1254 lines
30 KiB
C
1254 lines
30 KiB
C
/* SPDX-License-Identifier: BSD-3-Clause-Clear */
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/*
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* Copyright (c) 2018-2019 The Linux Foundation. All rights reserved.
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* Copyright (c) 2021-2023 Qualcomm Innovation Center, Inc. All rights reserved.
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*/
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#ifndef ATH11K_CORE_H
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#define ATH11K_CORE_H
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#include <linux/types.h>
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#include <linux/interrupt.h>
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#include <linux/irq.h>
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#include <linux/bitfield.h>
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#include <linux/dmi.h>
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#include <linux/ctype.h>
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#include <linux/rhashtable.h>
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#include <linux/average.h>
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#include "qmi.h"
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#include "htc.h"
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#include "wmi.h"
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#include "hal.h"
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#include "dp.h"
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#include "ce.h"
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#include "mac.h"
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#include "hw.h"
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#include "hal_rx.h"
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#include "reg.h"
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#include "thermal.h"
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#include "dbring.h"
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#include "spectral.h"
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#include "wow.h"
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#define SM(_v, _f) (((_v) << _f##_LSB) & _f##_MASK)
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#define ATH11K_TX_MGMT_NUM_PENDING_MAX 512
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#define ATH11K_TX_MGMT_TARGET_MAX_SUPPORT_WMI 64
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/* Pending management packets threshold for dropping probe responses */
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#define ATH11K_PRB_RSP_DROP_THRESHOLD ((ATH11K_TX_MGMT_TARGET_MAX_SUPPORT_WMI * 3) / 4)
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#define ATH11K_INVALID_HW_MAC_ID 0xFF
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#define ATH11K_CONNECTION_LOSS_HZ (3 * HZ)
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/* SMBIOS type containing Board Data File Name Extension */
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#define ATH11K_SMBIOS_BDF_EXT_TYPE 0xF8
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/* SMBIOS type structure length (excluding strings-set) */
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#define ATH11K_SMBIOS_BDF_EXT_LENGTH 0x9
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/* The magic used by QCA spec */
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#define ATH11K_SMBIOS_BDF_EXT_MAGIC "BDF_"
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extern unsigned int ath11k_frame_mode;
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extern bool ath11k_ftm_mode;
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#define ATH11K_SCAN_TIMEOUT_HZ (20 * HZ)
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#define ATH11K_MON_TIMER_INTERVAL 10
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#define ATH11K_RESET_TIMEOUT_HZ (20 * HZ)
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#define ATH11K_RESET_MAX_FAIL_COUNT_FIRST 3
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#define ATH11K_RESET_MAX_FAIL_COUNT_FINAL 5
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#define ATH11K_RESET_FAIL_TIMEOUT_HZ (20 * HZ)
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#define ATH11K_RECONFIGURE_TIMEOUT_HZ (10 * HZ)
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#define ATH11K_RECOVER_START_TIMEOUT_HZ (20 * HZ)
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enum ath11k_supported_bw {
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ATH11K_BW_20 = 0,
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ATH11K_BW_40 = 1,
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ATH11K_BW_80 = 2,
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ATH11K_BW_160 = 3,
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};
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enum ath11k_bdf_search {
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ATH11K_BDF_SEARCH_DEFAULT,
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ATH11K_BDF_SEARCH_BUS_AND_BOARD,
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};
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enum wme_ac {
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WME_AC_BE,
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WME_AC_BK,
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WME_AC_VI,
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WME_AC_VO,
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WME_NUM_AC
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};
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#define ATH11K_HT_MCS_MAX 7
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#define ATH11K_VHT_MCS_MAX 9
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#define ATH11K_HE_MCS_MAX 11
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enum ath11k_crypt_mode {
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/* Only use hardware crypto engine */
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ATH11K_CRYPT_MODE_HW,
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/* Only use software crypto */
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ATH11K_CRYPT_MODE_SW,
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};
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static inline enum wme_ac ath11k_tid_to_ac(u32 tid)
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{
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return (((tid == 0) || (tid == 3)) ? WME_AC_BE :
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((tid == 1) || (tid == 2)) ? WME_AC_BK :
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((tid == 4) || (tid == 5)) ? WME_AC_VI :
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WME_AC_VO);
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}
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enum ath11k_skb_flags {
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ATH11K_SKB_HW_80211_ENCAP = BIT(0),
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ATH11K_SKB_CIPHER_SET = BIT(1),
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};
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struct ath11k_skb_cb {
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dma_addr_t paddr;
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u8 eid;
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u8 flags;
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u32 cipher;
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struct ath11k *ar;
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struct ieee80211_vif *vif;
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} __packed;
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struct ath11k_skb_rxcb {
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dma_addr_t paddr;
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bool is_first_msdu;
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bool is_last_msdu;
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bool is_continuation;
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bool is_mcbc;
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bool is_eapol;
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struct hal_rx_desc *rx_desc;
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u8 err_rel_src;
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u8 err_code;
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u8 mac_id;
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u8 unmapped;
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u8 is_frag;
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u8 tid;
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u16 peer_id;
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u16 seq_no;
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};
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enum ath11k_hw_rev {
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ATH11K_HW_IPQ8074,
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ATH11K_HW_QCA6390_HW20,
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ATH11K_HW_IPQ6018_HW10,
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ATH11K_HW_QCN9074_HW10,
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ATH11K_HW_WCN6855_HW20,
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ATH11K_HW_WCN6855_HW21,
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ATH11K_HW_WCN6750_HW10,
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ATH11K_HW_IPQ5018_HW10,
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};
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enum ath11k_firmware_mode {
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/* the default mode, standard 802.11 functionality */
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ATH11K_FIRMWARE_MODE_NORMAL,
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/* factory tests etc */
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ATH11K_FIRMWARE_MODE_FTM,
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/* Cold boot calibration */
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ATH11K_FIRMWARE_MODE_COLD_BOOT = 7,
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};
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extern bool ath11k_cold_boot_cal;
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#define ATH11K_IRQ_NUM_MAX 52
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#define ATH11K_EXT_IRQ_NUM_MAX 16
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struct ath11k_ext_irq_grp {
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struct ath11k_base *ab;
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u32 irqs[ATH11K_EXT_IRQ_NUM_MAX];
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u32 num_irq;
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u32 grp_id;
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u64 timestamp;
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bool napi_enabled;
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struct napi_struct napi;
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struct net_device napi_ndev;
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};
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enum ath11k_smbios_cc_type {
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/* disable country code setting from SMBIOS */
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ATH11K_SMBIOS_CC_DISABLE = 0,
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/* set country code by ANSI country name, based on ISO3166-1 alpha2 */
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ATH11K_SMBIOS_CC_ISO = 1,
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/* worldwide regdomain */
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ATH11K_SMBIOS_CC_WW = 2,
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};
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struct ath11k_smbios_bdf {
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struct dmi_header hdr;
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u8 features_disabled;
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/* enum ath11k_smbios_cc_type */
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u8 country_code_flag;
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/* To set specific country, you need to set country code
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* flag=ATH11K_SMBIOS_CC_ISO first, then if country is United
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* States, then country code value = 0x5553 ("US",'U' = 0x55, 'S'=
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* 0x53). To set country to INDONESIA, then country code value =
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* 0x4944 ("IN", 'I'=0x49, 'D'=0x44). If country code flag =
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* ATH11K_SMBIOS_CC_WW, then you can use worldwide regulatory
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* setting.
