/* SPDX-License-Identifier: GPL-2.0-only */
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/*
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* This file is part of wl1271
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*
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* Copyright (C) 1998-2009 Texas Instruments. All rights reserved.
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* Copyright (C) 2008-2009 Nokia Corporation
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*
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* Contact: Luciano Coelho <luciano.coelho@nokia.com>
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*/
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#ifndef __WLCORE_I_H__
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#define __WLCORE_I_H__
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#include <linux/mutex.h>
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#include <linux/completion.h>
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#include <linux/spinlock.h>
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#include <linux/list.h>
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#include <linux/bitops.h>
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#include <net/mac80211.h>
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#include "conf.h"
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#include "ini.h"
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struct wilink_family_data {
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const char *name;
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const char *nvs_name; /* wl12xx nvs file */
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const char *cfg_name; /* wl18xx cfg file */
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};
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#define WL1271_TX_SECURITY_LO16(s) ((u16)((s) & 0xffff))
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#define WL1271_TX_SECURITY_HI32(s) ((u32)(((s) >> 16) & 0xffffffff))
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#define WL1271_TX_SQN_POST_RECOVERY_PADDING 0xff
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/* Use smaller padding for GEM, as some APs have issues when it's too big */
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#define WL1271_TX_SQN_POST_RECOVERY_PADDING_GEM 0x20
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#define WL1271_CIPHER_SUITE_GEM 0x00147201
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#define WL1271_BUSY_WORD_CNT 1
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#define WL1271_BUSY_WORD_LEN (WL1271_BUSY_WORD_CNT * sizeof(u32))
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#define WL1271_ELP_HW_STATE_ASLEEP 0
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#define WL1271_ELP_HW_STATE_IRQ 1
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#define WL1271_DEFAULT_BEACON_INT 100
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#define WL1271_DEFAULT_DTIM_PERIOD 1
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#define WL12XX_MAX_ROLES 4
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#define WL12XX_INVALID_ROLE_ID 0xff
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#define WL12XX_INVALID_LINK_ID 0xff
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/*
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* max number of links allowed by all HWs.
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* this is NOT the actual max links supported by the current hw.
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*/
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#define WLCORE_MAX_LINKS 16
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/* the driver supports the 2.4Ghz and 5Ghz bands */
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#define WLCORE_NUM_BANDS 2
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#define WL12XX_MAX_RATE_POLICIES 16
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#define WLCORE_MAX_KLV_TEMPLATES 4
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/* Defined by FW as 0. Will not be freed or allocated. */
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#define WL12XX_SYSTEM_HLID 0
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/*
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* When in AP-mode, we allow (at least) this number of packets
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* to be transmitted to FW for a STA in PS-mode. Only when packets are
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* present in the FW buffers it will wake the sleeping STA. We want to put
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* enough packets for the driver to transmit all of its buffered data before
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* the STA goes to sleep again. But we don't want to take too much memory
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* as it might hurt the throughput of active STAs.
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*/
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#define WL1271_PS_STA_MAX_PACKETS 2
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#define WL1271_AP_BSS_INDEX 0
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#define WL1271_AP_DEF_BEACON_EXP 20
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enum wlcore_state {
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WLCORE_STATE_OFF,
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WLCORE_STATE_RESTARTING,
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WLCORE_STATE_ON,
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};
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enum wl12xx_fw_type {
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WL12XX_FW_TYPE_NONE,
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WL12XX_FW_TYPE_NORMAL,
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WL12XX_FW_TYPE_MULTI,
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WL12XX_FW_TYPE_PLT,
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};
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struct wl1271;
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enum {
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FW_VER_CHIP,
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FW_VER_IF_TYPE,
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FW_VER_MAJOR,
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FW_VER_SUBTYPE,
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FW_VER_MINOR,
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NUM_FW_VER
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};
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struct wl1271_chip {
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u32 id;
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char fw_ver_str[ETHTOOL_FWVERS_LEN];
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unsigned int fw_ver[NUM_FW_VER];
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char phy_fw_ver_str[ETHTOOL_FWVERS_LEN];
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};
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#define NUM_TX_QUEUES 4
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struct wl_fw_status {
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u32 intr;
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u8 fw_rx_counter;
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u8 drv_rx_counter;
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u8 tx_results_counter;
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__le32 *rx_pkt_descs;
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u32 fw_localtime;
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/*
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* A bitmap (where each bit represents a single HLID)
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* to indicate if the station is in PS mode.
