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Merge branch 'master' of git://git.kernel.org/pub/scm/linux/kernel/git/linville/wireless-2.6

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This commit is contained in:
David S. Miller 2010-08-06 13:30:43 -07:00
commit e225567960
41 changed files with 872 additions and 307 deletions
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1
MAINTAINERS
View File

@ -1087,7 +1087,6 @@ F: drivers/net/wireless/ath/ath5k/
ATHEROS ATH9K WIRELESS DRIVER
M: "Luis R. Rodriguez" <lrodriguez@atheros.com>
M: Jouni Malinen <jmalinen@atheros.com>
M: Sujith Manoharan <Sujith.Manoharan@atheros.com>
M: Vasanthakumar Thiagarajan <vasanth@atheros.com>
M: Senthil Balasubramanian <senthilkumar@atheros.com>
L: linux-wireless@vger.kernel.org

43
drivers/net/wireless/ath/ath9k/ar9002_calib.c
View File

@ -63,6 +63,7 @@ static bool ar9002_hw_per_calibration(struct ath_hw *ah,
u8 rxchainmask,
struct ath9k_cal_list *currCal)
{
struct ath9k_hw_cal_data *caldata = ah->caldata;
bool iscaldone = false;
if (currCal->calState == CAL_RUNNING) {
@ -81,14 +82,14 @@ static bool ar9002_hw_per_calibration(struct ath_hw *ah,
}
currCal->calData->calPostProc(ah, numChains);
ichan->CalValid |= currCal->calData->calType;
caldata->CalValid |= currCal->calData->calType;
currCal->calState = CAL_DONE;
iscaldone = true;
} else {
ar9002_hw_setup_calibration(ah, currCal);
}
}
} else if (!(ichan->CalValid & currCal->calData->calType)) {
} else if (!(caldata->CalValid & currCal->calData->calType)) {
ath9k_hw_reset_calibration(ah, currCal);
}
@ -686,8 +687,13 @@ static bool ar9002_hw_calibrate(struct ath_hw *ah,
{
bool iscaldone = true;
struct ath9k_cal_list *currCal = ah->cal_list_curr;
bool nfcal, nfcal_pending = false;
if (currCal &&
nfcal = !!(REG_READ(ah, AR_PHY_AGC_CONTROL) & AR_PHY_AGC_CONTROL_NF);
if (ah->caldata)
nfcal_pending = ah->caldata->nfcal_pending;
if (currCal && !nfcal &&
(currCal->calState == CAL_RUNNING ||
currCal->calState == CAL_WAITING)) {
iscaldone = ar9002_hw_per_calibration(ah, chan,
@ -703,7 +709,7 @@ static bool ar9002_hw_calibrate(struct ath_hw *ah,
}
/* Do NF cal only at longer intervals */
if (longcal) {
if (longcal || nfcal_pending) {
/* Do periodic PAOffset Cal */
ar9002_hw_pa_cal(ah, false);
ar9002_hw_olc_temp_compensation(ah);
@ -712,16 +718,18 @@ static bool ar9002_hw_calibrate(struct ath_hw *ah,
* Get the value from the previous NF cal and update
* history buffer.
*/
ath9k_hw_getnf(ah, chan);
if (ath9k_hw_getnf(ah, chan)) {
/*
* Load the NF from history buffer of the current
* channel.
* NF is slow time-variant, so it is OK to use a
* historical value.
*/
ath9k_hw_loadnf(ah, ah->curchan);
}
/*
* Load the NF from history buffer of the current channel.
* NF is slow time-variant, so it is OK to use a historical
* value.
*/
ath9k_hw_loadnf(ah, ah->curchan);
ath9k_hw_start_nfcal(ah);
if (longcal)
ath9k_hw_start_nfcal(ah, false);
}
return iscaldone;
@ -869,8 +877,10 @@ static bool ar9002_hw_init_cal(struct ath_hw *ah, struct ath9k_channel *chan)
ar9002_hw_pa_cal(ah, true);
/* Do NF Calibration after DC offset and other calibrations */
REG_WRITE(ah, AR_PHY_AGC_CONTROL,
REG_READ(ah, AR_PHY_AGC_CONTROL) | AR_PHY_AGC_CONTROL_NF);
ath9k_hw_start_nfcal(ah, true);
if (ah->caldata)
ah->caldata->nfcal_pending = true;
ah->cal_list = ah->cal_list_last = ah->cal_list_curr = NULL;
@ -901,7 +911,8 @@ static bool ar9002_hw_init_cal(struct ath_hw *ah, struct ath9k_channel *chan)
ath9k_hw_reset_calibration(ah, ah->cal_list_curr);
}
chan->CalValid = 0;
if (ah->caldata)
ah->caldata->CalValid = 0;
return true;
}

18
drivers/net/wireless/ath/ath9k/ar9003_calib.c
View File

@ -68,6 +68,7 @@ static bool ar9003_hw_per_calibration(struct ath_hw *ah,
u8 rxchainmask,
struct ath9k_cal_list *currCal)
{
struct ath9k_hw_cal_data *caldata = ah->caldata;
/* Cal is assumed not done until explicitly set below */
bool iscaldone = false;
@ -95,7 +96,7 @@ static bool ar9003_hw_per_calibration(struct ath_hw *ah,
currCal->calData->calPostProc(ah, numChains);
/* Calibration has finished. */
ichan->CalValid |= currCal->calData->calType;
caldata->CalValid |= currCal->calData->calType;
currCal->calState = CAL_DONE;
iscaldone = true;
} else {
@ -106,7 +107,7 @@ static bool ar9003_hw_per_calibration(struct ath_hw *ah,
ar9003_hw_setup_calibration(ah, currCal);
}
}
} else if (!(ichan->CalValid & currCal->calData->calType)) {
} else if (!(caldata->CalValid & currCal->calData->calType)) {
/* If current cal is marked invalid in channel, kick it off */
ath9k_hw_reset_calibration(ah, currCal);
}
@ -148,6 +149,12 @@ static bool ar9003_hw_calibrate(struct ath_hw *ah,
/* Do NF cal only at longer intervals */
if (longcal) {
/*
* Get the value from the previous NF cal and update
* history buffer.
*/
ath9k_hw_getnf(ah, chan);
/*
* Load the NF from history buffer of the current channel.
* NF is slow time-variant, so it is OK to use a historical
@ -156,7 +163,7 @@ static bool ar9003_hw_calibrate(struct ath_hw *ah,
ath9k_hw_loadnf(ah, ah->curchan);
/* start NF calibration, without updating BB NF register */
ath9k_hw_start_nfcal(ah);
ath9k_hw_start_nfcal(ah, false);
}
return iscaldone;
@ -762,6 +769,8 @@ static bool ar9003_hw_init_cal(struct ath_hw *ah,
/* Revert chainmasks to their original values before NF cal */
ar9003_hw_set_chain_masks(ah, ah->rxchainmask, ah->txchainmask);
ath9k_hw_start_nfcal(ah, true);
/* Initialize list pointers */
ah->cal_list = ah->cal_list_last = ah->cal_list_curr = NULL;
@ -785,7 +794,8 @@ static bool ar9003_hw_init_cal(struct ath_hw *ah,
if (ah->cal_list_curr)
ath9k_hw_reset_calibration(ah, ah->cal_list_curr);
chan->CalValid = 0;
if (ah->caldata)
ah->caldata->CalValid = 0;
return true;
}

