reg = 0;
rt2x00_set_field32(®, PHY_CSR4_VALUE, value);
- if (rt2x00_rf(&rt2x00dev->chip, RF5225) ||
- rt2x00_rf(&rt2x00dev->chip, RF2527))
- rt2x00_set_field32(®, PHY_CSR4_NUMBER_OF_BITS, 21);
- else
- rt2x00_set_field32(®, PHY_CSR4_NUMBER_OF_BITS, 20);
-
+ /*
+ * RF5225 and RF2527 contain 21 bits per RF register value,
+ * all others contain 20 bits.
+ */
+ rt2x00_set_field32(®, PHY_CSR4_NUMBER_OF_BITS,
+ 20 + !!(rt2x00_rf(&rt2x00dev->chip, RF5225) ||
+ rt2x00_rf(&rt2x00dev->chip, RF2527)));
rt2x00_set_field32(®, PHY_CSR4_IF_SELECT, 0);
rt2x00_set_field32(®, PHY_CSR4_BUSY, 1);
/*
* Configuration handlers.
*/
-static void rt73usb_config_mac_addr(struct rt2x00_dev *rt2x00dev, u8 *addr)
+static void rt73usb_config_mac_addr(struct rt2x00_dev *rt2x00dev, __le32 *mac)
{
- __le32 reg[2];
u32 tmp;
- memset(®, 0, sizeof(reg));
- memcpy(®, addr, ETH_ALEN);
-
- tmp = le32_to_cpu(reg[1]);
+ tmp = le32_to_cpu(mac[1]);
rt2x00_set_field32(&tmp, MAC_CSR3_UNICAST_TO_ME_MASK, 0xff);
- reg[1] = cpu_to_le32(tmp);
+ mac[1] = cpu_to_le32(tmp);
- /*
- * The MAC address is passed to us as an array of bytes,
- * that array is little endian, so no need for byte ordering.
- */
- rt73usb_register_multiwrite(rt2x00dev, MAC_CSR2, ®, sizeof(reg));
+ rt73usb_register_multiwrite(rt2x00dev, MAC_CSR2, mac,
+ (2 * sizeof(__le32)));
}
-static void rt73usb_config_bssid(struct rt2x00_dev *rt2x00dev, u8 *bssid)
+static void rt73usb_config_bssid(struct rt2x00_dev *rt2x00dev, __le32 *bssid)
{
- __le32 reg[2];
u32 tmp;
- memset(®, 0, sizeof(reg));
- memcpy(®, bssid, ETH_ALEN);
-
- tmp = le32_to_cpu(reg[1]);
+ tmp = le32_to_cpu(bssid[1]);
rt2x00_set_field32(&tmp, MAC_CSR5_BSS_ID_MASK, 3);
- reg[1] = cpu_to_le32(tmp);
+ bssid[1] = cpu_to_le32(tmp);
- /*
- * The BSSID is passed to us as an array of bytes,
- * that array is little endian, so no need for byte ordering.
- */
- rt73usb_register_multiwrite(rt2x00dev, MAC_CSR4, ®, sizeof(reg));
+ rt73usb_register_multiwrite(rt2x00dev, MAC_CSR4, bssid,
+ (2 * sizeof(__le32)));
}
-static void rt73usb_config_type(struct rt2x00_dev *rt2x00dev, const int type)
+static void rt73usb_config_type(struct rt2x00_dev *rt2x00dev, const int type,
+ const int tsf_sync)
{
- struct interface *intf = &rt2x00dev->interface;
u32 reg;
/*
rt2x00_set_field32(®, TXRX_CSR9_TSF_TICKING, 1);
rt2x00_set_field32(®, TXRX_CSR9_TBTT_ENABLE, 1);
rt2x00_set_field32(®, TXRX_CSR9_BEACON_GEN, 0);
- if (is_interface_type(intf, IEEE80211_IF_TYPE_IBSS) ||
- is_interface_type(intf, IEEE80211_IF_TYPE_AP))
- rt2x00_set_field32(®, TXRX_CSR9_TSF_SYNC, 2);
- else if (is_interface_type(intf, IEEE80211_IF_TYPE_STA))
- rt2x00_set_field32(®, TXRX_CSR9_TSF_SYNC, 1);
- else
- rt2x00_set_field32(®, TXRX_CSR9_TSF_SYNC, 0);
+ rt2x00_set_field32(®, TXRX_CSR9_TSF_SYNC, tsf_sync);
rt73usb_register_write(rt2x00dev, TXRX_CSR9, reg);
}
-static void rt73usb_config_rate(struct rt2x00_dev *rt2x00dev, const int rate)
+static void rt73usb_config_preamble(struct rt2x00_dev *rt2x00dev,
+ const int short_preamble,
+ const int ack_timeout,
+ const int ack_consume_time)
{
- struct ieee80211_conf *conf = &rt2x00dev->hw->conf;
u32 reg;
- u32 value;
- u32 preamble;
- if (DEVICE_GET_RATE_FIELD(rate, PREAMBLE))
- preamble = SHORT_PREAMBLE;
- else
- preamble = PREAMBLE;
-
- reg = DEVICE_GET_RATE_FIELD(rate, RATEMASK) & DEV_BASIC_RATEMASK;
-
- rt73usb_register_write(rt2x00dev, TXRX_CSR5, reg);
+ /*
+ * When in atomic context, reschedule and let rt2x00lib
+ * call this function again.
