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fw.c
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fw.c
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// SPDX-License-Identifier: GPL-2.0 OR BSD-3-Clause
/* Copyright(c) 2019-2020 Realtek Corporation
*/
#include <linux/if_arp.h>
#include "cam.h"
#include "chan.h"
#include "coex.h"
#include "debug.h"
#include "fw.h"
#include "mac.h"
#include "phy.h"
#include "ps.h"
#include "reg.h"
#include "util.h"
struct rtw89_eapol_2_of_2 {
struct ieee80211_hdr_3addr hdr;
u8 gtkbody[14];
u8 key_des_ver;
u8 rsvd[92];
} __packed __aligned(2);
struct rtw89_sa_query {
struct ieee80211_hdr_3addr hdr;
u8 category;
u8 action;
} __packed __aligned(2);
struct rtw89_arp_rsp {
struct ieee80211_hdr_3addr addr;
u8 llc_hdr[sizeof(rfc1042_header)];
__be16 llc_type;
struct arphdr arp_hdr;
u8 sender_hw[ETH_ALEN];
__be32 sender_ip;
u8 target_hw[ETH_ALEN];
__be32 target_ip;
} __packed __aligned(2);
static const u8 mss_signature[] = {0x4D, 0x53, 0x53, 0x4B, 0x50, 0x4F, 0x4F, 0x4C};
union rtw89_fw_element_arg {
size_t offset;
enum rtw89_rf_path rf_path;
enum rtw89_fw_type fw_type;
};
struct rtw89_fw_element_handler {
int (*fn)(struct rtw89_dev *rtwdev,
const struct rtw89_fw_element_hdr *elm,
const union rtw89_fw_element_arg arg);
const union rtw89_fw_element_arg arg;
const char *name;
};
static void rtw89_fw_c2h_cmd_handle(struct rtw89_dev *rtwdev,
struct sk_buff *skb);
static int rtw89_h2c_tx_and_wait(struct rtw89_dev *rtwdev, struct sk_buff *skb,
struct rtw89_wait_info *wait, unsigned int cond);
static struct sk_buff *rtw89_fw_h2c_alloc_skb(struct rtw89_dev *rtwdev, u32 len,
bool header)
{
struct sk_buff *skb;
u32 header_len = 0;
u32 h2c_desc_size = rtwdev->chip->h2c_desc_size;
if (header)
header_len = H2C_HEADER_LEN;
skb = dev_alloc_skb(len + header_len + h2c_desc_size);
if (!skb)
return NULL;
skb_reserve(skb, header_len + h2c_desc_size);
memset(skb->data, 0, len);
return skb;
}
struct sk_buff *rtw89_fw_h2c_alloc_skb_with_hdr(struct rtw89_dev *rtwdev, u32 len)
{
return rtw89_fw_h2c_alloc_skb(rtwdev, len, true);
}
struct sk_buff *rtw89_fw_h2c_alloc_skb_no_hdr(struct rtw89_dev *rtwdev, u32 len)
{
return rtw89_fw_h2c_alloc_skb(rtwdev, len, false);
}
int rtw89_fw_check_rdy(struct rtw89_dev *rtwdev, enum rtw89_fwdl_check_type type)
{
const struct rtw89_mac_gen_def *mac = rtwdev->chip->mac_def;
u8 val;
int ret;
ret = read_poll_timeout_atomic(mac->fwdl_get_status, val,
val == RTW89_FWDL_WCPU_FW_INIT_RDY,
1, FWDL_WAIT_CNT, false, rtwdev, type);
if (ret) {
switch (val) {
case RTW89_FWDL_CHECKSUM_FAIL:
rtw89_err(rtwdev, "fw checksum fail\n");
return -EINVAL;
case RTW89_FWDL_SECURITY_FAIL:
rtw89_err(rtwdev, "fw security fail\n");
return -EINVAL;
case RTW89_FWDL_CV_NOT_MATCH:
rtw89_err(rtwdev, "fw cv not match\n");
return -EINVAL;
default:
rtw89_err(rtwdev, "fw unexpected status %d\n", val);
return -EBUSY;
}
}
set_bit(RTW89_FLAG_FW_RDY, rtwdev->flags);
return 0;
}
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;
const struct rtw89_fw_dynhdr_hdr *fwdynhdr;
const struct rtw89_fw_hdr_section *section;