388
drivers/net/wireless/ath/ath9k/ar9003_eeprom.c
View File

@ -41,6 +41,20 @@
#define LE16(x) __constant_cpu_to_le16(x)
#define LE32(x) __constant_cpu_to_le32(x)
/* Local defines to distinguish between extension and control CTL's */
#define EXT_ADDITIVE (0x8000)
#define CTL_11A_EXT (CTL_11A | EXT_ADDITIVE)
#define CTL_11G_EXT (CTL_11G | EXT_ADDITIVE)
#define CTL_11B_EXT (CTL_11B | EXT_ADDITIVE)
#define REDUCE_SCALED_POWER_BY_TWO_CHAIN 6 /* 10*log10(2)*2 */
#define REDUCE_SCALED_POWER_BY_THREE_CHAIN 9 /* 10*log10(3)*2 */
#define PWRINCR_3_TO_1_CHAIN 9 /* 10*log(3)*2 */
#define PWRINCR_3_TO_2_CHAIN 3 /* floor(10*log(3/2)*2) */
#define PWRINCR_2_TO_1_CHAIN 6 /* 10*log(2)*2 */
#define SUB_NUM_CTL_MODES_AT_5G_40 2 /* excluding HT40, EXT-OFDM */
#define SUB_NUM_CTL_MODES_AT_2G_40 3 /* excluding HT40, EXT-OFDM, EXT-CCK */
static const struct ar9300_eeprom ar9300_default = {
.eepromVersion = 2,
.templateVersion = 2,
@ -609,6 +623,14 @@ static const struct ar9300_eeprom ar9300_default = {
}
};
static u16 ath9k_hw_fbin2freq(u8 fbin, bool is2GHz)
{
if (fbin == AR9300_BCHAN_UNUSED)
return fbin;
return (u16) ((is2GHz) ? (2300 + fbin) : (4800 + 5 * fbin));
}
static int ath9k_hw_ar9300_check_eeprom(struct ath_hw *ah)
{
return 0;
@ -1417,9 +1439,9 @@ static int ar9003_hw_tx_power_regwrite(struct ath_hw *ah, u8 * pPwrArray)
#undef POW_SM
}
static void ar9003_hw_set_target_power_eeprom(struct ath_hw *ah, u16 freq)
static void ar9003_hw_set_target_power_eeprom(struct ath_hw *ah, u16 freq,
u8 *targetPowerValT2)
{
u8 targetPowerValT2[ar9300RateSize];
/* XXX: hard code for now, need to get from eeprom struct */
u8 ht40PowerIncForPdadc = 0;
bool is2GHz = false;
@ -1553,9 +1575,6 @@ static void ar9003_hw_set_target_power_eeprom(struct ath_hw *ah, u16 freq)
"TPC[%02d] 0x%08x\n", i, targetPowerValT2[i]);
i++;
}
/* Write target power array to registers */
ar9003_hw_tx_power_regwrite(ah, targetPowerValT2);
}
static int ar9003_hw_cal_pier_get(struct ath_hw *ah,
@ -1799,14 +1818,369 @@ static int ar9003_hw_calibration_apply(struct ath_hw *ah, int frequency)
return 0;
}
static u16 ar9003_hw_get_direct_edge_power(struct ar9300_eeprom *eep,
int idx,
int edge,
bool is2GHz)
{
struct cal_ctl_data_2g *ctl_2g = eep->ctlPowerData_2G;
struct cal_ctl_data_5g *ctl_5g = eep->ctlPowerData_5G;
if (is2GHz)
return ctl_2g[idx].ctlEdges[edge].tPower;
else
return ctl_5g[idx].ctlEdges[edge].tPower;
}
static u16 ar9003_hw_get_indirect_edge_power(struct ar9300_eeprom *eep,
int idx,
unsigned int edge,
u16 freq,
bool is2GHz)
{
struct cal_ctl_data_2g *ctl_2g = eep->ctlPowerData_2G;
struct cal_ctl_data_5g *ctl_5g = eep->ctlPowerData_5G;
u8 *ctl_freqbin = is2GHz ?
&eep->ctl_freqbin_2G[idx][0] :
&eep->ctl_freqbin_5G[idx][0];
if (is2GHz) {
if (ath9k_hw_fbin2freq(ctl_freqbin[edge - 1], 1) < freq &&
ctl_2g[idx].ctlEdges[edge - 1].flag)
return ctl_2g[idx].ctlEdges[edge - 1].tPower;
} else {
if (ath9k_hw_fbin2freq(ctl_freqbin[edge - 1], 0) < freq &&
ctl_5g[idx].ctlEdges[edge - 1].flag)
return ctl_5g[idx].ctlEdges[edge - 1].tPower;
}
return AR9300_MAX_RATE_POWER;
}
/*
* Find the maximum conformance test limit for the given channel and CTL info
*/
static u16 ar9003_hw_get_max_edge_power(struct ar9300_eeprom *eep,
u16 freq, int idx, bool is2GHz)
{
u16 twiceMaxEdgePower = AR9300_MAX_RATE_POWER;
u8 *ctl_freqbin = is2GHz ?
&eep->ctl_freqbin_2G[idx][0] :
&eep->ctl_freqbin_5G[idx][0];
u16 num_edges = is2GHz ?
AR9300_NUM_BAND_EDGES_2G : AR9300_NUM_BAND_EDGES_5G;
unsigned int edge;
/* Get the edge power */
for (edge = 0;
(edge < num_edges) && (ctl_freqbin[edge] != AR9300_BCHAN_UNUSED);
edge++) {
/*
* If there's an exact channel match or an inband flag set
* on the lower channel use the given rdEdgePower
*/
if (freq == ath9k_hw_fbin2freq(ctl_freqbin[edge], is2GHz)) {
twiceMaxEdgePower =
ar9003_hw_get_direct_edge_power(eep, idx,
edge, is2GHz);
break;
} else if ((edge > 0) &&
(freq < ath9k_hw_fbin2freq(ctl_freqbin[edge],
is2GHz))) {
twiceMaxEdgePower =
ar9003_hw_get_indirect_edge_power(eep, idx,
edge, freq,
is2GHz);
/*
* Leave loop - no more affecting edges possible in
* this monotonic increasing list
*/
break;
}
}
return twiceMaxEdgePower;
}
static void ar9003_hw_set_power_per_rate_table(struct ath_hw *ah,
struct ath9k_channel *chan,
u8 *pPwrArray, u16 cfgCtl,
u8 twiceAntennaReduction,
u8 twiceMaxRegulatoryPower,
u16 powerLimit)
{
struct ath_regulatory *regulatory = ath9k_hw_regulatory(ah);
struct ath_common *common = ath9k_hw_common(ah);
struct ar9300_eeprom *pEepData = &ah->eeprom.ar9300_eep;
u16 twiceMaxEdgePower = AR9300_MAX_RATE_POWER;
static const u16 tpScaleReductionTable[5] = {
0, 3, 6, 9, AR9300_MAX_RATE_POWER
};
int i;
int16_t twiceLargestAntenna;
u16 scaledPower = 0, minCtlPower, maxRegAllowedPower;
u16 ctlModesFor11a[] = {
CTL_11A, CTL_5GHT20, CTL_11A_EXT, CTL_5GHT40
};
u16 ctlModesFor11g[] = {
CTL_11B, CTL_11G, CTL_2GHT20, CTL_11B_EXT,
CTL_11G_EXT, CTL_2GHT40
};
u16 numCtlModes, *pCtlMode, ctlMode, freq;
struct chan_centers centers;
u8 *ctlIndex;
u8 ctlNum;
u16 twiceMinEdgePower;
bool is2ghz = IS_CHAN_2GHZ(chan);
ath9k_hw_get_channel_centers(ah, chan, &centers);
/* Compute TxPower reduction due to Antenna Gain */
if (is2ghz)
twiceLargestAntenna = pEepData->modalHeader2G.antennaGain;
else
twiceLargestAntenna = pEepData->modalHeader5G.antennaGain;
twiceLargestAntenna = (int16_t)min((twiceAntennaReduction) -
twiceLargestAntenna, 0);
/*
* scaledPower is the minimum of the user input power level
* and the regulatory allowed power level
*/
maxRegAllowedPower = twiceMaxRegulatoryPower + twiceLargestAntenna;
if (regulatory->tp_scale != ATH9K_TP_SCALE_MAX) {
maxRegAllowedPower -=
(tpScaleReductionTable[(regulatory->tp_scale)] * 2);
}
scaledPower = min(powerLimit, maxRegAllowedPower);
/*
* Reduce scaled Power by number of chains active to get
* to per chain tx power level
*/
switch (ar5416_get_ntxchains(ah->txchainmask)) {
case 1:
break;
case 2:
scaledPower -= REDUCE_SCALED_POWER_BY_TWO_CHAIN;
break;
case 3:
scaledPower -= REDUCE_SCALED_POWER_BY_THREE_CHAIN;
break;
}
scaledPower = max((u16)0, scaledPower);
/*
* Get target powers from EEPROM - our baseline for TX Power
*/
if (is2ghz) {
/* Setup for CTL modes */
/* CTL_11B, CTL_11G, CTL_2GHT20 */
numCtlModes =
ARRAY_SIZE(ctlModesFor11g) -
SUB_NUM_CTL_MODES_AT_2G_40;
pCtlMode = ctlModesFor11g;
if (IS_CHAN_HT40(chan))
/* All 2G CTL's */
numCtlModes = ARRAY_SIZE(ctlModesFor11g);
} else {
/* Setup for CTL modes */
/* CTL_11A, CTL_5GHT20 */
numCtlModes = ARRAY_SIZE(ctlModesFor11a) -
SUB_NUM_CTL_MODES_AT_5G_40;
pCtlMode = ctlModesFor11a;
if (IS_CHAN_HT40(chan))
/* All 5G CTL's */
numCtlModes = ARRAY_SIZE(ctlModesFor11a);
}
/*
* For MIMO, need to apply regulatory caps individually across
* dynamically running modes: CCK, OFDM, HT20, HT40
*
* The outer loop walks through each possible applicable runtime mode.
* The inner loop walks through each ctlIndex entry in EEPROM.
* The ctl value is encoded as [7:4] == test group, [3:0] == test mode.
*/
for (ctlMode = 0; ctlMode < numCtlModes; ctlMode++) {
bool isHt40CtlMode = (pCtlMode[ctlMode] == CTL_5GHT40) ||
(pCtlMode[ctlMode] == CTL_2GHT40);
if (isHt40CtlMode)
freq = centers.synth_center;
else if (pCtlMode[ctlMode] & EXT_ADDITIVE)
freq = centers.ext_center;
else
freq = centers.ctl_center;
ath_print(common, ATH_DBG_REGULATORY,
"LOOP-Mode ctlMode %d < %d, isHt40CtlMode %d, "
"EXT_ADDITIVE %d\n",
ctlMode, numCtlModes, isHt40CtlMode,
(pCtlMode[ctlMode] & EXT_ADDITIVE));
/* walk through each CTL index stored in EEPROM */
if (is2ghz) {
ctlIndex = pEepData->ctlIndex_2G;
ctlNum = AR9300_NUM_CTLS_2G;
} else {
ctlIndex = pEepData->ctlIndex_5G;
ctlNum = AR9300_NUM_CTLS_5G;
}
for (i = 0; (i < ctlNum) && ctlIndex[i]; i++) {
ath_print(common, ATH_DBG_REGULATORY,
"LOOP-Ctlidx %d: cfgCtl 0x%2.2x "
"pCtlMode 0x%2.2x ctlIndex 0x%2.2x "
"chan %dn",
i, cfgCtl, pCtlMode[ctlMode], ctlIndex[i],
chan->channel);
/*
* compare test group from regulatory
* channel list with test mode from pCtlMode
* list
*/
if ((((cfgCtl & ~CTL_MODE_M) |
(pCtlMode[ctlMode] & CTL_MODE_M)) ==
ctlIndex[i]) ||
(((cfgCtl & ~CTL_MODE_M) |
(pCtlMode[ctlMode] & CTL_MODE_M)) ==
((ctlIndex[i] & CTL_MODE_M) |
SD_NO_CTL))) {
twiceMinEdgePower =
ar9003_hw_get_max_edge_power(pEepData,
freq, i,
is2ghz);
if ((cfgCtl & ~CTL_MODE_M) == SD_NO_CTL)
/*
* Find the minimum of all CTL
* edge powers that apply to
* this channel
*/
twiceMaxEdgePower =
min(twiceMaxEdgePower,
twiceMinEdgePower);
else {
/* specific */
twiceMaxEdgePower =
twiceMinEdgePower;
break;
}
}
}
minCtlPower = (u8)min(twiceMaxEdgePower, scaledPower);
ath_print(common, ATH_DBG_REGULATORY,
"SEL-Min ctlMode %d pCtlMode %d 2xMaxEdge %d "
"sP %d minCtlPwr %d\n",
ctlMode, pCtlMode[ctlMode], twiceMaxEdgePower,
scaledPower, minCtlPower);
/* Apply ctl mode to correct target power set */
switch (pCtlMode[ctlMode]) {
case CTL_11B:
for (i = ALL_TARGET_LEGACY_1L_5L;
i <= ALL_TARGET_LEGACY_11S; i++)
pPwrArray[i] =
(u8)min((u16)pPwrArray[i],
minCtlPower);
break;
case CTL_11A:
case CTL_11G:
for (i = ALL_TARGET_LEGACY_6_24;
i <= ALL_TARGET_LEGACY_54; i++)
pPwrArray[i] =
(u8)min((u16)pPwrArray[i],
minCtlPower);
break;
case CTL_5GHT20:
case CTL_2GHT20:
for (i = ALL_TARGET_HT20_0_8_16;
i <= ALL_TARGET_HT20_21; i++)
pPwrArray[i] =
(u8)min((u16)pPwrArray[i],
minCtlPower);
pPwrArray[ALL_TARGET_HT20_22] =
(u8)min((u16)pPwrArray[ALL_TARGET_HT20_22],
minCtlPower);
pPwrArray[ALL_TARGET_HT20_23] =
(u8)min((u16)pPwrArray[ALL_TARGET_HT20_23],
minCtlPower);
break;
case CTL_5GHT40:
case CTL_2GHT40:
for (i = ALL_TARGET_HT40_0_8_16;
i <= ALL_TARGET_HT40_23; i++)
pPwrArray[i] =
(u8)min((u16)pPwrArray[i],
minCtlPower);
break;
default:
break;
}
} /* end ctl mode checking */
}
static void ath9k_hw_ar9300_set_txpower(struct ath_hw *ah,
struct ath9k_channel *chan, u16 cfgCtl,
u8 twiceAntennaReduction,
u8 twiceMaxRegulatoryPower,
u8 powerLimit)
{
ah->txpower_limit = powerLimit;
ar9003_hw_set_target_power_eeprom(ah, chan->channel);
struct ath_common *common = ath9k_hw_common(ah);
u8 targetPowerValT2[ar9300RateSize];
unsigned int i = 0;
ar9003_hw_set_target_power_eeprom(ah, chan->channel, targetPowerValT2);
ar9003_hw_set_power_per_rate_table(ah, chan,
targetPowerValT2, cfgCtl,
twiceAntennaReduction,
twiceMaxRegulatoryPower,
powerLimit);
while (i < ar9300RateSize) {
ath_print(common, ATH_DBG_EEPROM,
"TPC[%02d] 0x%08x ", i, targetPowerValT2[i]);
i++;
ath_print(common, ATH_DBG_EEPROM,
"TPC[%02d] 0x%08x ", i, targetPowerValT2[i]);
i++;
ath_print(common, ATH_DBG_EEPROM,
"TPC[%02d] 0x%08x ", i, targetPowerValT2[i]);
i++;
ath_print(common, ATH_DBG_EEPROM,
"TPC[%02d] 0x%08x\n\n", i, targetPowerValT2[i]);
i++;
}
/* Write target power array to registers */
ar9003_hw_tx_power_regwrite(ah, targetPowerValT2);
/*
* This is the TX power we send back to driver core,
* and it can use to pass to userspace to display our
* currently configured TX power setting.
*
* Since power is rate dependent, use one of the indices
* from the AR9300_Rates enum to select an entry from
* targetPowerValT2[] to report. Currently returns the
* power for HT40 MCS 0, HT20 MCS 0, or OFDM 6 Mbps
* as CCK power is less interesting (?).
*/
i = ALL_TARGET_LEGACY_6_24; /* legacy */
if (IS_CHAN_HT40(chan))
i = ALL_TARGET_HT40_0_8_16; /* ht40 */
else if (IS_CHAN_HT20(chan))
i = ALL_TARGET_HT20_0_8_16; /* ht20 */
ah->txpower_limit = targetPowerValT2[i];
ar9003_hw_calibration_apply(ah, chan->channel);
}

