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rt2x00: Cleanup mode registration 

Don't wildly pass any number for num_rates to rt2x00lib,
instead pass which type of rates are supported (CCK, OFDM).
Same for num_modes but then for the 2GHZ and 5GHZ band.

This makes the interface look much nicer and makes
extending it later easier.

Signed-off-by: Ivo van Doorn <IvDoorn@gmail.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
This commit is contained in:
Ivo van Doorn 2008-02-17 17:35:05 +01:00 committed by John W. Linville
parent de99ff82cd
commit 31562e802a
8 changed files with 81 additions and 72 deletions
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4
drivers/net/wireless/rt2x00/rt2400pci.c
View File

@ -1352,8 +1352,8 @@ static void rt2400pci_probe_hw_mode(struct rt2x00_dev *rt2x00dev)
/*
* Initialize hw_mode information.
*/
spec->num_modes = 1;
spec->num_rates = 4;
spec->supported_bands = SUPPORT_BAND_2GHZ;
spec->supported_rates = SUPPORT_RATE_CCK;
spec->tx_power_a = NULL;
spec->tx_power_bg = txpower;
spec->tx_power_default = DEFAULT_TXPOWER;

6
drivers/net/wireless/rt2x00/rt2500pci.c
View File

@ -1666,8 +1666,8 @@ static void rt2500pci_probe_hw_mode(struct rt2x00_dev *rt2x00dev)
/*
* Initialize hw_mode information.
*/
spec->num_modes = 2;
spec->num_rates = 12;
spec->supported_bands = SUPPORT_BAND_2GHZ;
spec->supported_rates = SUPPORT_RATE_CCK | SUPPORT_RATE_OFDM;
spec->tx_power_a = NULL;
spec->tx_power_bg = txpower;
spec->tx_power_default = DEFAULT_TXPOWER;
@ -1688,9 +1688,9 @@ static void rt2500pci_probe_hw_mode(struct rt2x00_dev *rt2x00dev)
spec->num_channels = ARRAY_SIZE(rf_vals_bg_2525e);
spec->channels = rf_vals_bg_2525e;
} else if (rt2x00_rf(&rt2x00dev->chip, RF5222)) {
spec->supported_bands |= SUPPORT_BAND_5GHZ;
spec->num_channels = ARRAY_SIZE(rf_vals_5222);
spec->channels = rf_vals_5222;
spec->num_modes = 3;
}
}

6
drivers/net/wireless/rt2x00/rt2500usb.c
View File

@ -1586,8 +1586,8 @@ static void rt2500usb_probe_hw_mode(struct rt2x00_dev *rt2x00dev)
/*
* Initialize hw_mode information.
*/
spec->num_modes = 2;
spec->num_rates = 12;
spec->supported_bands = SUPPORT_BAND_2GHZ;
spec->supported_rates = SUPPORT_RATE_CCK | SUPPORT_RATE_OFDM;
spec->tx_power_a = NULL;
spec->tx_power_bg = txpower;
spec->tx_power_default = DEFAULT_TXPOWER;
@ -1608,9 +1608,9 @@ static void rt2500usb_probe_hw_mode(struct rt2x00_dev *rt2x00dev)
spec->num_channels = ARRAY_SIZE(rf_vals_bg_2525e);
spec->channels = rf_vals_bg_2525e;
} else if (rt2x00_rf(&rt2x00dev->chip, RF5222)) {
spec->supported_bands |= SUPPORT_BAND_5GHZ;
spec->num_channels = ARRAY_SIZE(rf_vals_5222);
spec->channels = rf_vals_5222;
spec->num_modes = 3;
}
}

