projects / mirror_ubuntu-artful-kernel.git / blame
| Commit | Line | Data |
|---|---|---|
| 5b435de0 AS |
1 | /* |
| 2 | * Copyright (c) 2010 Broadcom Corporation | |
| 3 | * | |
| 4 | * Permission to use, copy, modify, and/or distribute this software for any | |
| 5 | * purpose with or without fee is hereby granted, provided that the above | |
| 6 | * copyright notice and this permission notice appear in all copies. | |
| 7 | * | |
| 8 | * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES | |
| 9 | * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF | |
| 10 | * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY | |
| 11 | * SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES | |
| 12 | * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION | |
| 13 | * OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN | |
| 14 | * CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. | |
| 15 | */ | |
| 16 | ||
| 17 | #ifndef _BRCMF_BUS_H_ | |
| 18 | #define _BRCMF_BUS_H_ | |
| 19 | ||
| a8a363ac FL |
20 | /* The level of bus communication with the dongle */ |
| 21 | enum brcmf_bus_state { | |
| 22 | BRCMF_BUS_DOWN, /* Not ready for frame transfers */ | |
| 23 | BRCMF_BUS_LOAD, /* Download access only (CPU reset) */ | |
| 24 | BRCMF_BUS_DATA /* Ready for frame transfers */ | |
| 25 | }; | |
| 26 | ||
| 27 | struct dngl_stats { | |
| 28 | unsigned long rx_packets; /* total packets received */ | |
| 29 | unsigned long tx_packets; /* total packets transmitted */ | |
| 30 | unsigned long rx_bytes; /* total bytes received */ | |
| 31 | unsigned long tx_bytes; /* total bytes transmitted */ | |
| 32 | unsigned long rx_errors; /* bad packets received */ | |
| 33 | unsigned long tx_errors; /* packet transmit problems */ | |
| 34 | unsigned long rx_dropped; /* packets dropped by dongle */ | |
| 35 | unsigned long tx_dropped; /* packets dropped by dongle */ | |
| 36 | unsigned long multicast; /* multicast packets received */ | |
| 37 | }; | |
| 38 | ||
| 39 | /* interface structure between common and bus layer */ | |
| 40 | struct brcmf_bus { | |
| 41 | u8 type; /* bus type */ | |
| 0a332e46 | 42 | union { |
| 0a332e46 | 43 | struct brcmf_sdio_dev *sdio; |
| 71bb244b | 44 | struct brcmf_usbdev *usb; |
| 0a332e46 AS |
45 | } bus_priv; |
| 46 | struct brcmf_pub *drvr; /* pointer to driver pub structure brcmf_pub */ | |
| a8a363ac FL |
47 | enum brcmf_bus_state state; |
| 48 | uint maxctl; /* Max size rxctl request from proto to bus */ | |
| 49 | bool drvr_up; /* Status flag of driver up/down */ | |
| 50 | unsigned long tx_realloc; /* Tx packets realloced for headroom */ | |
| 51 | struct dngl_stats dstats; /* Stats for dongle-based data */ | |
| 52 | u8 align; /* bus alignment requirement */ | |
| 53 | ||
| 54 | /* interface functions pointers */ | |
| 55 | /* Stop bus module: clear pending frames, disable data flow */ | |
| 56 | void (*brcmf_bus_stop)(struct device *); | |
| 99a0b8ff FL |
57 | /* Initialize bus module: prepare for communication w/dongle */ |
| 58 | int (*brcmf_bus_init)(struct device *); | |
| b9692d17 FL |
59 | /* Send a data frame to the dongle. Callee disposes of txp. */ |
| 60 | int (*brcmf_bus_txdata)(struct device *, struct sk_buff *); | |
| fcf094f4 FL |
61 | /* Send/receive a control message to/from the dongle. |
| 62 | * Expects caller to enforce a single outstanding transaction. | |
| 63 | */ | |
| 64 | int (*brcmf_bus_txctl)(struct device *, unsigned char *, uint); | |
| 65 | int (*brcmf_bus_rxctl)(struct device *, unsigned char *, uint); | |
| a8a363ac FL |
66 | }; |
| 67 | ||
| 68 | /* | |
| 69 | * interface functions from common layer | |
| 70 | */ | |
| 71 | ||
| 72 | /* Remove any protocol-specific data header. */ | |
| 73 | extern int brcmf_proto_hdrpull(struct device *dev, int *ifidx, | |
| 74 | struct sk_buff *rxp); | |
| 75 | ||
| 76 | extern bool brcmf_c_prec_enq(struct device *dev, struct pktq *q, | |
| 77 | struct sk_buff *pkt, int prec); | |
| 78 | ||
| 79 | /* Receive frame for delivery to OS. Callee disposes of rxp. */ | |
| 80 | extern void brcmf_rx_frame(struct device *dev, int ifidx, | |
| 81 | struct sk_buff_head *rxlist); | |
| 82 | static inline void brcmf_rx_packet(struct device *dev, int ifidx, | |
| 83 | struct sk_buff *pkt) | |
| 84 | { | |
| 85 | struct sk_buff_head q; | |
| 86 | ||
| 87 | skb_queue_head_init(&q); | |
| 88 | skb_queue_tail(&q, pkt); | |
| 89 | brcmf_rx_frame(dev, ifidx, &q); | |
| 90 | } | |
| 91 | ||
| 92 | /* Indication from bus module regarding presence/insertion of dongle. */ | |
| 93 | extern int brcmf_attach(uint bus_hdrlen, struct device *dev); | |
| 94 | /* Indication from bus module regarding removal/absence of dongle */ | |
| 95 | extern void brcmf_detach(struct device *dev); | |
| 96 | ||
| 97 | /* Indication from bus module to change flow-control state */ | |
| 98 | extern void brcmf_txflowcontrol(struct device *dev, int ifidx, bool on); | |
| 99 | ||
| 100 | /* Notify tx completion */ | |
| 101 | extern void brcmf_txcomplete(struct device *dev, struct sk_buff *txp, | |
| 102 | bool success); | |
| 103 | ||
| 104 | extern int brcmf_bus_start(struct device *dev); | |
| 105 | ||
| 106 | extern int brcmf_add_if(struct device *dev, int ifidx, | |
| 107 | char *name, u8 *mac_addr); | |
| f3d7cdc3 AS |
108 | |
| 109 | #ifdef CONFIG_BRCMFMAC_SDIO | |
| 110 | extern void brcmf_sdio_exit(void); | |
| 549040ab | 111 | extern void brcmf_sdio_init(void); |
| f3d7cdc3 | 112 | #endif |
| 71bb244b AS |
113 | #ifdef CONFIG_BRCMFMAC_USB |
| 114 | extern void brcmf_usb_exit(void); | |
| 549040ab | 115 | extern void brcmf_usb_init(void); |
| 71bb244b | 116 | #endif |
| f3d7cdc3 | 117 | |
| 5b435de0 | 118 | #endif /* _BRCMF_BUS_H_ */ |