Driver rtl8192cu has not had very high throughput, and it has not maintained
a stable connection. This set of patches improve the gain control routines,
which helps solve both problems.
Signed-off-by: Larry Finger <[email protected]>
Larry Finger (12):
rtlwifi: rtl8192c: Prevent reconnect attempts if not connected
rtlwifi: rtl8192cu: Add new firmware
rtlwifi: Redo register save locations
rtlwifi: Set the link state
rtlwifi: rtl8192c: Add new definitions in the dm_common header
rtlwifi: Increase the RX queue length for USB drivers
rtlwifi: Update beacon statistics for USB driver
rtlwifi: rtl8192c: Add routines to save/restore power index registers
rtlwifi: rtl8192cu: Update the power index registers
rtlwifi: rtl8192cu: Fix some code in RF handling
rtlwifi: Add missing code to PWDB statics routine
rtlwifi: rtl8192c: Update dynamic gain calculations
drivers/net/wireless/rtlwifi/base.c | 3 +-
drivers/net/wireless/rtlwifi/core.c | 11 +
drivers/net/wireless/rtlwifi/rtl8192c/dm_common.c | 318 +++++++++++++++-------
drivers/net/wireless/rtlwifi/rtl8192c/dm_common.h | 14 +
drivers/net/wireless/rtlwifi/rtl8192cu/dm.c | 6 +
drivers/net/wireless/rtlwifi/rtl8192cu/dm.h | 3 +
drivers/net/wireless/rtlwifi/rtl8192cu/rf.c | 27 +-
drivers/net/wireless/rtlwifi/rtl8192cu/sw.c | 16 +-
drivers/net/wireless/rtlwifi/stats.c | 14 +
drivers/net/wireless/rtlwifi/usb.c | 4 +-
drivers/net/wireless/rtlwifi/wifi.h | 33 +--
11 files changed, 317 insertions(+), 132 deletions(-)
--
1.8.4
The USB drivers were not updating the beacon statistics, which led to
false beacon loss indications.
Signed-off-by: Larry Finger <[email protected]>
Cc: Stable <[email protected]>
---
drivers/net/wireless/rtlwifi/usb.c | 2 ++
1 file changed, 2 insertions(+)
diff --git a/drivers/net/wireless/rtlwifi/usb.c b/drivers/net/wireless/rtlwifi/usb.c
index 75481d2..2d56d90 100644
--- a/drivers/net/wireless/rtlwifi/usb.c
+++ b/drivers/net/wireless/rtlwifi/usb.c
@@ -483,6 +483,8 @@ static void _rtl_usb_rx_process_agg(struct ieee80211_hw *hw,
if (unicast)
rtlpriv->link_info.num_rx_inperiod++;
}
+ /* static bcn for roaming */
+ rtl_beacon_statistic(hw, skb);
}
}
--
1.8.4
Signed-off-by: Larry Finger <[email protected]>
Cc: Stable <[email protected]>
---
drivers/net/wireless/rtlwifi/rtl8192cu/rf.c | 27 ++++++++++++++-------------
1 file changed, 14 insertions(+), 13 deletions(-)
Index: wireless-testing/drivers/net/wireless/rtlwifi/rtl8192cu/rf.c
===================================================================
--- wireless-testing.orig/drivers/net/wireless/rtlwifi/rtl8192cu/rf.c
+++ wireless-testing/drivers/net/wireless/rtlwifi/rtl8192cu/rf.c
@@ -85,17 +85,15 @@ void rtl92cu_phy_rf6052_set_cck_txpower(
if (mac->act_scanning) {
tx_agc[RF90_PATH_A] = 0x3f3f3f3f;
tx_agc[RF90_PATH_B] = 0x3f3f3f3f;
- if (turbo_scanoff) {
- for (idx1 = RF90_PATH_A; idx1 <= RF90_PATH_B; idx1++) {
- tx_agc[idx1] = ppowerlevel[idx1] |
- (ppowerlevel[idx1] << 8) |
- (ppowerlevel[idx1] << 16) |
- (ppowerlevel[idx1] << 24);
- if (rtlhal->interface == INTF_USB) {
- if (tx_agc[idx1] > 0x20 &&
- rtlefuse->external_pa)
- tx_agc[idx1] = 0x20;
- }
+ for (idx1 = RF90_PATH_A; idx1 <= RF90_PATH_B; idx1++) {
+ tx_agc[idx1] = ppowerlevel[idx1] |
+ (ppowerlevel[idx1] << 8) |
+ (ppowerlevel[idx1] << 16) |
+ (ppowerlevel[idx1] << 24);
+ if (rtlhal->interface == INTF_USB) {
+ if (tx_agc[idx1] > 0x20 &&
+ rtlefuse->external_pa)
+ tx_agc[idx1] = 0x20;
}
}
} else {
@@ -107,7 +105,7 @@ void rtl92cu_phy_rf6052_set_cck_txpower(
TXHIGHPWRLEVEL_LEVEL2) {
tx_agc[RF90_PATH_A] = 0x00000000;
tx_agc[RF90_PATH_B] = 0x00000000;
- } else{
+ } else {
for (idx1 = RF90_PATH_A; idx1 <= RF90_PATH_B; idx1++) {
tx_agc[idx1] = ppowerlevel[idx1] |
(ppowerlevel[idx1] << 8) |
@@ -373,7 +371,12 @@ static void _rtl92c_write_ofdm_power_reg
regoffset == RTXAGC_B_MCS07_MCS04)
regoffset = 0xc98;
for (i = 0; i < 3; i++) {
- writeVal = (writeVal > 6) ? (writeVal - 6) : 0;
+ if (i != 2)
+ writeVal = (writeVal > 8) ?
+ (writeVal - 8) : 0;
+ else
+ writeVal = (writeVal > 6) ?
+ (writeVal - 6) : 0;
rtl_write_byte(rtlpriv, (u32)(regoffset + i),
(u8)writeVal);
}
This patch uses the newly introduced power index register routines.
