1*4882a593Smuzhiyun /* 2*4882a593Smuzhiyun * Broadcom Dongle Host Driver (DHD), CSI 3*4882a593Smuzhiyun * 4*4882a593Smuzhiyun * Copyright (C) 1999-2018, Broadcom. 5*4882a593Smuzhiyun * 6*4882a593Smuzhiyun * Unless you and Broadcom execute a separate written software license 7*4882a593Smuzhiyun * agreement governing use of this software, this software is licensed to you 8*4882a593Smuzhiyun * under the terms of the GNU General Public License version 2 (the "GPL"), 9*4882a593Smuzhiyun * available at http://www.broadcom.com/licenses/GPLv2.php, with the 10*4882a593Smuzhiyun * following added to such license: 11*4882a593Smuzhiyun * 12*4882a593Smuzhiyun * As a special exception, the copyright holders of this software give you 13*4882a593Smuzhiyun * permission to link this software with independent modules, and to copy and 14*4882a593Smuzhiyun * distribute the resulting executable under terms of your choice, provided that 15*4882a593Smuzhiyun * you also meet, for each linked independent module, the terms and conditions of 16*4882a593Smuzhiyun * the license of that module. An independent module is a module which is not 17*4882a593Smuzhiyun * derived from this software. The special exception does not apply to any 18*4882a593Smuzhiyun * modifications of the software. 19*4882a593Smuzhiyun * 20*4882a593Smuzhiyun * Notwithstanding the above, under no circumstances may you combine this 21*4882a593Smuzhiyun * software in any way with any other Broadcom software provided under a license 22*4882a593Smuzhiyun * other than the GPL, without Broadcom's express prior written consent. 23*4882a593Smuzhiyun * 24*4882a593Smuzhiyun * $Id: dhd_csi.h 558438 2015-05-22 06:05:11Z $ 25*4882a593Smuzhiyun */ 26*4882a593Smuzhiyun #ifndef __DHD_CSI_H__ 27*4882a593Smuzhiyun #define __DHD_CSI_H__ 28*4882a593Smuzhiyun 29*4882a593Smuzhiyun /* Maxinum csi file dump size */ 30*4882a593Smuzhiyun #define MAX_CSI_FILESZ (32 * 1024) 31*4882a593Smuzhiyun /* Maxinum subcarrier number */ 32*4882a593Smuzhiyun #define MAXINUM_CFR_DATA 256 * 4 33*4882a593Smuzhiyun #define CSI_DUMP_PATH "/sys/bcm-dhd/csi" 34*4882a593Smuzhiyun #define MAX_EVENT_SIZE 1400 35*4882a593Smuzhiyun /* maximun csi number stored at dhd */ 36*4882a593Smuzhiyun #define MAX_CSI_NUM 8 37*4882a593Smuzhiyun 38*4882a593Smuzhiyun typedef struct cfr_dump_header { 39*4882a593Smuzhiyun /* 0 - successful; 1 - Failed */ 40*4882a593Smuzhiyun uint8 status; 41*4882a593Smuzhiyun /* Peer MAC address */ 42*4882a593Smuzhiyun uint8 peer_macaddr[6]; 43*4882a593Smuzhiyun /* Number of Space Time Streams */ 44*4882a593Smuzhiyun uint8 sts; 45*4882a593Smuzhiyun /* Number of RX chain */ 46*4882a593Smuzhiyun uint8 num_rx; 47*4882a593Smuzhiyun /* Number of subcarrier */ 48*4882a593Smuzhiyun uint16 num_carrier; 49*4882a593Smuzhiyun /* Length of the CSI dump */ 50*4882a593Smuzhiyun uint32 cfr_dump_length; 51*4882a593Smuzhiyun /* remain unsend CSI data length */ 52*4882a593Smuzhiyun uint32 remain_length; 53*4882a593Smuzhiyun /* RSSI */ 54*4882a593Smuzhiyun int8 rssi; 55*4882a593Smuzhiyun } __attribute__((packed)) cfr_dump_header_t; 56*4882a593Smuzhiyun 57*4882a593Smuzhiyun typedef struct cfr_dump_data { 58*4882a593Smuzhiyun cfr_dump_header_t header; 59*4882a593Smuzhiyun uint32 data[MAXINUM_CFR_DATA]; 60*4882a593Smuzhiyun } cfr_dump_data_t; 61*4882a593Smuzhiyun 62*4882a593Smuzhiyun typedef struct { 63*4882a593Smuzhiyun struct list_head list; 64*4882a593Smuzhiyun cfr_dump_data_t entry; 65*4882a593Smuzhiyun } cfr_dump_list_t; 66*4882a593Smuzhiyun 67*4882a593Smuzhiyun int dhd_csi_event_handler(dhd_pub_t *dhd, wl_event_msg_t *event, void *event_data); 68*4882a593Smuzhiyun 69*4882a593Smuzhiyun int dhd_csi_init(dhd_pub_t *dhd); 70*4882a593Smuzhiyun 71*4882a593Smuzhiyun int dhd_csi_deinit(dhd_pub_t *dhd); 72*4882a593Smuzhiyun 73*4882a593Smuzhiyun void dhd_csi_clean_list(dhd_pub_t *dhd); 74*4882a593Smuzhiyun 75*4882a593Smuzhiyun int dhd_csi_dump_list(dhd_pub_t *dhd, char *buf); 76*4882a593Smuzhiyun #endif /* __DHD_CSI_H__ */ 77