qca-wifi: CFR: Implementation of CFR for QCA6018 platforms
Channel Frequency Response(CFR) captures FFT bins corresponding to a PPDU received and this is relayed to user space application along with additional information about the PPDU gathered in the host. Usecases of this feature include location sensing, motion detection. Change-Id: If0da492bc1fcc0fc2b6e42339c56f9a54ee813f7 CRs-Fixed: 2541307
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Padma Raghunathan
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@@ -28,6 +28,19 @@
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#define PEER_CFR_CAPTURE_ENABLE 1
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#define PEER_CFR_CAPTURE_DISABLE 0
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#define PEER_CFR_CAPTURE_EVT_STATUS_MASK 0x80000000
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#define PEER_CFR_CAPTURE_EVT_PS_STATUS_MASK 0x40000000
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#define CFR_TX_EVT_STATUS_MASK 0x00000003
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/* Status codes used by correlate and relay function */
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#define STATUS_STREAM_AND_RELEASE 0
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#define STATUS_HOLD 1
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#define STATUS_ERROR -1
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/* Module IDs using corrlation function */
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#define CORRELATE_DBR_MODULE_ID 0
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#define CORRELATE_TX_EV_MODULE_ID 1 /* HKV2 */
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#define CORRELATE_TXRX_EV_MODULE_ID 1 /* Cypress */
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/**
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* target_if_cfr_init_pdev() - Inits cfr pdev and registers necessary handlers.
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326
cfr/inc/target_if_cfr_6018.h
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326
cfr/inc/target_if_cfr_6018.h
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@@ -0,0 +1,326 @@
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/*
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* Copyright (c) 2019 The Linux Foundation. All rights reserved.
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*
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* Permission to use, copy, modify, and/or distribute this software for
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* any purpose with or without fee is hereby granted, provided that the
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* above copyright notice and this permission notice appear in all
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* copies.
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*
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* THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL
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* WARRANTIES WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED
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* WARRANTIES OF MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE
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* AUTHOR BE LIABLE FOR ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL
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* DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR
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* PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER
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* TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR
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* PERFORMANCE OF THIS SOFTWARE.
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*/
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#ifndef _TARGET_IF_CFR_6018_H_
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#define _TARGET_IF_CFR_6018_H_
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#ifdef WLAN_ENH_CFR_ENABLE
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/*
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* Memory requirements :
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*
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* 1. DMA header :
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*
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* Legacy DMA header(QCA8074V2) : 2 words (length = 8 bytes)
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* Enhanced DMA header(QCA6018) : Upto 16 words depending on no. of MU users
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* in UL-MU-PPDU (Max length = 64 bytes)
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*
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* Fixed 4 words for whal_cfir_enhanced_hdr + freeze TLV
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* + uplink_user_info TLV (MAX 4)
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*
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* mu_rx_num_users -> No. of words in CFR DMA header
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* 0 -> 12 = 4 + 7(freeze TLV) + 1(for 64-bit alignment)
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* 1 -> 12 = 4 + 7(freeze TLV) + 1(user1)
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* 2 -> 14 = 4 + 7(freeze TLV) + 2(users 1,2) + 1(for 64-bit alignment)
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* 3 -> 14 = 4 + 7(freeze TLV) + 3(users 1,2,3)
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* 4 -> 16 = 4 + 7(freeze TLV) + 4(users 1,2,3,4) + 1(for 64-bit alignment)
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*
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*
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* 2. CFR data size for max BW/Nss/Nrx
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*
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* Cypress : Max BW = 80 MHz
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* NSS = 2
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* Nrx = 2
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* Size of one tone = 4 bytes
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*
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* a. RTT-H - 2048 bytes
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*
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* b. Debug-H (MIMO CFR) - 16016 bytes
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*
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* c. RTT-H + CIR - 10240 bytes = 2048(RTT-H) + 8192(CIR)
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*/
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/* Max 4 users in MU case */
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#define CYP_CFR_MU_USERS 4
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#define CYP_MAX_HEADER_LENGTH_WORDS 16
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/* Max(2048, 16016, 10240) */
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#define CYP_MAX_DATA_LENGTH_BYTES 16016
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/* in ms */
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#define LUT_AGE_TIMER 3000
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#define LUT_AGE_THRESHOLD 3000
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#define NUM_LUT_ENTRIES 136
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/* Max size :
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* 16173 = 93 bytes(csi header) + 64 bytes(cfr header) + 16016 bytes(cfr
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* payload)
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*/
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#define STREAMFS_MAX_SUBBUF_CYP 16173
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#define STREAMFS_NUM_SUBBUF_CYP 255
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/*
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* @tag: ucode fills this with 0xBA
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*
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* @length: length of CFR header in words (32-bit)
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*
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* @upload_done: ucode sets this to 1 to indicate DMA completion
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*
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* @capture_type:
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*
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* 0 - None
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* 1 - RTT-H (Nss = 1, Nrx)
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* 2 - Debug-H (Nss, Nrx)
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* 3 - Reserved
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* 5 - RTT-H + CIR(Nss, Nrx)
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*
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* @preamble_type:
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*
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* 0 - Legacy
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* 1 - HT
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* 2 - VHT
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* 3 - HE
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*
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* @nss:
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*
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* 0 - 1-stream
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* 1 - 2-stream
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* .. ..
