Supported chipsets: rt2571W & rt2671.
*/
+#include <linux/crc-itu-t.h>
#include <linux/delay.h>
#include <linux/etherdevice.h>
#include <linux/init.h>
unsigned int bg_mode =
(enabled && led->rt2x00dev->curr_band == IEEE80211_BAND_2GHZ);
+ if (in_atomic()) {
+ NOTICE(led->rt2x00dev,
+ "Ignoring LED brightness command for led %d\n",
+ led->type);
+ return;
+ }
+
if (led->type == LED_TYPE_RADIO) {
rt2x00_set_field16(&led->rt2x00dev->led_mcu_reg,
MCU_LEDCS_RADIO_STATUS, enabled);
- rt2x00usb_vendor_request_sw(led->rt2x00dev, USB_LED_CONTROL, 0,
- led->rt2x00dev->led_mcu_reg,
+ rt2x00usb_vendor_request_sw(led->rt2x00dev, USB_LED_CONTROL,
+ 0, led->rt2x00dev->led_mcu_reg,
REGISTER_TIMEOUT);
} else if (led->type == LED_TYPE_ASSOC) {
rt2x00_set_field16(&led->rt2x00dev->led_mcu_reg,
rt2x00_set_field16(&led->rt2x00dev->led_mcu_reg,
MCU_LEDCS_LINK_A_STATUS, a_mode);
- rt2x00usb_vendor_request_sw(led->rt2x00dev, USB_LED_CONTROL, 0,
- led->rt2x00dev->led_mcu_reg,
+ rt2x00usb_vendor_request_sw(led->rt2x00dev, USB_LED_CONTROL,
+ 0, led->rt2x00dev->led_mcu_reg,
REGISTER_TIMEOUT);
} else if (led->type == LED_TYPE_QUALITY) {
/*
/*
* Configuration handlers.
*/
+static void rt73usb_config_filter(struct rt2x00_dev *rt2x00dev,
+ const unsigned int filter_flags)
+{
+ u32 reg;
+
+ /*
+ * Start configuration steps.
+ * Note that the version error will always be dropped
+ * and broadcast frames will always be accepted since
+ * there is no filter for it at this time.
+ */
+ rt73usb_register_read(rt2x00dev, TXRX_CSR0, ®);
+ rt2x00_set_field32(®, TXRX_CSR0_DROP_CRC,
+ !(filter_flags & FIF_FCSFAIL));
+ rt2x00_set_field32(®, TXRX_CSR0_DROP_PHYSICAL,
+ !(filter_flags & FIF_PLCPFAIL));
+ rt2x00_set_field32(®, TXRX_CSR0_DROP_CONTROL,
+ !(filter_flags & FIF_CONTROL));
+ rt2x00_set_field32(®, TXRX_CSR0_DROP_NOT_TO_ME,
+ !(filter_flags & FIF_PROMISC_IN_BSS));
+ rt2x00_set_field32(®, TXRX_CSR0_DROP_TO_DS,
+ !(filter_flags & FIF_PROMISC_IN_BSS));
+ rt2x00_set_field32(®, TXRX_CSR0_DROP_VERSION_ERROR, 1);
+ rt2x00_set_field32(®, TXRX_CSR0_DROP_MULTICAST,
+ !(filter_flags & FIF_ALLMULTI));
+ rt2x00_set_field32(®, TXRX_CSR0_DROP_BROADCAST, 0);
+ rt2x00_set_field32(®, TXRX_CSR0_DROP_ACK_CTS,
+ !(filter_flags & FIF_CONTROL));
+ rt73usb_register_write(rt2x00dev, TXRX_CSR0, reg);
+}
+
static void rt73usb_config_intf(struct rt2x00_dev *rt2x00dev,
struct rt2x00_intf *intf,
struct rt2x00intf_conf *conf,
* bits which (when set to 0) will invalidate the entire beacon.
