1 /* SPDX-License-Identifier: GPL-2.0-only */
2 /*
3  *  PS3 gelic network driver.
4  *
5  * Copyright (C) 2007 Sony Computer Entertainment Inc.
6  * Copyright 2007 Sony Corporation
7  */
8 #ifndef _GELIC_WIRELESS_H
9 #define _GELIC_WIRELESS_H
10 
11 #include <linux/wireless.h>
12 #include <net/iw_handler.h>
13 
14 
15 /* return value from  GELIC_LV1_GET_WLAN_EVENT netcontrol */
16 enum gelic_lv1_wl_event {
17 	GELIC_LV1_WL_EVENT_DEVICE_READY   = 0x01, /* Eurus ready */
18 	GELIC_LV1_WL_EVENT_SCAN_COMPLETED = 0x02, /* Scan has completed */
19 	GELIC_LV1_WL_EVENT_DEAUTH         = 0x04, /* Deauthed by the AP */
20 	GELIC_LV1_WL_EVENT_BEACON_LOST    = 0x08, /* Beacon lost detected */
21 	GELIC_LV1_WL_EVENT_CONNECTED      = 0x10, /* Connected to AP */
22 	GELIC_LV1_WL_EVENT_WPA_CONNECTED  = 0x20, /* WPA connection */
23 	GELIC_LV1_WL_EVENT_WPA_ERROR      = 0x40, /* MIC error */
24 };
25 
26 /* arguments for GELIC_LV1_POST_WLAN_COMMAND netcontrol */
27 enum gelic_eurus_command {
28 	GELIC_EURUS_CMD_ASSOC		=  1, /* association start */
29 	GELIC_EURUS_CMD_DISASSOC	=  2, /* disassociate      */
30 	GELIC_EURUS_CMD_START_SCAN	=  3, /* scan start        */
31 	GELIC_EURUS_CMD_GET_SCAN	=  4, /* get scan result   */
32 	GELIC_EURUS_CMD_SET_COMMON_CFG	=  5, /* set common config */
33 	GELIC_EURUS_CMD_GET_COMMON_CFG	=  6, /* set common config */
34 	GELIC_EURUS_CMD_SET_WEP_CFG	=  7, /* set WEP config    */
35 	GELIC_EURUS_CMD_GET_WEP_CFG	=  8, /* get WEP config    */
36 	GELIC_EURUS_CMD_SET_WPA_CFG	=  9, /* set WPA config    */
37 	GELIC_EURUS_CMD_GET_WPA_CFG	= 10, /* get WPA config    */
38 	GELIC_EURUS_CMD_GET_RSSI_CFG	= 11, /* get RSSI info.    */
39 	GELIC_EURUS_CMD_MAX_INDEX
40 };
41 
42 /* for GELIC_EURUS_CMD_COMMON_CFG */
43 enum gelic_eurus_bss_type {
44 	GELIC_EURUS_BSS_INFRA = 0,
45 	GELIC_EURUS_BSS_ADHOC = 1, /* not supported */
46 };
47 
48 enum gelic_eurus_auth_method {
49 	GELIC_EURUS_AUTH_OPEN = 0, /* FIXME: WLAN_AUTH_OPEN */
50 	GELIC_EURUS_AUTH_SHARED = 1, /* not supported */
51 };
52 
53 enum gelic_eurus_opmode {
54 	GELIC_EURUS_OPMODE_11BG = 0, /* 802.11b/g */
55 	GELIC_EURUS_OPMODE_11B = 1, /* 802.11b only */
56 	GELIC_EURUS_OPMODE_11G = 2, /* 802.11g only */
57 };
58 
59 struct gelic_eurus_common_cfg {
60 	/* all fields are big endian */
61 	u16 scan_index;
62 	u16 bss_type;    /* infra or adhoc */
63 	u16 auth_method; /* shared key or open */
64 	u16 op_mode; /* B/G */
65 } __packed;
66 
67 
68 /* for GELIC_EURUS_CMD_WEP_CFG */
69 enum gelic_eurus_wep_security {
70 	GELIC_EURUS_WEP_SEC_NONE	= 0,