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*/
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u16 cc_code;
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u8 bdf_enabled;
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u8 bdf_ext[];
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} __packed;
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#define HEHANDLE_CAP_PHYINFO_SIZE 3
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#define HECAP_PHYINFO_SIZE 9
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#define HECAP_MACINFO_SIZE 5
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#define HECAP_TXRX_MCS_NSS_SIZE 2
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#define HECAP_PPET16_PPET8_MAX_SIZE 25
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#define HE_PPET16_PPET8_SIZE 8
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/* 802.11ax PPE (PPDU packet Extension) threshold */
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struct he_ppe_threshold {
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u32 numss_m1;
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u32 ru_mask;
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u32 ppet16_ppet8_ru3_ru0[HE_PPET16_PPET8_SIZE];
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};
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struct ath11k_he {
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u8 hecap_macinfo[HECAP_MACINFO_SIZE];
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u32 hecap_rxmcsnssmap;
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u32 hecap_txmcsnssmap;
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u32 hecap_phyinfo[HEHANDLE_CAP_PHYINFO_SIZE];
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struct he_ppe_threshold hecap_ppet;
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u32 heop_param;
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};
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#define MAX_RADIOS 3
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/* ipq5018 hw param macros */
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#define MAX_RADIOS_5018 1
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#define CE_CNT_5018 6
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#define TARGET_CE_CNT_5018 9
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#define SVC_CE_MAP_LEN_5018 17
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#define RXDMA_PER_PDEV_5018 1
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enum {
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WMI_HOST_TP_SCALE_MAX = 0,
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WMI_HOST_TP_SCALE_50 = 1,
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WMI_HOST_TP_SCALE_25 = 2,
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WMI_HOST_TP_SCALE_12 = 3,
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WMI_HOST_TP_SCALE_MIN = 4,
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WMI_HOST_TP_SCALE_SIZE = 5,
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};
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enum ath11k_scan_state {
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ATH11K_SCAN_IDLE,
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ATH11K_SCAN_STARTING,
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ATH11K_SCAN_RUNNING,
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ATH11K_SCAN_ABORTING,
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};
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enum ath11k_11d_state {
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ATH11K_11D_IDLE,
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ATH11K_11D_PREPARING,
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ATH11K_11D_RUNNING,
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};
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enum ath11k_dev_flags {
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ATH11K_CAC_RUNNING,
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ATH11K_FLAG_CORE_REGISTERED,
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ATH11K_FLAG_CRASH_FLUSH,
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ATH11K_FLAG_RAW_MODE,
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ATH11K_FLAG_HW_CRYPTO_DISABLED,
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ATH11K_FLAG_BTCOEX,
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ATH11K_FLAG_RECOVERY,
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ATH11K_FLAG_UNREGISTERING,
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ATH11K_FLAG_REGISTERED,
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ATH11K_FLAG_QMI_FAIL,
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ATH11K_FLAG_HTC_SUSPEND_COMPLETE,
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ATH11K_FLAG_CE_IRQ_ENABLED,
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ATH11K_FLAG_EXT_IRQ_ENABLED,
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ATH11K_FLAG_FIXED_MEM_RGN,
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ATH11K_FLAG_DEVICE_INIT_DONE,
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ATH11K_FLAG_MULTI_MSI_VECTORS,
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ATH11K_FLAG_FTM_SEGMENTED,
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};
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enum ath11k_monitor_flags {
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ATH11K_FLAG_MONITOR_CONF_ENABLED,
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ATH11K_FLAG_MONITOR_STARTED,
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ATH11K_FLAG_MONITOR_VDEV_CREATED,
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};
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#define ATH11K_IPV6_UC_TYPE 0
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#define ATH11K_IPV6_AC_TYPE 1
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#define ATH11K_IPV6_MAX_COUNT 16
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#define ATH11K_IPV4_MAX_COUNT 2
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struct ath11k_arp_ns_offload {
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u8 ipv4_addr[ATH11K_IPV4_MAX_COUNT][4];
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u32 ipv4_count;
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u32 ipv6_count;
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u8 ipv6_addr[ATH11K_IPV6_MAX_COUNT][16];
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u8 self_ipv6_addr[ATH11K_IPV6_MAX_COUNT][16];
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u8 ipv6_type[ATH11K_IPV6_MAX_COUNT];
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bool ipv6_valid[ATH11K_IPV6_MAX_COUNT];
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u8 mac_addr[ETH_ALEN];
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};
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struct ath11k_rekey_data {
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u8 kck[NL80211_KCK_LEN];
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u8 kek[NL80211_KCK_LEN];
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u64 replay_ctr;
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bool enable_offload;
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};
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struct ath11k_vif {
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u32 vdev_id;
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enum wmi_vdev_type vdev_type;
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enum wmi_vdev_subtype vdev_subtype;
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u32 beacon_interval;
