diff options
Diffstat (limited to 'drivers/net/wireless/rt2x00/rt73usb.c')
| -rw-r--r-- | drivers/net/wireless/rt2x00/rt73usb.c | 115 |
1 files changed, 44 insertions, 71 deletions
diff --git a/drivers/net/wireless/rt2x00/rt73usb.c b/drivers/net/wireless/rt2x00/rt73usb.c index 25d8b660051..34c6ff27afc 100644 --- a/drivers/net/wireless/rt2x00/rt73usb.c +++ b/drivers/net/wireless/rt2x00/rt73usb.c @@ -1343,6 +1343,49 @@ static void rt73usb_write_tx_desc(struct rt2x00_dev *rt2x00dev, rt2x00_desc_write(txd, 0, word); } +/* + * TX data initialization + */ +static void rt73usb_write_beacon(struct queue_entry *entry) +{ + struct rt2x00_dev *rt2x00dev = entry->queue->rt2x00dev; + struct skb_frame_desc *skbdesc = get_skb_frame_desc(entry->skb); + unsigned int beacon_base; + u32 reg; + + /* + * Add the descriptor in front of the skb. + */ + skb_push(entry->skb, entry->queue->desc_size); + memcpy(entry->skb->data, skbdesc->desc, skbdesc->desc_len); + skbdesc->desc = entry->skb->data; + + /* + * Disable beaconing while we are reloading the beacon data, + * otherwise we might be sending out invalid data. + */ + rt73usb_register_read(rt2x00dev, TXRX_CSR9, ®); + rt2x00_set_field32(®, TXRX_CSR9_TSF_TICKING, 0); + rt2x00_set_field32(®, TXRX_CSR9_TBTT_ENABLE, 0); + rt2x00_set_field32(®, TXRX_CSR9_BEACON_GEN, 0); + rt73usb_register_write(rt2x00dev, TXRX_CSR9, reg); + + /* + * Write entire beacon with descriptor to register. + */ + beacon_base = HW_BEACON_OFFSET(entry->entry_idx); + rt2x00usb_vendor_request(rt2x00dev, USB_MULTI_WRITE, + USB_VENDOR_REQUEST_OUT, beacon_base, 0, + entry->skb->data, entry->skb->len, + REGISTER_TIMEOUT32(entry->skb->len)); + + /* + * Clean up the beacon skb. + */ + dev_kfree_skb(entry->skb); + entry->skb = NULL; +} + static int rt73usb_get_tx_data_len(struct rt2x00_dev *rt2x00dev, struct sk_buff *skb) { @@ -1358,9 +1401,6 @@ static int rt73usb_get_tx_data_len(struct rt2x00_dev *rt2x00dev, return length; } -/* - * TX data initialization - */ static void rt73usb_kick_tx_queue(struct rt2x00_dev *rt2x00dev, const enum data_queue_qid queue) { @@ -1958,73 +1998,6 @@ static u64 rt73usb_get_tsf(struct ieee80211_hw *hw) #define rt73usb_get_tsf NULL #endif -static int rt73usb_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 skb_frame_desc *skbdesc; - struct txentry_desc txdesc; - unsigned int beacon_base; - u32 reg; - - if (unlikely(!intf->beacon)) - return -ENOBUFS; - - /* - * 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); - - /* - * Add the descriptor in front of the skb. - */ - skb_push(skb, intf->beacon->queue->desc_size); - memset(skb->data, 0, intf->beacon->queue->desc_size); - - /* - * Fill in skb descriptor - */ - skbdesc = get_skb_frame_desc(skb); - memset(skbdesc, 0, sizeof(*skbdesc)); - skbdesc->desc = skb->data; - 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. - */ - rt73usb_register_read(rt2x00dev, TXRX_CSR9, ®); - rt2x00_set_field32(®, TXRX_CSR9_TSF_TICKING, 0); - rt2x00_set_field32(®, TXRX_CSR9_TBTT_ENABLE, 0); - rt2x00_set_field32(®, TXRX_CSR9_BEACON_GEN, 0); - rt73usb_register_write(rt2x00dev, TXRX_CSR9, reg); - - /* - * Write entire beacon with descriptor to register, - * and kick the beacon generator. - */ - rt2x00queue_write_tx_descriptor(intf->beacon, &txdesc); - beacon_base = HW_BEACON_OFFSET(intf->beacon->entry_idx); - rt2x00usb_vendor_request(rt2x00dev, USB_MULTI_WRITE, - USB_VENDOR_REQUEST_OUT, beacon_base, 0, - skb->data, skb->len, - REGISTER_TIMEOUT32(skb->len)); - rt73usb_kick_tx_queue(rt2x00dev, QID_BEACON); - - /* - * Clean up the beacon skb. - */ - dev_kfree_skb(skb); - intf->beacon->skb = NULL; - - return 0; -} - static const struct ieee80211_ops rt73usb_mac80211_ops = { .tx = rt2x00mac_tx, .start = rt2x00mac_start, @@ -2040,7 +2013,6 @@ static const struct ieee80211_ops rt73usb_mac80211_ops = { .conf_tx = rt2x00mac_conf_tx, .get_tx_stats = rt2x00mac_get_tx_stats, .get_tsf = rt73usb_get_tsf, - .beacon_update = rt73usb_beacon_update, }; static const struct rt2x00lib_ops rt73usb_rt2x00_ops = { @@ -2058,6 +2030,7 @@ static const struct rt2x00lib_ops rt73usb_rt2x00_ops = { .link_tuner = rt73usb_link_tuner, .write_tx_desc = rt73usb_write_tx_desc, .write_tx_data = rt2x00usb_write_tx_data, + .write_beacon = rt73usb_write_beacon, .get_tx_data_len = rt73usb_get_tx_data_len, .kick_tx_queue = rt73usb_kick_tx_queue, .fill_rxdone = rt73usb_fill_rxdone, |