38
drivers/net/wireless/rt2x00/rt2x00.h
View File

@ -392,30 +392,38 @@ static inline struct rt2x00_intf* vif_to_intf(struct ieee80211_vif *vif)
return (struct rt2x00_intf *)vif->drv_priv;
}
/*
/**
* struct hw_mode_spec: Hardware specifications structure
*
* Details about the supported modes, rates and channels
* of a particular chipset. This is used by rt2x00lib
* to build the ieee80211_hw_mode array for mac80211.
*
* @supported_bands: Bitmask contained the supported bands (2.4GHz, 5.2GHz).
* @supported_rates: Rate types which are supported (CCK, OFDM).
* @num_channels: Number of supported channels. This is used as array size
* for @tx_power_a, @tx_power_bg and @channels.
* channels: Device/chipset specific channel values (See &struct rf_channel).
* @tx_power_a: TX power values for all 5.2GHz channels (may be NULL).
* @tx_power_bg: TX power values for all 2.4GHz channels (may be NULL).
* @tx_power_default: Default TX power value to use when either
* @tx_power_a or @tx_power_bg is missing.
*/
struct hw_mode_spec {
/*
* Number of modes, rates and channels.
*/
int num_modes;
int num_rates;
int num_channels;
unsigned int supported_bands;
#define SUPPORT_BAND_2GHZ 0x00000001
#define SUPPORT_BAND_5GHZ 0x00000002
unsigned int supported_rates;
#define SUPPORT_RATE_CCK 0x00000001
#define SUPPORT_RATE_OFDM 0x00000002
unsigned int num_channels;
const struct rf_channel *channels;
/*
* txpower values.
*/
const u8 *tx_power_a;
const u8 *tx_power_bg;
u8 tx_power_default;
/*
* Device/chipset specific value.
*/
const struct rf_channel *channels;
};
/*

