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path: root/drivers/net/wireless/rt2x00/rt2800usb.c
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Diffstat (limited to 'drivers/net/wireless/rt2x00/rt2800usb.c')
-rw-r--r--drivers/net/wireless/rt2x00/rt2800usb.c66
1 files changed, 22 insertions, 44 deletions
diff --git a/drivers/net/wireless/rt2x00/rt2800usb.c b/drivers/net/wireless/rt2x00/rt2800usb.c
index 6cf336595e2..c9e9370eb78 100644
--- a/drivers/net/wireless/rt2x00/rt2800usb.c
+++ b/drivers/net/wireless/rt2x00/rt2800usb.c
@@ -49,6 +49,11 @@ static bool modparam_nohwcrypt;
module_param_named(nohwcrypt, modparam_nohwcrypt, bool, S_IRUGO);
MODULE_PARM_DESC(nohwcrypt, "Disable hardware encryption.");
+static bool rt2800usb_hwcrypt_disabled(struct rt2x00_dev *rt2x00dev)
+{
+ return modparam_nohwcrypt;
+}
+
/*
* Queue handlers.
*/
@@ -667,8 +672,16 @@ static void rt2800usb_fill_rxdone(struct queue_entry *entry,
skb_pull(entry->skb, RXINFO_DESC_SIZE);
/*
- * FIXME: we need to check for rx_pkt_len validity
+ * Check for rx_pkt_len validity. Return if invalid, leaving
+ * rxdesc->size zeroed out by the upper level.
*/
+ if (unlikely(rx_pkt_len == 0 ||
+ rx_pkt_len > entry->queue->data_size)) {
+ ERROR(entry->queue->rt2x00dev,
+ "Bad frame size %d, forcing to 0\n", rx_pkt_len);
+ return;
+ }
+
rxd = (__le32 *)(entry->skb->data + rx_pkt_len);
/*
@@ -722,64 +735,27 @@ static void rt2800usb_fill_rxdone(struct queue_entry *entry,
/*
* Device probe functions.
*/
-static int rt2800usb_validate_eeprom(struct rt2x00_dev *rt2x00dev)
+static void rt2800usb_read_eeprom(struct rt2x00_dev *rt2x00dev)
{
if (rt2800_efuse_detect(rt2x00dev))
rt2800_read_eeprom_efuse(rt2x00dev);
else
rt2x00usb_eeprom_read(rt2x00dev, rt2x00dev->eeprom,
EEPROM_SIZE);
-
- return rt2800_validate_eeprom(rt2x00dev);
}
static int rt2800usb_probe_hw(struct rt2x00_dev *rt2x00dev)
{
int retval;
- /*
- * Allocate eeprom data.
- */
- retval = rt2800usb_validate_eeprom(rt2x00dev);
- if (retval)
- return retval;
-
- retval = rt2800_init_eeprom(rt2x00dev);
+ retval = rt2800_probe_hw(rt2x00dev);
if (retval)
return retval;
/*
- * Initialize hw specifications.
+ * Set txstatus timer function.
*/
- retval = rt2800_probe_hw_mode(rt2x00dev);
- if (retval)
- return retval;
-
- /*
- * This device has multiple filters for control frames
- * and has a separate filter for PS Poll frames.
- */
- __set_bit(CAPABILITY_CONTROL_FILTERS, &rt2x00dev->cap_flags);
- __set_bit(CAPABILITY_CONTROL_FILTER_PSPOLL, &rt2x00dev->cap_flags);
-
- /*
- * This device requires firmware.
- */
- __set_bit(REQUIRE_FIRMWARE, &rt2x00dev->cap_flags);
- __set_bit(REQUIRE_L2PAD, &rt2x00dev->cap_flags);
- if (!modparam_nohwcrypt)
- __set_bit(CAPABILITY_HW_CRYPTO, &rt2x00dev->cap_flags);
- __set_bit(CAPABILITY_LINK_TUNING, &rt2x00dev->cap_flags);
- __set_bit(REQUIRE_HT_TX_DESC, &rt2x00dev->cap_flags);
- __set_bit(REQUIRE_TXSTATUS_FIFO, &rt2x00dev->cap_flags);
- __set_bit(REQUIRE_PS_AUTOWAKE, &rt2x00dev->cap_flags);
-
- rt2x00dev->txstatus_timer.function = rt2800usb_tx_sta_fifo_timeout,
-
- /*
- * Set the rssi offset.
- */
- rt2x00dev->rssi_offset = DEFAULT_RSSI_OFFSET;
+ rt2x00dev->txstatus_timer.function = rt2800usb_tx_sta_fifo_timeout;
/*
* Overwrite TX done handler
@@ -825,6 +801,8 @@ static const struct rt2800_ops rt2800usb_rt2800_ops = {
.register_multiread = rt2x00usb_register_multiread,
.register_multiwrite = rt2x00usb_register_multiwrite,
.regbusy_read = rt2x00usb_regbusy_read,
+ .read_eeprom = rt2800usb_read_eeprom,
+ .hwcrypt_disabled = rt2800usb_hwcrypt_disabled,
.drv_write_firmware = rt2800usb_write_firmware,
.drv_init_registers = rt2800usb_init_registers,
.drv_get_txwi = rt2800usb_get_txwi,
@@ -892,7 +870,6 @@ static const struct data_queue_desc rt2800usb_queue_bcn = {
static const struct rt2x00_ops rt2800usb_ops = {
.name = KBUILD_MODNAME,
.drv_data_size = sizeof(struct rt2800_drv_data),
- .max_sta_intf = 1,
.max_ap_intf = 8,
.eeprom_size = EEPROM_SIZE,
.rf_size = RF_SIZE,
@@ -1157,6 +1134,8 @@ static struct usb_device_id rt2800usb_device_table[] = {
{ USB_DEVICE(0x1690, 0x0744) },
{ USB_DEVICE(0x1690, 0x0761) },
{ USB_DEVICE(0x1690, 0x0764) },
+ /* ASUS */
+ { USB_DEVICE(0x0b05, 0x179d) },
/* Cisco */
{ USB_DEVICE(0x167b, 0x4001) },
/* EnGenius */
@@ -1222,7 +1201,6 @@ static struct usb_device_id rt2800usb_device_table[] = {
{ USB_DEVICE(0x0b05, 0x1760) },
{ USB_DEVICE(0x0b05, 0x1761) },
{ USB_DEVICE(0x0b05, 0x1790) },
- { USB_DEVICE(0x0b05, 0x179d) },
/* AzureWave */
{ USB_DEVICE(0x13d3, 0x3262) },
{ USB_DEVICE(0x13d3, 0x3284) },