rtlwifi: rtl8192se: Updates from latest Realtek driver version - Part II

This patch incorporate the differences between the 06/20/2011 and
08/16/2011 Realtek releases of the rtl8192se driver.

The changes include:

1. Fixing some typos in register usage.
2. A change in the handling of decryption status for 802.11w packets.

Signed-off-by: Chaoming Li <chaoming_li@realsil.com.cn>
Signed-off-by: Larry Finger <Larry.Finger@lwfinger.net>
Signed-off-by: John W. Linville <linville@tuxdriver.com>

5 files changed, 48 insertions, 33 deletions

diff --git a/drivers/net/wireless/rtlwifi/rtl8192se/hw.c b/drivers/net/wireless/rtlwifi/rtl8192se/hw.c
index d59f66cb7768..c474486e3911 100644
--- a/drivers/net/wireless/rtlwifi/rtl8192se/hw.c
+++ b/drivers/net/wireless/rtlwifi/rtl8192se/hw.c
@@ -1382,7 +1382,7 @@ static void _rtl92se_power_domain_init(struct ieee80211_hw *hw)
         rtl_write_byte(rtlpriv, LDOA15_CTRL, 0x34);
 
         /* Reset MAC-IO and CPU and Core Digital BIT10/11/15 */
-        tmpu1b = rtl_read_byte(rtlpriv, SYS_FUNC_EN + 1);
+        tmpu1b = rtl_read_byte(rtlpriv, REG_SYS_FUNC_EN + 1);
 
         /* If IPS we need to turn LED on. So we not
          * not disable BIT 3/7 of reg3. */
@@ -1391,7 +1391,7 @@ static void _rtl92se_power_domain_init(struct ieee80211_hw *hw)
         else
                 tmpu1b &= 0x73;
 
-        rtl_write_byte(rtlpriv, SYS_FUNC_EN + 1, tmpu1b);
+        rtl_write_byte(rtlpriv, REG_SYS_FUNC_EN + 1, tmpu1b);
         /* wait for BIT 10/11/15 to pull high automatically!! */
         mdelay(1);
 
@@ -1428,15 +1428,15 @@ static void _rtl92se_power_domain_init(struct ieee80211_hw *hw)
         rtl_write_byte(rtlpriv, LDOA15_CTRL, (tmpu1b | BIT(0)));
 
         /* Set Digital Vdd to Retention isolation Path. */
-        tmpu2b = rtl_read_word(rtlpriv, SYS_ISO_CTRL);
-        rtl_write_word(rtlpriv, SYS_ISO_CTRL, (tmpu2b | BIT(11)));
+        tmpu2b = rtl_read_word(rtlpriv, REG_SYS_ISO_CTRL);
+        rtl_write_word(rtlpriv, REG_SYS_ISO_CTRL, (tmpu2b | BIT(11)));
 
 
         /* For warm reboot NIC disappera bug. */
-        tmpu2b = rtl_read_word(rtlpriv, SYS_FUNC_EN);
-        rtl_write_word(rtlpriv, SYS_FUNC_EN, (tmpu2b | BIT(13)));
+        tmpu2b = rtl_read_word(rtlpriv, REG_SYS_FUNC_EN);
+        rtl_write_word(rtlpriv, REG_SYS_FUNC_EN, (tmpu2b | BIT(13)));
 
-        rtl_write_byte(rtlpriv, SYS_ISO_CTRL + 1, 0x68);
+        rtl_write_byte(rtlpriv, REG_SYS_ISO_CTRL + 1, 0x68);
 
         /* Enable AFE PLL Macro Block */
         tmpu1b = rtl_read_byte(rtlpriv, AFE_PLL_CTRL);
@@ -1447,17 +1447,17 @@ static void _rtl92se_power_domain_init(struct ieee80211_hw *hw)
         mdelay(1);
 
         /* Release isolation AFE PLL & MD */
-        rtl_write_byte(rtlpriv, SYS_ISO_CTRL, 0xA6);
+        rtl_write_byte(rtlpriv, REG_SYS_ISO_CTRL, 0xA6);
 
         /* Enable MAC clock */
         tmpu2b = rtl_read_word(rtlpriv, SYS_CLKR);
         rtl_write_word(rtlpriv, SYS_CLKR, (tmpu2b | BIT(12) | BIT(11)));
 
         /* Enable Core digital and enable IOREG R/W */
-        tmpu2b = rtl_read_word(rtlpriv, SYS_FUNC_EN);
-        rtl_write_word(rtlpriv, SYS_FUNC_EN, (tmpu2b | BIT(11)));
+        tmpu2b = rtl_read_word(rtlpriv, REG_SYS_FUNC_EN);
+        rtl_write_word(rtlpriv, REG_SYS_FUNC_EN, (tmpu2b | BIT(11)));
         /* enable REG_EN */
-        rtl_write_word(rtlpriv, SYS_FUNC_EN, (tmpu2b | BIT(11) | BIT(15)));
+        rtl_write_word(rtlpriv, REG_SYS_FUNC_EN, (tmpu2b | BIT(11) | BIT(15)));
 