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*/
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u32 link_ps_bitmap;
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/*
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* A bitmap (where each bit represents a single HLID) to indicate
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* if the station is in Fast mode
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*/
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u32 link_fast_bitmap;
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/* Cumulative counter of total released mem blocks since FW-reset */
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u32 total_released_blks;
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/* Size (in Memory Blocks) of TX pool */
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u32 tx_total;
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struct {
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/*
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* Cumulative counter of released packets per AC
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* (length of the array is NUM_TX_QUEUES)
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*/
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u8 *tx_released_pkts;
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/*
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* Cumulative counter of freed packets per HLID
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* (length of the array is wl->num_links)
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*/
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u8 *tx_lnk_free_pkts;
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/* Cumulative counter of released Voice memory blocks */
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u8 tx_voice_released_blks;
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/* Tx rate of the last transmitted packet */
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u8 tx_last_rate;
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/* Tx rate or Tx rate estimate pre calculated by fw in mbps */
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u8 tx_last_rate_mbps;
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/* hlid for which the rates were reported */
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u8 hlid;
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} counters;
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u32 log_start_addr;
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/* Private status to be used by the lower drivers */
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void *priv;
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};
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#define WL1271_MAX_CHANNELS 64
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struct wl1271_scan {
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struct cfg80211_scan_request *req;
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unsigned long scanned_ch[BITS_TO_LONGS(WL1271_MAX_CHANNELS)];
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bool failed;
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u8 state;
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u8 ssid[IEEE80211_MAX_SSID_LEN+1];
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size_t ssid_len;
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};
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struct wl1271_if_operations {
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int __must_check (*read)(struct device *child, int addr, void *buf,
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size_t len, bool fixed);
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int __must_check (*write)(struct device *child, int addr, void *buf,
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size_t len, bool fixed);
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void (*reset)(struct device *child);
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void (*init)(struct device *child);
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int (*power)(struct device *child, bool enable);
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void (*set_block_size) (struct device *child, unsigned int blksz);
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};
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struct wlcore_platdev_data {
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struct wl1271_if_operations *if_ops;
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const struct wilink_family_data *family;
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bool ref_clock_xtal; /* specify whether the clock is XTAL or not */
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u32 ref_clock_freq; /* in Hertz */
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u32 tcxo_clock_freq; /* in Hertz, tcxo is always XTAL */
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bool pwr_in_suspend;
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};
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#define MAX_NUM_KEYS 14
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#define MAX_KEY_SIZE 32
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struct wl1271_ap_key {
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u8 id;
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u8 key_type;
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u8 key_size;
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u8 key[MAX_KEY_SIZE];
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u8 hlid;
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u32 tx_seq_32;
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u16 tx_seq_16;
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bool is_pairwise;
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};
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enum wl12xx_flags {
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WL1271_FLAG_GPIO_POWER,
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WL1271_FLAG_TX_QUEUE_STOPPED,
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WL1271_FLAG_TX_PENDING,
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WL1271_FLAG_IN_ELP,
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WL1271_FLAG_IRQ_RUNNING,
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WL1271_FLAG_FW_TX_BUSY,
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WL1271_FLAG_DUMMY_PACKET_PENDING,
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WL1271_FLAG_SUSPENDED,
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WL1271_FLAG_PENDING_WORK,
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WL1271_FLAG_SOFT_GEMINI,
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WL1271_FLAG_RECOVERY_IN_PROGRESS,