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u32 dtim_period;
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u16 ast_hash;
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u16 ast_idx;
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u16 tcl_metadata;
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u8 hal_addr_search_flags;
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u8 search_type;
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struct ath11k *ar;
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struct ieee80211_vif *vif;
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u16 tx_seq_no;
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struct wmi_wmm_params_all_arg wmm_params;
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struct list_head list;
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union {
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struct {
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u32 uapsd;
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} sta;
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struct {
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/* 127 stations; wmi limit */
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u8 tim_bitmap[16];
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u8 tim_len;
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u32 ssid_len;
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u8 ssid[IEEE80211_MAX_SSID_LEN];
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bool hidden_ssid;
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/* P2P_IE with NoA attribute for P2P_GO case */
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u32 noa_len;
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u8 *noa_data;
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} ap;
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} u;
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bool is_started;
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bool is_up;
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bool ftm_responder;
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bool spectral_enabled;
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bool ps;
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u32 aid;
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u8 bssid[ETH_ALEN];
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struct cfg80211_bitrate_mask bitrate_mask;
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struct delayed_work connection_loss_work;
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int num_legacy_stations;
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int rtscts_prot_mode;
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int txpower;
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bool rsnie_present;
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bool wpaie_present;
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bool bcca_zero_sent;
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bool do_not_send_tmpl;
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struct ieee80211_chanctx_conf chanctx;
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struct ath11k_arp_ns_offload arp_ns_offload;
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struct ath11k_rekey_data rekey_data;
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#ifdef CONFIG_ATH11K_DEBUGFS
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struct dentry *debugfs_twt;
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#endif /* CONFIG_ATH11K_DEBUGFS */
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};
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struct ath11k_vif_iter {
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u32 vdev_id;
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struct ath11k_vif *arvif;
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};
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struct ath11k_rx_peer_stats {
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u64 num_msdu;
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u64 num_mpdu_fcs_ok;
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u64 num_mpdu_fcs_err;
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u64 tcp_msdu_count;
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u64 udp_msdu_count;
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u64 other_msdu_count;
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u64 ampdu_msdu_count;
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u64 non_ampdu_msdu_count;
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u64 stbc_count;
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u64 beamformed_count;
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u64 mcs_count[HAL_RX_MAX_MCS + 1];
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u64 nss_count[HAL_RX_MAX_NSS];
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u64 bw_count[HAL_RX_BW_MAX];
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u64 gi_count[HAL_RX_GI_MAX];
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u64 coding_count[HAL_RX_SU_MU_CODING_MAX];
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u64 tid_count[IEEE80211_NUM_TIDS + 1];
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u64 pream_cnt[HAL_RX_PREAMBLE_MAX];
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u64 reception_type[HAL_RX_RECEPTION_TYPE_MAX];
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u64 rx_duration;
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u64 dcm_count;
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u64 ru_alloc_cnt[HAL_RX_RU_ALLOC_TYPE_MAX];
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};
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#define ATH11K_HE_MCS_NUM 12
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#define ATH11K_VHT_MCS_NUM 10
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#define ATH11K_BW_NUM 4
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#define ATH11K_NSS_NUM 4
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#define ATH11K_LEGACY_NUM 12
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#define ATH11K_GI_NUM 4
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#define ATH11K_HT_MCS_NUM 32
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enum ath11k_pkt_rx_err {
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ATH11K_PKT_RX_ERR_FCS,
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ATH11K_PKT_RX_ERR_TKIP,
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ATH11K_PKT_RX_ERR_CRYPT,
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ATH11K_PKT_RX_ERR_PEER_IDX_INVAL,
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ATH11K_PKT_RX_ERR_MAX,
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};
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enum ath11k_ampdu_subfrm_num {
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ATH11K_AMPDU_SUBFRM_NUM_10,
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ATH11K_AMPDU_SUBFRM_NUM_20,
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ATH11K_AMPDU_SUBFRM_NUM_30,
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ATH11K_AMPDU_SUBFRM_NUM_40,
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ATH11K_AMPDU_SUBFRM_NUM_50,
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ATH11K_AMPDU_SUBFRM_NUM_60,
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ATH11K_AMPDU_SUBFRM_NUM_MORE,
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ATH11K_AMPDU_SUBFRM_NUM_MAX,
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};