Signed-off-by: Larry Finger <[email protected]>
Cc: Stable <[email protected]>
---
drivers/net/wireless/rtlwifi/rtl8192cu/dm.c | 6 ++++++
drivers/net/wireless/rtlwifi/rtl8192cu/dm.h | 3 +++
2 files changed, 9 insertions(+)
Index: wireless-testing/drivers/net/wireless/rtlwifi/rtl8192cu/dm.c
===================================================================
--- wireless-testing.orig/drivers/net/wireless/rtlwifi/rtl8192cu/dm.c
+++ wireless-testing/drivers/net/wireless/rtlwifi/rtl8192cu/dm.c
@@ -101,6 +101,15 @@ void rtl92cu_dm_dynamic_txpower(struct i
"PHY_SetTxPowerLevel8192S() Channel = %d\n",
rtlphy->current_channel);
rtl92c_phy_set_txpower_level(hw, rtlphy->current_channel);
+ if (rtlpriv->dm.dynamic_txhighpower_lvl ==
+ TXHIGHPWRLEVEL_NORMAL)
+ dm_restorepowerindex(hw);
+ else if (rtlpriv->dm.dynamic_txhighpower_lvl ==
+ TXHIGHPWRLEVEL_LEVEL1)
+ dm_writepowerindex(hw, 0x14);
+ else if (rtlpriv->dm.dynamic_txhighpower_lvl ==
+ TXHIGHPWRLEVEL_LEVEL2)
+ dm_writepowerindex(hw, 0x10);
}
rtlpriv->dm.last_dtp_lvl = rtlpriv->dm.dynamic_txhighpower_lvl;
Index: wireless-testing/drivers/net/wireless/rtlwifi/rtl8192cu/dm.h
===================================================================
--- wireless-testing.orig/drivers/net/wireless/rtlwifi/rtl8192cu/dm.h
+++ wireless-testing/drivers/net/wireless/rtlwifi/rtl8192cu/dm.h
@@ -30,3 +30,6 @@
#include "../rtl8192ce/dm.h"
void rtl92cu_dm_dynamic_txpower(struct ieee80211_hw *hw);
+void dm_savepowerindex(struct ieee80211_hw *hw);
+void dm_writepowerindex(struct ieee80211_hw *hw, u8 value);
+void dm_restorepowerindex(struct ieee80211_hw *hw);
Changes in the gain-control mechanism will require some changes in the header.
Signed-off-by: Larry Finger <[email protected]>
Cc: Stable <[email protected]>
---
drivers/net/wireless/rtlwifi/rtl8192c/dm_common.h | 14 ++++++++++++++
1 file changed, 14 insertions(+)
diff --git a/drivers/net/wireless/rtlwifi/rtl8192c/dm_common.h b/drivers/net/wireless/rtlwifi/rtl8192c/dm_common.h
index 518e208..4f232a0 100644
--- a/drivers/net/wireless/rtlwifi/rtl8192c/dm_common.h
+++ b/drivers/net/wireless/rtlwifi/rtl8192c/dm_common.h
@@ -91,6 +91,17 @@
#define TX_POWER_NEAR_FIELD_THRESH_LVL2 74
#define TX_POWER_NEAR_FIELD_THRESH_LVL1 67
+#define DYNAMIC_FUNC_DISABLE 0x0
+#define DYNAMIC_FUNC_DIG BIT(0)
+#define DYNAMIC_FUNC_HP BIT(1)
+#define DYNAMIC_FUNC_SS BIT(2) /*Tx Power Tracking*/
+#define DYNAMIC_FUNC_BT BIT(3)
+#define DYNAMIC_FUNC_ANT_DIV BIT(4)
+
+#define RSSI_CCK 0
+#define RSSI_OFDM 1
+#define RSSI_DEFAULT 2
+
struct swat_t {
u8 failure_cnt;
u8 try_flag;
@@ -167,5 +178,8 @@ void rtl92c_phy_lc_calibrate(struct ieee80211_hw *hw);
void rtl92c_phy_iq_calibrate(struct ieee80211_hw *hw, bool recovery);
void rtl92c_dm_dynamic_txpower(struct ieee80211_hw *hw);
void rtl92c_dm_bt_coexist(struct ieee80211_hw *hw);
+void dm_savepowerindex(struct ieee80211_hw *hw);
+void dm_writepowerindex(struct ieee80211_hw *hw, u8 value);
+void dm_restorepowerindex(struct ieee80211_hw *hw);
#endif
--
1.8.4
The present code fails to set the linked state when an interface is
added.
Signed-off-by: Larry Finger <[email protected]>
Cc: Stable <[email protected]>
---
drivers/net/wireless/rtlwifi/core.c | 1 +
1 file changed, 1 insertion(+)
diff --git a/drivers/net/wireless/rtlwifi/core.c b/drivers/net/wireless/rtlwifi/core.c
index 0f12cd3..3550e8a 100644
--- a/drivers/net/wireless/rtlwifi/core.c
+++ b/drivers/net/wireless/rtlwifi/core.c
@@ -194,6 +194,7 @@ static int rtl_op_add_interface(struct ieee80211_hw *hw,
rtlpriv->cfg->maps
[RTL_IBSS_INT_MASKS]);
}
+ mac->link_state = MAC80211_LINKED;
break;
case NL80211_IFTYPE_ADHOC:
RT_TRACE(rtlpriv, COMP_MAC80211, DBG_LOUD,
--
1.8.4
The vendor driver contained a number of improvements in the gain settings
for the rtl8192c{e,u} devices. This patch implements them in the kernel
driver.
