diff options
Diffstat (limited to 'drivers/net/wireless/rt2x00')
22 files changed, 577 insertions, 555 deletions
diff --git a/drivers/net/wireless/rt2x00/rt2400pci.c b/drivers/net/wireless/rt2x00/rt2400pci.c index 900140d..bb3d835 100644 --- a/drivers/net/wireless/rt2x00/rt2400pci.c +++ b/drivers/net/wireless/rt2x00/rt2400pci.c @@ -277,6 +277,17 @@ static int rt2400pci_blink_set(struct led_classdev *led_cdev, return 0; } + +static void rt2400pci_init_led(struct rt2x00_dev *rt2x00dev, + struct rt2x00_led *led, + enum led_type type) +{ + led->rt2x00dev = rt2x00dev; + led->type = type; + led->led_dev.brightness_set = rt2400pci_brightness_set; + led->led_dev.blink_set = rt2400pci_blink_set; + led->flags = LED_INITIALIZED; +} #endif /* CONFIG_RT2400PCI_LEDS */ /* @@ -781,25 +792,32 @@ static int rt2400pci_init_registers(struct rt2x00_dev *rt2x00dev) return 0; } -static int rt2400pci_init_bbp(struct rt2x00_dev *rt2x00dev) +static int rt2400pci_wait_bbp_ready(struct rt2x00_dev *rt2x00dev) { unsigned int i; - u16 eeprom; - u8 reg_id; u8 value; for (i = 0; i < REGISTER_BUSY_COUNT; i++) { rt2400pci_bbp_read(rt2x00dev, 0, &value); if ((value != 0xff) && (value != 0x00)) - goto continue_csr_init; - NOTICE(rt2x00dev, "Waiting for BBP register.\n"); + return 0; udelay(REGISTER_BUSY_DELAY); } ERROR(rt2x00dev, "BBP register access failed, aborting.\n"); return -EACCES; +} + +static int rt2400pci_init_bbp(struct rt2x00_dev *rt2x00dev) +{ + unsigned int i; + u16 eeprom; + u8 reg_id; + u8 value; + + if (unlikely(rt2400pci_wait_bbp_ready(rt2x00dev))) + return -EACCES; -continue_csr_init: rt2400pci_bbp_write(rt2x00dev, 1, 0x00); rt2400pci_bbp_write(rt2x00dev, 3, 0x27); rt2400pci_bbp_write(rt2x00dev, 4, 0x08); @@ -838,7 +856,8 @@ static void rt2400pci_toggle_rx(struct rt2x00_dev *rt2x00dev, rt2x00pci_register_read(rt2x00dev, RXCSR0, ®); rt2x00_set_field32(®, RXCSR0_DISABLE_RX, - state == STATE_RADIO_RX_OFF); + (state == STATE_RADIO_RX_OFF) || + (state == STATE_RADIO_RX_OFF_LINK)); rt2x00pci_register_write(rt2x00dev, RXCSR0, reg); } @@ -875,17 +894,10 @@ static int rt2400pci_enable_radio(struct rt2x00_dev *rt2x00dev) /* * Initialize all registers. */ - if (rt2400pci_init_queues(rt2x00dev) || - rt2400pci_init_registers(rt2x00dev) || - rt2400pci_init_bbp(rt2x00dev)) { - ERROR(rt2x00dev, "Register initialization failed.\n"); + if (unlikely(rt2400pci_init_queues(rt2x00dev) || + rt2400pci_init_registers(rt2x00dev) || + rt2400pci_init_bbp(rt2x00dev))) return -EIO; - } - - /* - * Enable interrupts. - */ - rt2400pci_toggle_irq(rt2x00dev, STATE_RADIO_IRQ_ON); return 0; } @@ -907,11 +919,6 @@ static void rt2400pci_disable_radio(struct rt2x00_dev *rt2x00dev) rt2x00pci_register_read(rt2x00dev, TXCSR0, ®); rt2x00_set_field32(®, TXCSR0_ABORT, 1); rt2x00pci_register_write(rt2x00dev, TXCSR0, reg); - - /* - * Disable interrupts. - */ - rt2400pci_toggle_irq(rt2x00dev, STATE_RADIO_IRQ_OFF); } static int rt2400pci_set_state(struct rt2x00_dev *rt2x00dev, @@ -946,10 +953,6 @@ static int rt2400pci_set_state(struct rt2x00_dev *rt2x00dev, msleep(10); } - NOTICE(rt2x00dev, "Device failed to enter state %d, " - "current device state: bbp %d and rf %d.\n", - state, bbp_state, rf_state); - return -EBUSY; } @@ -967,11 +970,13 @@ static int rt2400pci_set_device_state(struct rt2x00_dev *rt2x00dev, break; case STATE_RADIO_RX_ON: case STATE_RADIO_RX_ON_LINK: - rt2400pci_toggle_rx(rt2x00dev, STATE_RADIO_RX_ON); - break; case STATE_RADIO_RX_OFF: case STATE_RADIO_RX_OFF_LINK: - rt2400pci_toggle_rx(rt2x00dev, STATE_RADIO_RX_OFF); + rt2400pci_toggle_rx(rt2x00dev, state); + break; + case STATE_RADIO_IRQ_ON: + case STATE_RADIO_IRQ_OFF: + rt2400pci_toggle_irq(rt2x00dev, state); break; case STATE_DEEP_SLEEP: case STATE_SLEEP: @@ -984,6 +989,10 @@ static int rt2400pci_set_device_state(struct rt2x00_dev *rt2x00dev, break; } + if (unlikely(retval)) + ERROR(rt2x00dev, "Device failed to enter state %d (%d).\n", + state, retval); + return retval; } @@ -1007,8 +1016,8 @@ static void rt2400pci_write_tx_desc(struct rt2x00_dev *rt2x00dev, rt2x00_desc_write(entry_priv->desc, 1, word); rt2x00_desc_read(txd, 2, &word); - rt2x00_set_field32(&word, TXD_W2_BUFFER_LENGTH, skbdesc->data_len); - rt2x00_set_field32(&word, TXD_W2_DATABYTE_COUNT, skbdesc->data_len); + rt2x00_set_field32(&word, TXD_W2_BUFFER_LENGTH, skb->len); + rt2x00_set_field32(&word, TXD_W2_DATABYTE_COUNT, skb->len); rt2x00_desc_write(txd, 2, word); rt2x00_desc_read(txd, 3, &word); @@ -1300,23 +1309,10 @@ static int rt2400pci_init_eeprom(struct rt2x00_dev *rt2x00dev) #ifdef CONFIG_RT2400PCI_LEDS value = rt2x00_get_field16(eeprom, EEPROM_ANTENNA_LED_MODE); - rt2x00dev->led_radio.rt2x00dev = rt2x00dev; - rt2x00dev->led_radio.type = LED_TYPE_RADIO; - rt2x00dev->led_radio.led_dev.brightness_set = - rt2400pci_brightness_set; - rt2x00dev->led_radio.led_dev.blink_set = - rt2400pci_blink_set; - rt2x00dev->led_radio.flags = LED_INITIALIZED; - - if (value == LED_MODE_TXRX_ACTIVITY) { - rt2x00dev->led_qual.rt2x00dev = rt2x00dev; - rt2x00dev->led_qual.type = LED_TYPE_ACTIVITY; - rt2x00dev->led_qual.led_dev.brightness_set = - rt2400pci_brightness_set; - rt2x00dev->led_qual.led_dev.blink_set = - rt2400pci_blink_set; - rt2x00dev->led_qual.flags = LED_INITIALIZED; - } + rt2400pci_init_led(rt2x00dev, &rt2x00dev->led_radio, LED_TYPE_RADIO); + if (value == LED_MODE_TXRX_ACTIVITY) + rt2400pci_init_led(rt2x00dev, &rt2x00dev->led_qual, + LED_TYPE_ACTIVITY); #endif /* CONFIG_RT2400PCI_LEDS */ /* @@ -1511,9 +1507,6 @@ static int rt2400pci_beacon_update(struct ieee80211_hw *hw, struct sk_buff *skb) */ skbdesc = get_skb_frame_desc(skb); memset(skbdesc, 0, sizeof(*skbdesc)); - skbdesc->flags |= FRAME_DESC_DRIVER_GENERATED; - skbdesc->data = skb->data; - skbdesc->data_len = skb->len; skbdesc->desc = entry_priv->desc; skbdesc->desc_len = intf->beacon->queue->desc_size; skbdesc->entry = intf->beacon; diff --git a/drivers/net/wireless/rt2x00/rt2400pci.h b/drivers/net/wireless/rt2x00/rt2400pci.h index e9aa326..bc55642 100644 --- a/drivers/net/wireless/rt2x00/rt2400pci.h +++ b/drivers/net/wireless/rt2x00/rt2400pci.h @@ -37,8 +37,6 @@ * Signal information. * Defaul offset is required for RSSI <-> dBm conversion. */ -#define MAX_SIGNAL 100 -#define MAX_RX_SSI -1 #define DEFAULT_RSSI_OFFSET 100 /* diff --git a/drivers/net/wireless/rt2x00/rt2500pci.c b/drivers/net/wireless/rt2x00/rt2500pci.c index 6733509..3c956b9 100644 --- a/drivers/net/wireless/rt2x00/rt2500pci.c +++ b/drivers/net/wireless/rt2x00/rt2500pci.c @@ -277,6 +277,17 @@ static int rt2500pci_blink_set(struct led_classdev *led_cdev, return 0; } + +static void rt2500pci_init_led(struct rt2x00_dev *rt2x00dev, + struct rt2x00_led *led, + enum led_type type) +{ + led->rt2x00dev = rt2x00dev; + led->type = type; + led->led_dev.brightness_set = rt2500pci_brightness_set; + led->led_dev.blink_set = rt2500pci_blink_set; + led->flags = LED_INITIALIZED; +} #endif /* CONFIG_RT2500PCI_LEDS */ /* @@ -924,25 +935,32 @@ static int rt2500pci_init_registers(struct rt2x00_dev *rt2x00dev) return 0; } -static int rt2500pci_init_bbp(struct rt2x00_dev *rt2x00dev) +static int rt2500pci_wait_bbp_ready(struct rt2x00_dev *rt2x00dev) { unsigned int i; - u16 eeprom; - u8 reg_id; u8 value; for (i = 0; i < REGISTER_BUSY_COUNT; i++) { rt2500pci_bbp_read(rt2x00dev, 0, &value); if ((value != 0xff) && (value != 0x00)) - goto continue_csr_init; - NOTICE(rt2x00dev, "Waiting for BBP register.\n"); + return 0; udelay(REGISTER_BUSY_DELAY); } ERROR(rt2x00dev, "BBP register access failed, aborting.\n"); return -EACCES; +} + +static int rt2500pci_init_bbp(struct rt2x00_dev *rt2x00dev) +{ + unsigned int i; + u16 eeprom; + u8 reg_id; + u8 value; + + if (unlikely(rt2500pci_wait_bbp_ready(rt2x00dev))) + return -EACCES; -continue_csr_init: rt2500pci_bbp_write(rt2x00dev, 3, 0x02); rt2500pci_bbp_write(rt2x00dev, 4, 0x19); rt2500pci_bbp_write(rt2x00dev, 14, 0x1c); @@ -997,7 +1015,8 @@ static void rt2500pci_toggle_rx(struct rt2x00_dev *rt2x00dev, rt2x00pci_register_read(rt2x00dev, RXCSR0, ®); rt2x00_set_field32(®, RXCSR0_DISABLE_RX, - state == STATE_RADIO_RX_OFF); + (state == STATE_RADIO_RX_OFF) || + (state == STATE_RADIO_RX_OFF_LINK)); rt2x00pci_register_write(rt2x00dev, RXCSR0, reg); } @@ -1034,17 +1053,10 @@ static int rt2500pci_enable_radio(struct rt2x00_dev *rt2x00dev) /* * Initialize all registers. */ - if (rt2500pci_init_queues(rt2x00dev) || - rt2500pci_init_registers(rt2x00dev) || - rt2500pci_init_bbp(rt2x00dev)) { - ERROR(rt2x00dev, "Register initialization failed.