/*
- Copyright (C) 2004 - 2009 rt2x00 SourceForge Project
+ Copyright (C) 2004 - 2009 Ivo van Doorn <IvDoorn@gmail.com>
<http://rt2x00.serialmonkey.com>
This program is free software; you can redistribute it and/or modify
* These indirect registers work with busy bits,
* and we will try maximal REGISTER_BUSY_COUNT times to access
* the register while taking a REGISTER_BUSY_DELAY us delay
- * between each attampt. When the busy bit is still set at that time,
+ * between each attempt. When the busy bit is still set at that time,
* the access attempt is considered to have failed,
* and we will print an error.
*/
{
u32 reg;
- if (!word)
- return;
-
mutex_lock(&rt2x00dev->csr_mutex);
/*
};
#endif /* CONFIG_RT2X00_LIB_DEBUGFS */
-#ifdef CONFIG_RT2X00_LIB_RFKILL
static int rt61pci_rfkill_poll(struct rt2x00_dev *rt2x00dev)
{
u32 reg;
rt2x00pci_register_read(rt2x00dev, MAC_CSR13, ®);
return rt2x00_get_field32(reg, MAC_CSR13_BIT5);
}
-#else
-#define rt61pci_rfkill_poll NULL
-#endif /* CONFIG_RT2X00_LIB_RFKILL */
#ifdef CONFIG_RT2X00_LIB_LEDS
static void rt61pci_brightness_set(struct led_classdev *led_cdev,
* The driver does not support the IV/EIV generation
* in hardware. However it doesn't support the IV/EIV
* inside the ieee80211 frame either, but requires it
- * to be provided seperately for the descriptor.
+ * to be provided separately for the descriptor.
* rt2x00lib will cut the IV/EIV data out of all frames
* given to us by mac80211, but we must tell mac80211
* to generate the IV/EIV data.
/*
* SEC_CSR0 contains only single-bit fields to indicate
* a particular key is valid. Because using the FIELD32()
- * defines directly will cause a lot of overhead we use
+ * defines directly will cause a lot of overhead, we use
* a calculation to determine the correct bit directly.
*/
mask = 1 << key->hw_key_idx;
/*
* rt2x00lib can't determine the correct free
* key_idx for pairwise keys. We have 2 registers
- * with key valid bits. The goal is simple, read
- * the first register, if that is full move to
+ * with key valid bits. The goal is simple: read
+ * the first register. If that is full, move to
* the next register.
- * When both registers are full, we drop the key,
- * otherwise we use the first invalid entry.
+ * When both registers are full, we drop the key.
+ * Otherwise, we use the first invalid entry.
*/
rt2x00pci_register_read(rt2x00dev, SEC_CSR2, ®);
if (reg && reg == ~0) {
&addr_entry, sizeof(addr_entry));
/*
- * Enable pairwise lookup table for given BSS idx,
- * without this received frames will not be decrypted
+ * Enable pairwise lookup table for given BSS idx.
+ * Without this, received frames will not be decrypted
* by the hardware.
*/
rt2x00pci_register_read(rt2x00dev, SEC_CSR4, ®);
/*
* SEC_CSR2 and SEC_CSR3 contain only single-bit fields to indicate
* a particular key is valid. Because using the FIELD32()
- * defines directly will cause a lot of overhead we use
+ * defines directly will cause a lot of overhead, we use
* a calculation to determine the correct bit directly.
*/
if (key->hw_key_idx < 32) {
rt2x00_set_field32(®, TXRX_CSR0_DROP_PHYSICAL,
!(filter_flags & FIF_PLCPFAIL));
rt2x00_set_field32(®, TXRX_CSR0_DROP_CONTROL,
- !(filter_flags & FIF_CONTROL));
+ !(filter_flags & (FIF_CONTROL | FIF_PSPOLL)));
rt2x00_set_field32(®, TXRX_CSR0_DROP_NOT_TO_ME,
!(filter_flags & FIF_PROMISC_IN_BSS));
rt2x00_set_field32(®, TXRX_CSR0_DROP_TO_DS,
if (flags & CONFIG_UPDATE_TYPE) {
/*
* Clear current synchronisation setup.
