[deliverable/linux.git] / drivers / net / wireless / broadcom / brcm80211 / brcmfmac / cfg80211.h

/*
 * 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 BRCMFMAC_CFG80211_H
#define BRCMFMAC_CFG80211_H

/* for brcmu_d11inf */
#include <brcmu_d11.h>

#define WL_NUM_SCAN_MAX			10
#define WL_NUM_PMKIDS_MAX		MAXPMKID
#define WL_TLV_INFO_MAX			1024
#define WL_BSS_INFO_MAX			2048
#define WL_ASSOC_INFO_MAX		512	/* assoc related fil max buf */
#define WL_EXTRA_BUF_MAX		2048
#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

#define WL_ESCAN_BUF_SIZE		(1024 * 64)
#define WL_ESCAN_TIMER_INTERVAL_MS	10000 /* E-Scan timeout */

#define WL_ESCAN_ACTION_START		1
#define WL_ESCAN_ACTION_CONTINUE	2
#define WL_ESCAN_ACTION_ABORT		3

#define WL_AUTH_SHARED_KEY		1	/* d11 shared authentication */
#define IE_MAX_LEN			512

/* IE TLV processing */
#define TLV_LEN_OFF			1	/* length offset */
#define TLV_HDR_LEN			2	/* header length */
#define TLV_BODY_OFF			2	/* body offset */
#define TLV_OUI_LEN			3	/* oui id length */

/* 802.11 Mgmt Packet flags */
#define BRCMF_VNDR_IE_BEACON_FLAG	0x1
#define BRCMF_VNDR_IE_PRBRSP_FLAG	0x2
#define BRCMF_VNDR_IE_ASSOCRSP_FLAG	0x4
#define BRCMF_VNDR_IE_AUTHRSP_FLAG	0x8
#define BRCMF_VNDR_IE_PRBREQ_FLAG	0x10
#define BRCMF_VNDR_IE_ASSOCREQ_FLAG	0x20
/* vendor IE in IW advertisement protocol ID field */
#define BRCMF_VNDR_IE_IWAPID_FLAG	0x40
/* allow custom IE id */
#define BRCMF_VNDR_IE_CUSTOM_FLAG	0x100

/* P2P Action Frames flags (spec ordered) */
#define BRCMF_VNDR_IE_GONREQ_FLAG     0x001000
#define BRCMF_VNDR_IE_GONRSP_FLAG     0x002000
#define BRCMF_VNDR_IE_GONCFM_FLAG     0x004000
#define BRCMF_VNDR_IE_INVREQ_FLAG     0x008000
#define BRCMF_VNDR_IE_INVRSP_FLAG     0x010000
#define BRCMF_VNDR_IE_DISREQ_FLAG     0x020000
#define BRCMF_VNDR_IE_DISRSP_FLAG     0x040000
#define BRCMF_VNDR_IE_PRDREQ_FLAG     0x080000
#define BRCMF_VNDR_IE_PRDRSP_FLAG     0x100000

#define BRCMF_VNDR_IE_P2PAF_SHIFT	12

#define BRCMF_MAX_DEFAULT_KEYS		4


/**
 * enum brcmf_scan_status - scan engine status
 *
 * @BRCMF_SCAN_STATUS_BUSY: scanning in progress on dongle.
 * @BRCMF_SCAN_STATUS_ABORT: scan being aborted on dongle.
 * @BRCMF_SCAN_STATUS_SUPPRESS: scanning is suppressed in driver.
 */
enum brcmf_scan_status {
	BRCMF_SCAN_STATUS_BUSY,
	BRCMF_SCAN_STATUS_ABORT,
	BRCMF_SCAN_STATUS_SUPPRESS,
};

/* dongle configuration */
struct brcmf_cfg80211_conf {
	u32 frag_threshold;
	u32 rts_threshold;
	u32 retry_short;
	u32 retry_long;
	s32 tx_power;
	struct ieee80211_channel channel;
};

/* 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];
};

/* 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;
};

/**
 * struct brcmf_cfg80211_profile - profile information.
 *
 * @bssid: bssid of joined/joining ibss.
 * @sec: security information.
 * @key: key information
 */
struct brcmf_cfg80211_profile {
	u8 bssid[ETH_ALEN];
	struct brcmf_cfg80211_security sec;
	struct brcmf_wsec_key key[BRCMF_MAX_DEFAULT_KEYS];
};

/**
 * enum brcmf_vif_status - bit indices for vif status.
 *
 * @BRCMF_VIF_STATUS_READY: ready for operation.
 * @BRCMF_VIF_STATUS_CONNECTING: connect/join in progress.
 * @BRCMF_VIF_STATUS_CONNECTED: connected/joined succesfully.
 * @BRCMF_VIF_STATUS_DISCONNECTING: disconnect/disable in progress.
 * @BRCMF_VIF_STATUS_AP_CREATED: AP operation started.
 */
enum brcmf_vif_status {
	BRCMF_VIF_STATUS_READY,
	BRCMF_VIF_STATUS_CONNECTING,
	BRCMF_VIF_STATUS_CONNECTED,
	BRCMF_VIF_STATUS_DISCONNECTING,
	BRCMF_VIF_STATUS_AP_CREATED
};

