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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 HOST_INT_H
8 #define HOST_INT_H
9 #include <linux/ieee80211.h>
10 #include "wilc_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_STA			9
21 #define WILC_MAX_NUM_SCANNED_CH			14
22 #define WILC_MAX_NUM_PROBED_SSID		10
23 
24 #define WILC_TX_MIC_KEY_LEN			8
25 #define WILC_RX_MIC_KEY_LEN			8
26 
27 #define WILC_MAX_NUM_PMKIDS			16
28 #define WILC_ADD_STA_LENGTH			40
29 #define WILC_NUM_CONCURRENT_IFC			2
30 
31 enum {
32 	WILC_SET_CFG = 0,
33 	WILC_GET_CFG
34 };
35 
36 #define WILC_MAX_ASSOC_RESP_FRAME_SIZE   256
37 
38 struct assoc_resp {
39 	__le16 capab_info;
40 	__le16 status_code;
41 	__le16 aid;
42 } __packed;
43 
44 struct rf_info {
45 	u8 link_speed;
46 	s8 rssi;
47 	u32 tx_cnt;
48 	u32 rx_cnt;
49 	u32 tx_fail_cnt;
50 };
51 
52 enum host_if_state {
53 	HOST_IF_IDLE			= 0,
54 	HOST_IF_SCANNING		= 1,
55 	HOST_IF_CONNECTING		= 2,
56 	HOST_IF_WAITING_CONN_RESP	= 3,
57 	HOST_IF_CONNECTED		= 4,
58 	HOST_IF_P2P_LISTEN		= 5,
59 	HOST_IF_FORCE_32BIT		= 0xFFFFFFFF
60 };
61 
62 struct wilc_pmkid {
63 	u8 bssid[ETH_ALEN];
64 	u8 pmkid[WLAN_PMKID_LEN];
65 } __packed;
66 
67 struct wilc_pmkid_attr {
68 	u8 numpmkid;
69 	struct wilc_pmkid pmkidlist[WILC_MAX_NUM_PMKIDS];
70 } __packed;
71 
72 struct cfg_param_attr {
73 	u32 flag;
74 	u16 short_retry_limit;
75 	u16 long_retry_limit;
76 	u16 frag_threshold;
77 	u16 rts_threshold;
78 };
79 
80 enum cfg_param {
81 	WILC_CFG_PARAM_RETRY_SHORT = BIT(0),
82 	WILC_CFG_PARAM_RETRY_LONG = BIT(1),
83 	WILC_CFG_PARAM_FRAG_THRESHOLD = BIT(2),
84 	WILC_CFG_PARAM_RTS_THRESHOLD = BIT(3)
85 };
86 
87 enum scan_event {
88 	SCAN_EVENT_NETWORK_FOUND	= 0,
89 	SCAN_EVENT_DONE			= 1,
90 	SCAN_EVENT_ABORTED		= 2,
91 	SCAN_EVENT_FORCE_32BIT		= 0xFFFFFFFF
92 };
93 
94 enum conn_event {
95 	CONN_DISCONN_EVENT_CONN_RESP		= 0,
96 	CONN_DISCONN_EVENT_DISCONN_NOTIF	= 1,
97 	CONN_DISCONN_EVENT_FORCE_32BIT		= 0xFFFFFFFF
98 };
99 
100 enum {
101 	WILC_HIF_SDIO = 0,
102 	WILC_HIF_SPI = BIT(0)
103 };
104 
105 enum {
106 	WILC_MAC_STATUS_INIT = -1,
107 	WILC_MAC_STATUS_DISCONNECTED = 0,
108 	WILC_MAC_STATUS_CONNECTED = 1
109 };
110 
111 struct wilc_rcvd_net_info {
112 	s8 rssi;
113 	u8 ch;
114 	u16 frame_len;
115 	struct ieee80211_mgmt *mgmt;
116 };
117 
118 struct wilc_user_scan_req {
119 	void (*scan_result)(enum scan_event evt,
120 			    struct wilc_rcvd_net_info *info, void *priv);
121 	void *arg;
122 	u32 ch_cnt;
123 };
124 
125 struct wilc_conn_info {
126 	u8 bssid[ETH_ALEN];
127 	u8 security;
128 	enum authtype auth_type;
129 	u8 ch;
130 	u8 *req_ies;
131 	size_t req_ies_len;
132 	u8 *resp_ies;
133 	u16 resp_ies_len;
134 	u16 status;
135 	void (*conn_result)(enum conn_event evt, u8 status, void *priv_data);
136 	void *arg;
137 	void *param;
138 };
139 
140 struct wilc_remain_ch {
141 	u16 ch;
142 	u32 duration;
143 	void (*expired)(void *priv, u64 cookie);
144 	void *arg;
145 	u32 cookie;
146 };
147 
148 struct wilc;
149 struct host_if_drv {
150 	struct wilc_user_scan_req usr_scan_req;
151 	struct wilc_conn_info conn_info;
152 	struct wilc_remain_ch remain_on_ch;
153 	u64 p2p_timeout;
154 
155 	enum host_if_state hif_state;
156 
157 	u8 assoc_bssid[ETH_ALEN];
158 
159 	struct timer_list scan_timer;
160 	struct wilc_vif *scan_timer_vif;
161 
162 	struct timer_list connect_timer;
163 	struct wilc_vif *connect_timer_vif;
164 
165 	struct timer_list remain_on_ch_timer;
166 	struct wilc_vif *remain_on_ch_timer_vif;
167 
168 	bool ifc_up;
169 	u8 assoc_resp[WILC_MAX_ASSOC_RESP_FRAME_SIZE];