Signed-off-by: Larry Finger <[email protected]>
Cc: Stable <[email protected]>
---
drivers/net/wireless/rtlwifi/rtl8192c/dm_common.c | 282 ++++++++++++++--------
1 file changed, 184 insertions(+), 98 deletions(-)
Index: wireless-testing/drivers/net/wireless/rtlwifi/rtl8192c/dm_common.c
===================================================================
--- wireless-testing.orig/drivers/net/wireless/rtlwifi/rtl8192c/dm_common.c
+++ wireless-testing/drivers/net/wireless/rtlwifi/rtl8192c/dm_common.c
@@ -216,7 +216,12 @@ static void rtl92c_dm_diginit(struct iee
dm_digtable->back_range_max = DM_DIG_BACKOFF_MAX;
dm_digtable->back_range_min = DM_DIG_BACKOFF_MIN;
dm_digtable->pre_cck_pd_state = CCK_PD_STAGE_MAX;
- dm_digtable->cur_cck_pd_state = CCK_PD_STAGE_MAX;
+ dm_digtable->cur_cck_pd_state = CCK_PD_STAGE_LowRssi;
+
+ dm_digtable->forbidden_igi = DM_DIG_MIN;
+ dm_digtable->large_fa_hit = 0;
+ dm_digtable->recover_cnt = 0;
+ dm_digtable->dig_dynamic_min = 0x25;
}
static u8 rtl92c_dm_initial_gain_min_pwdb(struct ieee80211_hw *hw)
@@ -242,7 +247,9 @@ static u8 rtl92c_dm_initial_gain_min_pwd
rssi_val_min = rtlpriv->dm.entry_min_undec_sm_pwdb;
}
- return (u8) rssi_val_min;
+ if (rssi_val_min > 100)
+ rssi_val_min = 100;
+ return (u8)rssi_val_min;
}
static void rtl92c_dm_false_alarm_counter_statistics(struct ieee80211_hw *hw)
@@ -260,9 +267,17 @@ static void rtl92c_dm_false_alarm_counte
ret_value = rtl_get_bbreg(hw, ROFDM_PHYCOUNTER3, MASKDWORD);
falsealm_cnt->cnt_mcs_fail = (ret_value & 0xffff);
+
+ ret_value = rtl_get_bbreg(hw, ROFDM0_FRAMESYNC, MASKDWORD);
+ falsealm_cnt->cnt_fast_fsync_fail = (ret_value & 0xffff);
+ falsealm_cnt->cnt_sb_search_fail = ((ret_value & 0xffff0000) >> 16);
+
falsealm_cnt->cnt_ofdm_fail = falsealm_cnt->cnt_parity_fail +
- falsealm_cnt->cnt_rate_illegal +
- falsealm_cnt->cnt_crc8_fail + falsealm_cnt->cnt_mcs_fail;
+ falsealm_cnt->cnt_rate_illegal +
+ falsealm_cnt->cnt_crc8_fail +
+ falsealm_cnt->cnt_mcs_fail +
+ falsealm_cnt->cnt_fast_fsync_fail +
+ falsealm_cnt->cnt_sb_search_fail;
rtl_set_bbreg(hw, RCCK0_FALSEALARMREPORT, BIT(14), 1);
ret_value = rtl_get_bbreg(hw, RCCK0_FACOUNTERLOWER, MASKBYTE0);
@@ -307,12 +322,14 @@ static void rtl92c_dm_ctrl_initgain_by_f
value_igi++;
else if (rtlpriv->falsealm_cnt.cnt_all >= DM_DIG_FA_TH2)
value_igi += 2;
+
if (value_igi > DM_DIG_FA_UPPER)
value_igi = DM_DIG_FA_UPPER;
else if (value_igi < DM_DIG_FA_LOWER)
value_igi = DM_DIG_FA_LOWER;
+
if (rtlpriv->falsealm_cnt.cnt_all > 10000)
- value_igi = 0x32;
+ value_igi = DM_DIG_FA_UPPER;
dm_digtable->cur_igvalue = value_igi;
rtl92c_dm_write_dig(hw);
@@ -322,32 +339,80 @@ static void rtl92c_dm_ctrl_initgain_by_r
{
struct rtl_priv *rtlpriv = rtl_priv(hw);
struct dig_t *digtable = &rtlpriv->dm_digtable;
+ u32 isbt;
- if (rtlpriv->falsealm_cnt.cnt_all > digtable->fa_highthresh) {
- if ((digtable->back_val - 2) < digtable->back_range_min)
- digtable->back_val = digtable->back_range_min;
- else
- digtable->back_val -= 2;
- } else if (rtlpriv->falsealm_cnt.cnt_all < digtable->fa_lowthresh) {
- if ((digtable->back_val + 2) > digtable->back_range_max)
- digtable->back_val = digtable->back_range_max;
- else
- digtable->back_val += 2;
+ /* modify DIG lower bound, deal with abnorally large false alarm */
+ if (rtlpriv->falsealm_cnt.cnt_all > 10000) {
+ digtable->large_fa_hit++;
+ if (digtable->forbidden_igi < digtable->cur_igvalue) {
+ digtable->forbidden_igi = digtable->cur_igvalue;
+ digtable->large_fa_hit = 1;
+ }
+
+ if (digtable->large_fa_hit >= 3) {
+ if ((digtable->forbidden_igi + 1) >
+ digtable->rx_gain_max)
+ digtable->rx_gain_min = digtable->rx_gain_max;
+ else
+ digtable->rx_gain_min = (digtable->forbidden_igi + 1);
+ digtable->recover_cnt = 3600; /* 3600=2hr */
+ }
+ } else {
+ /* Recovery mechanism for IGI lower bound */
+ if (digtable->recover_cnt != 0) {
+ digtable->recover_cnt--;
+ } else {
+ if (digtable->large_fa_hit == 0) {
+ if ((digtable->forbidden_igi-1) < DM_DIG_MIN) {
+ digtable->forbidden_igi = DM_DIG_MIN;
+ digtable->rx_gain_min = DM_DIG_MIN;
+ } else {
+ digtable->forbidden_igi--;
+ digtable->rx_gain_min = digtable->forbidden_igi + 1;
+ }
+ } else if (digtable->large_fa_hit == 3) {
+ digtable->large_fa_hit = 0;
+ }
+ }
}
+ if (rtlpriv->falsealm_cnt.cnt_all < 250) {
+ isbt = rtl_read_byte(rtlpriv, 0x4fd) & 0x01;
- if ((digtable->rssi_val_min + 10 - digtable->back_val) >
- digtable->rx_gain_max)
+ if (!isbt) {
+ if (rtlpriv->falsealm_cnt.cnt_all >
+ digtable->fa_lowthresh) {
+ if ((digtable->back_val - 2) <
+ digtable->back_range_min)
+ digtable->back_val = digtable->back_range_min;
+ else
+ digtable->back_val -= 2;
+ } else if (rtlpriv->falsealm_cnt.cnt_all <
+ digtable->fa_lowthresh) {
+ if ((digtable->back_val + 2) >
+ digtable->back_range_max)
