2 * Copyright (c) 2010 Broadcom Corporation
4 * Permission to use, copy, modify, and/or distribute this software for any
5 * purpose with or without fee is hereby granted, provided that the above
6 * copyright notice and this permission notice appear in all copies.
8 * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
9 * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
10 * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY
11 * SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
12 * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION
13 * OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN
14 * CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
17 #ifndef _wl_cfg80211_h_
18 #define _wl_cfg80211_h_
20 #include <linux/wireless.h>
22 #include <proto/ethernet.h>
24 #include <linux/wireless.h>
25 #include <net/cfg80211.h>
33 #if defined(IL_BIGENDIAN)
34 #include <bcmendian.h>
35 #define htod32(i) (bcmswap32(i))
36 #define htod16(i) (bcmswap16(i))
37 #define dtoh32(i) (bcmswap32(i))
38 #define dtoh16(i) (bcmswap16(i))
39 #define htodchanspec(i) htod16(i)
40 #define dtohchanspec(i) dtoh16(i)
46 #define htodchanspec(i) i
47 #define dtohchanspec(i) i
51 #define WL_DBG_DBG (1 << 2)
52 #define WL_DBG_INFO (1 << 1)
53 #define WL_DBG_ERR (1 << 0)
54 #define WL_DBG_MASK ((WL_DBG_DBG | WL_DBG_INFO | WL_DBG_ERR) << 1)
56 #define WL_DBG_LEVEL 1 /* 0 invalidates all debug messages.
58 #define WL_ERR(args) \
60 if (wl_dbg_level & WL_DBG_ERR) { \
61 if (net_ratelimit()) { \
62 printk(KERN_ERR "ERROR @%s : ", __func__); \
67 #define WL_INFO(args) \
69 if (wl_dbg_level & WL_DBG_INFO) { \
70 if (net_ratelimit()) { \
71 printk(KERN_ERR "INFO @%s : ", __func__); \
76 #if (WL_DBG_LEVEL > 0)
77 #define WL_DBG(args) \
79 if (wl_dbg_level & WL_DBG_DBG) { \
80 printk(KERN_ERR "DEBUG @%s :", __func__); \
84 #else /* !(WL_DBG_LEVEL > 0) */
86 #endif /* (WL_DBG_LEVEL > 0) */
88 #define WL_SCAN_RETRY_MAX 3 /* used for ibss scan */
89 #define WL_NUM_SCAN_MAX 1
90 #define WL_NUM_PMKIDS_MAX MAXPMKID /* will be used
94 #define WL_SCAN_BUF_MAX (1024 * 8)
95 #define WL_TLV_INFO_MAX 1024
96 #define WL_BSS_INFO_MAX 2048
97 #define WL_ASSOC_INFO_MAX 512 /*
98 * needs to grab assoc info from dongle to
99 * report it to cfg80211 through "connect"
102 #define WL_IOCTL_LEN_MAX 1024
103 #define WL_EXTRA_BUF_MAX 2048
104 #define WL_ISCAN_BUF_MAX 2048 /*
105 * the buf lengh can be WLC_IOCTL_MAXLEN (8K)
106 * to reduce iteration
108 #define WL_ISCAN_TIMER_INTERVAL_MS 3000
109 #define WL_SCAN_ERSULTS_LAST (WL_SCAN_RESULTS_NO_MEM+1)
110 #define WL_AP_MAX 256 /* virtually unlimitted as long
111 * as kernel memory allows
113 #define WL_FILE_NAME_MAX 256
119 WL_STATUS_SCAN_ABORTING,
120 WL_STATUS_CONNECTING,
131 /* dongle profile list */
144 /* dongle iscan state */
145 enum wl_iscan_state {
147 WL_ISCAN_STATE_SCANING
150 /* fw downloading status */
153 WL_NVRAM_LOADING_DONE
156 /* beacon / probe_response */
157 struct beacon_proberesp {
162 } __attribute__ ((packed));
164 /* dongle configuration */
166 u32 mode; /* adhoc , infrastructure or ap */
172 struct ieee80211_channel channel;
175 /* cfg80211 main event loop */
176 struct wl_event_loop {
177 s32(*handler[WLC_E_LAST]) (struct wl_priv *wl,
178 struct net_device *ndev,
179 const wl_event_msg_t *e, void *data);
182 /* representing interface of cfg80211 plane */
188 void *driver_data; /* to store cfg80211 object information */
191 /* bss inform structure for cfg80211 interface */
192 struct wl_cfg80211_bss_info {
200 /* basic structure of scan request */
202 struct wlc_ssid ssid;
205 /* basic structure of information element */
208 u8 buf[WL_TLV_INFO_MAX];
211 /* event queue for cfg80211 main event */
213 struct list_head eq_list;
219 /* security information with currently associated ap */
228 /* ibss information for currently joined ibss network */
230 u8 beacon_interval; /* in millisecond */
231 u8 atim; /* in millisecond */
240 struct wlc_ssid ssid;
241 u8 bssid[ETHER_ADDR_LEN];
244 struct wl_security sec;
250 /* dongle iscan event loop */
251 struct wl_iscan_eloop {
252 s32(*handler[WL_SCAN_ERSULTS_LAST]) (struct wl_priv *wl);
255 /* dongle iscan controller */
256 struct wl_iscan_ctrl {
257 struct net_device *dev;
258 struct timer_list timer;
262 struct task_struct *tsk;
263 struct semaphore sync;
264 struct wl_iscan_eloop el;
266 s8 ioctl_buf[WLC_IOCTL_SMLEN];