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enum ath11k_amsdu_subfrm_num {
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ATH11K_AMSDU_SUBFRM_NUM_1,
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ATH11K_AMSDU_SUBFRM_NUM_2,
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ATH11K_AMSDU_SUBFRM_NUM_3,
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ATH11K_AMSDU_SUBFRM_NUM_4,
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ATH11K_AMSDU_SUBFRM_NUM_MORE,
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ATH11K_AMSDU_SUBFRM_NUM_MAX,
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};
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enum ath11k_counter_type {
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ATH11K_COUNTER_TYPE_BYTES,
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ATH11K_COUNTER_TYPE_PKTS,
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ATH11K_COUNTER_TYPE_MAX,
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};
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enum ath11k_stats_type {
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ATH11K_STATS_TYPE_SUCC,
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ATH11K_STATS_TYPE_FAIL,
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ATH11K_STATS_TYPE_RETRY,
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ATH11K_STATS_TYPE_AMPDU,
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ATH11K_STATS_TYPE_MAX,
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};
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struct ath11k_htt_data_stats {
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u64 legacy[ATH11K_COUNTER_TYPE_MAX][ATH11K_LEGACY_NUM];
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u64 ht[ATH11K_COUNTER_TYPE_MAX][ATH11K_HT_MCS_NUM];
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u64 vht[ATH11K_COUNTER_TYPE_MAX][ATH11K_VHT_MCS_NUM];
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u64 he[ATH11K_COUNTER_TYPE_MAX][ATH11K_HE_MCS_NUM];
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u64 bw[ATH11K_COUNTER_TYPE_MAX][ATH11K_BW_NUM];
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u64 nss[ATH11K_COUNTER_TYPE_MAX][ATH11K_NSS_NUM];
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u64 gi[ATH11K_COUNTER_TYPE_MAX][ATH11K_GI_NUM];
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};
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struct ath11k_htt_tx_stats {
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struct ath11k_htt_data_stats stats[ATH11K_STATS_TYPE_MAX];
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u64 tx_duration;
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u64 ba_fails;
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u64 ack_fails;
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};
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struct ath11k_per_ppdu_tx_stats {
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u16 succ_pkts;
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u16 failed_pkts;
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u16 retry_pkts;
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u32 succ_bytes;
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u32 failed_bytes;
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u32 retry_bytes;
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};
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DECLARE_EWMA(avg_rssi, 10, 8)
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|
|
struct ath11k_sta {
|
|
struct ath11k_vif *arvif;
|
|
|
|
/* the following are protected by ar->data_lock */
|
|
u32 changed; /* IEEE80211_RC_* */
|
|
u32 bw;
|
|
u32 nss;
|
|
u32 smps;
|
|
enum hal_pn_type pn_type;
|
|
|
|
struct work_struct update_wk;
|
|
struct work_struct set_4addr_wk;
|
|
struct rate_info txrate;
|
|
u32 peer_nss;
|
|
struct rate_info last_txrate;
|
|
u64 rx_duration;
|
|
u64 tx_duration;
|
|
u8 rssi_comb;
|
|
struct ewma_avg_rssi avg_rssi;
|
|
s8 rssi_beacon;
|
|
s8 chain_signal[IEEE80211_MAX_CHAINS];
|
|
struct ath11k_htt_tx_stats *tx_stats;
|
|
struct ath11k_rx_peer_stats *rx_stats;
|
|
|
|
#ifdef CONFIG_MAC80211_DEBUGFS
|
|
/* protected by conf_mutex */
|
|
bool aggr_mode;
|
|
#endif
|
|
|
|
bool use_4addr_set;
|
|
u16 tcl_metadata;
|
|
|
|
/* Protected with ar->data_lock */
|
|
enum ath11k_wmi_peer_ps_state peer_ps_state;
|
|
u64 ps_start_time;
|
|
u64 ps_start_jiffies;
|
|
u64 ps_total_duration;
|
|
bool peer_current_ps_valid;
|
|
|
|
u32 bw_prev;
|
|
};
|
|
|
|
#define ATH11K_MIN_5G_FREQ 4150
|
|
#define ATH11K_MIN_6G_FREQ 5925
|
|
#define ATH11K_MAX_6G_FREQ 7115
|
|
#define ATH11K_NUM_CHANS 102
|
|
#define ATH11K_MAX_5G_CHAN 177
|
|
|
|
enum ath11k_state {
|
|
ATH11K_STATE_OFF,
|
|
ATH11K_STATE_ON,
|
|
ATH11K_STATE_RESTARTING,
|
|
ATH11K_STATE_RESTARTED,
|
|
ATH11K_STATE_WEDGED,
|
|
ATH11K_STATE_FTM,
|
|
/* Add other states as required */
|
|
};
|
|
|
|
/* Antenna noise floor */
|
|
#define ATH11K_DEFAULT_NOISE_FLOOR -95
|
|
|
|
#define ATH11K_INVALID_RSSI_FULL -1
|
|
|
|
#define ATH11K_INVALID_RSSI_EMPTY -128
|
|
|
|
struct ath11k_fw_stats {
|
|
struct dentry *debugfs_fwstats;
|
|
u32 pdev_id;
|
|
u32 stats_id;
|
|
struct list_head pdevs;
|
|
struct list_head vdevs;
|
|
struct list_head bcn;
|
|
};
|
|
|
|
struct ath11k_dbg_htt_stats {
|
|
u8 type;
|
|
u8 reset;
|
|
struct debug_htt_stats_req *stats_req;
|
|
/* protects shared stats req buffer */
|
|
spinlock_t lock;
|
|
};
|
|
|
|
#define MAX_MODULE_ID_BITMAP_WORDS 16
|
|
|
|
struct ath11k_debug {
|
|
struct dentry *debugfs_pdev;
|
|
struct ath11k_dbg_htt_stats htt_stats;
|
|
u32 extd_tx_stats;
|
|
u32 extd_rx_stats;
|
|
u32 pktlog_filter;
|
|
u32 pktlog_mode;
|
|
u32 pktlog_peer_valid;
|
|
u8 pktlog_peer_addr[ETH_ALEN];
|
|
u32 rx_filter;
|
|
u32 mem_offset;
|
|
u32 module_id_bitmap[MAX_MODULE_ID_BITMAP_WORDS];
|
|
struct ath11k_debug_dbr *dbr_debug[WMI_DIRECT_BUF_MAX];
|
|
};
|
|
|
|
struct ath11k_per_peer_tx_stats {
|
|
u32 succ_bytes;
|
|
u32 retry_bytes;
|
|
u32 failed_bytes;
|
|
u16 succ_pkts;
|
|
u16 retry_pkts;
|
|
u16 failed_pkts;
|
|
u32 duration;
|
|
u8 ba_fails;
|
|
bool is_ampdu;
|
|
};
|
|
|
|
#define ATH11K_FLUSH_TIMEOUT (5 * HZ)
|
|
#define ATH11K_VDEV_DELETE_TIMEOUT_HZ (5 * HZ)
|
|
|
|
struct ath11k {
|
|
struct ath11k_base *ab;
|
|
struct ath11k_pdev *pdev;
|
|
struct ieee80211_hw *hw;
|
|
struct ieee80211_ops *ops;
|
|
struct ath11k_pdev_wmi *wmi;
|
|
struct ath11k_pdev_dp dp;
|
|
u8 mac_addr[ETH_ALEN];
|
|
struct ath11k_he ar_he;
|
|
enum ath11k_state state;
|
|
bool supports_6ghz;
|
|
struct {
|
|
struct completion started;
|
|
struct completion completed;
|
|
struct completion on_channel;
|
|
struct delayed_work timeout;
|
|
enum ath11k_scan_state state;
|
|
bool is_roc;
|
|
int vdev_id;
|
|
int roc_freq;
|
|
bool roc_notify;
|
|
} scan;
|
|
|
|
struct {
|
|
struct ieee80211_supported_band sbands[NUM_NL80211_BANDS];
|
|
struct ieee80211_sband_iftype_data
|
|
iftype[NUM_NL80211_BANDS][NUM_NL80211_IFTYPES];
|
|
} mac;
|
|
|
|
unsigned long dev_flags;
|
|
unsigned int filter_flags;
|
|
unsigned long monitor_flags;
|
|
u32 min_tx_power;
|
|
u32 max_tx_power;
|
|
u32 txpower_limit_2g;
|
|
u32 txpower_limit_5g;
|
|
u32 txpower_scale;
|
|
u32 power_scale;
|
|
u32 chan_tx_pwr;
|
|
u32 num_stations;
|
|
u32 max_num_stations;
|
|
/* To synchronize concurrent synchronous mac80211 callback operations,
|
|
* concurrent debugfs configuration and concurrent FW statistics events.
|
|
*/
|
|
struct mutex conf_mutex;
|
|
/* protects the radio specific data like debug stats, ppdu_stats_info stats,
|
|
* vdev_stop_status info, scan data, ath11k_sta info, ath11k_vif info,
|
|
* channel context data, survey info, test mode data.
