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author | Florian Fainelli <florian@openwrt.org> | 2007-08-07 09:12:49 +0000 |
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committer | Florian Fainelli <florian@openwrt.org> | 2007-08-07 09:12:49 +0000 |
commit | 5845db0c4474294335896501e7bef61c9cb56a4c (patch) | |
tree | 704340b18ee1594a3af47d6d525c3473edc42572 /package/rt2x00/src/rt2x00usb.c | |
parent | e8e165989de334c8b2bd735f31b1b9f7009abcc6 (diff) | |
download | master-187ad058-5845db0c4474294335896501e7bef61c9cb56a4c.tar.gz master-187ad058-5845db0c4474294335896501e7bef61c9cb56a4c.tar.bz2 master-187ad058-5845db0c4474294335896501e7bef61c9cb56a4c.zip |
Upgrade rt2x00 to a more recent snapshot, master mode now working, thanks to Daniel Gimpelevich
git-svn-id: svn://svn.openwrt.org/openwrt/trunk@8367 3c298f89-4303-0410-b956-a3cf2f4a3e73
Diffstat (limited to 'package/rt2x00/src/rt2x00usb.c')
-rw-r--r-- | package/rt2x00/src/rt2x00usb.c | 155 |
1 files changed, 117 insertions, 38 deletions
diff --git a/package/rt2x00/src/rt2x00usb.c b/package/rt2x00/src/rt2x00usb.c index 6b193d023c..4175aeffe9 100644 --- a/package/rt2x00/src/rt2x00usb.c +++ b/package/rt2x00/src/rt2x00usb.c @@ -36,6 +36,7 @@ #include <linux/usb.h> #include "rt2x00.h" +#include "rt2x00lib.h" #include "rt2x00usb.h" /* @@ -62,49 +63,14 @@ int rt2x00usb_vendor_request(const struct rt2x00_dev *rt2x00dev, return 0; } - ERROR(rt2x00dev, "vendor request error. Request 0x%02x failed " - "for offset 0x%04x with error %d.\n", request, offset, status); + ERROR(rt2x00dev, "Vendor Request 0x%02x failed for offset 0x%04x" + " with error %d.\n", request, offset, status); return status; } EXPORT_SYMBOL_GPL(rt2x00usb_vendor_request); /* - * Radio handlers - */ -void rt2x00usb_enable_radio(struct rt2x00_dev *rt2x00dev) -{ - unsigned int i; - - /* - * Start the RX ring. - */ - for (i = 0; i < rt2x00dev->rx->stats.limit; i++) { - __set_bit(ENTRY_OWNER_NIC, &rt2x00dev->rx->entry[i].flags); - usb_submit_urb(rt2x00dev->rx->entry[i].priv, GFP_ATOMIC); - } -} -EXPORT_SYMBOL_GPL(rt2x00usb_enable_radio); - -void rt2x00usb_disable_radio(struct rt2x00_dev *rt2x00dev) -{ - struct data_ring *ring; - unsigned int i; - - rt2x00usb_vendor_request(rt2x00dev, USB_RX_CONTROL, - USB_VENDOR_REQUEST_OUT, 0x00, 0x00, NULL, 0, REGISTER_TIMEOUT); - - /* - * Cancel all rings. - */ - ring_for_each(rt2x00dev, ring) { - for (i = 0; i < ring->stats.limit; i++) - usb_kill_urb(ring->entry[i].priv); - } -} -EXPORT_SYMBOL_GPL(rt2x00usb_disable_radio); - -/* * Beacon handlers. */ int rt2x00usb_beacon_update(struct ieee80211_hw *hw, struct sk_buff *skb, @@ -329,6 +295,120 @@ int rt2x00usb_write_tx_data(struct rt2x00_dev *rt2x00dev, EXPORT_SYMBOL_GPL(rt2x00usb_write_tx_data); /* + * RX data handlers. + */ +static void rt2x00usb_interrupt_rxdone(struct urb *urb) +{ + struct data_entry *entry = (struct