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linux/drivers/net/wireless/iwlwifi/mvm/fw-api-sta.h

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/******************************************************************************
*
* This file is provided under a dual BSD/GPLv2 license. When using or
* redistributing this file, you may do so under either license.
*
* GPL LICENSE SUMMARY
*
* Copyright(c) 2012 - 2014 Intel Corporation. All rights reserved.
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of version 2 of the GNU General Public License as
* published by the Free Software Foundation.
*
* This program is distributed in the hope that it will be useful, but
* WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110,
* USA
*
* The full GNU General Public License is included in this distribution
* in the file called COPYING.
*
* Contact Information:
* Intel Linux Wireless <ilw@linux.intel.com>
* Intel Corporation, 5200 N.E. Elam Young Parkway, Hillsboro, OR 97124-6497
*
* BSD LICENSE
*
* Copyright(c) 2012 - 2014 Intel Corporation. All rights reserved.
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
*
* * Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* * Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in
* the documentation and/or other materials provided with the
* distribution.
* * Neither the name Intel Corporation nor the names of its
* contributors may be used to endorse or promote products derived
* from this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
* A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
* OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
* LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*****************************************************************************/
#ifndef __fw_api_sta_h__
#define __fw_api_sta_h__
/**
* enum iwl_sta_flags - flags for the ADD_STA host command
* @STA_FLG_REDUCED_TX_PWR_CTRL:
* @STA_FLG_REDUCED_TX_PWR_DATA:
* @STA_FLG_FLG_ANT_MSK: Antenna selection
* @STA_FLG_PS: set if STA is in Power Save
* @STA_FLG_INVALID: set if STA is invalid
* @STA_FLG_DLP_EN: Direct Link Protocol is enabled
* @STA_FLG_SET_ALL_KEYS: the current key applies to all key IDs
* @STA_FLG_DRAIN_FLOW: drain flow
* @STA_FLG_PAN: STA is for PAN interface
* @STA_FLG_CLASS_AUTH:
* @STA_FLG_CLASS_ASSOC:
* @STA_FLG_CLASS_MIMO_PROT:
* @STA_FLG_MAX_AGG_SIZE_MSK: maximal size for A-MPDU
* @STA_FLG_AGG_MPDU_DENS_MSK: maximal MPDU density for Tx aggregation
* @STA_FLG_FAT_EN_MSK: support for channel width (for Tx). This flag is
* initialised by driver and can be updated by fw upon reception of
* action frames that can change the channel width. When cleared the fw
* will send all the frames in 20MHz even when FAT channel is requested.
* @STA_FLG_MIMO_EN_MSK: support for MIMO. This flag is initialised by the
