M7350/kernel/drivers/net/wireless/bcmdhd/wl_cfg80211.h
2024-09-09 08:52:07 +00:00

659 lines
17 KiB
C

/*
* Linux cfg80211 driver
*
* Copyright (C) 1999-2012, 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 316895 2012-02-24 00:05:41Z $
*/
#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>
#include <linux/rfkill.h>
#include <wl_cfgp2p.h>
struct wl_conf;
struct wl_iface;
struct wl_priv;
struct wl_security;
struct wl_ibss;
#define htod32(i) i
#define htod16(i) i
#define dtoh32(i) i
#define dtoh16(i) i
#define htodchanspec(i) i
#define dtohchanspec(i) i
#define WL_DBG_NONE 0
#define WL_DBG_TRACE (1 << 4)
#define WL_DBG_SCAN (1 << 3)
#define WL_DBG_DBG (1 << 2)
#define WL_DBG_INFO (1 << 1)
#define WL_DBG_ERR (1 << 0)
/* 0 invalidates all debug messages. default is 1 */
#define WL_DBG_LEVEL 0xFF
#define WL_ERR(args) \
do { \
if (wl_dbg_level & WL_DBG_ERR) { \
printk(KERN_ERR "CFG80211-ERROR) %s : ", __func__); \
printk args; \
} \
} while (0)
#ifdef WL_INFO
#undef WL_INFO
#endif
#define WL_INFO(args) \
do { \
if (wl_dbg_level & WL_DBG_INFO) { \
printk(KERN_ERR "CFG80211-INFO) %s : ", __func__); \
printk args; \
} \
} while (0)
#ifdef WL_SCAN
#undef WL_SCAN
#endif
#define WL_SCAN(args) \
do { \
if (wl_dbg_level & WL_DBG_SCAN) { \
printk(KERN_ERR "CFG80211-SCAN) %s :", __func__); \
printk args; \
} \
} while (0)
#ifdef WL_TRACE
#undef WL_TRACE
#endif
#define WL_TRACE(args) \
do { \
if (wl_dbg_level & WL_DBG_TRACE) { \
printk(KERN_ERR "CFG80211-TRACE) %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 "CFG80211-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
#define WL_NUM_PMKIDS_MAX MAXPMKID
#define WL_SCAN_BUF_MAX (1024 * 8)
#define WL_TLV_INFO_MAX 1024
#define WL_SCAN_IE_LEN_MAX 2048
#define WL_BSS_INFO_MAX 2048
#define WL_ASSOC_INFO_MAX 512
#define WL_IOCTL_LEN_MAX 1024
#define WL_EXTRA_BUF_MAX 2048
#define WL_ISCAN_BUF_MAX 2048
#define WL_ISCAN_TIMER_INTERVAL_MS 3000
#define WL_SCAN_ERSULTS_LAST (WL_SCAN_RESULTS_NO_MEM+1)
#define WL_AP_MAX 256
#define WL_FILE_NAME_MAX 256
#define WL_DWELL_TIME 200
#define WL_MED_DWELL_TIME 400
#define WL_LONG_DWELL_TIME 1000
#define IFACE_MAX_CNT 2
#define WL_SCAN_TIMER_INTERVAL_MS 8000 /* Scan timeout */
#define WL_CHANNEL_SYNC_RETRY 5
#define WL_INVALID -1
/* driver status */
enum wl_status {
WL_STATUS_READY = 0,
WL_STATUS_SCANNING,
WL_STATUS_SCAN_ABORTING,
WL_STATUS_CONNECTING,
WL_STATUS_CONNECTED,
WL_STATUS_DISCONNECTING,
WL_STATUS_AP_CREATING,
WL_STATUS_AP_CREATED,
WL_STATUS_SENDING_ACT_FRM
};
/* wi-fi mode */
enum wl_mode {
WL_MODE_BSS,
WL_MODE_IBSS,
WL_MODE_AP
};
/* driver 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
};
/* driver iscan state */
enum wl_iscan_state {
WL_ISCAN_STATE_IDLE,
WL_ISCAN_STATE_SCANING
};
/* donlge escan state */
enum wl_escan_state {
WL_ESCAN_STATE_IDLE,
WL_ESCAN_STATE_SCANING
};
/* fw downloading status */
enum wl_fw_status {
WL_FW_LOADING_DONE,
WL_NVRAM_LOADING_DONE
};
enum wl_management_type {
WL_BEACON = 0x1,
WL_PROBE_RESP = 0x2,
WL_ASSOC_RESP = 0x4
};
/* beacon / probe_response */
struct beacon_proberesp {
__le64 timestamp;
__le16 beacon_int;
__le16 capab_info;
u8 variable[0];
} __attribute__ ((packed));
/* driver configuration */
struct wl_conf {
u32 frag_threshold;
u32 rts_threshold;
u32 retry_short;
u32 retry_long;
s32 tx_power;
struct ieee80211_channel channel;
};
typedef s32(*EVENT_HANDLER) (struct wl_priv *wl,
struct net_device *ndev, const wl_event_msg_t *e, void *data);