/**
 * struct vif_saved_ie - holds saved IEs for a virtual interface.
 *
 * @probe_req_ie: IE info for probe request.
 * @probe_res_ie: IE info for probe response.
 * @beacon_ie: IE info for beacon frame.
 * @probe_req_ie_len: IE info length for probe request.
 * @probe_res_ie_len: IE info length for probe response.
 * @beacon_ie_len: IE info length for beacon frame.
 */
struct vif_saved_ie {
	u8  probe_req_ie[IE_MAX_LEN];
	u8  probe_res_ie[IE_MAX_LEN];
	u8  beacon_ie[IE_MAX_LEN];
	u8  assoc_req_ie[IE_MAX_LEN];
	u32 probe_req_ie_len;
	u32 probe_res_ie_len;
	u32 beacon_ie_len;
	u32 assoc_req_ie_len;
};

/**
 * struct brcmf_cfg80211_vif - virtual interface specific information.
 *
 * @ifp: lower layer interface pointer
 * @wdev: wireless device.
 * @profile: profile information.
 * @roam_off: roaming state.
 * @sme_state: SME state using enum brcmf_vif_status bits.
 * @pm_block: power-management blocked.
 * @list: linked list.
 * @mgmt_rx_reg: registered rx mgmt frame types.
 * @mbss: Multiple BSS type, set if not first AP (not relevant for P2P).
 */
struct brcmf_cfg80211_vif {
	struct brcmf_if *ifp;
	struct wireless_dev wdev;
	struct brcmf_cfg80211_profile profile;
	s32 roam_off;
	unsigned long sme_state;
	bool pm_block;
	struct vif_saved_ie saved_ie;
	struct list_head list;
	u16 mgmt_rx_reg;
	bool mbss;
	int is_11d;
};

/* 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 escan state */
enum wl_escan_state {
	WL_ESCAN_STATE_IDLE,
	WL_ESCAN_STATE_SCANNING
};

struct escan_info {
	u32 escan_state;
	u8 escan_buf[WL_ESCAN_BUF_SIZE];
	struct wiphy *wiphy;
	struct brcmf_if *ifp;
	s32 (*run)(struct brcmf_cfg80211_info *cfg, struct brcmf_if *ifp,
		   struct cfg80211_scan_request *request, u16 action);
};

/**
 * struct brcmf_pno_param_le - PNO scan configuration parameters
 *
 * @version: PNO parameters version.
 * @scan_freq: scan frequency.
 * @lost_network_timeout: #sec. to declare discovered network as lost.
 * @flags: Bit field to control features of PFN such as sort criteria auto
 *	enable switch and background scan.
 * @rssi_margin: Margin to avoid jitter for choosing a PFN based on RSSI sort
 *	criteria.
 * @bestn: number of best networks in each scan.
 * @mscan: number of scans recorded.
 * @repeat: minimum number of scan intervals before scan frequency changes
 *	in adaptive scan.
 * @exp: exponent of 2 for maximum scan interval.
 * @slow_freq: slow scan period.
 */
struct brcmf_pno_param_le {
	__le32 version;
	__le32 scan_freq;
	__le32 lost_network_timeout;
	__le16 flags;
	__le16 rssi_margin;
	u8 bestn;
	u8 mscan;
	u8 repeat;
	u8 exp;
	__le32 slow_freq;
};

/**
 * struct brcmf_pno_net_param_le - scan parameters per preferred network.
 *
 * @ssid: ssid name and its length.
 * @flags: bit2: hidden.
 * @infra: BSS vs IBSS.
 * @auth: Open vs Closed.
 * @wpa_auth: WPA type.
 * @wsec: wsec value.
 */
struct brcmf_pno_net_param_le {
	struct brcmf_ssid_le ssid;
	__le32 flags;
	__le32 infra;
	__le32 auth;
	__le32 wpa_auth;
	__le32 wsec;
};

/**
 * struct brcmf_pno_net_info_le - information per found network.
 *
 * @bssid: BSS network identifier.
 * @channel: channel number only.
 * @SSID_len: length of ssid.
 * @SSID: ssid characters.
 * @RSSI: receive signal strength (in dBm).
 * @timestamp: age in seconds.
 */
struct brcmf_pno_net_info_le {
	u8 bssid[ETH_ALEN];
	u8 channel;
	u8 SSID_len;
	u8 SSID[32];
	__le16	RSSI;
	__le16	timestamp;
};