* driver and can be updated by fw upon reception of action frames.
* @STA_FLG_MFP_EN: Management Frame Protection
*/
enum iwl_sta_flags {
STA_FLG_REDUCED_TX_PWR_CTRL = BIT(3),
STA_FLG_REDUCED_TX_PWR_DATA = BIT(6),
STA_FLG_FLG_ANT_A = (1 << 4),
STA_FLG_FLG_ANT_B = (2 << 4),
STA_FLG_FLG_ANT_MSK = (STA_FLG_FLG_ANT_A |
STA_FLG_FLG_ANT_B),
STA_FLG_PS = BIT(8),
STA_FLG_DRAIN_FLOW = BIT(12),
STA_FLG_PAN = BIT(13),
STA_FLG_CLASS_AUTH = BIT(14),
STA_FLG_CLASS_ASSOC = BIT(15),
STA_FLG_RTS_MIMO_PROT = BIT(17),
STA_FLG_MAX_AGG_SIZE_SHIFT = 19,
STA_FLG_MAX_AGG_SIZE_8K = (0 << STA_FLG_MAX_AGG_SIZE_SHIFT),
STA_FLG_MAX_AGG_SIZE_16K = (1 << STA_FLG_MAX_AGG_SIZE_SHIFT),
STA_FLG_MAX_AGG_SIZE_32K = (2 << STA_FLG_MAX_AGG_SIZE_SHIFT),
STA_FLG_MAX_AGG_SIZE_64K = (3 << STA_FLG_MAX_AGG_SIZE_SHIFT),
STA_FLG_MAX_AGG_SIZE_128K = (4 << STA_FLG_MAX_AGG_SIZE_SHIFT),
STA_FLG_MAX_AGG_SIZE_256K = (5 << STA_FLG_MAX_AGG_SIZE_SHIFT),
STA_FLG_MAX_AGG_SIZE_512K = (6 << STA_FLG_MAX_AGG_SIZE_SHIFT),
STA_FLG_MAX_AGG_SIZE_1024K = (7 << STA_FLG_MAX_AGG_SIZE_SHIFT),
STA_FLG_MAX_AGG_SIZE_MSK = (7 << STA_FLG_MAX_AGG_SIZE_SHIFT),
STA_FLG_AGG_MPDU_DENS_SHIFT = 23,
STA_FLG_AGG_MPDU_DENS_2US = (4 << STA_FLG_AGG_MPDU_DENS_SHIFT),
STA_FLG_AGG_MPDU_DENS_4US = (5 << STA_FLG_AGG_MPDU_DENS_SHIFT),
STA_FLG_AGG_MPDU_DENS_8US = (6 << STA_FLG_AGG_MPDU_DENS_SHIFT),
STA_FLG_AGG_MPDU_DENS_16US = (7 << STA_FLG_AGG_MPDU_DENS_SHIFT),
STA_FLG_AGG_MPDU_DENS_MSK = (7 << STA_FLG_AGG_MPDU_DENS_SHIFT),
STA_FLG_FAT_EN_20MHZ = (0 << 26),
STA_FLG_FAT_EN_40MHZ = (1 << 26),
STA_FLG_FAT_EN_80MHZ = (2 << 26),
STA_FLG_FAT_EN_160MHZ = (3 << 26),
STA_FLG_FAT_EN_MSK = (3 << 26),
STA_FLG_MIMO_EN_SISO = (0 << 28),
STA_FLG_MIMO_EN_MIMO2 = (1 << 28),
STA_FLG_MIMO_EN_MIMO3 = (2 << 28),
STA_FLG_MIMO_EN_MSK = (3 << 28),
};
/**
* enum iwl_sta_key_flag - key flags for the ADD_STA host command
* @STA_KEY_FLG_NO_ENC: no encryption
* @STA_KEY_FLG_WEP: WEP encryption algorithm
* @STA_KEY_FLG_CCM: CCMP encryption algorithm
* @STA_KEY_FLG_TKIP: TKIP encryption algorithm
* @STA_KEY_FLG_EXT: extended cipher algorithm (depends on the FW support)
* @STA_KEY_FLG_CMAC: CMAC encryption algorithm
* @STA_KEY_FLG_ENC_UNKNOWN: unknown encryption algorithm
* @STA_KEY_FLG_EN_MSK: mask for encryption algorithmi value
* @STA_KEY_FLG_WEP_KEY_MAP: wep is either a group key (0 - legacy WEP) or from
* station info array (1 - n 1X mode)
* @STA_KEY_FLG_KEYID_MSK: the index of the key
* @STA_KEY_NOT_VALID: key is invalid
* @STA_KEY_FLG_WEP_13BYTES: set for 13 bytes WEP key
* @STA_KEY_MULTICAST: set for multical key
* @STA_KEY_MFP: key is used for Management Frame Protection
*/
enum iwl_sta_key_flag {
STA_KEY_FLG_NO_ENC = (0 << 0),
STA_KEY_FLG_WEP = (1 << 0),
STA_KEY_FLG_CCM = (2 << 0),
STA_KEY_FLG_TKIP = (3 << 0),
STA_KEY_FLG_EXT = (4 << 0),
STA_KEY_FLG_CMAC = (6 << 0),
STA_KEY_FLG_ENC_UNKNOWN = (7 << 0),
STA_KEY_FLG_EN_MSK = (7 << 0),