/* 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;
};
/* wl driver profile */
struct wl_profile {
u32 mode;
s32 band;
struct wlc_ssid ssid;
struct wl_security sec;
struct wl_ibss ibss;
u8 bssid[ETHER_ADDR_LEN];
u16 beacon_interval;
u8 dtim_period;
bool active;
};
struct net_info {
struct net_device *ndev;
struct wireless_dev *wdev;
struct wl_profile profile;
s32 mode;
unsigned long sme_state;
struct list_head list; /* list of all net_info structure */
};
typedef s32(*ISCAN_HANDLER) (struct wl_priv *wl);
/* 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;
ISCAN_HANDLER iscan_handler[WL_SCAN_ERSULTS_LAST];
void *data;
s8 ioctl_buf[WLC_IOCTL_SMLEN];
s8 scan_buf[WL_ISCAN_BUF_MAX];
};
/* association inform */
#define MAX_REQ_LINE 1024
struct wl_connect_info {
u8 req_ie[MAX_REQ_LINE];
s32 req_ie_len;
u8 resp_ie[MAX_REQ_LINE];
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];
};
#define ESCAN_BUF_SIZE (64 * 1024)
struct escan_info {
u32 escan_state;
u8 escan_buf[ESCAN_BUF_SIZE];
struct wiphy *wiphy;
struct net_device *ndev;
};
struct ap_info {
/* Structure to hold WPS, WPA IEs for a AP */
u8 probe_res_ie[IE_MAX_LEN];
u8 beacon_ie[IE_MAX_LEN];
u32 probe_res_ie_len;
u32 beacon_ie_len;
u8 *wpa_ie;
u8 *rsn_ie;
u8 *wps_ie;
bool security_mode;
};
struct btcoex_info {
struct timer_list timer;
u32 timer_ms;
u32 timer_on;
u32 ts_dhcp_start; /* ms ts ecord time stats */
u32 ts_dhcp_ok; /* ms ts ecord time stats */
bool dhcp_done; /* flag, indicates that host done with
* dhcp before t1/t2 expiration
*/
s32 bt_state;
struct work_struct work;
struct net_device *dev;
};
struct sta_info {
/* Structure to hold WPS IE for a STA */
u8 probe_req_ie[IE_MAX_LEN];
u8 assoc_req_ie[IE_MAX_LEN];
u32 probe_req_ie_len;
u32 assoc_req_ie_len;
};
struct afx_hdl {
wl_af_params_t *pending_tx_act_frm;
struct ether_addr pending_tx_dst_addr;
struct net_device *dev;
struct work_struct work;
u32 bssidx;
u32 retry;
s32 peer_chan;
bool ack_recv;
};
/* private data of cfg80211 interface */
struct wl_priv {
struct wireless_dev *wdev; /* representing wl cfg80211 device */
struct wireless_dev *p2p_wdev; /* representing wl cfg80211 device for P2P */
struct net_device *p2p_net; /* reference to p2p0 interface */
struct wl_conf *conf;
struct cfg80211_scan_request *scan_request; /* scan request object */
EVENT_HANDLER evt_handler[WLC_E_LAST];
struct list_head eq_list; /* used for event queue */
struct list_head net_list; /* used for struct net_info */
spinlock_t eq_lock; /* for event queue synchronization */
spinlock_t cfgdrv_lock; /* to protect scan status (and others if needed) */
struct completion act_frm_scan;
struct mutex usr_sync; /* maily for up/down synchronization */
struct wl_scan_results *bss_list;
struct wl_scan_results *scan_results;
/* scan request object for internal purpose */
struct wl_scan_req *scan_req_int;
/* information element object for internal purpose */
struct wl_ie ie;
struct wl_iscan_ctrl *iscan; /* iscan controller */
/* association information container */
struct wl_connect_info conn_info;
struct wl_pmk_list *pmk_list; /* wpa2 pmk list */
tsk_ctl_t event_tsk; /* task of main event handler thread */
void *pub;
u32 iface_cnt;
u32 channel; /* current channel */
bool iscan_on; /* iscan on/off switch */
bool iscan_kickstart; /* indicate iscan already started */
bool escan_on; /* escan on/off switch */
struct escan_info escan_info; /* escan information */