+ digtable->back_val = digtable->back_range_max;
+ else
+ digtable->back_val += 2;
+ }
+ } else {
+ digtable->back_val = DM_DIG_BACKOFF_DEFAULT;
+ }
+ } else {
+ /* Adjust initial gain by false alarm */
+ if (rtlpriv->falsealm_cnt.cnt_all > 1000)
+ digtable->cur_igvalue = digtable->pre_igvalue + 2;
+ else if (rtlpriv->falsealm_cnt.cnt_all > 750)
+ digtable->cur_igvalue = digtable->pre_igvalue + 1;
+ else if (rtlpriv->falsealm_cnt.cnt_all < 500)
+ digtable->cur_igvalue = digtable->pre_igvalue - 1;
+ }
+
+ /* Check initial gain by upper/lower bound */
+ if (digtable->cur_igvalue > digtable->rx_gain_max)
digtable->cur_igvalue = digtable->rx_gain_max;
- else if ((digtable->rssi_val_min + 10 -
- digtable->back_val) < digtable->rx_gain_min)
- digtable->cur_igvalue = digtable->rx_gain_min;
- else
- digtable->cur_igvalue = digtable->rssi_val_min + 10 -
- digtable->back_val;
- RT_TRACE(rtlpriv, COMP_DIG, DBG_TRACE,
- "rssi_val_min = %x back_val %x\n",
- digtable->rssi_val_min, digtable->back_val);
+ if (digtable->cur_igvalue < digtable->rx_gain_min)
+ digtable->cur_igvalue = digtable->rx_gain_min;
rtl92c_dm_write_dig(hw);
}
@@ -365,7 +430,7 @@ static void rtl92c_dm_initial_gain_multi
multi_sta = true;
if (!multi_sta ||
- dm_digtable->cursta_cstate != DIG_STA_DISCONNECT) {
+ dm_digtable->cursta_cstate == DIG_STA_DISCONNECT) {
initialized = false;
dm_digtable->dig_ext_port_stage = DIG_EXT_PORT_STAGE_MAX;
return;
@@ -411,7 +476,6 @@ static void rtl92c_dm_initial_gain_sta(s
RT_TRACE(rtlpriv, COMP_DIG, DBG_TRACE,
"presta_cstate = %x, cursta_cstate = %x\n",
dm_digtable->presta_cstate, dm_digtable->cursta_cstate);
-
if (dm_digtable->presta_cstate == dm_digtable->cursta_cstate ||
dm_digtable->cursta_cstate == DIG_STA_BEFORE_CONNECT ||
dm_digtable->cursta_cstate == DIG_STA_CONNECT) {
@@ -419,6 +483,8 @@ static void rtl92c_dm_initial_gain_sta(s
if (dm_digtable->cursta_cstate != DIG_STA_DISCONNECT) {
dm_digtable->rssi_val_min =
rtl92c_dm_initial_gain_min_pwdb(hw);
+ if (dm_digtable->rssi_val_min > 100)
+ dm_digtable->rssi_val_min = 100;
rtl92c_dm_ctrl_initgain_by_rssi(hw);
}
} else {
@@ -434,11 +500,12 @@ static void rtl92c_dm_initial_gain_sta(s
static void rtl92c_dm_cck_packet_detection_thresh(struct ieee80211_hw *hw)
{
struct rtl_priv *rtlpriv = rtl_priv(hw);
- struct rtl_hal *rtlhal = rtl_hal(rtl_priv(hw));
struct dig_t *dm_digtable = &rtlpriv->dm_digtable;
if (dm_digtable->cursta_cstate == DIG_STA_CONNECT) {
dm_digtable->rssi_val_min = rtl92c_dm_initial_gain_min_pwdb(hw);
+ if (dm_digtable->rssi_val_min > 100)
+ dm_digtable->rssi_val_min = 100;
if (dm_digtable->pre_cck_pd_state == CCK_PD_STAGE_LowRssi) {
if (dm_digtable->rssi_val_min <= 25)
@@ -460,48 +527,14 @@ static void rtl92c_dm_cck_packet_detecti
}
if (dm_digtable->pre_cck_pd_state != dm_digtable->cur_cck_pd_state) {
- if (dm_digtable->cur_cck_pd_state == CCK_PD_STAGE_LowRssi) {
- if (rtlpriv->falsealm_cnt.cnt_cck_fail > 800)
- dm_digtable->cur_cck_fa_state =
- CCK_FA_STAGE_High;
- else
- dm_digtable->cur_cck_fa_state = CCK_FA_STAGE_Low;
-
- if (dm_digtable->pre_cck_fa_state !=
- dm_digtable->cur_cck_fa_state) {
- if (dm_digtable->cur_cck_fa_state ==
- CCK_FA_STAGE_Low)
- rtl_set_bbreg(hw, RCCK0_CCA, MASKBYTE2,
- 0x83);
- else
- rtl_set_bbreg(hw, RCCK0_CCA, MASKBYTE2,
- 0xcd);
-
- dm_digtable->pre_cck_fa_state =
- dm_digtable->cur_cck_fa_state;
- }
-
- rtl_set_bbreg(hw, RCCK0_SYSTEM, MASKBYTE1, 0x40);
-
- if (IS_92C_SERIAL(rtlhal->version))
- rtl_set_bbreg(hw, RCCK0_FALSEALARMREPORT,
- MASKBYTE2, 0xd7);
- } else {
+ if ((dm_digtable->cur_cck_pd_state == CCK_PD_STAGE_LowRssi) ||
+ (dm_digtable->cur_cck_pd_state == CCK_PD_STAGE_MAX))
+ rtl_set_bbreg(hw, RCCK0_CCA, MASKBYTE2, 0x83);
+ else
rtl_set_bbreg(hw, RCCK0_CCA, MASKBYTE2, 0xcd);
- rtl_set_bbreg(hw, RCCK0_SYSTEM, MASKBYTE1, 0x47);
- if (IS_92C_SERIAL(rtlhal->version))
- rtl_set_bbreg(hw, RCCK0_FALSEALARMREPORT,
- MASKBYTE2, 0xd3);
- }
dm_digtable->pre_cck_pd_state = dm_digtable->cur_cck_pd_state;
}
-
- RT_TRACE(rtlpriv, COMP_DIG, DBG_TRACE, "CCKPDStage=%x\n",
- dm_digtable->cur_cck_pd_state);
-
- RT_TRACE(rtlpriv, COMP_DIG, DBG_TRACE, "is92C=%x\n",
- IS_92C_SERIAL(rtlhal->version));
}
static void rtl92c_dm_ctrl_initgain_by_twoport(struct ieee80211_hw *hw)
@@ -518,6 +551,8 @@ static void rtl92c_dm_ctrl_initgain_by_t
else
dm_digtable->cursta_cstate = DIG_STA_DISCONNECT;
+ dm_digtable->curmultista_cstate = DIG_MULTISTA_DISCONNECT;
+
rtl92c_dm_initial_gain_sta(hw);
rtl92c_dm_initial_gain_multi_sta(hw);
rtl92c_dm_cck_packet_detection_thresh(hw);
@@ -529,23 +564,26 @@ static void rtl92c_dm_ctrl_initgain_by_t
static void rtl92c_dm_dig(struct ieee80211_hw *hw)
{
struct rtl_priv *rtlpriv = rtl_priv(hw);
- struct dig_t *dm_digtable = &rtlpriv->dm_digtable;
if (rtlpriv->dm.dm_initialgain_enable == false)
