1/* SPDX-License-Identifier: GPL-2.0 */
2/*
3 * Copyright (c) 2012 - 2018 Microchip Technology Inc., and its subsidiaries
4 * All rights reserved.
5 */
6
7#ifndef WILC_HIF_H
8#define WILC_HIF_H
9#include <linux/ieee80211.h>
10#include "wlan_if.h"
11
12enum {
13	WILC_IDLE_MODE = 0x0,
14	WILC_AP_MODE = 0x1,
15	WILC_STATION_MODE = 0x2,
16	WILC_GO_MODE = 0x3,
17	WILC_CLIENT_MODE = 0x4
18};
19
20#define WILC_MAX_NUM_PROBED_SSID		10
21
22#define WILC_TX_MIC_KEY_LEN			8
23#define WILC_RX_MIC_KEY_LEN			8
24
25#define WILC_ADD_STA_LENGTH			40
26#define WILC_NUM_CONCURRENT_IFC			2
27
28enum {
29	WILC_SET_CFG = 0,
30	WILC_GET_CFG
31};
32
33struct rf_info {
34	u8 link_speed;
35	s8 rssi;
36	u32 tx_cnt;
37	u32 rx_cnt;
38	u32 tx_fail_cnt;
39};
40
41enum host_if_state {
42	HOST_IF_IDLE			= 0,
43	HOST_IF_SCANNING		= 1,
44	HOST_IF_CONNECTING		= 2,
45	HOST_IF_WAITING_CONN_RESP	= 3,
46	HOST_IF_CONNECTED		= 4,
47	HOST_IF_P2P_LISTEN		= 5,
48	HOST_IF_EXTERNAL_AUTH           = 6,
49	HOST_IF_FORCE_32BIT		= 0xFFFFFFFF
50};
51
52struct cfg_param_attr {
53	u32 flag;
54	u16 short_retry_limit;
55	u16 long_retry_limit;
56	u16 frag_threshold;
57	u16 rts_threshold;
58};
59
60enum cfg_param {
61	WILC_CFG_PARAM_RETRY_SHORT = BIT(0),
62	WILC_CFG_PARAM_RETRY_LONG = BIT(1),
63	WILC_CFG_PARAM_FRAG_THRESHOLD = BIT(2),
64	WILC_CFG_PARAM_RTS_THRESHOLD = BIT(3)
65};
66
67enum scan_event {
68	SCAN_EVENT_NETWORK_FOUND	= 0,
69	SCAN_EVENT_DONE			= 1,
70	SCAN_EVENT_ABORTED		= 2,
71	SCAN_EVENT_FORCE_32BIT		= 0xFFFFFFFF
72};
73
74enum conn_event {
75	CONN_DISCONN_EVENT_CONN_RESP		= 0,
76	CONN_DISCONN_EVENT_DISCONN_NOTIF	= 1,
77	CONN_DISCONN_EVENT_FORCE_32BIT		= 0xFFFFFFFF
78};
79
80enum {
81	WILC_HIF_SDIO = 0,
82	WILC_HIF_SPI = BIT(0)
83};
84
85enum {
86	WILC_MAC_STATUS_INIT = -1,
87	WILC_MAC_STATUS_DISCONNECTED = 0,
88	WILC_MAC_STATUS_CONNECTED = 1
89};
90
91struct wilc_rcvd_net_info {
92	s8 rssi;
93	u8 ch;
94	u16 frame_len;
95	struct ieee80211_mgmt *mgmt;
96};
97
98struct wilc_priv;
99struct wilc_user_scan_req {
100	void (*scan_result)(enum scan_event evt,
101			    struct wilc_rcvd_net_info *info,
102			    struct wilc_priv *priv);
103	struct wilc_priv *priv;
104	u32 ch_cnt;
105};
106
107struct wilc_join_bss_param;
108struct wilc_conn_info {
109	u8 bssid[ETH_ALEN];
110	u8 security;
111	enum authtype auth_type;
112	enum mfptype mfp_type;
113	u8 *req_ies;
114	size_t req_ies_len;
115	u8 *resp_ies;
116	u16 resp_ies_len;
117	u16 status;
118	void (*conn_result)(enum conn_event evt, u8 status,
119			    struct wilc_priv *priv);
120	struct wilc_priv *priv;
121	struct wilc_join_bss_param *param;
122};
123
124struct wilc_vif;
125struct wilc_remain_ch {
126	u16 ch;
127	void (*expired)(struct wilc_vif *vif, u64 cookie);
128	struct wilc_vif *vif;
129	u64 cookie;
130};
131
132struct wilc;
133struct host_if_drv {
134	struct wilc_user_scan_req usr_scan_req;
135	struct wilc_conn_info conn_info;
136	struct wilc_remain_ch remain_on_ch;
137	u64 p2p_timeout;
138
139	enum host_if_state hif_state;
140
141	u8 assoc_bssid[ETH_ALEN];
142
143	struct timer_list scan_timer;
144	struct wilc_vif *scan_timer_vif;
145
146	struct timer_list connect_timer;
147	struct wilc_vif *connect_timer_vif;
148
149	struct timer_list remain_on_ch_timer;
150	struct wilc_vif *remain_on_ch_timer_vif;
151
152	bool ifc_up;
153	u8 assoc_resp[WILC_MAX_ASSOC_RESP_FRAME_SIZE];
154};
155
156int wilc_add_ptk(struct wilc_vif *vif, const u8 *ptk, u8 ptk_key_len,
157		 const u8 *mac_addr, const u8 *rx_mic, const u8 *tx_mic,