- * For the Beacon base registers we only need to clear
+ * For the Beacon base registers, we only need to clear
* the first byte since that byte contains the VALID and OWNER
* bits which (when set to 0) will invalidate the entire beacon.
*/
u32 reg;
rt2x00pci_register_read(rt2x00dev, TXRX_CSR0, ®);
- rt2x00_set_field32(®, TXRX_CSR0_RX_ACK_TIMEOUT, erp->ack_timeout);
+ rt2x00_set_field32(®, TXRX_CSR0_RX_ACK_TIMEOUT, 0x32);
+ rt2x00_set_field32(®, TXRX_CSR0_TSF_OFFSET, IEEE80211_HEADER);
rt2x00pci_register_write(rt2x00dev, TXRX_CSR0, reg);
rt2x00pci_register_read(rt2x00dev, TXRX_CSR4, ®);
+ rt2x00_set_field32(®, TXRX_CSR4_AUTORESPOND_ENABLE, 1);
rt2x00_set_field32(®, TXRX_CSR4_AUTORESPOND_PREAMBLE,
!!erp->short_preamble);
rt2x00pci_register_write(rt2x00dev, TXRX_CSR4, reg);
rt2x00pci_register_write(rt2x00dev, TXRX_CSR5, erp->basic_rates);
+ rt2x00pci_register_read(rt2x00dev, TXRX_CSR9, ®);
+ rt2x00_set_field32(®, TXRX_CSR9_BEACON_INTERVAL,
+ erp->beacon_int * 16);
+ rt2x00pci_register_write(rt2x00dev, TXRX_CSR9, reg);
+
rt2x00pci_register_read(rt2x00dev, MAC_CSR9, ®);
rt2x00_set_field32(®, MAC_CSR9_SLOT_TIME, erp->slot_time);
rt2x00pci_register_write(rt2x00dev, MAC_CSR9, reg);
rt61pci_bbp_read(rt2x00dev, 4, &r4);
rt61pci_bbp_read(rt2x00dev, 77, &r77);
- rt2x00_set_field8(&r3, BBP_R3_SMART_MODE,
- rt2x00_rf(&rt2x00dev->chip, RF5325));
+ rt2x00_set_field8(&r3, BBP_R3_SMART_MODE, rt2x00_rf(rt2x00dev, RF5325));
/*
* Configure the RX antenna.
rt61pci_bbp_read(rt2x00dev, 4, &r4);
rt61pci_bbp_read(rt2x00dev, 77, &r77);
- rt2x00_set_field8(&r3, BBP_R3_SMART_MODE,
- rt2x00_rf(&rt2x00dev->chip, RF2529));
+ rt2x00_set_field8(&r3, BBP_R3_SMART_MODE, rt2x00_rf(rt2x00dev, RF2529));
rt2x00_set_field8(&r4, BBP_R4_RX_FRAME_END,
!test_bit(CONFIG_FRAME_TYPE, &rt2x00dev->flags));
rt2x00pci_register_write(rt2x00dev, PHY_CSR0, reg);
- if (rt2x00_rf(&rt2x00dev->chip, RF5225) ||
- rt2x00_rf(&rt2x00dev->chip, RF5325))
+ if (rt2x00_rf(rt2x00dev, RF5225) || rt2x00_rf(rt2x00dev, RF5325))
rt61pci_config_antenna_5x(rt2x00dev, ant);
- else if (rt2x00_rf(&rt2x00dev->chip, RF2527))
+ else if (rt2x00_rf(rt2x00dev, RF2527))
rt61pci_config_antenna_2x(rt2x00dev, ant);
- else if (rt2x00_rf(&rt2x00dev->chip, RF2529)) {
+ else if (rt2x00_rf(rt2x00dev, RF2529)) {
if (test_bit(CONFIG_DOUBLE_ANTENNA, &rt2x00dev->flags))
rt61pci_config_antenna_2x(rt2x00dev, ant);
else
rt2x00_set_field32(&rf->rf3, RF3_TXPOWER, TXPOWER_TO_DEV(txpower));
rt2x00_set_field32(&rf->rf4, RF4_FREQ_OFFSET, rt2x00dev->freq_offset);