const u8 *fw_end = fw + len;
const u8 *bin;
u32 base_hdr_len;
u32 mssc_len = 0;
u32 i;
if (!info)
return -EINVAL;
info->section_num = le32_get_bits(fw_hdr->w6, FW_HDR_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_W7_DYN_HDR);
if (info->dynamic_hdr_en) {
info->hdr_len = le32_get_bits(fw_hdr->w3, FW_HDR_W3_LEN);
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_W1_SECTIONTYPE);
if (section_info->type == FWDL_SECURITY_SECTION_TYPE) {
section_info->mssc =
le32_get_bits(section->w2, FWSECTION_HDR_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_W1_SEC_SIZE);
if (le32_get_bits(section->w1, FWSECTION_HDR_W1_CHECKSUM))
section_info->len += FWDL_SECTION_CHKSUM_LEN;
section_info->redl = le32_get_bits(section->w1, FWSECTION_HDR_W1_REDL);
section_info->dladdr =
le32_get_bits(section->w0, FWSECTION_HDR_W0_DL_ADDR) & 0x1fffffff;
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 __get_mssc_key_idx(struct rtw89_dev *rtwdev,
const struct rtw89_fw_mss_pool_hdr *mss_hdr,
u32 rmp_tbl_size, u32 *key_idx)
{
struct rtw89_fw_secure *sec = &rtwdev->fw.sec;
u32 sel_byte_idx;
u32 mss_sel_idx;
u8 sel_bit_idx;
int i;
if (sec->mss_dev_type == RTW89_FW_MSS_DEV_TYPE_FWSEC_DEF) {
if (!mss_hdr->defen)
return -ENOENT;
mss_sel_idx = sec->mss_cust_idx * le16_to_cpu(mss_hdr->msskey_num_max) +
sec->mss_key_num;
} else {
if (mss_hdr->defen)
mss_sel_idx = FWDL_MSS_POOL_DEFKEYSETS_SIZE << 3;
else
mss_sel_idx = 0;
mss_sel_idx += sec->mss_dev_type * le16_to_cpu(mss_hdr->msskey_num_max) *
le16_to_cpu(mss_hdr->msscust_max) +
sec->mss_cust_idx * le16_to_cpu(mss_hdr->msskey_num_max) +
sec->mss_key_num;
}
sel_byte_idx = mss_sel_idx >> 3;
sel_bit_idx = mss_sel_idx & 0x7;
if (sel_byte_idx >= rmp_tbl_size)
return -EFAULT;
if (!(mss_hdr->rmp_tbl[sel_byte_idx] & BIT(sel_bit_idx)))
return -ENOENT;
*key_idx = hweight8(mss_hdr->rmp_tbl[sel_byte_idx] & (BIT(sel_bit_idx) - 1));
for (i = 0; i < sel_byte_idx; i++)
*key_idx += hweight8(mss_hdr->rmp_tbl[i]);
return 0;
}
static int __parse_formatted_mssc(struct rtw89_dev *rtwdev,
struct rtw89_fw_bin_info *info,
struct rtw89_fw_hdr_section_info *section_info,
const struct rtw89_fw_hdr_section_v1 *section,
const void *content,
u32 *mssc_len)
{
const struct rtw89_fw_mss_pool_hdr *mss_hdr = content + section_info->len;
const union rtw89_fw_section_mssc_content *section_content = content;
struct rtw89_fw_secure *sec = &rtwdev->fw.sec;
u32 rmp_tbl_size;
u32 key_sign_len;
u32 real_key_idx;
u32 sb_sel_ver;
int ret;
if (memcmp(mss_signature, mss_hdr->signature, sizeof(mss_signature)) != 0) {
rtw89_err(rtwdev, "[ERR] wrong MSS signature\n");
return -ENOENT;
}
if (mss_hdr->rmpfmt == MSS_POOL_RMP_TBL_BITMASK) {
rmp_tbl_size = (le16_to_cpu(mss_hdr->msskey_num_max) *
le16_to_cpu(mss_hdr->msscust_max) *
mss_hdr->mssdev_max) >> 3;
if (mss_hdr->defen)
rmp_tbl_size += FWDL_MSS_POOL_DEFKEYSETS_SIZE;
} else {
rtw89_err(rtwdev, "[ERR] MSS Key Pool Remap Table Format Unsupport:%X\n",
mss_hdr->rmpfmt);
return -EINVAL;
}
if (rmp_tbl_size + sizeof(*mss_hdr) != le32_to_cpu(mss_hdr->key_raw_offset)) {