/**
 * struct brcmf_pno_scanresults_le - result returned in PNO NET FOUND event.
 *
 * @version: PNO version identifier.
 * @status: indicates completion status of PNO scan.
 * @count: amount of brcmf_pno_net_info_le entries appended.
 */
struct brcmf_pno_scanresults_le {
	__le32 version;
	__le32 status;
	__le32 count;
};

/**
 * struct brcmf_cfg80211_vif_event - virtual interface event information.
 *
 * @vif_wq: waitqueue awaiting interface event from firmware.
 * @vif_event_lock: protects other members in this structure.
 * @vif_complete: completion for net attach.
 * @action: either add, change, or delete.
 * @vif: virtual interface object related to the event.
 */
struct brcmf_cfg80211_vif_event {
	wait_queue_head_t vif_wq;
	struct mutex vif_event_lock;
	u8 action;
	struct brcmf_cfg80211_vif *vif;
};

/**
 * struct brcmf_cfg80211_info - dongle private data of cfg80211 interface
 *
 * @wiphy: wiphy object for cfg80211 interface.
 * @conf: dongle configuration.
 * @p2p: peer-to-peer specific information.
 * @btcoex: Bluetooth coexistence information.
 * @scan_request: cfg80211 scan request object.
 * @usr_sync: mainly for dongle up/down synchronization.
 * @bss_list: bss_list holding scanned ap information.
 * @scan_req_int: internal scan request object.
 * @bss_info: bss information for cfg80211 layer.
 * @ie: information element object for internal purpose.
 * @conn_info: association info.
 * @pmk_list: wpa2 pmk list.
 * @scan_status: scan activity on the dongle.
 * @pub: common driver information.
 * @channel: current channel.
 * @active_scan: current scan mode.
 * @sched_escan: e-scan for scheduled scan support running.
 * @ibss_starter: indicates this sta is ibss starter.
 * @pwr_save: indicate whether dongle to support power save mode.
 * @dongle_up: indicate whether dongle up or not.
 * @roam_on: on/off switch for dongle self-roaming.
 * @scan_tried: indicates if first scan attempted.
 * @dcmd_buf: dcmd buffer.
 * @extra_buf: mainly to grab assoc information.
 * @debugfsdir: debugfs folder for this device.
 * @escan_info: escan information.
 * @escan_timeout: Timer for catch scan timeout.
 * @escan_timeout_work: scan timeout worker.
 * @escan_ioctl_buf: dongle command buffer for escan commands.
 * @vif_list: linked list of vif instances.
 * @vif_cnt: number of vif instances.
 * @vif_event: vif event signalling.
 * @wowl_enabled; set during suspend, is wowl used.
 * @pre_wowl_pmmode: intermediate storage of pm mode during wowl.
 */
struct brcmf_cfg80211_info {
	struct wiphy *wiphy;
	struct brcmf_cfg80211_conf *conf;
	struct brcmf_p2p_info p2p;
	struct brcmf_btcoex_info *btcoex;
	struct cfg80211_scan_request *scan_request;
	struct mutex usr_sync;
	struct brcmf_cfg80211_scan_req scan_req_int;
	struct wl_cfg80211_bss_info *bss_info;
	struct brcmf_cfg80211_ie ie;
	struct brcmf_cfg80211_connect_info conn_info;
	struct brcmf_cfg80211_pmk_list *pmk_list;
	unsigned long scan_status;
	struct brcmf_pub *pub;
	u32 channel;
	bool active_scan;
	bool sched_escan;
	bool ibss_starter;
	bool pwr_save;
	bool dongle_up;
	bool scan_tried;
	u8 *dcmd_buf;
	u8 *extra_buf;
	struct dentry *debugfsdir;
	struct escan_info escan_info;
	struct timer_list escan_timeout;
	struct work_struct escan_timeout_work;
	u8 *escan_ioctl_buf;
	struct list_head vif_list;
	struct brcmf_cfg80211_vif_event vif_event;
	struct completion vif_disabled;
	struct brcmu_d11inf d11inf;
	bool wowl_enabled;
	u32 pre_wowl_pmmode;
	struct brcmf_assoclist_le assoclist;
};

/**
 * struct brcmf_tlv - tag_ID/length/value_buffer tuple.
 *
 * @id: tag identifier.
 * @len: number of bytes in value buffer.
 * @data: value buffer.
 */
struct brcmf_tlv {
	u8 id;
	u8 len;
	u8 data[1];
};

static inline struct wiphy *cfg_to_wiphy(struct brcmf_cfg80211_info *cfg)
{
	return cfg->wiphy;
}

static inline struct brcmf_cfg80211_info *wiphy_to_cfg(struct wiphy *w)
{
	return (struct brcmf_cfg80211_info *)(wiphy_priv(w));
}

static inline struct brcmf_cfg80211_info *wdev_to_cfg(struct wireless_dev *wd)
{
	return (struct brcmf_cfg80211_info *)(wdev_priv(wd));
}

