drivers/net/wireless/iwlwifi/iwl-fw.h

   1 /******************************************************************************
   2  *
   3  * This file is provided under a dual BSD/GPLv2 license.  When using or
   4  * redistributing this file, you may do so under either license.
   5  *
   6  * GPL LICENSE SUMMARY
   7  *
   8  * Copyright(c) 2008 - 2014 Intel Corporation. All rights reserved.
   9  *
  10  * This program is free software; you can redistribute it and/or modify
  11  * it under the terms of version 2 of the GNU General Public License as
  12  * published by the Free Software Foundation.
  13  *
  14  * This program is distributed in the hope that it will be useful, but
  15  * WITHOUT ANY WARRANTY; without even the implied warranty of
  16  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  17  * General Public License for more details.
  18  *
  19  * You should have received a copy of the GNU General Public License
  20  * along with this program; if not, write to the Free Software
  21  * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110,
  22  * USA
  23  *
  24  * The full GNU General Public License is included in this distribution
  25  * in the file called COPYING.
  26  *
  27  * Contact Information:
  28  *  Intel Linux Wireless <ilw@linux.intel.com>
  29  * Intel Corporation, 5200 N.E. Elam Young Parkway, Hillsboro, OR 97124-6497
  30  *
  31  * BSD LICENSE
  32  *
  33  * Copyright(c) 2005 - 2014 Intel Corporation. All rights reserved.
  34  * All rights reserved.
  35  *
  36  * Redistribution and use in source and binary forms, with or without
  37  * modification, are permitted provided that the following conditions
  38  * are met:
  39  *
  40  *  * Redistributions of source code must retain the above copyright
  41  *    notice, this list of conditions and the following disclaimer.
  42  *  * Redistributions in binary form must reproduce the above copyright
  43  *    notice, this list of conditions and the following disclaimer in
  44  *    the documentation and/or other materials provided with the
  45  *    distribution.
  46  *  * Neither the name Intel Corporation nor the names of its
  47  *    contributors may be used to endorse or promote products derived
  48  *    from this software without specific prior written permission.
  49  *
  50  * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
  51  * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
  52  * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
  53  * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
  54  * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
  55  * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
  56  * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
  57  * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
  58  * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
  59  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
  60  * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  61  *****************************************************************************/
  62
  63 #ifndef __iwl_fw_h__
  64 #define __iwl_fw_h__
  65 #include <linux/types.h>
  66 #include <net/mac80211.h>
  67
  68 /**
  69  * enum iwl_ucode_tlv_flag - ucode API flags
  70  * @IWL_UCODE_TLV_FLAGS_PAN: This is PAN capable microcode; this previously
  71  *      was a separate TLV but moved here to save space.
  72  * @IWL_UCODE_TLV_FLAGS_NEWSCAN: new uCode scan behaviour on hidden SSID,
  73  *      treats good CRC threshold as a boolean
  74  * @IWL_UCODE_TLV_FLAGS_MFP: This uCode image supports MFP (802.11w).
  75  * @IWL_UCODE_TLV_FLAGS_P2P: This uCode image supports P2P.
  76  * @IWL_UCODE_TLV_FLAGS_DW_BC_TABLE: The SCD byte count table is in DWORDS
  77  * @IWL_UCODE_TLV_FLAGS_UAPSD_SUPPORT: This uCode image supports uAPSD
  78  * @IWL_UCODE_TLV_FLAGS_SHORT_BL: 16 entries of black list instead of 64 in scan
  79  *      offload profile config command.
  80  * @IWL_UCODE_TLV_FLAGS_D3_6_IPV6_ADDRS: D3 image supports up to six
  81  *      (rather than two) IPv6 addresses
  82  * @IWL_UCODE_TLV_FLAGS_NO_BASIC_SSID: not sending a probe with the SSID element
  83  *      from the probe request template.
  84  * @IWL_UCODE_TLV_FLAGS_NEW_NSOFFL_SMALL: new NS offload (small version)
  85  * @IWL_UCODE_TLV_FLAGS_NEW_NSOFFL_LARGE: new NS offload (large version)
  86  * @IWL_UCODE_TLV_FLAGS_P2P_PM: P2P client supports PM as a stand alone MAC
  87  * @IWL_UCODE_TLV_FLAGS_P2P_BSS_PS_DCM: support power save on BSS station and
  88  *      P2P client interfaces simultaneously if they are in different bindings.
