Jeff Johnson | 295189b | 2012-06-20 16:38:30 -0700 | [diff] [blame] | 1 | /* |
Masti, Narayanraddi | 6b61cf5 | 2016-04-19 19:34:10 +0530 | [diff] [blame^] | 2 | * Copyright (c) 2012-2013, 2016 The Linux Foundation. All rights reserved. |
Kiet Lam | 0fb93dd | 2014-02-19 00:32:59 -0800 | [diff] [blame] | 3 | * |
| 4 | * Previously licensed under the ISC license by Qualcomm Atheros, Inc. |
| 5 | * |
| 6 | * |
| 7 | * Permission to use, copy, modify, and/or distribute this software for |
| 8 | * any purpose with or without fee is hereby granted, provided that the |
| 9 | * above copyright notice and this permission notice appear in all |
| 10 | * copies. |
| 11 | * |
| 12 | * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL |
| 13 | * WARRANTIES WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED |
| 14 | * WARRANTIES OF MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE |
| 15 | * AUTHOR BE LIABLE FOR ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL |
| 16 | * DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR |
| 17 | * PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER |
| 18 | * TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR |
| 19 | * PERFORMANCE OF THIS SOFTWARE. |
Gopichand Nakkala | 92f07d8 | 2013-01-08 21:16:34 -0800 | [diff] [blame] | 20 | */ |
Kiet Lam | 0fb93dd | 2014-02-19 00:32:59 -0800 | [diff] [blame] | 21 | |
| 22 | /* |
| 23 | * This file was originally distributed by Qualcomm Atheros, Inc. |
| 24 | * under proprietary terms before Copyright ownership was assigned |
| 25 | * to the Linux Foundation. |
| 26 | */ |
| 27 | |
Jeff Johnson | 295189b | 2012-06-20 16:38:30 -0700 | [diff] [blame] | 28 | #if !defined( __SAP_CH_SELECT_H ) |
| 29 | #define __SAP_CH_SELECT_H |
Srinivas Girigowda | de69741 | 2013-02-14 16:31:48 -0800 | [diff] [blame] | 30 | |
Kiet Lam | aa8e15a | 2014-02-11 23:30:06 -0800 | [diff] [blame] | 31 | |
Jeff Johnson | 295189b | 2012-06-20 16:38:30 -0700 | [diff] [blame] | 32 | /*=========================================================================== |
| 33 | |
| 34 | s a p C h S e l e c t . h |
| 35 | |
| 36 | OVERVIEW: |
| 37 | |
| 38 | This software unit holds the implementation of the WLAN SAP modules |
| 39 | functions for channel selection. |
| 40 | |
| 41 | DEPENDENCIES: |
| 42 | |
| 43 | |
| 44 | Are listed for each API below. |
| 45 | |
| 46 | |
Jeff Johnson | 295189b | 2012-06-20 16:38:30 -0700 | [diff] [blame] | 47 | ===========================================================================*/ |
| 48 | |
| 49 | /*=========================================================================== |
| 50 | |
| 51 | EDIT HISTORY FOR FILE |
| 52 | |
| 53 | |
| 54 | This section contains comments describing changes made to the module. |
| 55 | Notice that changes are listed in reverse chronological order. |
| 56 | |
| 57 | |
| 58 | |
| 59 | when who what, where, why |
| 60 | ---------- ----- -------------------------------------------------------- |
| 61 | 2010-03-15 SoftAP Created module |
| 62 | |
| 63 | ===========================================================================*/ |
| 64 | |
| 65 | |
| 66 | /*-------------------------------------------------------------------------- |
| 67 | Include Files |
| 68 | ------------------------------------------------------------------------*/ |
| 69 | #include "aniGlobal.h" |
| 70 | /*-------------------------------------------------------------------------- |
| 71 | defines and enum |
| 72 | --------------------------------------------------------------------------*/ |
| 73 | |
| 74 | #define SPECT_24GHZ_CH_COUNT (11) // USA regulatory domain |
| 75 | #define SAPDFS_NORMALISE_1000 (1000/9) // Case of spec20 with channel diff = 0 |
| 76 | /* Gen 5 values |
| 77 | #define SOFTAP_MIN_RSSI (-85) |
| 78 | #define SOFTAP_MAX_RSSI (-45) |
| 79 | */ |
| 80 | #define SOFTAP_MIN_RSSI (-100) |
| 81 | #define SOFTAP_MAX_RSSI (0) |
| 82 | #define SOFTAP_MIN_COUNT (0) |
| 83 | #define SOFTAP_MAX_COUNT (60) |
| 84 | #define SOFTAP_RSSI_WEIGHT (20) |
| 85 | #define SOFTAP_COUNT_WEIGHT (20) |
| 86 | |
Masti, Narayanraddi | 6b61cf5 | 2016-04-19 19:34:10 +0530 | [diff] [blame^] | 87 | #define SAP_DEFAULT_24GHZ_CHANNEL (6) |
| 88 | #define SAP_DEFAULT_LOW_5GHZ_CHANNEL (40) |
