diff options
Diffstat (limited to 'drivers/net/wireless/rt2x00/rt2x00pci.c')
| -rw-r--r-- | drivers/net/wireless/rt2x00/rt2x00pci.c | 51 |
1 files changed, 50 insertions, 1 deletions
diff --git a/drivers/net/wireless/rt2x00/rt2x00pci.c b/drivers/net/wireless/rt2x00/rt2x00pci.c index f71eee67f977..10eaffd12b1b 100644 --- a/drivers/net/wireless/rt2x00/rt2x00pci.c +++ b/drivers/net/wireless/rt2x00/rt2x00pci.c @@ -81,6 +81,24 @@ int rt2x00pci_write_tx_data(struct queue_entry *entry, return -EINVAL; } + /* + * Add the requested extra tx headroom in front of the skb. + */ + skb_push(entry->skb, rt2x00dev->ops->extra_tx_headroom); + memset(entry->skb->data, 0, rt2x00dev->ops->extra_tx_headroom); + + /* + * Call the driver's write_tx_datadesc function, if it exists. + */ + if (rt2x00dev->ops->lib->write_tx_datadesc) + rt2x00dev->ops->lib->write_tx_datadesc(entry, txdesc); + + /* + * Map the skb to DMA. + */ + if (test_bit(DRIVER_REQUIRE_DMA, &rt2x00dev->flags)) + rt2x00queue_map_txskb(rt2x00dev, entry->skb); + return 0; } EXPORT_SYMBOL_GPL(rt2x00pci_write_tx_data); @@ -88,6 +106,34 @@ EXPORT_SYMBOL_GPL(rt2x00pci_write_tx_data); /* * TX/RX data handlers. */ +void rt2x00pci_txdone(struct queue_entry *entry, + struct txdone_entry_desc *txdesc) +{ + struct rt2x00_dev *rt2x00dev = entry->queue->rt2x00dev; + struct skb_frame_desc *skbdesc = get_skb_frame_desc(entry->skb); + + /* + * Unmap the skb. + */ + rt2x00queue_unmap_skb(rt2x00dev, entry->skb); + + /* + * Remove the extra tx headroom from the skb. + */ + skb_pull(entry->skb, rt2x00dev->ops->extra_tx_headroom); + + /* + * Signal that the TX descriptor is no longer in the skb. + */ + skbdesc->flags &= ~SKBDESC_DESC_IN_SKB; + + /* + * Pass on to rt2x00lib. + */ + rt2x00lib_txdone(entry, txdesc); +} +EXPORT_SYMBOL_GPL(rt2x00pci_txdone); + void rt2x00pci_rxdone(struct rt2x00_dev *rt2x00dev) { struct data_queue *queue = rt2x00dev->rx; @@ -305,7 +351,10 @@ int rt2x00pci_probe(struct pci_dev *pci_dev, const struct pci_device_id *id) rt2x00dev->irq = pci_dev->irq; rt2x00dev->name = pci_name(pci_dev); - rt2x00_set_chip_intf(rt2x00dev, RT2X00_CHIP_INTF_PCI); + if (pci_dev->is_pcie) + rt2x00_set_chip_intf(rt2x00dev, RT2X00_CHIP_INTF_PCIE); + else + rt2x00_set_chip_intf(rt2x00dev, RT2X00_CHIP_INTF_PCI); retval = rt2x00pci_alloc_reg(rt2x00dev); if (retval) |