  89  * @IWL_UCODE_TLV_FLAGS_P2P_BSS_PS_SCM: support power save on BSS station and
  90  *      P2P client interfaces simultaneously if they are in same bindings.
  91  * @IWL_UCODE_TLV_FLAGS_P2P_PS_UAPSD: P2P client supports uAPSD power save
  92  * @IWL_UCODE_TLV_FLAGS_BCAST_FILTERING: uCode supports broadcast filtering.
  93  * @IWL_UCODE_TLV_FLAGS_GO_UAPSD: AP/GO interfaces support uAPSD clients
  94  * @IWL_UCODE_TLV_FLAGS_EBS_SUPPORT: this uCode image supports EBS.
  95  */
  96 enum iwl_ucode_tlv_flag {
  97         IWL_UCODE_TLV_FLAGS_PAN                 = BIT(0),
  98         IWL_UCODE_TLV_FLAGS_NEWSCAN             = BIT(1),
  99         IWL_UCODE_TLV_FLAGS_MFP                 = BIT(2),
 100         IWL_UCODE_TLV_FLAGS_P2P                 = BIT(3),
 101         IWL_UCODE_TLV_FLAGS_DW_BC_TABLE         = BIT(4),
 102         IWL_UCODE_TLV_FLAGS_SHORT_BL            = BIT(7),
 103         IWL_UCODE_TLV_FLAGS_D3_6_IPV6_ADDRS     = BIT(10),
 104         IWL_UCODE_TLV_FLAGS_NO_BASIC_SSID       = BIT(12),
 105         IWL_UCODE_TLV_FLAGS_NEW_NSOFFL_SMALL    = BIT(15),
 106         IWL_UCODE_TLV_FLAGS_NEW_NSOFFL_LARGE    = BIT(16),
 107         IWL_UCODE_TLV_FLAGS_P2P_PM              = BIT(21),
 108         IWL_UCODE_TLV_FLAGS_BSS_P2P_PS_DCM      = BIT(22),
 109         IWL_UCODE_TLV_FLAGS_BSS_P2P_PS_SCM      = BIT(23),
 110         IWL_UCODE_TLV_FLAGS_UAPSD_SUPPORT       = BIT(24),
 111         IWL_UCODE_TLV_FLAGS_EBS_SUPPORT         = BIT(25),
 112         IWL_UCODE_TLV_FLAGS_P2P_PS_UAPSD        = BIT(26),
 113         IWL_UCODE_TLV_FLAGS_BCAST_FILTERING     = BIT(29),
 114         IWL_UCODE_TLV_FLAGS_GO_UAPSD            = BIT(30),
 115 };
 116
 117 /**
 118  * enum iwl_ucode_tlv_api - ucode api
 119  * @IWL_UCODE_TLV_API_WOWLAN_CONFIG_TID: wowlan config includes tid field.
 120  * @IWL_UCODE_TLV_API_CSA_FLOW: ucode can do unbind-bind flow for CSA.
 121  */
 122 enum iwl_ucode_tlv_api {
 123         IWL_UCODE_TLV_API_WOWLAN_CONFIG_TID     = BIT(0),
 124         IWL_UCODE_TLV_API_CSA_FLOW              = BIT(4),
 125 };
 126
 127 /**
 128  * enum iwl_ucode_tlv_capa - ucode capabilities
 129  * @IWL_UCODE_TLV_CAPA_D0I3_SUPPORT: supports D0i3
 130  */
 131 enum iwl_ucode_tlv_capa {
 132         IWL_UCODE_TLV_CAPA_D0I3_SUPPORT         = BIT(0),
 133 };
 134
 135 /* The default calibrate table size if not specified by firmware file */
 136 #define IWL_DEFAULT_STANDARD_PHY_CALIBRATE_TBL_SIZE     18
 137 #define IWL_MAX_STANDARD_PHY_CALIBRATE_TBL_SIZE         19
 138 #define IWL_MAX_PHY_CALIBRATE_TBL_SIZE                  253
 139
 140 /* The default max probe length if not specified by the firmware file */
 141 #define IWL_DEFAULT_MAX_PROBE_LENGTH    200
 142
 143 /**
 144  * enum iwl_ucode_type
 145  *
 146  * The type of ucode.