\n"); + if (unlikely(rt2500pci_init_queues(rt2x00dev) || + rt2500pci_init_registers(rt2x00dev) || + rt2500pci_init_bbp(rt2x00dev))) return -EIO; - } - - /* - * Enable interrupts. - */ - rt2500pci_toggle_irq(rt2x00dev, STATE_RADIO_IRQ_ON); return 0; } @@ -1066,11 +1078,6 @@ static void rt2500pci_disable_radio(struct rt2x00_dev *rt2x00dev) rt2x00pci_register_read(rt2x00dev, TXCSR0, ®); rt2x00_set_field32(®, TXCSR0_ABORT, 1); rt2x00pci_register_write(rt2x00dev, TXCSR0, reg); - - /* - * Disable interrupts. - */ - rt2500pci_toggle_irq(rt2x00dev, STATE_RADIO_IRQ_OFF); } static int rt2500pci_set_state(struct rt2x00_dev *rt2x00dev, @@ -1105,10 +1112,6 @@ static int rt2500pci_set_state(struct rt2x00_dev *rt2x00dev, msleep(10); } - NOTICE(rt2x00dev, "Device failed to enter state %d, " - "current device state: bbp %d and rf %d.\n", - state, bbp_state, rf_state); - return -EBUSY; } @@ -1126,11 +1129,13 @@ static int rt2500pci_set_device_state(struct rt2x00_dev *rt2x00dev, break; case STATE_RADIO_RX_ON: case STATE_RADIO_RX_ON_LINK: - rt2500pci_toggle_rx(rt2x00dev, STATE_RADIO_RX_ON); - break; case STATE_RADIO_RX_OFF: case STATE_RADIO_RX_OFF_LINK: - rt2500pci_toggle_rx(rt2x00dev, STATE_RADIO_RX_OFF); + rt2500pci_toggle_rx(rt2x00dev, state); + break; + case STATE_RADIO_IRQ_ON: + case STATE_RADIO_IRQ_OFF: + rt2500pci_toggle_irq(rt2x00dev, state); break; case STATE_DEEP_SLEEP: case STATE_SLEEP: @@ -1143,6 +1148,10 @@ static int rt2500pci_set_device_state(struct rt2x00_dev *rt2x00dev, break; } + if (unlikely(retval)) + ERROR(rt2x00dev, "Device failed to enter state %d (%d).\n", + state, retval); + return retval; } @@ -1478,23 +1487,10 @@ static int rt2500pci_init_eeprom(struct rt2x00_dev *rt2x00dev) #ifdef CONFIG_RT2500PCI_LEDS value = rt2x00_get_field16(eeprom, EEPROM_ANTENNA_LED_MODE); - rt2x00dev->led_radio.rt2x00dev = rt2x00dev; - rt2x00dev->led_radio.type = LED_TYPE_RADIO; - rt2x00dev->led_radio.led_dev.brightness_set = - rt2500pci_brightness_set; - rt2x00dev->led_radio.led_dev.blink_set = - rt2500pci_blink_set; - rt2x00dev->led_radio.flags = LED_INITIALIZED; - - if (value == LED_MODE_TXRX_ACTIVITY) { - rt2x00dev->led_qual.rt2x00dev = rt2x00dev; - rt2x00dev->led_qual.type = LED_TYPE_ACTIVITY; - rt2x00dev->led_qual.led_dev.brightness_set = - rt2500pci_brightness_set; - rt2x00dev->led_qual.led_dev.blink_set = - rt2500pci_blink_set; - rt2x00dev->led_qual.flags = LED_INITIALIZED; - } + rt2500pci_init_led(rt2x00dev, &rt2x00dev->led_radio, LED_TYPE_RADIO); + if (value == LED_MODE_TXRX_ACTIVITY) + rt2500pci_init_led(rt2x00dev, &rt2x00dev->led_qual, + LED_TYPE_ACTIVITY); #endif /* CONFIG_RT2500PCI_LEDS */ /* @@ -1827,9 +1823,6 @@ static int rt2500pci_beacon_update(struct ieee80211_hw *hw, struct sk_buff *skb) */ skbdesc = get_skb_frame_desc(skb); memset(skbdesc, 0, sizeof(*skbdesc)); - skbdesc->flags |= FRAME_DESC_DRIVER_GENERATED; - skbdesc->data = skb->data; - skbdesc->data_len = skb->len; skbdesc->desc = entry_priv->desc; skbdesc->desc_len = intf->beacon->queue->desc_size; skbdesc->entry = intf->beacon; diff --git a/drivers/net/wireless/rt2x00/rt2500pci.h b/drivers/net/wireless/rt2x00/rt2500pci.h index ea93b8f4..cb648c3 100644 --- a/drivers/net/wireless/rt2x00/rt2500pci.h +++ b/drivers/net/wireless/rt2x00/rt2500pci.h @@ -48,8 +48,6 @@ * Signal information. * Defaul offset is required for RSSI <-> dBm conversion. */ -#define MAX_SIGNAL 100 -#define MAX_RX_SSI -1 #define DEFAULT_RSSI_OFFSET 121 /* diff --git a/drivers/net/wireless/rt2x00/rt2500usb.c b/drivers/net/wireless/rt2x00/rt2500usb.c index cca1504..9851cef 100644 --- a/drivers/net/wireless/rt2x00/rt2500usb.c +++ b/drivers/net/wireless/rt2x00/rt2500usb.c @@ -316,6 +316,17 @@ static int rt2500usb_blink_set(struct led_classdev *led_cdev, return 0; } + +static void rt2500usb_init_led(struct rt2x00_dev *rt2x00dev, + struct rt2x00_led *led, + enum led_type type) +{ + led->rt2x00dev = rt2x00dev; + led->type = type; + led->led_dev.brightness_set = rt2500usb_brightness_set; + led->led_dev.blink_set = rt2500usb_blink_set; + led->flags = LED_INITIALIZED; +} #endif /* CONFIG_RT2500USB_LEDS */ /* @@ -847,25 +858,32 @@ static int rt2500usb_init_registers(struct rt2x00_dev *rt2x00dev) return 0; } -static int rt2500usb_init_bbp(struct rt2x00_dev *rt2x00dev) +static int rt2500usb_wait_bbp_ready(struct rt2x00_dev *rt2x00dev) { unsigned int i; - u16 eeprom; u8 value; - u8 reg_id; for (i = 0; i < REGISTER_BUSY_COUNT; i++) { rt2500usb_bbp_read(rt2x00dev, 0, &value); if ((value != 0xff) && (value != 0x00)) - goto continue_csr_init; - NOTICE(rt2x00dev, "Waiting for BBP register.\n"); + return 0; udelay(REGISTER_BUSY_DELAY); } ERROR(rt2x00dev, "BBP register access failed, aborting.\n"); return -EACCES; +} + +static int rt2500usb_init_bbp(struct rt2x00_dev *rt2x00dev) +{ + unsigned int i; + u16 eeprom; + u8 value; + u8 reg_id; + + if (unlikely(rt2500usb_wait_bbp_ready(rt2x00dev))) + return -EACCES; -continue_csr_init: rt2500usb_bbp_write(rt2x00dev, 3, 0x02); rt2500usb_bbp_write(rt2x00dev, 4, 0x19); rt2500usb_bbp_write(rt2x00dev, 14, 0x1c); @@ -921,7 +939,8 @@ static void rt2500usb_toggle_rx(struct rt2x00_dev *rt2x00dev, rt2500usb_register_read(rt2x00dev, TXRX_CSR2, ®); rt2x00_set_field16(®, TXRX_CSR2_DISABLE_RX, - state == STATE_RADIO_RX_OFF); + (state == STATE_RADIO_RX_OFF) || + (state == STATE_RADIO_RX_OFF_LINK)); rt2500usb_register_write(rt2x00dev, TXRX_CSR2, reg); } @@ -930,11 +949,9 @@ static int rt2500usb_enable_radio(struct rt2x00_dev *rt2x00dev) /* * Initialize all registers. */ - if (rt2500usb_init_registers(rt2x00dev) || - rt2500usb_init_bbp(rt2x00dev)) { - ERROR(rt2x00dev, "Register initialization failed.\n"); + if (unlikely(rt2500usb_init_registers(rt2x00dev) || + rt2500usb_init_bbp(rt2x00dev))) return -EIO; - } return 0; } @@ -987,10 +1004,6 @@ static int rt2500usb_set_state(struct rt2x00_dev *rt2x00dev, msleep(30); } - NOTICE(rt2x00dev, "Device failed to enter state %d, " - "current device state: bbp %d and rf %d.\n", - state, bbp_state, rf_state); - return -EBUSY; } @@ -1008,11 +1021,13 @@ static int rt2500usb_set_device_state(struct rt2x00_dev *rt2x00dev, break; case STATE_RADIO_RX_ON: case STATE_RADIO_RX_ON_LINK: - rt2500usb_toggle_rx(rt2x00dev, STATE_RADIO_RX_ON); - break; case STATE_RADIO_RX_OFF: case STATE_RADIO_RX_OFF_LINK: - rt2500usb_toggle_rx(rt2x00dev, STATE_RADIO_RX_OFF); + rt2500usb_toggle_rx(rt2x00dev, state); + break; + case STATE_RADIO_IRQ_ON: + case STATE_RADIO_IRQ_OFF: + /* No support, but no error either */ break; case STATE_DEEP_SLEEP: case STATE_SLEEP: @@ -1025,6 +1040,10 @@ static int rt2500usb_set_device_state(struct rt2x00_dev *rt2x00dev, break; } + if (unlikely(retval)) + ERROR(rt2x00dev, "Device failed to enter state %d (%d).\n", + state, retval); + return retval; } @@ -1069,7 +1088,8 @@ static void rt2500usb_write_tx_desc(struct rt2x00_dev *rt2x00dev, rt2x00_set_field32(&word, TXD_W0_NEW_SEQ, test_bit(ENTRY_TXD_FIRST_FRAGMENT, &txdesc->flags)); rt2x00_set_field32(&word, TXD_W0_IFS, txdesc->ifs); - rt2x00_set_field32(&word, TXD_W0_DATABYTE_COUNT, skbdesc->data_len); + rt2x00_set_field32(&word, TXD_W0_DATABYTE_COUNT, + skb->len - skbdesc->desc_len); rt2x00_set_field32(&word, TXD_W0_CIPHER, CIPHER_NONE); rt2x00_desc_write(txd, 0, word); } @@ -1097,8 +1117,10 @@ static void rt2500usb_kick_tx_queue(struct rt2x00_dev *rt2x00dev, { u16 reg; - if (queue != QID_BEACON) + if (queue != QID_BEACON) { + rt2x00usb_kick_tx_queue(rt2x00dev, queue); return; + } rt2500usb_register_read(rt2x00dev, TXRX_CSR19, ®); if (!rt2x00_get_field16(reg, TXRX_CSR19_BEACON_GEN)) { @@ -1134,14 +1156,10 @@ static void rt2500usb_fill_rxdone(struct queue_entry *entry, u32 word1; /* - * Copy descriptor to the skb->cb array, this has 2 benefits: - * 1) Each descriptor word is 4 byte aligned. - * 2) Descriptor is safe from moving of frame data in rt2x00usb. + * Copy descriptor to the skbdesc->desc buffer, making it safe from moving of + * frame data in rt2x00usb. */ - skbdesc->desc_len = - min_t(u16, entry->queue->desc_size, sizeof(entry->skb->cb)); - memcpy(entry->skb->cb, rxd, skbdesc->desc_len); - skbdesc->desc = entry->skb->cb; + memcpy(skbdesc->desc, rxd, skbdesc->desc_len); rxd = (__le32 *)skbdesc->desc; /* @@ -1175,8 +1193,6 @@ static void rt2500usb_fill_rxdone(struct queue_entry *entry, * Adjust the skb memory window to the frame boundaries. */ skb_trim(entry->skb, rxdesc->size); - skbdesc->data = entry->skb->data; - skbdesc->data_len = rxdesc->size; } /* @@ -1377,23 +1393,10 @@ static int rt2500usb_init_eeprom(struct rt2x00_dev *rt2x00dev) #ifdef CONFIG_RT2500USB_LEDS value = rt2x00_get_field16(eeprom, EEPROM_ANTENNA_LED_MODE); - rt2x00dev->led_radio.rt2x00dev = rt2x00dev; - rt2x00dev->led_radio.type = LED_TYPE_RADIO; - rt2x00dev->led_radio.led_dev.brightness_set = - rt2500usb_brightness_set; - rt2x00dev->led_radio.led_dev.blink_set = - rt2500usb_blink_set; - rt2x00dev->led_radio.flags = LED_INITIALIZED; - - if (value == LED_MODE_TXRX_ACTIVITY) { - rt2x00dev->led_qual.rt2x00dev = rt2x00dev; - rt2x00dev->led_qual.type = LED_TYPE_ACTIVITY; - rt2x00dev->led_qual.led_dev.brightness_set = - rt2500usb_brightness_set; - rt2x00dev->led_qual.led_dev.blink_set = - rt2500usb_blink_set; - rt2x00dev->led_qual.flags = LED_INITIALIZED; - } + rt2500usb_init_led(rt2x00dev, &rt2x00dev->led_radio, LED_TYPE_RADIO); + if (value == LED_MODE_TXRX_ACTIVITY) + rt2500usb_init_led(rt2x00dev, &rt2x00dev->led_qual, + LED_TYPE_ACTIVITY); #endif /* CONFIG_RT2500USB_LEDS */ /* @@ -1703,9 +1706,6 @@ static int rt2500usb_beacon_update(struct ieee80211_hw *hw, struct sk_buff *skb) */ 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->desc_len = intf->beacon->queue->desc_size; skbdesc->entry = intf->beacon; diff --git a/drivers/net/wireless/rt2x00/rt2500usb.h b/drivers/net/wireless/rt2x00/rt2500usb.h index 7d50098..3e21fdf 100644 --- a/drivers/net/wireless/rt2x00/rt2500usb.h +++ b/drivers/net/wireless/rt2x00/rt2500usb.h @@ -48,8 +48,6 @@ * Signal information. * Defaul offset is required for RSSI <-> dBm conversion. */ -#define MAX_SIGNAL 100 -#define MAX_RX_SSI -1 #define DEFAULT_RSSI_OFFSET 120 /* diff --git a/drivers/net/wireless/rt2x00/rt2x00.h b/drivers/net/wireless/rt2x00/rt2x00.h index 15ec797..0da8f97 100644 --- a/drivers/net/wireless/rt2x00/rt2x00.h +++ b/drivers/net/wireless/rt2x00/rt2x00.h @@ -44,7 +44,7 @@ /* * Module information. */ -#define DRV_VERSION "2.1.6" +#define DRV_VERSION "2.1.7" #define DRV_PROJECT "http://rt2x00.serialmonkey.com" /* @@ -546,8 +546,7 @@ struct rt2x00lib_ops { void (*write_tx_desc) (struct rt2x00_dev *rt2x00dev, struct sk_buff *skb, struct txentry_desc *txdesc); - int (*write_tx_data) (struct rt2x00_dev *rt2x00dev, - struct data_queue *queue, struct sk_buff *skb); + int (*write_tx_data) (struct queue_entry *entry); int (*get_tx_data_len) (struct rt2x00_dev *rt2x00dev, struct sk_buff *skb); void (*kick_tx_queue) (struct rt2x00_dev *rt2x00dev, @@ -827,7 +826,7 @@ struct rt2x00_dev { * The Beacon array also contains the Atim queue * if that is supported by the device. */ - int data_queues; + unsigned int data_queues; struct data_queue *rx; struct data_queue *tx; struct data_queue *bcn; @@ -931,6 +930,12 @@ static inline u16 get_duration_res(const unsigned int size, const u8 rate) } /** + * rt2x00queue_alloc_rxskb - allocate a skb for RX purposes. + * @queue: The queue for which the skb will be applicable. + */ +struct sk_buff *rt2x00queue_alloc_rxskb(struct data_queue *queue); + +/** * rt2x00queue_create_tx_descriptor - Create TX descriptor from mac80211 input * @entry: The entry which will be used to transfer the TX frame. * @txdesc: rt2x00 TX descriptor which will be initialized by this function. diff --git a/drivers/net/wireless/rt2x00/rt2x00debug.c b/drivers/net/wireless/rt2x00/rt2x00debug.c index bd92cb8..300cf06 100644 --- a/drivers/net/wireless/rt2x00/rt2x00debug.c +++ b/drivers/net/wireless/rt2x00/rt2x00debug.c @@ -133,7 +133,7 @@ void rt2x00debug_dump_frame(struct rt2x00_dev *rt2x00dev, return; } - skbcopy = alloc_skb(sizeof(*dump_hdr) + desc->desc_len + desc->data_len, + skbcopy = alloc_skb(sizeof(*dump_hdr) + desc->desc_len + skb->len, GFP_ATOMIC); if (!skbcopy) { DEBUG(rt2x00dev, "Failed to copy skb for dump.\n"); @@ -144,7 +144,7 @@ void rt2x00debug_dump_frame(struct rt2x00_dev *rt2x00dev, dump_hdr->version = cpu_to_le32(DUMP_HEADER_VERSION); dump_hdr->header_length = cpu_to_le32(sizeof(*dump_hdr)); dump_hdr->desc_length = cpu_to_le32(desc->desc_len); - dump_hdr->data_length = cpu_to_le32(desc->data_len); + dump_hdr->data_length = cpu_to_le32(skb->len); dump_hdr->chip_rt = cpu_to_le16(rt2x00dev->chip.rt); dump_hdr->chip_rf = cpu_to_le16(rt2x00dev->chip.rf); dump_hdr->chip_rev = cpu_to_le32(rt2x00dev->chip.rev); @@ -155,7 +155,7 @@ void rt2x00debug_dump_frame(struct rt2x00_dev *rt2x00dev, dump_hdr->timestamp_usec = cpu_to_le32(timestamp.tv_usec); memcpy(skb_put(skbcopy, desc->desc_len), desc->desc, desc->desc_len); - memcpy(skb_put(skbcopy, desc->data_len), desc->data, desc->data_len); + memcpy(skb_put(skbcopy, skb->len), skb->data, skb->len); skb_queue_tail(&intf->frame_dump_skbqueue, skbcopy); wake_up_interruptible(&intf->frame_dump_waitqueue); diff --git a/drivers/net/wireless/rt2x00/rt2x00dev.c b/drivers/net/wireless/rt2x00/rt2x00dev.c index dc5ab90..9ea6773 100644 --- a/drivers/net/wireless/rt2x00/rt2x00dev.c +++ b/drivers/net/wireless/rt2x00/rt2x00dev.c @@ -112,6 +112,8 @@ int rt2x00lib_enable_radio(struct rt2x00_dev *rt2x00dev) if (status) return status; + rt2x00dev->ops->lib->set_device_state(rt2x00dev, STATE_RADIO_IRQ_ON); + rt2x00leds_led_radio(rt2x00dev, true); rt2x00led_led_activity(rt2x00dev, true); @@ -157,6 +159,7 @@ void rt2x00lib_disable_radio(struct rt2x00_dev *rt2x00dev) * Disable radio. */ rt2x00dev->ops->lib->set_device_state(rt2x00dev, STATE_RADIO_OFF); + rt2x00dev->ops->lib->set_device_state(rt2x00dev, STATE_RADIO_IRQ_OFF); rt2x00led_led_activity(rt2x00dev, false); rt2x00leds_led_radio(rt2x00dev, false); } @@ -551,14 +554,32 @@ void rt2x00lib_rxdone(struct queue_entry *entry, { struct rt2x00_dev *rt2x00dev = entry->queue->rt2x00dev; struct ieee80211_rx_status *rx_status = &rt2x00dev->rx_status; + unsigned int header_size = ieee80211_get_hdrlen_from_skb(entry->skb); struct ieee80211_supported_band *sband; struct ieee80211_hdr *hdr; const struct rt2x00_rate *rate; + unsigned int align; unsigned int i; int idx = -1; u16 fc; /* + * The data behind the ieee80211 header must be + * aligned on a 4 byte boundary. + */ + align = ((unsigned long)(entry->skb->data + header_size)) & 3; + + if (align) { + skb_push(entry->skb, align); + /* Move entire frame in 1 command */ + memmove(entry->skb->data, entry->skb->data + align, + rxdesc->size); + } + + /* Update data pointers, trim buffer to correct size */ + skb_trim(entry->skb, rxdesc->size); + + /* * Update RX statistics. */ sband = &rt2x00dev->bands[rt2x00dev->curr_band]; diff --git a/drivers/net/wireless/rt2x00/rt2x00lib.h b/drivers/net/wireless/rt2x00/rt2x00lib.h index c4ce534..558f45b 100644 --- a/drivers/net/wireless/rt2x00/rt2x00lib.h +++ b/drivers/net/wireless/rt2x00/rt2x00lib.h @@ -101,6 +101,7 @@ void rt2x00lib_config(struct rt2x00_dev *rt2x00dev, /* * Queue handlers. */ +int rt2x00queue_write_tx_frame(struct data_queue *queue, struct sk_buff *skb); void rt2x00queue_init_rx(struct rt2x00_dev *rt2x00dev); void rt2x00queue_init_tx(struct rt2x00_dev *rt2x00dev); int rt2x00queue_initialize(struct rt2x00_dev *rt2x00dev); diff --git a/drivers/net/wireless/rt2x00/rt2x00mac.c b/drivers/net/wireless/rt2x00/rt2x00mac.c index b02dbc8..c90992f 100644 --- a/drivers/net/wireless/rt2x00/rt2x00mac.c +++ b/drivers/net/wireless/rt2x00/rt2x00mac.c @@ -34,7 +34,6 @@ static int rt2x00mac_tx_rts_cts(struct rt2x00_dev *rt2x00dev, struct sk_buff *frag_skb) { struct ieee80211_tx_info *tx_info = IEEE80211_SKB_CB(frag_skb); - struct skb_frame_desc *skbdesc; struct ieee80211_tx_info *rts_info; struct sk_buff *skb; int size; @@ -65,6 +64,7 @@ static int rt2x00mac_tx_rts_cts(struct rt2x00_dev *rt2x00dev, memcpy(skb->cb, frag_skb->cb, sizeof(skb->cb)); rts_info = IEEE80211_SKB_CB(skb); rts_info->flags |= IEEE80211_TX_CTL_DO_NOT_ENCRYPT; + rts_info->flags &= ~IEEE80211_TX_CTL_USE_RTS_CTS; rts_info->flags &= ~IEEE80211_TX_CTL_USE_CTS_PROTECT; rts_info->flags &= ~IEEE80211_TX_CTL_REQ_TX_STATUS; @@ -82,14 +82,7 @@ static int rt2x00mac_tx_rts_cts(struct rt2x00_dev *rt2x00dev, frag_skb->data, size, tx_info, (struct ieee80211_rts *)(skb->data)); - /* - * Initialize skb descriptor - */ - skbdesc = get_skb_frame_desc(skb); - memset(skbdesc, 0, sizeof(*skbdesc)); - skbdesc->flags |= FRAME_DESC_DRIVER_GENERATED; - - if (rt2x00dev->ops->lib->write_tx_data(rt2x00dev, queue, skb)) { + if (rt2x00queue_write_tx_frame(queue, skb)) { WARNING(rt2x00dev, "Failed to send RTS/CTS frame.