rtw89_err(rtwdev, "[ERR] MSS Key Pool Format Error:0x%X + 0x%X != 0x%X\n",
rmp_tbl_size, (int)sizeof(*mss_hdr),
le32_to_cpu(mss_hdr->key_raw_offset));
return -EINVAL;
}
key_sign_len = le16_to_cpu(section_content->key_sign_len.v) >> 2;
if (!key_sign_len)
key_sign_len = 512;
if (info->dsp_checksum)
key_sign_len += FWDL_SECURITY_CHKSUM_LEN;
*mssc_len = sizeof(*mss_hdr) + rmp_tbl_size +
le16_to_cpu(mss_hdr->keypair_num) * key_sign_len;
if (!sec->secure_boot)
goto out;
sb_sel_ver = le32_to_cpu(section_content->sb_sel_ver.v);
if (sb_sel_ver && sb_sel_ver != sec->sb_sel_mgn)
goto ignore;
ret = __get_mssc_key_idx(rtwdev, mss_hdr, rmp_tbl_size, &real_key_idx);
if (ret)
goto ignore;
section_info->key_addr = content + section_info->len +
le32_to_cpu(mss_hdr->key_raw_offset) +
key_sign_len * real_key_idx;
section_info->key_len = key_sign_len;
section_info->key_idx = real_key_idx;
out:
if (info->secure_section_exist) {
section_info->ignore = true;
return 0;
}
info->secure_section_exist = true;
return 0;
ignore:
section_info->ignore = true;
return 0;
}
static int __parse_security_section(struct rtw89_dev *rtwdev,
struct rtw89_fw_bin_info *info,
struct rtw89_fw_hdr_section_info *section_info,
const struct rtw89_fw_hdr_section_v1 *section,
const void *content,
u32 *mssc_len)
{
int ret;
section_info->mssc =
le32_get_bits(section->w2, FWSECTION_HDR_V1_W2_MSSC);
if (section_info->mssc == FORMATTED_MSSC) {
ret = __parse_formatted_mssc(rtwdev, info, section_info,
section, content, mssc_len);
if (ret)
return -EINVAL;
} else {
*mssc_len = section_info->mssc * FWDL_SECURITY_SIGLEN;
if (info->dsp_checksum)
*mssc_len += section_info->mssc * FWDL_SECURITY_CHKSUM_LEN;
info->secure_section_exist = true;
}
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;
int ret;
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);
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);
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;
if (section_info->type == FWDL_SECURITY_SECTION_TYPE) {
ret = __parse_security_section(rtwdev, info, section_info,
section, bin, &mssc_len);
if (ret)
return ret;
} else {
section_info->mssc = 0;
mssc_len = 0;
}
rtw89_debug(rtwdev, RTW89_DBG_FW,
"section[%d] type=%d len=0x%-6x mssc=%d mssc_len=%d addr=%tx\n",
i, section_info->type, section_info->len,
section_info->mssc, mssc_len, bin - fw);
rtw89_debug(rtwdev, RTW89_DBG_FW,
" ignore=%d key_addr=%p (0x%tx) key_len=%d key_idx=%d\n",
section_info->ignore, section_info->key_addr,
section_info->key_addr ?
section_info->key_addr - section_info->addr : 0,
section_info->key_len, section_info->key_idx);
bin += section_info->len + mssc_len;
section_info++;
}
if (fw_end != bin) {
rtw89_err(rtwdev, "[ERR]fw bin size\n");
return -EINVAL;
}
if (!info->secure_section_exist)
rtw89_warn(rtwdev, "no firmware secure section\n");
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)
{
struct rtw89_fw_info *fw_info = &rtwdev->fw;
const struct firmware *firmware = fw_info->req.firmware;
const u8 *mfw = firmware->data;
u32 mfw_len = firmware->size;
const struct rtw89_mfw_hdr *mfw_hdr = (const struct rtw89_mfw_hdr *)mfw;
