diff options
Diffstat (limited to 'drivers/staging/brcm80211/brcmfmac/wl_cfg80211.h')
| -rw-r--r-- | drivers/staging/brcm80211/brcmfmac/wl_cfg80211.h | 394 |
1 files changed, 394 insertions, 0 deletions
diff --git a/drivers/staging/brcm80211/brcmfmac/wl_cfg80211.h b/drivers/staging/brcm80211/brcmfmac/wl_cfg80211.h new file mode 100644 index 000000000000..770e63f0c8ef --- /dev/null +++ b/drivers/staging/brcm80211/brcmfmac/wl_cfg80211.h @@ -0,0 +1,394 @@ +/* + * Copyright (c) 2010 Broadcom Corporation + * + * Permission to use, copy, modify, and/or distribute this software for any + * purpose with or without fee is hereby granted, provided that the above + * copyright notice and this permission notice appear in all copies. + * + * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES + * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF + * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY + * SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES + * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION + * OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN + * CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. + */ + +#ifndef _wl_cfg80211_h_ +#define _wl_cfg80211_h_ + +#include <linux/wireless.h> +#include <linux/wireless.h> +#include <net/cfg80211.h> +#include <proto/ethernet.h> +#include <wlioctl.h> + +struct wl_conf; +struct wl_iface; +struct wl_priv; +struct wl_security; +struct wl_ibss; + +#if defined(IL_BIGENDIAN) +#include <bcmendian.h> +#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(KERN_ERR "ERROR @%s : ", __func__); \ + printk args; \ + } \ + } \ +} while (0) +#define WL_INFO(args) \ +do { \ + if (wl_dbg_level & WL_DBG_INFO) { \ + if (net_ratelimit()) { \ + printk(KERN_ERR "INFO @%s : ", __func__); \ + printk args; \ + } \ + } \ +} while (0) +#if (WL_DBG_LEVEL > 0) +#define WL_DBG(args) \ +do { \ + if (wl_dbg_level & WL_DBG_DBG) { \ + printk(KERN_ERR "DEBUG @%s :", __func__); \ + 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, + WL_PROF_BEACONINT, + WL_PROF_DTIMPERIOD +}; + +/* 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 +}; + +/* beacon / probe_response */ +struct beacon_proberesp { + __le64 timestamp; + __le16 beacon_int; + __le16 capab_info; + u8 variable[0]; +} __attribute__ ((packed)); + +/* dongle configuration */ +struct wl_conf { + u32 mode; /* adhoc , infrastructure or ap */ + u32 frag_threshold; + u32 rts_threshold; + u32 retry_short; + u32 retry_long; + s32 tx_power; + struct ieee80211_channel channel; +}; + +/* cfg80211 main event loop */ +struct wl_event_loop { + s32(*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 { + u16 band; + u16 channel; + s16 rssi; + u16 frame_len; + u8 frame_buf[1]; +}; + +/* basic structure of scan request */ +struct wl_scan_req { + struct wlc_ssid ssid; +}; + +/* basic structure of information element */ +struct wl_ie { + u16 offset; + u8 buf[WL_TLV_INFO_MAX]; +}; + +/* event queue for cfg80211 main event */ +struct wl_event_q { + struct list_head eq_list; + u32 etype; + wl_event_msg_t emsg; + s8 edata[1]; +}; + +/* security information with currently associated ap */ +struct wl_security { + u32 wpa_versions; + u32 auth_type; + u32 cipher_pairwise; + u32 cipher_group; + u32 wpa_auth; +}; + +/* ibss information for currently joined ibss network */ +struct wl_ibss { + u8 beacon_interval; /* in millisecond */ + u8 atim; /* in millisecond */ + s8 join_only; + u8 band; + u8 channel; +}; + +/* dongle profile */ +struct wl_profile { + u32 mode; + struct wlc_ssid ssid; + u8 bssid[ETHER_ADDR_LEN]; + u16 beacon_interval; + u8 dtim_period; + struct wl_security sec; + struct wl_ibss ibss; + s32 band; + bool active; +}; + +/* dongle iscan event loop */ +struct wl_iscan_eloop { + s32(*handler[WL_SCAN_ERSULTS_LAST]) (struct wl_priv *wl); +}; + +/* dongle iscan controller */ +struct wl_iscan_ctrl { + struct net_device *dev; + struct timer_list timer; + u32 timer_ms; + u32 timer_on; + s32 state; + struct task_struct *tsk; + struct semaphore sync; + struct wl_iscan_eloop el; + void *data; + s8 ioctl_buf[WLC_IOCTL_SMLEN]; + s8 scan_buf[WL_ISCAN_BUF_MAX]; +}; + +/* association inform */ +struct wl_connect_info { + u8 *req_ie; + s32 req_ie_len; + u8 *resp_ie; + s32 resp_ie_len; +}; + +/* firmware /nvram downloading controller */ +struct wl_fw_ctrl { + const struct firmware *fw_entry; + unsigned long status; + u32 ptr; + s8 fw_name[WL_FILE_NAME_MAX]; + s8 nvram_name[WL_FILE_NAME_MAX]; +}; + +/* assoc ie length */ +struct wl_assoc_ielen { + u32 req_len; + u32 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 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 */ + struct task_struct *event_tsk; /* task of main event handler thread */ + unsigned long status; /* current dongle status */ + void *pub; + u32 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 */ + u8 *ioctl_buf; /* ioctl buffer */ + u8 *extra_buf; /* maily to grab assoc information */ + struct dentry *debugfsdir; + u8 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) + +static inline struct wl_bss_info *next_bss(struct wl_scan_results *list, + struct wl_bss_info *bss) +{ + return bss = bss ? + (struct wl_bss_info *)((unsigned long)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 s32 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 struct sdio_func *wl_cfg80211_get_sdio_func(void); /* set sdio function info */ +extern s32 wl_cfg80211_up(void); /* dongle up */ +extern s32 wl_cfg80211_down(void); /* dongle down */ +extern void wl_cfg80211_dbg_level(u32 level); /* set dongle + debugging level */ +extern void *wl_cfg80211_request_fw(s8 *file_name); /* request fw /nvram + downloading */ +extern s32 wl_cfg80211_read_fw(s8 *buf, u32 size); /* read fw + image */ +extern void wl_cfg80211_release_fw(void); /* release fw */ +extern s8 *wl_cfg80211_get_fwname(void); /* get firmware name for + the dongle */ +extern s8 *wl_cfg80211_get_nvramname(void); /* get nvram name for + the dongle */ + +#endif /* _wl_cfg80211_h_ */ |