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path: root/drivers/net/wireless/brcm80211/brcmfmac/dhd_bus.h
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Diffstat (limited to 'drivers/net/wireless/brcm80211/brcmfmac/dhd_bus.h')
-rw-r--r--drivers/net/wireless/brcm80211/brcmfmac/dhd_bus.h98
1 files changed, 74 insertions, 24 deletions
diff --git a/drivers/net/wireless/brcm80211/brcmfmac/dhd_bus.h b/drivers/net/wireless/brcm80211/brcmfmac/dhd_bus.h
index 9b8ee19ea55d..dd38b78a9726 100644
--- a/drivers/net/wireless/brcm80211/brcmfmac/dhd_bus.h
+++ b/drivers/net/wireless/brcm80211/brcmfmac/dhd_bus.h
@@ -43,37 +43,90 @@ struct brcmf_bus_dcmd {
struct list_head list;
};
-/* interface structure between common and bus layer */
+/**
+ * struct brcmf_bus_ops - bus callback operations.
+ *
+ * @init: prepare for communication with dongle.
+ * @stop: clear pending frames, disable data flow.
+ * @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.
+ *
+ * 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.
+ */
+struct brcmf_bus_ops {
+ int (*init)(struct device *dev);
+ void (*stop)(struct device *dev);
+ 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 brcmf_bus - interface structure between common and bus layer
+ *
+ * @bus_priv: pointer to private bus device.
+ * @dev: device pointer of bus device.
+ * @drvr: public driver information.
+ * @state: operational state of the bus interface.
+ * @maxctl: maximum size for rxctl request message.
+ * @drvr_up: indicates driver up/down status.
+ * @tx_realloc: number of tx packets realloced for headroom.
+ * @dstats: dongle-based statistical data.
+ * @align: alignment requirement for the bus.
+ * @dcmd_list: bus/device specific dongle initialization commands.
+ */
struct brcmf_bus {
- u8 type; /* bus type */
union {
struct brcmf_sdio_dev *sdio;
struct brcmf_usbdev *usb;
} bus_priv;
- struct brcmf_pub *drvr; /* pointer to driver pub structure brcmf_pub */
+ struct device *dev;
+ struct brcmf_pub *drvr;
enum brcmf_bus_state state;
- uint maxctl; /* Max size rxctl request from proto to bus */
- bool drvr_up; /* Status flag of driver up/down */
- unsigned long tx_realloc; /* Tx packets realloced for headroom */
- struct dngl_stats dstats; /* Stats for dongle-based data */
- u8 align; /* bus alignment requirement */
+ uint maxctl;
+ bool drvr_up;
+ unsigned long tx_realloc;
+ struct dngl_stats dstats;
+ u8 align;
struct list_head dcmd_list;
- /* interface functions pointers */
- /* Stop bus module: clear pending frames, disable data flow */
- void (*brcmf_bus_stop)(struct device *);
- /* Initialize bus module: prepare for communication w/dongle */
- int (*brcmf_bus_init)(struct device *);
- /* Send a data frame to the dongle. Callee disposes of txp. */
- int (*brcmf_bus_txdata)(struct device *, struct sk_buff *);
- /* Send/receive a control message to/from the dongle.
- * Expects caller to enforce a single outstanding transaction.
- */
- int (*brcmf_bus_txctl)(struct device *, unsigned char *, uint);
- int (*brcmf_bus_rxctl)(struct device *, unsigned char *, uint);
+ struct brcmf_bus_ops *ops;
};
/*
+ * callback wrappers
+ */
+static inline int brcmf_bus_init(struct brcmf_bus *bus)
+{
+ return bus->ops->init(bus->dev);
+}
+
+static inline void brcmf_bus_stop(struct brcmf_bus *bus)
+{
+ bus->ops->stop(bus->dev);
+}
+
+static inline int brcmf_bus_txdata(struct brcmf_bus *bus, struct sk_buff *skb)
+{
+ return bus->ops->txdata(bus->dev, skb);
+}
+
+static inline
+int brcmf_bus_txctl(struct brcmf_bus *bus, unsigned char *msg, uint len)
+{
+ return bus->ops->txctl(bus->dev, msg, len);
+}
+
+static inline
+int brcmf_bus_rxctl(struct brcmf_bus *bus, unsigned char *msg, uint len)
+{
+ return bus->ops->rxctl(bus->dev, msg, len);
+}
+
+/*
* interface functions from common layer
*/
@@ -85,7 +138,7 @@ extern bool brcmf_c_prec_enq(struct device *dev, struct pktq *q,
struct sk_buff *pkt, int prec);
/* Receive frame for delivery to OS. Callee disposes of rxp. */
-extern void brcmf_rx_frame(struct device *dev, int ifidx,
+extern void brcmf_rx_frame(struct device *dev, u8 ifidx,
struct sk_buff_head *rxlist);
static inline void brcmf_rx_packet(struct device *dev, int ifidx,
struct sk_buff *pkt)
@@ -111,9 +164,6 @@ extern void brcmf_txcomplete(struct device *dev, struct sk_buff *txp,
extern int brcmf_bus_start(struct device *dev);
-extern int brcmf_add_if(struct device *dev, int ifidx,
- char *name, u8 *mac_addr);
-
#ifdef CONFIG_BRCMFMAC_SDIO
extern void brcmf_sdio_exit(void);
extern void brcmf_sdio_init(void);