, fw, info.hdr_len - info.dynamic_hdr_len); + ret = rtw89_fw_download_hdr(rtwdev, fw_suit->data, info.hdr_len - + info.dynamic_hdr_len); if (ret) { ret = -EBUSY; goto fwdl_err; } - ret = rtw89_fw_download_main(rtwdev, fw, &info); + ret = rtw89_fw_download_main(rtwdev, fw_suit->data, &info); if (ret) { ret = -EBUSY; goto fwdl_err; diff --git a/drivers/net/wireless/realtek/rtw89/fw.h b/drivers/net/wireless/realtek/rtw89/fw.h index 366645bcead5..8961958009dd 100644 --- a/drivers/net/wireless/realtek/rtw89/fw.h +++ b/drivers/net/wireless/realtek/rtw89/fw.h @@ -475,6 +475,22 @@ struct rtw89_fw_hdr { #define FW_HDR_W7_DYN_HDR BIT(16) #define FW_HDR_W7_CMD_VERSERION GENMASK(31, 24) +struct rtw89_fw_hdr_section_v1 { + __le32 w0; + __le32 w1; + __le32 w2; + __le32 w3; +} __packed; + +#define FWSECTION_HDR_V1_W0_DL_ADDR GENMASK(31, 0) +#define FWSECTION_HDR_V1_W1_METADATA GENMASK(31, 24) +#define FWSECTION_HDR_V1_W1_SECTIONTYPE GENMASK(27, 24) +#define FWSECTION_HDR_V1_W1_SEC_SIZE GENMASK(23, 0) +#define FWSECTION_HDR_V1_W1_CHECKSUM BIT(28) +#define FWSECTION_HDR_V1_W1_REDL BIT(29) +#define FWSECTION_HDR_V1_W2_MSSC GENMASK(7, 0) +#define FWSECTION_HDR_V1_W2_BBMCU_IDX GENMASK(27, 24) + struct rtw89_fw_hdr_v1 { __le32 w0; __le32 w1; @@ -488,6 +504,7 @@ struct rtw89_fw_hdr_v1 { __le32 w9; __le32 w10; __le32 w11; + struct rtw89_fw_hdr_section_v1 sections[]; } __packed; #define FW_HDR_V1_W1_MAJOR_VERSION GENMASK(7, 0)