\n"); return NETDEV_TX_BUSY; } @@ -135,18 +128,16 @@ int rt2x00mac_tx(struct ieee80211_hw *hw, struct sk_buff *skb) } /* - * If CTS/RTS is required. and this frame is not CTS or RTS, - * create and queue that frame first. But make sure we have - * at least enough entries available to send this CTS/RTS - * frame as well as the data frame. + * If CTS/RTS is required. create and queue that frame first. + * Make sure we have at least enough entries available to send + * this CTS/RTS frame as well as the data frame. * Note that when the driver has set the set_rts_threshold() * callback function it doesn't need software generation of - * neither RTS or CTS-to-self frames and handles everything + * either RTS or CTS-to-self frame and handles everything * inside the hardware. */ frame_control = le16_to_cpu(ieee80211hdr->frame_control); - if (!is_rts_frame(frame_control) && !is_cts_frame(frame_control) && - (tx_info->flags & (IEEE80211_TX_CTL_USE_RTS_CTS | + if ((tx_info->flags & (IEEE80211_TX_CTL_USE_RTS_CTS | IEEE80211_TX_CTL_USE_CTS_PROTECT)) && !rt2x00dev->ops->hw->set_rts_threshold) { if (rt2x00queue_available(queue) <= 1) { @@ -160,17 +151,14 @@ int rt2x00mac_tx(struct ieee80211_hw *hw, struct sk_buff *skb) } } - if (rt2x00dev->ops->lib->write_tx_data(rt2x00dev, queue, skb)) { + if (rt2x00queue_write_tx_frame(queue, skb)) { ieee80211_stop_queue(rt2x00dev->hw, qid); return NETDEV_TX_BUSY; } - if (rt2x00queue_full(queue)) + if (rt2x00queue_threshold(queue)) ieee80211_stop_queue(rt2x00dev->hw, qid); - if (rt2x00dev->ops->lib->kick_tx_queue) - rt2x00dev->ops->lib->kick_tx_queue(rt2x00dev, qid); - return NETDEV_TX_OK; } EXPORT_SYMBOL_GPL(rt2x00mac_tx); diff --git a/drivers/net/wireless/rt2x00/rt2x00pci.c b/drivers/net/wireless/rt2x00/rt2x00pci.c index 70a3d13..82e80b6 100644 --- a/drivers/net/wireless/rt2x00/rt2x00pci.c +++ b/drivers/net/wireless/rt2x00/rt2x00pci.c @@ -34,52 +34,38 @@ /* * TX data handlers. */ -int rt2x00pci_write_tx_data(struct rt2x00_dev *rt2x00dev, - struct data_queue *queue, struct sk_buff *skb) +int rt2x00pci_write_tx_data(struct queue_entry *entry) { - struct queue_entry *entry = rt2x00queue_get_entry(queue, Q_INDEX); struct queue_entry_priv_pci *entry_priv = entry->priv_data; struct skb_frame_desc *skbdesc; - struct txentry_desc txdesc; u32 word; - if (rt2x00queue_full(queue)) - return -EINVAL; - rt2x00_desc_read(entry_priv->desc, 0, &word); - if (rt2x00_get_field32(word, TXD_ENTRY_OWNER_NIC) || - rt2x00_get_field32(word, TXD_ENTRY_VALID)) { - ERROR(rt2x00dev, - "Arrived at non-free entry in the non-full queue %d.\n" + /* + * This should not happen, we already checked the entry + * was ours. When the hardware disagrees there has been + * a queue corruption! + */ + if (unlikely(rt2x00_get_field32(word, TXD_ENTRY_OWNER_NIC) || + rt2x00_get_field32(word, TXD_ENTRY_VALID))) { + ERROR(entry->queue->rt2x00dev, + "Corrupt queue %d, accessing entry which is not ours.\n" "Please file bug report to %s.\n", entry->queue->qid, DRV_PROJECT); return -EINVAL; } /* - * Copy all TX descriptor information into txdesc, - * after that we are free to use the skb->cb array - * for our information. - */ - entry->skb = skb; - rt2x00queue_create_tx_descriptor(entry, &txdesc); - - /* * Fill in skb descriptor */ - skbdesc = get_skb_frame_desc(skb); + skbdesc = get_skb_frame_desc(entry->skb); memset(skbdesc, 0, sizeof(*skbdesc)); - skbdesc->data = skb->data; - skbdesc->data_len = skb->len; skbdesc->desc = entry_priv->desc; - skbdesc->desc_len = queue->desc_size; + skbdesc->desc_len = entry->queue->desc_size; skbdesc->entry = entry; - memcpy(entry_priv->data, skb->data, skb->len); - - rt2x00queue_write_tx_descriptor(entry, &txdesc); - rt2x00queue_index_inc(queue, Q_INDEX); + memcpy(entry_priv->data, entry->skb->data, entry->skb->len); return 0; } @@ -93,11 +79,8 @@ void rt2x00pci_rxdone(struct rt2x00_dev *rt2x00dev) struct data_queue *queue = rt2x00dev->rx; struct queue_entry *entry; struct queue_entry_priv_pci *entry_priv; - struct ieee80211_hdr *hdr; struct skb_frame_desc *skbdesc; struct rxdone_entry_desc rxdesc; - int header_size; - int align; u32 word; while (1) { @@ -111,35 +94,21 @@ void rt2x00pci_rxdone(struct rt2x00_dev *rt2x00dev) memset(&rxdesc, 0, sizeof(rxdesc)); rt2x00dev->ops->lib->fill_rxdone(entry, &rxdesc); - hdr = (struct ieee80211_hdr *)entry_priv->data; - header_size = - ieee80211_get_hdrlen(le16_to_cpu(hdr->frame_control)); - - /* - * The data behind the ieee80211 header must be - * aligned on a 4 byte boundary. - */ - align = header_size % 4; - /* - * Allocate the sk_buffer, initialize it and copy - * all data into it. + * Allocate the sk_buffer and copy all data into it. */ - entry->skb = dev_alloc_skb(rxdesc.size + align); + entry->skb = rt2x00queue_alloc_rxskb(queue); if (!entry->skb) return; - skb_reserve(entry->skb, align); - memcpy(skb_put(entry->skb, rxdesc.size), - entry_priv->data, rxdesc.size); + memcpy(entry->skb->data, entry_priv->data, rxdesc.size); + skb_trim(entry->skb, rxdesc.size); /* * Fill in skb descriptor */ skbdesc = get_skb_frame_desc(entry->skb); memset(skbdesc, 0, sizeof(*skbdesc)); - skbdesc->data = entry->skb->data; - skbdesc->data_len = entry->skb->len; skbdesc->desc = entry_priv->desc; skbdesc->desc_len = queue->desc_size; skbdesc->entry = entry; @@ -178,14 +147,15 @@ void rt2x00pci_txdone(struct rt2x00_dev *rt2x00dev, struct queue_entry *entry, rt2x00_set_field32(&word, TXD_ENTRY_VALID, 0); rt2x00_desc_write(entry_priv->desc, 0, word); + __clear_bit(ENTRY_OWNER_DEVICE_DATA, &entry->flags); rt2x00queue_index_inc(entry->queue, Q_INDEX_DONE); /* - * If the data queue was full before the txdone handler - * we must make sure the packet queue in the mac80211 stack + * If the data queue was below the threshold before the txdone + * handler we must make sure the packet queue in the mac80211 stack * is reenabled when the txdone handler has finished. */ - if (!rt2x00queue_full(entry->queue)) + if (!rt2x00queue_threshold(entry->queue)) ieee80211_wake_queue(rt2x00dev->hw, qid); } diff --git a/drivers/net/wireless/rt2x00/rt2x00pci.h b/drivers/net/wireless/rt2x00/rt2x00pci.h index 37c851e..87c4a0c 100644 --- a/drivers/net/wireless/rt2x00/rt2x00pci.h +++ b/drivers/net/wireless/rt2x00/rt2x00pci.h @@ -87,11 +87,14 @@ rt2x00pci_register_multiwrite(struct rt2x00_dev *rt2x00dev, memcpy_toio(rt2x00dev->csr.base + offset, value, length); } -/* - * TX data handlers. +/** + * rt2x00pci_write_tx_data - Initialize data for TX operation + * @entry: The entry where the frame is located + * + * This function will initialize the DMA and skb descriptor + * to prepare the entry for the actual TX operation. */ -int rt2x00pci_write_tx_data(struct rt2x00_dev *rt2x00dev, - struct data_queue *queue, struct sk_buff *skb); +int rt2x00pci_write_tx_data(struct queue_entry *entry); /** * struct queue_entry_priv_pci: Per entry PCI specific information diff --git a/drivers/net/wireless/rt2x00/rt2x00queue.c b/drivers/net/wireless/rt2x00/rt2x00queue.c index e69ef4b..7b52039 100644 --- a/drivers/net/wireless/rt2x00/rt2x00queue.c +++ b/drivers/net/wireless/rt2x00/rt2x00queue.c @@ -29,6 +29,45 @@ #include "rt2x00.h" #include "rt2x00lib.h" +struct sk_buff *rt2x00queue_alloc_rxskb(struct data_queue *queue) +{ + struct sk_buff *skb; + unsigned int frame_size; + unsigned int reserved_size; + + /* + * The frame size includes descriptor size, because the + * hardware directly receive the frame into the skbuffer. + */ + frame_size = queue->data_size + queue->desc_size; + + /* + * For the allocation we should keep a few things in mind: + * 1) 4byte alignment of 802.11 payload + * + * For (1) we need at most 4 bytes to guarentee the correct + * alignment. We are going to optimize the fact that the chance + * that the 802.11 header_size % 4 == 2 is much bigger then + * anything else. However since we need to move the frame up + * to 3 bytes to the front, which means we need to preallocate + * 6 bytes. + */ + reserved_size = 6; + + /* + * Allocate skbuffer. + */ + skb = dev_alloc_skb(frame_size + reserved_size); + if (!skb) + return NULL; + + skb_reserve(skb, reserved_size); + skb_put(skb, frame_size); + + return skb; +} +EXPORT_SYMBOL_GPL(rt2x00queue_alloc_rxskb); + void rt2x00queue_create_tx_descriptor(struct queue_entry *entry, struct txentry_desc *txdesc) { @@ -91,7 +130,7 @@ void rt2x00queue_create_tx_descriptor(struct queue_entry *entry, /* * Check if more fragments are pending */ - if (ieee80211_get_morefrag(hdr)) { + if (ieee80211_has_morefrags(hdr->frame_control)) { __set_bit(ENTRY_TXD_BURST, &txdesc->flags); __set_bit(ENTRY_TXD_MORE_FRAG, &txdesc->flags); } @@ -163,8 +202,8 @@ EXPORT_SYMBOL_GPL(rt2x00queue_create_tx_descriptor); void rt2x00queue_write_tx_descriptor(struct queue_entry *entry, struct txentry_desc *txdesc) { - struct rt2x00_dev *rt2x00dev = entry->queue->rt2x00dev; - struct skb_frame_desc *skbdesc = get_skb_frame_desc(entry->skb); + struct data_queue *queue = entry->queue; + struct rt2x00_dev *rt2x00dev = queue->rt2x00dev; rt2x00dev->ops->lib->write_tx_desc(rt2x00dev, entry->skb, txdesc); @@ -175,19 +214,61 @@ void rt2x00queue_write_tx_descriptor(struct queue_entry *entry, rt2x00debug_dump_frame(rt2x00dev, DUMP_FRAME_TX, entry->skb); /* - * We are done writing the frame to the queue entry, - * also kick the queue in case the correct flags are set, - * note that this will automatically filter beacons and - * RTS/CTS frames since those frames don't have this flag - * set. + * Check if we need to kick the queue, there are however a few rules + * 1) Don't kick beacon queue + * 2) Don't kick unless this is the last in frame in a burst. + * When the burst flag is set, this frame is always followed + * by another frame which in some way are related to eachother. + * This is true for fragments, RTS or CTS-to-self frames. + * 3) Rule 2 can be broken when the available entries + * in the queue are less then a certain threshold. */ - if (rt2x00dev->ops->lib->kick_tx_queue && - !