|
|
*/
|
|
spinlock_t data_lock;
|
|
|
|
struct list_head arvifs;
|
|
/* should never be NULL; needed for regular htt rx */
|
|
struct ieee80211_channel *rx_channel;
|
|
|
|
/* valid during scan; needed for mgmt rx during scan */
|
|
struct ieee80211_channel *scan_channel;
|
|
|
|
u8 cfg_tx_chainmask;
|
|
u8 cfg_rx_chainmask;
|
|
u8 num_rx_chains;
|
|
u8 num_tx_chains;
|
|
/* pdev_idx starts from 0 whereas pdev->pdev_id starts with 1 */
|
|
u8 pdev_idx;
|
|
u8 lmac_id;
|
|
|
|
struct completion peer_assoc_done;
|
|
struct completion peer_delete_done;
|
|
|
|
int install_key_status;
|
|
struct completion install_key_done;
|
|
|
|
int last_wmi_vdev_start_status;
|
|
struct completion vdev_setup_done;
|
|
struct completion vdev_delete_done;
|
|
|
|
int num_peers;
|
|
int max_num_peers;
|
|
u32 num_started_vdevs;
|
|
u32 num_created_vdevs;
|
|
unsigned long long allocated_vdev_map;
|
|
|
|
struct idr txmgmt_idr;
|
|
/* protects txmgmt_idr data */
|
|
spinlock_t txmgmt_idr_lock;
|
|
atomic_t num_pending_mgmt_tx;
|
|
wait_queue_head_t txmgmt_empty_waitq;
|
|
|
|
/* cycle count is reported twice for each visited channel during scan.
|
|
* access protected by data_lock
|
|
*/
|
|
u32 survey_last_rx_clear_count;
|
|
u32 survey_last_cycle_count;
|
|
|
|
/* Channel info events are expected to come in pairs without and with
|
|
* COMPLETE flag set respectively for each channel visit during scan.
|
|
*
|
|
* However there are deviations from this rule. This flag is used to
|
|
* avoid reporting garbage data.
|
|
*/
|
|
bool ch_info_can_report_survey;
|
|
struct survey_info survey[ATH11K_NUM_CHANS];
|
|
struct completion bss_survey_done;
|
|
|
|
struct work_struct regd_update_work;
|
|
|
|
struct work_struct wmi_mgmt_tx_work;
|
|
struct sk_buff_head wmi_mgmt_tx_queue;
|
|
|
|
struct ath11k_wow wow;
|
|
struct completion target_suspend;
|
|
bool target_suspend_ack;
|
|
struct ath11k_per_peer_tx_stats peer_tx_stats;
|
|
struct list_head ppdu_stats_info;
|
|
u32 ppdu_stat_list_depth;
|
|
|
|
struct ath11k_per_peer_tx_stats cached_stats;
|
|
u32 last_ppdu_id;
|
|
u32 cached_ppdu_id;
|
|
int monitor_vdev_id;
|
|
struct completion fw_mode_reset;
|
|
u8 ftm_msgref;
|
|
#ifdef CONFIG_ATH11K_DEBUGFS
|
|
struct ath11k_debug debug;
|
|
#endif
|
|
#ifdef CONFIG_ATH11K_SPECTRAL
|
|
struct ath11k_spectral spectral;
|
|
#endif
|
|
bool dfs_block_radar_events;
|
|
struct ath11k_thermal thermal;
|
|
u32 vdev_id_11d_scan;
|
|
struct completion completed_11d_scan;
|
|
enum ath11k_11d_state state_11d;
|
|
bool regdom_set_by_user;
|
|
int hw_rate_code;
|
|
u8 twt_enabled;
|
|
bool nlo_enabled;
|
|
u8 alpha2[REG_ALPHA2_LEN + 1];
|
|
struct ath11k_fw_stats fw_stats;
|
|
struct completion fw_stats_complete;
|
|
bool fw_stats_done;
|
|
|
|
/* protected by conf_mutex */
|
|
bool ps_state_enable;
|
|
bool ps_timekeeper_enable;
|
|
};
|
|
|
|
struct ath11k_band_cap {
|
|
u32 phy_id;
|
|
u32 max_bw_supported;
|
|
u32 ht_cap_info;
|
|
u32 he_cap_info[2];
|
|
u32 he_mcs;
|
|
u32 he_cap_phy_info[PSOC_HOST_MAX_PHY_SIZE];
|
|
struct ath11k_ppe_threshold he_ppet;
|
|
u16 he_6ghz_capa;
|
|
};
|
|
|
|
struct ath11k_pdev_cap {
|
|
u32 supported_bands;
|
|
u32 ampdu_density;
|
|
u32 vht_cap;
|
|
u32 vht_mcs;
|
|
u32 he_mcs;
|
|
u32 tx_chain_mask;
|
|
u32 rx_chain_mask;
|
|
u32 tx_chain_mask_shift;
|
|
u32 rx_chain_mask_shift;
|
|
struct ath11k_band_cap band[NUM_NL80211_BANDS];
|
|
bool nss_ratio_enabled;
|
|
u8 nss_ratio_info;
|
|
};
|
|
|
|
struct ath11k_pdev {
|
|
struct ath11k *ar;
|
|
u32 pdev_id;
|
|
struct ath11k_pdev_cap cap;
|
|
u8 mac_addr[ETH_ALEN];
|
|
};
|
|
|
|
struct ath11k_board_data {
|
|
const struct firmware *fw;
|
|
const void *data;
|
|
size_t len;
|
|
};
|
|
|
|
struct ath11k_pci_ops {
|
|
int (*wakeup)(struct ath11k_base *ab);
|
|
void (*release)(struct ath11k_base *ab);
|
|
int (*get_msi_irq)(struct ath11k_base *ab, unsigned int vector);
|
|
void (*window_write32)(struct ath11k_base *ab, u32 offset, u32 value);
|
|
u32 (*window_read32)(struct ath11k_base *ab, u32 offset);
|
|
};
|
|
|
|
/* IPQ8074 HW channel counters frequency value in hertz */
|
|
#define IPQ8074_CC_FREQ_HERTZ 320000
|
|
|
|
struct ath11k_bp_stats {
|
|
/* Head Pointer reported by the last HTT Backpressure event for the ring */
|
|
u16 hp;
|
|
|
|
/* Tail Pointer reported by the last HTT Backpressure event for the ring */
|
|
u16 tp;
|
|
|
|
/* Number of Backpressure events received for the ring */
|
|
u32 count;
|
|
|
|
/* Last recorded event timestamp */
|
|
unsigned long jiffies;
|
|
};
|
|
|
|
struct ath11k_dp_ring_bp_stats {
|
|
struct ath11k_bp_stats umac_ring_bp_stats[HTT_SW_UMAC_RING_IDX_MAX];
|
|
struct ath11k_bp_stats lmac_ring_bp_stats[HTT_SW_LMAC_RING_IDX_MAX][MAX_RADIOS];
|
|
};
|
|
|
|
struct ath11k_soc_dp_tx_err_stats {
|
|
/* TCL Ring Descriptor unavailable */
|
|
u32 desc_na[DP_TCL_NUM_RING_MAX];
|
|
/* Other failures during dp_tx due to mem allocation failure
|
|
* idr unavailable etc.
