| /****************************************************************************** |
| * |
| * 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_mac_h__ |
| #define __fw_api_mac_h__ |
| |
| /* |
| * The first MAC indices (starting from 0) |
| * are available to the driver, AUX follows |
| */ |
| #define MAC_INDEX_AUX 4 |
| #define MAC_INDEX_MIN_DRIVER 0 |
| #define NUM_MAC_INDEX_DRIVER MAC_INDEX_AUX |
| |
| #define AC_NUM 4 /* Number of access categories */ |
| |
| /** |
| * enum iwl_mac_protection_flags - MAC context flags |
| * @MAC_PROT_FLG_TGG_PROTECT: 11g protection when transmitting OFDM frames, |
| * this will require CCK RTS/CTS2self. |
| * RTS/CTS will protect full burst time. |
| * @MAC_PROT_FLG_HT_PROT: enable HT protection |
| * @MAC_PROT_FLG_FAT_PROT: protect 40 MHz transmissions |
| * @MAC_PROT_FLG_SELF_CTS_EN: allow CTS2self |
| */ |
| enum iwl_mac_protection_flags { |
| MAC_PROT_FLG_TGG_PROTECT = BIT(3), |
| MAC_PROT_FLG_HT_PROT = BIT(23), |
| MAC_PROT_FLG_FAT_PROT = BIT(24), |
| MAC_PROT_FLG_SELF_CTS_EN = BIT(30), |
| }; |
| |
| #define MAC_FLG_SHORT_SLOT BIT(4) |
| #define MAC_FLG_SHORT_PREAMBLE BIT(5) |
| |
| /** |
| * enum iwl_mac_types - Supported MAC types |
| * @FW_MAC_TYPE_FIRST: lowest supported MAC type |
| * @FW_MAC_TYPE_AUX: Auxiliary MAC (internal) |
| * @FW_MAC_TYPE_LISTENER: monitor MAC type (?) |
| * @FW_MAC_TYPE_PIBSS: Pseudo-IBSS |
| * @FW_MAC_TYPE_IBSS: IBSS |
| * @FW_MAC_TYPE_BSS_STA: BSS (managed) station |
| * @FW_MAC_TYPE_P2P_DEVICE: P2P Device |
| * @FW_MAC_TYPE_P2P_STA: P2P client |
| * @FW_MAC_TYPE_GO: P2P GO |
| * @FW_MAC_TYPE_TEST: ? |
| * @FW_MAC_TYPE_MAX: highest support MAC type |
| */ |
| enum iwl_mac_types { |
| FW_MAC_TYPE_FIRST = 1, |
| FW_MAC_TYPE_AUX = FW_MAC_TYPE_FIRST, |
| FW_MAC_TYPE_LISTENER, |
| FW_MAC_TYPE_PIBSS, |
| FW_MAC_TYPE_IBSS, |
| FW_MAC_TYPE_BSS_STA, |
| FW_MAC_TYPE_P2P_DEVICE, |
| FW_MAC_TYPE_P2P_STA, |
| FW_MAC_TYPE_GO, |
| FW_MAC_TYPE_TEST, |
| FW_MAC_TYPE_MAX = FW_MAC_TYPE_TEST |
| }; /* MAC_CONTEXT_TYPE_API_E_VER_1 */ |
| |
| /** |
| * enum iwl_tsf_id - TSF hw timer ID |
| * @TSF_ID_A: use TSF A |
| * @TSF_ID_B: use TSF B |
| * @TSF_ID_C: use TSF C |
| * @TSF_ID_D: use TSF D |
| * @NUM_TSF_IDS: number of TSF timers available |
| */ |
| enum iwl_tsf_id { |
| TSF_ID_A = 0, |
| TSF_ID_B = 1, |
| TSF_ID_C = 2, |
| TSF_ID_D = 3, |
| NUM_TSF_IDS = 4, |
| }; /* TSF_ID_API_E_VER_1 */ |
| |
| /** |
| * struct iwl_mac_data_ap - configuration data for AP MAC context |
| * @beacon_time: beacon transmit time in system time |
| * @beacon_tsf: beacon transmit time in TSF |
| * @bi: beacon interval in TU |
| * @bi_reciprocal: 2^32 / bi |
| * @dtim_interval: dtim transmit time in TU |
| * @dtim_reciprocal: 2^32 / dtim_interval |
| * @mcast_qid: queue ID for multicast traffic |
| * @beacon_template: beacon template ID |
| */ |
| struct iwl_mac_data_ap { |
| __le32 beacon_time; |
| __le64 beacon_tsf; |
| __le32 bi; |
| __le32 bi_reciprocal; |
| __le32 dtim_interval; |
| __le32 dtim_reciprocal; |
| __le32 mcast_qid; |
| __le32 beacon_template; |
| } __packed; /* AP_MAC_DATA_API_S_VER_1 */ |
| |
| /** |
| * struct iwl_mac_data_ibss - configuration data for IBSS MAC context |
| * @beacon_time: beacon transmit time in system time |
| * @beacon_tsf: beacon transmit time in TSF |
| * @bi: beacon interval in TU |
| * @bi_reciprocal: 2^32 / bi |
| */ |
| struct iwl_mac_data_ibss { |
| __le32 beacon_time; |
| __le64 beacon_tsf; |
| __le32 bi; |
| __le32 bi_reciprocal; |
| } __packed; /* IBSS_MAC_DATA_API_S_VER_1 */ |
| |
| /** |
| * struct iwl_mac_data_sta - configuration data for station MAC context |
