X-Git-Url: http://drtracing.org/?a=blobdiff_plain;f=drivers%2Fnet%2Fwireless%2Fbrcm80211%2Fbrcmfmac%2Fdhd_bus.h;h=080395f49fa5922400419d821e1fda4fcc1b460e;hb=e2432b6787a15e0b3c255a017d16033ba30204c0;hp=ad25c3408b59abaf2315e89352fcf2fce7bc6f6a;hpb=d15591b008c2b758e480660ecca85889f99bc240;p=deliverable%2Flinux.git

diff --git a/drivers/net/wireless/brcm80211/brcmfmac/dhd_bus.h b/drivers/net/wireless/brcm80211/brcmfmac/dhd_bus.h
index ad25c3408b59..080395f49fa5 100644
--- a/drivers/net/wireless/brcm80211/brcmfmac/dhd_bus.h
+++ b/drivers/net/wireless/brcm80211/brcmfmac/dhd_bus.h
@@ -39,10 +39,12 @@ struct brcmf_bus_dcmd {
  * @txdata: send a data frame to the dongle (callee disposes skb).
  * @txctl: transmit a control request message to dongle.
  * @rxctl: receive a control response message from dongle.
+ * @gettxq: obtain a reference of bus transmit queue (optional).
  *
  * This structure provides an abstract interface towards the
  * bus specific driver. For control messages to common driver
- * will assure there is only one active transaction.
+ * will assure there is only one active transaction. Unless
+ * indicated otherwise these callbacks are mandatory.
  */
 struct brcmf_bus_ops {
 	int (*init)(struct device *dev);
@@ -50,6 +52,7 @@ struct brcmf_bus_ops {
 	int (*txdata)(struct device *dev, struct sk_buff *skb);
 	int (*txctl)(struct device *dev, unsigned char *msg, uint len);
 	int (*rxctl)(struct device *dev, unsigned char *msg, uint len);
+	struct pktq * (*gettxq)(struct device *dev);
 };
 
 /**
@@ -115,6 +118,14 @@ int brcmf_bus_rxctl(struct brcmf_bus *bus, unsigned char *msg, uint len)
 	return bus->ops->rxctl(bus->dev, msg, len);
 }
 
+static inline
+struct pktq *brcmf_bus_gettxq(struct brcmf_bus *bus)
+{
+	if (!bus->ops->gettxq)
+		return ERR_PTR(-ENOENT);
+
+	return bus->ops->gettxq(bus->dev);
+}
 /*
  * interface functions from common layer
  */
@@ -134,7 +145,7 @@ extern void brcmf_dev_reset(struct device *dev);
 /* Indication from bus module to change flow-control state */
 extern void brcmf_txflowblock(struct device *dev, bool state);
 
-/* Notify tx completion */
+/* Notify the bus has transferred the tx packet to firmware */
 extern void brcmf_txcomplete(struct device *dev, struct sk_buff *txp,
 			     bool success);