|
|
*/
|
|
atomic_t misc_fail;
|
|
};
|
|
|
|
struct ath11k_soc_dp_stats {
|
|
u32 err_ring_pkts;
|
|
u32 invalid_rbm;
|
|
u32 rxdma_error[HAL_REO_ENTR_RING_RXDMA_ECODE_MAX];
|
|
u32 reo_error[HAL_REO_DEST_RING_ERROR_CODE_MAX];
|
|
u32 hal_reo_error[DP_REO_DST_RING_MAX];
|
|
struct ath11k_soc_dp_tx_err_stats tx_err;
|
|
struct ath11k_dp_ring_bp_stats bp_stats;
|
|
};
|
|
|
|
struct ath11k_msi_user {
|
|
char *name;
|
|
int num_vectors;
|
|
u32 base_vector;
|
|
};
|
|
|
|
struct ath11k_msi_config {
|
|
int total_vectors;
|
|
int total_users;
|
|
struct ath11k_msi_user *users;
|
|
u16 hw_rev;
|
|
};
|
|
|
|
/* Master structure to hold the hw data which may be used in core module */
|
|
struct ath11k_base {
|
|
enum ath11k_hw_rev hw_rev;
|
|
enum ath11k_firmware_mode fw_mode;
|
|
struct platform_device *pdev;
|
|
struct device *dev;
|
|
struct ath11k_qmi qmi;
|
|
struct ath11k_wmi_base wmi_ab;
|
|
struct completion fw_ready;
|
|
int num_radios;
|
|
/* HW channel counters frequency value in hertz common to all MACs */
|
|
u32 cc_freq_hz;
|
|
|
|
struct ath11k_htc htc;
|
|
|
|
struct ath11k_dp dp;
|
|
|
|
void __iomem *mem;
|
|
void __iomem *mem_ce;
|
|
unsigned long mem_len;
|
|
|
|
struct {
|
|
enum ath11k_bus bus;
|
|
const struct ath11k_hif_ops *ops;
|
|
} hif;
|
|
|
|
struct {
|
|
struct completion wakeup_completed;
|
|
} wow;
|
|
|
|
struct ath11k_ce ce;
|
|
struct timer_list rx_replenish_retry;
|
|
struct ath11k_hal hal;
|
|
/* To synchronize core_start/core_stop */
|
|
struct mutex core_lock;
|
|
/* Protects data like peers */
|
|
spinlock_t base_lock;
|
|
struct ath11k_pdev pdevs[MAX_RADIOS];
|
|
struct {
|
|
enum WMI_HOST_WLAN_BAND supported_bands;
|
|
u32 pdev_id;
|
|
} target_pdev_ids[MAX_RADIOS];
|
|
u8 target_pdev_count;
|
|
struct ath11k_pdev __rcu *pdevs_active[MAX_RADIOS];
|
|
struct ath11k_hal_reg_capabilities_ext hal_reg_cap[MAX_RADIOS];
|
|
unsigned long long free_vdev_map;
|
|
|
|
/* To synchronize rhash tbl write operation */
|
|
struct mutex tbl_mtx_lock;
|
|
|
|
/* The rhashtable containing struct ath11k_peer keyed by mac addr */
|
|
struct rhashtable *rhead_peer_addr;
|
|
struct rhashtable_params rhash_peer_addr_param;
|
|
|
|
/* The rhashtable containing struct ath11k_peer keyed by id */
|
|
struct rhashtable *rhead_peer_id;
|
|
struct rhashtable_params rhash_peer_id_param;
|
|
|
|
struct list_head peers;
|
|
wait_queue_head_t peer_mapping_wq;
|
|
u8 mac_addr[ETH_ALEN];
|
|
bool wmi_ready;
|
|
u32 wlan_init_status;
|
|
int irq_num[ATH11K_IRQ_NUM_MAX];
|
|
struct ath11k_ext_irq_grp ext_irq_grp[ATH11K_EXT_IRQ_GRP_NUM_MAX];
|
|
struct ath11k_targ_cap target_caps;
|
|
u32 ext_service_bitmap[WMI_SERVICE_EXT_BM_SIZE];
|
|
bool pdevs_macaddr_valid;
|
|
int bd_api;
|
|
|
|
struct ath11k_hw_params hw_params;
|
|
|
|
const struct firmware *cal_file;
|
|
|
|
/* Below regd's are protected by ab->data_lock */
|
|
/* This is the regd set for every radio
|
|
* by the firmware during initialization
|
|
*/
|
|
struct ieee80211_regdomain *default_regd[MAX_RADIOS];
|
|
/* This regd is set during dynamic country setting
|
|
* This may or may not be used during the runtime
|
|
*/
|
|
struct ieee80211_regdomain *new_regd[MAX_RADIOS];
|
|
|
|
/* Current DFS Regulatory */
|
|
enum ath11k_dfs_region dfs_region;
|
|
#ifdef CONFIG_ATH11K_DEBUGFS
|
|
struct dentry *debugfs_soc;
|
|
#endif
|
|
struct ath11k_soc_dp_stats soc_stats;
|
|
|
|
unsigned long dev_flags;
|
|
struct completion driver_recovery;
|
|
struct workqueue_struct *workqueue;
|
|
struct work_struct restart_work;
|
|
struct work_struct update_11d_work;
|
|
u8 new_alpha2[3];
|
|
struct workqueue_struct *workqueue_aux;
|
|
struct work_struct reset_work;
|
|
atomic_t reset_count;
|
|
atomic_t recovery_count;
|
|
atomic_t recovery_start_count;
|
|
bool is_reset;
|
|
struct completion reset_complete;
|
|
struct completion reconfigure_complete;
|
|
struct completion recovery_start;
|
|
/* continuous recovery fail count */
|
|
atomic_t fail_cont_count;
|
|
unsigned long reset_fail_timeout;
|
|
struct {
|
|
/* protected by data_lock */
|
|
u32 fw_crash_counter;
|
|
} stats;
|
|
u32 pktlog_defs_checksum;
|
|
|
|
struct ath11k_dbring_cap *db_caps;
|
|
u32 num_db_cap;
|
|
|
|
/* To synchronize 11d scan vdev id */
|
|
struct mutex vdev_id_11d_lock;
|
|
struct timer_list mon_reap_timer;
|
|
|
|
struct completion htc_suspend;
