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/* SPDX-License-Identifier: GPL-2.0 OR BSD-3-Clause */
/*
* Copyright (C) 2012-2014 Intel Corporation
* Copyright (C) 2013-2015 Intel Mobile Communications GmbH
* Copyright (C) 2016-2017 Intel Deutschland GmbH
*/
#ifndef __iwl_fw_api_filter_h__
#define __iwl_fw_api_filter_h__
#include "fw/api/mac.h"
#define MAX_PORT_ID_NUM 2
#define MAX_MCAST_FILTERING_ADDRESSES 256
/**
* struct iwl_mcast_filter_cmd - configure multicast filter.
* @filter_own: Set 1 to filter out multicast packets sent by station itself
* @port_id: Multicast MAC addresses array specifier. This is a strange way
* to identify network interface adopted in host-device IF.
* It is used by FW as index in array of addresses. This array has
* MAX_PORT_ID_NUM members.
* @count: Number of MAC addresses in the array
* @pass_all: Set 1 to pass all multicast packets.
* @bssid: current association BSSID.
* @reserved: reserved
* @addr_list: Place holder for array of MAC addresses.
* IMPORTANT: add padding if necessary to ensure DWORD alignment.
*/
struct iwl_mcast_filter_cmd {
u8 filter_own;
u8 port_id;
u8 count;
u8 pass_all;
u8 bssid[6];
u8 reserved[2];
u8 addr_list[0];
} __packed; /* MCAST_FILTERING_CMD_API_S_VER_1 */
#define MAX_BCAST_FILTERS 8
#define MAX_BCAST_FILTER_ATTRS 2
/**
* enum iwl_mvm_bcast_filter_attr_offset - written by fw for each Rx packet
* @BCAST_FILTER_OFFSET_PAYLOAD_START: offset is from payload start.
* @BCAST_FILTER_OFFSET_IP_END: offset is from ip header end (i.e.
* start of ip payload).
*/
enum iwl_mvm_bcast_filter_attr_offset {
BCAST_FILTER_OFFSET_PAYLOAD_START = 0,
BCAST_FILTER_OFFSET_IP_END = 1,
};
/**
* struct iwl_fw_bcast_filter_attr - broadcast filter attribute
* @offset_type: &enum iwl_mvm_bcast_filter_attr_offset.
* @offset: starting offset of this pattern.
* @reserved1: reserved
* @val: value to match - big endian (MSB is the first
* byte to match from offset pos).
* @mask: mask to match (big endian).
*/
struct iwl_fw_bcast_filter_attr {
u8 offset_type;
u8 offset;
__le16 reserved1;
__be32 val;
__be32 mask;
} __packed; /* BCAST_FILTER_ATT_S_VER_1 */
/**
* enum iwl_mvm_bcast_filter_frame_type - filter frame type
* @BCAST_FILTER_FRAME_TYPE_ALL: consider all frames.
* @BCAST_FILTER_FRAME_TYPE_IPV4: consider only ipv4 frames
*/
enum iwl_mvm_bcast_filter_frame_type {
BCAST_FILTER_FRAME_TYPE_ALL = 0,
BCAST_FILTER_FRAME_TYPE_IPV4 = 1,
};
/**
* struct iwl_fw_bcast_filter - broadcast filter
* @discard: discard frame (1) or let it pass (0).
* @frame_type: &enum iwl_mvm_bcast_filter_frame_type.
* @reserved1: reserved
* @num_attrs: number of valid attributes in this filter.
* @attrs: attributes of this filter. a filter is considered matched
* only when all its attributes are matched (i.e. AND relationship)
*/
struct iwl_fw_bcast_filter {
u8 discard;
u8 frame_type;
u8 num_attrs;
u8 reserved1;
struct iwl_fw_bcast_filter_attr attrs[MAX_BCAST_FILTER_ATTRS];
} __packed; /* BCAST_FILTER_S_VER_1 */
/**
* struct iwl_fw_bcast_mac - per-mac broadcast filtering configuration.
* @default_discard: default action for this mac (discard (1) / pass (0)).
* @reserved1: reserved
* @attached_filters: bitmap of relevant filters for this mac.
*/
struct iwl_fw_bcast_mac {
u8 default_discard;
u8 reserved1;
__le16 attached_filters;
} __packed; /* BCAST_MAC_CONTEXT_S_VER_1 */
/**
* struct iwl_bcast_filter_cmd - broadcast filtering configuration
* @disable: enable (0) / disable (1)
* @max_bcast_filters: max number of filters (MAX_BCAST_FILTERS)
* @max_macs: max number of macs (NUM_MAC_INDEX_DRIVER)
* @reserved1: reserved
* @filters: broadcast filters
* @macs: broadcast filtering configuration per-mac
*/
struct iwl_bcast_filter_cmd {
u8 disable;
u8 max_bcast_filters;
u8 max_macs;
u8 reserved1;
struct iwl_fw_bcast_filter filters[MAX_BCAST_FILTERS];
struct iwl_fw_bcast_mac macs[NUM_MAC_INDEX_DRIVER];
} __packed; /* BCAST_FILTERING_HCMD_API_S_VER_1 */
#endif /* __iwl_fw_api_filter_h__ */
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