From 253f10abb7c24665988cf0abda65acaa40ce5815 Mon Sep 17 00:00:00 2001 From: Larry Finger Date: Mon, 3 Aug 2015 15:56:13 -0500 Subject: [PATCH] rtlwifi: rtl8821ae: Fix firmware endian issues This driver is converted to use the common firmware header struct. Because the old header definition failed to indicate that the multi-byte entries should be little endian, several problems were thus exposed. These are fixed. Signed-off-by: Larry Finger Signed-off-by: Kalle Valo --- drivers/net/wireless/rtlwifi/rtl8821ae/fw.c | 14 +++++++------- drivers/net/wireless/rtlwifi/rtl8821ae/fw.h | 23 ++--------------------- 2 files changed, 9 insertions(+), 28 deletions(-) diff --git a/drivers/net/wireless/rtlwifi/rtl8821ae/fw.c b/drivers/net/wireless/rtlwifi/rtl8821ae/fw.c index 95e95626b632..525eb234627c 100644 --- a/drivers/net/wireless/rtlwifi/rtl8821ae/fw.c +++ b/drivers/net/wireless/rtlwifi/rtl8821ae/fw.c @@ -210,7 +210,7 @@ int rtl8821ae_download_fw(struct ieee80211_hw *hw, bool buse_wake_on_wlan_fw) { struct rtl_priv *rtlpriv = rtl_priv(hw); struct rtl_hal *rtlhal = rtl_hal(rtl_priv(hw)); - struct rtl8821a_firmware_header *pfwheader; + struct rtlwifi_firmware_header *pfwheader; u8 *pfwdata; u32 fwsize; int err; @@ -228,8 +228,8 @@ int rtl8821ae_download_fw(struct ieee80211_hw *hw, bool buse_wake_on_wlan_fw) return 1; pfwheader = - (struct rtl8821a_firmware_header *)rtlhal->wowlan_firmware; - rtlhal->fw_version = pfwheader->version; + (struct rtlwifi_firmware_header *)rtlhal->wowlan_firmware; + rtlhal->fw_version = le16_to_cpu(pfwheader->version); rtlhal->fw_subversion = pfwheader->subversion; pfwdata = (u8 *)rtlhal->wowlan_firmware; fwsize = rtlhal->wowlan_fwsize; @@ -238,8 +238,8 @@ int rtl8821ae_download_fw(struct ieee80211_hw *hw, bool buse_wake_on_wlan_fw) return 1; pfwheader = - (struct rtl8821a_firmware_header *)rtlhal->pfirmware; - rtlhal->fw_version = pfwheader->version; + (struct rtlwifi_firmware_header *)rtlhal->pfirmware; + rtlhal->fw_version = le16_to_cpu(pfwheader->version); rtlhal->fw_subversion = pfwheader->subversion; pfwdata = (u8 *)rtlhal->pfirmware; fwsize = rtlhal->fwsize; @@ -255,8 +255,8 @@ int rtl8821ae_download_fw(struct ieee80211_hw *hw, bool buse_wake_on_wlan_fw) "Firmware Version(%d), Signature(%#x)\n", pfwheader->version, pfwheader->signature); - pfwdata = pfwdata + sizeof(struct rtl8821a_firmware_header); - fwsize = fwsize - sizeof(struct rtl8821a_firmware_header); + pfwdata = pfwdata + sizeof(struct rtlwifi_firmware_header); + fwsize = fwsize - sizeof(struct rtlwifi_firmware_header); } if (rtlhal->mac_func_enable) { diff --git a/drivers/net/wireless/rtlwifi/rtl8821ae/fw.h b/drivers/net/wireless/rtlwifi/rtl8821ae/fw.h index 591c14c0b9b5..8f5b4aade3c9 100644 --- a/drivers/net/wireless/rtlwifi/rtl8821ae/fw.h +++ b/drivers/net/wireless/rtlwifi/rtl8821ae/fw.h @@ -34,10 +34,10 @@ #define FW_8821AE_POLLING_TIMEOUT_COUNT 6000 #define IS_FW_HEADER_EXIST_8812(_pfwhdr) \ - ((_pfwhdr->signature&0xFFF0) == 0x9500) + ((le16_to_cpu(_pfwhdr->signature) & 0xFFF0) == 0x9500) #define IS_FW_HEADER_EXIST_8821(_pfwhdr) \ - ((_pfwhdr->signature&0xFFF0) == 0x2100) + ((le16_to_cpu(_pfwhdr->signature) & 0xFFF0) == 0x2100) #define USE_OLD_WOWLAN_DEBUG_FW 0 @@ -137,25 +137,6 @@ #define FW_PWR_STATE_ACTIVE ((FW_PS_RF_ON) | (FW_PS_REGISTER_ACTIVE)) #define FW_PWR_STATE_RF_OFF 0 -struct rtl8821a_firmware_header { - u16 signature; - u8 category; - u8 function; - u16 version; - u8 subversion; - u8 rsvd1; - u8 month; - u8 date; - u8 hour; - u8 minute; - u16 ramcodeSize; - u16 rsvd2; - u32 svnindex; - u32 rsvd3; - u32 rsvd4; - u32 rsvd5; -}; - enum rtl8812_c2h_evt { C2H_8812_DBG = 0, C2H_8812_LB = 1, -- 2.11.0