| * @is_assoc: 1 for associated state, 0 otherwise |
| * @dtim_time: DTIM arrival time in system time |
| * @dtim_tsf: DTIM arrival time in TSF |
| * @bi: beacon interval in TU, applicable only when associated |
| * @bi_reciprocal: 2^32 / bi , applicable only when associated |
| * @dtim_interval: DTIM interval in TU, applicable only when associated |
| * @dtim_reciprocal: 2^32 / dtim_interval , applicable only when associated |
| * @listen_interval: in beacon intervals, applicable only when associated |
| * @assoc_id: unique ID assigned by the AP during association |
| */ |
| struct iwl_mac_data_sta { |
| __le32 is_assoc; |
| __le32 dtim_time; |
| __le64 dtim_tsf; |
| __le32 bi; |
| __le32 bi_reciprocal; |
| __le32 dtim_interval; |
| __le32 dtim_reciprocal; |
| __le32 listen_interval; |
| __le32 assoc_id; |
| __le32 assoc_beacon_arrive_time; |
| } __packed; /* STA_MAC_DATA_API_S_VER_1 */ |
| |
| /** |
| * struct iwl_mac_data_go - configuration data for P2P GO MAC context |
| * @ap: iwl_mac_data_ap struct with most config data |
| * @ctwin: client traffic window in TU (period after TBTT when GO is present). |
| * 0 indicates that there is no CT window. |
| * @opp_ps_enabled: indicate that opportunistic PS allowed |
| */ |
| struct iwl_mac_data_go { |
| struct iwl_mac_data_ap ap; |
| __le32 ctwin; |
| __le32 opp_ps_enabled; |
| } __packed; /* GO_MAC_DATA_API_S_VER_1 */ |
| |
| /** |
| * struct iwl_mac_data_p2p_sta - configuration data for P2P client MAC context |
| * @sta: iwl_mac_data_sta struct with most config data |
| * @ctwin: client traffic window in TU (period after TBTT when GO is present). |
| * 0 indicates that there is no CT window. |
| */ |
| struct iwl_mac_data_p2p_sta { |
| struct iwl_mac_data_sta sta; |
| __le32 ctwin; |
| } __packed; /* P2P_STA_MAC_DATA_API_S_VER_1 */ |
| |
| /** |
| * struct iwl_mac_data_pibss - Pseudo IBSS config data |
| * @stats_interval: interval in TU between statistics notifications to host. |
| */ |
| struct iwl_mac_data_pibss { |
| __le32 stats_interval; |
| } __packed; /* PIBSS_MAC_DATA_API_S_VER_1 */ |
| |
| /* |
| * struct iwl_mac_data_p2p_dev - configuration data for the P2P Device MAC |
| * context. |
| * @is_disc_extended: if set to true, P2P Device discoverability is enabled on |
| * other channels as well. This should be to true only in case that the |
| * device is discoverable and there is an active GO. Note that setting this |
| * field when not needed, will increase the number of interrupts and have |
| * effect on the platform power, as this setting opens the Rx filters on |
| * all macs. |
| */ |
| struct iwl_mac_data_p2p_dev { |
| __le32 is_disc_extended; |
| } __packed; /* _P2P_DEV_MAC_DATA_API_S_VER_1 */ |
| |
| /** |
| * enum iwl_mac_filter_flags - MAC context filter flags |
| * @MAC_FILTER_IN_PROMISC: accept all data frames |
| * @MAC_FILTER_IN_CONTROL_AND_MGMT: pass all mangement and |
| * control frames to the host |
| * @MAC_FILTER_ACCEPT_GRP: accept multicast frames |
| * @MAC_FILTER_DIS_DECRYPT: don't decrypt unicast frames |
| * @MAC_FILTER_DIS_GRP_DECRYPT: don't decrypt multicast frames |
| * @MAC_FILTER_IN_BEACON: transfer foreign BSS's beacons to host |
| * (in station mode when associated) |
| * @MAC_FILTER_OUT_BCAST: filter out all broadcast frames |
| * @MAC_FILTER_IN_CRC32: extract FCS and append it to frames |
| * @MAC_FILTER_IN_PROBE_REQUEST: pass probe requests to host |
| */ |
| enum iwl_mac_filter_flags { |
| MAC_FILTER_IN_PROMISC = BIT(0), |
| MAC_FILTER_IN_CONTROL_AND_MGMT = BIT(1), |
| MAC_FILTER_ACCEPT_GRP = BIT(2), |