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* 7 - 8-stream
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*
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*@num_chains:
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*
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* 0 - 1-chain
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* 1 - 2-chain
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* .. ..
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* 7 - 8-chain
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*
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*@upload_bw_pkt:
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*
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* 0 - 20 MHz
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* 1 - 40 MHz
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* 2 - 80 MHz
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* 3 - 160 MHz
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*
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* @sw_peer_id_valid: Indicates whether sw_peer_id field is valid or not,
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* sent from MAC to PHY via the MACRX_FREEZE_CAPTURE_CHANNEL TLV
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*
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* @sw_peer_id: Indicates peer id based on AST search, sent from MAC to PHY
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* via the MACRX_FREEZE_CAPTURE_CHANNEL TLV
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*
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* @phy_ppdu_id: sent from PHY to MAC, copied to MACRX_FREEZE_CAPTURE_CHANNEL
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* TLV
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*
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* @total_bytes: Total size of CFR payload (FFT bins)
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*
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* @header_version:
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*
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* 1 - HKV2/Hastings
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* 2 - Cypress
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*
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* @target_id:
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*
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* 1 - Hastings
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* 2 - Cypress
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* 3 - Hastings Prime
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* 4 - Pine
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*
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* @cfr_fmt:
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*
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* 0 - raw (32-bit format)
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* 1 - compressed (24-bit format)
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*
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* @mu_rx_data_incl: Indicates whether CFR header contains UL-MU-MIMO info
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*
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* @freeze_data_incl: Indicates whether CFR header contains
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* MACRX_FREEZE_CAPTURE_CHANNEL TLV
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*
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* @decimation_factor: FFT bins decimation
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* @mu_rx_num_users: Number of users in UL-MU-PPDU
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*/
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struct whal_cfir_enhanced_hdr {
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uint16_t tag : 8,
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length : 6,
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rsvd1 : 2;
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uint16_t upload_done : 1,
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capture_type : 3,
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preamble_type : 2,
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nss : 3,
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num_chains : 3,
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upload_pkt_bw : 3,
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sw_peer_id_valid : 1;
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uint16_t sw_peer_id : 16;
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uint16_t phy_ppdu_id : 16;
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uint16_t total_bytes;
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uint16_t header_version :4,
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target_id :4,
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cfr_fmt :1,
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rsvd2 :1,
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mu_rx_data_incl :1,
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freeze_data_incl:1,
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rsvd3 :4;
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uint16_t mu_rx_num_users :8,
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decimation_factor :4,
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rsvd4 :4;
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uint16_t rsvd5;
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};
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struct macrx_freeze_capture_channel {
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uint16_t freeze : 1, //[0]
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capture_reason : 3, //[3:1]
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packet_type : 2, //[5:4]
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packet_sub_type : 4, //[9:6]
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reserved : 5, //[14:10]
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sw_peer_id_valid : 1; //[15]
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uint16_t sw_peer_id : 16; //[15:0]
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uint16_t phy_ppdu_id : 16; //[15:0]
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uint16_t packet_ta_lower_16 : 16; //[15:0]
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uint16_t packet_ta_mid_16 : 16; //[15:0]
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uint16_t packet_ta_upper_16 : 16; //[15:0]
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uint16_t packet_ra_lower_16 : 16; //[15:0]
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uint16_t packet_ra_mid_16 : 16; //[15:0]
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uint16_t packet_ra_upper_16 : 16; //[15:0]
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uint16_t tsf_timestamp_15_0 : 16; //[15:0]
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uint16_t tsf_timestamp_31_16 : 16; //[15:0]
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uint16_t tsf_timestamp_47_32 : 16; //[15:0]
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uint16_t tsf_timestamp_63_48 : 16; //[15:0]
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uint16_t user_index : 6, //[5:0]
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directed : 1, //[6]
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reserved_13 : 9; //[15:7]
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};
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struct uplink_user_setup_info {
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uint32_t bw_info_valid : 1, //[0]
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uplink_receive_type : 2, //[2:1]
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reserved_0a : 1, //[3]
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uplink_11ax_mcs : 4, //[7:4]
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ru_width : 7, //[14:8]
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reserved_0b : 1, //[15]
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nss : 3, //[18:16]
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stream_offset : 3, //[21:19]
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sta_dcm : 1, //[22]
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sta_coding : 1, //[23]
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ru_start_index : 7, //[30:24]
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reserved_0c : 1; //[31]
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};
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/**
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* cfr_6018_init_pdev() - Inits cfr pdev and registers necessary handlers.