 147  *
 148  * @IWL_UCODE_REGULAR: Normal runtime ucode
 149  * @IWL_UCODE_INIT: Initial ucode
 150  * @IWL_UCODE_WOWLAN: Wake on Wireless enabled ucode
 151  */
 152 enum iwl_ucode_type {
 153         IWL_UCODE_REGULAR,
 154         IWL_UCODE_INIT,
 155         IWL_UCODE_WOWLAN,
 156         IWL_UCODE_TYPE_MAX,
 157 };
 158
 159 /*
 160  * enumeration of ucode section.
 161  * This enumeration is used directly for older firmware (before 16.0).
 162  * For new firmware, there can be up to 4 sections (see below) but the
 163  * first one packaged into the firmware file is the DATA section and
 164  * some debugging code accesses that.
 165  */
 166 enum iwl_ucode_sec {
 167         IWL_UCODE_SECTION_DATA,
 168         IWL_UCODE_SECTION_INST,
 169 };
 170 /*
 171  * For 16.0 uCode and above, there is no differentiation between sections,
 172  * just an offset to the HW address.
 173  */
 174 #define IWL_UCODE_SECTION_MAX 12
 175 #define IWL_API_ARRAY_SIZE      1
 176 #define IWL_CAPABILITIES_ARRAY_SIZE     1
 177 #define CPU1_CPU2_SEPARATOR_SECTION     0xFFFFCCCC
 178
 179 struct iwl_ucode_capabilities {
 180         u32 max_probe_length;
 181         u32 standard_phy_calibration_size;
 182         u32 flags;
 183         u32 api[IWL_API_ARRAY_SIZE];
 184         u32 capa[IWL_CAPABILITIES_ARRAY_SIZE];
 185 };
 186
 187 /* one for each uCode image (inst/data, init/runtime/wowlan) */
 188 struct fw_desc {
 189         const void *data;       /* vmalloc'ed data */
 190         u32 len;                /* size in bytes */
 191         u32 offset;             /* offset in the device */
 192 };
 193
 194 struct fw_img {
 195         struct fw_desc sec[IWL_UCODE_SECTION_MAX];
 196         bool is_secure;
 197         bool is_dual_cpus;
 198 };
 199
 200 struct iwl_sf_region {
 201         u32 addr;
 202         u32 size;
 203 };
 204
 205 /* uCode version contains 4 values: Major/Minor/API/Serial */
 206 #define IWL_UCODE_MAJOR(ver)    (((ver) & 0xFF000000) >> 24)
 207 #define IWL_UCODE_MINOR(ver)    (((ver) & 0x00FF0000) >> 16)
 208 #define IWL_UCODE_API(ver)      (((ver) & 0x0000FF00) >> 8)
 209 #define IWL_UCODE_SERIAL(ver)   ((ver) & 0x000000FF)
 210
 211 /*
 212  * Calibration control struct.
 213  * Sent as part of the phy configuration command.
 214  * @flow_trigger: bitmap for which calibrations to perform according to
 215  *              flow triggers.
 216  * @event_trigger: bitmap for which calibrations to perform according to
 217  *              event triggers.
