diff options
Diffstat (limited to 'drivers/net/wireless/iwlwifi/mvm/fw-api-sta.h')
| -rw-r--r-- | drivers/net/wireless/iwlwifi/mvm/fw-api-sta.h | 380 |
1 files changed, 380 insertions, 0 deletions
diff --git a/drivers/net/wireless/iwlwifi/mvm/fw-api-sta.h b/drivers/net/wireless/iwlwifi/mvm/fw-api-sta.h new file mode 100644 index 00000000000..0acb53dda22 --- /dev/null +++ b/drivers/net/wireless/iwlwifi/mvm/fw-api-sta.h @@ -0,0 +1,380 @@ +/****************************************************************************** + * + * 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 - 2013 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 LICENSE.GPL. + * + * 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 - 2013 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_INVALID = BIT(9), + STA_FLG_DLP_EN = BIT(10), + STA_FLG_SET_ALL_KEYS = BIT(11), + 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_EN_MSK: mask for encryption algorithm + * @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_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: + */ +enum iwl_sta_sleep_flag { + STA_SLEEP_STATE_AWAKE = 0, + STA_SLEEP_STATE_PS_POLL = BIT(0), + STA_SLEEP_STATE_UAPSD = BIT(1), +}; + +/* 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 station table + * ( REPLY_ADD_STA = 0x18 ) + * @add_modify: 1: modify existing, 0: add new station + * @unicast_tx_key_id: unicast tx key id. Relevant only when unicast key sent + * @multicast_tx_key_id: multicast tx key id. Relevant only when multicast key + * sent + * @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. + * @key: look at %iwl_mvm_keyinfo + * @station_flags: look at %iwl_sta_flags + * @station_flags_msk: what of %station_flags have changed + * @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. + * @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 unicast_tx_key_id; + u8 multicast_tx_key_id; + u8 reserved1; + __le32 mac_id_n_color; + u8 addr[ETH_ALEN]; + __le16 reserved2; + u8 sta_id; + u8 modify_mask; + __le16 reserved3; + struct iwl_mvm_keyinfo key; + __le32 station_flags; + __le32 station_flags_msk; + __le16 tid_disable_tx; + __le16 reserved4; + 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_5 */ + +/** + * 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 */ + + +#endif /* __fw_api_sta_h__ */ |