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* @psoc: pointer to psoc object
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* @pdev: pointer to pdev object
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*
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* Return: Registration status for necessary handlers
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*/
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QDF_STATUS cfr_6018_init_pdev(
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struct wlan_objmgr_psoc *psoc,
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struct wlan_objmgr_pdev *pdev);
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/**
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* cfr_6018_deinit_pdev() - De-inits corresponding pdev and handlers.
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* @psoc: pointer to psoc object
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* @pdev: pointer to pdev object
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*
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* Return: De-registration status for necessary handlers
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*/
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QDF_STATUS cfr_6018_deinit_pdev(
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struct wlan_objmgr_psoc *psoc,
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struct wlan_objmgr_pdev *pdev);
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/**
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* target_if_cfr_start_lut_age_timer() - Start timer to flush aged-out LUT
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* entries
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* @pdev: pointer to pdev object
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*
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* Return: Success/Failure status
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*/
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QDF_STATUS target_if_cfr_start_lut_age_timer(struct wlan_objmgr_pdev *pdev);
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/**
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* target_if_cfr_stop_lut_age_timer() - Stop timer to flush aged-out LUT
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* entries
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* @pdev: pointer to pdev object
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*
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* Return: Success/Failure status
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*/
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QDF_STATUS target_if_cfr_stop_lut_age_timer(struct wlan_objmgr_pdev *pdev);
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/**
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* target_if_cfr_dump_lut_enh() - Dump all valid LUT entries
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* @pdev: objmgr PDEV
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*
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* Return: none
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*/
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void target_if_cfr_dump_lut_enh(struct wlan_objmgr_pdev *pdev);
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/**
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* target_if_cfr_config_rcc() - Start repetitive channel capture
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* @pdev: pointer to pdev object
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* @rcc_param: rcc configurations
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*
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* Return: Success/Failure status
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*/
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QDF_STATUS target_if_cfr_config_rcc(struct wlan_objmgr_pdev *pdev,
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struct cfr_rcc_param *rcc_param);
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/**
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* target_if_cfr_default_ta_ra_config() - Configure default values to all
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* params(BW/NSS/TA/RA) in TA_RA mode
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* @rcc_param: rcc configurations
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* @allvalid: Indicates whether all TA_RA params are valid or not.
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* It could be either 0 or 1.
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* 1: should be sent to FW during CFR initialization
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* 0: should be set, after a successful commit session.
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* @reset_cfg: This bitmap is being used to determine which groups'
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* parameters are needed to be reset to its default state.
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*/
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void target_if_cfr_default_ta_ra_config(struct cfr_rcc_param *rcc_param,
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bool allvalid, uint16_t reset_cfg);
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/**
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* target_if_cfr_rx_tlv_process() - Process PPDU status TLVs and store info in
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* lookup table
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* @pdev: PDEV object
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* @nbuf: ppdu info
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*
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* Return: none
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*/
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void target_if_cfr_rx_tlv_process(struct wlan_objmgr_pdev *pdev, void *nbuf);
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#else
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static QDF_STATUS cfr_6018_init_pdev(
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struct wlan_objmgr_psoc *psoc,
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struct wlan_objmgr_pdev *pdev)
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{
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return QDF_STATUS_SUCCESS;
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}
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static QDF_STATUS cfr_6018_deinit_pdev(
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struct wlan_objmgr_psoc *psoc,
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struct wlan_objmgr_pdev *pdev)
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{
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return QDF_STATUS_SUCCESS;
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}
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#endif
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#endif
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@@ -21,9 +21,6 @@
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#define STREAMFS_MAX_SUBBUF_8S 8500
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#define STREAMFS_NUM_SUBBUF_8S 255
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#define PEER_CFR_CAPTURE_EVT_STATUS_MASK 0x80000000
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#define PEER_CFR_CAPTURE_EVT_PS_STATUS_MASK 0x40000000
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#define CFR_TX_EVT_STATUS_MASK 0x00000003
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/* Values used for computing number of tones */
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#define TONES_IN_20MHZ 256
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@@ -32,15 +29,6 @@
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#define TONES_IN_160MHZ 2048 /* 160 MHz isn't supported yet */
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#define TONES_INVALID 0
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/* Status codes used by correlate and relay function */
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#define STATUS_STREAM_AND_RELEASE 0
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#define STATUS_HOLD 1
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#define STATUS_ERROR -1
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/* Module IDs using corrlation function */
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#define CORRELATE_DBR_MODULE_ID 0
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#define CORRELATE_TX_EV_MODULE_ID 1
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/**
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* cfr_8074v2_init_pdev() - Inits cfr pdev and registers necessary handlers.
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* @psoc: pointer to psoc object
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