80
drivers/net/wireless/rt2x00/rt2x00dev.c
View File

@ -767,25 +767,25 @@ EXPORT_SYMBOL_GPL(rt2x00lib_write_tx_desc);
*/
const struct rt2x00_rate rt2x00_supported_rates[12] = {
{
.flags = 0,
.flags = DEV_RATE_CCK,
.bitrate = 10,
.ratemask = DEV_RATEMASK_1MB,
.plcp = 0x00,
},
{
.flags = DEV_RATE_SHORT_PREAMBLE,
.flags = DEV_RATE_CCK | DEV_RATE_SHORT_PREAMBLE,
.bitrate = 20,
.ratemask = DEV_RATEMASK_2MB,
.plcp = 0x01,
},
{
.flags = DEV_RATE_SHORT_PREAMBLE,
.flags = DEV_RATE_CCK | DEV_RATE_SHORT_PREAMBLE,
.bitrate = 55,
.ratemask = DEV_RATEMASK_5_5MB,
.plcp = 0x02,
},
{
.flags = DEV_RATE_SHORT_PREAMBLE,
.flags = DEV_RATE_CCK | DEV_RATE_SHORT_PREAMBLE,
.bitrate = 110,
.ratemask = DEV_RATEMASK_11MB,
.plcp = 0x03,
@ -868,67 +868,64 @@ static int rt2x00lib_probe_hw_modes(struct rt2x00_dev *rt2x00dev,
struct hw_mode_spec *spec)
{
struct ieee80211_hw *hw = rt2x00dev->hw;
struct ieee80211_supported_band *sbands;
struct ieee80211_channel *channels;
struct ieee80211_rate *rates;
unsigned int num_rates;
unsigned int i;
unsigned char tx_power;
sbands = &rt2x00dev->bands[0];
num_rates = 0;
if (spec->supported_rates & SUPPORT_RATE_CCK)
num_rates += 4;
if (spec->supported_rates & SUPPORT_RATE_OFDM)
num_rates += 8;
channels = kzalloc(sizeof(*channels) * spec->num_channels, GFP_KERNEL);
if (!channels)
return -ENOMEM;
rates = kzalloc(sizeof(*rates) * spec->num_rates, GFP_KERNEL);
rates = kzalloc(sizeof(*rates) * num_rates, GFP_KERNEL);
if (!rates)
goto exit_free_channels;
/*
* Initialize Rate list.
*/
for (i = 0; i < spec->num_rates; i++)
for (i = 0; i < num_rates; i++)
rt2x00lib_rate(&rates[i], i, rt2x00_get_rate(i));
/*
* Initialize Channel list.
*/
for (i = 0; i < spec->num_channels; i++) {
if (spec->channels[i].channel <= 14)
tx_power = spec->tx_power_bg[i];
else if (spec->tx_power_a)
tx_power = spec->tx_power_a[i];
else
tx_power = spec->tx_power_default;
if (spec->channels[i].channel <= 14) {
if (spec->tx_power_bg)
tx_power = spec->tx_power_bg[i];
else
tx_power = spec->tx_power_default;
} else {
if (spec->tx_power_a)
tx_power = spec->tx_power_a[i];
else
tx_power = spec->tx_power_default;
}
rt2x00lib_channel(&channels[i],
spec->channels[i].channel, tx_power, i);
}
/*
* Intitialize 802.11b
* Rates: CCK.
* Channels: 2.4 GHz
*/
if (spec->num_modes > 0) {
sbands[IEEE80211_BAND_2GHZ].n_channels = 14;
sbands[IEEE80211_BAND_2GHZ].n_bitrates = 4;
sbands[IEEE80211_BAND_2GHZ].channels = channels;
sbands[IEEE80211_BAND_2GHZ].bitrates = rates;
hw->wiphy->bands[IEEE80211_BAND_2GHZ] = &rt2x00dev->bands[IEEE80211_BAND_2GHZ];
}
/*
* Intitialize 802.11g
* Intitialize 802.11b, 802.11g
* Rates: CCK, OFDM.
* Channels: 2.4 GHz
*/
if (spec->num_modes > 1) {
sbands[IEEE80211_BAND_2GHZ].n_channels = 14;
sbands[IEEE80211_BAND_2GHZ].n_bitrates = spec->num_rates;
sbands[IEEE80211_BAND_2GHZ].channels = channels;
sbands[IEEE80211_BAND_2GHZ].bitrates = rates;
hw->wiphy->bands[IEEE80211_BAND_2GHZ] = &rt2x00dev->bands[IEEE80211_BAND_2GHZ];
if (spec->supported_bands > SUPPORT_BAND_2GHZ) {
rt2x00dev->bands[IEEE80211_BAND_2GHZ].n_channels = 14;
rt2x00dev->bands[IEEE80211_BAND_2GHZ].n_bitrates = num_rates;
rt2x00dev->bands[IEEE80211_BAND_2GHZ].channels = channels;
rt2x00dev->bands[IEEE80211_BAND_2GHZ].bitrates = rates;
hw->wiphy->bands[IEEE80211_BAND_2GHZ] =
&rt2x00dev->bands[IEEE80211_BAND_2GHZ];
}
/*
@ -936,12 +933,15 @@ static int rt2x00lib_probe_hw_modes(struct rt2x00_dev *rt2x00dev,
* Rates: OFDM.
* Channels: OFDM, UNII, HiperLAN2.
*/
if (spec->num_modes > 2) {
sbands[IEEE80211_BAND_5GHZ].n_channels = spec->num_channels - 14;
sbands[IEEE80211_BAND_5GHZ].n_bitrates = spec->num_rates - 4;
sbands[IEEE80211_BAND_5GHZ].channels = &channels[14];
sbands[IEEE80211_BAND_5GHZ].bitrates = &rates[4];
hw->wiphy->bands[IEEE80211_BAND_5GHZ] = &rt2x00dev->bands[IEEE80211_BAND_5GHZ];
if (spec->supported_bands > SUPPORT_BAND_5GHZ) {
rt2x00dev->bands[IEEE80211_BAND_5GHZ].n_channels =
spec->num_channels - 14;
rt2x00dev->bands[IEEE80211_BAND_5GHZ].n_bitrates =
num_rates - 4;
rt2x00dev->bands[IEEE80211_BAND_5GHZ].channels = &channels[14];
rt2x00dev->bands[IEEE80211_BAND_5GHZ].bitrates = &rates[4];
hw->wiphy->bands[IEEE80211_BAND_5GHZ] =
&rt2x00dev->bands[IEEE80211_BAND_5GHZ];
}
return 0;

