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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_
struct brcmf_cfg80211_conf;
struct brcmf_cfg80211_iface;
struct brcmf_cfg80211_priv;
struct brcmf_cfg80211_security;
struct brcmf_cfg80211_ibss;
#define WL_DBG_NONE 0
#define WL_DBG_CONN (1 << 5)
#define WL_DBG_SCAN (1 << 4)
#define WL_DBG_TRACE (1 << 3)
#define WL_DBG_INFO (1 << 1)
#define WL_DBG_ERR (1 << 0)
#define WL_DBG_MASK ((WL_DBG_INFO | WL_DBG_ERR | WL_DBG_TRACE) | \
(WL_DBG_SCAN) | (WL_DBG_CONN))
#define WL_ERR(fmt, args...) \
do { \
if (brcmf_dbg_level & WL_DBG_ERR) { \
if (net_ratelimit()) { \
printk(KERN_ERR "ERROR @%s : " fmt, \
__func__, ##args); \
} \
} \
} while (0)
#if (defined BCMDBG)
#define WL_INFO(fmt, args...) \
do { \
if (brcmf_dbg_level & WL_DBG_INFO) { \
if (net_ratelimit()) { \
printk(KERN_ERR "INFO @%s : " fmt, \
__func__, ##args); \
} \
} \
} while (0)
#define WL_TRACE(fmt, args...) \
do { \
if (brcmf_dbg_level & WL_DBG_TRACE) { \
if (net_ratelimit()) { \
printk(KERN_ERR "TRACE @%s : " fmt, \
__func__, ##args); \
} \
} \
} while (0)
#define WL_SCAN(fmt, args...) \
do { \
if (brcmf_dbg_level & WL_DBG_SCAN) { \
if (net_ratelimit()) { \
printk(KERN_ERR "SCAN @%s : " fmt, \
__func__, ##args); \
} \
} \
} while (0)
#define WL_CONN(fmt, args...) \
do { \
if (brcmf_dbg_level & WL_DBG_CONN) { \
if (net_ratelimit()) { \
printk(KERN_ERR "CONN @%s : " fmt, \
__func__, ##args); \
} \
} \
} while (0)
#else /* (defined BCMDBG) */
#define WL_INFO(fmt, args...)
#define WL_TRACE(fmt, args...)
#define WL_SCAN(fmt, args...)
#define WL_CONN(fmt, args...)
#endif /* (defined BCMDBG) */
#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_DCMD_LEN_MAX 1024
#define WL_EXTRA_BUF_MAX 2048
#define WL_ISCAN_BUF_MAX 2048 /*
* the buf length can be BRCMF_DCMD_MAXLEN
* to reduce iteration
*/
#define WL_ISCAN_TIMER_INTERVAL_MS 3000
#define WL_SCAN_ERSULTS_LAST (BRCMF_SCAN_RESULTS_NO_MEM+1)
#define WL_AP_MAX 256 /* virtually unlimitted as long
* as kernel memory allows
*/
#define WL_ROAM_TRIGGER_LEVEL -75
#define WL_ROAM_DELTA 20
#define WL_BEACON_TIMEOUT 3
#define WL_SCAN_CHANNEL_TIME 40
#define WL_SCAN_UNASSOC_TIME 40
#define WL_SCAN_PASSIVE_TIME 120
/* 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
};
/* dongle configuration */
struct brcmf_cfg80211_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 brcmf_cfg80211_event_loop {
s32(*handler[BRCMF_E_LAST]) (struct brcmf_cfg80211_priv *cfg_priv,
struct net_device *ndev,
const struct brcmf_event_msg *e,
void *data);
};
/* representing interface of cfg80211 plane */
struct brcmf_cfg80211_iface {
struct brcmf_cfg80211_priv *cfg_priv;
};
struct brcmf_cfg80211_dev {
void *driver_data; /* to store cfg80211 object information */
};
/* basic structure of scan request */
struct brcmf_cfg80211_scan_req {
struct brcmf_ssid_le ssid_le;
};
/* basic structure of information element */
struct brcmf_cfg80211_ie {
u16 offset;
u8 buf[WL_TLV_INFO_MAX];
};
/* event queue for cfg80211 main event */
struct brcmf_cfg80211_event_q {
struct list_head evt_q_list;
u32 etype;
struct brcmf_event_msg emsg;
s8 edata[1];
};
/* security information with currently associated ap */
struct brcmf_cfg80211_security {
u32 wpa_versions;
u32 auth_type;
u32 cipher_pairwise;
u32 cipher_group;
u32 wpa_auth;
};
/* ibss information for currently joined ibss network */
struct brcmf_cfg80211_ibss {
u8 beacon_interval; /* in millisecond */
u8 atim; /* in millisecond */
s8 join_only;
u8 band;
u8 channel;
};
/* dongle profile */
struct brcmf_cfg80211_profile {
u32 mode;
struct brcmf_ssid ssid;
u8 bssid[ETH_ALEN];
u16 beacon_interval;
u8 dtim_period;
struct brcmf_cfg80211_security sec;
struct brcmf_cfg80211_ibss ibss;
s32 band;
};
/* dongle iscan event loop */
