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 
12 enum {
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 
28 enum {
29 	WILC_SET_CFG = 0,
30 	WILC_GET_CFG
31 };
32 
33 #define WILC_MAX_ASSOC_RESP_FRAME_SIZE   256
34 
35 struct rf_info {
36 	u8 link_speed;
37 	s8 rssi;
38 	u32 tx_cnt;
39 	u32 rx_cnt;
40 	u32 tx_fail_cnt;
41 };
42 
43 enum host_if_state {
44 	HOST_IF_IDLE			= 0,
45 	HOST_IF_SCANNING		= 1,
46 	HOST_IF_CONNECTING		= 2,
47 	HOST_IF_WAITING_CONN_RESP	= 3,
48 	HOST_IF_CONNECTED		= 4,
49 	HOST_IF_P2P_LISTEN		= 5,
50 	HOST_IF_FORCE_32BIT		= 0xFFFFFFFF
51 };
52 
53 struct cfg_param_attr {
54 	u32 flag;
55 	u16 short_retry_limit;
56 	u16 long_retry_limit;
57 	u16 frag_threshold;
58 	u16 rts_threshold;
59 };
60 
61 enum cfg_param {
62 	WILC_CFG_PARAM_RETRY_SHORT = BIT(0),
63 	WILC_CFG_PARAM_RETRY_LONG = BIT(1),
64 	WILC_CFG_PARAM_FRAG_THRESHOLD = BIT(2),
65 	WILC_CFG_PARAM_RTS_THRESHOLD = BIT(3)
66 };
67 
68 enum scan_event {
69 	SCAN_EVENT_NETWORK_FOUND	= 0,
70 	SCAN_EVENT_DONE			= 1,
71 	SCAN_EVENT_ABORTED		= 2,
72 	SCAN_EVENT_FORCE_32BIT		= 0xFFFFFFFF
73 };
74 
75 enum conn_event {
76 	CONN_DISCONN_EVENT_CONN_RESP		= 0,
77 	CONN_DISCONN_EVENT_DISCONN_NOTIF	= 1,
78 	CONN_DISCONN_EVENT_FORCE_32BIT		= 0xFFFFFFFF
79 };
80 
81 enum {
82 	WILC_HIF_SDIO = 0,
83 	WILC_HIF_SPI = BIT(0)
84 };
85 
86 enum {
87 	WILC_MAC_STATUS_INIT = -1,
88 	WILC_MAC_STATUS_DISCONNECTED = 0,
89 	WILC_MAC_STATUS_CONNECTED = 1
90 };
91 
92 struct wilc_rcvd_net_info {
93 	s8 rssi;
94 	u8 ch;
95 	u16 frame_len;
96 	struct ieee80211_mgmt *mgmt;
97 };
98 
99 struct wilc_user_scan_req {
100 	void (*scan_result)(enum scan_event evt,
101 			    struct wilc_rcvd_net_info *info, void *priv);
102 	void *arg;
103 	u32 ch_cnt;
104 };
105 
106 struct wilc_conn_info {
107 	u8 bssid[ETH_ALEN];
108 	u8 security;
109 	enum authtype auth_type;
110 	u8 ch;
111 	u8 *req_ies;
112 	size_t req_ies_len;
113 	u8 *resp_ies;
114 	u16 resp_ies_len;
115 	u16 status;
116 	void (*conn_result)(enum conn_event evt, u8 status, void *priv_data);
117 	void *arg;
118 	void *param;
119 };
120 
121 struct wilc_remain_ch {
122 	u16 ch;
123 	u32 duration;
124 	void (*expired)(void *priv, u64 cookie);
125 	void *arg;
126 	u32 cookie;
127 };
128 
129 struct wilc;
130 struct host_if_drv {
131 	struct wilc_user_scan_req usr_scan_req;
132 	struct wilc_conn_info conn_info;
133 	struct wilc_remain_ch remain_on_ch;
134 	u64 p2p_timeout;
135 
136 	enum host_if_state hif_state;
137 
138 	u8 assoc_bssid[ETH_ALEN];
139 
140 	struct timer_list scan_timer;
141 	struct wilc_vif *scan_timer_vif;
142 
143 	struct timer_list connect_timer;
144 	struct wilc_vif *connect_timer_vif;
145 
146 	struct timer_list remain_on_ch_timer;
147 	struct wilc_vif *remain_on_ch_timer_vif;
148 
149 	bool ifc_up;
150 	u8 assoc_resp[WILC_MAX_ASSOC_RESP_FRAME_SIZE];
151 };
152 
153 struct wilc_vif;
154 int wilc_remove_wep_key(struct wilc_vif *vif, u8 index);
155 int wilc_set_wep_default_keyid(struct wilc_vif *vif, u8 index);
156 int wilc_add_wep_key_bss_sta(struct wilc_vif *vif, const u8 *key, u8 len,
157 			     u8 index);
158 int wilc_add_wep_key_bss_ap(struct wilc_vif *vif, const u8 *key, u8 len,
159 			    u8 index, u8 mode, enum authtype auth_type);
