diff options
Diffstat (limited to 'drivers/net/wireless/rt2x00/rt2400pci.c')
| -rw-r--r-- | drivers/net/wireless/rt2x00/rt2400pci.c | 89 |
1 files changed, 35 insertions, 54 deletions
diff --git a/drivers/net/wireless/rt2x00/rt2400pci.c b/drivers/net/wireless/rt2x00/rt2400pci.c index 89b874ca6107..027580bfa7c3 100644 --- a/drivers/net/wireless/rt2x00/rt2400pci.c +++ b/drivers/net/wireless/rt2x00/rt2400pci.c @@ -1058,6 +1058,40 @@ static void rt2400pci_write_tx_desc(struct rt2x00_dev *rt2x00dev, /* * TX data initialization */ +static void rt2400pci_write_beacon(struct queue_entry *entry) +{ + struct rt2x00_dev *rt2x00dev = entry->queue->rt2x00dev; + struct queue_entry_priv_pci *entry_priv = entry->priv_data; + struct skb_frame_desc *skbdesc = get_skb_frame_desc(entry->skb); + u32 word; + u32 reg; + + /* + * Disable beaconing while we are reloading the beacon data, + * otherwise we might be sending out invalid data. + */ + rt2x00pci_register_read(rt2x00dev, CSR14, ®); + rt2x00_set_field32(®, CSR14_TSF_COUNT, 0); + rt2x00_set_field32(®, CSR14_TBCN, 0); + rt2x00_set_field32(®, CSR14_BEACON_GEN, 0); + rt2x00pci_register_write(rt2x00dev, CSR14, reg); + + /* + * Replace rt2x00lib allocated descriptor with the + * pointer to the _real_ hardware descriptor. + * After that, map the beacon to DMA and update the + * descriptor. + */ + memcpy(entry_priv->desc, skbdesc->desc, skbdesc->desc_len); + skbdesc->desc = entry_priv->desc; + + rt2x00queue_map_txskb(rt2x00dev, entry->skb); + + rt2x00_desc_read(entry_priv->desc, 1, &word); + rt2x00_set_field32(&word, TXD_W1_BUFFER_ADDRESS, skbdesc->skb_dma); + rt2x00_desc_write(entry_priv->desc, 1, word); +} + static void rt2400pci_kick_tx_queue(struct rt2x00_dev *rt2x00dev, const enum data_queue_qid queue) { @@ -1504,59 +1538,6 @@ static u64 rt2400pci_get_tsf(struct ieee80211_hw *hw) return tsf; } -static int rt2400pci_beacon_update(struct ieee80211_hw *hw, struct sk_buff *skb) -{ - struct rt2x00_dev *rt2x00dev = hw->priv; - struct ieee80211_tx_info *tx_info = IEEE80211_SKB_CB(skb); - struct rt2x00_intf *intf = vif_to_intf(tx_info->control.vif); - struct queue_entry_priv_pci *entry_priv; - struct skb_frame_desc *skbdesc; - struct txentry_desc txdesc; - u32 reg; - - if (unlikely(!intf->beacon)) - return -ENOBUFS; - entry_priv = intf->beacon->priv_data; - - /* - * Copy all TX descriptor information into txdesc, - * after that we are free to use the skb->cb array - * for our information. - */ - intf->beacon->skb = skb; - rt2x00queue_create_tx_descriptor(intf->beacon, &txdesc); - - /* - * Fill in skb descriptor - */ - skbdesc = get_skb_frame_desc(skb); - memset(skbdesc, 0, sizeof(*skbdesc)); - skbdesc->desc = entry_priv->desc; - skbdesc->desc_len = intf->beacon->queue->desc_size; - skbdesc->entry = intf->beacon; - - /* - * Disable beaconing while we are reloading the beacon data, - * otherwise we might be sending out invalid data. - */ - rt2x00pci_register_read(rt2x00dev, CSR14, ®); - rt2x00_set_field32(®, CSR14_TSF_COUNT, 0); - rt2x00_set_field32(®, CSR14_TBCN, 0); - rt2x00_set_field32(®, CSR14_BEACON_GEN, 0); - rt2x00pci_register_write(rt2x00dev, CSR14, reg); - - /* - * Enable beacon generation. - * Write entire beacon with descriptor to register, - * and kick the beacon generator. - */ - rt2x00queue_map_txskb(rt2x00dev, intf->beacon->skb); - rt2x00queue_write_tx_descriptor(intf->beacon, &txdesc); - rt2x00dev->ops->lib->kick_tx_queue(rt2x00dev, QID_BEACON); - - return 0; -} - static int rt2400pci_tx_last_beacon(struct ieee80211_hw *hw) { struct rt2x00_dev *rt2x00dev = hw->priv; @@ -1598,9 +1579,9 @@ static const struct rt2x00lib_ops rt2400pci_rt2x00_ops = { .link_tuner = rt2400pci_link_tuner, .write_tx_desc = rt2400pci_write_tx_desc, .write_tx_data = rt2x00pci_write_tx_data, + .write_beacon = rt2400pci_write_beacon, .kick_tx_queue = rt2400pci_kick_tx_queue, .fill_rxdone = rt2400pci_fill_rxdone, - .beacon_update = rt2400pci_beacon_update, .config_filter = rt2400pci_config_filter, .config_intf = rt2400pci_config_intf, .config_erp = rt2400pci_config_erp, |