return;
- if (dm_digtable->dig_enable_flag == false)
+ if (!rtlpriv->dm.dm_flag & DYNAMIC_FUNC_DIG)
return;
rtl92c_dm_ctrl_initgain_by_twoport(hw);
-
}
static void rtl92c_dm_init_dynamic_txpower(struct ieee80211_hw *hw)
{
struct rtl_priv *rtlpriv = rtl_priv(hw);
- rtlpriv->dm.dynamic_txpower_enable = false;
-
+ if (rtlpriv->rtlhal.interface == INTF_USB &&
+ rtlpriv->rtlhal.board_type & 0x1) {
+ dm_savepowerindex(hw);
+ rtlpriv->dm.dynamic_txpower_enable = true;
+ } else {
+ rtlpriv->dm.dynamic_txpower_enable = false;
+ }
rtlpriv->dm.last_dtp_lvl = TXHIGHPWRLEVEL_NORMAL;
rtlpriv->dm.dynamic_txhighpower_lvl = TXHIGHPWRLEVEL_NORMAL;
}
@@ -560,9 +598,14 @@ void rtl92c_dm_write_dig(struct ieee8021
dm_digtable->cur_igvalue, dm_digtable->pre_igvalue,
dm_digtable->back_val);
- dm_digtable->cur_igvalue += 2;
- if (dm_digtable->cur_igvalue > 0x3f)
- dm_digtable->cur_igvalue = 0x3f;
+ if (rtlpriv->rtlhal.interface == INTF_USB &&
+ !dm_digtable->dig_enable_flag) {
+ dm_digtable->pre_igvalue = 0x17;
+ return;
+ }
+ dm_digtable->cur_igvalue -= 1;
+ if (dm_digtable->cur_igvalue < DM_DIG_MIN)
+ dm_digtable->cur_igvalue = DM_DIG_MIN;
if (dm_digtable->pre_igvalue != dm_digtable->cur_igvalue) {
rtl_set_bbreg(hw, ROFDM0_XAAGCCORE1, 0x7f,
@@ -572,11 +615,47 @@ void rtl92c_dm_write_dig(struct ieee8021
dm_digtable->pre_igvalue = dm_digtable->cur_igvalue;
}
+ RT_TRACE(rtlpriv, COMP_DIG, DBG_WARNING,
+ "dig values 0x%x 0x%x 0x%x 0x%x 0x%x 0x%x 0x%x 0x%x\n",
+ dm_digtable->cur_igvalue, dm_digtable->pre_igvalue,
+ dm_digtable->rssi_val_min, dm_digtable->back_val,
+ dm_digtable->rx_gain_max, dm_digtable->rx_gain_min,
+ dm_digtable->large_fa_hit, dm_digtable->forbidden_igi);
}
EXPORT_SYMBOL(rtl92c_dm_write_dig);
static void rtl92c_dm_pwdb_monitor(struct ieee80211_hw *hw)
{
+ struct rtl_priv *rtlpriv = rtl_priv(hw);
+ struct rtl_mac *mac = rtl_mac(rtl_priv(hw));
+ long tmpentry_max_pwdb = 0, tmpentry_min_pwdb = 0xff;
+
+ if (mac->link_state != MAC80211_LINKED)
+ return;
+
+ if (mac->opmode == NL80211_IFTYPE_ADHOC ||
+ mac->opmode == NL80211_IFTYPE_AP) {
+ /* TODO: Handle ADHOC and AP Mode */
+ }
+
+ if (tmpentry_max_pwdb != 0)
+ rtlpriv->dm.entry_max_undec_sm_pwdb = tmpentry_max_pwdb;
+ else
+ rtlpriv->dm.entry_max_undec_sm_pwdb = 0;
+
+ if (tmpentry_min_pwdb != 0xff)
+ rtlpriv->dm.entry_min_undec_sm_pwdb = tmpentry_min_pwdb;
+ else
+ rtlpriv->dm.entry_min_undec_sm_pwdb = 0;
+
+/* TODO:
+ * if (mac->opmode == NL80211_IFTYPE_STATION) {
+ * if (rtlpriv->rtlhal.fw_ready) {
+ * u32 param = (u32)(rtlpriv->dm.undec_sm_pwdb << 16);
+ * rtl8192c_set_rssi_cmd(hw, param);
+ * }
+ * }
+ */
}
void rtl92c_dm_init_edca_turbo(struct ieee80211_hw *hw)
@@ -786,6 +865,7 @@ static void rtl92c_dm_txpower_tracking_c
rtlpriv->dm.ofdm_index[i] = ofdm_index_old[i];
rtlpriv->dm.cck_index = cck_index_old;
}
+ /* Handle USB High PA boards */
delta = (thermalvalue > rtlpriv->dm.thermalvalue) ?
(thermalvalue - rtlpriv->dm.thermalvalue) :
@@ -1176,22 +1256,22 @@ void rtl92c_dm_rf_saving(struct ieee8021
{
struct rtl_priv *rtlpriv = rtl_priv(hw);
struct ps_t *dm_pstable = &rtlpriv->dm_pstable;
- static u8 initialize;
- static u32 reg_874, reg_c70, reg_85c, reg_a74;
- if (initialize == 0) {
- reg_874 = (rtl_get_bbreg(hw, RFPGA0_XCD_RFINTERFACESW,
- MASKDWORD) & 0x1CC000) >> 14;
+ if (!rtlpriv->reg_init) {
+ rtlpriv->reg_874 = (rtl_get_bbreg(hw,
+ RFPGA0_XCD_RFINTERFACESW,
+ MASKDWORD) & 0x1CC000) >> 14;
- reg_c70 = (rtl_get_bbreg(hw, ROFDM0_AGCPARAMETER1,
- MASKDWORD) & BIT(3)) >> 3;
+ rtlpriv->reg_c70 = (rtl_get_bbreg(hw, ROFDM0_AGCPARAMETER1,
+ MASKDWORD) & BIT(3)) >> 3;
- reg_85c = (rtl_get_bbreg(hw, RFPGA0_XCD_SWITCHCONTROL,
- MASKDWORD) & 0xFF000000) >> 24;
+ rtlpriv->reg_85c = (rtl_get_bbreg(hw, RFPGA0_XCD_SWITCHCONTROL,
+ MASKDWORD) & 0xFF000000) >> 24;
- reg_a74 = (rtl_get_bbreg(hw, 0xa74, MASKDWORD) & 0xF000) >> 12;
+ rtlpriv->reg_a74 = (rtl_get_bbreg(hw, 0xa74, MASKDWORD) &
+ 0xF000) >> 12;
- initialize = 1;
+ rtlpriv->reg_init = true;
}
if (!bforce_in_normal) {
@@ -1228,12 +1308,12 @@ void rtl92c_dm_rf_saving(struct ieee8021
rtl_set_bbreg(hw, 0x818, BIT(28), 0x1);
} else {
rtl_set_bbreg(hw, RFPGA0_XCD_RFINTERFACESW,
- 0x1CC000, reg_874);
+ 0x1CC000, rtlpriv->reg_874);
rtl_set_bbreg(hw, ROFDM0_AGCPARAMETER1, BIT(3),
- reg_c70);
+ rtlpriv->reg_c70);
rtl_set_bbreg(hw, RFPGA0_XCD_SWITCHCONTROL, 0xFF000000,
- reg_85c);
- rtl_set_bbreg(hw, 0xa74, 0xF000, reg_a74);
+ rtlpriv->reg_85c);
+ rtl_set_bbreg(hw, 0xa74, 0xF000, rtlpriv->reg_a74);
rtl_set_bbreg(hw, 0x818, BIT(28), 0x0);
}
@@ -1249,6 +1329,7 @@ static void rtl92c_dm_dynamic_bb_powersa
struct rtl_mac *mac = rtl_mac(rtl_priv(hw));
struct rtl_hal *rtlhal = rtl_hal(rtl_priv(hw));
+ /* Determine the minimum RSSI */
if (((mac->link_state == MAC80211_NOLINK)) &&