+ */
+ if (in_atomic()) {
+ queue_work(rt2x00dev->hw->workqueue, &rt2x00dev->config_work);
+ return;
+ }
rt73usb_register_read(rt2x00dev, TXRX_CSR0, ®);
- value = ((conf->flags & IEEE80211_CONF_SHORT_SLOT_TIME) ?
- SHORT_DIFS : DIFS) +
- PLCP + preamble + get_duration(ACK_SIZE, 10);
- rt2x00_set_field32(®, TXRX_CSR0_RX_ACK_TIMEOUT, value);
+ rt2x00_set_field32(®, TXRX_CSR0_RX_ACK_TIMEOUT, ack_timeout);
rt73usb_register_write(rt2x00dev, TXRX_CSR0, reg);
rt73usb_register_read(rt2x00dev, TXRX_CSR4, ®);
- if (preamble == SHORT_PREAMBLE)
- rt2x00_set_field32(®, TXRX_CSR4_AUTORESPOND_PREAMBLE, 1);
- else
- rt2x00_set_field32(®, TXRX_CSR4_AUTORESPOND_PREAMBLE, 0);
+ rt2x00_set_field32(®, TXRX_CSR4_AUTORESPOND_PREAMBLE,
+ !!short_preamble);
rt73usb_register_write(rt2x00dev, TXRX_CSR4, reg);
}
static void rt73usb_config_phymode(struct rt2x00_dev *rt2x00dev,
- const int phymode)
+ const int basic_rate_mask)
{
- struct ieee80211_hw_mode *mode;
- struct ieee80211_rate *rate;
-
- if (phymode == MODE_IEEE80211A)
- rt2x00dev->curr_hwmode = HWMODE_A;
- else if (phymode == MODE_IEEE80211B)
- rt2x00dev->curr_hwmode = HWMODE_B;
- else
- rt2x00dev->curr_hwmode = HWMODE_G;
-
- mode = &rt2x00dev->hwmodes[rt2x00dev->curr_hwmode];
- rate = &mode->rates[mode->num_rates - 1];
-
- rt73usb_config_rate(rt2x00dev, rate->val2);
+ rt73usb_register_write(rt2x00dev, TXRX_CSR5, basic_rate_mask);
}
-static void rt73usb_config_lock_channel(struct rt2x00_dev *rt2x00dev,
- struct rf_channel *rf,
- const int txpower)
+static void rt73usb_config_channel(struct rt2x00_dev *rt2x00dev,
+ struct rf_channel *rf, const int txpower)
{
u8 r3;
u8 r94;
udelay(10);
}
-static void rt73usb_config_channel(struct rt2x00_dev *rt2x00dev,
- const int index, const int channel,
- const int txpower)
-{
- struct rf_channel rf;
-
- /*
- * Fill rf_reg structure.
- */
- memcpy(&rf, &rt2x00dev->spec.channels[index], sizeof(rf));
-
- rt73usb_config_lock_channel(rt2x00dev, &rf, txpower);
-}
-
static void rt73usb_config_txpower(struct rt2x00_dev *rt2x00dev,
const int txpower)
{
rt2x00_rf_read(rt2x00dev, 3, &rf.rf3);
rt2x00_rf_read(rt2x00dev, 4, &rf.rf4);
- rt73usb_config_lock_channel(rt2x00dev, &rf, txpower);
+ rt73usb_config_channel(rt2x00dev, &rf, txpower);
}
static void rt73usb_config_antenna_5x(struct rt2x00_dev *rt2x00dev,
- const int antenna_tx,
- const int antenna_rx)
+ struct antenna_setup *ant)
{
u8 r3;
u8 r4;
rt2x00_set_field8(&r3, BBP_R3_SMART_MODE, 0);
- switch (antenna_rx) {
- case ANTENNA_SW_DIVERSITY:
+ switch (ant->rx) {
case ANTENNA_HW_DIVERSITY:
rt2x00_set_field8(&r4, BBP_R4_RX_ANTENNA, 2);
rt2x00_set_field8(&r4, BBP_R4_RX_FRAME_END,
else
rt2x00_set_field8(&r77, BBP_R77_PAIR, 3);
break;
+ case ANTENNA_SW_DIVERSITY:
+ /*
+ * NOTE: We should never come here because rt2x00lib is
+ * supposed to catch this and send us the correct antenna
+ * explicitely. However we are nog going to bug about this.