STA_KEY_FLG_WEP_KEY_MAP = BIT(3),
STA_KEY_FLG_KEYID_POS = 8,
STA_KEY_FLG_KEYID_MSK = (3 << STA_KEY_FLG_KEYID_POS),
STA_KEY_NOT_VALID = BIT(11),
STA_KEY_FLG_WEP_13BYTES = BIT(12),
STA_KEY_MULTICAST = BIT(14),
STA_KEY_MFP = BIT(15),
};
/**
* enum iwl_sta_modify_flag - indicate to the fw what flag are being changed
* @STA_MODIFY_KEY: this command modifies %key
* @STA_MODIFY_TID_DISABLE_TX: this command modifies %tid_disable_tx
* @STA_MODIFY_TX_RATE: unused
* @STA_MODIFY_ADD_BA_TID: this command modifies %add_immediate_ba_tid
* @STA_MODIFY_REMOVE_BA_TID: this command modifies %remove_immediate_ba_tid
* @STA_MODIFY_SLEEPING_STA_TX_COUNT: this command modifies %sleep_tx_count
* @STA_MODIFY_PROT_TH:
* @STA_MODIFY_QUEUES: modify the queues used by this station
*/
enum iwl_sta_modify_flag {
STA_MODIFY_KEY = BIT(0),
STA_MODIFY_TID_DISABLE_TX = BIT(1),
STA_MODIFY_TX_RATE = BIT(2),
STA_MODIFY_ADD_BA_TID = BIT(3),
STA_MODIFY_REMOVE_BA_TID = BIT(4),
STA_MODIFY_SLEEPING_STA_TX_COUNT = BIT(5),
STA_MODIFY_PROT_TH = BIT(6),
STA_MODIFY_QUEUES = BIT(7),
};
#define STA_MODE_MODIFY 1
/**
* enum iwl_sta_sleep_flag - type of sleep of the station
* @STA_SLEEP_STATE_AWAKE:
* @STA_SLEEP_STATE_PS_POLL:
* @STA_SLEEP_STATE_UAPSD:
* @STA_SLEEP_STATE_MOREDATA: set more-data bit on
* (last) released frame
*/
enum iwl_sta_sleep_flag {
STA_SLEEP_STATE_AWAKE = 0,
STA_SLEEP_STATE_PS_POLL = BIT(0),
STA_SLEEP_STATE_UAPSD = BIT(1),
STA_SLEEP_STATE_MOREDATA = BIT(2),
};
/* STA ID and color bits definitions */
#define STA_ID_SEED (0x0f)
#define STA_ID_POS (0)
#define STA_ID_MSK (STA_ID_SEED << STA_ID_POS)
#define STA_COLOR_SEED (0x7)
#define STA_COLOR_POS (4)
#define STA_COLOR_MSK (STA_COLOR_SEED << STA_COLOR_POS)
#define STA_ID_N_COLOR_GET_COLOR(id_n_color) \
(((id_n_color) & STA_COLOR_MSK) >> STA_COLOR_POS)
#define STA_ID_N_COLOR_GET_ID(id_n_color) \
(((id_n_color) & STA_ID_MSK) >> STA_ID_POS)
#define STA_KEY_MAX_NUM (16)
#define STA_KEY_IDX_INVALID (0xff)
#define STA_KEY_MAX_DATA_KEY_NUM (4)
#define IWL_MAX_GLOBAL_KEYS (4)
#define STA_KEY_LEN_WEP40 (5)
#define STA_KEY_LEN_WEP104 (13)
/**
* struct iwl_mvm_keyinfo - key information
* @key_flags: type %iwl_sta_key_flag
* @tkip_rx_tsc_byte2: TSC[2] for key mix ph1 detection
* @tkip_rx_ttak: 10-byte unicast TKIP TTAK for Rx
* @key_offset: key offset in the fw's key table
* @key: 16-byte unicast decryption key
* @tx_secur_seq_cnt: initial RSC / PN needed for replay check
* @hw_tkip_mic_rx_key: byte: MIC Rx Key - used for TKIP only
* @hw_tkip_mic_tx_key: byte: MIC Tx Key - used for TKIP only
*/
struct iwl_mvm_keyinfo {
__le16 key_flags;
u8 tkip_rx_tsc_byte2;
u8 reserved1;
__le16 tkip_rx_ttak[5];
u8 key_offset;
u8 reserved2;
u8 key[16];
__le64 tx_secur_seq_cnt;
__le64 hw_tkip_mic_rx_key;
__le64 hw_tkip_mic_tx_key;
} __packed;
/**
* struct iwl_mvm_add_sta_cmd - Add/modify a station in the fw's sta table.