- smart = !(rt2x00_rf(&rt2x00dev->chip, RF5225) ||
- rt2x00_rf(&rt2x00dev->chip, RF2527));
+ smart = !(rt2x00_rf(rt2x00dev, RF5225) || rt2x00_rf(rt2x00dev, RF2527));
rt61pci_bbp_read(rt2x00dev, 3, &r3);
rt2x00_set_field8(&r3, BBP_R3_SMART_MODE, smart);
rt2x00pci_register_write(rt2x00dev, TXRX_CSR4, reg);
}
-static void rt61pci_config_duration(struct rt2x00_dev *rt2x00dev,
- struct rt2x00lib_conf *libconf)
-{
- u32 reg;
-
- rt2x00pci_register_read(rt2x00dev, TXRX_CSR0, ®);
- rt2x00_set_field32(®, TXRX_CSR0_TSF_OFFSET, IEEE80211_HEADER);
- rt2x00pci_register_write(rt2x00dev, TXRX_CSR0, reg);
-
- rt2x00pci_register_read(rt2x00dev, TXRX_CSR4, ®);
- rt2x00_set_field32(®, TXRX_CSR4_AUTORESPOND_ENABLE, 1);
- rt2x00pci_register_write(rt2x00dev, TXRX_CSR4, reg);
-
- rt2x00pci_register_read(rt2x00dev, TXRX_CSR9, ®);
- rt2x00_set_field32(®, TXRX_CSR9_BEACON_INTERVAL,
- libconf->conf->beacon_int * 16);
- rt2x00pci_register_write(rt2x00dev, TXRX_CSR9, reg);
-}
-
static void rt61pci_config_ps(struct rt2x00_dev *rt2x00dev,
struct rt2x00lib_conf *libconf)
{
if (state == STATE_SLEEP) {
rt2x00pci_register_read(rt2x00dev, MAC_CSR11, ®);
rt2x00_set_field32(®, MAC_CSR11_DELAY_AFTER_TBCN,
- libconf->conf->beacon_int - 10);
+ rt2x00dev->beacon_int - 10);
rt2x00_set_field32(®, MAC_CSR11_TBCN_BEFORE_WAKEUP,
libconf->conf->listen_interval - 1);
rt2x00_set_field32(®, MAC_CSR11_WAKEUP_LATENCY, 5);
rt61pci_config_txpower(rt2x00dev, libconf->conf->power_level);
if (flags & IEEE80211_CONF_CHANGE_RETRY_LIMITS)
rt61pci_config_retry_limit(rt2x00dev, libconf);
- if (flags & IEEE80211_CONF_CHANGE_BEACON_INTERVAL)
- rt61pci_config_duration(rt2x00dev, libconf);
if (flags & IEEE80211_CONF_CHANGE_PS)
rt61pci_config_ps(rt2x00dev, libconf);
}
*/
static char *rt61pci_get_firmware_name(struct rt2x00_dev *rt2x00dev)
{
+ u16 chip;
char *fw_name;
- switch (rt2x00dev->chip.rt) {
- case RT2561:
+ pci_read_config_word(to_pci_dev(rt2x00dev->dev), PCI_DEVICE_ID, &chip);
+ switch (chip) {
+ case RT2561_PCI_ID:
fw_name = FIRMWARE_RT2561;
break;
- case RT2561s:
+ case RT2561s_PCI_ID:
fw_name = FIRMWARE_RT2561s;
break;
- case RT2661:
+ case RT2661_PCI_ID:
fw_name = FIRMWARE_RT2661;
break;
default:
return fw_name;
}
-static u16 rt61pci_get_firmware_crc(const void *data, const size_t len)
+static int rt61pci_check_firmware(struct rt2x00_dev *rt2x00dev,
+ const u8 *data, const size_t len)
{
+ u16 fw_crc;
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
+ * Only support 8kb firmware files.
