| Author | Tokens | Token Proportion | Commits | Commit Proportion |
|---|---|---|---|---|
| Arend Van Spriel | 585 | 56.85% | 22 | 50.00% |
| Hante Meuleman | 166 | 16.13% | 10 | 22.73% |
| Franky Lin | 146 | 14.19% | 7 | 15.91% |
| Rafał Miłecki | 79 | 7.68% | 3 | 6.82% |
| Chung-Hsien Hsu | 52 | 5.05% | 1 | 2.27% |
| Julia Lawall | 1 | 0.10% | 1 | 2.27% |
| Total | 1029 | 44 |
// SPDX-License-Identifier: ISC /* * Copyright (c) 2010 Broadcom Corporation */ #ifndef BRCMFMAC_BUS_H #define BRCMFMAC_BUS_H #include "debug.h" /* IDs of the 6 default common rings of msgbuf protocol */ #define BRCMF_H2D_MSGRING_CONTROL_SUBMIT 0 #define BRCMF_H2D_MSGRING_RXPOST_SUBMIT 1 #define BRCMF_H2D_MSGRING_FLOWRING_IDSTART 2 #define BRCMF_D2H_MSGRING_CONTROL_COMPLETE 2 #define BRCMF_D2H_MSGRING_TX_COMPLETE 3 #define BRCMF_D2H_MSGRING_RX_COMPLETE 4 #define BRCMF_NROF_H2D_COMMON_MSGRINGS 2 #define BRCMF_NROF_D2H_COMMON_MSGRINGS 3 #define BRCMF_NROF_COMMON_MSGRINGS (BRCMF_NROF_H2D_COMMON_MSGRINGS + \ BRCMF_NROF_D2H_COMMON_MSGRINGS) /* 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 }; struct brcmf_mp_device; struct brcmf_bus_dcmd { char *name; char *param; int param_len; struct list_head list; }; /** * 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_fwname: obtain firmware name. * * 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, unsigned char *msg, uint len); int (*rxctl)(struct device *dev, unsigned char *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_fwname)(struct device *dev, const char *ext, unsigned char *fw_name); void (*debugfs_create)(struct device *dev); int (*reset)(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 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. * @always_use_fws_queue: bus wants use queue also when fwsignal is inactive. * @wowl_supported: is wowl supported by bus driver. * @chiprev: revision of the dongle chip. * @msgbuf: msgbuf protocol parameters provided by bus layer. */ 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; bool always_use_fws_queue; bool wowl_supported; const struct brcmf_bus_ops *ops; struct brcmf_bus_msgbuf *msgbuf; }; /* * callback wrappers */ static inline int brcmf_bus_preinit(struct brcmf_bus *bus) { if (!bus->ops->preinit) return 0; return bus->ops->preinit(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); } 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); } static inline void brcmf_bus_wowl_config(struct brcmf_bus *bus, bool enabled) { if (bus->ops->wowl_config) bus->ops->wowl_config(bus->dev, enabled); } static inline size_t brcmf_bus_get_ramsize(struct brcmf_bus *bus) { if (!bus->ops->get_ramsize) return 0; return bus->ops->get_ramsize(bus->dev); } static inline int brcmf_bus_get_memdump(struct brcmf_bus *bus, void *data, size_t len) { if (!bus->ops->get_memdump) return -EOPNOTSUPP; return bus->ops->get_memdump(bus->dev, data, len); } static inline int brcmf_bus_get_fwname(struct brcmf_bus *bus, const char *ext, unsigned char *fw_name) { return bus->ops->get_fwname(bus->dev, ext, fw_name); } static inline void brcmf_bus_debugfs_create(struct brcmf_bus *bus) { if (!bus->ops->debugfs_create) return; return bus->ops->debugfs_create(bus->dev); } static inline int brcmf_bus_reset(struct brcmf_bus *bus) { if (!bus->ops->reset) return -EOPNOTSUPP; return bus->ops->reset(bus->dev); } /* * interface functions from common layer */ /* Receive frame for delivery to OS. Callee disposes of rxp. */ void brcmf_rx_frame(struct device *dev, struct sk_buff *rxp, bool handle_event); /* 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); s32 brcmf_iovar_data_set(struct device *dev, char *name, void *data, u32 len); void brcmf_bus_add_txhdrlen(struct device *dev, uint len); #ifdef CONFIG_BRCMFMAC_SDIO void brcmf_sdio_exit(void); void brcmf_sdio_register(void); #endif #ifdef CONFIG_BRCMFMAC_USB void brcmf_usb_exit(void); void brcmf_usb_register(void); #endif #endif /* BRCMFMAC_BUS_H */
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