static int zd_mac_tx(struct zd_mac *mac, struct ieee80211_txb *txb, int pri)
{
int i, r;
struct ieee80211_device *ieee = zd_mac_to_ieee80211(mac);
for (i = 0; i < txb->nr_frags; i++) {
struct sk_buff *skb = txb->fragments[i];
r = fill_ctrlset(mac, txb, i);
if (r) {
ieee->stats.tx_dropped++;
return r;
}
r = zd_usb_tx(&mac->chip.usb, skb->data, skb->len);
if (r) {
ieee->stats.tx_dropped++;
return r;
}
}
/* FIXME: shouldn't this be handled by the upper layers? */
mac->netdev->trans_start = jiffies;
ieee80211_txb_free(txb);
return 0;
}
/**
* zd_op_tx - transmits a network frame to the device
*
* @dev: mac80211 hardware device
* @skb: socket buffer
* @control: the control structure
*
* This function transmit an IEEE 802.11 network frame to the device. The
* control block of the skbuff will be initialized. If necessary the incoming
* mac80211 queues will be stopped.
*/
static int zd_op_tx(struct ieee80211_hw *hw, struct sk_buff *skb,
struct ieee80211_tx_control *control)
{
struct zd_mac *mac = zd_hw_mac(hw);
int r;
r = fill_ctrlset(mac, skb, control);
if (r)
return r;
r = init_tx_skb_control_block(skb, hw, control);
if (r)
return r;
r = zd_usb_tx(&mac->chip.usb, skb);
if (r) {
clear_tx_skb_control_block(skb);
return r;
}
return 0;
}