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From:   <Ajay.Kathat@microchip.com>
To:     <linux-wireless@vger.kernel.org>
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        <Claudiu.Beznea@microchip.com>, <Venkateswara.Kaja@microchip.com>,
        <Ajay.Kathat@microchip.com>
Subject: [PATCH v6 08/17] wilc1000: add netdev.h
Thread-Topic: [PATCH v6 08/17] wilc1000: add netdev.h
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Date:   Fri, 27 Mar 2020 06:33:14 +0000
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From: Ajay Singh <ajay.kathat@microchip.com>

Moved 'drivers/staging/wilc1000/netdev.h' to
'drivers/net/wireless/microchip/wilc1000/netdev.h'.

Signed-off-by: Ajay Singh <ajay.kathat@microchip.com>
---
 .../net/wireless/microchip/wilc1000/netdev.h  | 294 ++++++++++++++++++
 1 file changed, 294 insertions(+)
 create mode 100644 drivers/net/wireless/microchip/wilc1000/netdev.h

diff --git a/drivers/net/wireless/microchip/wilc1000/netdev.h b/drivers/net=
/wireless/microchip/wilc1000/netdev.h
new file mode 100644
index 000000000000..61cbec674a62
--- /dev/null
+++ b/drivers/net/wireless/microchip/wilc1000/netdev.h
@@ -0,0 +1,294 @@
+/* SPDX-License-Identifier: GPL-2.0 */
+/*
+ * Copyright (c) 2012 - 2018 Microchip Technology Inc., and its subsidiari=
es.
+ * 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[] =3D {
+	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             =3D NL80211_BAND_2GHZ, \
+	.center_freq      =3D (_freq),		 \
+	.hw_value         =3D (_channel),		 \
+	.flags            =3D (_flags),		 \
+	.max_antenna_gain =3D 0,			 \
+	.max_power        =3D 30,			 \
+}
+
+static const struct ieee80211_channel wilc_2ghz_channels[] =3D {
+	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  =3D (_rate),			\
+	.hw_value =3D (_hw_value),		\
+	.flags    =3D (_flags),			\
+}
+
+static struct ieee80211_rate wilc_bitrates[] =3D {
+	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_offs=
et);
+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 mod=
e);
+struct wilc_vif *wilc_netdev_ifc_init(struct wilc *wl, const char *name,
+				      int vif_type, enum nl80211_iftype type,
+				      bool rtnl_locked);
+#endif
--=20
2.24.0