static inline
struct net_device *cfg_to_ndev(struct brcmf_cfg80211_info *cfg)
{
	struct brcmf_cfg80211_vif *vif;
	vif = list_first_entry(&cfg->vif_list, struct brcmf_cfg80211_vif, list);
	return vif->wdev.netdev;
}

static inline struct brcmf_cfg80211_info *ndev_to_cfg(struct net_device *ndev)
{
	return wdev_to_cfg(ndev->ieee80211_ptr);
}

static inline struct brcmf_cfg80211_profile *ndev_to_prof(struct net_device *nd)
{
	struct brcmf_if *ifp = netdev_priv(nd);
	return &ifp->vif->profile;
}

static inline struct brcmf_cfg80211_vif *ndev_to_vif(struct net_device *ndev)
{
	struct brcmf_if *ifp = netdev_priv(ndev);
	return ifp->vif;
}

static inline struct
brcmf_cfg80211_connect_info *cfg_to_conn(struct brcmf_cfg80211_info *cfg)
{
	return &cfg->conn_info;
}

struct brcmf_cfg80211_info *brcmf_cfg80211_attach(struct brcmf_pub *drvr,
						  struct device *busdev,
						  bool p2pdev_forced);
void brcmf_cfg80211_detach(struct brcmf_cfg80211_info *cfg);
s32 brcmf_cfg80211_up(struct net_device *ndev);
s32 brcmf_cfg80211_down(struct net_device *ndev);
enum nl80211_iftype brcmf_cfg80211_get_iftype(struct brcmf_if *ifp);

struct brcmf_cfg80211_vif *brcmf_alloc_vif(struct brcmf_cfg80211_info *cfg,
					   enum nl80211_iftype type,
					   bool pm_block);
void brcmf_free_vif(struct brcmf_cfg80211_vif *vif);

s32 brcmf_vif_set_mgmt_ie(struct brcmf_cfg80211_vif *vif, s32 pktflag,
			  const u8 *vndr_ie_buf, u32 vndr_ie_len);
s32 brcmf_vif_clear_mgmt_ies(struct brcmf_cfg80211_vif *vif);
const struct brcmf_tlv *
brcmf_parse_tlvs(const void *buf, int buflen, uint key);
u16 channel_to_chanspec(struct brcmu_d11inf *d11inf,
			struct ieee80211_channel *ch);
bool brcmf_get_vif_state_any(struct brcmf_cfg80211_info *cfg,
			     unsigned long state);
void brcmf_cfg80211_arm_vif_event(struct brcmf_cfg80211_info *cfg,
				  struct brcmf_cfg80211_vif *vif);
bool brcmf_cfg80211_vif_event_armed(struct brcmf_cfg80211_info *cfg);
int brcmf_cfg80211_wait_vif_event_timeout(struct brcmf_cfg80211_info *cfg,
					  u8 action, ulong timeout);
s32 brcmf_notify_escan_complete(struct brcmf_cfg80211_info *cfg,
				struct brcmf_if *ifp, bool aborted,
				bool fw_abort);
void brcmf_set_mpc(struct brcmf_if *ndev, int mpc);
void brcmf_abort_scanning(struct brcmf_cfg80211_info *cfg);
void brcmf_cfg80211_free_netdev(struct net_device *ndev);