struct brcmf_cfg80211_iscan_eloop {
s32 (*handler[WL_SCAN_ERSULTS_LAST])
(struct brcmf_cfg80211_priv *cfg_priv);
};
/* dongle iscan controller */
struct brcmf_cfg80211_iscan_ctrl {
struct net_device *ndev;
struct timer_list timer;
u32 timer_ms;
u32 timer_on;
s32 state;
struct work_struct work;
struct brcmf_cfg80211_iscan_eloop el;
void *data;
s8 dcmd_buf[BRCMF_DCMD_SMLEN];
s8 scan_buf[WL_ISCAN_BUF_MAX];
};
/* association inform */
struct brcmf_cfg80211_connect_info {
u8 *req_ie;
s32 req_ie_len;
u8 *resp_ie;
s32 resp_ie_len;
};
/* assoc ie length */
struct brcmf_cfg80211_assoc_ielen_le {
__le32 req_len;
__le32 resp_len;
};
/* wpa2 pmk list */
struct brcmf_cfg80211_pmk_list {
struct pmkid_list pmkids;
struct pmkid foo[MAXPMKID - 1];
};
/* dongle private data of cfg80211 interface */
struct brcmf_cfg80211_priv {
struct wireless_dev *wdev; /* representing wl cfg80211 device */
struct brcmf_cfg80211_conf *conf; /* dongle configuration */
struct cfg80211_scan_request *scan_request; /* scan request
object */
struct brcmf_cfg80211_event_loop el; /* main event loop */
struct list_head evt_q_list; /* used for event queue */
spinlock_t evt_q_lock; /* for event queue synchronization */
struct mutex usr_sync; /* maily for dongle up/down synchronization */
struct brcmf_scan_results *bss_list; /* bss_list holding scanned
ap information */
struct brcmf_scan_results *scan_results;
struct brcmf_cfg80211_scan_req *scan_req_int; /* scan request object
for internal purpose */
struct wl_cfg80211_bss_info *bss_info; /* bss information for
cfg80211 layer */
struct brcmf_cfg80211_ie ie; /* information element object for
internal purpose */
struct brcmf_cfg80211_profile *profile; /* holding dongle profile */
struct brcmf_cfg80211_iscan_ctrl *iscan; /* iscan controller */
struct brcmf_cfg80211_connect_info conn_info; /* association info */
struct brcmf_cfg80211_pmk_list *pmk_list; /* wpa2 pmk list */
struct work_struct event_work; /* event handler work struct */
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 *dcmd_buf; /* dcmd buffer */
u8 *extra_buf; /* maily to grab assoc information */
struct dentry *debugfsdir;
u8 ci[0] __aligned(NETDEV_ALIGN);
};
static inline struct wiphy *cfg_to_wiphy(struct brcmf_cfg80211_priv *w)
{
return w->wdev->wiphy;
}
static inline struct brcmf_cfg80211_priv *wiphy_to_cfg(struct wiphy *w)
{
return (struct brcmf_cfg80211_priv *)(wiphy_priv(w));
}
static inline struct brcmf_cfg80211_priv *wdev_to_cfg(struct wireless_dev *wd)
{
return (struct brcmf_cfg80211_priv *)(wdev_priv(wd));
}
static inline struct net_device *cfg_to_ndev(struct brcmf_cfg80211_priv *cfg)
{
return cfg->wdev->netdev;
}
static inline struct brcmf_cfg80211_priv *ndev_to_cfg(struct net_device *ndev)
{
return wdev_to_cfg(ndev->ieee80211_ptr);
}
#define iscan_to_cfg(i) ((struct brcmf_cfg80211_priv *)(i->data))
#define cfg_to_iscan(w) (w->iscan)
static inline struct
brcmf_cfg80211_connect_info *cfg_to_conn(struct brcmf_cfg80211_priv *cfg)
{
return &cfg->conn_info;
}
static inline struct brcmf_bss_info *next_bss(struct brcmf_scan_results *list,
struct brcmf_bss_info *bss)
{
return bss = bss ?
(struct brcmf_bss_info *)((unsigned long)bss +
le32_to_cpu(bss->length)) :
list->bss_info;
}
extern struct brcmf_cfg80211_dev *brcmf_cfg80211_attach(struct net_device *ndev,
struct device *busdev,
void *data);
extern void brcmf_cfg80211_detach(struct brcmf_cfg80211_dev *cfg);
/* event handler from dongle */
extern void brcmf_cfg80211_event(struct net_device *ndev,
const struct brcmf_event_msg *e, void *data);
extern s32 brcmf_cfg80211_up(struct brcmf_cfg80211_dev *cfg_dev);
extern s32 brcmf_cfg80211_down(struct brcmf_cfg80211_dev *cfg_dev);
#endif /* _wl_cfg80211_h_ */
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