(rtlpriv->dm.entry_min_undec_sm_pwdb == 0)) {
dm_pstable->rssi_val_min = 0;
@@ -1277,6 +1358,7 @@ static void rtl92c_dm_dynamic_bb_powersa
dm_pstable->rssi_val_min);
}
+ /* Power Saving for 92C */
if (IS_92C_SERIAL(rtlhal->version))
;/* rtl92c_dm_1r_cca(hw); */
else
@@ -1288,12 +1370,23 @@ void rtl92c_dm_init(struct ieee80211_hw
struct rtl_priv *rtlpriv = rtl_priv(hw);
rtlpriv->dm.dm_type = DM_TYPE_BYDRIVER;
+ rtlpriv->dm.dm_flag = DYNAMIC_FUNC_DISABLE | DYNAMIC_FUNC_DIG;
+ rtlpriv->dm.undec_sm_pwdb = -1;
+ rtlpriv->dm.undec_sm_cck = -1;
+ rtlpriv->dm.dm_initialgain_enable = true;
rtl92c_dm_diginit(hw);
+
+ rtlpriv->dm.dm_flag |= HAL_DM_HIPWR_DISABLE;
rtl92c_dm_init_dynamic_txpower(hw);
+
rtl92c_dm_init_edca_turbo(hw);
rtl92c_dm_init_rate_adaptive_mask(hw);
+ rtlpriv->dm.dm_flag |= DYNAMIC_FUNC_SS;
rtl92c_dm_initialize_txpower_tracking(hw);
rtl92c_dm_init_dynamic_bb_powersaving(hw);
+
+ rtlpriv->dm.ofdm_pkt_cnt = 0;
+ rtlpriv->dm.dm_rssi_sel = RSSI_DEFAULT;
}
EXPORT_SYMBOL(rtl92c_dm_init);
@@ -1344,7 +1437,7 @@ void rtl92c_dm_dynamic_txpower(struct ie
}
if (undec_sm_pwdb >= TX_POWER_NEAR_FIELD_THRESH_LVL2) {
- rtlpriv->dm.dynamic_txhighpower_lvl = TXHIGHPWRLEVEL_LEVEL1;
+ rtlpriv->dm.dynamic_txhighpower_lvl = TXHIGHPWRLEVEL_LEVEL2;
RT_TRACE(rtlpriv, COMP_POWER, DBG_LOUD,
"TXHIGHPWRLEVEL_LEVEL1 (TxPwr=0x0)\n");
} else if ((undec_sm_pwdb < (TX_POWER_NEAR_FIELD_THRESH_LVL2 - 3)) &&
@@ -1364,8 +1457,16 @@ void rtl92c_dm_dynamic_txpower(struct ie
"PHY_SetTxPowerLevel8192S() Channel = %d\n",
rtlphy->current_channel);
rtl92c_phy_set_txpower_level(hw, rtlphy->current_channel);
+ if (rtlpriv->dm.dynamic_txhighpower_lvl ==
+ TXHIGHPWRLEVEL_NORMAL)
+ dm_restorepowerindex(hw);
+ else if (rtlpriv->dm.dynamic_txhighpower_lvl ==
+ TXHIGHPWRLEVEL_LEVEL1)
+ dm_writepowerindex(hw, 0x14);
+ else if (rtlpriv->dm.dynamic_txhighpower_lvl ==
+ TXHIGHPWRLEVEL_LEVEL2)
+ dm_writepowerindex(hw, 0x10);
}
-
rtlpriv->dm.last_dtp_lvl = rtlpriv->dm.dynamic_txhighpower_lvl;
}
@@ -1436,12 +1537,6 @@ u8 rtl92c_bt_rssi_state_change(struct ie
else
curr_bt_rssi_state &= (~BT_RSSI_STATE_SPECIAL_LOW);
- /* Set Tx Power according to BT status. */
- if (undec_sm_pwdb >= 30)
- curr_bt_rssi_state |= BT_RSSI_STATE_TXPOWER_LOW;
- else if (undec_sm_pwdb < 25)
- curr_bt_rssi_state &= (~BT_RSSI_STATE_TXPOWER_LOW);
-
/* Check BT state related to BT_Idle in B/G mode. */
if (undec_sm_pwdb < 15)
curr_bt_rssi_state |= BT_RSSI_STATE_BG_EDCA_LOW;
Signed-off-by: Larry Finger <[email protected]>
Cc: Stable <[email protected]>
---
drivers/net/wireless/rtlwifi/stats.c | 14 ++++++++++++++
1 file changed, 14 insertions(+)
diff --git a/drivers/net/wireless/rtlwifi/stats.c b/drivers/net/wireless/rtlwifi/stats.c
index 8ed3174..4f083fc 100644
--- a/drivers/net/wireless/rtlwifi/stats.c
+++ b/drivers/net/wireless/rtlwifi/stats.c
@@ -176,6 +176,7 @@ static void rtl_process_pwdb(struct ieee80211_hw *hw, struct rtl_stats *pstatus)
struct rtl_sta_info *drv_priv = NULL;
struct ieee80211_sta *sta = NULL;
long undec_sm_pwdb;
+ long undec_sm_cck;
rcu_read_lock();
if (rtlpriv->mac80211.opmode != NL80211_IFTYPE_STATION)
@@ -185,12 +186,16 @@ static void rtl_process_pwdb(struct ieee80211_hw *hw, struct rtl_stats *pstatus)
if (sta) {
drv_priv = (struct rtl_sta_info *) sta->drv_priv;
undec_sm_pwdb = drv_priv->rssi_stat.undec_sm_pwdb;
+ undec_sm_cck = drv_priv->rssi_stat.undec_sm_cck;
} else {
undec_sm_pwdb = rtlpriv->dm.undec_sm_pwdb;
+ undec_sm_cck = rtlpriv->dm.undec_sm_cck;
}
if (undec_sm_pwdb < 0)
undec_sm_pwdb = pstatus->rx_pwdb_all;
+ if (undec_sm_cck < 0)
+ undec_sm_cck = pstatus->rx_pwdb_all;
if (pstatus->rx_pwdb_all > (u32) undec_sm_pwdb) {
undec_sm_pwdb = (((undec_sm_pwdb) *
(RX_SMOOTH_FACTOR - 1)) +
@@ -200,6 +205,15 @@ static void rtl_process_pwdb(struct ieee80211_hw *hw, struct rtl_stats *pstatus)
undec_sm_pwdb = (((undec_sm_pwdb) * (RX_SMOOTH_FACTOR - 1)) +
(pstatus->rx_pwdb_all)) / (RX_SMOOTH_FACTOR);
}
+ if (pstatus->rx_pwdb_all > (u32) undec_sm_cck) {
+ undec_sm_cck = (((undec_sm_pwdb) *
+ (RX_SMOOTH_FACTOR - 1)) +
+ (pstatus->rx_pwdb_all)) / (RX_SMOOTH_FACTOR);
+ undec_sm_cck = undec_sm_cck + 1;
+ } else {
+ undec_sm_pwdb = (((undec_sm_cck) * (RX_SMOOTH_FACTOR - 1)) +
+ (pstatus->rx_pwdb_all)) / (RX_SMOOTH_FACTOR);
+ }
if (sta) {
drv_priv->rssi_stat.undec_sm_pwdb = undec_sm_pwdb;
--
1.8.4
Signed-off-by: Larry Finger <[email protected]>
Cc: Stable <[email protected]>
---
drivers/net/wireless/rtlwifi/rtl8192c/dm_common.c | 36 +++++++++++++++++++++++
1 file changed, 36 insertions(+)
diff --git a/drivers/net/wireless/rtlwifi/rtl8192c/dm_common.c b/drivers/net/wireless/rtlwifi/rtl8192c/dm_common.c
index a4e9d33..aded51d 100644
--- a/drivers/net/wireless/rtlwifi/rtl8192c/dm_common.c
+++ b/drivers/net/wireless/rtlwifi/rtl8192c/dm_common.c
