new file mode 100644
@@ -0,0 +1,294 @@
+/* SPDX-License-Identifier: GPL-2.0 */
+/*
+ * Copyright (c) 2012 - 2018 Microchip Technology Inc., and its subsidiaries.
+ * All rights reserved.
+ */
+
+#ifndef WILC_NETDEV_H
+#define WILC_NETDEV_H
+
+#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 "hif.h"
+#include "wlan.h"
+#include "wlan_cfg.h"
+
+#define FLOW_CONTROL_LOWER_THRESHOLD 128
+#define FLOW_CONTROL_UPPER_THRESHOLD 256
+
+#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
+
+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[WILC_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;
+};
+
+static const u32 wilc_cipher_suites[] = {
+ WLAN_CIPHER_SUITE_WEP40,
+ WLAN_CIPHER_SUITE_WEP104,
+ WLAN_CIPHER_SUITE_TKIP,
+ WLAN_CIPHER_SUITE_CCMP,
+ WLAN_CIPHER_SUITE_AES_CMAC
+};
+
+#define CHAN2G(_channel, _freq, _flags) { \
+ .band = NL80211_BAND_2GHZ, \
+ .center_freq = (_freq), \
+ .hw_value = (_channel), \
+ .flags = (_flags), \
+ .max_antenna_gain = 0, \
+ .max_power = 30, \
+}
+
+static const struct ieee80211_channel wilc_2ghz_channels[] = {
+ CHAN2G(1, 2412, 0),
+ CHAN2G(2, 2417, 0),
+ CHAN2G(3, 2422, 0),
+ CHAN2G(4, 2427, 0),
+ CHAN2G(5, 2432, 0),
+ CHAN2G(6, 2437, 0),
+ CHAN2G(7, 2442, 0),
+ CHAN2G(8, 2447, 0),
+ CHAN2G(9, 2452, 0),
+ CHAN2G(10, 2457, 0),
+ CHAN2G(11, 2462, 0),
+ CHAN2G(12, 2467, 0),
+ CHAN2G(13, 2472, 0),
+ CHAN2G(14, 2484, 0)
+};
+
+#define RATETAB_ENT(_rate, _hw_value, _flags) { \
+ .bitrate = (_rate), \
+ .hw_value = (_hw_value), \
+ .flags = (_flags), \
+}
+
+static struct ieee80211_rate wilc_bitrates[] = {
+ RATETAB_ENT(10, 0, 0),
+ RATETAB_ENT(20, 1, 0),
+ RATETAB_ENT(55, 2, 0),
+ RATETAB_ENT(110, 3, 0),
+ RATETAB_ENT(60, 9, 0),
+ RATETAB_ENT(90, 6, 0),
+ RATETAB_ENT(120, 7, 0),
+ RATETAB_ENT(180, 8, 0),
+ RATETAB_ENT(240, 9, 0),
+ RATETAB_ENT(360, 10, 0),
+ RATETAB_ENT(480, 11, 0),
+ RATETAB_ENT(540, 12, 0)
+};
+
+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;
+
+ 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 wilc_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[WILC_MAX_NUM_STA];
+ struct wilc_wfi_key *wilc_ptk[WILC_MAX_NUM_STA];
+ u8 wilc_groupkey;
+
+ /* mutexes */
+ struct mutex scan_req_lock;
+ bool p2p_listen_state;
+ int scanned_cnt;
+
+ u64 inc_roc_cookie;
+};
+
+struct frame_reg {
+ u16 type;
+ bool reg;
+};
+
+#define MAX_TCP_SESSION 25
+#define MAX_PENDING_ACKS 256
+
+struct ack_session_info {
+ u32 seq_num;
+ u32 bigger_ack_num;
+ u16 src_port;
+ u16 dst_port;
+ u16 status;
+};
+
+struct pending_acks {
+ u32 ack_num;
+ u32 session_index;
+ struct txq_entry_t *txqe;
+};
+
+struct tcp_ack_filter {
+ struct ack_session_info ack_session_info[2 * MAX_TCP_SESSION];
+ struct pending_acks pending_acks[MAX_PENDING_ACKS];
+ u32 pending_base;
+ u32 tcp_session;
+ u32 pending_acks_idx;
+ bool enabled;
+};
+
+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 bssid[ETH_ALEN];
+ struct host_if_drv *hif_drv;
+ struct net_device *ndev;
+ u8 mode;
+ struct timer_list during_ip_timer;
+ struct timer_list periodic_rssi;
+ struct rf_info periodic_stat;
+ struct tcp_ack_filter ack_filter;
+ bool connecting;
+ struct wilc_priv priv;
+ struct list_head list;
+ struct cfg80211_bss *bss;
+};
+
+struct wilc {
+ struct wiphy *wiphy;
+ const struct wilc_hif_func *hif_func;
+ int io_type;
+ s8 mac_status;
+ struct clk *rtc_clk;
+ bool initialized;
+ int dev_irq_num;
+ int close;
+ u8 vif_num;
+ struct list_head vif_list;
+
+ /* protect vif list */
+ struct mutex vif_mutex;
+ struct srcu_struct srcu;
+ 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;
+
+ /* lock to protect issue of wid command to firmware */
+ struct mutex cfg_cmd_lock;
+ struct wilc_cfg_frame cfg_frame;
+ u32 cfg_frame_offset;
+ u8 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;
+
+ int clients_count;
+ struct workqueue_struct *hif_workqueue;
+ enum chip_ps_states chip_ps_state;
+ struct wilc_cfg cfg;
+ void *bus_data;
+ struct net_device *monitor_dev;
+
+ /* deinit lock */
+ struct mutex deinit_lock;
+ u8 sta_ch;
+ u8 op_ch;
+ struct ieee80211_channel channels[ARRAY_SIZE(wilc_2ghz_channels)];
+ struct ieee80211_rate bitrates[ARRAY_SIZE(wilc_bitrates)];
+ struct ieee80211_supported_band band;
+ u32 cipher_suites[ARRAY_SIZE(wilc_cipher_suites)];
+};
+
+struct wilc_wfi_mon_priv {
+ struct net_device *real_ndev;
+};
+
+void wilc_frmw_to_host(struct wilc *wilc, u8 *buff, u32 size, u32 pkt_offset);
+void wilc_mac_indicate(struct wilc *wilc);
+void wilc_netdev_cleanup(struct wilc *wilc);
+void wilc_wfi_mgmt_rx(struct wilc *wilc, u8 *buff, u32 size);
+void wilc_wlan_set_bssid(struct net_device *wilc_netdev, u8 *bssid, u8 mode);
+struct wilc_vif *wilc_netdev_ifc_init(struct wilc *wl, const char *name,
+ int vif_type, enum nl80211_iftype type,
+ bool rtnl_locked);
+#endif