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WL1271_FLAG_VIF_CHANGE_IN_PROGRESS,
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WL1271_FLAG_INTENDED_FW_RECOVERY,
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WL1271_FLAG_IO_FAILED,
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WL1271_FLAG_REINIT_TX_WDOG,
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};
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enum wl12xx_vif_flags {
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WLVIF_FLAG_INITIALIZED,
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WLVIF_FLAG_STA_ASSOCIATED,
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WLVIF_FLAG_STA_AUTHORIZED,
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WLVIF_FLAG_IBSS_JOINED,
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WLVIF_FLAG_AP_STARTED,
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WLVIF_FLAG_IN_PS,
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WLVIF_FLAG_STA_STATE_SENT,
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WLVIF_FLAG_RX_STREAMING_STARTED,
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WLVIF_FLAG_PSPOLL_FAILURE,
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WLVIF_FLAG_CS_PROGRESS,
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WLVIF_FLAG_AP_PROBE_RESP_SET,
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WLVIF_FLAG_IN_USE,
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WLVIF_FLAG_ACTIVE,
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WLVIF_FLAG_BEACON_DISABLED,
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};
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struct wl12xx_vif;
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struct wl1271_link {
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/* AP-mode - TX queue per AC in link */
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struct sk_buff_head tx_queue[NUM_TX_QUEUES];
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/* accounting for allocated / freed packets in FW */
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u8 allocated_pkts;
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u8 prev_freed_pkts;
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u8 addr[ETH_ALEN];
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/* bitmap of TIDs where RX BA sessions are active for this link */
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u8 ba_bitmap;
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/* the last fw rate index we used for this link */
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u8 fw_rate_idx;
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/* the last fw rate [Mbps] we used for this link */
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u8 fw_rate_mbps;
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/* The wlvif this link belongs to. Might be null for global links */
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struct wl12xx_vif *wlvif;
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/*
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* total freed FW packets on the link - used for tracking the
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* AES/TKIP PN across recoveries. Re-initialized each time
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* from the wl1271_station structure.
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*/
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u64 total_freed_pkts;
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};
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#define WL1271_MAX_RX_FILTERS 5
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#define WL1271_RX_FILTER_MAX_FIELDS 8
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#define WL1271_RX_FILTER_ETH_HEADER_SIZE 14
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#define WL1271_RX_FILTER_MAX_FIELDS_SIZE 95
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#define RX_FILTER_FIELD_OVERHEAD \
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(sizeof(struct wl12xx_rx_filter_field) - sizeof(u8 *))
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#define WL1271_RX_FILTER_MAX_PATTERN_SIZE \
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(WL1271_RX_FILTER_MAX_FIELDS_SIZE - RX_FILTER_FIELD_OVERHEAD)
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#define WL1271_RX_FILTER_FLAG_MASK BIT(0)
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#define WL1271_RX_FILTER_FLAG_IP_HEADER 0
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#define WL1271_RX_FILTER_FLAG_ETHERNET_HEADER BIT(1)
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enum rx_filter_action {
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FILTER_DROP = 0,
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FILTER_SIGNAL = 1,
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FILTER_FW_HANDLE = 2
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};
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enum plt_mode {
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PLT_OFF = 0,
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PLT_ON = 1,
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PLT_FEM_DETECT = 2,
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PLT_CHIP_AWAKE = 3
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};
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struct wl12xx_rx_filter_field {
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__le16 offset;
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u8 len;
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u8 flags;
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u8 *pattern;
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} __packed;
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struct wl12xx_rx_filter {
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u8 action;
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int num_fields;
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struct wl12xx_rx_filter_field fields[WL1271_RX_FILTER_MAX_FIELDS];
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};
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struct wl1271_station {
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u8 hlid;
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bool in_connection;
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/*
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* total freed FW packets on the link to the STA - used for tracking the
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* AES/TKIP PN across recoveries. Re-initialized each time from the
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* wl1271_station structure.
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* Used in both AP and STA mode.
