1 /* 2 * Copyright (c) 2017-2018 The Linux Foundation. All rights reserved. 3 * 4 * Permission to use, copy, modify, and/or distribute this software for 5 * any purpose with or without fee is hereby granted, provided that the 6 * above copyright notice and this permission notice appear in all 7 * copies. 8 * 9 * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL 10 * WARRANTIES WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED 11 * WARRANTIES OF MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE 12 * AUTHOR BE LIABLE FOR ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL 13 * DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR 14 * PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER 15 * TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR 16 * PERFORMANCE OF THIS SOFTWARE. 17 */ 18 19 /** 20 * DOC: dfs_process_radar_found_ind.h 21 * This file provides prototypes of the routines needed for the 22 * external components to utilize the services provided by the 23 * DFS component. 24 */ 25 26 /* Number of channel marking offsets */ 27 #define DFS_NUM_FREQ_OFFSET 3 28 29 /* Lower channel from 20 Mhz center channel */ 30 #define DFS_20MHZ_LOWER_CHANNEL(_f) ((_f) - 20) 31 /* Upper channel from 20 Mhz center channel */ 32 #define DFS_20MHZ_UPPER_CHANNEL(_f) ((_f) + 20) 33 /* 1st lower channel from center channel of bandwidth 40/80/160Mhz */ 34 #define DFS_FIRST_LOWER_CHANNEL(_f) ((_f) - 10) 35 /* 2nd lower channel from center channel of bandwidth 40/80/160Mhz */ 36 #define DFS_SECOND_LOWER_CHANNEL(_f) ((_f) - 30) 37 /* 3rd lower channel from center channel of bandwidth 80/160Mhz */ 38 #define DFS_THIRD_LOWER_CHANNEL(_f) ((_f) - 50) 39 /* 1st upper channel from center channel of bandwidth 40/80/160Mhz */ 40 #define DFS_FIRST_UPPER_CHANNEL(_f) ((_f) + 10) 41 /* 2nd upper channel from center channel of bandwidth 40/80/160Mhz */ 42 #define DFS_SECOND_UPPER_CHANNEL(_f) ((_f) + 30) 43 /* 3rd upper channel from center channel of bandwidth 80/160Mhz */ 44 #define DFS_THIRD_UPPER_CHANNEL(_f) ((_f) + 50) 45 46 /* 20 Mhz freq_offset lower */ 47 #define DFS_20MZ_OFFSET_LOWER (-10) 48 /* 20 Mhz freq_offset upper */ 49 #define DFS_20MZ_OFFSET_UPPER (10) 50 /* 40/80 Mhz freq_offset first lower */ 51 #define DFS_OFFET_FIRST_LOWER (-20) 52 /* 40/80 Mhz freq_offset second lower */ 53 #define DFS_OFFET_SECOND_LOWER (-40) 54 /* 40/80 Mhz freq_offset first upper */ 55 #define DFS_OFFET_FIRST_UPPER (20) 56 /* 40/80 Mhz freq_offset second upper */ 57 #define DFS_OFFET_SECOND_UPPER (40) 58 59 /* Frequency offset to sidx */ 60 #define DFS_FREQ_OFFSET_TO_SIDX(_f) ((32 * (_f)) / 10) 61 /* sidx offset boundary */ 62 #define DFS_BOUNDARY_SIDX 32 63 /* freq offset for chirp */ 64 #define DFS_CHIRP_OFFSET 10 65 /* second segment freq offset */ 66 #define DFS_160MHZ_SECOND_SEG_OFFSET 40 67 68 /* Frequency offset indices */ 69 #define CENTER_CH 0 70 #define LEFT_CH 1 71 #define RIGHT_CH 2 72 73 /* Next channel number offset's from center channel number */ 74 #define DFS_5GHZ_NEXT_CHAN_OFFSET 2 75 #define DFS_5GHZ_2ND_CHAN_OFFSET 6 76 #define DFS_5GHZ_3RD_CHAN_OFFSET 10 77 #define DFS_5GHZ_4TH_CHAN_OFFSET 14 78 79 /* Max number of bonding channels in 160 MHz segment */ 80 #define NUM_CHANNELS_160MHZ 8 81 82 /** 83 * struct freqs_offsets - frequency and offset information 84 * @freq: channel frequency in mhz. 85 * @offset: offset from center frequency. 86 * 87 * Index 0 - Center channel affected by RADAR. 88 * Index 1 - Left of Center channel affected by RADAR. 89 * Index 2 - Right of Center channel affected by RADAR. 90 * 91 * This information is needed to find and mark radar infected 92 * channels in NOL and regulatory database. 93 */ 94 struct freqs_offsets { 95 uint32_t freq[DFS_NUM_FREQ_OFFSET]; 96 int32_t offset[DFS_NUM_FREQ_OFFSET]; 97 }; 98 99 /** 100 * dfs_process_radar_found_indication() - Process radar found indication 101 * @dfs: Pointer to wlan_dfs structure. 102 * @radar_found: radar found info. 103 * 104 * Process radar found indication and update radar effected channel in NOL 105 * and regulatory. 106 * 107 * Return: None 108 */ 109 void dfs_process_radar_found_indication(struct wlan_dfs *dfs, 110 struct radar_found_info *radar_found); 111 112 /** 113 * dfs_process_radar_ind() - Process radar indication event 114 * @dfs: Pointer to wlan_dfs structure. 115 * @radar_found: Pointer to radar_found_info structure. 116 * 117 * Wrapper function of dfs_process_radar_found_indication(). 118 * 119 * Return: QDF_STATUS 120 */ 121 QDF_STATUS dfs_process_radar_ind(struct wlan_dfs *dfs, 122 struct radar_found_info *radar_found); 123