17
drivers/net/wireless/ath/ath9k/ar9003_paprd.c
View File

@ -577,10 +577,11 @@ static bool create_pa_curve(u32 *data_L, u32 *data_U, u32 *pa_table, u16 *gain)
}
void ar9003_paprd_populate_single_table(struct ath_hw *ah,
struct ath9k_channel *chan, int chain)
struct ath9k_hw_cal_data *caldata,
int chain)
{
u32 *paprd_table_val = chan->pa_table[chain];
u32 small_signal_gain = chan->small_signal_gain[chain];
u32 *paprd_table_val = caldata->pa_table[chain];
u32 small_signal_gain = caldata->small_signal_gain[chain];
u32 training_power;
u32 reg = 0;
int i;
@ -654,17 +655,17 @@ int ar9003_paprd_setup_gain_table(struct ath_hw *ah, int chain)
}
EXPORT_SYMBOL(ar9003_paprd_setup_gain_table);
int ar9003_paprd_create_curve(struct ath_hw *ah, struct ath9k_channel *chan,
int chain)
int ar9003_paprd_create_curve(struct ath_hw *ah,
struct ath9k_hw_cal_data *caldata, int chain)
{
u16 *small_signal_gain = &chan->small_signal_gain[chain];
u32 *pa_table = chan->pa_table[chain];
u16 *small_signal_gain = &caldata->small_signal_gain[chain];
u32 *pa_table = caldata->pa_table[chain];
u32 *data_L, *data_U;
int i, status = 0;
u32 *buf;
u32 reg;
memset(chan->pa_table[chain], 0, sizeof(chan->pa_table[chain]));
memset(caldata->pa_table[chain], 0, sizeof(caldata->pa_table[chain]));
buf = kmalloc(2 * 48 * sizeof(u32), GFP_ATOMIC);
if (!buf)

6
drivers/net/wireless/ath/ath9k/ar9003_phy.c
View File

@ -542,7 +542,11 @@ static void ar9003_hw_prog_ini(struct ath_hw *ah,
u32 reg = INI_RA(iniArr, i, 0);
u32 val = INI_RA(iniArr, i, column);
REG_WRITE(ah, reg, val);
if (reg >= 0x16000 && reg < 0x17000)
ath9k_hw_analog_shift_regwrite(ah, reg, val);
else
REG_WRITE(ah, reg, val);
DO_DELAY(regWrites);
}
}

3
drivers/net/wireless/ath/ath9k/ath9k.h
View File

@ -510,7 +510,7 @@ void ath_deinit_leds(struct ath_softc *sc);
#define SC_OP_BEACONS BIT(1)
#define SC_OP_RXAGGR BIT(2)
#define SC_OP_TXAGGR BIT(3)
#define SC_OP_FULL_RESET BIT(4)
#define SC_OP_OFFCHANNEL BIT(4)
#define SC_OP_PREAMBLE_SHORT BIT(5)
#define SC_OP_PROTECT_ENABLE BIT(6)
#define SC_OP_RXFLUSH BIT(7)
@ -609,6 +609,7 @@ struct ath_softc {
struct ath_wiphy {
struct ath_softc *sc; /* shared for all virtual wiphys */
struct ieee80211_hw *hw;
struct ath9k_hw_cal_data caldata;
enum ath_wiphy_state {
ATH_WIPHY_INACTIVE,
ATH_WIPHY_ACTIVE,

118
drivers/net/wireless/ath/ath9k/calib.c
View File

@ -22,23 +22,6 @@
/* We can tune this as we go by monitoring really low values */
#define ATH9K_NF_TOO_LOW -60
/* AR5416 may return very high value (like -31 dBm), in those cases the nf
* is incorrect and we should use the static NF value. Later we can try to
* find out why they are reporting these values */
static bool ath9k_hw_nf_in_range(struct ath_hw *ah, s16 nf)
{
if (nf > ATH9K_NF_TOO_LOW) {
ath_print(ath9k_hw_common(ah), ATH_DBG_CALIBRATE,
"noise floor value detected (%d) is "
"lower than what we think is a "
"reasonable value (%d)\n",
nf, ATH9K_NF_TOO_LOW);
return false;
}
return true;
}
static int16_t ath9k_hw_get_nf_hist_mid(int16_t *nfCalBuffer)
{
int16_t nfval;
@ -121,6 +104,19 @@ void ath9k_hw_reset_calibration(struct ath_hw *ah,
ah->cal_samples = 0;
}
static s16 ath9k_hw_get_default_nf(struct ath_hw *ah,
struct ath9k_channel *chan)
{
struct ath_nf_limits *limit;
if (!chan || IS_CHAN_2GHZ(chan))
limit = &ah->nf_2g;
else
limit = &ah->nf_5g;
return limit->nominal;
}
/* This is done for the currently configured channel */
bool ath9k_hw_reset_calvalid(struct ath_hw *ah)
{
@ -128,7 +124,7 @@ bool ath9k_hw_reset_calvalid(struct ath_hw *ah)
struct ieee80211_conf *conf = &common->hw->conf;
struct ath9k_cal_list *currCal = ah->cal_list_curr;
if (!ah->curchan)
if (!ah->caldata)
return true;
if (!AR_SREV_9100(ah) && !AR_SREV_9160_10_OR_LATER(ah))
@ -151,37 +147,55 @@ bool ath9k_hw_reset_calvalid(struct ath_hw *ah)
"Resetting Cal %d state for channel %u\n",
currCal->calData->calType, conf->channel->center_freq);
ah->curchan->CalValid &= ~currCal->calData->calType;
ah->caldata->CalValid &= ~currCal->calData->calType;
currCal->calState = CAL_WAITING;
return false;
}
EXPORT_SYMBOL(ath9k_hw_reset_calvalid);
void ath9k_hw_start_nfcal(struct ath_hw *ah)
void ath9k_hw_start_nfcal(struct ath_hw *ah, bool update)
{
if (ah->caldata)
ah->caldata->nfcal_pending = true;
REG_SET_BIT(ah, AR_PHY_AGC_CONTROL,
AR_PHY_AGC_CONTROL_ENABLE_NF);
REG_SET_BIT(ah, AR_PHY_AGC_CONTROL,
if (update)
REG_CLR_BIT(ah, AR_PHY_AGC_CONTROL,
AR_PHY_AGC_CONTROL_NO_UPDATE_NF);
else
REG_SET_BIT(ah, AR_PHY_AGC_CONTROL,
AR_PHY_AGC_CONTROL_NO_UPDATE_NF);
REG_SET_BIT(ah, AR_PHY_AGC_CONTROL, AR_PHY_AGC_CONTROL_NF);
}
void ath9k_hw_loadnf(struct ath_hw *ah, struct ath9k_channel *chan)
{
struct ath9k_nfcal_hist *h;
struct ath9k_nfcal_hist *h = NULL;
unsigned i, j;
int32_t val;
u8 chainmask = (ah->rxchainmask << 3) | ah->rxchainmask;
struct ath_common *common = ath9k_hw_common(ah);
s16 default_nf = ath9k_hw_get_default_nf(ah, chan);
h = ah->nfCalHist;
if (ah->caldata)
h = ah->caldata->nfCalHist;
for (i = 0; i < NUM_NF_READINGS; i++) {
if (chainmask & (1 << i)) {
s16 nfval;
if (h)
nfval = h[i].privNF;
else
nfval = default_nf;
val = REG_READ(ah, ah->nf_regs[i]);
val &= 0xFFFFFE00;
val |= (((u32) (h[i].privNF) << 1) & 0x1ff);
val |= (((u32) nfval << 1) & 0x1ff);
REG_WRITE(ah, ah->nf_regs[i], val);
}
}
@ -277,22 +291,25 @@ static void ath9k_hw_nf_sanitize(struct ath_hw *ah, s16 *nf)
}
}
int16_t ath9k_hw_getnf(struct ath_hw *ah,
struct ath9k_channel *chan)
bool ath9k_hw_getnf(struct ath_hw *ah, struct ath9k_channel *chan)
{
struct ath_common *common = ath9k_hw_common(ah);
int16_t nf, nfThresh;
int16_t nfarray[NUM_NF_READINGS] = { 0 };
struct ath9k_nfcal_hist *h;
struct ieee80211_channel *c = chan->chan;
struct ath9k_hw_cal_data *caldata = ah->caldata;
if (!caldata)
return false;
chan->channelFlags &= (~CHANNEL_CW_INT);
if (REG_READ(ah, AR_PHY_AGC_CONTROL) & AR_PHY_AGC_CONTROL_NF) {
ath_print(common, ATH_DBG_CALIBRATE,
"NF did not complete in calibration window\n");
nf = 0;
chan->rawNoiseFloor = nf;
return chan->rawNoiseFloor;
caldata->rawNoiseFloor = nf;
return false;
} else {
ath9k_hw_do_getnf(ah, nfarray);
ath9k_hw_nf_sanitize(ah, nfarray);
@ -307,47 +324,40 @@ int16_t ath9k_hw_getnf(struct ath_hw *ah,
}
}
h = ah->nfCalHist;
h = caldata->nfCalHist;
caldata->nfcal_pending = false;
ath9k_hw_update_nfcal_hist_buffer(h, nfarray);
chan->rawNoiseFloor = h[0].privNF;
return chan->rawNoiseFloor;
caldata->rawNoiseFloor = h[0].privNF;
return true;
}
void ath9k_init_nfcal_hist_buffer(struct ath_hw *ah)
void ath9k_init_nfcal_hist_buffer(struct ath_hw *ah,
struct ath9k_channel *chan)
{
struct ath_nf_limits *limit;
struct ath9k_nfcal_hist *h;
s16 default_nf;
int i, j;
if (!ah->curchan || IS_CHAN_2GHZ(ah->curchan))
limit = &ah->nf_2g;
else
limit = &ah->nf_5g;
if (!ah->caldata)
return;
h = ah->caldata->nfCalHist;
default_nf = ath9k_hw_get_default_nf(ah, chan);
for (i = 0; i < NUM_NF_READINGS; i++) {
ah->nfCalHist[i].currIndex = 0;
ah->nfCalHist[i].privNF = limit->nominal;
ah->nfCalHist[i].invalidNFcount =
AR_PHY_CCA_FILTERWINDOW_LENGTH;
h[i].currIndex = 0;
h[i].privNF = default_nf;
h[i].invalidNFcount = AR_PHY_CCA_FILTERWINDOW_LENGTH;
for (j = 0; j < ATH9K_NF_CAL_HIST_MAX; j++) {
ah->nfCalHist[i].nfCalBuffer[j] = limit->nominal;
h[i].nfCalBuffer[j] = default_nf;
}
}
}
s16 ath9k_hw_getchan_noise(struct ath_hw *ah, struct ath9k_channel *chan)
{
s16 nf;
if (!ah->caldata || !ah->caldata->rawNoiseFloor)
return ath9k_hw_get_default_nf(ah, chan);
if (chan->rawNoiseFloor == 0)
nf = -96;
else
nf = chan->rawNoiseFloor;
if (!ath9k_hw_nf_in_range(ah, nf))
nf = ATH_DEFAULT_NOISE_FLOOR;
return nf;
return ah->caldata->rawNoiseFloor;
}
EXPORT_SYMBOL(ath9k_hw_getchan_noise);