+ */
+ if (len != 8192)
+ return FW_BAD_LENGTH;
+
+ /*
+ * 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.
*/
+ fw_crc = (data[len - 2] << 8 | data[len - 1]);
+
+ /*
+ * Use the crc itu-t 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;
+ return (fw_crc == crc) ? FW_OK : FW_BAD_CRC;
}
-static int rt61pci_load_firmware(struct rt2x00_dev *rt2x00dev, const void *data,
- const size_t len)
+static int rt61pci_load_firmware(struct rt2x00_dev *rt2x00dev,
+ const u8 *data, const size_t len)
{
int i;
u32 reg;
static void rt61pci_disable_radio(struct rt2x00_dev *rt2x00dev)
{
- u32 reg;
-
- rt2x00pci_register_write(rt2x00dev, MAC_CSR10, 0x00001818);
-
- /*
- * Disable synchronisation.
- */
- rt2x00pci_register_write(rt2x00dev, TXRX_CSR9, 0);
-
/*
- * Cancel RX and TX.
+ * Disable power
*/
- rt2x00pci_register_read(rt2x00dev, TX_CNTL_CSR, ®);
- rt2x00_set_field32(®, TX_CNTL_CSR_ABORT_TX_AC0, 1);
- rt2x00_set_field32(®, TX_CNTL_CSR_ABORT_TX_AC1, 1);
- rt2x00_set_field32(®, TX_CNTL_CSR_ABORT_TX_AC2, 1);
- rt2x00_set_field32(®, TX_CNTL_CSR_ABORT_TX_AC3, 1);
- rt2x00pci_register_write(rt2x00dev, TX_CNTL_CSR, reg);
+ rt2x00pci_register_write(rt2x00dev, MAC_CSR10, 0x00001818);
}
static int rt61pci_set_state(struct rt2x00_dev *rt2x00dev, enum dev_state state)
* otherwise we might be sending out invalid data.
*/
rt2x00pci_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);
rt2x00pci_register_write(rt2x00dev, TXRX_CSR9, reg);
rt2x00pci_register_write(rt2x00dev, TX_CNTL_CSR, reg);
}
+static void rt61pci_kill_tx_queue(struct rt2x00_dev *rt2x00dev,
+ const enum data_queue_qid qid)
+{
+ u32 reg;
+
+ if (qid == QID_BEACON) {
+ rt2x00pci_register_write(rt2x00dev, TXRX_CSR9, 0);
+ return;
+ }
+
+ rt2x00pci_register_read(rt2x00dev, TX_CNTL_CSR, ®);
+ rt2x00_set_field32(®, TX_CNTL_CSR_ABORT_TX_AC0, (qid == QID_AC_BE));
+ rt2x00_set_field32(®, TX_CNTL_CSR_ABORT_TX_AC1, (qid == QID_AC_BK));
+ rt2x00_set_field32(®, TX_CNTL_CSR_ABORT_TX_AC2, (qid == QID_AC_VI));
+ rt2x00_set_field32(®, TX_CNTL_CSR_ABORT_TX_AC3, (qid == QID_AC_VO));
+ rt2x00pci_register_write(rt2x00dev, TX_CNTL_CSR, reg);
+}
+
/*
* RX control handlers
*/
/*
* Hardware has stripped IV/EIV data from 802.11 frame during
- * decryption. It has provided the data seperately but rt2x00lib
+ * decryption. It has provided the data separately but rt2x00lib
* should decide if it should be reinserted.
*/
rxdesc->flags |= RX_FLAG_IV_STRIPPED;
* During each loop we will compare the freshly read
* STA_CSR4 register value with the value read from
* the previous loop. If the 2 values are equal then
- * we should stop processing because the chance it
+ * we should stop processing because the chance is
* quite big that the device has been unplugged and
* we risk going into an endless loop.
*/
u32 reg;
u16 value;
u16 eeprom;
- u16 device;
/*
* Read EEPROM word for configuration.