(skbdesc->flags & FRAME_DESC_DRIVER_GENERATED)) - rt2x00dev->ops->lib->kick_tx_queue(rt2x00dev, - entry->queue->qid); + if (entry->queue->qid == QID_BEACON) + return; + + if (rt2x00queue_threshold(queue) || + !test_bit(ENTRY_TXD_BURST, &txdesc->flags)) + rt2x00dev->ops->lib->kick_tx_queue(rt2x00dev, queue->qid); } EXPORT_SYMBOL_GPL(rt2x00queue_write_tx_descriptor); +int rt2x00queue_write_tx_frame(struct data_queue *queue, struct sk_buff *skb) +{ + struct queue_entry *entry = rt2x00queue_get_entry(queue, Q_INDEX); + struct txentry_desc txdesc; + + if (unlikely(rt2x00queue_full(queue))) + return -EINVAL; + + if (__test_and_set_bit(ENTRY_OWNER_DEVICE_DATA, &entry->flags)) { + ERROR(queue->rt2x00dev, + "Arrived at non-free entry in the non-full queue %d.\n" + "Please file bug report to %s.\n", + queue->qid, DRV_PROJECT); + return -EINVAL; + } + + /* + * Copy all TX descriptor information into txdesc, + * after that we are free to use the skb->cb array + * for our information. + */ + entry->skb = skb; + rt2x00queue_create_tx_descriptor(entry, &txdesc); + + if (unlikely(queue->rt2x00dev->ops->lib->write_tx_data(entry))) { + __clear_bit(ENTRY_OWNER_DEVICE_DATA, &entry->flags); + return -EIO; + } + + __set_bit(ENTRY_DATA_PENDING, &entry->flags); + + rt2x00queue_index_inc(queue, Q_INDEX); + rt2x00queue_write_tx_descriptor(entry, &txdesc); + + return 0; +} + struct data_queue *rt2x00queue_get_queue(struct rt2x00_dev *rt2x00dev, const enum data_queue_qid queue) { @@ -312,6 +393,7 @@ static int rt2x00queue_alloc_entries(struct data_queue *queue, rt2x00queue_reset(queue); queue->limit = qdesc->entry_num; + queue->threshold = DIV_ROUND_UP(qdesc->entry_num, 10); queue->data_size = qdesc->data_size; queue->desc_size = qdesc->desc_size; @@ -439,7 +521,8 @@ int rt2x00queue_allocate(struct rt2x00_dev *rt2x00dev) * TX: qid = QID_AC_BE + index * TX: cw_min: 2^5 = 32. * TX: cw_max: 2^10 = 1024. - * BCN & Atim: qid = QID_MGMT + * BCN: qid = QID_BEACON + * ATIM: qid = QID_ATIM */ rt2x00queue_init(rt2x00dev, rt2x00dev->rx, QID_RX); @@ -447,9 +530,9 @@ int rt2x00queue_allocate(struct rt2x00_dev *rt2x00dev) tx_queue_for_each(rt2x00dev, queue) rt2x00queue_init(rt2x00dev, queue, qid++); - rt2x00queue_init(rt2x00dev, &rt2x00dev->bcn[0], QID_MGMT); + rt2x00queue_init(rt2x00dev, &rt2x00dev->bcn[0], QID_BEACON); if (req_atim) - rt2x00queue_init(rt2x00dev, &rt2x00dev->bcn[1], QID_MGMT); + rt2x00queue_init(rt2x00dev, &rt2x00dev->bcn[1], QID_ATIM); return 0; } diff --git a/drivers/net/wireless/rt2x00/rt2x00queue.h b/drivers/net/wireless/rt2x00/rt2x00queue.h index 4d00ced..fcf52520 100644 --- a/drivers/net/wireless/rt2x00/rt2x00queue.h +++ b/drivers/net/wireless/rt2x00/rt2x00queue.h @@ -82,12 +82,10 @@ enum data_queue_qid { /** * enum skb_frame_desc_flags: Flags for &struct skb_frame_desc * - * @FRAME_DESC_DRIVER_GENERATED: Frame was generated inside driver - * and should not be reported back to mac80211 during txdone. */ -enum skb_frame_desc_flags { - FRAME_DESC_DRIVER_GENERATED = 1 << 0, -}; +//enum skb_frame_desc_flags { +// TEMPORARILY EMPTY +//}; /** * struct skb_frame_desc: Descriptor information for the skb buffer @@ -107,11 +105,8 @@ enum skb_frame_desc_flags { struct skb_frame_desc { unsigned int flags; - unsigned short data_len; - unsigned short desc_len; - - void *data; void *desc; + unsigned int desc_len; struct queue_entry *entry; }; @@ -260,11 +255,14 @@ struct txentry_desc { * @ENTRY_OWNER_DEVICE_CRYPTO: This entry is owned by the device for data * encryption or decryption. The entry should only be touched after * the device has signaled it is done with it. + * @ENTRY_DATA_PENDING: This entry contains a valid frame and is waiting + * for the signal to start sending. */ enum queue_entry_flags { ENTRY_BCN_ASSIGNED, ENTRY_OWNER_DEVICE_DATA, ENTRY_OWNER_DEVICE_CRYPTO, + ENTRY_DATA_PENDING, }; /** @@ -322,6 +320,7 @@ enum queue_index { * index corruption due to concurrency. * @count: Number of frames handled in the queue. * @limit: Maximum number of entries in the queue. + * @threshold: Minimum number of free entries before queue is kicked by force. * @length: Number of frames in queue. * @index: Index pointers to entry positions in the queue, * use &enum queue_index to get a specific index field. @@ -340,6 +339,7 @@ struct data_queue { spinlock_t lock; unsigned int count; unsigned short limit; + unsigned short threshold; unsigned short length; unsigned short index[Q_INDEX_MAX]; @@ -464,6 +464,15 @@ static inline int rt2x00queue_available(struct data_queue *queue) } /** + * rt2x00queue_threshold - Check if the queue is below threshold + * @queue: Queue to check. + */ +static inline int rt2x00queue_threshold(struct data_queue *queue) +{ + return rt2x00queue_available(queue) < queue->threshold; +} + +/** * rt2x00_desc_read - Read a word from the hardware descriptor. * @desc: Base descriptor address * @word: Word index from where the descriptor should be read. diff --git a/drivers/net/wireless/rt2x00/rt2x00reg.h b/drivers/net/wireless/rt2x00/rt2x00reg.h index 3f255df..7e88ce5 100644 --- a/drivers/net/wireless/rt2x00/rt2x00reg.h +++ b/drivers/net/wireless/rt2x00/rt2x00reg.h @@ -130,83 +130,107 @@ struct rt2x00_field32 { /* * Power of two check, this will check - * if the mask that has been given contains - * and contiguous set of bits. + * if the mask that has been given contains and contiguous set of bits. + * Note that we cannot use the is_power_of_2() function since this + * check must be done at compile-time. */ #define is_power_of_two(x) ( !((x) & ((x)-1)) ) #define low_bit_mask(x) ( ((x)-1) & ~(x) ) #define is_valid_mask(x) is_power_of_two(1 + (x) + low_bit_mask(x)) +/* + * Macro's to find first set bit in a variable. + * These macro's behaves the same as the __ffs() function with + * the most important difference that this is done during + * compile-time rather then run-time. + */ +#define compile_ffs2(__x) \ + __builtin_choose_expr(((__x) & 0x1), 0, 1) + +#define compile_ffs4(__x) \ + __builtin_choose_expr(((__x) & 0x3), \ + (compile_ffs2((__x))), \ + (compile_ffs2((__x) >> 2) + 2)) + +#define compile_ffs8(__x) \ + __builtin_choose_expr(((__x) & 0xf), \ + (compile_ffs4((__x))), \ + (compile_ffs4((__x) >> 4) + 4)) + +#define compile_ffs16(__x) \ + __builtin_choose_expr(((__x) & 0xff), \ + (compile_ffs8((__x))), \ + (compile_ffs8((__x) >> 8) + 8)) + +#define compile_ffs32(__x) \ + __builtin_choose_expr(((__x) & 0xffff), \ + (compile_ffs16((__x))), \ + (compile_ffs16((__x) >> 16) + 16)) + +/* + * This macro will check the requirements for the FIELD{8,16,32} macros + * The mask should be a constant non-zero contiguous set of bits which + * does not exceed the given typelimit. + */ +#define FIELD_CHECK(__mask, __type) \ + BUILD_BUG_ON(!__builtin_constant_p(__mask) || \ + !(__mask) || \ + !is_valid_mask(__mask) || \ + (__mask) != (__type)(__mask)) \ + #define FIELD8(__mask) \ ({ \ - BUILD_BUG_ON(!(__mask) || \ - !is_valid_mask(__mask) || \ - (__mask) != (u8)(__mask)); \ + FIELD_CHECK(__mask, u8); \ (struct rt2x00_field8) { \ - __ffs(__mask), (__mask) \ + compile_ffs8(__mask), (__mask) \ }; \ }) #define FIELD16(__mask) \ ({ \ - BUILD_BUG_ON(!(__mask) || \ - !is_valid_mask(__mask) || \ - (__mask) != (u16)(__mask));\ + FIELD_CHECK(__mask, u16); \ (struct rt2x00_field16) { \ - __ffs(__mask), (__mask) \ + compile_ffs16(__mask), (__mask) \ }; \ }) #define FIELD32(__mask) \ ({ \ - BUILD_BUG_ON(!