const struct rtw89_mfw_info *mfw_info;
int i;
if (mfw_hdr->sig != RTW89_MFW_SIG) {
rtw89_debug(rtwdev, RTW89_DBG_FW, "use legacy firmware\n");
/* legacy firmware support normal type only */
if (type != RTW89_FW_NORMAL)
return -EINVAL;
fw_suit->data = mfw;
fw_suit->size = mfw_len;
return 0;
}
for (i = 0; i < mfw_hdr->fw_nr; i++) {
mfw_info = &mfw_hdr->info[i];
if (mfw_info->type == type) {
if (mfw_info->cv == rtwdev->hal.cv && !mfw_info->mp)
goto found;
if (type == RTW89_FW_LOGFMT)
goto found;
}
}
if (!nowarn)
rtw89_err(rtwdev, "no suitable firmware found\n");
return -ENOENT;
found:
fw_suit->data = mfw + le32_to_cpu(mfw_info->shift);
fw_suit->size = le32_to_cpu(mfw_info->size);
return 0;
}
static u32 rtw89_mfw_get_size(struct rtw89_dev *rtwdev)
{
struct rtw89_fw_info *fw_info = &rtwdev->fw;
const struct firmware *firmware = fw_info->req.firmware;
const struct rtw89_mfw_hdr *mfw_hdr =
(const struct rtw89_mfw_hdr *)firmware->data;
const struct rtw89_mfw_info *mfw_info;
u32 size;
if (mfw_hdr->sig != RTW89_MFW_SIG) {
rtw89_warn(rtwdev, "not mfw format\n");
return 0;
}
mfw_info = &mfw_hdr->info[mfw_hdr->fw_nr - 1];
size = le32_to_cpu(mfw_info->shift) + le32_to_cpu(mfw_info->size);
return size;
}
static void rtw89_fw_update_ver_v0(struct rtw89_dev *rtwdev,
struct rtw89_fw_suit *fw_suit,
const struct rtw89_fw_hdr *hdr)
{
fw_suit->major_ver = le32_get_bits(hdr->w1, FW_HDR_W1_MAJOR_VERSION);
fw_suit->minor_ver = le32_get_bits(hdr->w1, FW_HDR_W1_MINOR_VERSION);
fw_suit->sub_ver = le32_get_bits(hdr->w1, FW_HDR_W1_SUBVERSION);
fw_suit->sub_idex = le32_get_bits(hdr->w1, FW_HDR_W1_SUBINDEX);
fw_suit->commitid = le32_get_bits(hdr->w2, FW_HDR_W2_COMMITID);
fw_suit->build_year = le32_get_bits(hdr->w5, FW_HDR_W5_YEAR);
fw_suit->build_mon = le32_get_bits(hdr->w4, FW_HDR_W4_MONTH);
fw_suit->build_date = le32_get_bits(hdr->w4, FW_HDR_W4_DATE);
fw_suit->build_hour = le32_get_bits(hdr->w4, FW_HDR_W4_HOUR);
fw_suit->build_min = le32_get_bits(hdr->w4, FW_HDR_W4_MIN);
fw_suit->cmd_ver = le32_get_bits(hdr->w7, FW_HDR_W7_CMD_VERSERION);
}
static void rtw89_fw_update_ver_v1(struct rtw89_dev *rtwdev,
struct rtw89_fw_suit *fw_suit,
const struct rtw89_fw_hdr_v1 *hdr)
{
fw_suit->major_ver = le32_get_bits(hdr->w1, FW_HDR_V1_W1_MAJOR_VERSION);
fw_suit->minor_ver = le32_get_bits(hdr->w1, FW_HDR_V1_W1_MINOR_VERSION);
fw_suit->sub_ver = le32_get_bits(hdr->w1, FW_HDR_V1_W1_SUBVERSION);
fw_suit->sub_idex = le32_get_bits(hdr->w1, FW_HDR_V1_W1_SUBINDEX);
fw_suit->commitid = le32_get_bits(hdr->w2, FW_HDR_V1_W2_COMMITID);
fw_suit->build_year = le32_get_bits(hdr->w5, FW_HDR_V1_W5_YEAR);
fw_suit->build_mon = le32_get_bits(hdr->w4, FW_HDR_V1_W4_MONTH);
fw_suit->build_date = le32_get_bits(hdr->w4, FW_HDR_V1_W4_DATE);
fw_suit->build_hour = le32_get_bits(hdr->w4, FW_HDR_V1_W4_HOUR);
fw_suit->build_min = le32_get_bits(hdr->w4, FW_HDR_V1_W4_MIN);
fw_suit->cmd_ver = le32_get_bits(hdr->w7, FW_HDR_V1_W3_CMD_VERSERION);
}
static int rtw89_fw_update_ver(struct rtw89_dev *rtwdev,
enum rtw89_fw_type type,
struct rtw89_fw_suit *fw_suit)