71 	GELIC_EURUS_WEP_SEC_40BIT	= 1,
72 	GELIC_EURUS_WEP_SEC_104BIT	= 2,
73 };
74 
75 struct gelic_eurus_wep_cfg {
76 	/* all fields are big endian */
77 	u16 security;
78 	u8 key[4][16];
79 } __packed;
80 
81 /* for GELIC_EURUS_CMD_WPA_CFG */
82 enum gelic_eurus_wpa_security {
83 	GELIC_EURUS_WPA_SEC_NONE		= 0x0000,
84 	/* group=TKIP, pairwise=TKIP */
85 	GELIC_EURUS_WPA_SEC_WPA_TKIP_TKIP	= 0x0001,
86 	/* group=AES, pairwise=AES */
87 	GELIC_EURUS_WPA_SEC_WPA_AES_AES		= 0x0002,
88 	/* group=TKIP, pairwise=TKIP */
89 	GELIC_EURUS_WPA_SEC_WPA2_TKIP_TKIP	= 0x0004,
90 	/* group=AES, pairwise=AES */
91 	GELIC_EURUS_WPA_SEC_WPA2_AES_AES	= 0x0008,
92 	/* group=TKIP, pairwise=AES */
93 	GELIC_EURUS_WPA_SEC_WPA_TKIP_AES	= 0x0010,
94 	/* group=TKIP, pairwise=AES */
95 	GELIC_EURUS_WPA_SEC_WPA2_TKIP_AES	= 0x0020,
96 };
97 
98 enum gelic_eurus_wpa_psk_type {
99 	GELIC_EURUS_WPA_PSK_PASSPHRASE	= 0, /* passphrase string   */
100 	GELIC_EURUS_WPA_PSK_BIN		= 1, /* 32 bytes binary key */
101 };
102 
103 #define GELIC_WL_EURUS_PSK_MAX_LEN	64
104 #define WPA_PSK_LEN			32 /* WPA spec says 256bit */
105 
106 struct gelic_eurus_wpa_cfg {
107 	/* all fields are big endian */
108 	u16 security;
109 	u16 psk_type; /* psk key encoding type */
110 	u8 psk[GELIC_WL_EURUS_PSK_MAX_LEN]; /* psk key; hex or passphrase */
111 } __packed;
112 
113 /* for GELIC_EURUS_CMD_{START,GET}_SCAN */
114 enum gelic_eurus_scan_capability {
115 	GELIC_EURUS_SCAN_CAP_ADHOC	= 0x0000,
116 	GELIC_EURUS_SCAN_CAP_INFRA	= 0x0001,
117 	GELIC_EURUS_SCAN_CAP_MASK	= 0x0001,
118 };
119 
120 enum gelic_eurus_scan_sec_type {
121 	GELIC_EURUS_SCAN_SEC_NONE	= 0x0000,
122 	GELIC_EURUS_SCAN_SEC_WEP	= 0x0100,
123 	GELIC_EURUS_SCAN_SEC_WPA	= 0x0200,
124 	GELIC_EURUS_SCAN_SEC_WPA2	= 0x0400,
125 	GELIC_EURUS_SCAN_SEC_MASK	= 0x0f00,
126 };
127 
128 enum gelic_eurus_scan_sec_wep_type {
129 	GELIC_EURUS_SCAN_SEC_WEP_UNKNOWN	= 0x0000,
130 	GELIC_EURUS_SCAN_SEC_WEP_40		= 0x0001,
131 	GELIC_EURUS_SCAN_SEC_WEP_104		= 0x0002,
132 	GELIC_EURUS_SCAN_SEC_WEP_MASK		= 0x0003,
133 };
134 
135 enum gelic_eurus_scan_sec_wpa_type {
136 	GELIC_EURUS_SCAN_SEC_WPA_UNKNOWN	= 0x0000,
137 	GELIC_EURUS_SCAN_SEC_WPA_TKIP		= 0x0001,
138 	GELIC_EURUS_SCAN_SEC_WPA_AES		= 0x0002,
139 	GELIC_EURUS_SCAN_SEC_WPA_MASK		= 0x0003,
140 };
141 
142 /*
143  * hw BSS information structure returned from GELIC_EURUS_CMD_GET_SCAN
144  */
145 struct gelic_eurus_scan_info {
146 	/* all fields are big endian */
147 	__be16 size;
148 	__be16 rssi; /* percentage */
149 	__be16 channel; /* channel number */
150 	__be16 beacon_period; /* FIXME: in msec unit */