#endif /* BRCMFMAC_CFG80211_H */
Commit	Line	Data
5b435de0 AS	1	/*
	2	* Copyright (c) 2010 Broadcom Corporation
	3	*
	4	* Permission to use, copy, modify, and/or distribute this software for any
	5	* purpose with or without fee is hereby granted, provided that the above
	6	* copyright notice and this permission notice appear in all copies.
	7	*
	8	* THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
	9	* WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
	10	* MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY
	11	* SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
	12	* WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION
	13	* OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN
	14	* CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
	15	*/
	16
bfe81975 HM	17	#ifndef BRCMFMAC_CFG80211_H
bfe81975 HM	18	#define BRCMFMAC_CFG80211_H
5b435de0	19
83cf17aa FL	20	/* for brcmu_d11inf */
	21	#include <brcmu_d11.h>
	22
f0799895 HM	23	#define WL_NUM_SCAN_MAX 10
f0799895 HM	24	#define WL_NUM_PMKIDS_MAX MAXPMKID
5b435de0 AS	25	#define WL_TLV_INFO_MAX 1024
5b435de0 AS	26	#define WL_BSS_INFO_MAX 2048
f0799895 HM	27	#define WL_ASSOC_INFO_MAX 512 /* assoc related fil max buf */
f0799895 HM	28	#define WL_EXTRA_BUF_MAX 2048
5b435de0 AS	29	#define WL_ROAM_TRIGGER_LEVEL -75
	30	#define WL_ROAM_DELTA 20
	31	#define WL_BEACON_TIMEOUT 3
	32
	33	#define WL_SCAN_CHANNEL_TIME 40
	34	#define WL_SCAN_UNASSOC_TIME 40
	35	#define WL_SCAN_PASSIVE_TIME 120
	36
e756af5b	37	#define WL_ESCAN_BUF_SIZE (1024 * 64)
ef8596e1	38	#define WL_ESCAN_TIMER_INTERVAL_MS 10000 /* E-Scan timeout */
e756af5b HM	39
	40	#define WL_ESCAN_ACTION_START 1
	41	#define WL_ESCAN_ACTION_CONTINUE 2
	42	#define WL_ESCAN_ACTION_ABORT 3
	43
f09d0c02	44	#define WL_AUTH_SHARED_KEY 1 /* d11 shared authentication */
1a873342	45	#define IE_MAX_LEN 512
f09d0c02	46
9f440b7b AS	47	/* IE TLV processing */
	48	#define TLV_LEN_OFF 1 /* length offset */
	49	#define TLV_HDR_LEN 2 /* header length */
	50	#define TLV_BODY_OFF 2 /* body offset */
	51	#define TLV_OUI_LEN 3 /* oui id length */
	52
	53	/* 802.11 Mgmt Packet flags */
	54	#define BRCMF_VNDR_IE_BEACON_FLAG 0x1
	55	#define BRCMF_VNDR_IE_PRBRSP_FLAG 0x2
	56	#define BRCMF_VNDR_IE_ASSOCRSP_FLAG 0x4
	57	#define BRCMF_VNDR_IE_AUTHRSP_FLAG 0x8
	58	#define BRCMF_VNDR_IE_PRBREQ_FLAG 0x10
	59	#define BRCMF_VNDR_IE_ASSOCREQ_FLAG 0x20
	60	/* vendor IE in IW advertisement protocol ID field */
	61	#define BRCMF_VNDR_IE_IWAPID_FLAG 0x40
	62	/* allow custom IE id */
	63	#define BRCMF_VNDR_IE_CUSTOM_FLAG 0x100
	64
	65	/* P2P Action Frames flags (spec ordered) */
	66	#define BRCMF_VNDR_IE_GONREQ_FLAG 0x001000
	67	#define BRCMF_VNDR_IE_GONRSP_FLAG 0x002000
	68	#define BRCMF_VNDR_IE_GONCFM_FLAG 0x004000
	69	#define BRCMF_VNDR_IE_INVREQ_FLAG 0x008000
	70	#define BRCMF_VNDR_IE_INVRSP_FLAG 0x010000
	71	#define BRCMF_VNDR_IE_DISREQ_FLAG 0x020000
	72	#define BRCMF_VNDR_IE_DISRSP_FLAG 0x040000
	73	#define BRCMF_VNDR_IE_PRDREQ_FLAG 0x080000
	74	#define BRCMF_VNDR_IE_PRDRSP_FLAG 0x100000
	75
	76	#define BRCMF_VNDR_IE_P2PAF_SHIFT 12
	77
118eb304 HM	78	#define BRCMF_MAX_DEFAULT_KEYS 4
118eb304 HM	79
9f440b7b	80
c1179033	81	/**
1687eee2	82	* enum brcmf_scan_status - scan engine status
c1179033 AS	83	*
	84	* @BRCMF_SCAN_STATUS_BUSY: scanning in progress on dongle.
	85	* @BRCMF_SCAN_STATUS_ABORT: scan being aborted on dongle.
1687eee2	86	* @BRCMF_SCAN_STATUS_SUPPRESS: scanning is suppressed in driver.
c1179033 AS	87	*/
	88	enum brcmf_scan_status {
	89	BRCMF_SCAN_STATUS_BUSY,
	90	BRCMF_SCAN_STATUS_ABORT,
1687eee2	91	BRCMF_SCAN_STATUS_SUPPRESS,
5b435de0 AS	92	};
5b435de0 AS	93
5b435de0 AS	94	/* dongle configuration */
5b435de0 AS	95	struct brcmf_cfg80211_conf {
5b435de0 AS	96	u32 frag_threshold;
	97	u32 rts_threshold;