+ * Instead, just default to antenna B.
+ */
case ANTENNA_B:
rt2x00_set_field8(&r4, BBP_R4_RX_ANTENNA, 1);
rt2x00_set_field8(&r4, BBP_R4_RX_FRAME_END, 0);
}
static void rt73usb_config_antenna_2x(struct rt2x00_dev *rt2x00dev,
- const int antenna_tx,
- const int antenna_rx)
+ struct antenna_setup *ant)
{
u8 r3;
u8 r4;
rt2x00_set_field8(&r4, BBP_R4_RX_FRAME_END,
!test_bit(CONFIG_FRAME_TYPE, &rt2x00dev->flags));
- switch (antenna_rx) {
- case ANTENNA_SW_DIVERSITY:
+ switch (ant->rx) {
case ANTENNA_HW_DIVERSITY:
rt2x00_set_field8(&r4, BBP_R4_RX_ANTENNA, 2);
break;
rt2x00_set_field8(&r4, BBP_R4_RX_ANTENNA, 1);
rt2x00_set_field8(&r77, BBP_R77_PAIR, 3);
break;
+ case ANTENNA_SW_DIVERSITY:
+ /*
+ * NOTE: We should never come here because rt2x00lib is
+ * supposed to catch this and send us the correct antenna
+ * explicitely. However we are nog going to bug about this.
+ * Instead, just default to antenna B.
+ */
case ANTENNA_B:
rt2x00_set_field8(&r4, BBP_R4_RX_ANTENNA, 1);
rt2x00_set_field8(&r77, BBP_R77_PAIR, 0);
};
static void rt73usb_config_antenna(struct rt2x00_dev *rt2x00dev,
- const int antenna_tx, const int antenna_rx)
+ struct antenna_setup *ant)
{
const struct antenna_sel *sel;
unsigned int lna;
if (rt2x00_rf(&rt2x00dev->chip, RF5226) ||
rt2x00_rf(&rt2x00dev->chip, RF5225))
- rt73usb_config_antenna_5x(rt2x00dev, antenna_tx, antenna_rx);
+ rt73usb_config_antenna_5x(rt2x00dev, ant);
else if (rt2x00_rf(&rt2x00dev->chip, RF2528) ||
rt2x00_rf(&rt2x00dev->chip, RF2527))
- rt73usb_config_antenna_2x(rt2x00dev, antenna_tx, antenna_rx);
+ rt73usb_config_antenna_2x(rt2x00dev, ant);
}
static void rt73usb_config_duration(struct rt2x00_dev *rt2x00dev,
- const int short_slot_time,
- const int beacon_int)
+ struct rt2x00lib_conf *libconf)
{
u32 reg;
rt73usb_register_read(rt2x00dev, MAC_CSR9, ®);
- rt2x00_set_field32(®, MAC_CSR9_SLOT_TIME,
- short_slot_time ? SHORT_SLOT_TIME : SLOT_TIME);
+ rt2x00_set_field32(®, MAC_CSR9_SLOT_TIME, libconf->slot_time);
rt73usb_register_write(rt2x00dev, MAC_CSR9, reg);
rt73usb_register_read(rt2x00dev, MAC_CSR8, ®);
- rt2x00_set_field32(®, MAC_CSR8_SIFS, SIFS);
+ rt2x00_set_field32(®, MAC_CSR8_SIFS, libconf->sifs);
rt2x00_set_field32(®, MAC_CSR8_SIFS_AFTER_RX_OFDM, 3);
- rt2x00_set_field32(®, MAC_CSR8_EIFS, EIFS);
+ rt2x00_set_field32(®, MAC_CSR8_EIFS, libconf->eifs);
rt73usb_register_write(rt2x00dev, MAC_CSR8, reg);
rt73usb_register_read(rt2x00dev, TXRX_CSR0, ®);
rt73usb_register_write(rt2x00dev, TXRX_CSR4, reg);
rt73usb_register_read(rt2x00dev, TXRX_CSR9, ®);
- rt2x00_set_field32(®, TXRX_CSR9_BEACON_INTERVAL, beacon_int * 16);
+ rt2x00_set_field32(®, TXRX_CSR9_BEACON_INTERVAL,
+ libconf->conf->beacon_int * 16);
