diff options
Diffstat (limited to 'drivers/net/wireless/realtek/rtw88/main.c')
-rw-r--r-- | drivers/net/wireless/realtek/rtw88/main.c | 100 |
1 files changed, 86 insertions, 14 deletions
diff --git a/drivers/net/wireless/realtek/rtw88/main.c b/drivers/net/wireless/realtek/rtw88/main.c index ff8893861ccf..f3a3a86fa9b5 100644 --- a/drivers/net/wireless/realtek/rtw88/main.c +++ b/drivers/net/wireless/realtek/rtw88/main.c @@ -345,15 +345,9 @@ static bool rtw_fw_dump_crash_log(struct rtw_dev *rtwdev) "fw crash dump's seq is wrong: %d\n", seq); goto free_buf; } - if (seq == 0 && - (GET_FW_DUMP_TLV_TYPE(buf) != FW_CD_TYPE || - GET_FW_DUMP_TLV_LEN(buf) != FW_CD_LEN || - GET_FW_DUMP_TLV_VAL(buf) != FW_CD_VAL)) { - rtw_dbg(rtwdev, RTW_DBG_FW, "fw crash dump's tlv is wrong\n"); - goto free_buf; - } - print_hex_dump_bytes("rtw88 fw dump: ", DUMP_PREFIX_OFFSET, buf, size); + print_hex_dump(KERN_ERR, "rtw88 fw dump: ", DUMP_PREFIX_OFFSET, 16, 1, + buf, size, true); if (GET_FW_DUMP_MORE(buf) == 1) { rtwdev->fw.prev_dump_seq = seq; @@ -368,6 +362,78 @@ exit: return ret; } +int rtw_dump_fw(struct rtw_dev *rtwdev, const u32 ocp_src, u32 size, + const char *prefix_str) +{ + u32 rxff = rtwdev->chip->fw_rxff_size; + u32 dump_size, done_size = 0; + u8 *buf; + int ret; + + buf = vzalloc(size); + if (!buf) + return -ENOMEM; + + while (size) { + dump_size = size > rxff ? rxff : size; + + ret = rtw_ddma_to_fw_fifo(rtwdev, ocp_src + done_size, + dump_size); + if (ret) { + rtw_err(rtwdev, + "ddma fw 0x%x [+0x%x] to fw fifo fail\n", + ocp_src, done_size); + goto exit; + } + + ret = rtw_fw_dump_fifo(rtwdev, RTW_FW_FIFO_SEL_RXBUF_FW, 0, + dump_size, (u32 *)(buf + done_size)); + if (ret) { + rtw_err(rtwdev, + "dump fw 0x%x [+0x%x] from fw fifo fail\n", + ocp_src, done_size); + goto exit; + } + + size -= dump_size; + done_size += dump_size; + } + + print_hex_dump(KERN_ERR, prefix_str, DUMP_PREFIX_OFFSET, 16, 1, + buf, done_size, true); + +exit: + vfree(buf); + return ret; +} +EXPORT_SYMBOL(rtw_dump_fw); + +int rtw_dump_reg(struct rtw_dev *rtwdev, const u32 addr, const u32 size, + const char *prefix_str) +{ + u8 *buf; + u32 i; + + if (addr & 0x3) { + WARN(1, "should be 4-byte aligned, addr = 0x%08x\n", addr); + return -EINVAL; + } + + buf = vzalloc(size); + if (!buf) + return -ENOMEM; + + for (i = 0; i < size; i += 4) + *(u32 *)(buf + i) = rtw_read32(rtwdev, addr + i); + + print_hex_dump(KERN_ERR, prefix_str, DUMP_PREFIX_OFFSET, 16, 4, buf, + size, true); + + vfree(buf); + return 0; +} +EXPORT_SYMBOL(rtw_dump_reg); + void rtw_vif_assoc_changed(struct rtw_vif *rtwvif, struct ieee80211_bss_conf *conf) { @@ -419,10 +485,8 @@ void rtw_fw_recovery(struct rtw_dev *rtwdev) ieee80211_queue_work(rtwdev->hw, &rtwdev->fw_recovery_work); } -static void rtw_fw_recovery_work(struct work_struct *work) +static void __fw_recovery_work(struct rtw_dev *rtwdev) { - struct rtw_dev *rtwdev = container_of(work, struct rtw_dev, - fw_recovery_work); /* rtw_fw_dump_crash_log() returns false indicates that there are * still more log to dump. Driver set 0x1cf[7:0] = 0x1 to tell firmware @@ -435,18 +499,26 @@ static void rtw_fw_recovery_work(struct work_struct *work) } rtwdev->fw.prev_dump_seq = 0; - WARN(1, "firmware crash, start reset and recover\n"); + set_bit(RTW_FLAG_RESTARTING, rtwdev->flags); + rtw_chip_dump_fw_crash(rtwdev); - mutex_lock(&rtwdev->mutex); + WARN(1, "firmware crash, start reset and recover\n"); - set_bit(RTW_FLAG_RESTARTING, rtwdev->flags); rcu_read_lock(); rtw_iterate_keys_rcu(rtwdev, NULL, rtw_reset_key_iter, rtwdev); rcu_read_unlock(); rtw_iterate_stas_atomic(rtwdev, rtw_reset_sta_iter, rtwdev); rtw_iterate_vifs_atomic(rtwdev, rtw_reset_vif_iter, rtwdev); rtw_enter_ips(rtwdev); +} +static void rtw_fw_recovery_work(struct work_struct *work) +{ + struct rtw_dev *rtwdev = container_of(work, struct rtw_dev, + fw_recovery_work); + + mutex_lock(&rtwdev->mutex); + __fw_recovery_work(rtwdev); mutex_unlock(&rtwdev->mutex); ieee80211_restart_hw(rtwdev->hw); |