staging: vt6656: mac80211 conversion: Create tx functions

Create vnt_fill_txkey as mac80211 replacement for s_vFillTxKey.

Create vnt_tx_packet which a merger of s_bPacketToWirelessUsb, nsDMA_tx_packet
and csMgmt_xmit using mac80211 signalling.

Create vnt_beacon_xmit as mac80211 replacement for csBeacon_xmit. Changing
header in vnt_beacon_buffer to struct ieee80211_mgmt deleting some of
old code. vnt_beacon_make is needed to make beacon for vnt_beacon_xmit.

Create vnt_beacon_enable as mac80211 call to enable beacon.

vnt_fill_ieee80211_rts is modified to use struct ieee80211_hdr instead of
struct ethhdr and access to tx_context.

In s_nsBulkOutIoCompleteWrite modify context handling
Signed-off-by: Malcolm Priestley <tvboxspy@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

drivers/staging/vt6656/device.h

@@ -223,7 +223,8 @@ struct vnt_rsp_card_init {
  */
 enum {
 	CONTEXT_DATA_PACKET = 1,
-	CONTEXT_MGMT_PACKET
+	CONTEXT_MGMT_PACKET,
+	CONTEXT_BEACON_PACKET
 };
 
 /* RCB (Receive Control Block) */

drivers/staging/vt6656/rxtx.h

@@ -247,7 +247,7 @@ struct vnt_beacon_buffer {
 	u8 byPKTNO;
 	__le16 tx_byte_count;
 	struct vnt_tx_short_buf_head short_head;
-	struct ieee80211_hdr hdr;
+	struct ieee80211_mgmt mgmt_hdr;
 } __packed;
 
 void vDMA0_tx_80211(struct vnt_private *, struct sk_buff *skb);
@@ -255,4 +255,9 @@ int nsDMA_tx_packet(struct vnt_private *, struct sk_buff *skb);
 CMD_STATUS csMgmt_xmit(struct vnt_private *, struct vnt_tx_mgmt *);
 CMD_STATUS csBeacon_xmit(struct vnt_private *, struct vnt_tx_mgmt *);
 
+int vnt_tx_packet(struct vnt_private *, struct sk_buff *);
+int vnt_beacon_make(struct vnt_private *, struct ieee80211_vif *);
+int vnt_beacon_enable(struct vnt_private *, struct ieee80211_vif *,
+	struct ieee80211_bss_conf *);
+
 #endif /* __RXTX_H__ */

drivers/staging/vt6656/usbpipe.c

@@ -398,7 +398,7 @@ static void s_nsBulkOutIoCompleteWrite(struct urb *urb)
 {
 	struct vnt_usb_send_context *context = urb->context;
 	struct vnt_private *priv = context->priv;
-	u8 context_type = context->type;
+	struct ieee80211_tx_info *info;
 
 	switch (urb->status) {
 	case 0:
@@ -415,24 +415,18 @@ static void s_nsBulkOutIoCompleteWrite(struct urb *urb)
 		break;
 	}
 
-	if (!netif_device_present(priv->dev))
-		return;
-
-	if (CONTEXT_DATA_PACKET == context_type) {
-		if (context->skb != NULL) {
-			dev_kfree_skb_irq(context->skb);
-			context->skb = NULL;
-			dev_dbg(&priv->usb->dev,
-					"tx  %d bytes\n", context->buf_len);
+	if (context->skb) {
+		info = IEEE80211_SKB_CB(context->skb);
+		ieee80211_tx_info_clear_status(info);
+		info->status.rates[0].idx = priv->wCurrentRate;
+		info->status.rates[0].count = 0;
+		if (!urb->status)
+			info->flags |= IEEE80211_TX_STAT_ACK;
+		ieee80211_tx_status_irqsafe(priv->hw, context->skb);
 	}
 
-		priv->dev->trans_start = jiffies;
-	}
-
-	if (priv->bLinkPass == true) {
-		if (netif_queue_stopped(priv->dev))
-			netif_wake_queue(priv->dev);
-	}
+	if (context->type == CONTEXT_DATA_PACKET)
+		ieee80211_wake_queues(priv->hw);
 
 	context->in_use = false;