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*/
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u64 total_freed_pkts;
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};
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struct wl12xx_vif {
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struct wl1271 *wl;
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struct list_head list;
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unsigned long flags;
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u8 bss_type;
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u8 p2p; /* we are using p2p role */
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u8 role_id;
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/* sta/ibss specific */
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u8 dev_role_id;
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u8 dev_hlid;
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union {
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struct {
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u8 hlid;
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u8 basic_rate_idx;
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u8 ap_rate_idx;
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u8 p2p_rate_idx;
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u8 klv_template_id;
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bool qos;
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/* channel type we started the STA role with */
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enum nl80211_channel_type role_chan_type;
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} sta;
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struct {
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u8 global_hlid;
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u8 bcast_hlid;
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/* HLIDs bitmap of associated stations */
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unsigned long sta_hlid_map[BITS_TO_LONGS(
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WLCORE_MAX_LINKS)];
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/* recoreded keys - set here before AP startup */
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struct wl1271_ap_key *recorded_keys[MAX_NUM_KEYS];
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u8 mgmt_rate_idx;
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u8 bcast_rate_idx;
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u8 ucast_rate_idx[CONF_TX_MAX_AC_COUNT];
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} ap;
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};
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/* the hlid of the last transmitted skb */
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int last_tx_hlid;
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/* counters of packets per AC, across all links in the vif */
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int tx_queue_count[NUM_TX_QUEUES];
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unsigned long links_map[BITS_TO_LONGS(WLCORE_MAX_LINKS)];
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u8 ssid[IEEE80211_MAX_SSID_LEN + 1];
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u8 ssid_len;
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/* The current band */
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enum nl80211_band band;
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int channel;
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enum nl80211_channel_type channel_type;
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u32 bitrate_masks[WLCORE_NUM_BANDS];
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u32 basic_rate_set;
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/*
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* currently configured rate set:
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* bits 0-15 - 802.11abg rates
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* bits 16-23 - 802.11n MCS index mask
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* support only 1 stream, thus only 8 bits for the MCS rates (0-7).
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*/
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u32 basic_rate;
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u32 rate_set;
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/* probe-req template for the current AP */
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struct sk_buff *probereq;
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/* Beaconing interval (needed for ad-hoc) */
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u32 beacon_int;
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/* Default key (for WEP) */
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u32 default_key;
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/* Our association ID */
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u16 aid;
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/* retry counter for PSM entries */
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u8 psm_entry_retry;
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/* in dBm */
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int power_level;
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int rssi_thold;
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int last_rssi_event;
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/* save the current encryption type for auto-arp config */
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u8 encryption_type;
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__be32 ip_addr;
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/* RX BA constraint value */
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bool ba_support;
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bool ba_allowed;
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bool wmm_enabled;
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bool radar_enabled;
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/* Rx Streaming */
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struct work_struct rx_streaming_enable_work;
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struct work_struct rx_streaming_disable_work;
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struct timer_list rx_streaming_timer;
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struct delayed_work channel_switch_work;
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struct delayed_work connection_loss_work;
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/* number of in connection stations */
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int inconn_count;
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/*
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* This vif's queues are mapped to mac80211 HW queues as:
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* VO - hw_queue_base
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* VI - hw_queue_base + 1
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* BE - hw_queue_base + 2
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* BK - hw_queue_base + 3
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*/
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int hw_queue_base;
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/* do we have a pending auth reply? (and ROC) */
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bool ap_pending_auth_reply;
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/* time when we sent the pending auth reply */
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unsigned long pending_auth_reply_time;
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/* work for canceling ROC after pending auth reply */
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struct delayed_work pending_auth_complete_work;
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/* update rate conrol */
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enum ieee80211_sta_rx_bandwidth rc_update_bw;
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struct ieee80211_sta_ht_cap rc_ht_cap;
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struct work_struct rc_update_work;
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/*
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* total freed FW packets on the link.
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* For STA this holds the PN of the link to the AP.
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* For AP this holds the PN of the broadcast link.