*/
beacon_base = HW_BEACON_OFFSET(intf->beacon->entry_idx);
- rt73usb_register_write(rt2x00dev, TXRX_CSR9, 0);
rt73usb_register_write(rt2x00dev, beacon_base, 0);
/*
*/
rt73usb_register_read(rt2x00dev, TXRX_CSR9, ®);
rt2x00_set_field32(®, TXRX_CSR9_TSF_TICKING, 1);
- rt2x00_set_field32(®, TXRX_CSR9_TBTT_ENABLE,
- (conf->sync == TSF_SYNC_BEACON));
- rt2x00_set_field32(®, TXRX_CSR9_BEACON_GEN, 0);
rt2x00_set_field32(®, TXRX_CSR9_TSF_SYNC, conf->sync);
+ rt2x00_set_field32(®, TXRX_CSR9_TBTT_ENABLE, 1);
rt73usb_register_write(rt2x00dev, TXRX_CSR9, reg);
}
}
}
-static int rt73usb_config_preamble(struct rt2x00_dev *rt2x00dev,
- const int short_preamble,
- const int ack_timeout,
- const int ack_consume_time)
+static void rt73usb_config_erp(struct rt2x00_dev *rt2x00dev,
+ struct rt2x00lib_erp *erp)
{
u32 reg;
- /*
- * When in atomic context, we should let rt2x00lib
- * try this configuration again later.
- */
- if (in_atomic())
- return -EAGAIN;
-
rt73usb_register_read(rt2x00dev, TXRX_CSR0, ®);
- rt2x00_set_field32(®, TXRX_CSR0_RX_ACK_TIMEOUT, ack_timeout);
+ rt2x00_set_field32(®, TXRX_CSR0_RX_ACK_TIMEOUT, erp->ack_timeout);
rt73usb_register_write(rt2x00dev, TXRX_CSR0, reg);
rt73usb_register_read(rt2x00dev, TXRX_CSR4, ®);
rt2x00_set_field32(®, TXRX_CSR4_AUTORESPOND_PREAMBLE,
- !!short_preamble);
+ !!erp->short_preamble);
rt73usb_register_write(rt2x00dev, TXRX_CSR4, reg);
-
- return 0;
}
static void rt73usb_config_phymode(struct rt2x00_dev *rt2x00dev,
else
rt2x00_set_field8(&r77, BBP_R77_RX_ANTENNA, 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:
+ default:
rt2x00_set_field8(&r4, BBP_R4_RX_ANTENNA_CONTROL, 1);
rt2x00_set_field8(&r4, BBP_R4_RX_FRAME_END, 0);
if (rt2x00dev->curr_band == IEEE80211_BAND_5GHZ)
rt2x00_set_field8(&r77, BBP_R77_RX_ANTENNA, 3);
rt2x00_set_field8(&r4, BBP_R4_RX_ANTENNA_CONTROL, 1);
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:
+ default:
rt2x00_set_field8(&r77, BBP_R77_RX_ANTENNA, 0);
rt2x00_set_field8(&r4, BBP_R4_RX_ANTENNA_CONTROL, 1);
break;
unsigned int i;
u32 reg;
+ /*
+ * We should never come here because rt2x00lib is supposed
+ * to catch this and send us the correct antenna explicitely.
+ */
+ BUG_ON(ant->rx == ANTENNA_SW_DIVERSITY ||
+ ant->tx == ANTENNA_SW_DIVERSITY);
+
if (rt2x00dev->curr_band == IEEE80211_BAND_5GHZ) {
sel = antenna_sel_a;
lna = test_bit(CONFIG_EXTERNAL_LNA_A, &rt2x00dev->flags);
}
/*
- * Firmware name function.
+ * Firmware functions
*/
static char *rt73usb_get_firmware_name(struct rt2x00_dev *rt2x00dev)
{
return FIRMWARE_RT2571;
}
-/*
- * Initialization functions.