bool active_scan; /* current scan mode */
bool ibss_starter; /* indicates this sta is ibss starter */
bool link_up; /* link/connection up flag */
/* indicate whether chip to support power save mode */
bool pwr_save;
bool roam_on; /* on/off switch for self-roaming */
bool scan_tried; /* indicates if first scan attempted */
u8 *ioctl_buf; /* ioctl buffer */
struct mutex ioctl_buf_sync;
u8 *escan_ioctl_buf;
u8 *extra_buf; /* maily to grab assoc information */
struct dentry *debugfsdir;
struct rfkill *rfkill;
bool rf_blocked;
struct ieee80211_channel remain_on_chan;
enum nl80211_channel_type remain_on_chan_type;
u64 send_action_id;
u64 last_roc_id;
wait_queue_head_t netif_change_event;
struct afx_hdl *afx_hdl;
struct ap_info *ap_info;
struct sta_info *sta_info;
struct p2p_info *p2p;
bool p2p_supported;
struct btcoex_info *btcoex_info;
struct timer_list scan_timeout; /* Timer for catch scan event timeout */
};
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;
}
static inline s32
wl_alloc_netinfo(struct wl_priv *wl, struct net_device *ndev,
struct wireless_dev * wdev, s32 mode)
{
struct net_info *_net_info;
s32 err = 0;
if (wl->iface_cnt == IFACE_MAX_CNT)
return -ENOMEM;
_net_info = kzalloc(sizeof(struct net_info), GFP_KERNEL);
if (!_net_info)
err = -ENOMEM;
else {
_net_info->mode = mode;
_net_info->ndev = ndev;
_net_info->wdev = wdev;
wl->iface_cnt++;
list_add(&_net_info->list, &wl->net_list);
}
return err;
}
static inline void
wl_dealloc_netinfo(struct wl_priv *wl, struct net_device *ndev)
{
struct net_info *_net_info, *next;
list_for_each_entry_safe(_net_info, next, &wl->net_list, list) {
if (ndev && (_net_info->ndev == ndev)) {
list_del(&_net_info->list);
wl->iface_cnt--;
if (_net_info->wdev) {
kfree(_net_info->wdev);
ndev->ieee80211_ptr = NULL;
}
kfree(_net_info);
}
}
}
static inline void
wl_delete_all_netinfo(struct wl_priv *wl)
{
struct net_info *_net_info, *next;
list_for_each_entry_safe(_net_info, next, &wl->net_list, list) {
list_del(&_net_info->list);
if (_net_info->wdev)
kfree(_net_info->wdev);
kfree(_net_info);
}
wl->iface_cnt = 0;
}
static inline bool
wl_get_status_all(struct wl_priv *wl, s32 status)
{
struct net_info *_net_info, *next;
u32 cnt = 0;
list_for_each_entry_safe(_net_info, next, &wl->net_list, list) {
if (_net_info->ndev &&
test_bit(status, &_net_info->sme_state))
cnt++;
}
return cnt? true: false;
}
static inline void
wl_set_status_by_netdev(struct wl_priv *wl, s32 status,
struct net_device *ndev, u32 op)
{
struct net_info *_net_info, *next;
list_for_each_entry_safe(_net_info, next, &wl->net_list, list) {
if (ndev && (_net_info->ndev == ndev)) {
switch (op) {
case 1:
set_bit(status, &_net_info->sme_state);
break;
case 2:
clear_bit(status, &_net_info->sme_state);
break;
case 4:
change_bit(status, &_net_info->sme_state);
break;
}
}
}
}
static inline u32
wl_get_status_by_netdev(struct wl_priv *wl, s32 status,
struct net_device *ndev)
{
struct net_info *_net_info, *next;
list_for_each_entry_safe(_net_info, next, &wl->net_list, list) {
if (ndev && (_net_info->ndev == ndev))
return test_bit(status, &_net_info->sme_state);
}
return 0;
}
static inline s32
wl_get_mode_by_netdev(struct wl_priv *wl, struct net_device *ndev)
{
struct net_info *_net_info, *next;
list_for_each_entry_safe(_net_info, next, &wl->net_list, list) {
if (ndev && (_net_info->ndev == ndev))
return _net_info->mode;
}
return -1;
}
static inline void
wl_set_mode_by_netdev(struct wl_priv *wl, struct net_device *ndev,
