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/*
* 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 <typedefs.h>
#include <proto/ethernet.h>
#include <wlioctl.h>
#include <linux/wireless.h>
#include <net/cfg80211.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
};
/* 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 {
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;
uint32 etype;
wl_event_msg_t emsg;
s8 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 {
u8 beacon_interval; /* in millisecond */
u8 atim; /* in millisecond */
s8 join_only;
u8 band;
u8 channel;
};
/* dongle profile */
struct wl_profile {
uint32 mode;
struct wlc_ssid ssid;
u8 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;
s8 ioctl_buf[WLC_IOCTL_SMLEN];
s8 scan_buf[WL_ISCAN_BUF_MAX];
};
/* association inform */
struct wl_connect_info {
u8 *req_ie;
int32 req_ie_len;
u8 *resp_ie;
int32 resp_ie_len;
};
/* firmware /nvram downloading controller */
struct wl_fw_ctrl {
const struct firmware *fw_entry;
unsigned long status;
uint32 ptr;
s8 fw_name[WL_FILE_NAME_MAX];
s8 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 */
unsigned long 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 */
u8 *ioctl_buf; /* ioctl buffer */
u8 *extra_buf; /* maily to grab assoc information */
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 *)((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 struct sdio_func *wl_cfg80211_get_sdio_func(void); /* 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(s8 *file_name); /* request fw /nvram
downloading */
extern int32 wl_cfg80211_read_fw(s8 *buf, uint32 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_ */
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