         /* Switch the control path. */
         tmpu2b = rtl_read_word(rtlpriv, SYS_CLKR);
diff --git a/drivers/net/wireless/rtlwifi/rtl8192se/reg.h b/drivers/net/wireless/rtlwifi/rtl8192se/reg.h
index ea32ef2d4098..11f125c030ce 100644
--- a/drivers/net/wireless/rtlwifi/rtl8192se/reg.h
+++ b/drivers/net/wireless/rtlwifi/rtl8192se/reg.h
@@ -735,6 +735,7 @@
 #define HWSET_MAX_SIZE_92S                      128
 #define EFUSE_MAX_SECTION                       16
 #define EFUSE_REAL_CONTENT_LEN                  512
+#define EFUSE_OOB_PROTECT_BYTES                 15
 
 #define RTL8190_EEPROM_ID                       0x8129
 #define EEPROM_HPON                             0x02
diff --git a/drivers/net/wireless/rtlwifi/rtl8192se/sw.c b/drivers/net/wireless/rtlwifi/rtl8192se/sw.c
index d2dad538bb26..3ec9a0d41baf 100644
--- a/drivers/net/wireless/rtlwifi/rtl8192se/sw.c
+++ b/drivers/net/wireless/rtlwifi/rtl8192se/sw.c
@@ -307,6 +307,7 @@ static struct rtl_hal_cfg rtl92se_hal_cfg = {
         .maps[EFUSE_HWSET_MAX_SIZE] = HWSET_MAX_SIZE_92S,
         .maps[EFUSE_MAX_SECTION_MAP] = EFUSE_MAX_SECTION,
         .maps[EFUSE_REAL_CONTENT_SIZE] = EFUSE_REAL_CONTENT_LEN,
+        .maps[EFUSE_OOB_PROTECT_BYTES_LEN] = EFUSE_OOB_PROTECT_BYTES,
 
         .maps[RWCAM] = REG_RWCAM,
         .maps[WCAMI] = REG_WCAMI,
diff --git a/drivers/net/wireless/rtlwifi/rtl8192se/trx.c b/drivers/net/wireless/rtlwifi/rtl8192se/trx.c
index ba137da082b5..fbebe3ea0a22 100644
--- a/drivers/net/wireless/rtlwifi/rtl8192se/trx.c
+++ b/drivers/net/wireless/rtlwifi/rtl8192se/trx.c
@@ -124,18 +124,15 @@ static void _rtl92se_query_rxphystatus(struct ieee80211_hw *hw,
         u8 i, max_spatial_stream;
         u32 rssi, total_rssi = 0;
         bool in_powersavemode = false;
-        bool is_cck_rate;
+        bool is_cck = pstats->is_cck;
 
-        is_cck_rate = SE_RX_HAL_IS_CCK_RATE(pdesc);
         pstats->packet_matchbssid = packet_match_bssid;
         pstats->packet_toself = packet_toself;
-        pstats->is_cck = is_cck_rate;
         pstats->packet_beacon = packet_beacon;
-        pstats->is_cck = is_cck_rate;
         pstats->rx_mimo_signalquality[0] = -1;
         pstats->rx_mimo_signalquality[1] = -1;
 
-        if (is_cck_rate) {
+        if (is_cck) {
                 u8 report, cck_highpwr;
                 cck_buf = (struct phy_sts_cck_8192s_t *)p_drvinfo;
 
@@ -246,9 +243,8 @@ static void _rtl92se_query_rxphystatus(struct ieee80211_hw *hw,
                 pstats->rxpower = rx_pwr_all;
                 pstats->recvsignalpower = rx_pwr_all;
 
-                if (GET_RX_STATUS_DESC_RX_HT(pdesc) &&
-                        GET_RX_STATUS_DESC_RX_MCS(pdesc) >= DESC92_RATEMCS8 &&
-                    GET_RX_STATUS_DESC_RX_MCS(pdesc) <= DESC92_RATEMCS15)
+                if (pstats->is_ht && pstats->rate >= DESC92_RATEMCS8 &&
+                    pstats->rate <= DESC92_RATEMCS15)
                         max_spatial_stream = 2;
                 else
                         max_spatial_stream = 1;
@@ -266,7 +262,7 @@ static void _rtl92se_query_rxphystatus(struct ieee80211_hw *hw,
                 }
         }
 