data_entry*)urb->context; + struct data_ring *ring = entry->ring; + struct rt2x00_dev *rt2x00dev = ring->rt2x00dev; + int signal; + int rssi; + int ofdm; + int size; + + if (!test_bit(DEVICE_ENABLED_RADIO, &rt2x00dev->flags) || + !test_and_clear_bit(ENTRY_OWNER_NIC, &entry->flags)) + return; + + /* + * Check if the received data is simply too small + * to be actually valid, or if the urb is signaling + * a problem. + */ + if (urb->actual_length < entry->ring->desc_size || urb->status) + goto skip_entry; + + size = rt2x00dev->ops->lib->fill_rxdone(entry, &signal, &rssi, &ofdm); + if (size < 0) + goto skip_entry; + + /* + * Trim the skb_buffer to only contain the valid + * frame data (so ignore the device's descriptor). + */ + skb_trim(entry->skb, size); + + /* + * Send the packet to upper layer, and update urb. + */ + rt2x00lib_rxdone(entry, NULL, ring->data_size + ring->desc_size, + signal, rssi, ofdm); + urb->transfer_buffer = entry->skb->data; + urb->transfer_buffer_length = entry->skb->len; + +skip_entry: + if (test_bit(DEVICE_ENABLED_RADIO, &ring->rt2x00dev->flags)) { + __set_bit(ENTRY_OWNER_NIC, &entry->flags); + usb_submit_urb(urb, GFP_ATOMIC); + } + + rt2x00_ring_index_inc(ring); +} + +/* + * Radio handlers + */ +void rt2x00usb_enable_radio(struct rt2x00_dev *rt2x00dev) +{ + struct usb_device *usb_dev = + interface_to_usbdev(rt2x00dev_usb(rt2x00dev)); + struct data_ring *ring; + struct data_entry *entry; + unsigned int i; + + /* + * Initialize the TX rings + */ + txringall_for_each(rt2x00dev, ring) { + for (i = 0; i < ring->stats.limit; i++) + ring->entry[i].flags = 0; + + rt2x00_ring_index_clear(ring); + } + + /* + * Initialize and start the RX ring. + */ + rt2x00_ring_index_clear(rt2x00dev->rx); + + for (i = 0; i < rt2x00dev->rx->stats.limit; i++) { + entry = &rt2x00dev->rx->entry[i]; + + usb_fill_bulk_urb( + entry->priv, + usb_dev, + usb_rcvbulkpipe(usb_dev, 1), + entry->skb->data, + entry->skb->len, + rt2x00usb_interrupt_rxdone, + entry); + + __set_bit(ENTRY_OWNER_NIC, &entry->flags); + usb_submit_urb(entry->priv, GFP_ATOMIC); + } +} +EXPORT_SYMBOL_GPL(rt2x00usb_enable_radio); + +void rt2x00usb_disable_radio(struct rt2x00_dev *rt2x00dev) +{ + struct data_ring *ring; + unsigned int i; + + rt2x00usb_vendor_request(rt2x00dev, USB_RX_CONTROL, + USB_VENDOR_REQUEST_OUT, 0x00, 0x00, NULL, 0, REGISTER_TIMEOUT); + + /* + * Cancel all rings. + */ + ring_for_each(rt2x00dev, ring) { + for (i = 0; i < ring->stats.limit; i++) + usb_kill_urb(ring->entry[i].priv); + } +} +EXPORT_SYMBOL_GPL(rt2x00usb_disable_radio); + +/* * Device initialization handlers. */ static int rt2x00usb_alloc_ring(struct rt2x00_dev *rt2x00dev, @@ -433,7 +513,6 @@ int rt2x00usb_probe(struct usb_interface *usb_intf, rt2x00dev = hw->priv; rt2x00dev->dev = usb_intf; - rt2x00dev->device = &usb_intf->dev; rt2x00dev->ops = ops; rt2x00dev->hw = hw; |