|
|
|
|
struct {
|
|
enum ath11k_bdf_search bdf_search;
|
|
u32 vendor;
|
|
u32 device;
|
|
u32 subsystem_vendor;
|
|
u32 subsystem_device;
|
|
} id;
|
|
|
|
struct {
|
|
struct {
|
|
const struct ath11k_msi_config *config;
|
|
u32 ep_base_data;
|
|
u32 irqs[32];
|
|
u32 addr_lo;
|
|
u32 addr_hi;
|
|
} msi;
|
|
|
|
const struct ath11k_pci_ops *ops;
|
|
} pci;
|
|
|
|
#ifdef CONFIG_NL80211_TESTMODE
|
|
struct {
|
|
u32 data_pos;
|
|
u32 expected_seq;
|
|
u8 *eventdata;
|
|
} testmode;
|
|
#endif
|
|
|
|
/* must be last */
|
|
u8 drv_priv[] __aligned(sizeof(void *));
|
|
};
|
|
|
|
struct ath11k_fw_stats_pdev {
|
|
struct list_head list;
|
|
|
|
/* PDEV stats */
|
|
s32 ch_noise_floor;
|
|
/* Cycles spent transmitting frames */
|
|
u32 tx_frame_count;
|
|
/* Cycles spent receiving frames */
|
|
u32 rx_frame_count;
|
|
/* Total channel busy time, evidently */
|
|
u32 rx_clear_count;
|
|
/* Total on-channel time */
|
|
u32 cycle_count;
|
|
u32 phy_err_count;
|
|
u32 chan_tx_power;
|
|
u32 ack_rx_bad;
|
|
u32 rts_bad;
|
|
u32 rts_good;
|
|
u32 fcs_bad;
|
|
u32 no_beacons;
|
|
u32 mib_int_count;
|
|
|
|
/* PDEV TX stats */
|
|
/* Num HTT cookies queued to dispatch list */
|
|
s32 comp_queued;
|
|
/* Num HTT cookies dispatched */
|
|
s32 comp_delivered;
|
|
/* Num MSDU queued to WAL */
|
|
s32 msdu_enqued;
|
|
/* Num MPDU queue to WAL */
|
|
s32 mpdu_enqued;
|
|
/* Num MSDUs dropped by WMM limit */
|
|
s32 wmm_drop;
|
|
/* Num Local frames queued */
|
|
s32 local_enqued;
|
|
/* Num Local frames done */
|
|
s32 local_freed;
|
|
/* Num queued to HW */
|
|
s32 hw_queued;
|
|
/* Num PPDU reaped from HW */
|
|
s32 hw_reaped;
|
|
/* Num underruns */
|
|
s32 underrun;
|
|
/* Num hw paused */
|
|
u32 hw_paused;
|
|
/* Num PPDUs cleaned up in TX abort */
|
|
s32 tx_abort;
|
|
/* Num MPDUs requeued by SW */
|
|
s32 mpdus_requeued;
|
|
/* excessive retries */
|
|
u32 tx_ko;
|
|
u32 tx_xretry;
|
|
/* data hw rate code */
|
|
u32 data_rc;
|
|
/* Scheduler self triggers */
|
|
u32 self_triggers;
|
|
/* frames dropped due to excessive sw retries */
|
|
u32 sw_retry_failure;
|
|
/* illegal rate phy errors */
|
|
u32 illgl_rate_phy_err;
|
|
/* wal pdev continuous xretry */
|
|
u32 pdev_cont_xretry;
|
|
/* wal pdev tx timeouts */
|
|
u32 pdev_tx_timeout;
|
|
/* wal pdev resets */
|
|
u32 pdev_resets;
|
|
/* frames dropped due to non-availability of stateless TIDs */
|
|
u32 stateless_tid_alloc_failure;
|
|
/* PhY/BB underrun */
|
|
u32 phy_underrun;
|
|
/* MPDU is more than txop limit */
|
|
u32 txop_ovf;
|
|
/* Num sequences posted */
|
|
u32 seq_posted;
|
|
/* Num sequences failed in queueing */
|
|
u32 seq_failed_queueing;
|
|
/* Num sequences completed */
|
|
u32 seq_completed;
|
|
/* Num sequences restarted */
|
|
u32 seq_restarted;
|
|
/* Num of MU sequences posted */
|
|
u32 mu_seq_posted;
|
|
/* Num MPDUs flushed by SW, HWPAUSED, SW TXABORT
|
|
* (Reset,channel change)
|
|
*/
|
|
s32 mpdus_sw_flush;
|
|
/* Num MPDUs filtered by HW, all filter condition (TTL expired) */
|
|
s32 mpdus_hw_filter;
|
|
/* Num MPDUs truncated by PDG (TXOP, TBTT,
|
|
* PPDU_duration based on rate, dyn_bw)
|
|
*/
|
|
s32 mpdus_truncated;
|
|
/* Num MPDUs that was tried but didn't receive ACK or BA */
|
|
s32 mpdus_ack_failed;
|
|
/* Num MPDUs that was dropped du to expiry. */
|
|
s32 mpdus_expired;
|
|
|
|
/* PDEV RX stats */
|
|
/* Cnts any change in ring routing mid-ppdu */
|
|
s32 mid_ppdu_route_change;
|
|
/* Total number of statuses processed */
|
|
s32 status_rcvd;
|
|
/* Extra frags on rings 0-3 */
|
|
s32 r0_frags;
|
|
s32 r1_frags;
|
|
s32 r2_frags;
|
|
s32 r3_frags;
|
|
/* MSDUs / MPDUs delivered to HTT */
|
|
s32 htt_msdus;
|
|
s32 htt_mpdus;
|
|
/* MSDUs / MPDUs delivered to local stack */
|
|
s32 loc_msdus;
|
|
s32 loc_mpdus;
|
|
/* AMSDUs that have more MSDUs than the status ring size */
|
|
s32 oversize_amsdu;
|
|
/* Number of PHY errors */
|
|
s32 phy_errs;
|
|
/* Number of PHY errors drops */
|
|
s32 phy_err_drop;
|
|
/* Number of mpdu errors - FCS, MIC, ENC etc. */
|
|
s32 mpdu_errs;
|
|
/* Num overflow errors */
|
|
s32 rx_ovfl_errs;
|
|
};
|
|
|
|
struct ath11k_fw_stats_vdev {
|
|
struct list_head list;
|
|
|
|
u32 vdev_id;
|
|
u32 beacon_snr;
|
|
u32 data_snr;
|
|
u32 num_tx_frames[WLAN_MAX_AC];
|
|
u32 num_rx_frames;
|
|
u32 num_tx_frames_retries[WLAN_MAX_AC];
|
|
