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

   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
  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,
  74         WAPI_CRYPT          = 0x10,
  75 };
  76
  77 struct htc_endpoint_credit_dist;
  78 struct ath6kl;
  79 enum htc_credit_dist_reason;
  80 struct ath6kl_htc_credit_info;
  81
  82 struct ath6kl *ath6kl_core_alloc(struct device *sdev);
  83 int ath6kl_core_init(struct ath6kl *ar);
  84 void ath6kl_core_cleanup(struct ath6kl *ar);
  85 struct sk_buff *ath6kl_buf_alloc(int size);
  86 #endif /* COMMON_H */