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_EXTERNAL_AUTH           = 6,
51 	HOST_IF_FORCE_32BIT		= 0xFFFFFFFF
52 };
53 
54 struct cfg_param_attr {
55 	u32 flag;
56 	u16 short_retry_limit;
57 	u16 long_retry_limit;
58 	u16 frag_threshold;
59 	u16 rts_threshold;
60 };
61 
62 enum cfg_param {
63 	WILC_CFG_PARAM_RETRY_SHORT = BIT(0),
64 	WILC_CFG_PARAM_RETRY_LONG = BIT(1),
65 	WILC_CFG_PARAM_FRAG_THRESHOLD = BIT(2),
66 	WILC_CFG_PARAM_RTS_THRESHOLD = BIT(3)
67 };
68 
69 enum scan_event {
70 	SCAN_EVENT_NETWORK_FOUND	= 0,
71 	SCAN_EVENT_DONE			= 1,
72 	SCAN_EVENT_ABORTED		= 2,
73 	SCAN_EVENT_FORCE_32BIT		= 0xFFFFFFFF
74 };
75 
76 enum conn_event {
77 	CONN_DISCONN_EVENT_CONN_RESP		= 0,
78 	CONN_DISCONN_EVENT_DISCONN_NOTIF	= 1,
79 	CONN_DISCONN_EVENT_FORCE_32BIT		= 0xFFFFFFFF
80 };
81 
82 enum {
83 	WILC_HIF_SDIO = 0,
84 	WILC_HIF_SPI = BIT(0)
85 };
86 
87 enum {
88 	WILC_MAC_STATUS_INIT = -1,
89 	WILC_MAC_STATUS_DISCONNECTED = 0,
90 	WILC_MAC_STATUS_CONNECTED = 1
91 };
92 
93 struct wilc_rcvd_net_info {
94 	s8 rssi;
95 	u8 ch;
96 	u16 frame_len;
97 	struct ieee80211_mgmt *mgmt;
98 };
99 
100 struct wilc_user_scan_req {
101 	void (*scan_result)(enum scan_event evt,
102 			    struct wilc_rcvd_net_info *info, void *priv);
103 	void *arg;
104 	u32 ch_cnt;
105 };
106 
107 struct wilc_conn_info {
108 	u8 bssid[ETH_ALEN];
109 	u8 security;
110 	enum authtype auth_type;
111 	enum mfptype mfp_type;
112 	u8 ch;
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, void *priv_data);
119 	void *arg;
120 	void *param;
121 };
122 
123 struct wilc_remain_ch {
124 	u16 ch;
125 	u32 duration;
126 	void (*expired)(void *priv, u64 cookie);
127 	void *arg;
128 	u64 cookie;
129 };
130 
131 struct wilc;
132 struct host_if_drv {
133 	struct wilc_user_scan_req usr_scan_req;
134 	struct wilc_conn_info conn_info;
135 	struct wilc_remain_ch remain_on_ch;
136 	u64 p2p_timeout;
137 
138 	enum host_if_state hif_state;
139 
140 	u8 assoc_bssid[ETH_ALEN];
141 
142 	struct timer_list scan_timer;
143 	struct wilc_vif *scan_timer_vif;
144 
145 	struct timer_list connect_timer;
146 	struct wilc_vif *connect_timer_vif;
147 
148 	struct timer_list remain_on_ch_timer;
149 	struct wilc_vif *remain_on_ch_timer_vif;
150 
151 	bool ifc_up;
152 	u8 assoc_resp[WILC_MAX_ASSOC_RESP_FRAME_SIZE];
153 };
154 
155 struct wilc_vif;
156 int 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);
159 int 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);
162 s32 wilc_get_inactive_time(struct wilc_vif *vif, const u8 *mac,
163 			   u32 *out_val);
164 int 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);
168 int wilc_set_pmkid_info(struct wilc_vif *vif, struct wilc_pmkid_attr *pmkid);
169 int wilc_get_mac_address(struct wilc_vif *vif, u8 *mac_addr);
170 int wilc_set_mac_address(struct wilc_vif *vif, u8 *mac_addr);