151 	__be16 capability;
152 	__be16 security;
153 	u8  bssid[8]; /* last ETH_ALEN are valid. bssid[0],[1] are unused */
154 	u8  essid[32]; /* IW_ESSID_MAX_SIZE */
155 	u8  rate[16]; /* first 12 are valid */
156 	u8  ext_rate[16]; /* first 16 are valid */
157 	__be32 reserved1;
158 	__be32 reserved2;
159 	__be32 reserved3;
160 	__be32 reserved4;
161 	u8 elements[0]; /* ie */
162 } __packed;
163 
164 /* the hypervisor returns bbs up to 16 */
165 #define GELIC_EURUS_MAX_SCAN  (16)
166 struct gelic_wl_scan_info {
167 	struct list_head list;
168 	struct gelic_eurus_scan_info *hwinfo;
169 
170 	int valid; /* set 1 if this entry was in latest scanned list
171 		     * from Eurus */
172 	unsigned int eurus_index; /* index in the Eurus list */
173 	unsigned long last_scanned; /* acquired time */
174 
175 	unsigned int rate_len;
176 	unsigned int rate_ext_len;
177 	unsigned int essid_len;
178 };
179 
180 /* for GELIC_EURUS_CMD_GET_RSSI */
181 struct gelic_eurus_rssi_info {
182 	/* big endian */
183 	__be16 rssi;
184 } __packed;
185 
186 
187 /* for 'stat' member of gelic_wl_info */
188 enum gelic_wl_info_status_bit {
189 	GELIC_WL_STAT_CONFIGURED,
190 	GELIC_WL_STAT_CH_INFO,   /* ch info acquired */
191 	GELIC_WL_STAT_ESSID_SET, /* ESSID specified by userspace */
192 	GELIC_WL_STAT_BSSID_SET, /* BSSID specified by userspace */
193 	GELIC_WL_STAT_WPA_PSK_SET, /* PMK specified by userspace */
194 	GELIC_WL_STAT_WPA_LEVEL_SET, /* WEP or WPA[2] selected */
195 };
196 
197 /* for 'scan_stat' member of gelic_wl_info */
198 enum gelic_wl_scan_state {
199 	/* just initialized or get last scan result failed */
200 	GELIC_WL_SCAN_STAT_INIT,
201 	/* scan request issued, accepted or chip is scanning */
202 	GELIC_WL_SCAN_STAT_SCANNING,
203 	/* scan results retrieved */
204 	GELIC_WL_SCAN_STAT_GOT_LIST,
205 };
206 
207 /* for 'cipher_method' */
208 enum gelic_wl_cipher_method {
209 	GELIC_WL_CIPHER_NONE,
210 	GELIC_WL_CIPHER_WEP,
211 	GELIC_WL_CIPHER_TKIP,
212 	GELIC_WL_CIPHER_AES,
213 };
214 
215 /* for 'wpa_level' */
216 enum gelic_wl_wpa_level {
217 	GELIC_WL_WPA_LEVEL_NONE,
218 	GELIC_WL_WPA_LEVEL_WPA,
219 	GELIC_WL_WPA_LEVEL_WPA2,
220 };
221 
222 /* for 'assoc_stat' */
223 enum gelic_wl_assoc_state {
224 	GELIC_WL_ASSOC_STAT_DISCONN,
225 	GELIC_WL_ASSOC_STAT_ASSOCIATING,
226 	GELIC_WL_ASSOC_STAT_ASSOCIATED,
227 };
228 /* part of private data alloc_etherdev() allocated */
229 #define GELIC_WEP_KEYS 4
230 struct gelic_wl_info {
231 	/* bss list */
232 	struct mutex scan_lock;
233 	struct list_head network_list;