| 89 | #define SAP_DEFAULT_MID_5GHZ_CHANNEL (100) |
| 90 | #define SAP_DEFAULT_HIGH_5GHZ_CHANNEL (149) |
Jeff Johnson | 295189b | 2012-06-20 16:38:30 -0700 | [diff] [blame] | 91 | #define SAP_CHANNEL_NOT_SELECTED (0) |
Madan Mohan Koyyalamudi | 527935a | 2012-12-04 16:41:16 -0800 | [diff] [blame] | 92 | |
| 93 | #define SOFTAP_HT20_CHANNELWIDTH 0 |
Venkata Prathyusha Kuntupalli | e2e7208 | 2013-01-30 17:37:50 -0800 | [diff] [blame] | 94 | #define SAP_SUBBAND1_RSSI_EFFECT_PRIMARY (-20) // In HT40/VHT80, Effect of primary Channel RSSi on Subband1 |
| 95 | #define SAP_SUBBAND2_RSSI_EFFECT_PRIMARY (-30) // In VHT80, Effect of primary Channel RSSI on Subband2 |
| 96 | #define SAP_SUBBAND3_RSSI_EFFECT_PRIMARY (-40) // In VHT80, Effect of Primary Channel RSSI on Subband3 |
| 97 | |
| 98 | #define SAP_24GHZ_FIRST_OVERLAP_CHAN_RSSI_EFFECT_PRIMARY (-10) // In 2.4GHZ, Effect of Primary Channel RSSI on First Overlapping Channel |
| 99 | #define SAP_24GHZ_SEC_OVERLAP_CHAN_RSSI_EFFECT_PRIMARY (-20) // In 2.4GHZ, Effect of Primary Channel RSSI on Second Overlapping Channel |
| 100 | #define SAP_24GHZ_THIRD_OVERLAP_CHAN_RSSI_EFFECT_PRIMARY (-30) // In 2.4GHZ, Effect of Primary Channel RSSI on Third Overlapping Channel |
| 101 | #define SAP_24GHZ_FOURTH_OVERLAP_CHAN_RSSI_EFFECT_PRIMARY (-40) // In 2.4GHZ, Effect of Primary Channel RSSI on Fourth Overlapping Channel |
| 102 | |
| 103 | typedef enum |
| 104 | { |
| 105 | CHANNEL_1 = 1, |
| 106 | CHANNEL_2, |
| 107 | CHANNEL_3, |
| 108 | CHANNEL_4, |
| 109 | CHANNEL_5, |
| 110 | CHANNEL_6, |
| 111 | CHANNEL_7, |
| 112 | CHANNEL_8, |
| 113 | CHANNEL_9, |
| 114 | CHANNEL_10, |
| 115 | CHANNEL_11 |
| 116 | } tSapChannel; |
| 117 | |
Jeff Johnson | 295189b | 2012-06-20 16:38:30 -0700 | [diff] [blame] | 118 | /** |
| 119 | * Structure holding information of each channel in the spectrum, |
| 120 | * it contains the channel number, the computed weight |
| 121 | */ |
Madan Mohan Koyyalamudi | 5aef2af | 2012-10-05 11:56:27 -0700 | [diff] [blame] | 122 | |
Madan Mohan Koyyalamudi | 5aef2af | 2012-10-05 11:56:27 -0700 | [diff] [blame] | 123 | typedef struct sSapChannelListInfo{ |
Madan Mohan Koyyalamudi | 1bed598 | 2012-10-22 14:38:06 -0700 | [diff] [blame] | 124 | v_U8_t numChannel; |
| 125 | v_U8_t *channelList; |
Madan Mohan Koyyalamudi | 5aef2af | 2012-10-05 11:56:27 -0700 | [diff] [blame] | 126 | } tSapChannelListInfo; |
| 127 | |
Jeff Johnson | 295189b | 2012-06-20 16:38:30 -0700 | [diff] [blame] | 128 | typedef struct { |
| 129 | v_U16_t chNum; // Channel Number |
Madan Mohan Koyyalamudi | 527935a | 2012-12-04 16:41:16 -0800 | [diff] [blame] | 130 | v_U16_t channelWidth; // Channel Width |
Jeff Johnson | 295189b | 2012-06-20 16:38:30 -0700 | [diff] [blame] | 131 | v_U16_t bssCount; // bss found in scanresult for this channel |
| 132 | v_S31_t rssiAgr; // Max value of rssi among all BSS(es) from scanresult for this channel |
| 133 | v_U32_t weight; // Weightage of this channel |
Abhishek Singh | 906b91f | 2015-07-02 12:25:52 +0530 | [diff] [blame] | 134 | v_U32_t weight_copy; //copy of the orignal weight |
Jeff Johnson | 295189b | 2012-06-20 16:38:30 -0700 | [diff] [blame] | 135 | v_BOOL_t valid; // Is this a valid center frequency for regulatory domain |
| 136 | } tSapSpectChInfo;//tDfsSpectChInfo; |
| 137 | |
| 138 | /** |
| 139 | * Structure holding all the information required to make a |
| 140 | * decision for the best operating channel based on dfs formula |
| 141 | */ |
Madan Mohan Koyyalamudi | 5aef2af | 2012-10-05 11:56:27 -0700 | [diff] [blame] | 142 | |
Jeff Johnson | 295189b | 2012-06-20 16:38:30 -0700 | [diff] [blame] | 143 | typedef struct { |
| 144 | tSapSpectChInfo *pSpectCh;//tDfsSpectChInfo *pSpectCh; // Ptr to the channels in the entire spectrum band |
| 145 | v_U8_t numSpectChans; // Total num of channels in the spectrum |
| 146 | } tSapChSelSpectInfo;//tDfsChSelParams; |
| 147 | |
| 148 | /** |
| 149 | * Structure for channel weight calculation parameters |
| 150 | */ |
| 151 | typedef struct sSapChSelParams { |
| 152 | void *pSpectInfoParams;//*pDfsParams; // Filled with tSapChSelSpectInfo |
| 153 | v_U16_t numChannels; |
| 154 | } tSapChSelParams; |
| 155 | |
| 156 | #endif // if !defined __SAP_CH_SELECT_H |
| 157 | |