Merge "qca-wifi: Move DFS_BANGRADAR from common code to WIN code"
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04ad11773a
208
umac/dfs/core/src/misc/dfs_bangradar.c
Normal dosya
208
umac/dfs/core/src/misc/dfs_bangradar.c
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/*
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* Copyright (c) 2016-2020 The Linux Foundation. All rights reserved.
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* Copyright (c) 2002-2006, Atheros Communications Inc.
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*
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* Permission to use, copy, modify, and/or distribute this software for any
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* purpose with or without fee is hereby granted, provided that the above
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* copyright notice and this permission notice appear in all copies.
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*
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* THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
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* WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
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* MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
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* ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
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* WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
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* ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
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* OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
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*/
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/**
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* DOC: This file contains the DFS Bangradar functionality.
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*
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*/
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#include "dfs.h"
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#include "dfs_zero_cac.h"
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#include "wlan_dfs_lmac_api.h"
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#include "wlan_dfs_mlme_api.h"
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#include "wlan_dfs_tgt_api.h"
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#include "dfs_internal.h"
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/**
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* dfs_check_bangradar_sanity() - Check the sanity of bangradar
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* @dfs: Pointer to wlan_dfs structure.
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* @bangradar_params: Parameters of the radar to be simulated.
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*/
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static QDF_STATUS
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dfs_check_bangradar_sanity(struct wlan_dfs *dfs,
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struct dfs_bangradar_params *bangradar_params)
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{
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if (!bangradar_params) {
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dfs_debug(dfs, WLAN_DEBUG_DFS_ALWAYS,
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"bangradar params is NULL");
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return -EINVAL;
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}
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if (dfs_is_true_160mhz_supported(dfs)) {
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if (abs(bangradar_params->freq_offset) >
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FREQ_OFFSET_BOUNDARY_FOR_160MHZ) {
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dfs_debug(dfs, WLAN_DEBUG_DFS_ALWAYS,
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"Frequency Offset out of bound");
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return -EINVAL;
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}
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} else if (abs(bangradar_params->freq_offset) >
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FREQ_OFFSET_BOUNDARY_FOR_80MHZ) {
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dfs_debug(dfs, WLAN_DEBUG_DFS_ALWAYS,
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"Frequency Offset out of bound");
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return -EINVAL;
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}
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if (bangradar_params->seg_id > SEG_ID_SECONDARY) {
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dfs_debug(dfs, WLAN_DEBUG_DFS_ALWAYS, "Invalid segment ID");
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return -EINVAL;
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}
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if ((bangradar_params->detector_id > dfs_get_agile_detector_id(dfs)) ||
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((bangradar_params->detector_id ==
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dfs_get_agile_detector_id(dfs)) &&
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!dfs->dfs_is_offload_enabled)) {
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dfs_debug(dfs, WLAN_DEBUG_DFS_ALWAYS, "Invalid detector ID");
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return -EINVAL;
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}
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return QDF_STATUS_SUCCESS;
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}
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/**
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* dfs_start_host_based_bangradar() - Mark as bangradar and start
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* wlan_dfs_task_timer.
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* @dfs: Pointer to wlan_dfs structure.
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*/
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#if defined(WLAN_DFS_PARTIAL_OFFLOAD)
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static int dfs_start_host_based_bangradar(struct wlan_dfs *dfs)
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{
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dfs->wlan_radar_tasksched = 1;
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qdf_timer_mod(&dfs->wlan_dfs_task_timer, 0);
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return 0;
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}
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#else
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static inline int dfs_start_host_based_bangradar(struct wlan_dfs *dfs)
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{
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return 0;
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}
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#endif
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/**
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* dfs_fill_emulate_bang_radar_test() - Update dfs unit test arguments and
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* send bangradar command to firmware.
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* @dfs: Pointer to wlan_dfs structure.
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* @bangradar_params: Parameters of the radar to be simulated.
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*
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* Return: If the event is received return 0.