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*/
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u64 total_freed_pkts;
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/*
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* This struct must be last!
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* data that has to be saved acrossed reconfigs (e.g. recovery)
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* should be declared in this struct.
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*/
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struct {
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u8 persistent[0];
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};
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};
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static inline struct wl12xx_vif *wl12xx_vif_to_data(struct ieee80211_vif *vif)
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{
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WARN_ON(!vif);
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return (struct wl12xx_vif *)vif->drv_priv;
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}
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static inline
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struct ieee80211_vif *wl12xx_wlvif_to_vif(struct wl12xx_vif *wlvif)
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{
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return container_of((void *)wlvif, struct ieee80211_vif, drv_priv);
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}
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static inline bool wlcore_is_p2p_mgmt(struct wl12xx_vif *wlvif)
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{
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return wl12xx_wlvif_to_vif(wlvif)->type == NL80211_IFTYPE_P2P_DEVICE;
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}
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#define wl12xx_for_each_wlvif(wl, wlvif) \
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list_for_each_entry(wlvif, &wl->wlvif_list, list)
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#define wl12xx_for_each_wlvif_continue(wl, wlvif) \
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list_for_each_entry_continue(wlvif, &wl->wlvif_list, list)
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#define wl12xx_for_each_wlvif_bss_type(wl, wlvif, _bss_type) \
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wl12xx_for_each_wlvif(wl, wlvif) \
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if (wlvif->bss_type == _bss_type)
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#define wl12xx_for_each_wlvif_sta(wl, wlvif) \
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wl12xx_for_each_wlvif_bss_type(wl, wlvif, BSS_TYPE_STA_BSS)
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#define wl12xx_for_each_wlvif_ap(wl, wlvif) \
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wl12xx_for_each_wlvif_bss_type(wl, wlvif, BSS_TYPE_AP_BSS)
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int wl1271_plt_start(struct wl1271 *wl, const enum plt_mode plt_mode);
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int wl1271_plt_stop(struct wl1271 *wl);
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int wl1271_recalc_rx_streaming(struct wl1271 *wl, struct wl12xx_vif *wlvif);
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void wl12xx_queue_recovery_work(struct wl1271 *wl);
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size_t wl12xx_copy_fwlog(struct wl1271 *wl, u8 *memblock, size_t maxlen);
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int wl1271_rx_filter_alloc_field(struct wl12xx_rx_filter *filter,
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u16 offset, u8 flags,
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const u8 *pattern, u8 len);
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void wl1271_rx_filter_free(struct wl12xx_rx_filter *filter);
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struct wl12xx_rx_filter *wl1271_rx_filter_alloc(void);
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int wl1271_rx_filter_get_fields_size(struct wl12xx_rx_filter *filter);
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void wl1271_rx_filter_flatten_fields(struct wl12xx_rx_filter *filter,
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u8 *buf);
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#define JOIN_TIMEOUT 5000 /* 5000 milliseconds to join */
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#define SESSION_COUNTER_MAX 6 /* maximum value for the session counter */
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#define SESSION_COUNTER_INVALID 7 /* used with dummy_packet */
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#define WL1271_DEFAULT_POWER_LEVEL 0
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#define WL1271_TX_QUEUE_LOW_WATERMARK 32
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#define WL1271_TX_QUEUE_HIGH_WATERMARK 256
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#define WL1271_DEFERRED_QUEUE_LIMIT 64
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/* WL1271 needs a 200ms sleep after power on, and a 20ms sleep before power
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on in case is has been shut down shortly before */
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#define WL1271_PRE_POWER_ON_SLEEP 20 /* in milliseconds */
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#define WL1271_POWER_ON_SLEEP 200 /* in milliseconds */
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/* Macros to handle wl1271.sta_rate_set */
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#define HW_BG_RATES_MASK 0xffff
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#define HW_HT_RATES_OFFSET 16
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#define HW_MIMO_RATES_OFFSET 24
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#endif /* __WLCORE_I_H__ */
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