(__mask) || \ - !is_valid_mask(__mask) || \ - (__mask) != (u32)(__mask));\ + FIELD_CHECK(__mask, u32); \ (struct rt2x00_field32) { \ - __ffs(__mask), (__mask) \ + compile_ffs32(__mask), (__mask) \ }; \ }) -static inline void rt2x00_set_field32(u32 *reg, - const struct rt2x00_field32 field, - const u32 value) -{ - *reg &= ~(field.bit_mask); - *reg |= (value << field.bit_offset) & field.bit_mask; -} - -static inline u32 rt2x00_get_field32(const u32 reg, - const struct rt2x00_field32 field) -{ - return (reg & field.bit_mask) >> field.bit_offset; -} - -static inline void rt2x00_set_field16(u16 *reg, - const struct rt2x00_field16 field, - const u16 value) -{ - *reg &= ~(field.bit_mask); - *reg |= (value << field.bit_offset) & field.bit_mask; -} - -static inline u16 rt2x00_get_field16(const u16 reg, - const struct rt2x00_field16 field) -{ - return (reg & field.bit_mask) >> field.bit_offset; -} - -static inline void rt2x00_set_field8(u8 *reg, - const struct rt2x00_field8 field, - const u8 value) -{ - *reg &= ~(field.bit_mask); - *reg |= (value << field.bit_offset) & field.bit_mask; -} - -static inline u8 rt2x00_get_field8(const u8 reg, - const struct rt2x00_field8 field) -{ - return (reg & field.bit_mask) >> field.bit_offset; -} +#define SET_FIELD(__reg, __type, __field, __value)\ +({ \ + typecheck(__type, __field); \ + *(__reg) &= ~((__field).bit_mask); \ + *(__reg) |= ((__value) << \ + ((__field).bit_offset)) & \ + ((__field).bit_mask); \ +}) + +#define GET_FIELD(__reg, __type, __field) \ +({ \ + typecheck(__type, __field); \ + ((__reg) & ((__field).bit_mask)) >> \ + ((__field).bit_offset); \ +}) + +#define rt2x00_set_field32(__reg, __field, __value) \ + SET_FIELD(__reg, struct rt2x00_field32, __field, __value) +#define rt2x00_get_field32(__reg, __field) \ + GET_FIELD(__reg, struct rt2x00_field32, __field) + +#define rt2x00_set_field16(__reg, __field, __value) \ + SET_FIELD(__reg, struct rt2x00_field16, __field, __value) +#define rt2x00_get_field16(__reg, __field) \ + GET_FIELD(__reg, struct rt2x00_field16, __field) + +#define rt2x00_set_field8(__reg, __field, __value) \ + SET_FIELD(__reg, struct rt2x00_field8, __field, __value) +#define rt2x00_get_field8(__reg, __field) \ + GET_FIELD(__reg, struct rt2x00_field8, __field) #endif /* RT2X00REG_H */ diff --git a/drivers/net/wireless/rt2x00/rt2x00usb.c b/drivers/net/wireless/rt2x00/rt2x00usb.c index 52d12fd..68d87f0 100644 --- a/drivers/net/wireless/rt2x00/rt2x00usb.c +++ b/drivers/net/wireless/rt2x00/rt2x00usb.c @@ -130,16 +130,12 @@ static void rt2x00usb_interrupt_txdone(struct urb *urb) struct queue_entry *entry = (struct queue_entry *)urb->context; struct rt2x00_dev *rt2x00dev = entry->queue->rt2x00dev; struct txdone_entry_desc txdesc; - __le32 *txd = (__le32 *)entry->skb->data; enum data_queue_qid qid = skb_get_queue_mapping(entry->skb); - u32 word; if (!test_bit(DEVICE_ENABLED_RADIO, &rt2x00dev->flags) || !__test_and_clear_bit(ENTRY_OWNER_DEVICE_DATA, &entry->flags)) return; - rt2x00_desc_read(txd, 0, &word); - /* * Remove the descriptor data from the buffer. */ @@ -169,124 +165,101 @@ static void rt2x00usb_interrupt_txdone(struct urb *urb) rt2x00queue_index_inc(entry->queue, Q_INDEX_DONE); /* - * If the data queue was full before the txdone handler - * we must make sure the packet queue in the mac80211 stack + * If the data queue was below the threshold before the txdone + * handler we must make sure the packet queue in the mac80211 stack * is reenabled when the txdone handler has finished. */ - if (!rt2x00queue_full(entry->queue)) + if (!rt2x00queue_threshold(entry->queue)) ieee80211_wake_queue(rt2x00dev->hw, qid); } -int rt2x00usb_write_tx_data(struct rt2x00_dev *rt2x00dev, - struct data_queue *queue, struct sk_buff *skb) +int rt2x00usb_write_tx_data(struct queue_entry *entry) { + struct rt2x00_dev *rt2x00dev = entry->queue->rt2x00dev; struct usb_device *usb_dev = rt2x00dev_usb_dev(rt2x00dev); - struct queue_entry *entry = rt2x00queue_get_entry(queue, Q_INDEX); struct queue_entry_priv_usb *entry_priv = entry->priv_data; struct skb_frame_desc *skbdesc; - struct txentry_desc txdesc; u32 length; - if (rt2x00queue_full(queue)) - return -EINVAL; - - if (test_bit(ENTRY_OWNER_DEVICE_DATA, &entry->flags)) { - ERROR(rt2x00dev, - "Arrived at non-free entry in the non-full queue %d.\n" - "Please file bug report to %s.\n", - entry->queue->qid, DRV_PROJECT); - return -EINVAL; - } - - /* - * Copy all TX descriptor information into txdesc, - * after that we are free to use the skb->cb array - * for our information. - */ - entry->skb = skb; - rt2x00queue_create_tx_descriptor(entry, &txdesc); - /* * Add the descriptor in front of the skb. */ - skb_push(skb, queue->desc_size); - memset(skb->data, 0, queue->desc_size); + skb_push(entry->skb, entry->queue->desc_size); + memset(entry->skb->data, 0, entry->queue->desc_size); /* * Fill in skb descriptor */ - skbdesc = get_skb_frame_desc(skb); + skbdesc = get_skb_frame_desc(entry->skb); memset(skbdesc, 0, sizeof(*skbdesc)); - skbdesc->data = skb->data + queue->desc_size; - skbdesc->data_len = skb->len - queue->desc_size; - skbdesc->desc = skb->data; - skbdesc->desc_len = queue->desc_size; + skbdesc->desc = entry->skb->data; + skbdesc->desc_len = entry->queue->desc_size; skbdesc->entry = entry; - rt2x00queue_write_tx_descriptor(entry, &txdesc); - /* * USB devices cannot blindly pass the skb->len as the * length of the data to usb_fill_bulk_urb. Pass the skb * to the driver to determine what the length should be. */ - length = rt2x00dev->ops->lib->get_tx_data_len(rt2x00dev, skb); + length = rt2x00dev->ops->lib->get_tx_data_len(rt2x00dev, entry->skb); - /* - * Initialize URB and send the frame to the device. - */ - __set_bit(ENTRY_OWNER_DEVICE_DATA, &entry->flags); - usb_fill_bulk_urb(entry_priv->urb, usb_dev, usb_sndbulkpipe(usb_dev, 1), - skb->data, length, rt2x00usb_interrupt_txdone, entry); - usb_submit_urb(entry_priv->urb, GFP_ATOMIC); - - rt2x00queue_index_inc(queue, Q_INDEX); + usb_fill_bulk_urb(entry_priv->urb, usb_dev, + usb_sndbulkpipe(usb_dev, 1), + entry->skb->data, length, + rt2x00usb_interrupt_txdone, entry); return 0; } EXPORT_SYMBOL_GPL(rt2x00usb_write_tx_data); -/* - * RX data handlers. - */ -static struct sk_buff* rt2x00usb_alloc_rxskb(struct data_queue *queue) +static inline void rt2x00usb_kick_tx_entry(struct queue_entry *entry) { - struct sk_buff *skb; - unsigned int frame_size; - unsigned int reserved_size; + struct queue_entry_priv_usb *entry_priv = entry->priv_data; - /* - * The frame size includes descriptor size, because the - * hardware directly receive the frame into the skbuffer. - */ - frame_size = queue->data_size + queue->desc_size; + if (__test_and_clear_bit(ENTRY_DATA_PENDING, &entry->flags)) + usb_submit_urb(entry_priv->urb, GFP_ATOMIC); +} + +void rt2x00usb_kick_tx_queue(struct rt2x00_dev *rt2x00dev, + const enum data_queue_qid qid) +{ + struct data_queue *queue = rt2x00queue_get_queue(rt2x00dev, qid); + unsigned long irqflags; + unsigned int index; + unsigned int index_done; + unsigned int i; /* - * For the allocation we should keep a few things in mind: - * 1) 4byte alignment of 802.11 payload - * - * For (1) we need at most 4 bytes to guarentee the correct - * alignment. We are going to optimize the fact that the chance - * that the 802.11 header_size % 4 == 2 is much bigger then - * anything else. However since we need to move the frame up - * to 3 bytes to the front, which means we need to preallocate - * 6 bytes. + * Only protect the range we are going to loop over, + * if during our loop a extra entry is set to pending + * it should not be kicked during this run, since it + * is part of another TX operation. */ - reserved_size = 6; + spin_lock_irqsave(&queue->lock, irqflags); + index = queue->index[Q_INDEX]; + index_done = queue->index[Q_INDEX_DONE]; + spin_unlock_irqrestore(&queue->lock, irqflags); /* - * Allocate skbuffer. + * Start from the TX done pointer, this guarentees that we will + * send out all frames in the correct order. */ - skb = dev_alloc_skb(frame_size + reserved_size); - if (!skb) - return NULL; - - skb_reserve(skb, reserved_size); - skb_put(skb, frame_size); - - return skb; + if (index_done < index) { + for (i = index_done; i < index; i++) + rt2x00usb_kick_tx_entry(&queue->entries[i]); + } else { + for (i = index_done; i < queue->limit; i++) + rt2x00usb_kick_tx_entry(&queue->entries[i]); + + for (i = 0; i < index; i++) + rt2x00usb_kick_tx_entry(&queue->entries[i]); + } } +EXPORT_SYMBOL_GPL(rt2x00usb_kick_tx_queue); +/* + * RX data handlers. + */ static void rt2x00usb_interrupt_rxdone(struct urb *urb) { struct queue_entry *entry = (struct queue_entry *)urb->context; @@ -294,8 +267,7 @@ static void rt2x00usb_interrupt_rxdone(struct urb *urb) struct sk_buff *skb; struct skb_frame_desc *skbdesc; struct rxdone_entry_desc rxdesc; - unsigned int header_size; - unsigned int align; + u8 rxd[32]; if (!test_bit(DEVICE_ENABLED_RADIO, &rt2x00dev->flags) || !test_and_clear_bit(ENTRY_OWNER_DEVICE_DATA, &entry->flags)) @@ -315,39 +287,18 @@ static void rt2x00usb_interrupt_rxdone(struct urb *urb) skbdesc = get_skb_frame_desc(entry->skb); memset(skbdesc, 0, sizeof(*skbdesc)); skbdesc->entry = entry; + skbdesc->desc = rxd; + skbdesc->desc_len = entry->queue->desc_size; memset(&rxdesc, 0, sizeof(rxdesc)); rt2x00dev->ops->lib->fill_rxdone(entry, &rxdesc); - header_size = ieee80211_get_hdrlen_from_skb(entry->skb); - - /* - * The data behind the ieee80211 header must be - * aligned on a 4 byte boundary. We already reserved - * 2 bytes for header_size % 4 == 2 optimization. - * To determine the number of bytes which the data - * should be moved to the left, we must add these - * 2 bytes to the header_size. - */ - align = (header_size + 2) % 4; - - if (align) { - skb_push(entry->skb, align); - /* Move entire frame in 1 command */ - memmove(entry->skb->data, entry->skb->data + align, - rxdesc.size); - } - - /* Update data pointers, trim buffer to correct size */ - skbdesc->data = entry->skb->data; - skb_trim(entry->skb, rxdesc.size); - /* * Allocate a new sk buffer to replace the current one. * If allocation fails, we should drop the current frame * so we can recycle the existing sk buffer for the new frame. */ - skb = rt2x00usb_alloc_rxskb(entry->queue); + skb = rt2x00queue_alloc_rxskb(entry->queue); if (!skb) goto skip_entry; @@ -519,7 +470,7 @@ int rt2x00usb_initialize(struct rt2x00_dev *rt2x00dev) */ entry_size = rt2x00dev->rx->data_size + rt2x00dev->rx->desc_size; for (i = 0; i < rt2x00dev->rx->limit; i++) { - skb = rt2x00usb_alloc_rxskb(rt2x00dev->rx); + skb = rt2x00queue_alloc_rxskb(rt2x00dev->rx); if (!skb) goto exit; diff --git a/drivers/net/wireless/rt2x00/rt2x00usb.h b/drivers/net/wireless/rt2x00/rt2x00usb.h index 26f53f8..b1187c8 100644 --- a/drivers/net/wireless/rt2x00/rt2x00usb.h +++ b/drivers/net/wireless/rt2x00/rt2x00usb.h @@ -212,11 +212,14 @@ static inline int rt2x00usb_eeprom_read(struct rt2x00_dev *rt2x00dev, */ void rt2x00usb_disable_radio(struct rt2x00_dev *rt2x00dev); -/* - * TX data handlers. +/** + * rt2x00usb_write_tx_data - Initialize URB for TX operation + * @entry: The entry where the frame is located + * + * This function will initialize the URB and skb descriptor + * to prepare the entry for the actual TX operation. */ -int rt2x00usb_write_tx_data(struct rt2x00_dev *rt2x00dev, - struct data_queue *queue, struct sk_buff *skb); +int rt2x00usb_write_tx_data(struct queue_entry *entry); /** * struct queue_entry_priv_usb: Per entry USB specific information @@ -245,6 +248,17 @@ struct queue_entry_priv_usb_bcn { struct urb *guardian_urb; }; +/** + * rt2x00usb_kick_tx_queue - Kick data queue + * @rt2x00dev: Pointer to &struct rt2x00_dev + * @qid: Data queue to kick + * + * This will walk through all entries of the queue and push all pending + * frames to the hardware as a single burst. + */ +void rt2x00usb_kick_tx_queue(struct rt2x00_dev *rt2x00dev, + const enum data_queue_qid qid); + /* * Device initialization handlers. */ diff --git a/drivers/net/wireless/rt2x00/rt61pci.c b/drivers/net/wireless/rt2x00/rt61pci.c index e13ed5c..5b7267e 100644 --- a/drivers/net/wireless/rt2x00/rt61pci.c +++ b/drivers/net/wireless/rt2x00/rt61pci.c @@ -330,6 +330,17 @@ static int rt61pci_blink_set(struct led_classdev *led_cdev, return 0; } + +static void rt61pci_init_led(struct rt2x00_dev *rt2x00dev, + struct rt2x00_led *led, + enum led_type type) +{ + led->rt2x00dev = rt2x00dev; + led->type = type; + led->led_dev.brightness_set = rt61pci_brightness_set; + led->led_dev.blink_set = rt61pci_blink_set; + led->flags = LED_INITIALIZED; +} #endif /* CONFIG_RT61PCI_LEDS */ /* @@ -1270,25 +1281,32 @@ static int rt61pci_init_registers(struct rt2x00_dev *rt2x00dev) return 0; } -static int rt61pci_init_bbp(struct rt2x00_dev *rt2x00dev) +static int rt61pci_wait_bbp_ready(struct rt2x00_dev *rt2x00dev) { unsigned int i; - u16 eeprom; - u8 reg_id; u8 value; for (i = 0; i < REGISTER_BUSY_COUNT; i++) { rt61pci_bbp_read(rt2x00dev, 0, &value); if ((value != 0xff) && (value != 0x00)) - goto continue_csr_init; - NOTICE(rt2x00dev, "Waiting for BBP register.\n"); + return 0; udelay(REGISTER_BUSY_DELAY); } ERROR(rt2x00dev, "BBP register access failed, aborting.\n"); return -EACCES; +} + +static int rt61pci_init_bbp(struct rt2x00_dev *rt2x00dev) +{ + unsigned int i; + u16 eeprom; + u8 reg_id; + u8 value; + + if (unlikely(rt61pci_wait_bbp_ready(rt2x00dev))) + return -EACCES; -continue_csr_init: rt61pci_bbp_write(rt2x00dev, 3, 0x00); rt61pci_bbp_write(rt2x00dev, 15, 0x30); rt61pci_bbp_write(rt2x00dev, 21, 0xc8); @@ -1337,7 +1355,8 @@ static void rt61pci_toggle_rx(struct rt2x00_dev *rt2x00dev, rt2x00pci_register_read(rt2x00dev, TXRX_CSR0, ®); rt2x00_set_field32(®, TXRX_CSR0_DISABLE_RX, - state == STATE_RADIO_RX_OFF); + (state == STATE_RADIO_RX_OFF) || + (state == STATE_RADIO_RX_OFF_LINK)); rt2x00pci_register_write(rt2x00dev, TXRX_CSR0, reg); } @@ -1389,17 +1408,10 @@ static int rt61pci_enable_radio(struct rt2x00_dev *rt2x00dev) /* * Initialize all registers. */ - if (rt61pci_init_queues(rt2x00dev) || - rt61pci_init_registers(rt2x00dev) || - rt61pci_init_bbp(rt2x00dev)) { - ERROR(rt2x00dev, "Register initialization failed.\n"); + if (unlikely(rt61pci_init_queues(rt2x00dev) || + rt61pci_init_registers(rt2x00dev) || + rt61pci_init_bbp(rt2x00dev))) return -EIO; - } - - /* - * Enable interrupts. - */ - rt61pci_toggle_irq(rt2x00dev, STATE_RADIO_IRQ_ON); /* * Enable RX. @@ -1431,11 +1443,6 @@ static void rt61pci_disable_radio(struct rt2x00_dev *rt2x00dev) 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); - - /* - * Disable interrupts. - */ - rt61pci_toggle_irq(rt2x00dev, STATE_RADIO_IRQ_OFF); } static int rt61pci_set_state(struct rt2x00_dev *rt2x00dev, enum dev_state state) @@ -1443,7 +1450,6 @@ static int rt61pci_set_state(struct rt2x00_dev *rt2x00dev, enum dev_state state) u32 reg; unsigned int i; char put_to_sleep; - char current_state; put_to_sleep = (state != STATE_AWAKE); @@ -1459,16 +1465,12 @@ static int rt61pci_set_state(struct rt2x00_dev *rt2x00dev, enum dev_state state) */ for (i = 0; i < REGISTER_BUSY_COUNT; i++) { rt2x00pci_register_read(rt2x00dev, MAC_CSR12, ®); - current_state = - rt2x00_get_field32(reg, MAC_CSR12_BBP_CURRENT_STATE); - if (current_state == !put_to_sleep) + state = rt2x00_get_field32(reg, MAC_CSR12_BBP_CURRENT_STATE); + if (state == !put_to_sleep) return 0; msleep(10); } - NOTICE(rt2x00dev, "Device failed to enter state %d, " - "current device state %d.\n", !put_to_sleep, current_state); - return -EBUSY; } @@ -1486,11 +1488,13 @@ static int rt61pci_set_device_state(struct rt2x00_dev *rt2x00dev, break; case STATE_RADIO_RX_ON: case STATE_RADIO_RX_ON_LINK: - rt61pci_toggle_rx(rt2x00dev, STATE_RADIO_RX_ON); - break; case STATE_RADIO_RX_OFF: case STATE_RADIO_RX_OFF_LINK: - rt61pci_toggle_rx(rt2x00dev, STATE_RADIO_RX_OFF); + rt61pci_toggle_rx(rt2x00dev, state); + break; + case STATE_RADIO_IRQ_ON: + case STATE_RADIO_IRQ_OFF: + rt61pci_toggle_irq(rt2x00dev, state); break; case STATE_DEEP_SLEEP: case STATE_SLEEP: @@ -1503,6 +1507,10 @@ static int rt61pci_set_device_state(struct rt2x00_dev *rt2x00dev, break; } + if (unlikely(retval)) + ERROR(rt2x00dev, "Device failed to enter state %d (%d).\n", + state, retval); + return retval; } @@ -1554,7 +1562,7 @@ static void rt61pci_write_tx_desc(struct rt2x00_dev *rt2x00dev, if (skbdesc->desc_len > TXINFO_SIZE) { rt2x00_desc_read(txd, 11, &word); - rt2x00_set_field32(&word, TXD_W11_BUFFER_LENGTH0, skbdesc->data_len); + rt2x00_set_field32(&word, TXD_W11_BUFFER_LENGTH0, skb->len); rt2x00_desc_write(txd, 11, word); } @@ -1573,7 +1581,7 @@ static void rt61pci_write_tx_desc(struct rt2x00_dev *rt2x00dev, rt2x00_set_field32(&word, TXD_W0_RETRY_MODE, test_bit(ENTRY_TXD_RETRY_MODE, &txdesc->flags)); rt2x00_set_field32(&word, TXD_W0_TKIP_MIC, 0); - rt2x00_set_field32(&word, TXD_W0_DATABYTE_COUNT, skbdesc->data_len); + rt2x00_set_field32(&word, TXD_W0_DATABYTE_COUNT, skb->len); rt2x00_set_field32(&word, TXD_W0_BURST, test_bit(ENTRY_TXD_BURST, &txdesc->flags)); rt2x00_set_field32(&word, TXD_W0_CIPHER_ALG, CIPHER_NONE); @@ -2067,31 +2075,11 @@ static int rt61pci_init_eeprom(struct rt2x00_dev *rt2x00dev) rt2x00_eeprom_read(rt2x00dev, EEPROM_LED, &eeprom); value = rt2x00_get_field16(eeprom, EEPROM_LED_LED_MODE); - rt2x00dev->led_radio.rt2x00dev = rt2x00dev; - rt2x00dev->led_radio.type = LED_TYPE_RADIO; - rt2x00dev->led_radio.led_dev.brightness_set = - rt61pci_brightness_set; - rt2x00dev->led_radio.led_dev.blink_set = - rt61pci_blink_set; - rt2x00dev->led_radio.flags = LED_INITIALIZED; - - rt2x00dev->led_assoc.rt2x00dev = rt2x00dev; - rt2x00dev->led_assoc.type = LED_TYPE_ASSOC; - rt2x00dev->led_assoc.led_dev.brightness_set = - rt61pci_brightness_set; - rt2x00dev->led_assoc.led_dev.blink_set = - rt61pci_blink_set; - rt2x00dev->led_assoc.flags = LED_INITIALIZED; - - if (value == LED_MODE_SIGNAL_STRENGTH) { - rt2x00dev->led_qual.rt2x00dev = rt2x00dev; - rt2x00dev->led_qual.type = LED_TYPE_QUALITY; - rt2x00dev->led_qual.led_dev.brightness_set = - rt61pci_brightness_set; - rt2x00dev->led_qual.led_dev.blink_set = - rt61pci_blink_set; - rt2x00dev->led_qual.flags = LED_INITIALIZED; - } + rt61pci_init_led(rt2x00dev, &rt2x00dev->led_radio, LED_TYPE_RADIO); + rt61pci_init_led(rt2x00dev, &rt2x00dev->led_assoc, LED_TYPE_ASSOC); + if (value == LED_MODE_SIGNAL_STRENGTH) + rt61pci_init_led(rt2x00dev, &rt2x00dev->led_qual, + LED_TYPE_QUALITY); rt2x00_set_field16(&rt2x00dev->led_mcu_reg, MCU_LEDCS_LED_MODE, value); rt2x00_set_field16(&rt2x00dev->led_mcu_reg, MCU_LEDCS_POLARITY_GPIO_0, @@ -2387,9 +2375,6 @@ static int rt61pci_beacon_update(struct ieee80211_hw *hw, struct sk_buff *skb) */ skbdesc = get_skb_frame_desc(skb); memset(skbdesc, 0, sizeof(*skbdesc)); - skbdesc->flags |= FRAME_DESC_DRIVER_GENERATED; - skbdesc->data = skb->data; - skbdesc->data_len = skb->len; skbdesc->desc = entry_priv->desc; skbdesc->desc_len = intf->beacon->queue->desc_size; skbdesc->entry = intf->beacon; @@ -2414,7 +2399,7 @@ static int rt61pci_beacon_update(struct ieee80211_hw *hw, struct sk_buff *skb) skbdesc->desc, skbdesc->desc_len); rt2x00pci_register_multiwrite(rt2x00dev, beacon_base + skbdesc->desc_len, - skbdesc->data, skbdesc->data_len); + skb->data, skb->len); rt61pci_kick_tx_queue(rt2x00dev, QID_BEACON); return 0; diff --git a/drivers/net/wireless/rt2x00/rt61pci.h b/drivers/net/wireless/rt2x00/rt61pci.h index c5a04b9..1004d5b 100644 --- a/drivers/net/wireless/rt2x00/rt61pci.h +++ b/drivers/net/wireless/rt2x00/rt61pci.h @@ -39,8 +39,6 @@ * Signal information. * Defaul offset is required for RSSI <-> dBm conversion. */ -#define MAX_SIGNAL 100 -#define MAX_RX_SSI -1 #define DEFAULT_RSSI_OFFSET 120 /* diff --git a/drivers/net/wireless/rt2x00/rt73usb.c b/drivers/net/wireless/rt2x00/rt73usb.c index 26c2e0a..505a9f5 100644 --- a/drivers/net/wireless/rt2x00/rt73usb.c +++ b/drivers/net/wireless/rt2x00/rt73usb.c @@ -335,6 +335,17 @@ static int rt73usb_blink_set(struct led_classdev *led_cdev, return 0; } + +static void rt73usb_init_led(struct rt2x00_dev *rt2x00dev, + struct rt2x00_led *led, + enum led_type type) +{ + led->rt2x00dev = rt2x00dev; + led->type = type; + led->led_dev.brightness_set = rt73usb_brightness_set; + led->led_dev.blink_set = rt73usb_blink_set; + led->flags = LED_INITIALIZED; +} #endif /* CONFIG_RT73USB_LEDS */ /* @@ -1084,25 +1095,32 @@ static int rt73usb_init_registers(struct rt2x00_dev *rt2x00dev) return 0; } -static int rt73usb_init_bbp(struct rt2x00_dev *rt2x00dev) +static int rt73usb_wait_bbp_ready(struct rt2x00_dev *rt2x00dev) { unsigned int i; - u16 eeprom; - u8 reg_id; u8 value; for (i = 0; i < REGISTER_BUSY_COUNT; i++) { rt73usb_bbp_read(rt2x00dev, 0, &value); if ((value != 0xff) && (value != 0x00)) - goto continue_csr_init; - NOTICE(rt2x00dev, "Waiting for BBP register.\n"); + return 0; udelay(REGISTER_BUSY_DELAY); } ERROR(rt2x00dev, "BBP register access failed, aborting.\n"); return -EACCES; +} + +static int rt73usb_init_bbp(struct rt2x00_dev *rt2x00dev) +{ + unsigned int i; + u16 eeprom; + u8 reg_id; + u8 value; + + if (unlikely(rt73usb_wait_bbp_ready(rt2x00dev))) + return -EACCES; -continue_csr_init: rt73usb_bbp_write(rt2x00dev, 3, 0x80); rt73usb_bbp_write(rt2x00dev, 15, 0x30); rt73usb_bbp_write(rt2x00dev, 21, 0xc8); @@ -1152,7 +1170,8 @@ static void rt73usb_toggle_rx(struct rt2x00_dev *rt2x00dev, rt73usb_register_read(rt2x00dev, TXRX_CSR0, ®); rt2x00_set_field32(®, TXRX_CSR0_DISABLE_RX, - state == STATE_RADIO_RX_OFF); + (state == STATE_RADIO_RX_OFF) || + (state == STATE_RADIO_RX_OFF_LINK)); rt73usb_register_write(rt2x00dev, TXRX_CSR0, reg); } @@ -1161,11 +1180,9 @@ static int rt73usb_enable_radio(struct rt2x00_dev *rt2x00dev) /* * Initialize all registers. */ - if (rt73usb_init_registers(rt2x00dev) || - rt73usb_init_bbp(rt2x00dev)) { - ERROR(rt2x00dev, "Register initialization failed.\n"); + if (unlikely(rt73usb_init_registers(rt2x00dev) || + rt73usb_init_bbp(rt2x00dev))) return -EIO; - } return 0; } @@ -1187,7 +1204,6 @@ static int rt73usb_set_state(struct rt2x00_dev *rt2x00dev, enum dev_state state) u32 reg; unsigned int i; char put_to_sleep; - char current_state; put_to_sleep = (state != STATE_AWAKE); @@ -1203,16 +1219,12 @@ static int rt73usb_set_state(struct rt2x00_dev *rt2x00dev, enum dev_state state) */ for (i = 0; i < REGISTER_BUSY_COUNT; i++) { rt73usb_register_read(rt2x00dev, MAC_CSR12, ®); - current_state = - rt2x00_get_field32(reg, MAC_CSR12_BBP_CURRENT_STATE); - if (current_state == !put_to_sleep) + state = rt2x00_get_field32(reg, MAC_CSR12_BBP_CURRENT_STATE); + if (state == !put_to_sleep) return 0; msleep(10); } - NOTICE(rt2x00dev, "Device failed to enter state %d, " - "current device state %d.\n", !put_to_sleep, current_state); - return -EBUSY; } @@ -1230,11 +1242,13 @@ static int rt73usb_set_device_state(struct rt2x00_dev *rt2x00dev, break; case STATE_RADIO_RX_ON: case STATE_RADIO_RX_ON_LINK: - rt73usb_toggle_rx(rt2x00dev, STATE_RADIO_RX_ON); - break; case STATE_RADIO_RX_OFF: case STATE_RADIO_RX_OFF_LINK: - rt73usb_toggle_rx(rt2x00dev, STATE_RADIO_RX_OFF); + rt73usb_toggle_rx(rt2x00dev, state); + break; + case STATE_RADIO_IRQ_ON: + case STATE_RADIO_IRQ_OFF: + /* No support, but no error either */ break; case STATE_DEEP_SLEEP: case STATE_SLEEP: @@ -1247,6 +1261,10 @@ static int rt73usb_set_device_state(struct rt2x00_dev *rt2x00dev, break; } + if (unlikely(retval)) + ERROR(rt2x00dev, "Device failed to enter state %d (%d).\n", + state, retval); + return retval; } @@ -1302,7 +1320,8 @@ static void rt73usb_write_tx_desc(struct rt2x00_dev *rt2x00dev, rt2x00_set_field32(&word, TXD_W0_RETRY_MODE, test_bit(ENTRY_TXD_RETRY_MODE, &txdesc->flags)); rt2x00_set_field32(&word, TXD_W0_TKIP_MIC, 0); - rt2x00_set_field32(&word, TXD_W0_DATABYTE_COUNT, skbdesc->data_len); + rt2x00_set_field32(&word, TXD_W0_DATABYTE_COUNT, + skb->len - skbdesc->desc_len); rt2x00_set_field32(&word, TXD_W0_BURST2, test_bit(ENTRY_TXD_BURST, &txdesc->flags)); rt2x00_set_field32(&word, TXD_W0_CIPHER_ALG, CIPHER_NONE); @@ -1332,8 +1351,10 @@ static void rt73usb_kick_tx_queue(struct rt2x00_dev *rt2x00dev, { u32 reg; - if (queue != QID_BEACON) + if (queue != QID_BEACON) { + rt2x00usb_kick_tx_queue(rt2x00dev, queue); return; + } /* * For Wi-Fi faily generated beacons between participating stations. @@ -1407,14 +1428,10 @@ static void rt73usb_fill_rxdone(struct queue_entry *entry, u32 word1; /* - * Copy descriptor to the skb->cb array, this has 2 benefits: - * 1) Each descriptor word is 4 byte aligned. - * 2) Descriptor is safe from moving of frame data in rt2x00usb. + * Copy descriptor to the skbdesc->desc buffer, making it safe from moving of + * frame data in rt2x00usb. */ - skbdesc->desc_len = - min_t(u16, entry->queue->desc_size, sizeof(entry->skb->cb)); - memcpy(entry->skb->cb, rxd, skbdesc->desc_len); - skbdesc->desc = entry->skb->cb; + memcpy(skbdesc->desc, rxd, skbdesc->desc_len); rxd = (__le32 *)skbdesc->desc; /* @@ -1446,8 +1463,6 @@ static void rt73usb_fill_rxdone(struct queue_entry *entry, */ skb_pull(entry->skb, entry->queue->desc_size); skb_trim(entry->skb, rxdesc->size); - skbdesc->data = entry->skb->data; - skbdesc->data_len = rxdesc->size; } /* @@ -1620,31 +1635,11 @@ static int rt73usb_init_eeprom(struct rt2x00_dev *rt2x00dev) #ifdef CONFIG_RT73USB_LEDS rt2x00_eeprom_read(rt2x00dev, EEPROM_LED, &eeprom); - rt2x00dev->led_radio.rt2x00dev = rt2x00dev; - rt2x00dev->led_radio.type = LED_TYPE_RADIO; - rt2x00dev->led_radio.led_dev.brightness_set = - rt73usb_brightness_set; - rt2x00dev->led_radio.led_dev.blink_set = - rt73usb_blink_set; - rt2x00dev->led_radio.flags = LED_INITIALIZED; - - rt2x00dev->led_assoc.rt2x00dev = rt2x00dev; - rt2x00dev->led_assoc.type = LED_TYPE_ASSOC; - rt2x00dev->led_assoc.led_dev.brightness_set = - rt73usb_brightness_set; - rt2x00dev->led_assoc.led_dev.blink_set = - rt73usb_blink_set; - rt2x00dev->led_assoc.flags = LED_INITIALIZED; - - if (value == LED_MODE_SIGNAL_STRENGTH) { - rt2x00dev->led_qual.rt2x00dev = rt2x00dev; - rt2x00dev->led_qual.type = LED_TYPE_QUALITY; - rt2x00dev->led_qual.led_dev.brightness_set = - rt73usb_brightness_set; - rt2x00dev->led_qual.led_dev.blink_set = - rt73usb_blink_set; - rt2x00dev->led_qual.flags = LED_INITIALIZED; - } + rt73usb_init_led(rt2x00dev, &rt2x00dev->led_radio, LED_TYPE_RADIO); + rt73usb_init_led(rt2x00dev, &rt2x00dev->led_assoc, LED_TYPE_ASSOC); + if (value == LED_MODE_SIGNAL_STRENGTH) + rt73usb_init_led(rt2x00dev, &rt2x00dev->led_qual, + LED_TYPE_QUALITY); rt2x00_set_field16(&rt2x00dev->led_mcu_reg, MCU_LEDCS_LED_MODE, value); rt2x00_set_field16(&rt2x00dev->led_mcu_reg, MCU_LEDCS_POLARITY_GPIO_0, @@ -1980,9 +1975,6 @@ static int rt73usb_beacon_update(struct ieee80211_hw *hw, struct sk_buff *skb) */ 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->desc_len = intf->beacon->queue->desc_size; skbdesc->entry = intf->beacon; diff --git a/drivers/net/wireless/rt2x00/rt73usb.h b/drivers/net/wireless/rt2x00/rt73usb.h index 25cdcc9..1484935 100644 --- a/drivers/net/wireless/rt2x00/rt73usb.h +++ b/drivers/net/wireless/rt2x00/rt73usb.h @@ -39,8 +39,6 @@ * Signal information. * Defaul offset is required for RSSI <-> dBm conversion. */ -#define MAX_SIGNAL 100 -#define MAX_RX_SSI -1 #define DEFAULT_RSSI_OFFSET 120 /* |