/* The level of bus communication with the dongle */ enum brcmf_bus_state {
BRCMF_BUS_DOWN, /* Not ready for frame transfers */
BRCMF_BUS_UP /* Ready for frame transfers */
};
/* The level of bus communication with the dongle */ enum brcmf_bus_protocol_type {
BRCMF_PROTO_BCDC,
BRCMF_PROTO_MSGBUF
};
/* Firmware blobs that may be available */ enum brcmf_blob_type {
BRCMF_BLOB_CLM,
BRCMF_BLOB_TXCAP,
};
/** * struct brcmf_bus_ops - bus callback operations. * * @preinit: execute bus/device specific dongle init commands (optional). * @init: prepare for communication with dongle. * @stop: clear pending frames, disable data flow. * @txdata: send a data frame to the dongle. When the data * has been transferred, the common driver must be * notified using brcmf_txcomplete(). The common * driver calls this function with interrupts * disabled. * @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). * @wowl_config: specify if dongle is configured for wowl when going to suspend * @get_ramsize: obtain size of device memory. * @get_memdump: obtain device memory dump in provided buffer. * @get_blob: obtain a firmware blob. * @remove: initiate unbind of the device. * * 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. Unless * indicated otherwise these callbacks are mandatory.
*/ struct brcmf_bus_ops { int (*preinit)(struct device *dev); void (*stop)(struct device *dev); int (*txdata)(struct device *dev, struct sk_buff *skb); int (*txctl)(struct device *dev, unsignedchar *msg, uint len); int (*rxctl)(struct device *dev, unsignedchar *msg, uint len); struct pktq * (*gettxq)(struct device *dev); void (*wowl_config)(struct device *dev, bool enabled);
size_t (*get_ramsize)(struct device *dev); int (*get_memdump)(struct device *dev, void *data, size_t len); int (*get_blob)(struct device *dev, conststruct firmware **fw, enum brcmf_blob_type type); void (*debugfs_create)(struct device *dev); int (*reset)(struct device *dev); void (*remove)(struct device *dev);
};
/** * struct brcmf_bus_msgbuf - bus ringbuf if in case of msgbuf. * * @commonrings: commonrings which are always there. * @flowrings: commonrings which are dynamically created and destroyed for data. * @rx_dataoffset: if set then all rx data has this offset. * @max_rxbufpost: maximum number of buffers to post for rx. * @max_flowrings: maximum number of tx flow rings supported. * @max_submissionrings: maximum number of submission rings(h2d) supported. * @max_completionrings: maximum number of completion rings(d2h) supported.
*/ struct brcmf_bus_msgbuf { struct brcmf_commonring *commonrings[BRCMF_NROF_COMMON_MSGRINGS]; struct brcmf_commonring **flowrings;
u32 rx_dataoffset;
u32 max_rxbufpost;
u16 max_flowrings;
u16 max_submissionrings;
u16 max_completionrings;
};
/** * struct brcmf_bus_stats - bus statistic counters. * * @pktcowed: packets cowed for extra headroom/unorphan. * @pktcow_failed: packets dropped due to failed cow-ing.
*/ struct brcmf_bus_stats {
atomic_t pktcowed;
atomic_t pktcow_failed;
};
/** * struct brcmf_bus - interface structure between common and bus layer * * @bus_priv: pointer to private bus device. * @proto_type: protocol type, bcdc or msgbuf * @dev: device pointer of bus device. * @drvr: public driver information. * @state: operational state of the bus interface. * @stats: statistics shared between common and bus layer. * @maxctl: maximum size for rxctl request message. * @chip: device identifier of the dongle chip. * @chiprev: revision of the dongle chip. * @fwvid: firmware vendor-support identifier of the device. * @always_use_fws_queue: bus wants use queue also when fwsignal is inactive. * @wowl_supported: is wowl supported by bus driver. * @ops: callbacks for this bus instance. * @msgbuf: msgbuf protocol parameters provided by bus layer. * @list: member used to add this bus instance to linked list.
*/ struct brcmf_bus { union { struct brcmf_sdio_dev *sdio; struct brcmf_usbdev *usb; struct brcmf_pciedev *pcie;
} bus_priv; enum brcmf_bus_protocol_type proto_type; struct device *dev; struct brcmf_pub *drvr; enum brcmf_bus_state state; struct brcmf_bus_stats stats;
uint maxctl;
u32 chip;
u32 chiprev; enum brcmf_fwvendor fwvid; bool always_use_fws_queue; bool wowl_supported;
/* Receive frame for delivery to OS. Callee disposes of rxp. */ void brcmf_rx_frame(struct device *dev, struct sk_buff *rxp, bool handle_event, bool inirq); /* Receive async event packet from firmware. Callee disposes of rxp. */ void brcmf_rx_event(struct device *dev, struct sk_buff *rxp);
int brcmf_alloc(struct device *dev, struct brcmf_mp_device *settings); /* Indication from bus module regarding presence/insertion of dongle. */ int brcmf_attach(struct device *dev); /* Indication from bus module regarding removal/absence of dongle */ void brcmf_detach(struct device *dev); void brcmf_free(struct device *dev); /* Indication from bus module that dongle should be reset */ void brcmf_dev_reset(struct device *dev); /* Request from bus module to initiate a coredump */ void brcmf_dev_coredump(struct device *dev); /* Indication that firmware has halted or crashed */ void brcmf_fw_crashed(struct device *dev);
/* Configure the "global" bus state used by upper layers */ void brcmf_bus_change_state(struct brcmf_bus *bus, enum brcmf_bus_state state);
Die Informationen auf dieser Webseite wurden
nach bestem Wissen sorgfältig zusammengestellt. Es wird jedoch weder Vollständigkeit, noch Richtigkeit,
noch Qualität der bereit gestellten Informationen zugesichert.
Bemerkung:
Die farbliche Syntaxdarstellung und die Messung sind noch experimentell.