[deliverable/linux.git] / drivers / net / wireless / ath / ath6kl / common.h

/*
 * Copyright (c) 2010-2011 Atheros Communications Inc.
 *
 * 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.
 */

#ifndef COMMON_H
#define COMMON_H

#include <linux/netdevice.h>

#define ATH6KL_MAX_IE			256

extern int ath6kl_printk(const char *level, const char *fmt, ...);

/*
 * Reflects the version of binary interface exposed by ATH6KL target
 * firmware. Needs to be incremented by 1 for any change in the firmware
 * that requires upgrade of the driver on the host side for the change to
 * work correctly
 */
#define ATH6KL_ABI_VERSION        1

#define SIGNAL_QUALITY_METRICS_NUM_MAX    2

enum {
	SIGNAL_QUALITY_METRICS_SNR = 0,
	SIGNAL_QUALITY_METRICS_RSSI,
	SIGNAL_QUALITY_METRICS_ALL,
};

/*
 * Data Path
 */

#define WMI_MAX_TX_DATA_FRAME_LENGTH	      \
	(1500 + sizeof(struct wmi_data_hdr) + \
	 sizeof(struct ethhdr) +      \
	 sizeof(struct ath6kl_llc_snap_hdr))

/* An AMSDU frame */ /* The MAX AMSDU length of AR6003 is 3839 */
#define WMI_MAX_AMSDU_RX_DATA_FRAME_LENGTH    \
	(3840 + sizeof(struct wmi_data_hdr) + \
	 sizeof(struct ethhdr) +      \
	 sizeof(struct ath6kl_llc_snap_hdr))

#define EPPING_ALIGNMENT_PAD			       \
	(((sizeof(struct htc_frame_hdr) + 3) & (~0x3)) \
	 - sizeof(struct htc_frame_hdr))

struct ath6kl_llc_snap_hdr {
	u8 dsap;
	u8 ssap;
	u8 cntl;
	u8 org_code[3];
	__be16 eth_type;
} __packed;

enum crypto_type {
	NONE_CRYPT          = 0x01,
	WEP_CRYPT           = 0x02,
	TKIP_CRYPT          = 0x04,
	AES_CRYPT           = 0x08,
	WAPI_CRYPT          = 0x10,
};

struct htc_endpoint_credit_dist;
struct ath6kl;
enum htc_credit_dist_reason;
struct ath6kl_htc_credit_info;

struct ath6kl *ath6kl_core_alloc(struct device *sdev);
int ath6kl_core_init(struct ath6kl *ar);
void ath6kl_core_cleanup(struct ath6kl *ar);
struct sk_buff *ath6kl_buf_alloc(int size);
#endif /* COMMON_H */
Commit	Line	Data
bdcd8170 KV	1	/*
	2	* Copyright (c) 2010-2011 Atheros Communications Inc.
	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
	11	* ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
	12	* WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
	13	* ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
	14	* OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
	15	*/
	16
	17	#ifndef COMMON_H
	18	#define COMMON_H
	19
	20	#include <linux/netdevice.h>
	21
	22	#define ATH6KL_MAX_IE 256
	23
	24	extern int ath6kl_printk(const char level, const char fmt, ...);
	25
bdcd8170 KV	26	/*
	27	* Reflects the version of binary interface exposed by ATH6KL target
	28	* firmware. Needs to be incremented by 1 for any change in the firmware
	29	* that requires upgrade of the driver on the host side for the change to
	30	* work correctly
	31	*/
	32	#define ATH6KL_ABI_VERSION 1
	33
	34	#define SIGNAL_QUALITY_METRICS_NUM_MAX 2
	35
	36	enum {
	37	SIGNAL_QUALITY_METRICS_SNR = 0,
	38	SIGNAL_QUALITY_METRICS_RSSI,
	39	SIGNAL_QUALITY_METRICS_ALL,
	40	};
	41
	42	/*
	43	* Data Path
	44	*/
	45
	46	#define WMI_MAX_TX_DATA_FRAME_LENGTH \
	47	(1500 + sizeof(struct wmi_data_hdr) + \
	48	sizeof(struct ethhdr) + \
	49	sizeof(struct ath6kl_llc_snap_hdr))
	50
	51	/* An AMSDU frame / / The MAX AMSDU length of AR6003 is 3839 */
	52	#define WMI_MAX_AMSDU_RX_DATA_FRAME_LENGTH \
	53	(3840 + sizeof(struct wmi_data_hdr) + \
	54	sizeof(struct ethhdr) + \
	55	sizeof(struct ath6kl_llc_snap_hdr))
	56
	57	#define EPPING_ALIGNMENT_PAD \
	58	(((sizeof(struct htc_frame_hdr) + 3) & (~0x3)) \
	59	- sizeof(struct htc_frame_hdr))
	60
	61	struct ath6kl_llc_snap_hdr {
	62	u8 dsap;
	63	u8 ssap;
	64	u8 cntl;
	65	u8 org_code[3];
	66	__be16 eth_type;
	67	} __packed;
	68
	69	enum crypto_type {
	70	NONE_CRYPT = 0x01,
	71	WEP_CRYPT = 0x02,
	72	TKIP_CRYPT = 0x04,
	73	AES_CRYPT = 0x08,
5e07021e	74	WAPI_CRYPT = 0x10,
bdcd8170 KV	75	};
bdcd8170 KV	76
bdcd8170 KV	77	struct htc_endpoint_credit_dist;
	78	struct ath6kl;
	79	enum htc_credit_dist_reason;
3c370398	80	struct ath6kl_htc_credit_info;
bdcd8170	81
bdcd8170 KV	82	struct ath6kl ath6kl_core_alloc(struct device sdev);
bdcd8170 KV	83	int ath6kl_core_init(struct ath6kl *ar);
6db8fa53	84	void ath6kl_core_cleanup(struct ath6kl *ar);
bdcd8170 KV	85	struct sk_buff *ath6kl_buf_alloc(int size);
bdcd8170 KV	86	#endif /* COMMON_H */