- */
+static u16 rt73usb_get_firmware_crc(void *data, const size_t len)
+{
+ u16 crc;
+
+ /*
+ * Use the crc itu-t algorithm.
+ * The last 2 bytes in the firmware array are the crc checksum itself,
+ * this means that we should never pass those 2 bytes to the crc
+ * algorithm.
+ */
+ crc = crc_itu_t(0, data, len - 2);
+ crc = crc_itu_t_byte(crc, 0);
+ crc = crc_itu_t_byte(crc, 0);
+
+ return crc;
+}
+
static int rt73usb_load_firmware(struct rt2x00_dev *rt2x00dev, void *data,
const size_t len)
{
rt2x00usb_vendor_request(rt2x00dev, USB_MULTI_WRITE,
USB_VENDOR_REQUEST_OUT,
- FIRMWARE_IMAGE_BASE + i, 0x0000,
+ FIRMWARE_IMAGE_BASE + i, 0,
cache, buflen, timeout);
ptr += buflen;
* we need to specify a long timeout time.
*/
status = rt2x00usb_vendor_request_sw(rt2x00dev, USB_DEVICE_MODE,
- 0x0000, USB_MODE_FIRMWARE,
+ 0, USB_MODE_FIRMWARE,
REGISTER_TIMEOUT_FIRMWARE);
if (status < 0) {
ERROR(rt2x00dev, "Failed to write Firmware to device.\n");
return 0;
}
+/*
+ * Initialization functions.
+ */
static int rt73usb_init_registers(struct rt2x00_dev *rt2x00dev)
{
u32 reg;
rt73usb_bbp_write(rt2x00dev, 102, 0x16);
rt73usb_bbp_write(rt2x00dev, 107, 0x04);
- DEBUG(rt2x00dev, "Start initialization from EEPROM...\n");
for (i = 0; i < EEPROM_BBP_SIZE; i++) {
rt2x00_eeprom_read(rt2x00dev, EEPROM_BBP_START + i, &eeprom);
if (eeprom != 0xffff && eeprom != 0x0000) {
reg_id = rt2x00_get_field16(eeprom, EEPROM_BBP_REG_ID);
value = rt2x00_get_field16(eeprom, EEPROM_BBP_VALUE);
- DEBUG(rt2x00dev, "BBP: 0x%02x, value: 0x%02x.\n",
- reg_id, value);
rt73usb_bbp_write(rt2x00dev, reg_id, value);
}
}
- DEBUG(rt2x00dev, "...End initialization from EEPROM.\n");
return 0;
}
rt2x00_desc_write(txd, 2, word);
rt2x00_desc_read(txd, 5, &word);
-/* XXX: removed for now
rt2x00_set_field32(&word, TXD_W5_TX_POWER,
- TXPOWER_TO_DEV(control->power_level));
- */
+ TXPOWER_TO_DEV(rt2x00dev->tx_power));
rt2x00_set_field32(&word, TXD_W5_WAITING_DMA_DONE_INT, 1);
rt2x00_desc_write(txd, 5, word);
rt73usb_register_read(rt2x00dev, TXRX_CSR9, ®);
if (!rt2x00_get_field32(reg, TXRX_CSR9_BEACON_GEN)) {
+ rt2x00_set_field32(®, TXRX_CSR9_TSF_TICKING, 1);
+ rt2x00_set_field32(®, TXRX_CSR9_TBTT_ENABLE, 1);
rt2x00_set_field32(®, TXRX_CSR9_BEACON_GEN, 1);
rt73usb_register_write(rt2x00dev, TXRX_CSR9, reg);
}
{
struct skb_frame_desc *skbdesc = get_skb_frame_desc(entry->skb);
__le32 *rxd = (__le32 *)entry->skb->data;
- struct ieee80211_hdr *hdr =
- (struct ieee80211_hdr *)entry->skb->data + entry->queue->desc_size;
- int header_size = ieee80211_get_hdrlen(le16_to_cpu(hdr->frame_control));
+ unsigned int offset = entry->queue->desc_size + 2;
u32 word0;
u32 word1;
+ /*
+ * Copy descriptor to the available headroom inside the skbuffer.