-        if (is_cck_rate)
+        if (is_cck)
                 pstats->signalstrength = (u8)(_rtl92se_signal_scale_mapping(hw,
                                          pwdb_all));
         else if (rf_rx_num != 0)
@@ -518,6 +514,8 @@ bool rtl92se_rx_query_desc(struct ieee80211_hw *hw, struct rtl_stats *stats,
 {
         struct rx_fwinfo *p_drvinfo;
         u32 phystatus = (u32)GET_RX_STATUS_DESC_PHY_STATUS(pdesc);
+        struct ieee80211_hdr *hdr;
+        bool first_ampdu = false;
 
         stats->length = (u16)GET_RX_STATUS_DESC_PKT_LEN(pdesc);
         stats->rx_drvinfo_size = (u8)GET_RX_STATUS_DESC_DRVINFO_SIZE(pdesc) * 8;
@@ -530,8 +528,12 @@ bool rtl92se_rx_query_desc(struct ieee80211_hw *hw, struct rtl_stats *stats,
         stats->rate = (u8)GET_RX_STATUS_DESC_RX_MCS(pdesc);
         stats->shortpreamble = (u16)GET_RX_STATUS_DESC_SPLCP(pdesc);
         stats->isampdu = (bool)(GET_RX_STATUS_DESC_PAGGR(pdesc) == 1);
+        stats->isfirst_ampdu = (bool) ((GET_RX_STATUS_DESC_PAGGR(pdesc) == 1)
+                               && (GET_RX_STATUS_DESC_FAGGR(pdesc) == 1));
         stats->timestamp_low = GET_RX_STATUS_DESC_TSFL(pdesc);
         stats->rx_is40Mhzpacket = (bool)GET_RX_STATUS_DESC_BW(pdesc);
+        stats->is_ht = (bool)GET_RX_STATUS_DESC_RX_HT(pdesc);
+        stats->is_cck = SE_RX_HAL_IS_CCK_RATE(pdesc);
 
         if (stats->hwerror)
                 return false;
@@ -539,30 +541,39 @@ bool rtl92se_rx_query_desc(struct ieee80211_hw *hw, struct rtl_stats *stats,
         rx_status->freq = hw->conf.channel->center_freq;
         rx_status->band = hw->conf.channel->band;
 
-        if (GET_RX_STATUS_DESC_CRC32(pdesc))
-                rx_status->flag |= RX_FLAG_FAILED_FCS_CRC;
+        hdr = (struct ieee80211_hdr *)(skb->data + stats->rx_drvinfo_size
+              + stats->rx_bufshift);
 
-        if (!GET_RX_STATUS_DESC_SWDEC(pdesc))
-                rx_status->flag |= RX_FLAG_DECRYPTED;
+        if (stats->crc)
+                rx_status->flag |= RX_FLAG_FAILED_FCS_CRC;
 
-        if (GET_RX_STATUS_DESC_BW(pdesc))
+        if (stats->rx_is40Mhzpacket)
                 rx_status->flag |= RX_FLAG_40MHZ;
 
-        if (GET_RX_STATUS_DESC_RX_HT(pdesc))
+        if (stats->is_ht)
                 rx_status->flag |= RX_FLAG_HT;
 
         rx_status->flag |= RX_FLAG_MACTIME_MPDU;
 
-        if (stats->decrypted)
-                rx_status->flag |= RX_FLAG_DECRYPTED;
+        /* hw will set stats->decrypted true, if it finds the
+         * frame is open data frame or mgmt frame,
+         * hw will not decrypt robust managment frame
+         * for IEEE80211w but still set stats->decrypted
+         * true, so here we should set it back to undecrypted
+         * for IEEE80211w frame, and mac80211 sw will help
+         * to decrypt it */
+        if (stats->decrypted) {
+                if ((ieee80211_is_robust_mgmt_frame(hdr)) &&
+                        (ieee80211_has_protected(hdr->frame_control)))
+                        rx_status->flag &= ~RX_FLAG_DECRYPTED;
+                else
+                        rx_status->flag |= RX_FLAG_DECRYPTED;
+        }
 
         rx_status->rate_idx = rtlwifi_rate_mapping(hw,
-                                (bool)GET_RX_STATUS_DESC_RX_HT(pdesc),
-                                (u8)GET_RX_STATUS_DESC_RX_MCS(pdesc),
-                                (bool)GET_RX_STATUS_DESC_PAGGR(pdesc));
-
+                              stats->is_ht, stats->rate, first_ampdu);
 
-        rx_status->mactime = GET_RX_STATUS_DESC_TSFL(pdesc);
+        rx_status->mactime = stats->timestamp_low;
         if (phystatus) {
                 p_drvinfo = (struct rx_fwinfo *)(skb->data +
                                                  stats->rx_bufshift);
diff --git a/drivers/net/wireless/rtlwifi/wifi.h b/drivers/net/wireless/rtlwifi/wifi.h
index ae42cf8c2abf..713c7ddba8eb 100644
--- a/drivers/net/wireless/rtlwifi/wifi.h
+++ b/drivers/net/wireless/rtlwifi/wifi.h
@@ -450,6 +450,7 @@ enum rtl_var_map {
         EFUSE_HWSET_MAX_SIZE,
         EFUSE_MAX_SECTION_MAP,
         EFUSE_REAL_CONTENT_SIZE,
+        EFUSE_OOB_PROTECT_BYTES_LEN,
 
         /*CAM map */
         RWCAM,
@@ -1324,6 +1325,7 @@ struct rtl_stats {
         s8 rx_mimo_signalquality[2];
         bool packet_matchbssid;
         bool is_cck;
+        bool is_ht;
         bool packet_toself;
         bool packet_beacon;     /*for rssi */
         char cck_adc_pwdb[4];   /*for rx path selection */