* ( REPLY_ADD_STA = 0x18 )
* @add_modify: 1: modify existing, 0: add new station
* @awake_acs:
* @tid_disable_tx: is tid BIT(tid) enabled for Tx. Clear BIT(x) to enable
* AMPDU for tid x. Set %STA_MODIFY_TID_DISABLE_TX to change this field.
* @mac_id_n_color: the Mac context this station belongs to
* @addr[ETH_ALEN]: station's MAC address
* @sta_id: index of station in uCode's station table
* @modify_mask: STA_MODIFY_*, selects which parameters to modify vs. leave
* alone. 1 - modify, 0 - don't change.
* @station_flags: look at %iwl_sta_flags
* @station_flags_msk: what of %station_flags have changed
* @add_immediate_ba_tid: tid for which to add block-ack support (Rx)
* Set %STA_MODIFY_ADD_BA_TID to use this field, and also set
* add_immediate_ba_ssn.
* @remove_immediate_ba_tid: tid for which to remove block-ack support (Rx)
* Set %STA_MODIFY_REMOVE_BA_TID to use this field
* @add_immediate_ba_ssn: ssn for the Rx block-ack session. Used together with
* add_immediate_ba_tid.
* @sleep_tx_count: number of packets to transmit to station even though it is
* asleep. Used to synchronise PS-poll and u-APSD responses while ucode
* keeps track of STA sleep state.
* @sleep_state_flags: Look at %iwl_sta_sleep_flag.
* @assoc_id: assoc_id to be sent in VHT PLCP (9-bit), for grp use 0, for AP
* mac-addr.
* @beamform_flags: beam forming controls
* @tfd_queue_msk: tfd queues used by this station
*
* The device contains an internal table of per-station information, with info
* on security keys, aggregation parameters, and Tx rates for initial Tx
* attempt and any retries (set by REPLY_TX_LINK_QUALITY_CMD).
*
* ADD_STA sets up the table entry for one station, either creating a new
* entry, or modifying a pre-existing one.