+ */
+ skb_push(entry->skb, offset);
+ memcpy(entry->skb->data, rxd, entry->queue->desc_size);
+ rxd = (__le32 *)entry->skb->data;
+
+ /*
+ * The descriptor is now aligned to 4 bytes and thus it is
+ * now safe to read it on all architectures.
+ */
rt2x00_desc_read(rxd, 0, &word0);
rt2x00_desc_read(rxd, 1, &word1);
/*
* Obtain the status about this packet.
+ * When frame was received with an OFDM bitrate,
+ * the signal is the PLCP value. If it was received with
+ * a CCK bitrate the signal is the rate in 100kbit/s.
*/
rxdesc->signal = rt2x00_get_field32(word1, RXD_W1_SIGNAL);
rxdesc->rssi = rt73usb_agc_to_rssi(entry->queue->rt2x00dev, word1);
- rxdesc->ofdm = rt2x00_get_field32(word0, RXD_W0_OFDM);
rxdesc->size = rt2x00_get_field32(word0, RXD_W0_DATABYTE_COUNT);
- rxdesc->my_bss = !!rt2x00_get_field32(word0, RXD_W0_MY_BSS);
+
+ rxdesc->dev_flags = 0;
+ if (rt2x00_get_field32(word0, RXD_W0_OFDM))
+ rxdesc->dev_flags |= RXDONE_SIGNAL_PLCP;
+ if (rt2x00_get_field32(word0, RXD_W0_MY_BSS))
+ rxdesc->dev_flags |= RXDONE_MY_BSS;
/*
- * The data behind the ieee80211 header must be
- * aligned on a 4 byte boundary.
+ * Adjust the skb memory window to the frame boundaries.
*/
- if (header_size % 4 == 0) {
- skb_push(entry->skb, 2);
- memmove(entry->skb->data, entry->skb->data + 2,
- entry->skb->len - 2);
- }
+ skb_pull(entry->skb, offset + entry->queue->desc_size);
+ skb_trim(entry->skb, rxdesc->size);
/*
* Set descriptor and data pointer.
*/
- skbdesc->data = entry->skb->data + entry->queue->desc_size;
- skbdesc->data_len = entry->queue->data_size;
- skbdesc->desc = entry->skb->data;
+ skbdesc->data = entry->skb->data;
+ skbdesc->data_len = rxdesc->size;
+ skbdesc->desc = rxd;
skbdesc->desc_len = entry->queue->desc_size;
-
- /*
- * Remove descriptor from skb buffer and trim the whole thing
- * down to only contain data.
- */
- skb_pull(entry->skb, skbdesc->desc_len);
- skb_trim(entry->skb, rxdesc->size);
}
/*
rt2x00_set_field16(&word, EEPROM_RSSI_OFFSET_A_1, 0);
rt2x00_set_field16(&word, EEPROM_RSSI_OFFSET_A_2, 0);
rt2x00_eeprom_write(rt2x00dev, EEPROM_RSSI_OFFSET_A, word);
- EEPROM(rt2x00dev, "RSSI OFFSET BG: 0x%04x\n", word);
+ EEPROM(rt2x00dev, "RSSI OFFSET A: 0x%04x\n", word);
} else {
value = rt2x00_get_field16(word, EEPROM_RSSI_OFFSET_A_1);
if (value < -10 || value > 10)
/*
* 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;
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]);
* This device requires firmware.
*/
__set_bit(DRIVER_REQUIRE_FIRMWARE, &rt2x00dev->flags);
- __set_bit(DRIVER_REQUIRE_FIRMWARE_CRC_ITU_T, &rt2x00dev->flags);
+ __set_bit(DRIVER_REQUIRE_SCHEDULED, &rt2x00dev->flags);
/*
* Set the rssi offset.
