/* * Linux Cfg80211 support * * Copyright (C) 1999-2010, Broadcom Corporation * * Unless you and Broadcom execute a separate written software license * agreement governing use of this software, this software is licensed to you * under the terms of the GNU General Public License version 2 (the "GPL"), * available at http://www.broadcom.com/licenses/GPLv2.php, with the * following added to such license: * * As a special exception, the copyright holders of this software give you * permission to link this software with independent modules, and to copy and * distribute the resulting executable under terms of your choice, provided that * you also meet, for each linked independent module, the terms and conditions of * the license of that module. An independent module is a module which is not * derived from this software. The special exception does not apply to any * modifications of the software. * * Notwithstanding the above, under no circumstances may you combine this * software in any way with any other Broadcom software provided under a license * other than the GPL, without Broadcom's express prior written consent. * * $Id: wl_cfg80211.h,v 1.1.2.19 2010/05/04 21:21:00 Exp $ */ #ifndef _wl_cfg80211_h_ #define _wl_cfg80211_h_ #include #include #include #include #include #include struct wl_conf; struct wl_iface; struct wl_priv; struct wl_security; struct wl_ibss; #if defined(IL_BIGENDIAN) #include #define htod32(i) (bcmswap32(i)) #define htod16(i) (bcmswap16(i)) #define dtoh32(i) (bcmswap32(i)) #define dtoh16(i) (bcmswap16(i)) #define htodchanspec(i) htod16(i) #define dtohchanspec(i) dtoh16(i) #else #define htod32(i) i #define htod16(i) i #define dtoh32(i) i #define dtoh16(i) i #define htodchanspec(i) i #define dtohchanspec(i) i #endif #define WL_DBG_NONE 0 #define WL_DBG_DBG (1 << 2) #define WL_DBG_INFO (1 << 1) #define WL_DBG_ERR (1 << 0) #define WL_DBG_MASK ((WL_DBG_DBG | WL_DBG_INFO | WL_DBG_ERR) << 1) #define WL_DBG_LEVEL 1 /* 0 invalidates all debug messages. default is 1 */ #define WL_ERR(args) \ do { \ if (wl_dbg_level & WL_DBG_ERR) { \ if (net_ratelimit()) { \ printk("ERROR @%s : ", __FUNCTION__); \ printk args; \ } \ } \ } while (0) #define WL_INFO(args) \ do { \ if (wl_dbg_level & WL_DBG_INFO) { \ if (net_ratelimit()) { \ printk("INFO @%s : ", __FUNCTION__); \ printk args; \ } \ } \ } while (0) #if (WL_DBG_LEVEL > 0) #define WL_DBG(args) \ do { \ if (wl_dbg_level & WL_DBG_DBG) { \ printk("DEBUG @%s :", __FUNCTION__); \ printk args; \ } \ } while (0) #else /* !(WL_DBG_LEVEL > 0) */ #define WL_DBG(args) #endif /* (WL_DBG_LEVEL > 0) */ #define WL_SCAN_RETRY_MAX 3 /* used for ibss scan */ #define WL_NUM_SCAN_MAX 1 #define WL_NUM_PMKIDS_MAX MAXPMKID /* will be used for 2.6.33 kernel * or later */ #define WL_SCAN_BUF_MAX (1024 * 8) #define WL_TLV_INFO_MAX 1024 #define WL_BSS_INFO_MAX 2048 #define WL_ASSOC_INFO_MAX 512 /* * needs to grab assoc info from dongle to * report it to cfg80211 through "connect" * event */ #define WL_IOCTL_LEN_MAX 1024 #define WL_EXTRA_BUF_MAX 2048 #define WL_ISCAN_BUF_MAX 2048 /* the buf lengh can be WLC_IOCTL_MAXLEN (8K) * to reduce iteration */ #define WL_ISCAN_TIMER_INTERVAL_MS 3000 #define WL_SCAN_ERSULTS_LAST (WL_SCAN_RESULTS_NO_MEM+1) #define WL_AP_MAX 256 /* virtually unlimitted as long * as kernel memory allows */ #define WL_FILE_NAME_MAX 256 /* dongle status */ enum wl_status { WL_STATUS_READY, WL_STATUS_SCANNING, WL_STATUS_SCAN_ABORTING, WL_STATUS_CONNECTING, WL_STATUS_CONNECTED }; /* wi-fi mode */ enum wl_mode { WL_MODE_BSS, WL_MODE_IBSS, WL_MODE_AP }; /* dongle profile list */ enum wl_prof_list { WL_PROF_MODE, WL_PROF_SSID, WL_PROF_SEC, WL_PROF_IBSS, WL_PROF_BAND, WL_PROF_BSSID, WL_PROF_ACT }; /* dongle iscan state */ enum wl_iscan_state { WL_ISCAN_STATE_IDLE, WL_ISCAN_STATE_SCANING }; /* fw downloading status */ enum wl_fw_status { WL_FW_LOADING_DONE, WL_NVRAM_LOADING_DONE }; /* dongle configuration */ struct wl_conf { uint32 mode; /* adhoc , infrastructure or ap */ uint32 frag_threshold; uint32 rts_threshold; uint32 retry_short; uint32 retry_long; int32 tx_power; struct ieee80211_channel channel; }; /* cfg80211 main event loop */ struct wl_event_loop { int32 (*handler[WLC_E_LAST])(struct wl_priv *wl, struct net_device *ndev, const wl_event_msg_t *e, void *data); }; /* representing interface of cfg80211 plane */ struct wl_iface { struct wl_priv *wl; }; struct wl_dev { void *driver_data; /* to store cfg80211 object information */ }; /* bss inform structure for cfg80211 interface */ struct wl_cfg80211_bss_info { uint16 band; uint16 channel; int16 rssi; uint16 frame_len; uint8 frame_buf[1]; }; /* basic structure of scan request */ struct wl_scan_req { struct wlc_ssid ssid; }; /* basic structure of information element */ struct wl_ie { uint16 offset; uint8 buf[WL_TLV_INFO_MAX]; }; /* event queue for cfg80211 main event */ struct wl_event_q { struct list_head eq_list; uint32 etype; wl_event_msg_t emsg; int8 edata[1]; }; /* security information with currently associated ap */ struct wl_security { uint32 wpa_versions; uint32 auth_type; uint32 cipher_pairwise; uint32 cipher_group; uint32 wpa_auth; }; /* ibss information for currently joined ibss network */ struct wl_ibss { uint8 beacon_interval; /* in millisecond */ uint8 atim; /* in millisecond */ int8 join_only; uint8 band; uint8 channel; }; /* dongle profile */ struct wl_profile { uint32 mode; struct wlc_ssid ssid; uint8 bssid[ETHER_ADDR_LEN]; struct wl_security sec; struct wl_ibss ibss; int32 band; bool active; }; /* dongle iscan event loop */ struct wl_iscan_eloop { int32 (*handler[WL_SCAN_ERSULTS_LAST])(struct wl_priv *wl); }; /* dongle iscan controller */ struct wl_iscan_ctrl { struct net_device *dev; struct timer_list timer; uint32 timer_ms; uint32 timer_on; int32 state; int32 pid; struct semaphore sync; struct completion exited; struct wl_iscan_eloop el; void *data; int8 ioctl_buf[WLC_IOCTL_SMLEN]; int8 scan_buf[WL_ISCAN_BUF_MAX]; }; /* association inform */ struct wl_connect_info { uint8 *req_ie; int32 req_ie_len; uint8 *resp_ie; int32 resp_ie_len; }; /* firmware /nvram downloading controller */ struct wl_fw_ctrl { const struct firmware *fw_entry; ulong status; uint32 ptr; int8 fw_name[WL_FILE_NAME_MAX]; int8 nvram_name[WL_FILE_NAME_MAX]; }; /* assoc ie length */ struct wl_assoc_ielen { uint32 req_len; uint32 resp_len; }; /* wpa2 pmk list */ struct wl_pmk_list { pmkid_list_t pmkids; pmkid_t foo[MAXPMKID-1]; }; /* dongle private data of cfg80211 interface */ struct wl_priv { struct wireless_dev *wdev; /* representing wl cfg80211 device */ struct wl_conf *conf; /* dongle configuration */ struct cfg80211_scan_request *scan_request; /* scan request object */ struct wl_event_loop el; /* main event loop */ struct list_head eq_list; /* used for event queue */ spinlock_t eq_lock; /* for event queue synchronization */ struct mutex usr_sync; /* maily for dongle up/down synchronization */ struct wl_scan_results *bss_list; /* bss_list holding scanned ap information */ struct wl_scan_results *scan_results; struct wl_scan_req *scan_req_int; /* scan request object for internal purpose */ struct wl_cfg80211_bss_info *bss_info; /* bss information for cfg80211 layer */ struct wl_ie ie; /* information element object for internal purpose */ struct ether_addr bssid; /* bssid of currently engaged network */ struct semaphore event_sync; /* for synchronization of main event thread */ struct completion event_exit; struct wl_profile *profile; /* holding dongle profile */ struct wl_iscan_ctrl *iscan; /* iscan controller */ struct wl_connect_info conn_info; /* association information container */ struct wl_fw_ctrl *fw; /* control firwmare / nvram paramter downloading */ struct wl_pmk_list *pmk_list; /* wpa2 pmk list */ int32 event_pid; /* pid of main event handler thread */ ulong status; /* current dongle status */ void * pub; uint32 channel; /* current channel */ bool iscan_on; /* iscan on/off switch */ bool iscan_kickstart; /* indicate iscan already started */ bool active_scan; /* current scan mode */ bool ibss_starter; /* indicates this sta is ibss starter */ bool link_up; /* link/connection up flag */ bool pwr_save; /* indicate whether dongle to support power save mode */ bool dongle_up; /* indicate whether dongle up or not */ bool roam_on; /* on/off switch for dongle self-roaming */ bool scan_tried; /* indicates if first scan attempted */ uint8 *ioctl_buf; /* ioctl buffer */ uint8 *extra_buf; /* maily to grab assoc information */ uint8 ci[0] __attribute__((__aligned__(NETDEV_ALIGN))); }; #define wl_to_dev(w) (wiphy_dev(wl->wdev->wiphy)) #define wl_to_wiphy(w) (w->wdev->wiphy) #define wiphy_to_wl(w) ((struct wl_priv *)(wiphy_priv(w))) #define wl_to_wdev(w) (w->wdev) #define wdev_to_wl(w) ((struct wl_priv *)(wdev_priv(w))) #define wl_to_ndev(w) (w->wdev->netdev) #define ndev_to_wl(n) (wdev_to_wl(n->ieee80211_ptr)) #define ci_to_wl(c) (ci->wl) #define wl_to_ci(w) (&w->ci) #define wl_to_sr(w) (w->scan_req_int) #define wl_to_ie(w) (&w->ie) #define iscan_to_wl(i) ((struct wl_priv *)(i->data)) #define wl_to_iscan(w) (w->iscan) #define wl_to_conn(w) (&w->conn_info) inline static struct wl_bss_info * next_bss(struct wl_scan_results *list, struct wl_bss_info *bss) { return (bss = bss ? (struct wl_bss_info *)((uintptr)bss + dtoh32(bss->length)) : list->bss_info); } #define for_each_bss(list, bss, __i) \ for (__i = 0; __i < list->count && __i < WL_AP_MAX; __i++, bss = next_bss(list, bss)) extern int32 wl_cfg80211_attach(struct net_device *ndev, void *data); extern void wl_cfg80211_detach(void); /* event handler from dongle */ extern void wl_cfg80211_event(struct net_device *ndev, const wl_event_msg_t *e, void* data); extern void wl_cfg80211_sdio_func(void *func); /* set sdio function info */ extern int32 wl_cfg80211_up(void); /* dongle up */ extern int32 wl_cfg80211_down(void); /* dongle down */ extern void wl_cfg80211_dbg_level(uint32 level); /* set dongle debugging level */ extern void * wl_cfg80211_request_fw(int8 *file_name); /* request fw /nvram downloading */ extern int32 wl_cfg80211_read_fw(int8 *buf, uint32 size); /* read fw image */ extern void wl_cfg80211_release_fw(void); /* release fw */ extern int8 * wl_cfg80211_get_fwname(void); /* get firmware name for the dongle */ extern int8 * wl_cfg80211_get_nvramname(void); /* get nvram name for the dongle */ #endif /* _wl_cfg80211_h_ */