/* SPDX-License-Identifier: GPL-2.0 */
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/*
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* Broadcom Dongle Host Driver (DHD), CSI
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*
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* Copyright (C) 1999-2018, Broadcom.
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*
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* Unless you and Broadcom execute a separate written software license
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* agreement governing use of this software, this software is licensed to you
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* under the terms of the GNU General Public License version 2 (the "GPL"),
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* available at http://www.broadcom.com/licenses/GPLv2.php, with the
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* following added to such license:
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*
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* As a special exception, the copyright holders of this software give you
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* permission to link this software with independent modules, and to copy and
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* distribute the resulting executable under terms of your choice, provided that
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* you also meet, for each linked independent module, the terms and conditions of
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* the license of that module. An independent module is a module which is not
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* derived from this software. The special exception does not apply to any
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* modifications of the software.
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*
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* Notwithstanding the above, under no circumstances may you combine this
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* software in any way with any other Broadcom software provided under a license
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* other than the GPL, without Broadcom's express prior written consent.
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*
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* $Id: dhd_csi.h 558438 2015-05-22 06:05:11Z $
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*/
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#ifndef __DHD_CSI_H__
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#define __DHD_CSI_H__
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/* Maxinum csi file dump size */
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#define MAX_CSI_FILESZ (32 * 1024)
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/* Maxinum subcarrier number */
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#define MAXINUM_CFR_DATA 256 * 4
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#define CSI_DUMP_PATH "/sys/bcm-dhd/csi"
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#define MAX_EVENT_SIZE 1400
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/* maximun csi number stored at dhd */
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#define MAX_CSI_NUM 8
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typedef struct cfr_dump_header {
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/* 0 - successful; 1 - Failed */
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uint8 status;
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/* Peer MAC address */
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uint8 peer_macaddr[6];
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/* Number of Space Time Streams */
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uint8 sts;
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/* Number of RX chain */
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uint8 num_rx;
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/* Number of subcarrier */
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uint16 num_carrier;
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/* Length of the CSI dump */
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uint32 cfr_dump_length;
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/* remain unsend CSI data length */
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uint32 remain_length;
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/* RSSI */
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int8 rssi;
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} __attribute__((packed)) cfr_dump_header_t;
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typedef struct cfr_dump_data {
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cfr_dump_header_t header;
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uint32 data[MAXINUM_CFR_DATA];
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} cfr_dump_data_t;
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typedef struct {
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struct list_head list;
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cfr_dump_data_t entry;
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} cfr_dump_list_t;
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int dhd_csi_event_handler(dhd_pub_t *dhd, wl_event_msg_t *event, void *event_data);
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int dhd_csi_init(dhd_pub_t *dhd);
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int dhd_csi_deinit(dhd_pub_t *dhd);
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void dhd_csi_clean_list(dhd_pub_t *dhd);
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int dhd_csi_dump_list(dhd_pub_t *dhd, char *buf);
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#endif /* __DHD_CSI_H__ */
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