	98	u32 retry_short;
	99	u32 retry_long;
	100	s32 tx_power;
	101	struct ieee80211_channel channel;
	102	};
	103
5b435de0 AS	104	/* basic structure of scan request */
	105	struct brcmf_cfg80211_scan_req {
	106	struct brcmf_ssid_le ssid_le;
	107	};
	108
	109	/* basic structure of information element */
	110	struct brcmf_cfg80211_ie {
	111	u16 offset;
	112	u8 buf[WL_TLV_INFO_MAX];
	113	};
	114
5b435de0 AS	115	/* security information with currently associated ap */
	116	struct brcmf_cfg80211_security {
	117	u32 wpa_versions;
	118	u32 auth_type;
	119	u32 cipher_pairwise;
	120	u32 cipher_group;
	121	u32 wpa_auth;
	122	};
	123
3bc0a96c AS	124	/**
	125	* struct brcmf_cfg80211_profile - profile information.
	126	*
3bc0a96c AS	127	* @bssid: bssid of joined/joining ibss.
3bc0a96c AS	128	* @sec: security information.
118eb304	129	* @key: key information
3bc0a96c	130	*/
5b435de0	131	struct brcmf_cfg80211_profile {
5b435de0	132	u8 bssid[ETH_ALEN];
5b435de0	133	struct brcmf_cfg80211_security sec;
118eb304	134	struct brcmf_wsec_key key[BRCMF_MAX_DEFAULT_KEYS];
5b435de0 AS	135	};
5b435de0 AS	136
c1179033 AS	137	/**
	138	* enum brcmf_vif_status - bit indices for vif status.
	139	*
	140	* @BRCMF_VIF_STATUS_READY: ready for operation.
	141	* @BRCMF_VIF_STATUS_CONNECTING: connect/join in progress.
	142	* @BRCMF_VIF_STATUS_CONNECTED: connected/joined succesfully.
5f4f9f11	143	* @BRCMF_VIF_STATUS_DISCONNECTING: disconnect/disable in progress.
c1179033 AS	144	* @BRCMF_VIF_STATUS_AP_CREATED: AP operation started.
	145	*/
	146	enum brcmf_vif_status {
	147	BRCMF_VIF_STATUS_READY,
	148	BRCMF_VIF_STATUS_CONNECTING,
	149	BRCMF_VIF_STATUS_CONNECTED,
5f4f9f11	150	BRCMF_VIF_STATUS_DISCONNECTING,
c1179033 AS	151	BRCMF_VIF_STATUS_AP_CREATED
	152	};
	153
8ff5dc92 AS	154	/**
	155	* struct vif_saved_ie - holds saved IEs for a virtual interface.
	156	*
9f440b7b	157	* @probe_req_ie: IE info for probe request.
8ff5dc92 AS	158	* @probe_res_ie: IE info for probe response.
8ff5dc92 AS	159	* @beacon_ie: IE info for beacon frame.
9f440b7b	160	* @probe_req_ie_len: IE info length for probe request.
8ff5dc92 AS	161	* @probe_res_ie_len: IE info length for probe response.
	162	* @beacon_ie_len: IE info length for beacon frame.
	163	*/
	164	struct vif_saved_ie {
dae3a273	165	u8 probe_req_ie[IE_MAX_LEN];
8ff5dc92 AS	166	u8 probe_res_ie[IE_MAX_LEN];
8ff5dc92 AS	167	u8 beacon_ie[IE_MAX_LEN];
89286dc9	168	u8 assoc_req_ie[IE_MAX_LEN];
9f440b7b	169	u32 probe_req_ie_len;
8ff5dc92 AS	170	u32 probe_res_ie_len;
8ff5dc92 AS	171	u32 beacon_ie_len;
89286dc9	172	u32 assoc_req_ie_len;
8ff5dc92 AS	173	};
8ff5dc92 AS	174
3eacf866 AS	175	/**
	176	* struct brcmf_cfg80211_vif - virtual interface specific information.
	177	*
	178	* @ifp: lower layer interface pointer
	179	* @wdev: wireless device.
6ac4f4ed	180	* @profile: profile information.
3eacf866	181	* @roam_off: roaming state.
c1179033	182	* @sme_state: SME state using enum brcmf_vif_status bits.
3eacf866 AS	183	* @pm_block: power-management blocked.
3eacf866 AS	184	* @list: linked list.
0de8aace	185	* @mgmt_rx_reg: registered rx mgmt frame types.
a44aa400	186	* @mbss: Multiple BSS type, set if not first AP (not relevant for P2P).
3eacf866 AS	187	*/
	188	struct brcmf_cfg80211_vif {
	189	struct brcmf_if *ifp;
	190	struct wireless_dev wdev;
6ac4f4ed	191	struct brcmf_cfg80211_profile profile;
3eacf866	192	s32 roam_off;
c1179033	193	unsigned long sme_state;
3eacf866	194	bool pm_block;
8ff5dc92	195	struct vif_saved_ie saved_ie;
3eacf866	196	struct list_head list;
0de8aace	197	u16 mgmt_rx_reg;
a44aa400	198	bool mbss;
98027769	199	int is_11d;
3eacf866 AS	200	};
3eacf866 AS	201
5b435de0 AS	202	/* association inform */
	203	struct brcmf_cfg80211_connect_info {
	204	u8 *req_ie;
	205	s32 req_ie_len;
	206	u8 *resp_ie;
