/* * 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 307885 2012-01-12 23:30:48Z $ */ #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 *net, 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); /* do scan abort */ extern s32 wl_cfg80211_scan_abort(struct wl_priv *wl, struct net_device *ndev); extern s32 wl_cfg80211_if_is_group_owner(void); #endif /* _wl_cfg80211_h_ */