234 	struct list_head network_free_list;
235 	struct gelic_wl_scan_info *networks;
236 
237 	unsigned long scan_age; /* last scanned time */
238 	enum gelic_wl_scan_state scan_stat;
239 	struct completion scan_done;
240 
241 	/* eurus command queue */
242 	struct workqueue_struct *eurus_cmd_queue;
243 	struct completion cmd_done_intr;
244 
245 	/* eurus event handling */
246 	struct workqueue_struct *event_queue;
247 	struct delayed_work event_work;
248 
249 	/* wl status bits */
250 	unsigned long stat;
251 	enum gelic_eurus_auth_method auth_method; /* open/shared */
252 	enum gelic_wl_cipher_method group_cipher_method;
253 	enum gelic_wl_cipher_method pairwise_cipher_method;
254 	enum gelic_wl_wpa_level wpa_level; /* wpa/wpa2 */
255 
256 	/* association handling */
257 	struct mutex assoc_stat_lock;
258 	struct delayed_work assoc_work;
259 	enum gelic_wl_assoc_state assoc_stat;
260 	struct completion assoc_done;
261 
262 	spinlock_t lock;
263 	u16 ch_info; /* available channels. bit0 = ch1 */
264 	/* WEP keys */
265 	u8 key[GELIC_WEP_KEYS][IW_ENCODING_TOKEN_MAX];
266 	unsigned long key_enabled;
267 	unsigned int key_len[GELIC_WEP_KEYS];
268 	unsigned int current_key;
269 	/* WWPA PSK */
270 	u8 psk[GELIC_WL_EURUS_PSK_MAX_LEN];
271 	enum gelic_eurus_wpa_psk_type psk_type;
272 	unsigned int psk_len;
273 
274 	u8 essid[IW_ESSID_MAX_SIZE];
275 	u8 bssid[ETH_ALEN]; /* userland requested */
276 	u8 active_bssid[ETH_ALEN]; /* associated bssid */
277 	unsigned int essid_len;
278 
279 	struct iw_public_data wireless_data;
280 	struct iw_statistics iwstat;
281 };
282 
283 #define GELIC_WL_BSS_MAX_ENT 32
284 #define GELIC_WL_ASSOC_RETRY 50
285 static inline struct gelic_port *wl_port(struct gelic_wl_info *wl)
286 {
287 	return container_of((void *)wl, struct gelic_port, priv);
288 }
289 static inline struct gelic_wl_info *port_wl(struct gelic_port *port)
290 {
291 	return port_priv(port);
292 }
293 
294 struct gelic_eurus_cmd {
295 	struct work_struct work;
296 	struct gelic_wl_info *wl;
297 	unsigned int cmd; /* command code */
298 	u64 tag;
299 	u64 size;
300 	void *buffer;
301 	unsigned int buf_size;
302 	struct completion done;
303 	int status;
304 	u64 cmd_status;
305 };
306 
307 /* private ioctls to pass PSK */
308 #define GELIC_WL_PRIV_SET_PSK		(SIOCIWFIRSTPRIV + 0)
309 #define GELIC_WL_PRIV_GET_PSK		(SIOCIWFIRSTPRIV + 1)
310 
311 int gelic_wl_driver_probe(struct gelic_card *card);
312 int gelic_wl_driver_remove(struct gelic_card *card);
313 void gelic_wl_interrupt(struct net_device *netdev, u64 status);
314 #endif /* _GELIC_WIRELESS_H */
315