/*
* Identify RF chipset.
- * To determine the RT chip we have to read the
- * PCI header of the device.
*/
- pci_read_config_word(to_pci_dev(rt2x00dev->dev),
- PCI_CONFIG_HEADER_DEVICE, &device);
value = rt2x00_get_field16(eeprom, EEPROM_ANTENNA_RF_TYPE);
rt2x00pci_register_read(rt2x00dev, MAC_CSR0, ®);
- rt2x00_set_chip(rt2x00dev, device, value, reg);
+ rt2x00_set_chip(rt2x00dev, rt2x00_get_field32(reg, MAC_CSR0_CHIPSET),
+ value, rt2x00_get_field32(reg, MAC_CSR0_REVISION));
- if (!rt2x00_rf(&rt2x00dev->chip, RF5225) &&
- !rt2x00_rf(&rt2x00dev->chip, RF5325) &&
- !rt2x00_rf(&rt2x00dev->chip, RF2527) &&
- !rt2x00_rf(&rt2x00dev->chip, RF2529)) {
+ if (!rt2x00_rf(rt2x00dev, RF5225) &&
+ !rt2x00_rf(rt2x00dev, RF5325) &&
+ !rt2x00_rf(rt2x00dev, RF2527) &&
+ !rt2x00_rf(rt2x00dev, RF2529)) {
ERROR(rt2x00dev, "Invalid RF chipset detected.\n");
return -ENODEV;
}
/*
- * Determine number of antenna's.
+ * Determine number of antennas.
*/
if (rt2x00_get_field16(eeprom, EEPROM_ANTENNA_NUM) == 2)
__set_bit(CONFIG_DOUBLE_ANTENNA, &rt2x00dev->flags);
__set_bit(CONFIG_FRAME_TYPE, &rt2x00dev->flags);
/*
- * Detect if this device has an hardware controlled radio.
+ * Detect if this device has a hardware controlled radio.
*/
-#ifdef CONFIG_RT2X00_LIB_RFKILL
if (rt2x00_get_field16(eeprom, EEPROM_ANTENNA_HARDWARE_RADIO))
__set_bit(CONFIG_SUPPORT_HW_BUTTON, &rt2x00dev->flags);
-#endif /* CONFIG_RT2X00_LIB_RFKILL */
/*
* Read frequency offset and RF programming sequence.
__set_bit(CONFIG_EXTERNAL_LNA_BG, &rt2x00dev->flags);
/*
- * When working with a RF2529 chip without double antenna
+ * When working with a RF2529 chip without double antenna,
* the antenna settings should be gathered from the NIC
* eeprom word.
*/
- if (rt2x00_rf(&rt2x00dev->chip, RF2529) &&
+ if (rt2x00_rf(rt2x00dev, RF2529) &&
!test_bit(CONFIG_DOUBLE_ANTENNA, &rt2x00dev->flags)) {
rt2x00dev->default_ant.rx =
ANTENNA_A + rt2x00_get_field16(eeprom, EEPROM_NIC_RX_FIXED);
char *tx_power;
unsigned int i;
+ /*
+ * Disable powersaving as default.
+ */
+ rt2x00dev->hw->wiphy->flags &= ~WIPHY_FLAG_PS_ON_BY_DEFAULT;
+
/*
* Initialize all hw fields.
*/
IEEE80211_HW_SIGNAL_DBM |
IEEE80211_HW_SUPPORTS_PS |
IEEE80211_HW_PS_NULLFUNC_STACK;
- rt2x00dev->hw->extra_tx_headroom = 0;
SET_IEEE80211_DEV(rt2x00dev->hw, rt2x00dev->dev);
SET_IEEE80211_PERM_ADDR(rt2x00dev->hw,
spec->channels = rf_vals_seq;
}
- if (rt2x00_rf(&rt2x00dev->chip, RF5225) ||
- rt2x00_rf(&rt2x00dev->chip, RF5325)) {
+ if (rt2x00_rf(rt2x00dev, RF5225) || rt2x00_rf(rt2x00dev, RF5325)) {
spec->supported_bands |= SUPPORT_BAND_5GHZ;
spec->num_channels = ARRAY_SIZE(rf_vals_seq);
}
{
int retval;
+ /*
+ * Disable power saving.
