1 /* 2 * Broadcom Dongle Host Driver (DHD), CSI 3 * 4 * Copyright (C) 1999-2018, Broadcom. 5 * 6 * Unless you and Broadcom execute a separate written software license 7 * agreement governing use of this software, this software is licensed to you 8 * under the terms of the GNU General Public License version 2 (the "GPL"), 9 * available at http://www.broadcom.com/licenses/GPLv2.php, with the 10 * following added to such license: 11 * 12 * As a special exception, the copyright holders of this software give you 13 * permission to link this software with independent modules, and to copy and 14 * distribute the resulting executable under terms of your choice, provided that 15 * you also meet, for each linked independent module, the terms and conditions 16 * of the license of that module. An independent module is a module which is 17 * not derived from this software. The special exception does not apply to any 18 * modifications of the software. 19 * 20 * Notwithstanding the above, under no circumstances may you combine this 21 * software in any way with any other Broadcom software provided under a license 22 * other than the GPL, without Broadcom's express prior written consent. 23 * 24 * $Id: dhd_csi.h 558438 2015-05-22 06:05:11Z $ 25 */ 26 #ifndef __DHD_CSI_H__ 27 #define __DHD_CSI_H__ 28 29 /* Maxinum csi file dump size */ 30 #define MAX_CSI_FILESZ (32 * 1024) 31 /* Maxinum subcarrier number */ 32 #define MAXINUM_CFR_DATA 256 * 4 33 #define CSI_DUMP_PATH "/sys/bcm-dhd/csi" 34 #define MAX_EVENT_SIZE 1400 35 /* maximun csi number stored at dhd */ 36 #define MAX_CSI_NUM 8 37 38 typedef struct cfr_dump_header { 39 /* 0 - successful; 1 - Failed */ 40 uint8 status; 41 /* Peer MAC address */ 42 uint8 peer_macaddr[6]; 43 /* Number of Space Time Streams */ 44 uint8 sts; 45 /* Number of RX chain */ 46 uint8 num_rx; 47 /* Number of subcarrier */ 48 uint16 num_carrier; 49 /* Length of the CSI dump */ 50 uint32 cfr_dump_length; 51 /* remain unsend CSI data length */ 52 uint32 remain_length; 53 /* RSSI */ 54 int8 rssi; 55 } __attribute__((packed)) cfr_dump_header_t; 56 57 typedef struct cfr_dump_data { 58 cfr_dump_header_t header; 59 uint32 data[MAXINUM_CFR_DATA]; 60 } cfr_dump_data_t; 61 62 typedef struct { 63 struct list_head list; 64 cfr_dump_data_t entry; 65 } cfr_dump_list_t; 66 67 int dhd_csi_event_handler(dhd_pub_t *dhd, wl_event_msg_t *event, 68 void *event_data); 69 70 int dhd_csi_init(dhd_pub_t *dhd); 71 72 int dhd_csi_deinit(dhd_pub_t *dhd); 73 74 void dhd_csi_clean_list(dhd_pub_t *dhd); 75 76 int dhd_csi_dump_list(dhd_pub_t *dhd, char *buf); 77 #endif /* __DHD_CSI_H__ */ 78