 218  */
 219 struct iwl_tlv_calib_ctrl {
 220         __le32 flow_trigger;
 221         __le32 event_trigger;
 222 } __packed;
 223
 224 enum iwl_fw_phy_cfg {
 225         FW_PHY_CFG_RADIO_TYPE_POS = 0,
 226         FW_PHY_CFG_RADIO_TYPE = 0x3 << FW_PHY_CFG_RADIO_TYPE_POS,
 227         FW_PHY_CFG_RADIO_STEP_POS = 2,
 228         FW_PHY_CFG_RADIO_STEP = 0x3 << FW_PHY_CFG_RADIO_STEP_POS,
 229         FW_PHY_CFG_RADIO_DASH_POS = 4,
 230         FW_PHY_CFG_RADIO_DASH = 0x3 << FW_PHY_CFG_RADIO_DASH_POS,
 231         FW_PHY_CFG_TX_CHAIN_POS = 16,
 232         FW_PHY_CFG_TX_CHAIN = 0xf << FW_PHY_CFG_TX_CHAIN_POS,
 233         FW_PHY_CFG_RX_CHAIN_POS = 20,
 234         FW_PHY_CFG_RX_CHAIN = 0xf << FW_PHY_CFG_RX_CHAIN_POS,
 235 };
 236
 237 #define IWL_UCODE_MAX_CS                1
 238
 239 /**
 240  * struct iwl_fw_cipher_scheme - a cipher scheme supported by FW.
 241  * @cipher: a cipher suite selector
 242  * @flags: cipher scheme flags (currently reserved for a future use)
 243  * @hdr_len: a size of MPDU security header
 244  * @pn_len: a size of PN
 245  * @pn_off: an offset of pn from the beginning of the security header
 246  * @key_idx_off: an offset of key index byte in the security header
 247  * @key_idx_mask: a bit mask of key_idx bits
 248  * @key_idx_shift: bit shift needed to get key_idx
 249  * @mic_len: mic length in bytes
 250  * @hw_cipher: a HW cipher index used in host commands
 251  */
 252 struct iwl_fw_cipher_scheme {
 253         __le32 cipher;
 254         u8 flags;
 255         u8 hdr_len;
 256         u8 pn_len;
 257         u8 pn_off;
 258         u8 key_idx_off;
 259         u8 key_idx_mask;
 260         u8 key_idx_shift;
 261         u8 mic_len;
 262         u8 hw_cipher;
 263 } __packed;
 264
 265 /**
 266  * struct iwl_fw_cscheme_list - a cipher scheme list
 267  * @size: a number of entries
 268  * @cs: cipher scheme entries
 269  */
 270 struct iwl_fw_cscheme_list {
 271         u8 size;
 272         struct iwl_fw_cipher_scheme cs[];
 273 } __packed;
 274
 275 /**
 276  * struct iwl_fw - variables associated with the firmware
 277  *
 278  * @ucode_ver: ucode version from the ucode file
 279  * @fw_version: firmware version string
 280  * @img: ucode image like ucode_rt, ucode_init, ucode_wowlan.
 281  * @ucode_capa: capabilities parsed from the ucode file.
 282  * @enhance_sensitivity_table: device can do enhanced sensitivity.
 283  * @init_evtlog_ptr: event log offset for init ucode.
 284  * @init_evtlog_size: event log size for init ucode.
 285  * @init_errlog_ptr: error log offfset for init ucode.
 286  * @inst_evtlog_ptr: event log offset for runtime ucode.
 287  * @inst_evtlog_size: event log size for runtime ucode.
 288  * @inst_errlog_ptr: error log offfset for runtime ucode.
 289  * @mvm_fw: indicates this is MVM firmware
 290  * @cipher_scheme: optional external cipher scheme.
 291  */
 292 struct iwl_fw {
 293         u32 ucode_ver;
 294
 295         char fw_version[ETHTOOL_FWVERS_LEN];
 296
 297         /* ucode images */
 298         struct fw_img img[IWL_UCODE_TYPE_MAX];
 299
 300         struct iwl_ucode_capabilities ucode_capa;
 301         bool enhance_sensitivity_table;
 302
 303         u32 init_evtlog_ptr, init_evtlog_size, init_errlog_ptr;
 304         u32 inst_evtlog_ptr, inst_evtlog_size, inst_errlog_ptr;
 305
 306         struct iwl_tlv_calib_ctrl default_calib[IWL_UCODE_TYPE_MAX];
 307         u32 phy_config;
 308         u8 valid_tx_ant;
 309         u8 valid_rx_ant;
 310
 311         bool mvm_fw;
 312
 313         struct ieee80211_cipher_scheme cs[IWL_UCODE_MAX_CS];
 314 };
 315
 316 #endif  /* __iwl_fw_h__ */