diff options
Diffstat (limited to 'drivers/net/wireless/bcmdhd.1.28.23.x.cn/include/bcmcdc.h')
| -rwxr-xr-x | drivers/net/wireless/bcmdhd.1.28.23.x.cn/include/bcmcdc.h | 132 |
1 files changed, 132 insertions, 0 deletions
diff --git a/drivers/net/wireless/bcmdhd.1.28.23.x.cn/include/bcmcdc.h b/drivers/net/wireless/bcmdhd.1.28.23.x.cn/include/bcmcdc.h new file mode 100755 index 00000000..a1d12713 --- /dev/null +++ b/drivers/net/wireless/bcmdhd.1.28.23.x.cn/include/bcmcdc.h @@ -0,0 +1,132 @@ +/* + * CDC network driver ioctl/indication encoding + * Broadcom 802.11abg Networking Device Driver + * + * Definitions subject to change without notice. + * + * Copyright (C) 1999-2012, Broadcom Corporation + * + * Unless you and Broadcom execute a separate written software license + * agreement governing use of this software, this software is licensed to you + * under the terms of the GNU General Public License version 2 (the "GPL"), + * available at http://www.broadcom.com/licenses/GPLv2.php, with the + * following added to such license: + * + * As a special exception, the copyright holders of this software give you + * permission to link this software with independent modules, and to copy and + * distribute the resulting executable under terms of your choice, provided that + * you also meet, for each linked independent module, the terms and conditions of + * the license of that module. An independent module is a module which is not + * derived from this software. The special exception does not apply to any + * modifications of the software. + * + * Notwithstanding the above, under no circumstances may you combine this + * software in any way with any other Broadcom software provided under a license + * other than the GPL, without Broadcom's express prior written consent. + * + * $Id: bcmcdc.h 318308 2012-03-02 02:23:42Z $ + */ +#ifndef _bcmcdc_h_ +#define _bcmcdc_h_ +#include <proto/ethernet.h> + +typedef struct cdc_ioctl { + uint32 cmd; /* ioctl command value */ + uint32 len; /* lower 16: output buflen; upper 16: input buflen (excludes header) */ + uint32 flags; /* flag defns given below */ + uint32 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_OVL_IDX_MASK 0x3c /* overlay region index mask */ +#define CDCF_IOC_OVL_RSV 0x40 /* 1=reserve this overlay region */ +#define CDCF_IOC_OVL 0x80 /* 1=this ioctl corresponds to an overlay */ +#define CDCF_IOC_ACTION_MASK 0xfe /* SET/GET, OVL_IDX, OVL_RSV, OVL mask */ +#define CDCF_IOC_ACTION_SHIFT 1 /* SET/GET, OVL_IDX, OVL_RSV, OVL shift */ +#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. + */ + +struct bdc_header { + uint8 flags; /* Flags */ + uint8 priority; /* 802.1d Priority 0:2 bits, 4:7 USB flow control info */ + uint8 flags2; + uint8 dataOffset; /* Offset from end of BDC header to packet data, in + * 4-byte words. Leaves room for optional headers. + */ +}; + +#define BDC_HEADER_LEN 4 + +/* flags field bitmap */ +#define BDC_FLAG_80211_PKT 0x01 /* Packet is in 802.11 format (dongle -> host) */ +#define BDC_FLAG_SUM_GOOD 0x04 /* Dongle has verified good RX checksums */ +#define BDC_FLAG_SUM_NEEDED 0x08 /* Dongle needs to do TX checksums: host->device */ +#define BDC_FLAG_EVENT_MSG 0x08 /* Payload contains an event msg: device->host */ +#define BDC_FLAG_VER_MASK 0xf0 /* Protocol version mask */ +#define BDC_FLAG_VER_SHIFT 4 /* Protocol version shift */ + +/* priority field bitmap */ +#define BDC_PRIORITY_MASK 0x07 +#define BDC_PRIORITY_FC_MASK 0xf0 /* flow control info mask */ +#define BDC_PRIORITY_FC_SHIFT 4 /* flow control info shift */ + +/* flags2 field bitmap */ +#define BDC_FLAG2_IF_MASK 0x0f /* interface index (host <-> dongle) */ +#define BDC_FLAG2_IF_SHIFT 0 +#define BDC_FLAG2_FC_FLAG 0x10 /* flag to indicate if pkt contains */ + /* FLOW CONTROL info only */ + +/* version numbers */ +#define BDC_PROTO_VER_1 1 /* Old Protocol version */ +#define BDC_PROTO_VER 2 /* Protocol version */ + +/* flags2.if field access macros */ +#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))) + +#define BDC_FLAG2_PAD_MASK 0xf0 +#define BDC_FLAG_PAD_MASK 0x03 +#define BDC_FLAG2_PAD_SHIFT 2 +#define BDC_FLAG_PAD_SHIFT 0 +#define BDC_FLAG2_PAD_IDX 0x3c +#define BDC_FLAG_PAD_IDX 0x03 +#define BDC_GET_PAD_LEN(hdr) \ + ((int)(((((hdr)->flags2) & BDC_FLAG2_PAD_MASK) >> BDC_FLAG2_PAD_SHIFT) | \ + ((((hdr)->flags) & BDC_FLAG_PAD_MASK) >> BDC_FLAG_PAD_SHIFT))) +#define BDC_SET_PAD_LEN(hdr, idx) \ + ((hdr)->flags2 = (((hdr)->flags2 & ~BDC_FLAG2_PAD_MASK) | \ + (((idx) & BDC_FLAG2_PAD_IDX) << BDC_FLAG2_PAD_SHIFT))); \ + ((hdr)->flags = (((hdr)->flags & ~BDC_FLAG_PAD_MASK) | \ + (((idx) & BDC_FLAG_PAD_IDX) << BDC_FLAG_PAD_SHIFT))) + +#endif /* _bcmcdc_h_ */ |