/*
* IEEE80211 stack callback functions.
*/
-static void rt73usb_configure_filter(struct ieee80211_hw *hw,
- unsigned int changed_flags,
- unsigned int *total_flags,
- int mc_count,
- struct dev_addr_list *mc_list)
-{
- struct rt2x00_dev *rt2x00dev = hw->priv;
- u32 reg;
-
- /*
- * Mask off any flags we are going to ignore from
- * the total_flags field.
- */
- *total_flags &=
- FIF_ALLMULTI |
- FIF_FCSFAIL |
- FIF_PLCPFAIL |
- FIF_CONTROL |
- FIF_OTHER_BSS |
- FIF_PROMISC_IN_BSS;
-
- /*
- * Apply some rules to the filters:
- * - Some filters imply different filters to be set.
- * - Some things we can't filter out at all.
- */
- if (mc_count)
- *total_flags |= FIF_ALLMULTI;
- if (*total_flags & FIF_OTHER_BSS ||
- *total_flags & FIF_PROMISC_IN_BSS)
- *total_flags |= FIF_PROMISC_IN_BSS | FIF_OTHER_BSS;
-
- /*
- * Check if there is any work left for us.
- */
- if (rt2x00dev->packet_filter == *total_flags)
- return;
- rt2x00dev->packet_filter = *total_flags;
-
- /*
- * When in atomic context, reschedule and let rt2x00lib
- * call this function again.
- */
- if (in_atomic()) {
- queue_work(rt2x00dev->hw->workqueue, &rt2x00dev->filter_work);
- return;
- }
-
- /*
- * Start configuration steps.
- * Note that the version error will always be dropped
- * and broadcast frames will always be accepted since
- * there is no filter for it at this time.
- */
- rt73usb_register_read(rt2x00dev, TXRX_CSR0, ®);
- rt2x00_set_field32(®, TXRX_CSR0_DROP_CRC,
- !(*total_flags & FIF_FCSFAIL));
- rt2x00_set_field32(®, TXRX_CSR0_DROP_PHYSICAL,
- !(*total_flags & FIF_PLCPFAIL));
- rt2x00_set_field32(®, TXRX_CSR0_DROP_CONTROL,
- !(*total_flags & FIF_CONTROL));
- rt2x00_set_field32(®, TXRX_CSR0_DROP_NOT_TO_ME,
- !(*total_flags & FIF_PROMISC_IN_BSS));
- rt2x00_set_field32(®, TXRX_CSR0_DROP_TO_DS,
- !(*total_flags & FIF_PROMISC_IN_BSS));
- rt2x00_set_field32(®, TXRX_CSR0_DROP_VERSION_ERROR, 1);
- rt2x00_set_field32(®, TXRX_CSR0_DROP_MULTICAST,
- !(*total_flags & FIF_ALLMULTI));
- rt2x00_set_field32(®, TXRX_CSR0_DROP_BROADCAST, 0);
- rt2x00_set_field32(®, TXRX_CSR0_DROP_ACK_CTS, 1);
- rt73usb_register_write(rt2x00dev, TXRX_CSR0, reg);
-}
-
static int rt73usb_set_retry_limit(struct ieee80211_hw *hw,
u32 short_retry, u32 long_retry)
{
#define rt73usb_get_tsf NULL
#endif
-static void rt73usb_reset_tsf(struct ieee80211_hw *hw)
-{
- struct rt2x00_dev *rt2x00dev = hw->priv;
-
- rt73usb_register_write(rt2x00dev, TXRX_CSR12, 0);
- rt73usb_register_write(rt2x00dev, TXRX_CSR13, 0);
-}
-
static int rt73usb_beacon_update(struct ieee80211_hw *hw, struct sk_buff *skb,
struct ieee80211_tx_control *control)
{
struct skb_frame_desc *skbdesc;
unsigned int beacon_base;
unsigned int timeout;
+ u32 reg;
if (unlikely(!intf->beacon))
return -ENOBUFS;
*/
skbdesc = get_skb_frame_desc(skb);
memset(skbdesc, 0, sizeof(*skbdesc));
+ skbdesc->flags |= FRAME_DESC_DRIVER_GENERATED;
skbdesc->data = skb->data + intf->beacon->queue->desc_size;
skbdesc->data_len = skb->len - intf->beacon->queue->desc_size;
skbdesc->desc = skb->data;
skbdesc->entry = intf->beacon;
/*
+ * Disable beaconing while we are reloading the beacon data,
+ * otherwise we might be sending out invalid data.