{
const struct rtw89_fw_hdr *v0 = (const struct rtw89_fw_hdr *)fw_suit->data;
const struct rtw89_fw_hdr_v1 *v1 = (const struct rtw89_fw_hdr_v1 *)fw_suit->data;
if (type == RTW89_FW_LOGFMT)
return 0;
fw_suit->type = type;
fw_suit->hdr_ver = le32_get_bits(v0->w3, FW_HDR_W3_HDR_VER);
switch (fw_suit->hdr_ver) {
case 0:
rtw89_fw_update_ver_v0(rtwdev, fw_suit, v0);
break;
case 1:
rtw89_fw_update_ver_v1(rtwdev, fw_suit, v1);
break;
default:
rtw89_err(rtwdev, "Unknown firmware header version %u\n",
fw_suit->hdr_ver);
return -ENOENT;
}
rtw89_info(rtwdev,
"Firmware version %u.%u.%u.%u (%08x), cmd version %u, type %u\n",
fw_suit->major_ver, fw_suit->minor_ver, fw_suit->sub_ver,
fw_suit->sub_idex, fw_suit->commitid, fw_suit->cmd_ver, type);
return 0;
}
static
int __rtw89_fw_recognize(struct rtw89_dev *rtwdev, enum rtw89_fw_type type,
bool nowarn)
{
struct rtw89_fw_suit *fw_suit = rtw89_fw_suit_get(rtwdev, type);
int ret;
ret = rtw89_mfw_recognize(rtwdev, type, fw_suit, nowarn);
if (ret)
return ret;
return rtw89_fw_update_ver(rtwdev, type, fw_suit);
}
static
int __rtw89_fw_recognize_from_elm(struct rtw89_dev *rtwdev,
const struct rtw89_fw_element_hdr *elm,
const union rtw89_fw_element_arg arg)
{
enum rtw89_fw_type type = arg.fw_type;
struct rtw89_hal *hal = &rtwdev->hal;
struct rtw89_fw_suit *fw_suit;
if (hal->cv != elm->u.bbmcu.cv)
return 1; /* ignore this element */
fw_suit = rtw89_fw_suit_get(rtwdev, type);
fw_suit->data = elm->u.bbmcu.contents;
fw_suit->size = le32_to_cpu(elm->size);
return rtw89_fw_update_ver(rtwdev, type, fw_suit);
}
#define __DEF_FW_FEAT_COND(__cond, __op) \
static bool __fw_feat_cond_ ## __cond(u32 suit_ver_code, u32 comp_ver_code) \
{ \
return suit_ver_code __op comp_ver_code; \
}
__DEF_FW_FEAT_COND(ge, >=); /* greater or equal */
__DEF_FW_FEAT_COND(le, <=); /* less or equal */
__DEF_FW_FEAT_COND(lt, <); /* less than */
struct __fw_feat_cfg {
enum rtw89_core_chip_id chip_id;
enum rtw89_fw_feature feature;
u32 ver_code;
bool (*cond)(u32 suit_ver_code, u32 comp_ver_code);
};
#define __CFG_FW_FEAT(_chip, _cond, _maj, _min, _sub, _idx, _feat) \
{ \
.chip_id = _chip, \
.feature = RTW89_FW_FEATURE_ ## _feat, \
.ver_code = RTW89_FW_VER_CODE(_maj, _min, _sub, _idx), \
.cond = __fw_feat_cond_ ## _cond, \
}
static const struct __fw_feat_cfg fw_feat_tbl[] = {
__CFG_FW_FEAT(RTL8851B, ge, 0, 29, 37, 1, TX_WAKE),
__CFG_FW_FEAT(RTL8851B, ge, 0, 29, 37, 1, SCAN_OFFLOAD),
__CFG_FW_FEAT(RTL8851B, ge, 0, 29, 41, 0, CRASH_TRIGGER),
__CFG_FW_FEAT(RTL8852A, le, 0, 13, 29, 0, OLD_HT_RA_FORMAT),
__CFG_FW_FEAT(RTL8852A, ge, 0, 13, 35, 0, SCAN_OFFLOAD),
__CFG_FW_FEAT(RTL8852A, ge, 0, 13, 35, 0, TX_WAKE),
__CFG_FW_FEAT(RTL8852A, ge, 0, 13, 36, 0, CRASH_TRIGGER),
__CFG_FW_FEAT(RTL8852A, lt, 0, 13, 38, 0, NO_PACKET_DROP),
__CFG_FW_FEAT(RTL8852B, ge, 0, 29, 26, 0, NO_LPS_PG),
__CFG_FW_FEAT(RTL8852B, ge, 0, 29, 26, 0, TX_WAKE),
__CFG_FW_FEAT(RTL8852B, ge, 0, 29, 29, 0, CRASH_TRIGGER),
__CFG_FW_FEAT(RTL8852B, ge, 0, 29, 29, 0, SCAN_OFFLOAD),
__CFG_FW_FEAT(RTL8852C, le, 0, 27, 33, 0, NO_DEEP_PS),
__CFG_FW_FEAT(RTL8852C, ge, 0, 27, 34, 0, TX_WAKE),
__CFG_FW_FEAT(RTL8852C, ge, 0, 27, 36, 0, SCAN_OFFLOAD),
__CFG_FW_FEAT(RTL8852C, ge, 0, 27, 40, 0, CRASH_TRIGGER),
__CFG_FW_FEAT(RTL8852C, ge, 0, 27, 56, 10, BEACON_FILTER),
__CFG_FW_FEAT(RTL8922A, ge, 0, 34, 30, 0, CRASH_TRIGGER),
__CFG_FW_FEAT(RTL8922A, ge, 0, 34, 11, 0, MACID_PAUSE_SLEEP),
__CFG_FW_FEAT(RTL8922A, ge, 0, 34, 35, 0, SCAN_OFFLOAD),
__CFG_FW_FEAT(RTL8922A, ge, 0, 35, 12, 0, BEACON_FILTER),
};
