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/* SPDX-License-Identifier: GPL-2.0 */
/*
* Copyright (c) 2012 - 2018 Microchip Technology Inc., and its subsidiaries.
* All rights reserved.
*/
#ifndef WILC_WFI_NETDEVICE
#define WILC_WFI_NETDEVICE
#include <linux/tcp.h>
#include <linux/ieee80211.h>
#include <net/cfg80211.h>
#include <net/ieee80211_radiotap.h>
#include <linux/if_arp.h>
#include <linux/gpio/consumer.h>
#include "host_interface.h"
#include "wilc_wlan.h"
#define FLOW_CONTROL_LOWER_THRESHOLD 128
#define FLOW_CONTROL_UPPER_THRESHOLD 256
#define WILC_MAX_NUM_PMKIDS 16
#define PMKID_LEN 16
#define PMKID_FOUND 1
#define NUM_STA_ASSOCIATED 8
#define NUM_REG_FRAME 2
#define TCP_ACK_FILTER_LINK_SPEED_THRESH 54
#define DEFAULT_LINK_SPEED 72
#define GET_PKT_OFFSET(a) (((a) >> 22) & 0x1ff)
struct wilc_wfi_stats {
unsigned long rx_packets;
unsigned long tx_packets;
unsigned long rx_bytes;
unsigned long tx_bytes;
u64 rx_time;
u64 tx_time;
};
struct wilc_wfi_key {
u8 *key;
u8 *seq;
int key_len;
int seq_len;
u32 cipher;
};
struct wilc_wfi_wep_key {
u8 *key;
u8 key_len;
u8 key_idx;
};
struct sta_info {
u8 sta_associated_bss[MAX_NUM_STA][ETH_ALEN];
};
/*Parameters needed for host interface for remaining on channel*/
struct wilc_wfi_p2p_listen_params {
struct ieee80211_channel *listen_ch;
u32 listen_duration;
u64 listen_cookie;
u32 listen_session_id;
};
struct wilc_priv {
struct wireless_dev *wdev;
struct cfg80211_scan_request *scan_req;
struct wilc_wfi_p2p_listen_params remain_on_ch_params;
u64 tx_cookie;
bool cfg_scanning;
u32 rcvd_ch_cnt;
u8 associated_bss[ETH_ALEN];
struct sta_info assoc_stainfo;
struct sk_buff *skb;
struct net_device *dev;
struct host_if_drv *hif_drv;
struct host_if_pmkid_attr pmkid_list;
u8 wep_key[4][WLAN_KEY_LEN_WEP104];
u8 wep_key_len[4];
/* The real interface that the monitor is on */
struct net_device *real_ndev;
struct wilc_wfi_key *wilc_gtk[MAX_NUM_STA];
struct wilc_wfi_key *wilc_ptk[MAX_NUM_STA];
u8 wilc_groupkey;
/* mutexes */
struct mutex scan_req_lock;
bool p2p_listen_state;
};
struct frame_reg {
u16 type;
bool reg;
};
struct wilc_vif {
u8 idx;
u8 iftype;
int monitor_flag;
int mac_opened;
struct frame_reg frame_reg[NUM_REG_FRAME];
struct net_device_stats netstats;
struct wilc *wilc;
u8 src_addr[ETH_ALEN];
u8 bssid[ETH_ALEN];
struct host_if_drv *hif_drv;
struct net_device *ndev;
u8 mode;
u8 ifc_id;
};
struct wilc {
const struct wilc_hif_func *hif_func;
int io_type;
int mac_status;
struct gpio_desc *gpio_irq;
bool initialized;
int dev_irq_num;
int close;
u8 vif_num;
struct wilc_vif *vif[NUM_CONCURRENT_IFC];
u8 open_ifcs;
/*protect head of transmit queue*/
struct mutex txq_add_to_head_cs;
/*protect txq_entry_t transmit queue*/
spinlock_t txq_spinlock;
/*protect rxq_entry_t receiver queue*/
struct mutex rxq_cs;
/* lock to protect hif access */
struct mutex hif_cs;
struct completion cfg_event;
struct completion sync_event;
struct completion txq_event;
struct completion txq_thread_started;
struct task_struct *txq_thread;
int quit;
int cfg_frame_in_use;
struct wilc_cfg_frame cfg_frame;
u32 cfg_frame_offset;
int cfg_seq_no;
u8 *rx_buffer;
u32 rx_buffer_offset;
u8 *tx_buffer;
struct txq_entry_t txq_head;
int txq_entries;
struct rxq_entry_t rxq_head;
const struct firmware *firmware;
struct device *dev;
bool suspend_event;
struct rf_info dummy_statistics;
};
struct wilc_wfi_mon_priv {
struct net_device *real_ndev;
};
void wilc_frmw_to_linux(struct wilc *wilc, u8 *buff, u32 size, u32 pkt_offset);
void wilc_mac_indicate(struct wilc *wilc);
void wilc_netdev_cleanup(struct wilc *wilc);
int wilc_netdev_init(struct wilc **wilc, struct device *dev, int io_type,
const struct wilc_hif_func *ops);
void wilc_wfi_mgmt_rx(struct wilc *wilc, u8 *buff, u32 size);
int wilc_wlan_set_bssid(struct net_device *wilc_netdev, u8 *bssid, u8 mode);
#endif
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