@@ -158,6 +158,42 @@ static const u8 cckswing_table_ch14[CCK_TABLE_SIZE][8] = {
{0x09, 0x08, 0x07, 0x04, 0x00, 0x00, 0x00, 0x00}
};
+static u32 power_index_reg[6] = {0xc90, 0xc91, 0xc92, 0xc98, 0xc99, 0xc9a};
+
+void dm_restorepowerindex(struct ieee80211_hw *hw)
+{
+ struct rtl_priv *rtlpriv = rtl_priv(hw);
+ u8 index;
+
+ for (index = 0; index < 6; index++)
+ rtl_write_byte(rtlpriv, power_index_reg[index],
+ rtlpriv->dm.powerindex_backup[index]);
+}
+EXPORT_SYMBOL_GPL(dm_restorepowerindex);
+
+void dm_writepowerindex(struct ieee80211_hw *hw, u8 value)
+{
+ struct rtl_priv *rtlpriv = rtl_priv(hw);
+ u8 index;
+
+ for (index = 0; index < 6; index++)
+ rtl_write_byte(rtlpriv, power_index_reg[index], value);
+}
+EXPORT_SYMBOL_GPL(dm_writepowerindex);
+
+void dm_savepowerindex(struct ieee80211_hw *hw)
+{
+ struct rtl_priv *rtlpriv = rtl_priv(hw);
+ u8 index;
+ u8 tmp;
+
+ for (index = 0; index < 6; index++) {
+ tmp = rtl_read_byte(rtlpriv, power_index_reg[index]);
+ rtlpriv->dm.powerindex_backup[index] = tmp;
+ }
+}
+EXPORT_SYMBOL_GPL(dm_savepowerindex);
+
static void rtl92c_dm_diginit(struct ieee80211_hw *hw)
{
struct rtl_priv *rtlpriv = rtl_priv(hw);
--
1.8.4
This driver has a watchdog timer that attempts to reconnect when beacon frames
are not seen for 6 seconds. This patch disables that reconnect whenever the
device has never been connected.
Signed-off-by: Larry Finger <[email protected]>
Cc: Stable <[email protected]>
---
drivers/net/wireless/rtlwifi/base.c | 3 ++-
1 file changed, 2 insertions(+), 1 deletion(-)
Index: wireless-testing/drivers/net/wireless/rtlwifi/base.c
===================================================================
--- wireless-testing.orig/drivers/net/wireless/rtlwifi/base.c
+++ wireless-testing/drivers/net/wireless/rtlwifi/base.c
@@ -1437,7 +1437,8 @@ void rtl_watchdog_wq_callback(void *data
/* if we can't recv beacon for 6s, we should
* reconnect this AP
*/
- if (rtlpriv->link_info.roam_times >= 3) {
+ if ((rtlpriv->link_info.roam_times >= 3) &&
+ !is_zero_ether_addr(rtlpriv->mac80211.bssid)) {
RT_TRACE(rtlpriv, COMP_ERR, DBG_EMERG,
"AP off, try to reconnect now\n");
rtlpriv->link_info.roam_times = 0;
The initial USB driver did not use some register save locations in the
private data storage. To save some memory, a union was used to overlay these
variables with USB I/O components. In an update of the gain-control code,
these register save locations are now needed for USB drivers.
Signed-off-by: Larry Finger <[email protected]>
Cc: Stable <[email protected]>
---
drivers/net/wireless/rtlwifi/wifi.h | 32 ++++++++++++++++----------------
1 file changed, 16 insertions(+), 16 deletions(-)
diff --git a/drivers/net/wireless/rtlwifi/wifi.h b/drivers/net/wireless/rtlwifi/wifi.h
index 0aa89fd..8c64739 100644
--- a/drivers/net/wireless/rtlwifi/wifi.h
+++ b/drivers/net/wireless/rtlwifi/wifi.h
@@ -1033,6 +1033,7 @@ struct rtl_ht_agg {
struct rssi_sta {
long undec_sm_pwdb;
+ long undec_sm_cck;
};
struct rtl_tid_data {
@@ -1323,8 +1324,10 @@ struct fast_ant_training {
struct rtl_dm {
/*PHY status for Dynamic Management */
long entry_min_undec_sm_pwdb;
+ long undec_sm_cck;
long undec_sm_pwdb; /*out dm */
long entry_max_undec_sm_pwdb;
+ s32 ofdm_pkt_cnt;
bool dm_initialgain_enable;
bool dynamic_txpower_enable;
bool current_turbo_edca;
@@ -1339,6 +1342,7 @@ struct rtl_dm {
bool inform_fw_driverctrldm;
bool current_mrc_switch;
u8 txpowercount;
+ u8 powerindex_backup[6];
u8 thermalvalue_rxgain;
u8 thermalvalue_iqk;
@@ -1350,7 +1354,9 @@ struct rtl_dm {
bool done_txpower;
u8 dynamic_txhighpower_lvl; /*Tx high power level */
u8 dm_flag; /*Indicate each dynamic mechanism's status. */
+ u8 dm_flag_tmp;
u8 dm_type;
+ u8 dm_rssi_sel;
u8 txpower_track_control;
bool interrupt_migration;
bool disable_tx_int;
@@ -1949,6 +1955,7 @@ struct dig_t {
u8 pre_ccastate;
u8 cur_ccasate;
u8 large_fa_hit;
+ u8 dig_dynamic_min;
u8 forbidden_igi;
u8 dig_state;
u8 dig_highpwrstate;
@@ -2029,22 +2036,15 @@ struct rtl_priv {
struct dig_t dm_digtable;
struct ps_t dm_pstable;
- /* section shared by individual drivers */
- union {
- struct { /* data buffer pointer for USB reads */
- __le32 *usb_data;
- int usb_data_index;
- bool initialized;
- };
- struct { /* section for 8723ae */
- bool reg_init; /* true if regs saved */
- u32 reg_874;
- u32 reg_c70;
- u32 reg_85c;
- u32 reg_a74;
- bool bt_operation_on;
- };
- };
+ u32 reg_874;
+ u32 reg_c70;
+ u32 reg_85c;
+ u32 reg_a74;
+ bool reg_init; /* true if regs saved */
+ bool bt_operation_on;
+ __le32 *usb_data;
+ int usb_data_index;
+ bool initialized;
bool enter_ps; /* true when entering PS */
u8 rate_mask[5];
--
1.8.4
The current number of RX buffers queued is 32, which is too small under
heavy load. That number is doubled.