160 int wilc_add_ptk(struct wilc_vif *vif, const u8 *ptk, u8 ptk_key_len,
161 		 const u8 *mac_addr, const u8 *rx_mic, const u8 *tx_mic,
162 		 u8 mode, u8 cipher_mode, u8 index);
163 s32 wilc_get_inactive_time(struct wilc_vif *vif, const u8 *mac,
164 			   u32 *out_val);
165 int wilc_add_rx_gtk(struct wilc_vif *vif, const u8 *rx_gtk, u8 gtk_key_len,
166 		    u8 index, u32 key_rsc_len, const u8 *key_rsc,
167 		    const u8 *rx_mic, const u8 *tx_mic, u8 mode,
168 		    u8 cipher_mode);
169 int wilc_set_pmkid_info(struct wilc_vif *vif, struct wilc_pmkid_attr *pmkid);
170 int wilc_get_mac_address(struct wilc_vif *vif, u8 *mac_addr);
171 int wilc_set_mac_address(struct wilc_vif *vif, u8 *mac_addr);
172 int wilc_set_join_req(struct wilc_vif *vif, u8 *bssid, const u8 *ies,
173 		      size_t ies_len);
174 int wilc_disconnect(struct wilc_vif *vif);
175 int wilc_set_mac_chnl_num(struct wilc_vif *vif, u8 channel);
176 int wilc_get_rssi(struct wilc_vif *vif, s8 *rssi_level);
177 int wilc_scan(struct wilc_vif *vif, u8 scan_source, u8 scan_type,
178 	      u8 *ch_freq_list, u8 ch_list_len,
179 	      void (*scan_result_fn)(enum scan_event,
180 				     struct wilc_rcvd_net_info *, void *),
181 	      void *user_arg, struct cfg80211_scan_request *request);
182 int wilc_hif_set_cfg(struct wilc_vif *vif,
183 		     struct cfg_param_attr *cfg_param);
184 int wilc_init(struct net_device *dev, struct host_if_drv **hif_drv_handler);
185 int wilc_deinit(struct wilc_vif *vif);
186 int wilc_add_beacon(struct wilc_vif *vif, u32 interval, u32 dtim_period,
187 		    struct cfg80211_beacon_data *params);
188 int wilc_del_beacon(struct wilc_vif *vif);
189 int wilc_add_station(struct wilc_vif *vif, const u8 *mac,
190 		     struct station_parameters *params);
191 int wilc_del_allstation(struct wilc_vif *vif, u8 mac_addr[][ETH_ALEN]);
192 int wilc_del_station(struct wilc_vif *vif, const u8 *mac_addr);
193 int wilc_edit_station(struct wilc_vif *vif, const u8 *mac,
194 		      struct station_parameters *params);
195 int wilc_set_power_mgmt(struct wilc_vif *vif, bool enabled, u32 timeout);
196 int wilc_setup_multicast_filter(struct wilc_vif *vif, u32 enabled, u32 count,
197 				u8 *mc_list);
198 int wilc_remain_on_channel(struct wilc_vif *vif, u64 cookie,
199 			   u32 duration, u16 chan,
200 			   void (*expired)(void *, u64),
201 			   void *user_arg);
202 int wilc_listen_state_expired(struct wilc_vif *vif, u64 cookie);
203 void wilc_frame_register(struct wilc_vif *vif, u16 frame_type, bool reg);
204 int wilc_set_operation_mode(struct wilc_vif *vif, int index, u8 mode,
205 			    u8 ifc_id);
206 int wilc_get_statistics(struct wilc_vif *vif, struct rf_info *stats);
207 int wilc_get_vif_idx(struct wilc_vif *vif);
208 int wilc_set_tx_power(struct wilc_vif *vif, u8 tx_power);
209 int wilc_get_tx_power(struct wilc_vif *vif, u8 *tx_power);
210 void wilc_set_wowlan_trigger(struct wilc_vif *vif, bool enabled);
211 void wilc_scan_complete_received(struct wilc *wilc, u8 *buffer, u32 length);
212 void wilc_network_info_received(struct wilc *wilc, u8 *buffer, u32 length);
213 void wilc_gnrl_async_info_received(struct wilc *wilc, u8 *buffer, u32 length);
214 void *wilc_parse_join_bss_param(struct cfg80211_bss *bss,
215 				struct cfg80211_crypto_settings *crypto);
216 #endif
217