+ */
+ rt2x00pci_register_write(rt2x00dev, SOFT_RESET_CSR, 0x00000007);
+
/*
* Allocate eeprom data.
*/
if (retval)
return retval;
+ /*
+ * This device has multiple filters for control frames,
+ * but has no a separate filter for PS Poll frames.
+ */
+ __set_bit(DRIVER_SUPPORT_CONTROL_FILTERS, &rt2x00dev->flags);
+
/*
* This device requires firmware and DMA mapped skbs.
*/
/*
* We only need to perform additional register initialization
- * for WMM queues/
+ * for WMM queues.
*/
if (queue_idx >= 4)
return 0;
.add_interface = rt2x00mac_add_interface,
.remove_interface = rt2x00mac_remove_interface,
.config = rt2x00mac_config,
- .config_interface = rt2x00mac_config_interface,
.configure_filter = rt2x00mac_configure_filter,
+ .set_tim = rt2x00mac_set_tim,
.set_key = rt2x00mac_set_key,
.get_stats = rt2x00mac_get_stats,
.bss_info_changed = rt2x00mac_bss_info_changed,
.conf_tx = rt61pci_conf_tx,
- .get_tx_stats = rt2x00mac_get_tx_stats,
.get_tsf = rt61pci_get_tsf,
+ .rfkill_poll = rt2x00mac_rfkill_poll,
};
static const struct rt2x00lib_ops rt61pci_rt2x00_ops = {
.irq_handler = rt61pci_interrupt,
.probe_hw = rt61pci_probe_hw,
.get_firmware_name = rt61pci_get_firmware_name,
- .get_firmware_crc = rt61pci_get_firmware_crc,
+ .check_firmware = rt61pci_check_firmware,
.load_firmware = rt61pci_load_firmware,
.initialize = rt2x00pci_initialize,
.uninitialize = rt2x00pci_uninitialize,
.write_tx_data = rt2x00pci_write_tx_data,
.write_beacon = rt61pci_write_beacon,
.kick_tx_queue = rt61pci_kick_tx_queue,
+ .kill_tx_queue = rt61pci_kill_tx_queue,
.fill_rxdone = rt61pci_fill_rxdone,
.config_shared_key = rt61pci_config_shared_key,
.config_pairwise_key = rt61pci_config_pairwise_key,
};
static const struct rt2x00_ops rt61pci_ops = {
- .name = KBUILD_MODNAME,
- .max_sta_intf = 1,
- .max_ap_intf = 4,
- .eeprom_size = EEPROM_SIZE,
- .rf_size = RF_SIZE,
- .tx_queues = NUM_TX_QUEUES,
- .rx = &rt61pci_queue_rx,
- .tx = &rt61pci_queue_tx,
- .bcn = &rt61pci_queue_bcn,
- .lib = &rt61pci_rt2x00_ops,
- .hw = &rt61pci_mac80211_ops,
+ .name = KBUILD_MODNAME,
+ .max_sta_intf = 1,
+ .max_ap_intf = 4,
+ .eeprom_size = EEPROM_SIZE,
+ .rf_size = RF_SIZE,
+ .tx_queues = NUM_TX_QUEUES,
+ .extra_tx_headroom = 0,
+ .rx = &rt61pci_queue_rx,
+ .tx = &rt61pci_queue_tx,
+ .bcn = &rt61pci_queue_bcn,
+ .lib = &rt61pci_rt2x00_ops,
+ .hw = &rt61pci_mac80211_ops,
#ifdef CONFIG_RT2X00_LIB_DEBUGFS
- .debugfs = &rt61pci_rt2x00debug,
+ .debugfs = &rt61pci_rt2x00debug,
#endif /* CONFIG_RT2X00_LIB_DEBUGFS */
};
Code Review / linux-2.6.git / blobdiff