/******************************************************************************
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*
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* This file is provided under a dual BSD/GPLv2 license. When using or
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* redistributing this file, you may do so under either license.
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*
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* GPL LICENSE SUMMARY
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*
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* Copyright(c) 2012 - 2014 Intel Corporation. All rights reserved.
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* Copyright(c) 2013 - 2015 Intel Mobile Communications GmbH
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* Copyright(c) 2016 - 2017 Intel Deutschland GmbH
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of version 2 of the GNU General Public License as
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* published by the Free Software Foundation.
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*
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* This program is distributed in the hope that it will be useful, but
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* WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* General Public License for more details.
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*
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* The full GNU General Public License is included in this distribution
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* in the file called COPYING.
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*
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* Contact Information:
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* Intel Linux Wireless <linuxwifi@intel.com>
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* Intel Corporation, 5200 N.E. Elam Young Parkway, Hillsboro, OR 97124-6497
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*
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* BSD LICENSE
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*
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* Copyright(c) 2012 - 2014 Intel Corporation. All rights reserved.
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* Copyright(c) 2013 - 2015 Intel Mobile Communications GmbH
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* Copyright(c) 2016 - 2017 Intel Deutschland GmbH
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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*
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* * Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* * Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in
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* the documentation and/or other materials provided with the
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* distribution.
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* * Neither the name Intel Corporation nor the names of its
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* contributors may be used to endorse or promote products derived
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* from this software without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
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* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
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* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
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* A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
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* OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
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* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
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* LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
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* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
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* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*
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*****************************************************************************/
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#ifndef __iwl_fw_api_filter_h__
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#define __iwl_fw_api_filter_h__
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#include "fw/api/mac.h"
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#define MAX_PORT_ID_NUM 2
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#define MAX_MCAST_FILTERING_ADDRESSES 256
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/**
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* struct iwl_mcast_filter_cmd - configure multicast filter.
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* @filter_own: Set 1 to filter out multicast packets sent by station itself
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* @port_id: Multicast MAC addresses array specifier. This is a strange way
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* to identify network interface adopted in host-device IF.
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* It is used by FW as index in array of addresses. This array has
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* MAX_PORT_ID_NUM members.
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* @count: Number of MAC addresses in the array
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* @pass_all: Set 1 to pass all multicast packets.
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* @bssid: current association BSSID.
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* @reserved: reserved
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* @addr_list: Place holder for array of MAC addresses.
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* IMPORTANT: add padding if necessary to ensure DWORD alignment.
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*/
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struct iwl_mcast_filter_cmd {
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u8 filter_own;
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u8 port_id;
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u8 count;
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u8 pass_all;
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u8 bssid[6];
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u8 reserved[2];
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u8 addr_list[0];
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} __packed; /* MCAST_FILTERING_CMD_API_S_VER_1 */
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#define MAX_BCAST_FILTERS 8
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#define MAX_BCAST_FILTER_ATTRS 2
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/**
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* enum iwl_mvm_bcast_filter_attr_offset - written by fw for each Rx packet
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* @BCAST_FILTER_OFFSET_PAYLOAD_START: offset is from payload start.
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* @BCAST_FILTER_OFFSET_IP_END: offset is from ip header end (i.e.
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* start of ip payload).
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*/
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enum iwl_mvm_bcast_filter_attr_offset {
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BCAST_FILTER_OFFSET_PAYLOAD_START = 0,
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BCAST_FILTER_OFFSET_IP_END = 1,
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};
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/**
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* struct iwl_fw_bcast_filter_attr - broadcast filter attribute
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* @offset_type: &enum iwl_mvm_bcast_filter_attr_offset.
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* @offset: starting offset of this pattern.
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* @reserved1: reserved
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* @val: value to match - big endian (MSB is the first
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* byte to match from offset pos).
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* @mask: mask to match (big endian).
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*/
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struct iwl_fw_bcast_filter_attr {
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u8 offset_type;
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u8 offset;
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__le16 reserved1;
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__be32 val;
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__be32 mask;
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} __packed; /* BCAST_FILTER_ATT_S_VER_1 */
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/**
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* enum iwl_mvm_bcast_filter_frame_type - filter frame type
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* @BCAST_FILTER_FRAME_TYPE_ALL: consider all frames.
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* @BCAST_FILTER_FRAME_TYPE_IPV4: consider only ipv4 frames
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*/
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enum iwl_mvm_bcast_filter_frame_type {
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BCAST_FILTER_FRAME_TYPE_ALL = 0,
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BCAST_FILTER_FRAME_TYPE_IPV4 = 1,
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};
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/**
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* struct iwl_fw_bcast_filter - broadcast filter
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* @discard: discard frame (1) or let it pass (0).
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* @frame_type: &enum iwl_mvm_bcast_filter_frame_type.
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* @reserved1: reserved
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* @num_attrs: number of valid attributes in this filter.
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* @attrs: attributes of this filter. a filter is considered matched
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* only when all its attributes are matched (i.e. AND relationship)
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*/
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struct iwl_fw_bcast_filter {
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u8 discard;
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u8 frame_type;
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u8 num_attrs;
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u8 reserved1;
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struct iwl_fw_bcast_filter_attr attrs[MAX_BCAST_FILTER_ATTRS];
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} __packed; /* BCAST_FILTER_S_VER_1 */
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/**
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* struct iwl_fw_bcast_mac - per-mac broadcast filtering configuration.
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* @default_discard: default action for this mac (discard (1) / pass (0)).
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* @reserved1: reserved
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* @attached_filters: bitmap of relevant filters for this mac.
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*/
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struct iwl_fw_bcast_mac {
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u8 default_discard;
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u8 reserved1;
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__le16 attached_filters;
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} __packed; /* BCAST_MAC_CONTEXT_S_VER_1 */
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/**
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* struct iwl_bcast_filter_cmd - broadcast filtering configuration
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* @disable: enable (0) / disable (1)
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* @max_bcast_filters: max number of filters (MAX_BCAST_FILTERS)
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* @max_macs: max number of macs (NUM_MAC_INDEX_DRIVER)
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* @reserved1: reserved
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* @filters: broadcast filters
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* @macs: broadcast filtering configuration per-mac
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*/
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struct iwl_bcast_filter_cmd {
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u8 disable;
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u8 max_bcast_filters;
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u8 max_macs;
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u8 reserved1;
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struct iwl_fw_bcast_filter filters[MAX_BCAST_FILTERS];
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struct iwl_fw_bcast_mac macs[NUM_MAC_INDEX_DRIVER];
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} __packed; /* BCAST_FILTERING_HCMD_API_S_VER_1 */
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#endif /* __iwl_fw_api_filter_h__ */
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