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/*
* CDC network driver ioctl/indication encoding
* Broadcom 802.11abg Networking Device Driver
*
* Definitions subject to change without notice.
*
* Copyright (C) 1999-2010, 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,v 13.14.16.3.16.4 2009/04/12 16:58:45 Exp $
*/
#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_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 {
uint8 flags; /* Flags */
uint8 priority; /* 802.1d Priority 0:2 bits, 4:7 flow control info for usb */
uint8 flags2;
uint8 rssi;
};
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