u32 num_tx_frames_failures[WLAN_MAX_AC];
|
|
u32 num_rts_fail;
|
|
u32 num_rts_success;
|
|
u32 num_rx_err;
|
|
u32 num_rx_discard;
|
|
u32 num_tx_not_acked;
|
|
u32 tx_rate_history[MAX_TX_RATE_VALUES];
|
|
u32 beacon_rssi_history[MAX_TX_RATE_VALUES];
|
|
};
|
|
|
|
struct ath11k_fw_stats_bcn {
|
|
struct list_head list;
|
|
|
|
u32 vdev_id;
|
|
u32 tx_bcn_succ_cnt;
|
|
u32 tx_bcn_outage_cnt;
|
|
};
|
|
|
|
void ath11k_fw_stats_init(struct ath11k *ar);
|
|
void ath11k_fw_stats_pdevs_free(struct list_head *head);
|
|
void ath11k_fw_stats_vdevs_free(struct list_head *head);
|
|
void ath11k_fw_stats_bcn_free(struct list_head *head);
|
|
void ath11k_fw_stats_free(struct ath11k_fw_stats *stats);
|
|
|
|
extern const struct ce_pipe_config ath11k_target_ce_config_wlan_ipq8074[];
|
|
extern const struct service_to_pipe ath11k_target_service_to_ce_map_wlan_ipq8074[];
|
|
extern const struct service_to_pipe ath11k_target_service_to_ce_map_wlan_ipq6018[];
|
|
|
|
extern const struct ce_pipe_config ath11k_target_ce_config_wlan_qca6390[];
|
|
extern const struct service_to_pipe ath11k_target_service_to_ce_map_wlan_qca6390[];
|
|
|
|
extern const struct ce_pipe_config ath11k_target_ce_config_wlan_ipq5018[];
|
|
extern const struct service_to_pipe ath11k_target_service_to_ce_map_wlan_ipq5018[];
|
|
|
|
extern const struct ce_pipe_config ath11k_target_ce_config_wlan_qcn9074[];
|
|
extern const struct service_to_pipe ath11k_target_service_to_ce_map_wlan_qcn9074[];
|
|
int ath11k_core_qmi_firmware_ready(struct ath11k_base *ab);
|
|
int ath11k_core_pre_init(struct ath11k_base *ab);
|
|
int ath11k_core_init(struct ath11k_base *ath11k);
|
|
void ath11k_core_deinit(struct ath11k_base *ath11k);
|
|
struct ath11k_base *ath11k_core_alloc(struct device *dev, size_t priv_size,
|
|
enum ath11k_bus bus);
|
|
void ath11k_core_free(struct ath11k_base *ath11k);
|
|
int ath11k_core_fetch_bdf(struct ath11k_base *ath11k,
|
|
struct ath11k_board_data *bd);
|
|
int ath11k_core_fetch_regdb(struct ath11k_base *ab, struct ath11k_board_data *bd);
|
|
int ath11k_core_fetch_board_data_api_1(struct ath11k_base *ab,
|
|
struct ath11k_board_data *bd,
|
|
const char *name);
|
|
void ath11k_core_free_bdf(struct ath11k_base *ab, struct ath11k_board_data *bd);
|
|
int ath11k_core_check_dt(struct ath11k_base *ath11k);
|
|
int ath11k_core_check_smbios(struct ath11k_base *ab);
|
|
void ath11k_core_halt(struct ath11k *ar);
|
|
int ath11k_core_resume(struct ath11k_base *ab);
|
|
int ath11k_core_suspend(struct ath11k_base *ab);
|
|
void ath11k_core_pre_reconfigure_recovery(struct ath11k_base *ab);
|
|
|
|
const struct firmware *ath11k_core_firmware_request(struct ath11k_base *ab,
|
|
const char *filename);
|
|
|
|
static inline const char *ath11k_scan_state_str(enum ath11k_scan_state state)
|
|
{
|
|
switch (state) {
|
|
case ATH11K_SCAN_IDLE:
|
|
return "idle";
|
|
case ATH11K_SCAN_STARTING:
|
|
return "starting";
|
|
case ATH11K_SCAN_RUNNING:
|
|
return "running";
|
|
case ATH11K_SCAN_ABORTING:
|
|
return "aborting";
|
|
}
|
|
|
|
return "unknown";
|
|
}
|
|
|
|
static inline struct ath11k_skb_cb *ATH11K_SKB_CB(struct sk_buff *skb)
|
|
{
|
|
BUILD_BUG_ON(sizeof(struct ath11k_skb_cb) >
|
|
IEEE80211_TX_INFO_DRIVER_DATA_SIZE);
|
|
return (struct ath11k_skb_cb *)&IEEE80211_SKB_CB(skb)->driver_data;
|
|
}
|
|
|
|
static inline struct ath11k_skb_rxcb *ATH11K_SKB_RXCB(struct sk_buff *skb)
|
|
{
|
|
BUILD_BUG_ON(sizeof(struct ath11k_skb_rxcb) > sizeof(skb->cb));
|
|
return (struct ath11k_skb_rxcb *)skb->cb;
|
|
}
|
|
|
|
static inline struct ath11k_vif *ath11k_vif_to_arvif(struct ieee80211_vif *vif)
|
|
{
|
|
return (struct ath11k_vif *)vif->drv_priv;
|
|
}
|
|
|
|
static inline struct ath11k *ath11k_ab_to_ar(struct ath11k_base *ab,
|
|
int mac_id)
|
|
{
|
|
return ab->pdevs[ath11k_hw_mac_id_to_pdev_id(&ab->hw_params, mac_id)].ar;
|
|
}
|
|
|
|
static inline void ath11k_core_create_firmware_path(struct ath11k_base *ab,
|
|
const char *filename,
|
|
void *buf, size_t buf_len)
|
|
{
|
|
snprintf(buf, buf_len, "%s/%s/%s", ATH11K_FW_DIR,
|
|
ab->hw_params.fw.dir, filename);
|
|
}
|
|
|
|
static inline const char *ath11k_bus_str(enum ath11k_bus bus)
|
|
{
|
|
switch (bus) {
|
|
case ATH11K_BUS_PCI:
|
|
return "pci";
|
|
case ATH11K_BUS_AHB:
|
|
return "ahb";
|
|
}
|
|
|
|
return "unknown";
|
|
}
|
|
|
|
#endif /* _CORE_H_ */
|