static void rtw89_fw_iterate_feature_cfg(struct rtw89_fw_info *fw,
const struct rtw89_chip_info *chip,
u32 ver_code)
{
int i;
for (i = 0; i < ARRAY_SIZE(fw_feat_tbl); i++) {
const struct __fw_feat_cfg *ent = &fw_feat_tbl[i];
if (chip->chip_id != ent->chip_id)
continue;
if (ent->cond(ver_code, ent->ver_code))
RTW89_SET_FW_FEATURE(ent->feature, fw);
}
}
static void rtw89_fw_recognize_features(struct rtw89_dev *rtwdev)
{
const struct rtw89_chip_info *chip = rtwdev->chip;
const struct rtw89_fw_suit *fw_suit;
u32 suit_ver_code;
fw_suit = rtw89_fw_suit_get(rtwdev, RTW89_FW_NORMAL);
suit_ver_code = RTW89_FW_SUIT_VER_CODE(fw_suit);
rtw89_fw_iterate_feature_cfg(&rtwdev->fw, chip, suit_ver_code);
}
const struct firmware *
rtw89_early_fw_feature_recognize(struct device *device,
const struct rtw89_chip_info *chip,
struct rtw89_fw_info *early_fw,
int *used_fw_format)
{
const struct firmware *firmware;
char fw_name[64];
int fw_format;
u32 ver_code;
int ret;
for (fw_format = chip->fw_format_max; fw_format >= 0; fw_format--) {
rtw89_fw_get_filename(fw_name, sizeof(fw_name),
chip->fw_basename, fw_format);
ret = request_firmware(&firmware, fw_name, device);
if (!ret) {
dev_info(device, "loaded firmware %s\n", fw_name);
*used_fw_format = fw_format;
break;
}
}
if (ret) {
dev_err(device, "failed to early request firmware: %d\n", ret);
return NULL;
}
ver_code = rtw89_compat_fw_hdr_ver_code(firmware->data);
if (!ver_code)
goto out;
rtw89_fw_iterate_feature_cfg(early_fw, chip, ver_code);
out:
return firmware;
}
int rtw89_fw_recognize(struct rtw89_dev *rtwdev)
{
const struct rtw89_chip_info *chip = rtwdev->chip;
int ret;
if (chip->try_ce_fw) {
ret = __rtw89_fw_recognize(rtwdev, RTW89_FW_NORMAL_CE, true);
if (!ret)
goto normal_done;
}
ret = __rtw89_fw_recognize(rtwdev, RTW89_FW_NORMAL, false);
if (ret)
return ret;
normal_done:
/* It still works if wowlan firmware isn't existing. */
__rtw89_fw_recognize(rtwdev, RTW89_FW_WOWLAN, false);
/* It still works if log format file isn't existing. */
__rtw89_fw_recognize(rtwdev, RTW89_FW_LOGFMT, true);
rtw89_fw_recognize_features(rtwdev);
rtw89_coex_recognize_ver(rtwdev);
return 0;
}
static
int rtw89_build_phy_tbl_from_elm(struct rtw89_dev *rtwdev,
const struct rtw89_fw_element_hdr *elm,
const union rtw89_fw_element_arg arg)
{
struct rtw89_fw_elm_info *elm_info = &rtwdev->fw.elm_info;
struct rtw89_phy_table *tbl;
struct rtw89_reg2_def *regs;
enum rtw89_rf_path rf_path;
u32 n_regs, i;
u8 idx;
tbl = kzalloc(sizeof(*tbl), GFP_KERNEL);
if (!tbl)
return -ENOMEM;
switch (le32_to_cpu(elm->id)) {
case RTW89_FW_ELEMENT_ID_BB_REG:
elm_info->bb_tbl = tbl;
break;
case RTW89_FW_ELEMENT_ID_BB_GAIN:
elm_info->bb_gain = tbl;
break;
case RTW89_FW_ELEMENT_ID_RADIO_A:
case RTW89_FW_ELEMENT_ID_RADIO_B:
case RTW89_FW_ELEMENT_ID_RADIO_C:
case RTW89_FW_ELEMENT_ID_RADIO_D:
rf_path = arg.rf_path;
idx = elm->u.reg2.idx;
elm_info->rf_radio[idx] = tbl;
tbl->rf_path = rf_path;
tbl->config = rtw89_phy_config_rf_reg_v1;
break;
case RTW89_FW_ELEMENT_ID_RF_NCTL:
elm_info->rf_nctl = tbl;
break;
default:
kfree(tbl);
return -ENOENT;
}
n_regs = le32_to_cpu(elm->size) / sizeof(tbl->regs[0]);
regs = kcalloc(n_regs, sizeof(tbl->regs[0]), GFP_KERNEL);
if (!regs)
goto out;
for (i = 0; i < n_regs; i++) {
regs[i].addr = le32_to_cpu(elm->u.reg2.regs[i].addr);
regs[i].data = le32_to_cpu(elm->u.reg2.regs[i].data);
}
tbl->n_regs = n_regs;
tbl->regs = regs;
return 0;
out:
kfree(tbl);
return -ENOMEM;
}
static
int rtw89_fw_recognize_txpwr_from_elm(struct rtw89_dev *rtwdev,
const struct rtw89_fw_element_hdr *elm,
const union rtw89_fw_element_arg arg)
{
const struct __rtw89_fw_txpwr_element *txpwr_elm = &elm->u.txpwr;
const unsigned long offset = arg.offset;
struct rtw89_efuse *efuse = &rtwdev->efuse;
struct rtw89_txpwr_conf *conf;
if (!rtwdev->rfe_data) {
rtwdev->rfe_data = kzalloc(sizeof(*rtwdev->rfe_data), GFP_KERNEL);
if (!rtwdev->rfe_data)
return -ENOMEM;
}
conf = (void *)rtwdev->rfe_data + offset;
/* if multiple matched, take the last eventually */
if (txpwr_elm->rfe_type == efuse->rfe_type)
goto setup;
/* without one is matched, accept default */
if (txpwr_elm->rfe_type == RTW89_TXPWR_CONF_DFLT_RFE_TYPE &&
(!rtw89_txpwr_conf_valid(conf) ||
conf->rfe_type == RTW89_TXPWR_CONF_DFLT_RFE_TYPE))
goto setup;
rtw89_debug(rtwdev, RTW89_DBG_FW, "skip txpwr element ID %u RFE %u\n",
elm->id, txpwr_elm->rfe_type);
return 0;
setup:
rtw89_debug(rtwdev, RTW89_DBG_FW, "take txpwr element ID %u RFE %u\n",
elm->id, txpwr_elm->rfe_type);
conf->rfe_type = txpwr_elm->rfe_type;
conf->ent_sz = txpwr_elm->ent_sz;
conf->num_ents = le32_to_cpu(txpwr_elm->num_ents);
conf->data = txpwr_elm->content;
return 0;
}
static
int rtw89_build_txpwr_trk_tbl_from_elm(struct rtw89_dev *rtwdev,
const struct rtw89_fw_element_hdr *elm,
const union rtw89_fw_element_arg arg)
{
struct rtw89_fw_elm_info *elm_info = &rtwdev->fw.elm_info;
const struct rtw89_chip_info *chip = rtwdev->chip;
u32 needed_bitmap = 0;
u32 offset = 0;
int subband;
u32 bitmap;
int type;
if (chip->support_bands & BIT(NL80211_BAND_6GHZ))
needed_bitmap |= RTW89_DEFAULT_NEEDED_FW_TXPWR_TRK_6GHZ;
if (chip->support_bands & BIT(NL80211_BAND_5GHZ))
needed_bitmap |= RTW89_DEFAULT_NEEDED_FW_TXPWR_TRK_5GHZ;
if (chip->support_bands & BIT(NL80211_BAND_2GHZ))
needed_bitmap |= RTW89_DEFAULT_NEEDED_FW_TXPWR_TRK_2GHZ;
bitmap = le32_to_cpu(elm->u.txpwr_trk.bitmap);
if ((bitmap & needed_bitmap) != needed_bitmap) {
rtw89_warn(rtwdev, "needed txpwr trk bitmap %08x but %0x8x\n",
needed_bitmap, bitmap);
return -ENOENT;
}
elm_info->txpwr_trk = kzalloc(sizeof(*elm_info->txpwr_trk), GFP_KERNEL);
if (!elm_info->txpwr_trk)
return -ENOMEM;
for (type = 0; bitmap; type++, bitmap >>= 1) {
if (!(bitmap & BIT(0)))
continue;