*/
struct iwl_mvm_add_sta_cmd {
u8 add_modify;
u8 awake_acs;
__le16 tid_disable_tx;
__le32 mac_id_n_color;
u8 addr[ETH_ALEN]; /* _STA_ID_MODIFY_INFO_API_S_VER_1 */
__le16 reserved2;
u8 sta_id;
u8 modify_mask;
__le16 reserved3;
__le32 station_flags;
__le32 station_flags_msk;
u8 add_immediate_ba_tid;
u8 remove_immediate_ba_tid;
__le16 add_immediate_ba_ssn;
__le16 sleep_tx_count;
__le16 sleep_state_flags;
__le16 assoc_id;
__le16 beamform_flags;
__le32 tfd_queue_msk;
} __packed; /* ADD_STA_CMD_API_S_VER_7 */
/**
* struct iwl_mvm_add_sta_key_cmd - add/modify sta key
* ( REPLY_ADD_STA_KEY = 0x17 )
* @sta_id: index of station in uCode's station table
* @key_offset: key offset in key storage
* @key_flags: type %iwl_sta_key_flag
* @key: key material data
* @key2: key material data
* @rx_secur_seq_cnt: RX security sequence counter for the key
* @tkip_rx_tsc_byte2: TSC[2] for key mix ph1 detection
* @tkip_rx_ttak: 10-byte unicast TKIP TTAK for Rx
*/
struct iwl_mvm_add_sta_key_cmd {
u8 sta_id;
u8 key_offset;
__le16 key_flags;
u8 key[16];
u8 key2[16];
u8 rx_secur_seq_cnt[16];
u8 tkip_rx_tsc_byte2;
u8 reserved;
__le16 tkip_rx_ttak[5];
} __packed; /* ADD_MODIFY_STA_KEY_API_S_VER_1 */
/**
* enum iwl_mvm_add_sta_rsp_status - status in the response to ADD_STA command
* @ADD_STA_SUCCESS: operation was executed successfully
* @ADD_STA_STATIONS_OVERLOAD: no room left in the fw's station table
* @ADD_STA_IMMEDIATE_BA_FAILURE: can't add Rx block ack session
* @ADD_STA_MODIFY_NON_EXISTING_STA: driver requested to modify a station that
* doesn't exist.
*/
enum iwl_mvm_add_sta_rsp_status {
ADD_STA_SUCCESS = 0x1,
ADD_STA_STATIONS_OVERLOAD = 0x2,
ADD_STA_IMMEDIATE_BA_FAILURE = 0x4,
ADD_STA_MODIFY_NON_EXISTING_STA = 0x8,
};
/**
* struct iwl_mvm_rm_sta_cmd - Add / modify a station in the fw's station table
* ( REMOVE_STA = 0x19 )
* @sta_id: the station id of the station to be removed
*/
struct iwl_mvm_rm_sta_cmd {
u8 sta_id;
u8 reserved[3];
} __packed; /* REMOVE_STA_CMD_API_S_VER_2 */
/**
* struct iwl_mvm_mgmt_mcast_key_cmd
* ( MGMT_MCAST_KEY = 0x1f )
* @ctrl_flags: %iwl_sta_key_flag
* @IGTK:
* @K1: IGTK master key
* @K2: IGTK sub key
* @sta_id: station ID that support IGTK
* @key_id:
* @receive_seq_cnt: initial RSC/PN needed for replay check
*/
struct iwl_mvm_mgmt_mcast_key_cmd {
__le32 ctrl_flags;
u8 IGTK[16];
u8 K1[16];
u8 K2[16];
__le32 key_id;
__le32 sta_id;
__le64 receive_seq_cnt;
} __packed; /* SEC_MGMT_MULTICAST_KEY_CMD_API_S_VER_1 */
struct iwl_mvm_wep_key {
u8 key_index;
u8 key_offset;
__le16 reserved1;
u8 key_size;
u8 reserved2[3];
u8 key[16];
} __packed;
struct iwl_mvm_wep_key_cmd {
__le32 mac_id_n_color;
u8 num_keys;
u8 decryption_type;
u8 flags;
u8 reserved;
struct iwl_mvm_wep_key wep_key[0];
} __packed; /* SEC_CURR_WEP_KEY_CMD_API_S_VER_2 */
/**
* struct iwl_mvm_eosp_notification - EOSP notification from firmware
* @remain_frame_count: # of frames remaining, non-zero if SP was cut
* short by GO absence
* @sta_id: station ID
*/
struct iwl_mvm_eosp_notification {
__le32 remain_frame_count;
__le32 sta_id;
} __packed; /* UAPSD_EOSP_NTFY_API_S_VER_1 */
#endif /* __fw_api_sta_h__ */
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