8
drivers/net/wireless/ath/ath9k/calib.h
View File

@ -108,11 +108,11 @@ struct ath9k_pacal_info{
};
bool ath9k_hw_reset_calvalid(struct ath_hw *ah);
void ath9k_hw_start_nfcal(struct ath_hw *ah);
void ath9k_hw_start_nfcal(struct ath_hw *ah, bool update);
void ath9k_hw_loadnf(struct ath_hw *ah, struct ath9k_channel *chan);
int16_t ath9k_hw_getnf(struct ath_hw *ah,
struct ath9k_channel *chan);
void ath9k_init_nfcal_hist_buffer(struct ath_hw *ah);
bool ath9k_hw_getnf(struct ath_hw *ah, struct ath9k_channel *chan);
void ath9k_init_nfcal_hist_buffer(struct ath_hw *ah,
struct ath9k_channel *chan);
s16 ath9k_hw_getchan_noise(struct ath_hw *ah, struct ath9k_channel *chan);
void ath9k_hw_reset_calibration(struct ath_hw *ah,
struct ath9k_cal_list *currCal);

2
drivers/net/wireless/ath/ath9k/htc.h
View File

@ -353,6 +353,8 @@ struct ath9k_htc_priv {
u16 seq_no;
u32 bmiss_cnt;
struct ath9k_hw_cal_data caldata[38];
spinlock_t beacon_lock;
bool tx_queues_stop;

10
drivers/net/wireless/ath/ath9k/htc_drv_main.c
View File

@ -125,6 +125,7 @@ static int ath9k_htc_set_channel(struct ath9k_htc_priv *priv,
struct ieee80211_conf *conf = &common->hw->conf;
bool fastcc = true;
struct ieee80211_channel *channel = hw->conf.channel;
struct ath9k_hw_cal_data *caldata;
enum htc_phymode mode;
__be16 htc_mode;
u8 cmd_rsp;
@ -149,7 +150,8 @@ static int ath9k_htc_set_channel(struct ath9k_htc_priv *priv,
priv->ah->curchan->channel,
channel->center_freq, conf_is_ht(conf), conf_is_ht40(conf));
ret = ath9k_hw_reset(ah, hchan, fastcc);
caldata = &priv->caldata[channel->hw_value];
ret = ath9k_hw_reset(ah, hchan, caldata, fastcc);
if (ret) {
ath_print(common, ATH_DBG_FATAL,
"Unable to reset channel (%u Mhz) "
@ -1028,7 +1030,7 @@ static void ath9k_htc_radio_enable(struct ieee80211_hw *hw)
ah->curchan = ath9k_cmn_get_curchannel(hw, ah);
/* Reset the HW */
ret = ath9k_hw_reset(ah, ah->curchan, false);
ret = ath9k_hw_reset(ah, ah->curchan, ah->caldata, false);
if (ret) {
ath_print(common, ATH_DBG_FATAL,
"Unable to reset hardware; reset status %d "
@ -1091,7 +1093,7 @@ static void ath9k_htc_radio_disable(struct ieee80211_hw *hw)
ah->curchan = ath9k_cmn_get_curchannel(hw, ah);
/* Reset the HW */
ret = ath9k_hw_reset(ah, ah->curchan, false);
ret = ath9k_hw_reset(ah, ah->curchan, ah->caldata, false);
if (ret) {
ath_print(common, ATH_DBG_FATAL,
"Unable to reset hardware; reset status %d "
@ -1179,7 +1181,7 @@ static int ath9k_htc_start(struct ieee80211_hw *hw)
ath9k_hw_configpcipowersave(ah, 0, 0);
ath9k_hw_htc_resetinit(ah);
ret = ath9k_hw_reset(ah, init_channel, false);
ret = ath9k_hw_reset(ah, init_channel, ah->caldata, false);
if (ret) {
ath_print(common, ATH_DBG_FATAL,
"Unable to reset hardware; reset status %d "

25
drivers/net/wireless/ath/ath9k/hw.c
View File

@ -610,7 +610,6 @@ static int __ath9k_hw_init(struct ath_hw *ah)
else
ah->tx_trig_level = (AR_FTRIG_512B >> AR_FTRIG_S);
ath9k_init_nfcal_hist_buffer(ah);
ah->bb_watchdog_timeout_ms = 25;
common->state = ATH_HW_INITIALIZED;
@ -1183,9 +1182,6 @@ static bool ath9k_hw_channel_change(struct ath_hw *ah,
ath9k_hw_spur_mitigate_freq(ah, chan);
if (!chan->oneTimeCalsDone)
chan->oneTimeCalsDone = true;
return true;
}
@ -1218,7 +1214,7 @@ bool ath9k_hw_check_alive(struct ath_hw *ah)
EXPORT_SYMBOL(ath9k_hw_check_alive);
int ath9k_hw_reset(struct ath_hw *ah, struct ath9k_channel *chan,
bool bChannelChange)
struct ath9k_hw_cal_data *caldata, bool bChannelChange)
{
struct ath_common *common = ath9k_hw_common(ah);
u32 saveLedState;
@ -1243,9 +1239,19 @@ int ath9k_hw_reset(struct ath_hw *ah, struct ath9k_channel *chan,
if (!ath9k_hw_setpower(ah, ATH9K_PM_AWAKE))
return -EIO;
if (curchan && !ah->chip_fullsleep)
if (curchan && !ah->chip_fullsleep && ah->caldata)
ath9k_hw_getnf(ah, curchan);
ah->caldata = caldata;
if (caldata &&
(chan->channel != caldata->channel ||
(chan->channelFlags & ~CHANNEL_CW_INT) !=
(caldata->channelFlags & ~CHANNEL_CW_INT))) {
/* Operating channel changed, reset channel calibration data */
memset(caldata, 0, sizeof(*caldata));
ath9k_init_nfcal_hist_buffer(ah, chan);
}
if (bChannelChange &&
(ah->chip_fullsleep != true) &&
(ah->curchan != NULL) &&
@ -1256,7 +1262,7 @@ int ath9k_hw_reset(struct ath_hw *ah, struct ath9k_channel *chan,
if (ath9k_hw_channel_change(ah, chan)) {
ath9k_hw_loadnf(ah, ah->curchan);
ath9k_hw_start_nfcal(ah);
ath9k_hw_start_nfcal(ah, true);
return 0;
}
}
@ -1461,11 +1467,8 @@ int ath9k_hw_reset(struct ath_hw *ah, struct ath9k_channel *chan,
if (ah->btcoex_hw.enabled)
ath9k_hw_btcoex_enable(ah);
if (AR_SREV_9300_20_OR_LATER(ah)) {
ath9k_hw_loadnf(ah, curchan);
ath9k_hw_start_nfcal(ah);
if (AR_SREV_9300_20_OR_LATER(ah))
ar9003_hw_bb_watchdog_config(ah);
}
return 0;
}

33
drivers/net/wireless/ath/ath9k/hw.h
View File

@ -346,19 +346,25 @@ enum ath9k_int {
CHANNEL_HT40PLUS | \
CHANNEL_HT40MINUS)
struct ath9k_hw_cal_data {
u16 channel;
u32 channelFlags;
int32_t CalValid;
int8_t iCoff;
int8_t qCoff;
int16_t rawNoiseFloor;
bool paprd_done;
bool nfcal_pending;
u16 small_signal_gain[AR9300_MAX_CHAINS];
u32 pa_table[AR9300_MAX_CHAINS][PAPRD_TABLE_SZ];
struct ath9k_nfcal_hist nfCalHist[NUM_NF_READINGS];
};
struct ath9k_channel {
struct ieee80211_channel *chan;
u16 channel;
u32 channelFlags;
u32 chanmode;
int32_t CalValid;
bool oneTimeCalsDone;
int8_t iCoff;
int8_t qCoff;
int16_t rawNoiseFloor;
bool paprd_done;
u16 small_signal_gain[AR9300_MAX_CHAINS];
u32 pa_table[AR9300_MAX_CHAINS][PAPRD_TABLE_SZ];
};
#define IS_CHAN_G(_c) ((((_c)->channelFlags & (CHANNEL_G)) == CHANNEL_G) || \
@ -669,7 +675,7 @@ struct ath_hw {
enum nl80211_iftype opmode;
enum ath9k_power_mode power_mode;
struct ath9k_nfcal_hist nfCalHist[NUM_NF_READINGS];
struct ath9k_hw_cal_data *caldata;
struct ath9k_pacal_info pacal_info;
struct ar5416Stats stats;
struct ath9k_tx_queue_info txq[ATH9K_NUM_TX_QUEUES];
@ -863,7 +869,7 @@ const char *ath9k_hw_probe(u16 vendorid, u16 devid);
void ath9k_hw_deinit(struct ath_hw *ah);
int ath9k_hw_init(struct ath_hw *ah);
int ath9k_hw_reset(struct ath_hw *ah, struct ath9k_channel *chan,
bool bChannelChange);
struct ath9k_hw_cal_data *caldata, bool bChannelChange);
int ath9k_hw_fill_cap_info(struct ath_hw *ah);
u32 ath9k_regd_get_ctl(struct ath_regulatory *reg, struct ath9k_channel *chan);
@ -958,9 +964,10 @@ void ar9003_hw_bb_watchdog_read(struct ath_hw *ah);
void ar9003_hw_bb_watchdog_dbg_info(struct ath_hw *ah);
void ar9003_paprd_enable(struct ath_hw *ah, bool val);
void ar9003_paprd_populate_single_table(struct ath_hw *ah,
struct ath9k_channel *chan, int chain);
int ar9003_paprd_create_curve(struct ath_hw *ah, struct ath9k_channel *chan,
int chain);
struct ath9k_hw_cal_data *caldata,
int chain);
int ar9003_paprd_create_curve(struct ath_hw *ah,
struct ath9k_hw_cal_data *caldata, int chain);
int ar9003_paprd_setup_gain_table(struct ath_hw *ah, int chain);
int ar9003_paprd_init_table(struct ath_hw *ah);
bool ar9003_paprd_is_done(struct ath_hw *ah);