if (type >= __RTW89_FW_TXPWR_TRK_TYPE_6GHZ_START &&
type <= __RTW89_FW_TXPWR_TRK_TYPE_6GHZ_MAX)
subband = 4;
else if (type >= __RTW89_FW_TXPWR_TRK_TYPE_5GHZ_START &&
type <= __RTW89_FW_TXPWR_TRK_TYPE_5GHZ_MAX)
subband = 3;
else if (type >= __RTW89_FW_TXPWR_TRK_TYPE_2GHZ_START &&
type <= __RTW89_FW_TXPWR_TRK_TYPE_2GHZ_MAX)
subband = 1;
else
break;
elm_info->txpwr_trk->delta[type] = &elm->u.txpwr_trk.contents[offset];
offset += subband;
if (offset * DELTA_SWINGIDX_SIZE > le32_to_cpu(elm->size))
goto err;
}
return 0;
err:
rtw89_warn(rtwdev, "unexpected txpwr trk offset %d over size %d\n",
offset, le32_to_cpu(elm->size));
kfree(elm_info->txpwr_trk);
elm_info->txpwr_trk = NULL;
return -EFAULT;
}
static
int rtw89_build_rfk_log_fmt_from_elm(struct rtw89_dev *rtwdev,
const struct rtw89_fw_element_hdr *elm,
const union rtw89_fw_element_arg arg)
{
struct rtw89_fw_elm_info *elm_info = &rtwdev->fw.elm_info;
u8 rfk_id;
if (elm_info->rfk_log_fmt)
goto allocated;
elm_info->rfk_log_fmt = kzalloc(sizeof(*elm_info->rfk_log_fmt), GFP_KERNEL);
if (!elm_info->rfk_log_fmt)
return 1; /* this is an optional element, so just ignore this */
allocated:
rfk_id = elm->u.rfk_log_fmt.rfk_id;
if (rfk_id >= RTW89_PHY_C2H_RFK_LOG_FUNC_NUM)
return 1;
elm_info->rfk_log_fmt->elm[rfk_id] = elm;
return 0;
}
static const struct rtw89_fw_element_handler __fw_element_handlers[] = {
[RTW89_FW_ELEMENT_ID_BBMCU0] = {__rtw89_fw_recognize_from_elm,
{ .fw_type = RTW89_FW_BBMCU0 }, NULL},
[RTW89_FW_ELEMENT_ID_BBMCU1] = {__rtw89_fw_recognize_from_elm,
{ .fw_type = RTW89_FW_BBMCU1 }, NULL},
[RTW89_FW_ELEMENT_ID_BB_REG] = {rtw89_build_phy_tbl_from_elm, {}, "BB"},
[RTW89_FW_ELEMENT_ID_BB_GAIN] = {rtw89_build_phy_tbl_from_elm, {}, NULL},
[RTW89_FW_ELEMENT_ID_RADIO_A] = {rtw89_build_phy_tbl_from_elm,
{ .rf_path = RF_PATH_A }, "radio A"},
[RTW89_FW_ELEMENT_ID_RADIO_B] = {rtw89_build_phy_tbl_from_elm,
{ .rf_path = RF_PATH_B }, NULL},
[RTW89_FW_ELEMENT_ID_RADIO_C] = {rtw89_build_phy_tbl_from_elm,
{ .rf_path = RF_PATH_C }, NULL},
[RTW89_FW_ELEMENT_ID_RADIO_D] = {rtw89_build_phy_tbl_from_elm,
{ .rf_path = RF_PATH_D }, NULL},
[RTW89_FW_ELEMENT_ID_RF_NCTL] = {rtw89_build_phy_tbl_from_elm, {}, "NCTL"},
[RTW89_FW_ELEMENT_ID_TXPWR_BYRATE] = {
rtw89_fw_recognize_txpwr_from_elm,
{ .offset = offsetof(struct rtw89_rfe_data, byrate.conf) }, "TXPWR",
},
[RTW89_FW_ELEMENT_ID_TXPWR_LMT_2GHZ] = {
rtw89_fw_recognize_txpwr_from_elm,
{ .offset = offsetof(struct rtw89_rfe_data, lmt_2ghz.conf) }, NULL,
},
[RTW89_FW_ELEMENT_ID_TXPWR_LMT_5GHZ] = {
rtw89_fw_recognize_txpwr_from_elm,
{ .offset = offsetof(struct rtw89_rfe_data, lmt_5ghz.conf) }, NULL,
},
[RTW89_FW_ELEMENT_ID_TXPWR_LMT_6GHZ] = {
rtw89_fw_recognize_txpwr_from_elm,
{ .offset = offsetof(struct rtw89_rfe_data, lmt_6ghz.conf) }, NULL,
},
[RTW89_FW_ELEMENT_ID_TXPWR_LMT_RU_2GHZ] = {
rtw89_fw_recognize_txpwr_from_elm,
{ .offset = offsetof(struct rtw89_rfe_data, lmt_ru_2ghz.conf) }, NULL,
},
[RTW89_FW_ELEMENT_ID_TXPWR_LMT_RU_5GHZ] = {
rtw89_fw_recognize_txpwr_from_elm,
{ .offset = offsetof(struct rtw89_rfe_data, lmt_ru_5ghz.conf) }, NULL,