267 s8 scan_buf[WL_ISCAN_BUF_MAX];
270 /* association inform */
271 struct wl_connect_info {
278 /* firmware /nvram downloading controller */
280 const struct firmware *fw_entry;
281 unsigned long status;
283 s8 fw_name[WL_FILE_NAME_MAX];
284 s8 nvram_name[WL_FILE_NAME_MAX];
287 /* assoc ie length */
288 struct wl_assoc_ielen {
296 pmkid_t foo[MAXPMKID - 1];
299 /* dongle private data of cfg80211 interface */
301 struct wireless_dev *wdev; /* representing wl cfg80211 device */
302 struct wl_conf *conf; /* dongle configuration */
303 struct cfg80211_scan_request *scan_request; /* scan request
305 struct wl_event_loop el; /* main event loop */
306 struct list_head eq_list; /* used for event queue */
307 spinlock_t eq_lock; /* for event queue synchronization */
308 struct mutex usr_sync; /* maily for dongle up/down synchronization */
309 struct wl_scan_results *bss_list; /* bss_list holding scanned
311 struct wl_scan_results *scan_results;
312 struct wl_scan_req *scan_req_int; /* scan request object for
314 struct wl_cfg80211_bss_info *bss_info; /* bss information for
316 struct wl_ie ie; /* information element object for
318 struct ether_addr bssid; /* bssid of currently engaged network */
319 struct semaphore event_sync; /* for synchronization of main event
321 struct wl_profile *profile; /* holding dongle profile */
322 struct wl_iscan_ctrl *iscan; /* iscan controller */
323 struct wl_connect_info conn_info; /* association information
325 struct wl_fw_ctrl *fw; /* control firwmare / nvram paramter
327 struct wl_pmk_list *pmk_list; /* wpa2 pmk list */
328 struct task_struct *event_tsk; /* task of main event handler thread */
329 unsigned long status; /* current dongle status */
331 u32 channel; /* current channel */
332 bool iscan_on; /* iscan on/off switch */
333 bool iscan_kickstart; /* indicate iscan already started */
334 bool active_scan; /* current scan mode */
335 bool ibss_starter; /* indicates this sta is ibss starter */
336 bool link_up; /* link/connection up flag */
337 bool pwr_save; /* indicate whether dongle to support
339 bool dongle_up; /* indicate whether dongle up or not */
340 bool roam_on; /* on/off switch for dongle self-roaming */
341 bool scan_tried; /* indicates if first scan attempted */
342 u8 *ioctl_buf; /* ioctl buffer */
343 u8 *extra_buf; /* maily to grab assoc information */
344 struct dentry *debugfsdir;
345 u8 ci[0] __attribute__ ((__aligned__(NETDEV_ALIGN)));
348 #define wl_to_dev(w) (wiphy_dev(wl->wdev->wiphy))
349 #define wl_to_wiphy(w) (w->wdev->wiphy)
350 #define wiphy_to_wl(w) ((struct wl_priv *)(wiphy_priv(w)))
351 #define wl_to_wdev(w) (w->wdev)
352 #define wdev_to_wl(w) ((struct wl_priv *)(wdev_priv(w)))
353 #define wl_to_ndev(w) (w->wdev->netdev)
354 #define ndev_to_wl(n) (wdev_to_wl(n->ieee80211_ptr))
355 #define ci_to_wl(c) (ci->wl)
356 #define wl_to_ci(w) (&w->ci)
357 #define wl_to_sr(w) (w->scan_req_int)
358 #define wl_to_ie(w) (&w->ie)
359 #define iscan_to_wl(i) ((struct wl_priv *)(i->data))
360 #define wl_to_iscan(w) (w->iscan)
361 #define wl_to_conn(w) (&w->conn_info)
363 static inline struct wl_bss_info *next_bss(struct wl_scan_results *list,
364 struct wl_bss_info *bss)
367 (struct wl_bss_info *)((unsigned long)bss +
368 dtoh32(bss->length)) : list->bss_info;
371 #define for_each_bss(list, bss, __i) \
372 for (__i = 0; __i < list->count && __i < WL_AP_MAX; __i++, bss = next_bss(list, bss))
374 extern s32 wl_cfg80211_attach(struct net_device *ndev, void *data);
375 extern void wl_cfg80211_detach(void);
376 /* event handler from dongle */
377 extern void wl_cfg80211_event(struct net_device *ndev, const wl_event_msg_t *e,
379 extern void wl_cfg80211_sdio_func(void *func); /* set sdio function info */
380 extern struct sdio_func *wl_cfg80211_get_sdio_func(void); /* set sdio function info */
381 extern s32 wl_cfg80211_up(void); /* dongle up */
382 extern s32 wl_cfg80211_down(void); /* dongle down */
383 extern void wl_cfg80211_dbg_level(u32 level); /* set dongle
385 extern void *wl_cfg80211_request_fw(s8 *file_name); /* request fw /nvram
387 extern s32 wl_cfg80211_read_fw(s8 *buf, u32 size); /* read fw
389 extern void wl_cfg80211_release_fw(void); /* release fw */
390 extern s8 *wl_cfg80211_get_fwname(void); /* get firmware name for
392 extern s8 *wl_cfg80211_get_nvramname(void); /* get nvram name for
395 #endif /* _wl_cfg80211_h_ */