158		 u8 mode, u8 cipher_mode, u8 index);
159int wilc_add_igtk(struct wilc_vif *vif, const u8 *igtk, u8 igtk_key_len,
160		  const u8 *pn, u8 pn_len, const u8 *mac_addr, u8 mode,
161		  u8 index);
162s32 wilc_get_inactive_time(struct wilc_vif *vif, const u8 *mac,
163			   u32 *out_val);
164int wilc_add_rx_gtk(struct wilc_vif *vif, const u8 *rx_gtk, u8 gtk_key_len,
165		    u8 index, u32 key_rsc_len, const u8 *key_rsc,
166		    const u8 *rx_mic, const u8 *tx_mic, u8 mode,
167		    u8 cipher_mode);
168int wilc_set_pmkid_info(struct wilc_vif *vif, struct wilc_pmkid_attr *pmkid);
169int wilc_get_mac_address(struct wilc_vif *vif, u8 *mac_addr);
170int wilc_set_mac_address(struct wilc_vif *vif, u8 *mac_addr);
171int wilc_set_join_req(struct wilc_vif *vif, u8 *bssid, const u8 *ies,
172		      size_t ies_len);
173int wilc_disconnect(struct wilc_vif *vif);
174int wilc_set_mac_chnl_num(struct wilc_vif *vif, u8 channel);
175int wilc_get_rssi(struct wilc_vif *vif, s8 *rssi_level);
176int wilc_scan(struct wilc_vif *vif, u8 scan_source,
177	      u8 scan_type, u8 *ch_freq_list,
178	      void (*scan_result_fn)(enum scan_event,
179				     struct wilc_rcvd_net_info *,
180				     struct wilc_priv *),
181	      struct cfg80211_scan_request *request);
182int wilc_hif_set_cfg(struct wilc_vif *vif,
183		     struct cfg_param_attr *cfg_param);
184int wilc_init(struct net_device *dev, struct host_if_drv **hif_drv_handler);
185int wilc_deinit(struct wilc_vif *vif);
186int wilc_add_beacon(struct wilc_vif *vif, u32 interval, u32 dtim_period,
187		    struct cfg80211_beacon_data *params);
188int wilc_del_beacon(struct wilc_vif *vif);
189int wilc_add_station(struct wilc_vif *vif, const u8 *mac,
190		     struct station_parameters *params);
191int wilc_del_allstation(struct wilc_vif *vif, u8 mac_addr[][ETH_ALEN]);
192int wilc_del_station(struct wilc_vif *vif, const u8 *mac_addr);
193int wilc_edit_station(struct wilc_vif *vif, const u8 *mac,
194		      struct station_parameters *params);
195int wilc_set_power_mgmt(struct wilc_vif *vif, bool enabled, u32 timeout);
196int wilc_setup_multicast_filter(struct wilc_vif *vif, u32 enabled, u32 count,
197				u8 *mc_list);
198int wilc_remain_on_channel(struct wilc_vif *vif, u64 cookie, u16 chan,
199			   void (*expired)(struct wilc_vif *, u64));
200int wilc_listen_state_expired(struct wilc_vif *vif, u64 cookie);
201void wilc_frame_register(struct wilc_vif *vif, u16 frame_type, bool reg);
202int wilc_set_operation_mode(struct wilc_vif *vif, int index, u8 mode,
203			    u8 ifc_id);
204int wilc_get_statistics(struct wilc_vif *vif, struct rf_info *stats);
205int wilc_get_vif_idx(struct wilc_vif *vif);
206int wilc_set_tx_power(struct wilc_vif *vif, u8 tx_power);
207int wilc_get_tx_power(struct wilc_vif *vif, u8 *tx_power);
208void wilc_set_wowlan_trigger(struct wilc_vif *vif, bool enabled);
209int wilc_set_external_auth_param(struct wilc_vif *vif,
210				 struct cfg80211_external_auth_params *param);
211void wilc_scan_complete_received(struct wilc *wilc, u8 *buffer, u32 length);
212void wilc_network_info_received(struct wilc *wilc, u8 *buffer, u32 length);
213void wilc_gnrl_async_info_received(struct wilc *wilc, u8 *buffer, u32 length);
214struct wilc_join_bss_param *
215wilc_parse_join_bss_param(struct cfg80211_bss *bss,
216			  struct cfg80211_crypto_settings *crypto);
217int wilc_set_default_mgmt_key_index(struct wilc_vif *vif, u8 index);
218void wilc_handle_disconnect(struct wilc_vif *vif);
219
220#endif
221