1 /*
2  * Copyright (c) 2010-2011 Atheros Communications Inc.
3  * Copyright (c) 2011-2012 Qualcomm Atheros, Inc.
4  *
5  * Permission to use, copy, modify, and/or distribute this software for any
6  * purpose with or without fee is hereby granted, provided that the above
7  * copyright notice and this permission notice appear in all copies.
8  *
9  * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
10  * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
11  * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
12  * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
13  * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
14  * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
15  * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
16  */
17 
18 #ifndef COMMON_H
19 #define COMMON_H
20 
21 #include <linux/netdevice.h>
22 
23 #define ATH6KL_MAX_IE			256
24 
25 __printf(2, 3) void ath6kl_printk(const char *level, const char *fmt, ...);
26 
27 /*
28  * Reflects the version of binary interface exposed by ATH6KL target
29  * firmware. Needs to be incremented by 1 for any change in the firmware
30  * that requires upgrade of the driver on the host side for the change to
31  * work correctly
32  */
33 #define ATH6KL_ABI_VERSION        1
34 
35 #define SIGNAL_QUALITY_METRICS_NUM_MAX    2
36 
37 enum {
38 	SIGNAL_QUALITY_METRICS_SNR = 0,
39 	SIGNAL_QUALITY_METRICS_RSSI,
40 	SIGNAL_QUALITY_METRICS_ALL,
41 };
42 
43 /*
44  * Data Path
45  */
46 
47 #define WMI_MAX_TX_DATA_FRAME_LENGTH	      \
48 	(1500 + sizeof(struct wmi_data_hdr) + \
49 	 sizeof(struct ethhdr) +      \
50 	 sizeof(struct ath6kl_llc_snap_hdr))
51 
52 /* An AMSDU frame */ /* The MAX AMSDU length of AR6003 is 3839 */
53 #define WMI_MAX_AMSDU_RX_DATA_FRAME_LENGTH    \
54 	(3840 + sizeof(struct wmi_data_hdr) + \
55 	 sizeof(struct ethhdr) +      \
56 	 sizeof(struct ath6kl_llc_snap_hdr))
57 
58 #define EPPING_ALIGNMENT_PAD			       \
59 	(((sizeof(struct htc_frame_hdr) + 3) & (~0x3)) \
60 	 - sizeof(struct htc_frame_hdr))
61 
62 struct ath6kl_llc_snap_hdr {
63 	u8 dsap;
64 	u8 ssap;
65 	u8 cntl;
66 	u8 org_code[3];
67 	__be16 eth_type;
68 } __packed;
69 
70 enum ath6kl_crypto_type {
71 	NONE_CRYPT          = 0x01,
72 	WEP_CRYPT           = 0x02,
73 	TKIP_CRYPT          = 0x04,
74 	AES_CRYPT           = 0x08,
75 	WAPI_CRYPT          = 0x10,
76 };
77 
78 struct htc_endpoint_credit_dist;
79 struct ath6kl;
80 struct ath6kl_htcap;
81 enum htc_credit_dist_reason;
82 struct ath6kl_htc_credit_info;
83 
84 struct sk_buff *ath6kl_buf_alloc(int size);
85 #endif /* COMMON_H */
86