s32 mode)
{
struct net_info *_net_info, *next;
list_for_each_entry_safe(_net_info, next, &wl->net_list, list) {
if (ndev && (_net_info->ndev == ndev))
_net_info->mode = mode;
}
}
static inline struct wl_profile *
wl_get_profile_by_netdev(struct wl_priv *wl, struct net_device *ndev)
{
struct net_info *_net_info, *next;
list_for_each_entry_safe(_net_info, next, &wl->net_list, list) {
if (ndev && (_net_info->ndev == ndev))
return &_net_info->profile;
}
return NULL;
}
#define wl_to_wiphy(w) (w->wdev->wiphy)
#define wl_to_prmry_ndev(w) (w->wdev->netdev)
#define ndev_to_wl(n) (wdev_to_wl(n->ieee80211_ptr))
#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)
#define wiphy_from_scan(w) (w->escan_info.wiphy)
#define wl_get_drv_status_all(wl, stat) \
(wl_get_status_all(wl, WL_STATUS_ ## stat))
#define wl_get_drv_status(wl, stat, ndev) \
(wl_get_status_by_netdev(wl, WL_STATUS_ ## stat, ndev))
#define wl_set_drv_status(wl, stat, ndev) \
(wl_set_status_by_netdev(wl, WL_STATUS_ ## stat, ndev, 1))
#define wl_clr_drv_status(wl, stat, ndev) \
(wl_set_status_by_netdev(wl, WL_STATUS_ ## stat, ndev, 2))
#define wl_chg_drv_status(wl, stat, ndev) \
(wl_set_status_by_netdev(wl, WL_STATUS_ ## stat, ndev, 4))
#define for_each_bss(list, bss, __i) \
for (__i = 0; __i < list->count && __i < WL_AP_MAX; __i++, bss = next_bss(list, bss))
#define for_each_ndev(wl, iter, next) \
list_for_each_entry_safe(iter, next, &wl->net_list, list)
/* In case of WPS from wpa_supplicant, pairwise siute and group suite is 0.
* In addtion to that, wpa_version is WPA_VERSION_1
*/
#define is_wps_conn(_sme) \
((wl_cfgp2p_find_wpsie((u8 *)_sme->ie, _sme->ie_len) != NULL) && \
(!_sme->crypto.n_ciphers_pairwise) && \
(!_sme->crypto.cipher_group))
extern s32 wl_cfg80211_attach(struct net_device *ndev, void *data);
extern s32 wl_cfg80211_attach_post(struct net_device *ndev);
extern void wl_cfg80211_detach(void *para);
extern void wl_cfg80211_event(struct net_device *ndev, const wl_event_msg_t *e,
void *data);
void wl_cfg80211_set_parent_dev(void *dev);
struct device *wl_cfg80211_get_parent_dev(void);
extern s32 wl_cfg80211_up(void *para);
extern s32 wl_cfg80211_down(void *para);
extern s32 wl_cfg80211_notify_ifadd(struct net_device *ndev, s32 idx, s32 bssidx,
void* _net_attach);
extern s32 wl_cfg80211_ifdel_ops(struct net_device *net);
extern s32 wl_cfg80211_notify_ifdel(struct net_device *ndev);
extern s32 wl_cfg80211_is_progress_ifadd(void);
extern s32 wl_cfg80211_is_progress_ifchange(void);
extern s32 wl_cfg80211_is_progress_ifadd(void);
extern s32 wl_cfg80211_notify_ifchange(void);
extern void wl_cfg80211_dbg_level(u32 level);
extern s32 wl_cfg80211_get_p2p_dev_addr(struct net_device *net, struct ether_addr *p2pdev_addr);
extern s32 wl_cfg80211_set_p2p_noa(struct net_device *net, char* buf, int len);
extern s32 wl_cfg80211_get_p2p_noa(struct net_device *net, char* buf, int len);
extern s32 wl_cfg80211_set_wps_p2p_ie(struct net_device *net, char *buf, int len,
enum wl_management_type type);
extern s32 wl_cfg80211_set_p2p_ps(struct net_device *net, char* buf, int len);
extern int wl_cfg80211_hang(struct net_device *dev, u16 reason);
extern s32 wl_mode_to_nl80211_iftype(s32 mode);
int wl_cfg80211_do_driver_init(struct net_device *net);
void wl_cfg80211_enable_trace(int level);
extern s32 wl_cfg80211_if_is_group_owner(void);
extern chanspec_t wl_ch_host_to_driver(u16 channel);
#endif /* _wl_cfg80211_h_ */