+ */
+ rt73usb_register_read(rt2x00dev, TXRX_CSR9, ®);
+ rt2x00_set_field32(®, TXRX_CSR9_TSF_TICKING, 0);
+ rt2x00_set_field32(®, TXRX_CSR9_TBTT_ENABLE, 0);
+ rt2x00_set_field32(®, TXRX_CSR9_BEACON_GEN, 0);
+ rt73usb_register_write(rt2x00dev, TXRX_CSR9, reg);
+
+ /*
* mac80211 doesn't provide the control->queue variable
* for beacons. Set our own queue identification so
* it can be used during descriptor initialization.
.remove_interface = rt2x00mac_remove_interface,
.config = rt2x00mac_config,
.config_interface = rt2x00mac_config_interface,
- .configure_filter = rt73usb_configure_filter,
+ .configure_filter = rt2x00mac_configure_filter,
.get_stats = rt2x00mac_get_stats,
.set_retry_limit = rt73usb_set_retry_limit,
.bss_info_changed = rt2x00mac_bss_info_changed,
.conf_tx = rt2x00mac_conf_tx,
.get_tx_stats = rt2x00mac_get_tx_stats,
.get_tsf = rt73usb_get_tsf,
- .reset_tsf = rt73usb_reset_tsf,
.beacon_update = rt73usb_beacon_update,
};
static const struct rt2x00lib_ops rt73usb_rt2x00_ops = {
.probe_hw = rt73usb_probe_hw,
.get_firmware_name = rt73usb_get_firmware_name,
+ .get_firmware_crc = rt73usb_get_firmware_crc,
.load_firmware = rt73usb_load_firmware,
.initialize = rt2x00usb_initialize,
.uninitialize = rt2x00usb_uninitialize,
.get_tx_data_len = rt73usb_get_tx_data_len,
.kick_tx_queue = rt73usb_kick_tx_queue,
.fill_rxdone = rt73usb_fill_rxdone,
+ .config_filter = rt73usb_config_filter,
.config_intf = rt73usb_config_intf,
- .config_preamble = rt73usb_config_preamble,
+ .config_erp = rt73usb_config_erp,
.config = rt73usb_config,
};
{ USB_DEVICE(0x1371, 0x9032), USB_DEVICE_DATA(&rt73usb_ops) },
/* Conceptronic */
{ USB_DEVICE(0x14b2, 0x3c22), USB_DEVICE_DATA(&rt73usb_ops) },
+ /* Corega */
+ { USB_DEVICE(0x07aa, 0x002e), USB_DEVICE_DATA(&rt73usb_ops) },
/* D-Link */
{ USB_DEVICE(0x07d1, 0x3c03), USB_DEVICE_DATA(&rt73usb_ops) },
{ USB_DEVICE(0x07d1, 0x3c04), USB_DEVICE_DATA(&rt73usb_ops) },
+ { USB_DEVICE(0x07d1, 0x3c07), USB_DEVICE_DATA(&rt73usb_ops) },
/* Gemtek */
{ USB_DEVICE(0x15a9, 0x0004), USB_DEVICE_DATA(&rt73usb_ops) },
/* Gigabyte */
git://ftp.safe.ca / safe / jmp / linux-2.6 / blobdiff