104
drivers/net/wireless/ath/ath9k/main.c
View File

@ -154,6 +154,27 @@ void ath9k_ps_restore(struct ath_softc *sc)
spin_unlock_irqrestore(&sc->sc_pm_lock, flags);
}
static void ath_start_ani(struct ath_common *common)
{
struct ath_hw *ah = common->ah;
unsigned long timestamp = jiffies_to_msecs(jiffies);
struct ath_softc *sc = (struct ath_softc *) common->priv;
if (!(sc->sc_flags & SC_OP_ANI_RUN))
return;
if (sc->sc_flags & SC_OP_OFFCHANNEL)
return;
common->ani.longcal_timer = timestamp;
common->ani.shortcal_timer = timestamp;
common->ani.checkani_timer = timestamp;
mod_timer(&common->ani.timer,
jiffies +
msecs_to_jiffies((u32)ah->config.ani_poll_interval));
}
/*
* Set/change channels. If the channel is really being changed, it's done
* by reseting the chip. To accomplish this we must first cleanup any pending
@ -162,16 +183,23 @@ void ath9k_ps_restore(struct ath_softc *sc)
int ath_set_channel(struct ath_softc *sc, struct ieee80211_hw *hw,
struct ath9k_channel *hchan)
{
struct ath_wiphy *aphy = hw->priv;
struct ath_hw *ah = sc->sc_ah;
struct ath_common *common = ath9k_hw_common(ah);
struct ieee80211_conf *conf = &common->hw->conf;
bool fastcc = true, stopped;
struct ieee80211_channel *channel = hw->conf.channel;
struct ath9k_hw_cal_data *caldata = NULL;
int r;
if (sc->sc_flags & SC_OP_INVALID)
return -EIO;
del_timer_sync(&common->ani.timer);
cancel_work_sync(&sc->paprd_work);
cancel_work_sync(&sc->hw_check_work);
cancel_delayed_work_sync(&sc->tx_complete_work);
ath9k_ps_wakeup(sc);
/*
@ -191,9 +219,12 @@ int ath_set_channel(struct ath_softc *sc, struct ieee80211_hw *hw,
* to flush data frames already in queue because of
* changing channel. */
if (!stopped || (sc->sc_flags & SC_OP_FULL_RESET))
if (!stopped || !(sc->sc_flags & SC_OP_OFFCHANNEL))
fastcc = false;
if (!(sc->sc_flags & SC_OP_OFFCHANNEL))
caldata = &aphy->caldata;
ath_print(common, ATH_DBG_CONFIG,
"(%u MHz) -> (%u MHz), conf_is_ht40: %d\n",
sc->sc_ah->curchan->channel,
@ -201,7 +232,7 @@ int ath_set_channel(struct ath_softc *sc, struct ieee80211_hw *hw,
spin_lock_bh(&sc->sc_resetlock);
r = ath9k_hw_reset(ah, hchan, fastcc);
r = ath9k_hw_reset(ah, hchan, caldata, fastcc);
if (r) {
ath_print(common, ATH_DBG_FATAL,
"Unable to reset channel (%u MHz), "
@ -212,8 +243,6 @@ int ath_set_channel(struct ath_softc *sc, struct ieee80211_hw *hw,
}
spin_unlock_bh(&sc->sc_resetlock);
sc->sc_flags &= ~SC_OP_FULL_RESET;
if (ath_startrecv(sc) != 0) {
ath_print(common, ATH_DBG_FATAL,
"Unable to restart recv logic\n");
@ -225,6 +254,12 @@ int ath_set_channel(struct ath_softc *sc, struct ieee80211_hw *hw,
ath_update_txpow(sc);
ath9k_hw_set_interrupts(ah, ah->imask);
if (!(sc->sc_flags & (SC_OP_OFFCHANNEL | SC_OP_SCANNING))) {
ath_start_ani(common);
ieee80211_queue_delayed_work(sc->hw, &sc->tx_complete_work, 0);
ath_beacon_config(sc, NULL);
}
ps_restore:
ath9k_ps_restore(sc);
return r;
@ -233,17 +268,19 @@ int ath_set_channel(struct ath_softc *sc, struct ieee80211_hw *hw,
static void ath_paprd_activate(struct ath_softc *sc)
{
struct ath_hw *ah = sc->sc_ah;
struct ath9k_hw_cal_data *caldata = ah->caldata;
int chain;
if (!ah->curchan->paprd_done)
if (!caldata || !caldata->paprd_done)
return;
ath9k_ps_wakeup(sc);
ar9003_paprd_enable(ah, false);
for (chain = 0; chain < AR9300_MAX_CHAINS; chain++) {
if (!(ah->caps.tx_chainmask & BIT(chain)))
continue;
ar9003_paprd_populate_single_table(ah, ah->curchan, chain);
ar9003_paprd_populate_single_table(ah, caldata, chain);
}
ar9003_paprd_enable(ah, true);
@ -261,6 +298,7 @@ void ath_paprd_calibrate(struct work_struct *work)
int band = hw->conf.channel->band;
struct ieee80211_supported_band *sband = &sc->sbands[band];
struct ath_tx_control txctl;
struct ath9k_hw_cal_data *caldata = ah->caldata;
int qnum, ftype;
int chain_ok = 0;
int chain;
@ -268,6 +306,9 @@ void ath_paprd_calibrate(struct work_struct *work)
int time_left;
int i;
if (!caldata)
return;
skb = alloc_skb(len, GFP_KERNEL);
if (!skb)
return;
@ -322,7 +363,7 @@ void ath_paprd_calibrate(struct work_struct *work)
if (!ar9003_paprd_is_done(ah))
break;
if (ar9003_paprd_create_curve(ah, ah->curchan, chain) != 0)
if (ar9003_paprd_create_curve(ah, caldata, chain) != 0)
break;
chain_ok = 1;
@ -330,7 +371,7 @@ void ath_paprd_calibrate(struct work_struct *work)
kfree_skb(skb);
if (chain_ok) {
ah->curchan->paprd_done = true;
caldata->paprd_done = true;
ath_paprd_activate(sc);
}
@ -439,33 +480,14 @@ set_timer:
cal_interval = min(cal_interval, (u32)short_cal_interval);
mod_timer(&common->ani.timer, jiffies + msecs_to_jiffies(cal_interval));
if ((sc->sc_ah->caps.hw_caps & ATH9K_HW_CAP_PAPRD) &&
!(sc->sc_flags & SC_OP_SCANNING)) {
if (!sc->sc_ah->curchan->paprd_done)
if ((sc->sc_ah->caps.hw_caps & ATH9K_HW_CAP_PAPRD) && ah->caldata) {
if (!ah->caldata->paprd_done)
ieee80211_queue_work(sc->hw, &sc->paprd_work);
else
ath_paprd_activate(sc);
}
}
static void ath_start_ani(struct ath_common *common)
{
struct ath_hw *ah = common->ah;
unsigned long timestamp = jiffies_to_msecs(jiffies);
struct ath_softc *sc = (struct ath_softc *) common->priv;
if (!(sc->sc_flags & SC_OP_ANI_RUN))
return;
common->ani.longcal_timer = timestamp;
common->ani.shortcal_timer = timestamp;
common->ani.checkani_timer = timestamp;
mod_timer(&common->ani.timer,
jiffies +
msecs_to_jiffies((u32)ah->config.ani_poll_interval));
}
/*
* Update tx/rx chainmask. For legacy association,
* hard code chainmask to 1x1, for 11n association, use
@ -477,7 +499,7 @@ void ath_update_chainmask(struct ath_softc *sc, int is_ht)
struct ath_hw *ah = sc->sc_ah;
struct ath_common *common = ath9k_hw_common(ah);
if ((sc->sc_flags & SC_OP_SCANNING) || is_ht ||
if ((sc->sc_flags & SC_OP_OFFCHANNEL) || is_ht ||
(ah->btcoex_hw.scheme != ATH_BTCOEX_CFG_NONE)) {
common->tx_chainmask = ah->caps.tx_chainmask;
common->rx_chainmask = ah->caps.rx_chainmask;
@ -817,7 +839,7 @@ void ath_radio_enable(struct ath_softc *sc, struct ieee80211_hw *hw)
ah->curchan = ath_get_curchannel(sc, sc->hw);
spin_lock_bh(&sc->sc_resetlock);
r = ath9k_hw_reset(ah, ah->curchan, false);
r = ath9k_hw_reset(ah, ah->curchan, ah->caldata, false);
if (r) {
ath_print(common, ATH_DBG_FATAL,
"Unable to reset channel (%u MHz), "
@ -877,7 +899,7 @@ void ath_radio_disable(struct ath_softc *sc, struct ieee80211_hw *hw)
ah->curchan = ath_get_curchannel(sc, hw);
spin_lock_bh(&sc->sc_resetlock);
r = ath9k_hw_reset(ah, ah->curchan, false);
r = ath9k_hw_reset(ah, ah->curchan, ah->caldata, false);
if (r) {
ath_print(ath9k_hw_common(sc->sc_ah), ATH_DBG_FATAL,
"Unable to reset channel (%u MHz), "
@ -910,7 +932,7 @@ int ath_reset(struct ath_softc *sc, bool retry_tx)
ath_flushrecv(sc);
spin_lock_bh(&sc->sc_resetlock);
r = ath9k_hw_reset(ah, sc->sc_ah->curchan, false);
r = ath9k_hw_reset(ah, sc->sc_ah->curchan, ah->caldata, false);
if (r)
ath_print(common, ATH_DBG_FATAL,
"Unable to reset hardware; reset status %d\n", r);
@ -1085,7 +1107,7 @@ static int ath9k_start(struct ieee80211_hw *hw)
* and then setup of the interrupt mask.
*/
spin_lock_bh(&sc->sc_resetlock);
r = ath9k_hw_reset(ah, init_channel, false);
r = ath9k_hw_reset(ah, init_channel, ah->caldata, false);
if (r) {
ath_print(common, ATH_DBG_FATAL,
"Unable to reset hardware; reset status %d "
@ -1579,6 +1601,10 @@ static int ath9k_config(struct ieee80211_hw *hw, u32 changed)
aphy->chan_idx = pos;
aphy->chan_is_ht = conf_is_ht(conf);
if (hw->conf.flags & IEEE80211_CONF_OFFCHANNEL)
sc->sc_flags |= SC_OP_OFFCHANNEL;
else
sc->sc_flags &= ~SC_OP_OFFCHANNEL;
if (aphy->state == ATH_WIPHY_SCAN ||
aphy->state == ATH_WIPHY_ACTIVE)
@ -1990,7 +2016,6 @@ static void ath9k_sw_scan_start(struct ieee80211_hw *hw)
{
struct ath_wiphy *aphy = hw->priv;
struct ath_softc *sc = aphy->sc;
struct ath_common *common = ath9k_hw_common(sc->sc_ah);
mutex_lock(&sc->mutex);
if (ath9k_wiphy_scanning(sc)) {
@ -2008,10 +2033,6 @@ static void ath9k_sw_scan_start(struct ieee80211_hw *hw)
aphy->state = ATH_WIPHY_SCAN;
ath9k_wiphy_pause_all_forced(sc, aphy);
sc->sc_flags |= SC_OP_SCANNING;
del_timer_sync(&common->ani.timer);
cancel_work_sync(&sc->paprd_work);
cancel_work_sync(&sc->hw_check_work);
cancel_delayed_work_sync(&sc->tx_complete_work);
mutex_unlock(&sc->mutex);
}
@ -2023,15 +2044,10 @@ static void ath9k_sw_scan_complete(struct ieee80211_hw *hw)
{
struct ath_wiphy *aphy = hw->priv;
struct ath_softc *sc = aphy->sc;
struct ath_common *common = ath9k_hw_common(sc->sc_ah);
mutex_lock(&sc->mutex);
aphy->state = ATH_WIPHY_ACTIVE;
sc->sc_flags &= ~SC_OP_SCANNING;
sc->sc_flags |= SC_OP_FULL_RESET;
ath_start_ani(common);
ieee80211_queue_delayed_work(sc->hw, &sc->tx_complete_work, 0);
ath_beacon_config(sc, NULL);
mutex_unlock(&sc->mutex);
}

