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