	207	s32 resp_ie_len;
	208	};
	209
	210	/* assoc ie length */
c4e382d2 AS	211	struct brcmf_cfg80211_assoc_ielen_le {
	212	__le32 req_len;
	213	__le32 resp_len;
5b435de0 AS	214	};
	215
	216	/* wpa2 pmk list */
	217	struct brcmf_cfg80211_pmk_list {
	218	struct pmkid_list pmkids;
	219	struct pmkid foo[MAXPMKID - 1];
	220	};
	221
e756af5b HM	222	/* dongle escan state */
	223	enum wl_escan_state {
	224	WL_ESCAN_STATE_IDLE,
	225	WL_ESCAN_STATE_SCANNING
	226	};
	227
	228	struct escan_info {
	229	u32 escan_state;
	230	u8 escan_buf[WL_ESCAN_BUF_SIZE];
	231	struct wiphy *wiphy;
a0f472ac AS	232	struct brcmf_if *ifp;
a0f472ac AS	233	s32 (run)(struct brcmf_cfg80211_info cfg, struct brcmf_if *ifp,
9f440b7b	234	struct cfg80211_scan_request *request, u16 action);
e756af5b HM	235	};
e756af5b HM	236
e5806072 AS	237	/**
	238	* struct brcmf_pno_param_le - PNO scan configuration parameters
	239	*
	240	* @version: PNO parameters version.
	241	* @scan_freq: scan frequency.
	242	* @lost_network_timeout: #sec. to declare discovered network as lost.
	243	* @flags: Bit field to control features of PFN such as sort criteria auto
	244	* enable switch and background scan.
	245	* @rssi_margin: Margin to avoid jitter for choosing a PFN based on RSSI sort
	246	* criteria.
	247	* @bestn: number of best networks in each scan.
	248	* @mscan: number of scans recorded.
	249	* @repeat: minimum number of scan intervals before scan frequency changes
	250	* in adaptive scan.
	251	* @exp: exponent of 2 for maximum scan interval.
	252	* @slow_freq: slow scan period.
	253	*/
	254	struct brcmf_pno_param_le {
	255	__le32 version;
	256	__le32 scan_freq;
	257	__le32 lost_network_timeout;
	258	__le16 flags;
	259	__le16 rssi_margin;
	260	u8 bestn;
	261	u8 mscan;
	262	u8 repeat;
	263	u8 exp;
	264	__le32 slow_freq;
	265	};
	266
	267	/**
	268	* struct brcmf_pno_net_param_le - scan parameters per preferred network.
	269	*
	270	* @ssid: ssid name and its length.
	271	* @flags: bit2: hidden.
	272	* @infra: BSS vs IBSS.
	273	* @auth: Open vs Closed.
	274	* @wpa_auth: WPA type.
	275	* @wsec: wsec value.
	276	*/
	277	struct brcmf_pno_net_param_le {
	278	struct brcmf_ssid_le ssid;
	279	__le32 flags;
	280	__le32 infra;
	281	__le32 auth;
	282	__le32 wpa_auth;
	283	__le32 wsec;
	284	};
	285
	286	/**
	287	* struct brcmf_pno_net_info_le - information per found network.
	288	*
	289	* @bssid: BSS network identifier.
	290	* @channel: channel number only.
	291	* @SSID_len: length of ssid.
	292	* @SSID: ssid characters.
	293	* @RSSI: receive signal strength (in dBm).
	294	* @timestamp: age in seconds.
	295	*/
	296	struct brcmf_pno_net_info_le {
	297	u8 bssid[ETH_ALEN];
	298	u8 channel;
	299	u8 SSID_len;
	300	u8 SSID[32];
301	__le16 RSSI;
302	__le16 timestamp;
303	};
304
305	/**
306	* struct brcmf_pno_scanresults_le - result returned in PNO NET FOUND event.
307	*
308	* @version: PNO version identifier.
309	* @status: indicates completion status of PNO scan.
310	* @count: amount of brcmf_pno_net_info_le entries appended.
311	*/
312	struct brcmf_pno_scanresults_le {
313	__le32 version;
314	__le32 status;
315	__le32 count;
316	};
317
d3c0b633 AS	318	/**
	319	* struct brcmf_cfg80211_vif_event - virtual interface event information.
	320	*
	321	* @vif_wq: waitqueue awaiting interface event from firmware.
	322	* @vif_event_lock: protects other members in this structure.
	323	* @vif_complete: completion for net attach.
	324	* @action: either add, change, or delete.
	325	* @vif: virtual interface object related to the event.
	326	*/
	327	struct brcmf_cfg80211_vif_event {
	328	wait_queue_head_t vif_wq;
	329	struct mutex vif_event_lock;
d3c0b633 AS	330	u8 action;
	331	struct brcmf_cfg80211_vif *vif;
	332	};
	333
02030eb6	334	/**