10
drivers/net/wireless/ath/ath9k/recv.c
View File

@ -1140,6 +1140,11 @@ int ath_rx_tasklet(struct ath_softc *sc, int flush, bool hp)
if (flush)
goto requeue;
retval = ath9k_rx_skb_preprocess(common, hw, hdr, &rs,
rxs, &decrypt_error);
if (retval)
goto requeue;
rxs->mactime = (tsf & ~0xffffffffULL) | rs.rs_tstamp;
if (rs.rs_tstamp > tsf_lower &&
unlikely(rs.rs_tstamp - tsf_lower > 0x10000000))
@ -1149,11 +1154,6 @@ int ath_rx_tasklet(struct ath_softc *sc, int flush, bool hp)
unlikely(tsf_lower - rs.rs_tstamp > 0x10000000))
rxs->mactime += 0x100000000ULL;
retval = ath9k_rx_skb_preprocess(common, hw, hdr, &rs,
rxs, &decrypt_error);
if (retval)
goto requeue;
/* Ensure we always have an skb to requeue once we are done
* processing the current buffer's skb */
requeue_skb = ath_rxbuf_alloc(common, common->rx_bufsize, GFP_ATOMIC);

36
drivers/net/wireless/ath/ath9k/xmit.c
View File

@ -120,26 +120,14 @@ static void ath_tx_queue_tid(struct ath_txq *txq, struct ath_atx_tid *tid)
list_add_tail(&ac->list, &txq->axq_acq);
}
static void ath_tx_pause_tid(struct ath_softc *sc, struct ath_atx_tid *tid)
{
struct ath_txq *txq = &sc->tx.txq[tid->ac->qnum];
spin_lock_bh(&txq->axq_lock);
tid->paused++;
spin_unlock_bh(&txq->axq_lock);
}
static void ath_tx_resume_tid(struct ath_softc *sc, struct ath_atx_tid *tid)
{
struct ath_txq *txq = &sc->tx.txq[tid->ac->qnum];
BUG_ON(tid->paused <= 0);
WARN_ON(!tid->paused);
spin_lock_bh(&txq->axq_lock);
tid->paused--;
if (tid->paused > 0)
goto unlock;
tid->paused = false;
if (list_empty(&tid->buf_q))
goto unlock;
@ -157,15 +145,10 @@ static void ath_tx_flush_tid(struct ath_softc *sc, struct ath_atx_tid *tid)
struct list_head bf_head;
INIT_LIST_HEAD(&bf_head);
BUG_ON(tid->paused <= 0);
WARN_ON(!tid->paused);
spin_lock_bh(&txq->axq_lock);
tid->paused--;
if (tid->paused > 0) {
spin_unlock_bh(&txq->axq_lock);
return;
}
tid->paused = false;
while (!list_empty(&tid->buf_q)) {
bf = list_first_entry(&tid->buf_q, struct ath_buf, list);
@ -811,7 +794,7 @@ void ath_tx_aggr_start(struct ath_softc *sc, struct ieee80211_sta *sta,
an = (struct ath_node *)sta->drv_priv;
txtid = ATH_AN_2_TID(an, tid);
txtid->state |= AGGR_ADDBA_PROGRESS;
ath_tx_pause_tid(sc, txtid);
txtid->paused = true;
*ssn = txtid->seq_start;
}
@ -835,10 +818,9 @@ void ath_tx_aggr_stop(struct ath_softc *sc, struct ieee80211_sta *sta, u16 tid)
return;
}
ath_tx_pause_tid(sc, txtid);
/* drop all software retried frames and mark this TID */
spin_lock_bh(&txq->axq_lock);
txtid->paused = true;
while (!list_empty(&txtid->buf_q)) {
bf = list_first_entry(&txtid->buf_q, struct ath_buf, list);
if (!bf_isretried(bf)) {
@ -1181,7 +1163,7 @@ void ath_drain_all_txq(struct ath_softc *sc, bool retry_tx)
"Failed to stop TX DMA. Resetting hardware!\n");
spin_lock_bh(&sc->sc_resetlock);
r = ath9k_hw_reset(ah, sc->sc_ah->curchan, false);
r = ath9k_hw_reset(ah, sc->sc_ah->curchan, ah->caldata, false);
if (r)
ath_print(common, ATH_DBG_FATAL,
"Unable to reset hardware; reset status %d\n",

4
drivers/net/wireless/ipw2x00/ipw2100.c
View File

@ -1924,6 +1924,10 @@ static int ipw2100_net_init(struct net_device *dev)
bg_band->channels =
kzalloc(geo->bg_channels *
sizeof(struct ieee80211_channel), GFP_KERNEL);
if (!bg_band->channels) {
ipw2100_down(priv);
return -ENOMEM;
}
/* translate geo->bg to bg_band.channels */
for (i = 0; i < geo->bg_channels; i++) {
bg_band->channels[i].band = IEEE80211_BAND_2GHZ;

2
drivers/net/wireless/iwlwifi/iwl-agn-debugfs.c
View File

@ -980,7 +980,7 @@ ssize_t iwl_ucode_bt_stats_read(struct file *file,
le32_to_cpu(bt->lo_priority_tx_req_cnt),
accum_bt->lo_priority_tx_req_cnt);
pos += scnprintf(buf + pos, bufsz - pos,
"lo_priority_rx_denied_cnt:\t%u\t\t\t%u\n",
"lo_priority_tx_denied_cnt:\t%u\t\t\t%u\n",
le32_to_cpu(bt->lo_priority_tx_denied_cnt),
accum_bt->lo_priority_tx_denied_cnt);
pos += scnprintf(buf + pos, bufsz - pos,

2
drivers/net/wireless/iwlwifi/iwl-agn-lib.c
View File

@ -1429,7 +1429,7 @@ int iwlagn_manage_ibss_station(struct iwl_priv *priv,
void iwl_free_tfds_in_queue(struct iwl_priv *priv,
int sta_id, int tid, int freed)
{
WARN_ON(!spin_is_locked(&priv->sta_lock));
lockdep_assert_held(&priv->sta_lock);
if (priv->stations[sta_id].tid[tid].tfds_in_queue >= freed)
priv->stations[sta_id].tid[tid].tfds_in_queue -= freed;

11
drivers/net/wireless/iwlwifi/iwl-agn-rs.c
View File

@ -300,8 +300,9 @@ static int rs_tl_turn_on_agg_for_tid(struct iwl_priv *priv,
struct ieee80211_sta *sta)
{
int ret = -EAGAIN;
u32 load = rs_tl_get_load(lq_data, tid);
if (rs_tl_get_load(lq_data, tid) > IWL_AGG_LOAD_THRESHOLD) {
if (load > IWL_AGG_LOAD_THRESHOLD) {
IWL_DEBUG_HT(priv, "Starting Tx agg: STA: %pM tid: %d\n",
sta->addr, tid);
ret = ieee80211_start_tx_ba_session(sta, tid);
@ -311,12 +312,14 @@ static int rs_tl_turn_on_agg_for_tid(struct iwl_priv *priv,
* this might be cause by reloading firmware
* stop the tx ba session here
*/
IWL_DEBUG_HT(priv, "Fail start Tx agg on tid: %d\n",
IWL_ERR(priv, "Fail start Tx agg on tid: %d\n",
tid);
ieee80211_stop_tx_ba_session(sta, tid);
}
} else
IWL_ERR(priv, "Fail finding valid aggregation tid: %d\n", tid);
} else {
IWL_ERR(priv, "Aggregation not enabled for tid %d "
"because load = %u\n", tid, load);
}
return ret;
}

11
drivers/net/wireless/iwlwifi/iwl-agn-tx.c
View File

@ -1117,7 +1117,7 @@ int iwlagn_txq_check_empty(struct iwl_priv *priv,
u8 *addr = priv->stations[sta_id].sta.sta.addr;
struct iwl_tid_data *tid_data = &priv->stations[sta_id].tid[tid];
WARN_ON(!spin_is_locked(&priv->sta_lock));
lockdep_assert_held(&priv->sta_lock);
switch (priv->stations[sta_id].tid[tid].agg.state) {
case IWL_EMPTYING_HW_QUEUE_DELBA:
@ -1331,7 +1331,14 @@ void iwlagn_rx_reply_compressed_ba(struct iwl_priv *priv,
tid = ba_resp->tid;
agg = &priv->stations[sta_id].tid[tid].agg;
if (unlikely(agg->txq_id != scd_flow)) {
IWL_ERR(priv, "BA scd_flow %d does not match txq_id %d\n",
/*
* FIXME: this is a uCode bug which need to be addressed,
* log the information and return for now!
* since it is possible happen very often and in order
* not to fill the syslog, don't enable the logging by default
*/
IWL_DEBUG_TX_REPLY(priv,
"BA scd_flow %d does not match txq_id %d\n",
scd_flow, agg->txq_id);
return;
}

6
drivers/net/wireless/iwlwifi/iwl-core.c
View File

@ -2000,6 +2000,7 @@ void iwl_mac_remove_interface(struct ieee80211_hw *hw,
struct ieee80211_vif *vif)
{
struct iwl_priv *priv = hw->priv;
bool scan_completed = false;
IWL_DEBUG_MAC80211(priv, "enter\n");
@ -2013,7 +2014,7 @@ void iwl_mac_remove_interface(struct ieee80211_hw *hw,
if (priv->vif == vif) {
priv->vif = NULL;
if (priv->scan_vif == vif) {
ieee80211_scan_completed(priv->hw, true);
scan_completed = true;
priv->scan_vif = NULL;
priv->scan_request = NULL;
}
@ -2021,6 +2022,9 @@ void iwl_mac_remove_interface(struct ieee80211_hw *hw,
}
mutex_unlock(&priv->mutex);
if (scan_completed)
ieee80211_scan_completed(priv->hw, true);
IWL_DEBUG_MAC80211(priv, "leave\n");
}

2
drivers/net/wireless/iwlwifi/iwl-debug.h
View File

@ -71,7 +71,7 @@ do { \
#define IWL_DEBUG(__priv, level, fmt, args...)
#define IWL_DEBUG_LIMIT(__priv, level, fmt, args...)
static inline void iwl_print_hex_dump(struct iwl_priv *priv, int level,
void *p, u32 len)
const void *p, u32 len)
{}
#endif /* CONFIG_IWLWIFI_DEBUG */

2
drivers/net/wireless/iwlwifi/iwl-devtrace.h
View File

@ -193,7 +193,7 @@ TRACE_EVENT(iwlwifi_dev_tx,
__entry->framelen = buf0_len + buf1_len;
memcpy(__get_dynamic_array(tfd), tfd, tfdlen);
memcpy(__get_dynamic_array(buf0), buf0, buf0_len);
memcpy(__get_dynamic_array(buf1), buf1, buf0_len);
memcpy(__get_dynamic_array(buf1), buf1, buf1_len);
),
TP_printk("[%p] TX %.2x (%zu bytes)",
__entry->priv,

2
drivers/net/wireless/iwlwifi/iwl-scan.c
View File

@ -298,7 +298,7 @@ EXPORT_SYMBOL(iwl_init_scan_params);
static int iwl_scan_initiate(struct iwl_priv *priv, struct ieee80211_vif *vif)
{
WARN_ON(!mutex_is_locked(&priv->mutex));
lockdep_assert_held(&priv->mutex);
IWL_DEBUG_INFO(priv, "Starting scan...\n");
set_bit(STATUS_SCANNING, &priv->status);