| MAC_FILTER_DIS_DECRYPT = BIT(3), |
| MAC_FILTER_DIS_GRP_DECRYPT = BIT(4), |
| MAC_FILTER_IN_BEACON = BIT(6), |
| MAC_FILTER_OUT_BCAST = BIT(8), |
| MAC_FILTER_IN_CRC32 = BIT(11), |
| MAC_FILTER_IN_PROBE_REQUEST = BIT(12), |
| }; |
| |
| /** |
| * enum iwl_mac_qos_flags - QoS flags |
| * @MAC_QOS_FLG_UPDATE_EDCA: ? |
| * @MAC_QOS_FLG_TGN: HT is enabled |
| * @MAC_QOS_FLG_TXOP_TYPE: ? |
| * |
| */ |
| enum iwl_mac_qos_flags { |
| MAC_QOS_FLG_UPDATE_EDCA = BIT(0), |
| MAC_QOS_FLG_TGN = BIT(1), |
| MAC_QOS_FLG_TXOP_TYPE = BIT(4), |
| }; |
| |
| /** |
| * struct iwl_ac_qos - QOS timing params for MAC_CONTEXT_CMD |
| * @cw_min: Contention window, start value in numbers of slots. |
| * Should be a power-of-2, minus 1. Device's default is 0x0f. |
| * @cw_max: Contention window, max value in numbers of slots. |
| * Should be a power-of-2, minus 1. Device's default is 0x3f. |
| * @aifsn: Number of slots in Arbitration Interframe Space (before |
| * performing random backoff timing prior to Tx). Device default 1. |
| * @fifos_mask: FIFOs used by this MAC for this AC |
| * @edca_txop: Length of Tx opportunity, in uSecs. Device default is 0. |
| * |
| * One instance of this config struct for each of 4 EDCA access categories |
| * in struct iwl_qosparam_cmd. |
| * |
| * Device will automatically increase contention window by (2*CW) + 1 for each |
| * transmission retry. Device uses cw_max as a bit mask, ANDed with new CW |
| * value, to cap the CW value. |
| */ |
| struct iwl_ac_qos { |
| __le16 cw_min; |
| __le16 cw_max; |
| u8 aifsn; |
| u8 fifos_mask; |
| __le16 edca_txop; |
| } __packed; /* AC_QOS_API_S_VER_2 */ |
| |
| /** |
| * struct iwl_mac_ctx_cmd - command structure to configure MAC contexts |
| * ( MAC_CONTEXT_CMD = 0x28 ) |
| * @id_and_color: ID and color of the MAC |
| * @action: action to perform, one of FW_CTXT_ACTION_* |
| * @mac_type: one of FW_MAC_TYPE_* |
| * @tsd_id: TSF HW timer, one of TSF_ID_* |
| * @node_addr: MAC address |
| * @bssid_addr: BSSID |
| * @cck_rates: basic rates available for CCK |
| * @ofdm_rates: basic rates available for OFDM |
| * @protection_flags: combination of MAC_PROT_FLG_FLAG_* |
| * @cck_short_preamble: 0x20 for enabling short preamble, 0 otherwise |
| * @short_slot: 0x10 for enabling short slots, 0 otherwise |
| * @filter_flags: combination of MAC_FILTER_* |
| * @qos_flags: from MAC_QOS_FLG_* |
| * @ac: one iwl_mac_qos configuration for each AC |
| * @mac_specific: one of struct iwl_mac_data_*, according to mac_type |
| */ |
| struct iwl_mac_ctx_cmd { |
| /* COMMON_INDEX_HDR_API_S_VER_1 */ |
| __le32 id_and_color; |
| __le32 action; |
| /* MAC_CONTEXT_COMMON_DATA_API_S_VER_1 */ |
| __le32 mac_type; |
| __le32 tsf_id; |
| u8 node_addr[6]; |
| __le16 reserved_for_node_addr; |
| u8 bssid_addr[6]; |
| __le16 reserved_for_bssid_addr; |
| __le32 cck_rates; |
| __le32 ofdm_rates; |
| __le32 protection_flags; |
| __le32 cck_short_preamble; |
| __le32 short_slot; |
| __le32 filter_flags; |
| /* MAC_QOS_PARAM_API_S_VER_1 */ |
| __le32 qos_flags; |
| struct iwl_ac_qos ac[AC_NUM+1]; |
| /* MAC_CONTEXT_COMMON_DATA_API_S */ |
| union { |
| struct iwl_mac_data_ap ap; |
| struct iwl_mac_data_go go; |
| struct iwl_mac_data_sta sta; |
| struct iwl_mac_data_p2p_sta p2p_sta; |
| struct iwl_mac_data_p2p_dev p2p_dev; |
| struct iwl_mac_data_pibss pibss; |
| struct iwl_mac_data_ibss ibss; |
| }; |
| } __packed; /* MAC_CONTEXT_CMD_API_S_VER_1 */ |
| |
| static inline u32 iwl_mvm_reciprocal(u32 v) |
| { |
| if (!v) |
| return 0; |
| return 0xFFFFFFFF / v; |
| } |
| |
| #endif /* __fw_api_mac_h__ */ |
