diff options
Diffstat (limited to 'drivers/staging/brcm80211/include/bcmcdc.h')
| -rw-r--r-- | drivers/staging/brcm80211/include/bcmcdc.h | 98 |
1 files changed, 98 insertions, 0 deletions
diff --git a/drivers/staging/brcm80211/include/bcmcdc.h b/drivers/staging/brcm80211/include/bcmcdc.h new file mode 100644 index 0000000..10c1ddc --- /dev/null +++ b/drivers/staging/brcm80211/include/bcmcdc.h @@ -0,0 +1,98 @@ +/* + * Copyright (c) 2010 Broadcom Corporation + * + * Permission to use, copy, modify, and/or distribute this software for any + * purpose with or without fee is hereby granted, provided that the above + * copyright notice and this permission notice appear in all copies. + * + * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES + * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF + * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY + * SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES + * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION + * OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN + * CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. + */ +#include <proto/ethernet.h> + +typedef struct cdc_ioctl { + u32 cmd; /* ioctl command value */ + u32 len; /* lower 16: output buflen; upper 16: + input buflen (excludes header) */ + u32 flags; /* flag defns given below */ + u32 status; /* status code returned from the device */ +} cdc_ioctl_t; + +/* Max valid buffer size that can be sent to the dongle */ +#define CDC_MAX_MSG_SIZE ETHER_MAX_LEN + +/* len field is divided into input and output buffer lengths */ +#define CDCL_IOC_OUTLEN_MASK 0x0000FFFF /* maximum or expected + response length, */ + /* excluding IOCTL header */ +#define CDCL_IOC_OUTLEN_SHIFT 0 +#define CDCL_IOC_INLEN_MASK 0xFFFF0000 /* input buffer length, + excluding IOCTL header */ +#define CDCL_IOC_INLEN_SHIFT 16 + +/* CDC flag definitions */ +#define CDCF_IOC_ERROR 0x01 /* 0=success, 1=ioctl cmd failed */ +#define CDCF_IOC_SET 0x02 /* 0=get, 1=set cmd */ +#define CDCF_IOC_IF_MASK 0xF000 /* I/F index */ +#define CDCF_IOC_IF_SHIFT 12 +#define CDCF_IOC_ID_MASK 0xFFFF0000 /* used to uniquely id an ioctl + req/resp pairing */ +#define CDCF_IOC_ID_SHIFT 16 /* # of bits of shift for ID Mask */ + +#define CDC_IOC_IF_IDX(flags) \ + (((flags) & CDCF_IOC_IF_MASK) >> CDCF_IOC_IF_SHIFT) +#define CDC_IOC_ID(flags) \ + (((flags) & CDCF_IOC_ID_MASK) >> CDCF_IOC_ID_SHIFT) + +#define CDC_GET_IF_IDX(hdr) \ + ((int)((((hdr)->flags) & CDCF_IOC_IF_MASK) >> CDCF_IOC_IF_SHIFT)) +#define CDC_SET_IF_IDX(hdr, idx) \ + ((hdr)->flags = (((hdr)->flags & ~CDCF_IOC_IF_MASK) | \ + ((idx) << CDCF_IOC_IF_SHIFT))) + +/* + * BDC header + * + * The BDC header is used on data packets to convey priority across USB. + */ + +#define BDC_HEADER_LEN 4 + +#define BDC_PROTO_VER 1 /* Protocol version */ + +#define BDC_FLAG_VER_MASK 0xf0 /* Protocol version mask */ +#define BDC_FLAG_VER_SHIFT 4 /* Protocol version shift */ + +#define BDC_FLAG__UNUSED 0x03 /* Unassigned */ +#define BDC_FLAG_SUM_GOOD 0x04 /* Dongle has verified good + RX checksums */ +#define BDC_FLAG_SUM_NEEDED 0x08 /* Dongle needs to do TX checksums */ + +#define BDC_PRIORITY_MASK 0x7 + +#define BDC_FLAG2_FC_FLAG 0x10 /* flag to indicate if pkt contains */ + /* FLOW CONTROL info only */ +#define BDC_PRIORITY_FC_SHIFT 4 /* flow control info shift */ + +#define BDC_FLAG2_IF_MASK 0x0f /* APSTA: interface on which the + packet was received */ +#define BDC_FLAG2_IF_SHIFT 0 + +#define BDC_GET_IF_IDX(hdr) \ + ((int)((((hdr)->flags2) & BDC_FLAG2_IF_MASK) >> BDC_FLAG2_IF_SHIFT)) +#define BDC_SET_IF_IDX(hdr, idx) \ + ((hdr)->flags2 = (((hdr)->flags2 & ~BDC_FLAG2_IF_MASK) | \ + ((idx) << BDC_FLAG2_IF_SHIFT))) + +struct bdc_header { + u8 flags; /* Flags */ + u8 priority; /* 802.1d Priority 0:2 bits, 4:7 flow + control info for usb */ + u8 flags2; + u8 rssi; +}; |