170 };
171 
172 struct wilc_vif;
173 int wilc_remove_wep_key(struct wilc_vif *vif, u8 index);
174 int wilc_set_wep_default_keyid(struct wilc_vif *vif, u8 index);
175 int wilc_add_wep_key_bss_sta(struct wilc_vif *vif, const u8 *key, u8 len,
176 			     u8 index);
177 int wilc_add_wep_key_bss_ap(struct wilc_vif *vif, const u8 *key, u8 len,
178 			    u8 index, u8 mode, enum authtype auth_type);
179 int wilc_add_ptk(struct wilc_vif *vif, const u8 *ptk, u8 ptk_key_len,
180 		 const u8 *mac_addr, const u8 *rx_mic, const u8 *tx_mic,
181 		 u8 mode, u8 cipher_mode, u8 index);
182 s32 wilc_get_inactive_time(struct wilc_vif *vif, const u8 *mac,
183 			   u32 *out_val);
184 int wilc_add_rx_gtk(struct wilc_vif *vif, const u8 *rx_gtk, u8 gtk_key_len,
185 		    u8 index, u32 key_rsc_len, const u8 *key_rsc,
186 		    const u8 *rx_mic, const u8 *tx_mic, u8 mode,
187 		    u8 cipher_mode);
188 int wilc_set_pmkid_info(struct wilc_vif *vif, struct wilc_pmkid_attr *pmkid);
189 int wilc_get_mac_address(struct wilc_vif *vif, u8 *mac_addr);
190 int wilc_set_join_req(struct wilc_vif *vif, u8 *bssid, const u8 *ies,
191 		      size_t ies_len);
192 int wilc_disconnect(struct wilc_vif *vif);
193 int wilc_set_mac_chnl_num(struct wilc_vif *vif, u8 channel);
194 int wilc_get_rssi(struct wilc_vif *vif, s8 *rssi_level);
195 int wilc_scan(struct wilc_vif *vif, u8 scan_source, u8 scan_type,
196 	      u8 *ch_freq_list, u8 ch_list_len,
197 	      void (*scan_result_fn)(enum scan_event,
198 				     struct wilc_rcvd_net_info *, void *),
199 	      void *user_arg, struct cfg80211_scan_request *request);
200 int wilc_hif_set_cfg(struct wilc_vif *vif,
201 		     struct cfg_param_attr *cfg_param);
202 int wilc_init(struct net_device *dev, struct host_if_drv **hif_drv_handler);
203 int wilc_deinit(struct wilc_vif *vif);
204 int wilc_add_beacon(struct wilc_vif *vif, u32 interval, u32 dtim_period,
205 		    struct cfg80211_beacon_data *params);
206 int wilc_del_beacon(struct wilc_vif *vif);
207 int wilc_add_station(struct wilc_vif *vif, const u8 *mac,
208 		     struct station_parameters *params);
209 int wilc_del_allstation(struct wilc_vif *vif, u8 mac_addr[][ETH_ALEN]);
210 int wilc_del_station(struct wilc_vif *vif, const u8 *mac_addr);
211 int wilc_edit_station(struct wilc_vif *vif, const u8 *mac,
212 		      struct station_parameters *params);
213 int wilc_set_power_mgmt(struct wilc_vif *vif, bool enabled, u32 timeout);
214 int wilc_setup_multicast_filter(struct wilc_vif *vif, u32 enabled, u32 count,
215 				u8 *mc_list);
216 int wilc_remain_on_channel(struct wilc_vif *vif, u64 cookie,
217 			   u32 duration, u16 chan,
218 			   void (*expired)(void *, u64),
219 			   void *user_arg);
220 int wilc_listen_state_expired(struct wilc_vif *vif, u64 cookie);
221 void wilc_frame_register(struct wilc_vif *vif, u16 frame_type, bool reg);
222 int wilc_set_operation_mode(struct wilc_vif *vif, int index, u8 mode,
223 			    u8 ifc_id);
224 int wilc_get_statistics(struct wilc_vif *vif, struct rf_info *stats);
225 int wilc_get_vif_idx(struct wilc_vif *vif);
226 int wilc_set_tx_power(struct wilc_vif *vif, u8 tx_power);
227 int wilc_get_tx_power(struct wilc_vif *vif, u8 *tx_power);
228 void wilc_scan_complete_received(struct wilc *wilc, u8 *buffer, u32 length);
229 void wilc_network_info_received(struct wilc *wilc, u8 *buffer, u32 length);
230 void wilc_gnrl_async_info_received(struct wilc *wilc, u8 *buffer, u32 length);
231 void *wilc_parse_join_bss_param(struct cfg80211_bss *bss,
232 				struct cfg80211_crypto_settings *crypto);
233 #endif
234