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*/
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#if defined(WLAN_DFS_FULL_OFFLOAD)
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#define ADD_TO_32BYTE(_arg, _shift, _mask) (((_arg) & (_mask)) << (_shift))
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static int
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dfs_fill_emulate_bang_radar_test(struct wlan_dfs *dfs,
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struct dfs_bangradar_params *bangradar_params)
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{
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struct dfs_emulate_bang_radar_test_cmd dfs_unit_test;
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uint32_t packed_args = 0;
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if (!(WLAN_IS_PRIMARY_OR_SECONDARY_CHAN_DFS(dfs->dfs_curchan))) {
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dfs_err(dfs, WLAN_DEBUG_DFS_ALWAYS,
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"Ignore bangradar on a NON-DFS channel");
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return -EINVAL;
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}
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packed_args =
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ADD_TO_32BYTE(bangradar_params->seg_id,
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SEG_ID_SHIFT,
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SEG_ID_MASK) |
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ADD_TO_32BYTE(bangradar_params->is_chirp,
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IS_CHIRP_SHIFT,
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IS_CHIRP_MASK) |
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ADD_TO_32BYTE(bangradar_params->freq_offset,
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FREQ_OFF_SHIFT,
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FREQ_OFFSET_MASK) |
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ADD_TO_32BYTE(bangradar_params->detector_id,
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DET_ID_SHIFT,
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DET_ID_MASK);
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qdf_mem_zero(&dfs_unit_test, sizeof(dfs_unit_test));
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dfs_unit_test.num_args = DFS_UNIT_TEST_NUM_ARGS;
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dfs_unit_test.args[IDX_CMD_ID] =
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DFS_PHYERR_OFFLOAD_TEST_SET_RADAR;
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dfs_unit_test.args[IDX_PDEV_ID] =
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wlan_objmgr_pdev_get_pdev_id(dfs->dfs_pdev_obj);
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dfs_unit_test.args[IDX_RADAR_PARAM1_ID] = packed_args;
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if (tgt_dfs_process_emulate_bang_radar_cmd(dfs->dfs_pdev_obj,
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&dfs_unit_test) ==
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QDF_STATUS_E_FAILURE) {
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return -EINVAL;
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}
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return 0;
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}
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#else
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static inline int
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dfs_fill_emulate_bang_radar_test(struct wlan_dfs *dfs,
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struct dfs_bangradar_params *bangradar_params)
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{
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return 0;
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}
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#endif
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/*
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* Handle all types of Bangradar here.
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* Bangradar arguments:
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* seg_id : Segment ID where radar should be injected.
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* is_chirp : Is chirp radar or non chirp radar.
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* freq_offset : Frequency offset from center frequency.
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*
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* Type 1 (DFS_BANGRADAR_FOR_ALL_SUBCHANS): To add all subchans.
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* Type 2 (DFS_BANGRADAR_FOR_ALL_SUBCHANS_OF_SEGID): To add all
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* subchans of given segment_id.
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* Type 3 (DFS_BANGRADAR_FOR_SPECIFIC_SUBCHANS): To add specific
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* subchans based on the arguments.
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*
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* The arguments will already be filled in the indata structure
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* based on the type.
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* If an argument is not specified by user, it will be set to
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* default (0) in the indata already and correspondingly,
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* the type will change.
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*/
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int dfs_bang_radar(struct wlan_dfs *dfs, void *indata, uint32_t insize)
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{
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struct dfs_bangradar_params *bangradar_params;
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int error = -EINVAL;
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if (!dfs) {
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dfs_err(NULL, WLAN_DEBUG_DFS_ALWAYS, "dfs is NULL");
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return error;
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}
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if (insize < sizeof(struct dfs_bangradar_params) || !indata) {
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dfs_debug(dfs, WLAN_DEBUG_DFS1,
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"insize = %d, expected = %zu bytes, indata = %pK",
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insize,
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sizeof(struct dfs_bangradar_params),
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indata);
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return error;
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}
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bangradar_params = (struct dfs_bangradar_params *)indata;
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error = dfs_check_bangradar_sanity(dfs, bangradar_params);
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if (error != QDF_STATUS_SUCCESS)
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return error;
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dfs->dfs_bangradar_type = bangradar_params->bangradar_type;
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dfs->dfs_seg_id = bangradar_params->seg_id;
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dfs->dfs_is_chirp = bangradar_params->is_chirp;
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dfs->dfs_freq_offset = bangradar_params->freq_offset;
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if (dfs->dfs_is_offload_enabled) {
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error = dfs_fill_emulate_bang_radar_test(
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dfs,
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bangradar_params);
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} else {
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error = dfs_start_host_based_bangradar(dfs);
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}
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return error;
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}
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