/*
 * CDC network driver ioctl/indication encoding
 * Broadcom 802.11abg Networking Device Driver
 *
 * Definitions subject to change without notice.
 *
 * Copyright (C) 1999-2011, 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.
 *
 * $Id: bcmcdc.h,v 13.25.10.3 2010-12-22 23:47:26 Exp $
 */

#ifndef _bcmcdc_h_
#define	_bcmcdc_h_
#include <proto/ethernet.h>

typedef struct cdc_ioctl {
	uint32 cmd;
	uint32 len;
	uint32 flags;
	uint32 status;
} cdc_ioctl_t;


#define CDC_MAX_MSG_SIZE   ETHER_MAX_LEN


#define CDCL_IOC_OUTLEN_MASK   0x0000FFFF
#define CDCL_IOC_OUTLEN_SHIFT  0
#define CDCL_IOC_INLEN_MASK    0xFFFF0000
#define CDCL_IOC_INLEN_SHIFT   16


#define CDCF_IOC_ERROR		0x01
#define CDCF_IOC_SET		0x02
#define CDCF_IOC_OVL_IDX_MASK	0x3c
#define CDCF_IOC_OVL_RSV	0x40
#define CDCF_IOC_OVL		0x80
#define CDCF_IOC_ACTION_MASK	0xfe
#define CDCF_IOC_ACTION_SHIFT	1
#define CDCF_IOC_IF_MASK	0xF000
#define CDCF_IOC_IF_SHIFT	12
#define CDCF_IOC_ID_MASK	0xFFFF0000
#define CDCF_IOC_ID_SHIFT	16

#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)))


#define	BDC_HEADER_LEN		4

#define BDC_PROTO_VER_1		1
#define BDC_PROTO_VER		2

#define BDC_FLAG_VER_MASK	0xf0
#define BDC_FLAG_VER_SHIFT	4

#define BDC_FLAG__UNUSED	0x03
#define BDC_FLAG_SUM_GOOD	0x04
#define BDC_FLAG_SUM_NEEDED	0x08

#define BDC_PRIORITY_MASK	0x7

#define BDC_FLAG2_FC_FLAG	0x10

#define BDC_PRIORITY_FC_SHIFT	4

#define BDC_FLAG2_IF_MASK	0x0f
#define BDC_FLAG2_IF_SHIFT	0
#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)))

#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;
	uint8	priority;
	uint8	flags2;
	uint8	dataOffset;
};

#endif