6
drivers/net/wireless/iwlwifi/iwl-sta.c
View File

@ -773,7 +773,7 @@ static int iwl_send_static_wepkey_cmd(struct iwl_priv *priv, u8 send_if_empty)
int iwl_restore_default_wep_keys(struct iwl_priv *priv)
{
WARN_ON(!mutex_is_locked(&priv->mutex));
lockdep_assert_held(&priv->mutex);
return iwl_send_static_wepkey_cmd(priv, 0);
}
@ -784,7 +784,7 @@ int iwl_remove_default_wep_key(struct iwl_priv *priv,
{
int ret;
WARN_ON(!mutex_is_locked(&priv->mutex));
lockdep_assert_held(&priv->mutex);
IWL_DEBUG_WEP(priv, "Removing default WEP key: idx=%d\n",
keyconf->keyidx);
@ -808,7 +808,7 @@ int iwl_set_default_wep_key(struct iwl_priv *priv,
{
int ret;
WARN_ON(!mutex_is_locked(&priv->mutex));
lockdep_assert_held(&priv->mutex);
if (keyconf->keylen != WEP_KEY_LEN_128 &&
keyconf->keylen != WEP_KEY_LEN_64) {

214
drivers/net/wireless/libertas/cfg.c
View File

@ -257,6 +257,29 @@ static int lbs_add_supported_rates_tlv(u8 *tlv)
return sizeof(rate_tlv->header) + i;
}
/* Add common rates from a TLV and return the new end of the TLV */
static u8 *
add_ie_rates(u8 *tlv, const u8 *ie, int *nrates)
{
int hw, ap, ap_max = ie[1];
u8 hw_rate;
/* Advance past IE header */
ie += 2;
lbs_deb_hex(LBS_DEB_ASSOC, "AP IE Rates", (u8 *) ie, ap_max);
for (hw = 0; hw < ARRAY_SIZE(lbs_rates); hw++) {
hw_rate = lbs_rates[hw].bitrate / 5;
for (ap = 0; ap < ap_max; ap++) {
if (hw_rate == (ie[ap] & 0x7f)) {
*tlv++ = ie[ap];
*nrates = *nrates + 1;
}
}
}
return tlv;
}
/*
* Adds a TLV with all rates the hardware *and* BSS supports.
@ -264,8 +287,11 @@ static int lbs_add_supported_rates_tlv(u8 *tlv)
static int lbs_add_common_rates_tlv(u8 *tlv, struct cfg80211_bss *bss)
{
struct mrvl_ie_rates_param_set *rate_tlv = (void *)tlv;
const u8 *rates_eid = ieee80211_bss_get_ie(bss, WLAN_EID_SUPP_RATES);
int n;
const u8 *rates_eid, *ext_rates_eid;
int n = 0;
rates_eid = ieee80211_bss_get_ie(bss, WLAN_EID_SUPP_RATES);
ext_rates_eid = ieee80211_bss_get_ie(bss, WLAN_EID_EXT_SUPP_RATES);
/*
* 01 00 TLV_TYPE_RATES
@ -275,26 +301,21 @@ static int lbs_add_common_rates_tlv(u8 *tlv, struct cfg80211_bss *bss)
rate_tlv->header.type = cpu_to_le16(TLV_TYPE_RATES);
tlv += sizeof(rate_tlv->header);
if (!rates_eid) {
/* Add basic rates */
if (rates_eid) {
tlv = add_ie_rates(tlv, rates_eid, &n);
/* Add extended rates, if any */
if (ext_rates_eid)
tlv = add_ie_rates(tlv, ext_rates_eid, &n);
} else {
lbs_deb_assoc("assoc: bss had no basic rate IE\n");
/* Fallback: add basic 802.11b rates */
*tlv++ = 0x82;
*tlv++ = 0x84;
*tlv++ = 0x8b;
*tlv++ = 0x96;
n = 4;
} else {
int hw, ap;
u8 ap_max = rates_eid[1];
n = 0;
for (hw = 0; hw < ARRAY_SIZE(lbs_rates); hw++) {
u8 hw_rate = lbs_rates[hw].bitrate / 5;
for (ap = 0; ap < ap_max; ap++) {
if (hw_rate == (rates_eid[ap+2] & 0x7f)) {
*tlv++ = rates_eid[ap+2];
n++;
}
}
}
}
rate_tlv->header.len = cpu_to_le16(n);
@ -465,7 +486,15 @@ static int lbs_ret_scan(struct lbs_private *priv, unsigned long dummy,
lbs_deb_enter(LBS_DEB_CFG80211);
bsssize = get_unaligned_le16(&scanresp->bssdescriptsize);
nr_sets = le16_to_cpu(resp->size);
nr_sets = le16_to_cpu(scanresp->nr_sets);
lbs_deb_scan("scan response: %d BSSs (%d bytes); resp size %d bytes\n",
nr_sets, bsssize, le16_to_cpu(resp->size));
if (nr_sets == 0) {
ret = 0;
goto done;
}
/*
* The general layout of the scan response is described in chapter
@ -670,8 +699,13 @@ static void lbs_scan_worker(struct work_struct *work)
if (priv->scan_channel >= priv->scan_req->n_channels) {
/* Mark scan done */
cfg80211_scan_done(priv->scan_req, false);
if (priv->internal_scan)
kfree(priv->scan_req);
else
cfg80211_scan_done(priv->scan_req, false);
priv->scan_req = NULL;
priv->last_scan = jiffies;
}
/* Restart network */
@ -682,10 +716,33 @@ static void lbs_scan_worker(struct work_struct *work)
kfree(scan_cmd);
/* Wake up anything waiting on scan completion */
if (priv->scan_req == NULL) {
lbs_deb_scan("scan: waking up waiters\n");
wake_up_all(&priv->scan_q);
}
out_no_scan_cmd:
lbs_deb_leave(LBS_DEB_SCAN);
}
static void _internal_start_scan(struct lbs_private *priv, bool internal,
struct cfg80211_scan_request *request)
{
lbs_deb_enter(LBS_DEB_CFG80211);
lbs_deb_scan("scan: ssids %d, channels %d, ie_len %zd\n",
request->n_ssids, request->n_channels, request->ie_len);
priv->scan_channel = 0;
queue_delayed_work(priv->work_thread, &priv->scan_work,
msecs_to_jiffies(50));
priv->scan_req = request;
priv->internal_scan = internal;
lbs_deb_leave(LBS_DEB_CFG80211);
}
static int lbs_cfg_scan(struct wiphy *wiphy,
struct net_device *dev,
@ -702,18 +759,11 @@ static int lbs_cfg_scan(struct wiphy *wiphy,
goto out;
}
lbs_deb_scan("scan: ssids %d, channels %d, ie_len %zd\n",
request->n_ssids, request->n_channels, request->ie_len);
priv->scan_channel = 0;
queue_delayed_work(priv->work_thread, &priv->scan_work,
msecs_to_jiffies(50));
_internal_start_scan(priv, false, request);
if (priv->surpriseremoved)
ret = -EIO;
priv->scan_req = request;
out:
lbs_deb_leave_args(LBS_DEB_CFG80211, "ret %d", ret);
return ret;
@ -1000,6 +1050,7 @@ static int lbs_associate(struct lbs_private *priv,
int status;
int ret;
u8 *pos = &(cmd->iebuf[0]);
u8 *tmp;
lbs_deb_enter(LBS_DEB_CFG80211);
@ -1044,7 +1095,9 @@ static int lbs_associate(struct lbs_private *priv,
pos += lbs_add_cf_param_tlv(pos);
/* add rates TLV */
tmp = pos + 4; /* skip Marvell IE header */
pos += lbs_add_common_rates_tlv(pos, bss);
lbs_deb_hex(LBS_DEB_ASSOC, "Common Rates", tmp, pos - tmp);
/* add auth type TLV */
if (priv->fwrelease >= 0x09000000)
@ -1124,7 +1177,62 @@ done:
return ret;
}
static struct cfg80211_scan_request *
_new_connect_scan_req(struct wiphy *wiphy, struct cfg80211_connect_params *sme)
{
struct cfg80211_scan_request *creq = NULL;
int i, n_channels = 0;
enum ieee80211_band band;
for (band = 0; band < IEEE80211_NUM_BANDS; band++) {
if (wiphy->bands[band])
n_channels += wiphy->bands[band]->n_channels;
}
creq = kzalloc(sizeof(*creq) + sizeof(struct cfg80211_ssid) +
n_channels * sizeof(void *),
GFP_ATOMIC);
if (!creq)
return NULL;
/* SSIDs come after channels */
creq->ssids = (void *)&creq->channels[n_channels];
creq->n_channels = n_channels;
creq->n_ssids = 1;
/* Scan all available channels */
i = 0;
for (band = 0; band < IEEE80211_NUM_BANDS; band++) {
int j;
if (!wiphy->bands[band])
continue;
for (j = 0; j < wiphy->bands[band]->n_channels; j++) {
/* ignore disabled channels */
if (wiphy->bands[band]->channels[j].flags &
IEEE80211_CHAN_DISABLED)
continue;
creq->channels[i] = &wiphy->bands[band]->channels[j];
i++;
}
}
if (i) {
/* Set real number of channels specified in creq->channels[] */
creq->n_channels = i;
/* Scan for the SSID we're going to connect to */
memcpy(creq->ssids[0].ssid, sme->ssid, sme->ssid_len);
creq->ssids[0].ssid_len = sme->ssid_len;
} else {
/* No channels found... */
kfree(creq);
creq = NULL;
}
return creq;
}
static int lbs_cfg_connect(struct wiphy *wiphy, struct net_device *dev,
struct cfg80211_connect_params *sme)
@ -1136,37 +1244,43 @@ static int lbs_cfg_connect(struct wiphy *wiphy, struct net_device *dev,
lbs_deb_enter(LBS_DEB_CFG80211);
if (sme->bssid) {
bss = cfg80211_get_bss(wiphy, sme->channel, sme->bssid,
sme->ssid, sme->ssid_len,
WLAN_CAPABILITY_ESS, WLAN_CAPABILITY_ESS);
} else {
/*
* Here we have an impedance mismatch. The firmware command
* CMD_802_11_ASSOCIATE always needs a BSSID, it cannot
* connect otherwise. However, for the connect-API of
* cfg80211 the bssid is purely optional. We don't get one,
* except the user specifies one on the "iw" command line.
*
* If we don't got one, we could initiate a scan and look
* for the best matching cfg80211_bss entry.
*
* Or, better yet, net/wireless/sme.c get's rewritten into
* something more generally useful.
if (!sme->bssid) {
/* Run a scan if one isn't in-progress already and if the last
* scan was done more than 2 seconds ago.
*/
lbs_pr_err("TODO: no BSS specified\n");
ret = -ENOTSUPP;
goto done;
if (priv->scan_req == NULL &&
time_after(jiffies, priv->last_scan + (2 * HZ))) {
struct cfg80211_scan_request *creq;
creq = _new_connect_scan_req(wiphy, sme);
if (!creq) {
ret = -EINVAL;
goto done;
}
lbs_deb_assoc("assoc: scanning for compatible AP\n");
_internal_start_scan(priv, true, creq);
}
/* Wait for any in-progress scan to complete */
lbs_deb_assoc("assoc: waiting for scan to complete\n");
wait_event_interruptible_timeout(priv->scan_q,
(priv->scan_req == NULL),
(15 * HZ));
lbs_deb_assoc("assoc: scanning competed\n");
}
/* Find the BSS we want using available scan results */
bss = cfg80211_get_bss(wiphy, sme->channel, sme->bssid,
sme->ssid, sme->ssid_len,
WLAN_CAPABILITY_ESS, WLAN_CAPABILITY_ESS);
if (!bss) {
lbs_pr_err("assicate: bss %pM not in scan results\n",
lbs_pr_err("assoc: bss %pM not in scan results\n",
sme->bssid);
ret = -ENOENT;
goto done;
}
lbs_deb_assoc("trying %pM", sme->bssid);
lbs_deb_assoc("trying %pM\n", bss->bssid);
lbs_deb_assoc("cipher 0x%x, key index %d, key len %d\n",
sme->crypto.cipher_group,
sme->key_idx, sme->key_len);
@ -1229,7 +1343,7 @@ static int lbs_cfg_connect(struct wiphy *wiphy, struct net_device *dev,
lbs_set_radio(priv, preamble, 1);
/* Do the actual association */
lbs_associate(priv, bss, sme);
ret = lbs_associate(priv, bss, sme);
done:
if (bss)