171 int wilc_set_join_req(struct wilc_vif *vif, u8 *bssid, const u8 *ies,
172 		      size_t ies_len);
173 int wilc_disconnect(struct wilc_vif *vif);
174 int wilc_set_mac_chnl_num(struct wilc_vif *vif, u8 channel);
175 int wilc_get_rssi(struct wilc_vif *vif, s8 *rssi_level);
176 int wilc_scan(struct wilc_vif *vif, u8 scan_source, u8 scan_type,
177 	      u8 *ch_freq_list, u8 ch_list_len,
178 	      void (*scan_result_fn)(enum scan_event,
179 				     struct wilc_rcvd_net_info *, void *),
180 	      void *user_arg, struct cfg80211_scan_request *request);
181 int wilc_hif_set_cfg(struct wilc_vif *vif,
182 		     struct cfg_param_attr *cfg_param);
183 int wilc_init(struct net_device *dev, struct host_if_drv **hif_drv_handler);
184 int wilc_deinit(struct wilc_vif *vif);
185 int wilc_add_beacon(struct wilc_vif *vif, u32 interval, u32 dtim_period,
186 		    struct cfg80211_beacon_data *params);
187 int wilc_del_beacon(struct wilc_vif *vif);
188 int wilc_add_station(struct wilc_vif *vif, const u8 *mac,
189 		     struct station_parameters *params);
190 int wilc_del_allstation(struct wilc_vif *vif, u8 mac_addr[][ETH_ALEN]);
191 int wilc_del_station(struct wilc_vif *vif, const u8 *mac_addr);
192 int wilc_edit_station(struct wilc_vif *vif, const u8 *mac,
193 		      struct station_parameters *params);
194 int wilc_set_power_mgmt(struct wilc_vif *vif, bool enabled, u32 timeout);
195 int wilc_setup_multicast_filter(struct wilc_vif *vif, u32 enabled, u32 count,
196 				u8 *mc_list);
197 int wilc_remain_on_channel(struct wilc_vif *vif, u64 cookie,
198 			   u32 duration, u16 chan,
199 			   void (*expired)(void *, u64),
200 			   void *user_arg);
201 int wilc_listen_state_expired(struct wilc_vif *vif, u64 cookie);
202 void wilc_frame_register(struct wilc_vif *vif, u16 frame_type, bool reg);
203 int wilc_set_operation_mode(struct wilc_vif *vif, int index, u8 mode,
204 			    u8 ifc_id);
205 int wilc_get_statistics(struct wilc_vif *vif, struct rf_info *stats);
206 int wilc_get_vif_idx(struct wilc_vif *vif);
207 int wilc_set_tx_power(struct wilc_vif *vif, u8 tx_power);
208 int wilc_get_tx_power(struct wilc_vif *vif, u8 *tx_power);
209 void wilc_set_wowlan_trigger(struct wilc_vif *vif, bool enabled);
210 int wilc_set_external_auth_param(struct wilc_vif *vif,
211 				 struct cfg80211_external_auth_params *param);
212 void wilc_scan_complete_received(struct wilc *wilc, u8 *buffer, u32 length);
213 void wilc_network_info_received(struct wilc *wilc, u8 *buffer, u32 length);
214 void wilc_gnrl_async_info_received(struct wilc *wilc, u8 *buffer, u32 length);
215 void *wilc_parse_join_bss_param(struct cfg80211_bss *bss,
216 				struct cfg80211_crypto_settings *crypto);
217 int wilc_set_default_mgmt_key_index(struct wilc_vif *vif, u8 index);
218 void wilc_handle_disconnect(struct wilc_vif *vif);
219 
220 #endif
221