drivers/net/wireless/mwifiex/decl.h

   1 /*
   2  * Marvell Wireless LAN device driver: generic data structures and APIs
   3  *
   4  * Copyright (C) 2011, Marvell International Ltd.
   5  *
   6  * This software file (the "File") is distributed by Marvell International
   7  * Ltd. under the terms of the GNU General Public License Version 2, June 1991
   8  * (the "License").  You may use, redistribute and/or modify this File in
   9  * accordance with the terms and conditions of the License, a copy of which
  10  * is available by writing to the Free Software Foundation, Inc.,
  11  * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA or on the
  12  * worldwide web at http://www.gnu.org/licenses/old-licenses/gpl-2.0.txt.
  13  *
  14  * THE FILE IS DISTRIBUTED AS-IS, WITHOUT WARRANTY OF ANY KIND, AND THE
  15  * IMPLIED WARRANTIES OF MERCHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE
  16  * ARE EXPRESSLY DISCLAIMED.  The License provides additional details about
  17  * this warranty disclaimer.
  18  */
  19
  20 #ifndef _MWIFIEX_DECL_H_
  21 #define _MWIFIEX_DECL_H_
  22
  23 #undef pr_fmt
  24 #define pr_fmt(fmt)     KBUILD_MODNAME ": " fmt
  25
  26 #include <linux/wait.h>
  27 #include <linux/timer.h>
  28 #include <linux/ieee80211.h>
  29 #include <uapi/linux/if_arp.h>
  30 #include <net/mac80211.h>
  31
  32
  33 #define MWIFIEX_MAX_BSS_NUM         (3)
  34
  35 #define MWIFIEX_MIN_DATA_HEADER_LEN 36  /* sizeof(mwifiex_txpd)
  36                                          *   + 4 byte alignment
  37                                          */
  38 #define MWIFIEX_MGMT_FRAME_HEADER_SIZE  8       /* sizeof(pkt_type)
  39                                                  *   + sizeof(tx_control)
  40                                                  */
  41
  42 #define MWIFIEX_MAX_TX_BASTREAM_SUPPORTED       2
  43 #define MWIFIEX_MAX_RX_BASTREAM_SUPPORTED       16
  44
  45 #define MWIFIEX_STA_AMPDU_DEF_TXWINSIZE        16
  46 #define MWIFIEX_STA_AMPDU_DEF_RXWINSIZE        32
  47 #define MWIFIEX_UAP_AMPDU_DEF_TXWINSIZE        32
  48 #define MWIFIEX_UAP_AMPDU_DEF_RXWINSIZE        16
  49 #define MWIFIEX_11AC_STA_AMPDU_DEF_TXWINSIZE   32
  50 #define MWIFIEX_11AC_STA_AMPDU_DEF_RXWINSIZE   48
  51 #define MWIFIEX_11AC_UAP_AMPDU_DEF_TXWINSIZE   48
  52 #define MWIFIEX_11AC_UAP_AMPDU_DEF_RXWINSIZE   32
  53
  54 #define MWIFIEX_DEFAULT_BLOCK_ACK_TIMEOUT  0xffff
  55
  56 #define MWIFIEX_RATE_BITMAP_MCS0   32
  57
  58 #define MWIFIEX_RX_DATA_BUF_SIZE     (4 * 1024)
  59 #define MWIFIEX_RX_CMD_BUF_SIZE      (2 * 1024)
  60
  61 #define MAX_BEACON_PERIOD                  (4000)
  62 #define MIN_BEACON_PERIOD                  (50)
  63 #define MAX_DTIM_PERIOD                    (100)
  64 #define MIN_DTIM_PERIOD                    (1)
  65
  66 #define MWIFIEX_RTS_MIN_VALUE              (0)
  67 #define MWIFIEX_RTS_MAX_VALUE              (2347)
  68 #define MWIFIEX_FRAG_MIN_VALUE             (256)
  69 #define MWIFIEX_FRAG_MAX_VALUE             (2346)
  70 #define MWIFIEX_WMM_VERSION                0x01
  71 #define MWIFIEX_WMM_SUBTYPE                0x01
  72
  73 #define MWIFIEX_RETRY_LIMIT                14
  74 #define MWIFIEX_SDIO_BLOCK_SIZE            256
  75
  76 #define MWIFIEX_BUF_FLAG_REQUEUED_PKT      BIT(0)
  77 #define MWIFIEX_BUF_FLAG_BRIDGED_PKT       BIT(1)
  78
  79 #define MWIFIEX_BRIDGED_PKTS_THR_HIGH      1024
  80 #define MWIFIEX_BRIDGED_PKTS_THR_LOW        128
  81
  82 enum mwifiex_bss_type {
  83         MWIFIEX_BSS_TYPE_STA = 0,
  84         MWIFIEX_BSS_TYPE_UAP = 1,
  85         MWIFIEX_BSS_TYPE_P2P = 2,
  86         MWIFIEX_BSS_TYPE_ANY = 0xff,
  87 };
  88
  89 enum mwifiex_bss_role {
  90         MWIFIEX_BSS_ROLE_STA = 0,
  91         MWIFIEX_BSS_ROLE_UAP = 1,
  92         MWIFIEX_BSS_ROLE_ANY = 0xff,
  93 };
  94
  95 #define BSS_ROLE_BIT_MASK    BIT(0)
  96
  97 #define GET_BSS_ROLE(priv)   ((priv)->bss_role & BSS_ROLE_BIT_MASK)
  98
  99 enum mwifiex_data_frame_type {
 100         MWIFIEX_DATA_FRAME_TYPE_ETH_II = 0,
 101         MWIFIEX_DATA_FRAME_TYPE_802_11,
 102 };
 103
 104 struct mwifiex_fw_image {
 105         u8 *helper_buf;
 106         u32 helper_len;
 107         u8 *fw_buf;
 108         u32 fw_len;
 109 };
 110
 111 struct mwifiex_802_11_ssid {
 112         u32 ssid_len;
 113         u8 ssid[IEEE80211_MAX_SSID_LEN];
 114 };
 115
 116 struct mwifiex_wait_queue {
 117         wait_queue_head_t wait;
 118         int status;
 119 };
 120
 121 struct mwifiex_rxinfo {
 122         u8 bss_num;
 123         u8 bss_type;
 124         struct sk_buff *parent;
 125         u8 use_count;
 126 };
 127
 128 struct mwifiex_txinfo {
 129         u32 status_code;
 130         u8 flags;
 131         u8 bss_num;
 132         u8 bss_type;
 133 };
 134
 135 enum mwifiex_wmm_ac_e {
 136         WMM_AC_BK,
 137         WMM_AC_BE,
 138         WMM_AC_VI,
 139         WMM_AC_VO
 140 } __packed;
 141
 142 struct ieee_types_wmm_ac_parameters {
 143         u8 aci_aifsn_bitmap;
 144         u8 ecw_bitmap;
 145         __le16 tx_op_limit;
 146 } __packed;
 147
 148 struct mwifiex_types_wmm_info {
 149         u8 oui[4];
 150         u8 subtype;
 151         u8 version;
 152         u8 qos_info;
 153         u8 reserved;
 154         struct ieee_types_wmm_ac_parameters ac_params[IEEE80211_NUM_ACS];
 155 } __packed;
 156
 157 struct mwifiex_arp_eth_header {
 158         struct arphdr hdr;
 159         u8 ar_sha[ETH_ALEN];
 160         u8 ar_sip[4];
 161         u8 ar_tha[ETH_ALEN];
 162         u8 ar_tip[4];
 163 } __packed;
 164 #endif /* !_MWIFIEX_DECL_H_ */