Signed-off-by: Larry Finger <[email protected]>
Cc: Stable <[email protected]>
---
drivers/net/wireless/rtlwifi/usb.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/drivers/net/wireless/rtlwifi/usb.c b/drivers/net/wireless/rtlwifi/usb.c
index 6e2b5c5..75481d2 100644
--- a/drivers/net/wireless/rtlwifi/usb.c
+++ b/drivers/net/wireless/rtlwifi/usb.c
@@ -553,7 +553,7 @@ static void _rtl_rx_pre_process(struct ieee80211_hw *hw, struct sk_buff *skb)
}
}
-#define __RX_SKB_MAX_QUEUED 32
+#define __RX_SKB_MAX_QUEUED 64
static void _rtl_rx_work(unsigned long param)
{
--
1.8.4
Vendor driver rtl8188C_8192C_8192D_usb_linux_v3.4.2_3727.20120404 introduced
new firmware for these chips. The code try for the new file, and fall back to
the original firmware if the new file is not available.
Signed-off-by: Larry Finger <[email protected]>
Cc: Stable <[email protected]>
---
drivers/net/wireless/rtlwifi/core.c | 10 ++++++++++
drivers/net/wireless/rtlwifi/rtl8192cu/sw.c | 16 +++++++++++++---
drivers/net/wireless/rtlwifi/wifi.h | 1 +
3 files changed, 24 insertions(+), 3 deletions(-)
Index: wireless-testing/drivers/net/wireless/rtlwifi/core.c
===================================================================
--- wireless-testing.orig/drivers/net/wireless/rtlwifi/core.c
+++ wireless-testing/drivers/net/wireless/rtlwifi/core.c
@@ -46,10 +46,20 @@ void rtl_fw_cb(const struct firmware *fi
"Firmware callback routine entered!\n");
complete(&rtlpriv->firmware_loading_complete);
if (!firmware) {
+ if (rtlpriv->cfg->alt_fw_name) {
+ err = request_firmware(&firmware,
+ rtlpriv->cfg->alt_fw_name,
+ rtlpriv->io.dev);
+ pr_info("Loading alternative firmware %s\n",
+ rtlpriv->cfg->alt_fw_name);
+ if (!err)
+ goto found_alt;
+ }
pr_err("Firmware %s not available\n", rtlpriv->cfg->fw_name);
rtlpriv->max_fw_size = 0;
return;
}
+found_alt:
if (firmware->size > rtlpriv->max_fw_size) {
RT_TRACE(rtlpriv, COMP_ERR, DBG_EMERG,
"Firmware is too big!\n");
Index: wireless-testing/drivers/net/wireless/rtlwifi/rtl8192cu/sw.c
===================================================================
--- wireless-testing.orig/drivers/net/wireless/rtlwifi/rtl8192cu/sw.c
+++ wireless-testing/drivers/net/wireless/rtlwifi/rtl8192cu/sw.c
@@ -50,6 +50,9 @@ MODULE_AUTHOR("Larry Finger <Larry.Finge
MODULE_LICENSE("GPL");
MODULE_DESCRIPTION("Realtek 8192C/8188C 802.11n USB wireless");
MODULE_FIRMWARE("rtlwifi/rtl8192cufw.bin");
+MODULE_FIRMWARE("rtlwifi/rtl8192cufw_A.bin");
+MODULE_FIRMWARE("rtlwifi/rtl8192cufw_B.bin");
+MODULE_FIRMWARE("rtlwifi/rtl8192cufw_TMSC.bin");
static int rtl92cu_init_sw_vars(struct ieee80211_hw *hw)
{
@@ -69,14 +72,21 @@ static int rtl92cu_init_sw_vars(struct i
"Can't alloc buffer for fw\n");
return 1;
}
-
+ if (IS_VENDOR_UMC_A_CUT(rtlpriv->rtlhal.version) &&
+ !IS_92C_SERIAL(rtlpriv->rtlhal.version)) {
+ rtlpriv->cfg->fw_name = "rtlwifi/rtl8192cufw_A.bin";
+ } else if (IS_81xxC_VENDOR_UMC_B_CUT(rtlpriv->rtlhal.version)) {
+ rtlpriv->cfg->fw_name = "rtlwifi/rtl8192cufw_B.bin";
+ } else {
+ rtlpriv->cfg->fw_name = "rtlwifi/rtl8192cufw_TMSC.bin";
+ }
+ /* provide name of alternative file */
+ rtlpriv->cfg->alt_fw_name = "rtlwifi/rtl8192cufw.bin";
pr_info("Loading firmware %s\n", rtlpriv->cfg->fw_name);
rtlpriv->max_fw_size = 0x4000;
err = request_firmware_nowait(THIS_MODULE, 1,
rtlpriv->cfg->fw_name, rtlpriv->io.dev,
GFP_KERNEL, hw, rtl_fw_cb);
-
-
return err;
}
Index: wireless-testing/drivers/net/wireless/rtlwifi/wifi.h
===================================================================
--- wireless-testing.orig/drivers/net/wireless/rtlwifi/wifi.h
+++ wireless-testing/drivers/net/wireless/rtlwifi/wifi.h
@@ -1804,6 +1804,7 @@ struct rtl_hal_cfg {
bool write_readback;
char *name;
char *fw_name;
+ char *alt_fw_name;
struct rtl_hal_ops *ops;
struct rtl_mod_params *mod_params;
struct rtl_hal_usbint_cfg *usb_interface_cfg;