drivers/net/wireless/ath/ath6kl/common.h

   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 extern int 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 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 enum htc_credit_dist_reason;
  81 struct ath6kl_htc_credit_info;
  82
  83 struct sk_buff *ath6kl_buf_alloc(int size);
  84 #endif /* COMMON_H */