path: root/drivers/net/wireless/ath/ath10k/core.h

/* SPDX-License-Identifier: ISC */
/*
 * Copyright (c) 2005-2011 Atheros Communications Inc.
 * Copyright (c) 2011-2017 Qualcomm Atheros, Inc.
 * Copyright (c) 2018, The Linux Foundation. All rights reserved.
 */

#ifndef _CORE_H_
#define _CORE_H_

#include <linux/completion.h>
#include <linux/if_ether.h>
#include <linux/types.h>
#include <linux/pci.h>
#include <linux/uuid.h>
#include <linux/time.h>

#include "htt.h"
#include "htc.h"
#include "hw.h"
#include "targaddrs.h"
#include "wmi.h"
#include "../ath.h"
#include "../regd.h"
#include "../dfs_pattern_detector.h"
#include "spectral.h"
#include "thermal.h"
#include "wow.h"
#include "swap.h"

#define MS(_v, _f) (((_v) & _f##_MASK) >> _f##_LSB)
#define SM(_v, _f) (((_v) << _f##_LSB) & _f##_MASK)
#define WO(_f)      ((_f##_OFFSET) >> 2)

#define ATH10K_SCAN_ID 0
#define ATH10K_SCAN_CHANNEL_SWITCH_WMI_EVT_OVERHEAD 10 /* msec */
#define WMI_READY_TIMEOUT (5 * HZ)
#define ATH10K_FLUSH_TIMEOUT_HZ (5 * HZ)
#define ATH10K_CONNECTION_LOSS_HZ (3 * HZ)
#define ATH10K_NUM_CHANS 41
#define ATH10K_MAX_5G_CHAN 173

/* Antenna noise floor */
#define ATH10K_DEFAULT_NOISE_FLOOR -95

#define ATH10K_INVALID_RSSI 128

#define ATH10K_MAX_NUM_MGMT_PENDING 128

/* number of failed packets (20 packets with 16 sw reties each) */
#define ATH10K_KICKOUT_THRESHOLD (20 * 16)

/*
 * Use insanely high numbers to make sure that the firmware implementation
 * won't start, we have the same functionality already in hostapd. Unit
 * is seconds.
 */
#define ATH10K_KEEPALIVE_MIN_IDLE 3747
#define ATH10K_KEEPALIVE_MAX_IDLE 3895
#define ATH10K_KEEPALIVE_MAX_UNRESPONSIVE 3900

/* NAPI poll budget */
#define ATH10K_NAPI_BUDGET      64

/* SMBIOS type containing Board Data File Name Extension */
#define ATH10K_SMBIOS_BDF_EXT_TYPE 0xF8

/* SMBIOS type structure length (excluding strings-set) */
#define ATH10K_SMBIOS_BDF_EXT_LENGTH 0x9

/* Offset pointing to Board Data File Name Extension */
#define ATH10K_SMBIOS_BDF_EXT_OFFSET 0x8

/* Board Data File Name Extension string length.
 * String format: BDF_<Customer ID>_<Extension>\0
 */
#define ATH10K_SMBIOS_BDF_EXT_STR_LENGTH 0x20

/* The magic used by QCA spec */
#define ATH10K_SMBIOS_BDF_EXT_MAGIC "BDF_"

/* Default Airtime weight multipler (Tuned for multiclient performance) */
#define ATH10K_AIRTIME_WEIGHT_MULTIPLIER  4

struct ath10k;

static inline const char *ath10k_bus_str(enum ath10k_bus bus)
{
	switch (bus) {
	case ATH10K_BUS_PCI:
		return "pci";
	case ATH10K_BUS_AHB:
		return "ahb";
	case ATH10K_BUS_SDIO:
		return "sdio";
	case ATH10K_BUS_USB:
		return "usb";
	case ATH10K_BUS_SNOC:
		return "snoc";
	}

	return "unknown";
}

enum ath10k_skb_flags {
	ATH10K_SKB_F_NO_HWCRYPT = BIT(0),
	ATH10K_SKB_F_DTIM_ZERO = BIT(1),
	ATH10K_SKB_F_DELIVER_CAB = BIT(2),
	ATH10K_SKB_F_MGMT = BIT(3),
	ATH10K_SKB_F_QOS = BIT(4),
	ATH10K_SKB_F_RAW_TX = BIT(5),
};

struct ath10k_skb_cb {
	dma_addr_t paddr;
	u8 flags;
	u8 eid;
	u16 msdu_id;
	u16 airtime_est;
	struct ieee80211_vif *vif;
	struct ieee80211_txq *txq;
} __packed;

struct ath10k_skb_rxcb {
	dma_addr_t paddr;
	struct hlist_node hlist;
};

static inline struct ath10k_skb_cb *ATH10K_SKB_CB(struct sk_buff *skb)
{
	BUILD_BUG_ON(sizeof(struct ath10k_skb_cb) >
		     IEEE80211_TX_INFO_DRIVER_DATA_SIZE);
	return (struct ath10k_skb_cb *)&IEEE80211_SKB_CB(skb)->driver_data;
}

static inline struct ath10k_skb_rxcb *ATH10K_SKB_RXCB(struct sk_buff *skb)
{
	BUILD_BUG_ON(sizeof(struct ath10k_skb_rxcb) > sizeof(skb->cb));
	return (struct ath10k_skb_rxcb *)skb->cb;
}

#define ATH10K_RXCB_SKB(rxcb) \
		container_of((void *)rxcb, struct sk_buff, cb)

static inline u32 host_interest_item_address(u32 item_offset)
{
	return QCA988X_HOST_INTEREST_ADDRESS + item_offset;
}

struct ath10k_bmi {
	bool done_sent;
};

struct ath10k_mem_chunk {
	void *vaddr;
	dma_addr_t paddr;
	u32 len;
	u32 req_id;
};

struct ath10k_wmi {
	enum ath10k_htc_ep_id eid;
	struct completion service_ready;
	struct completion unified_ready;
	struct completion barrier;
	struct completion radar_confirm;
	wait_queue_head_t tx_credits_wq;
	DECLARE_BITMAP(svc_map, WMI_SERVICE_MAX);
	struct wmi_cmd_map *cmd;