rt73usb_register_write(rt2x00dev, TXRX_CSR9, reg);
}
static void rt73usb_config(struct rt2x00_dev *rt2x00dev,
const unsigned int flags,
- struct ieee80211_conf *conf)
+ struct rt2x00lib_conf *libconf)
{
- int short_slot_time = conf->flags & IEEE80211_CONF_SHORT_SLOT_TIME;
-
if (flags & CONFIG_UPDATE_PHYMODE)
- rt73usb_config_phymode(rt2x00dev, conf->phymode);
+ rt73usb_config_phymode(rt2x00dev, libconf->basic_rates);
if (flags & CONFIG_UPDATE_CHANNEL)
- rt73usb_config_channel(rt2x00dev, conf->channel_val,
- conf->channel, conf->power_level);
+ rt73usb_config_channel(rt2x00dev, &libconf->rf,
+ libconf->conf->power_level);
if ((flags & CONFIG_UPDATE_TXPOWER) && !(flags & CONFIG_UPDATE_CHANNEL))
- rt73usb_config_txpower(rt2x00dev, conf->power_level);
+ rt73usb_config_txpower(rt2x00dev, libconf->conf->power_level);
if (flags & CONFIG_UPDATE_ANTENNA)
- rt73usb_config_antenna(rt2x00dev, conf->antenna_sel_tx,
- conf->antenna_sel_rx);
+ rt73usb_config_antenna(rt2x00dev, &libconf->ant);
if (flags & (CONFIG_UPDATE_SLOT_TIME | CONFIG_UPDATE_BEACON_INT))
- rt73usb_config_duration(rt2x00dev, short_slot_time,
- conf->beacon_int);
+ rt73usb_config_duration(rt2x00dev, libconf);
}
/*
/*
* Link tuning
*/
-static void rt73usb_link_stats(struct rt2x00_dev *rt2x00dev)
+static void rt73usb_link_stats(struct rt2x00_dev *rt2x00dev,
+ struct link_qual *qual)
{
u32 reg;
* Update FCS error count from register.
*/
rt73usb_register_read(rt2x00dev, STA_CSR0, ®);
- rt2x00dev->link.rx_failed = rt2x00_get_field32(reg, STA_CSR0_FCS_ERROR);
+ qual->rx_failed = rt2x00_get_field32(reg, STA_CSR0_FCS_ERROR);
/*
* Update False CCA count from register.
*/
rt73usb_register_read(rt2x00dev, STA_CSR1, ®);
- reg = rt2x00_get_field32(reg, STA_CSR1_FALSE_CCA_ERROR);
- rt2x00dev->link.false_cca =
- rt2x00_get_field32(reg, STA_CSR1_FALSE_CCA_ERROR);
+ qual->false_cca = rt2x00_get_field32(reg, STA_CSR1_FALSE_CCA_ERROR);
}
static void rt73usb_reset_tuner(struct rt2x00_dev *rt2x00dev)
* r17 does not yet exceed upper limit, continue and base
* the r17 tuning on the false CCA count.
*/
- if (rt2x00dev->link.false_cca > 512 && r17 < up_bound) {
+ if (rt2x00dev->link.qual.false_cca > 512 && r17 < up_bound) {
r17 += 4;
if (r17 > up_bound)
r17 = up_bound;
rt73usb_bbp_write(rt2x00dev, 17, r17);
- } else if (rt2x00dev->link.false_cca < 100 && r17 > low_bound) {
+ } else if (rt2x00dev->link.qual.false_cca < 100 && r17 > low_bound) {
r17 -= 4;
if (r17 < low_bound)
r17 = low_bound;
rt2x00_desc_write(txd, 0, word);
}
+static int rt73usb_get_tx_data_len(struct rt2x00_dev *rt2x00dev,
+ struct sk_buff *skb)
+{
+ int length;
+
+ /*
+ * The length _must_ be a multiple of 4,
+ * but it must _not_ be a multiple of the USB packet size.