5
drivers/net/wireless/libertas/dev.h
View File

@ -161,6 +161,11 @@ struct lbs_private {
/** Scanning */
struct delayed_work scan_work;
int scan_channel;
/* Queue of things waiting for scan completion */
wait_queue_head_t scan_q;
/* Whether the scan was initiated internally and not by cfg80211 */
bool internal_scan;
unsigned long last_scan;
};
extern struct cmd_confirm_sleep confirm_sleep;

1
drivers/net/wireless/libertas/main.c
View File

@ -719,6 +719,7 @@ static int lbs_init_adapter(struct lbs_private *priv)
priv->deep_sleep_required = 0;
priv->wakeup_dev_required = 0;
init_waitqueue_head(&priv->ds_awake_q);
init_waitqueue_head(&priv->scan_q);
priv->authtype_auto = 1;
priv->is_host_sleep_configured = 0;
priv->is_host_sleep_activated = 0;

2
drivers/net/wireless/p54/p54pci.c
View File

@ -43,6 +43,8 @@ static DEFINE_PCI_DEVICE_TABLE(p54p_table) = {
{ PCI_DEVICE(0x1260, 0x3886) },
/* Intersil PRISM Xbow Wireless LAN adapter (Symbol AP-300) */
{ PCI_DEVICE(0x1260, 0xffff) },
/* Standard Microsystems Corp SMC2802W Wireless PCI */
{ PCI_DEVICE(0x10b8, 0x2802) },
{ },
};

25
drivers/net/wireless/rt2x00/rt2x00pci.c
View File

@ -240,16 +240,16 @@ int rt2x00pci_probe(struct pci_dev *pci_dev, const struct pci_device_id *id)
struct rt2x00_dev *rt2x00dev;
int retval;
retval = pci_request_regions(pci_dev, pci_name(pci_dev));
if (retval) {
ERROR_PROBE("PCI request regions failed.\n");
return retval;
}
retval = pci_enable_device(pci_dev);
if (retval) {
ERROR_PROBE("Enable device failed.\n");
goto exit_release_regions;
return retval;
}
retval = pci_request_regions(pci_dev, pci_name(pci_dev));
if (retval) {
ERROR_PROBE("PCI request regions failed.\n");
goto exit_disable_device;
}
pci_set_master(pci_dev);
@ -260,14 +260,14 @@ int rt2x00pci_probe(struct pci_dev *pci_dev, const struct pci_device_id *id)
if (dma_set_mask(&pci_dev->dev, DMA_BIT_MASK(32))) {
ERROR_PROBE("PCI DMA not supported.\n");
retval = -EIO;
goto exit_disable_device;
goto exit_release_regions;
}
hw = ieee80211_alloc_hw(sizeof(struct rt2x00_dev), ops->hw);
if (!hw) {
ERROR_PROBE("Failed to allocate hardware.\n");
retval = -ENOMEM;
goto exit_disable_device;
goto exit_release_regions;
}
pci_set_drvdata(pci_dev, hw);
@ -300,13 +300,12 @@ exit_free_reg:
exit_free_device:
ieee80211_free_hw(hw);
exit_disable_device:
if (retval != -EBUSY)
pci_disable_device(pci_dev);
exit_release_regions:
pci_release_regions(pci_dev);
exit_disable_device:
pci_disable_device(pci_dev);
pci_set_drvdata(pci_dev, NULL);
return retval;

2
drivers/net/wireless/rtl818x/rtl8180_dev.c
View File

@ -695,6 +695,8 @@ static void rtl8180_beacon_work(struct work_struct *work)
/* grab a fresh beacon */
skb = ieee80211_beacon_get(dev, vif);
if (!skb)
goto resched;
/*
* update beacon timestamp w/ TSF value

3
drivers/net/wireless/wl12xx/wl1271_spi.c
View File

@ -160,9 +160,8 @@ static void wl1271_spi_init(struct wl1271 *wl)
spi_message_add_tail(&t, &m);
spi_sync(wl_to_spi(wl), &m);
kfree(cmd);
wl1271_dump(DEBUG_SPI, "spi init -> ", cmd, WSPI_INIT_CMD_LEN);
kfree(cmd);
}
#define WL1271_BUSY_WORD_TIMEOUT 1000

2
include/net/bluetooth/hci_core.h
View File

@ -132,7 +132,7 @@ struct hci_dev {
struct inquiry_cache inq_cache;
struct hci_conn_hash conn_hash;
struct bdaddr_list blacklist;
struct list_head blacklist;
struct hci_dev_stats stat;

2
net/bluetooth/hci_core.c
View File

@ -924,7 +924,7 @@ int hci_register_dev(struct hci_dev *hdev)
hci_conn_hash_init(hdev);
INIT_LIST_HEAD(&hdev->blacklist.list);
INIT_LIST_HEAD(&hdev->blacklist);
memset(&hdev->stat, 0, sizeof(struct hci_dev_stats));

8
net/bluetooth/hci_sock.c
View File

@ -168,9 +168,8 @@ static int hci_sock_release(struct socket *sock)
struct bdaddr_list *hci_blacklist_lookup(struct hci_dev *hdev, bdaddr_t *bdaddr)
{
struct list_head *p;
struct bdaddr_list *blacklist = &hdev->blacklist;
list_for_each(p, &blacklist->list) {
list_for_each(p, &hdev->blacklist) {
struct bdaddr_list *b;
b = list_entry(p, struct bdaddr_list, list);
@ -202,7 +201,7 @@ static int hci_blacklist_add(struct hci_dev *hdev, void __user *arg)
bacpy(&entry->bdaddr, &bdaddr);
list_add(&entry->list, &hdev->blacklist.list);
list_add(&entry->list, &hdev->blacklist);
return 0;
}
@ -210,9 +209,8 @@ static int hci_blacklist_add(struct hci_dev *hdev, void __user *arg)
int hci_blacklist_clear(struct hci_dev *hdev)
{
struct list_head *p, *n;
struct bdaddr_list *blacklist = &hdev->blacklist;
list_for_each_safe(p, n, &blacklist->list) {
list_for_each_safe(p, n, &hdev->blacklist) {
struct bdaddr_list *b;
b = list_entry(p, struct bdaddr_list, list);

3
net/bluetooth/hci_sysfs.c
View File

@ -439,12 +439,11 @@ static const struct file_operations inquiry_cache_fops = {
static int blacklist_show(struct seq_file *f, void *p)
{
struct hci_dev *hdev = f->private;
struct bdaddr_list *blacklist = &hdev->blacklist;
struct list_head *l;
hci_dev_lock_bh(hdev);
list_for_each(l, &blacklist->list) {
list_for_each(l, &hdev->blacklist) {
struct bdaddr_list *b;
bdaddr_t bdaddr;

24
net/bluetooth/l2cap.c
View File

@ -2527,6 +2527,10 @@ done:
if (pi->imtu != L2CAP_DEFAULT_MTU)
l2cap_add_conf_opt(&ptr, L2CAP_CONF_MTU, 2, pi->imtu);
if (!(pi->conn->feat_mask & L2CAP_FEAT_ERTM) &&
!(pi->conn->feat_mask & L2CAP_FEAT_STREAMING))
break;
rfc.mode = L2CAP_MODE_BASIC;
rfc.txwin_size = 0;
rfc.max_transmit = 0;
@ -2534,6 +2538,8 @@ done:
rfc.monitor_timeout = 0;
rfc.max_pdu_size = 0;
l2cap_add_conf_opt(&ptr, L2CAP_CONF_RFC, sizeof(rfc),
(unsigned long) &rfc);
break;
case L2CAP_MODE_ERTM:
@ -2546,6 +2552,9 @@ done:
if (L2CAP_DEFAULT_MAX_PDU_SIZE > pi->conn->mtu - 10)
rfc.max_pdu_size = cpu_to_le16(pi->conn->mtu - 10);
l2cap_add_conf_opt(&ptr, L2CAP_CONF_RFC, sizeof(rfc),
(unsigned long) &rfc);
if (!(pi->conn->feat_mask & L2CAP_FEAT_FCS))
break;
@ -2566,6 +2575,9 @@ done:
if (L2CAP_DEFAULT_MAX_PDU_SIZE > pi->conn->mtu - 10)
rfc.max_pdu_size = cpu_to_le16(pi->conn->mtu - 10);
l2cap_add_conf_opt(&ptr, L2CAP_CONF_RFC, sizeof(rfc),
(unsigned long) &rfc);
if (!(pi->conn->feat_mask & L2CAP_FEAT_FCS))
break;
@ -2577,9 +2589,6 @@ done:
break;
}
l2cap_add_conf_opt(&ptr, L2CAP_CONF_RFC, sizeof(rfc),
(unsigned long) &rfc);
/* FIXME: Need actual value of the flush timeout */
//if (flush_to != L2CAP_DEFAULT_FLUSH_TO)
// l2cap_add_conf_opt(&ptr, L2CAP_CONF_FLUSH_TO, 2, pi->flush_to);
@ -3339,6 +3348,15 @@ static inline int l2cap_information_rsp(struct l2cap_conn *conn, struct l2cap_cm
del_timer(&conn->info_timer);
if (result != L2CAP_IR_SUCCESS) {
conn->info_state |= L2CAP_INFO_FEAT_MASK_REQ_DONE;
conn->info_ident = 0;
l2cap_conn_start(conn);
return 0;
}
if (type == L2CAP_IT_FEAT_MASK) {
conn->feat_mask = get_unaligned_le32(rsp->data);

2
net/bluetooth/rfcomm/tty.c
View File

@ -1183,7 +1183,7 @@ int __init rfcomm_init_ttys(void)
return 0;
}
void __exit rfcomm_cleanup_ttys(void)
void rfcomm_cleanup_ttys(void)
{
tty_unregister_driver(rfcomm_tty_driver);
put_tty_driver(rfcomm_tty_driver);

2
net/mac80211/main.c
View File

@ -685,10 +685,12 @@ int ieee80211_register_hw(struct ieee80211_hw *hw)
return 0;
#ifdef CONFIG_INET
fail_ifa:
pm_qos_remove_notifier(PM_QOS_NETWORK_LATENCY,
&local->network_latency_notifier);
rtnl_lock();
#endif
fail_pm_qos:
ieee80211_led_exit(local);
ieee80211_remove_interfaces(local);

14
net/mac80211/scan.c
View File

@ -400,19 +400,7 @@ static int __ieee80211_start_scan(struct ieee80211_sub_if_data *sdata,
else
__set_bit(SCAN_SW_SCANNING, &local->scanning);
/*
* Kicking off the scan need not be protected,
* only the scan variable stuff, since now
* local->scan_req is assigned and other callers
* will abort their scan attempts.
*
* This avoids too many locking dependencies
* so that the scan completed calls have more
* locking freedom.
*/
ieee80211_recalc_idle(local);
mutex_unlock(&local->scan_mtx);
if (local->ops->hw_scan) {
WARN_ON(!ieee80211_prep_hw_scan(local));
@ -420,8 +408,6 @@ static int __ieee80211_start_scan(struct ieee80211_sub_if_data *sdata,
} else
rc = ieee80211_start_sw_scan(local);
mutex_lock(&local->scan_mtx);
if (rc) {
kfree(local->hw_scan_req);
local->hw_scan_req = NULL;