diff options
Diffstat (limited to 'drivers/net/wireless/bcmdhd/wl_cfg80211.h')
-rw-r--r-- | drivers/net/wireless/bcmdhd/wl_cfg80211.h | 558 |
1 files changed, 558 insertions, 0 deletions
diff --git a/drivers/net/wireless/bcmdhd/wl_cfg80211.h b/drivers/net/wireless/bcmdhd/wl_cfg80211.h new file mode 100644 index 000000000000..262335ef99c2 --- /dev/null +++ b/drivers/net/wireless/bcmdhd/wl_cfg80211.h @@ -0,0 +1,558 @@ +/* + * Linux cfg80211 driver + * + * Copyright (C) 1999-2011, 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,v 1.1.4.1.2.8 2011/02/09 01:37:52 Exp $ + */ + +#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) +#define WL_INFO(args) \ +do { \ + if (wl_dbg_level & WL_DBG_INFO) { \ + printk(KERN_ERR "CFG80211-INFO) %s : ", __func__); \ + printk args; \ + } \ +} while (0) +#define WL_SCAN(args) \ +do { \ + if (wl_dbg_level & WL_DBG_SCAN) { \ + printk(KERN_ERR "CFG80211-SCAN) %s :", __func__); \ + printk args; \ + } \ +} while (0) +#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 /* used for ibss scan */ +#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_SCAN_IE_LEN_MAX 2048 +#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 +#define WL_DWELL_TIME 200 +#define WL_LONG_DWELL_TIME 1000 +#define VWDEV_CNT 3 + +#define WL_SCAN_TIMER_INTERVAL_MS 8000 /* Scan timeout */ + +/* dongle 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 +}; + +/* 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 +}; + +/* 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)); + +/* dongle configuration */ +struct wl_conf { + struct net_mode { + struct net_device *ndev; + s32 type; + } mode [VWDEV_CNT + 1]; /* adhoc , infrastructure or ap */ + 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; +}; + +/* 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; +}; + +typedef s32(*ISCAN_HANDLER) (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; + 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 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; + uint32 timer_ms; + uint32 timer_on; + uint32 ts_dhcp_start; /* ms ts ecord time stats */ + uint32 ts_dhcp_ok; /* ms ts ecord time stats */ + bool dhcp_done; /* flag, indicates that host done with + * dhcp before t1/t2 expiration + */ + int 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; +}; +/* dongle private data of cfg80211 interface */ +struct wl_priv { + struct wireless_dev *wdev; /* representing wl cfg80211 device */ + struct wireless_dev *vwdev[VWDEV_CNT]; + struct wl_conf *conf; /* dongle configuration */ + 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 */ + spinlock_t eq_lock; /* for event queue synchronization */ + struct mutex usr_sync; /* maily for dongle 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; + + /* bss information for cfg80211 layer */ + struct wl_cfg80211_bss_info *bss_info; + /* information element object for internal purpose */ + struct wl_ie ie; + + /* for synchronization of main event thread */ + struct wl_profile *profile; /* holding dongle profile */ + struct wl_iscan_ctrl *iscan; /* iscan controller */ + + /* association information container */ + struct wl_connect_info conn_info; + + /* control firwmare and nvram paramter downloading */ + struct wl_fw_ctrl *fw; + struct wl_pmk_list *pmk_list; /* wpa2 pmk list */ + tsk_ctl_t 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 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 dongle to support power save mode */ + bool pwr_save; + 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 *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 cache_cookie; + wait_queue_head_t dongle_event_wait; + 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 */ +}; + +#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(wl, stat) (test_bit(WL_STATUS_ ## stat, &(wl)->status)) +#define wl_set_drv_status(wl, stat) (set_bit(WL_STATUS_ ## stat, &(wl)->status)) +#define wl_clr_drv_status(wl, stat) (clear_bit(WL_STATUS_ ## stat, &(wl)->status)) +#define wl_chg_drv_status(wl, stat) (change_bit(WL_STATUS_ ## stat, &(wl)->status)) + +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 alloc_idx_vwdev(struct wl_priv *wl) +{ + s32 i = 0; + for (i = 0; i < VWDEV_CNT; i++) { + if (wl->vwdev[i] == NULL) + return i; + } + return -1; +} + +static inline s32 get_idx_vwdev_by_netdev(struct wl_priv *wl, struct net_device *ndev) +{ + s32 i = 0; + for (i = 0; i < VWDEV_CNT; i++) { + if ((wl->vwdev[i] != NULL) && (wl->vwdev[i]->netdev == ndev)) + return i; + } + return -1; +} + +static inline s32 get_mode_by_netdev(struct wl_priv *wl, struct net_device *ndev) +{ + s32 i = 0; + for (i = 0; i <= VWDEV_CNT; i++) { + if (wl->conf->mode[i].ndev != NULL && (wl->conf->mode[i].ndev == ndev)) + return wl->conf->mode[i].type; + } + return -1; +} +static inline void set_mode_by_netdev(struct wl_priv *wl, struct net_device *ndev, s32 type) +{ + s32 i = 0; + for (i = 0; i <= VWDEV_CNT; i++) { + if (type == -1) { + /* free the info of netdev */ + if (wl->conf->mode[i].ndev == ndev) { + wl->conf->mode[i].ndev = NULL; + wl->conf->mode[i].type = -1; + break; + } + + } else { + if ((wl->conf->mode[i].ndev != NULL)&& + (wl->conf->mode[i].ndev == ndev)) { + /* update type of ndev */ + wl->conf->mode[i].type = type; + break; + } + else if ((wl->conf->mode[i].ndev == NULL)&& + (wl->conf->mode[i].type == -1)) { + wl->conf->mode[i].ndev = ndev; + wl->conf->mode[i].type = type; + break; + } + } + } +} +#define free_vwdev_by_index(wl, __i) do { \ + if (wl->vwdev[__i] != NULL) \ + kfree(wl->vwdev[__i]); \ + wl->vwdev[__i] = NULL; \ + } while (0) + +#define for_each_bss(list, bss, __i) \ + for (__i = 0; __i < list->count && __i < WL_AP_MAX; __i++, bss = next_bss(list, bss)) + +/* 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) \ + ((_sme->crypto.wpa_versions & NL80211_WPA_VERSION_1) && \ + (!_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); +/* 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_set_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 s32 wl_cfg80211_notify_ifadd(struct net_device *net, s32 idx, s32 bssidx, +int (*_net_attach)(dhd_pub_t *dhdp, int ifidx)); +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 void *wl_cfg80211_request_fw(s8 *file_name); +extern s32 wl_cfg80211_read_fw(s8 *buf, u32 size); +extern void wl_cfg80211_release_fw(void); +extern s8 *wl_cfg80211_get_fwname(void); +extern s8 *wl_cfg80211_get_nvramname(void); +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); + +/* 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_ */ |