+ */
+ length = roundup(skb->len, 4);
+ length += (4 * !(length % rt2x00dev->usb_maxpacket));
+
+ return length;
+}
+
/*
* TX data initialization
*/
rt2x00_eeprom_read(rt2x00dev, EEPROM_ANTENNA, &word);
if (word == 0xffff) {
rt2x00_set_field16(&word, EEPROM_ANTENNA_NUM, 2);
- rt2x00_set_field16(&word, EEPROM_ANTENNA_TX_DEFAULT, 2);
- rt2x00_set_field16(&word, EEPROM_ANTENNA_RX_DEFAULT, 2);
+ rt2x00_set_field16(&word, EEPROM_ANTENNA_TX_DEFAULT,
+ ANTENNA_B);
+ rt2x00_set_field16(&word, EEPROM_ANTENNA_RX_DEFAULT,
+ ANTENNA_B);
rt2x00_set_field16(&word, EEPROM_ANTENNA_FRAME_TYPE, 0);
rt2x00_set_field16(&word, EEPROM_ANTENNA_DYN_TXAGC, 0);
rt2x00_set_field16(&word, EEPROM_ANTENNA_HARDWARE_RADIO, 0);
rt73usb_register_read(rt2x00dev, MAC_CSR0, ®);
rt2x00_set_chip(rt2x00dev, RT2571, value, reg);
- if (!rt2x00_rev(&rt2x00dev->chip, 0x25730)) {
+ if (!rt2x00_check_rev(&rt2x00dev->chip, 0x25730)) {
ERROR(rt2x00dev, "Invalid RT chipset detected.\n");
return -ENODEV;
}
/*
* Identify default antenna configuration.
*/
- rt2x00dev->hw->conf.antenna_sel_tx =
+ rt2x00dev->default_ant.tx =
rt2x00_get_field16(eeprom, EEPROM_ANTENNA_TX_DEFAULT);
- rt2x00dev->hw->conf.antenna_sel_rx =
+ rt2x00dev->default_ant.rx =
rt2x00_get_field16(eeprom, EEPROM_ANTENNA_RX_DEFAULT);
/*
*/
if (mc_count)
*total_flags |= FIF_ALLMULTI;
- if (changed_flags & FIF_OTHER_BSS ||
- changed_flags & FIF_PROMISC_IN_BSS)
+ if (*total_flags & FIF_OTHER_BSS ||
+ *total_flags & FIF_PROMISC_IN_BSS)
*total_flags |= FIF_PROMISC_IN_BSS | FIF_OTHER_BSS;
if (is_interface_type(intf, IEEE80211_IF_TYPE_AP))
*total_flags |= FIF_PROMISC_IN_BSS;
return tsf;
}
+#else
+#define rt73usb_get_tsf NULL
#endif
static void rt73usb_reset_tsf(struct ieee80211_hw *hw)
* First we create the beacon.
*/
skb_push(skb, TXD_DESC_SIZE);
+ memset(skb->data, 0, TXD_DESC_SIZE);
+
rt2x00lib_write_tx_desc(rt2x00dev, (struct data_desc *)skb->data,
(struct ieee80211_hdr *)(skb->data +
TXD_DESC_SIZE),
.configure_filter = rt73usb_configure_filter,
.get_stats = rt2x00mac_get_stats,
.set_retry_limit = rt73usb_set_retry_limit,
+ .erp_ie_changed = rt2x00mac_erp_ie_changed,
.conf_tx = rt2x00mac_conf_tx,
.get_tx_stats = rt2x00mac_get_tx_stats,
-#if 0
-/*
- * See comment at the rt73usb_get_tsf function.
- */
.get_tsf = rt73usb_get_tsf,
-#endif
.reset_tsf = rt73usb_reset_tsf,
.beacon_update = rt73usb_beacon_update,
};
.link_tuner = rt73usb_link_tuner,
.write_tx_desc = rt73usb_write_tx_desc,
.write_tx_data = rt2x00usb_write_tx_data,
+ .get_tx_data_len = rt73usb_get_tx_data_len,
.kick_tx_queue = rt73usb_kick_tx_queue,
.fill_rxdone = rt73usb_fill_rxdone,
.config_mac_addr = rt73usb_config_mac_addr,
.config_bssid = rt73usb_config_bssid,
.config_type = rt73usb_config_type,
+ .config_preamble = rt73usb_config_preamble,
.config = rt73usb_config,
};
{ USB_DEVICE(0x050d, 0x7050), USB_DEVICE_DATA(&rt73usb_ops) },
{ USB_DEVICE(0x050d, 0x705a), USB_DEVICE_DATA(&rt73usb_ops) },
{ USB_DEVICE(0x050d, 0x905b), USB_DEVICE_DATA(&rt73usb_ops) },
+ { USB_DEVICE(0x050d, 0x905c), USB_DEVICE_DATA(&rt73usb_ops) },
/* Billionton */
{ USB_DEVICE(0x1631, 0xc019), USB_DEVICE_DATA(&rt73usb_ops) },
/* Buffalo */
projects / linux-2.6 / blobdiff