5
drivers/net/wireless/rt2x00/rt2x00lib.h
View File

@ -38,8 +38,9 @@
*/
struct rt2x00_rate {
unsigned short flags;
#define DEV_RATE_OFDM 0x0001
#define DEV_RATE_SHORT_PREAMBLE 0x0002
#define DEV_RATE_CCK 0x0001
#define DEV_RATE_OFDM 0x0002
#define DEV_RATE_SHORT_PREAMBLE 0x0004
unsigned short bitrate; /* In 100kbit/s */

6
drivers/net/wireless/rt2x00/rt61pci.c
View File

@ -2209,8 +2209,8 @@ static void rt61pci_probe_hw_mode(struct rt2x00_dev *rt2x00dev)
/*
* Initialize hw_mode information.
*/
spec->num_modes = 2;
spec->num_rates = 12;
spec->supported_bands = SUPPORT_BAND_2GHZ;
spec->supported_rates = SUPPORT_RATE_CCK | SUPPORT_RATE_OFDM;
spec->tx_power_a = NULL;
spec->tx_power_bg = txpower;
spec->tx_power_default = DEFAULT_TXPOWER;
@ -2225,7 +2225,7 @@ static void rt61pci_probe_hw_mode(struct rt2x00_dev *rt2x00dev)
if (rt2x00_rf(&rt2x00dev->chip, RF5225) ||
rt2x00_rf(&rt2x00dev->chip, RF5325)) {
spec->num_modes = 3;
spec->supported_bands |= SUPPORT_BAND_5GHZ;
spec->num_channels = ARRAY_SIZE(rf_vals_seq);
txpower = rt2x00_eeprom_addr(rt2x00dev, EEPROM_TXPOWER_A_START);

8
drivers/net/wireless/rt2x00/rt73usb.c
View File

@ -1791,8 +1791,8 @@ static void rt73usb_probe_hw_mode(struct rt2x00_dev *rt2x00dev)
/*
* Initialize hw_mode information.
*/
spec->num_modes = 2;
spec->num_rates = 12;
spec->supported_bands = SUPPORT_BAND_2GHZ;
spec->supported_rates = SUPPORT_RATE_CCK | SUPPORT_RATE_OFDM;
spec->tx_power_a = NULL;
spec->tx_power_bg = txpower;
spec->tx_power_default = DEFAULT_TXPOWER;
@ -1801,20 +1801,20 @@ static void rt73usb_probe_hw_mode(struct rt2x00_dev *rt2x00dev)
spec->num_channels = ARRAY_SIZE(rf_vals_bg_2528);
spec->channels = rf_vals_bg_2528;
} else if (rt2x00_rf(&rt2x00dev->chip, RF5226)) {
spec->supported_bands |= SUPPORT_BAND_5GHZ;
spec->num_channels = ARRAY_SIZE(rf_vals_5226);
spec->channels = rf_vals_5226;
} else if (rt2x00_rf(&rt2x00dev->chip, RF2527)) {
spec->num_channels = 14;
spec->channels = rf_vals_5225_2527;
} else if (rt2x00_rf(&rt2x00dev->chip, RF5225)) {
spec->supported_bands |= SUPPORT_BAND_5GHZ;
spec->num_channels = ARRAY_SIZE(rf_vals_5225_2527);
spec->channels = rf_vals_5225_2527;
}
if (rt2x00_rf(&rt2x00dev->chip, RF5225) ||
rt2x00_rf(&rt2x00dev->chip, RF5226)) {
spec->num_modes = 3;
txpower = rt2x00_eeprom_addr(rt2x00dev, EEPROM_TXPOWER_A_START);
for (i = 0; i < 14; i++)
txpower[i] = TXPOWER_FROM_DEV(txpower[i]);