27a68fe3	335	* struct brcmf_cfg80211_info - dongle private data of cfg80211 interface
02030eb6	336	*
3eacf866	337	* @wiphy: wiphy object for cfg80211 interface.
02030eb6	338	* @conf: dongle configuration.
9f440b7b	339	* @p2p: peer-to-peer specific information.
61730d4d	340	* @btcoex: Bluetooth coexistence information.
02030eb6	341	* @scan_request: cfg80211 scan request object.
02030eb6 AS	342	* @usr_sync: mainly for dongle up/down synchronization.
02030eb6 AS	343	* @bss_list: bss_list holding scanned ap information.
02030eb6 AS	344	* @scan_req_int: internal scan request object.
	345	* @bss_info: bss information for cfg80211 layer.
	346	* @ie: information element object for internal purpose.
02030eb6 AS	347	* @conn_info: association info.
02030eb6 AS	348	* @pmk_list: wpa2 pmk list.
c1179033	349	* @scan_status: scan activity on the dongle.
02030eb6 AS	350	* @pub: common driver information.
02030eb6 AS	351	* @channel: current channel.
02030eb6 AS	352	* @active_scan: current scan mode.
	353	* @sched_escan: e-scan for scheduled scan support running.
	354	* @ibss_starter: indicates this sta is ibss starter.
02030eb6 AS	355	* @pwr_save: indicate whether dongle to support power save mode.
	356	* @dongle_up: indicate whether dongle up or not.
	357	* @roam_on: on/off switch for dongle self-roaming.
	358	* @scan_tried: indicates if first scan attempted.
	359	* @dcmd_buf: dcmd buffer.
	360	* @extra_buf: mainly to grab assoc information.
	361	* @debugfsdir: debugfs folder for this device.
02030eb6 AS	362	* @escan_info: escan information.
	363	* @escan_timeout: Timer for catch scan timeout.
	364	* @escan_timeout_work: scan timeout worker.
	365	* @escan_ioctl_buf: dongle command buffer for escan commands.
3eacf866 AS	366	* @vif_list: linked list of vif instances.
3eacf866 AS	367	* @vif_cnt: number of vif instances.
d3c0b633	368	* @vif_event: vif event signalling.
4eb3af7c HM	369	* @wowl_enabled; set during suspend, is wowl used.
4eb3af7c HM	370	* @pre_wowl_pmmode: intermediate storage of pm mode during wowl.
02030eb6	371	*/
27a68fe3	372	struct brcmf_cfg80211_info {
3eacf866	373	struct wiphy *wiphy;
02030eb6	374	struct brcmf_cfg80211_conf *conf;
9f440b7b	375	struct brcmf_p2p_info p2p;
61730d4d	376	struct brcmf_btcoex_info *btcoex;
02030eb6	377	struct cfg80211_scan_request *scan_request;
02030eb6	378	struct mutex usr_sync;
f0799895	379	struct brcmf_cfg80211_scan_req scan_req_int;
02030eb6 AS	380	struct wl_cfg80211_bss_info *bss_info;
02030eb6 AS	381	struct brcmf_cfg80211_ie ie;
02030eb6 AS	382	struct brcmf_cfg80211_connect_info conn_info;
02030eb6 AS	383	struct brcmf_cfg80211_pmk_list *pmk_list;
c1179033	384	unsigned long scan_status;
ee928381	385	struct brcmf_pub *pub;
02030eb6	386	u32 channel;
02030eb6 AS	387	bool active_scan;
	388	bool sched_escan;
	389	bool ibss_starter;
02030eb6 AS	390	bool pwr_save;
02030eb6 AS	391	bool dongle_up;
02030eb6 AS	392	bool scan_tried;
	393	u8 *dcmd_buf;
	394	u8 *extra_buf;
5b435de0	395	struct dentry *debugfsdir;
02030eb6 AS	396	struct escan_info escan_info;
	397	struct timer_list escan_timeout;
	398	struct work_struct escan_timeout_work;
e756af5b	399	u8 *escan_ioctl_buf;
3eacf866	400	struct list_head vif_list;
d3c0b633	401	struct brcmf_cfg80211_vif_event vif_event;
5f4f9f11	402	struct completion vif_disabled;
83cf17aa	403	struct brcmu_d11inf d11inf;
4eb3af7c HM	404	bool wowl_enabled;
4eb3af7c HM	405	u32 pre_wowl_pmmode;
bf2a7e04	406	struct brcmf_assoclist_le assoclist;
5b435de0 AS	407	};
5b435de0 AS	408
9f440b7b AS	409	/**
	410	* struct brcmf_tlv - tag_ID/length/value_buffer tuple.
	411	*
	412	* @id: tag identifier.
	413	* @len: number of bytes in value buffer.
	414	* @data: value buffer.
	415	*/
	416	struct brcmf_tlv {
	417	u8 id;
	418	u8 len;
	419	u8 data[1];
	420	};
	421
3eacf866	422	static inline struct wiphy cfg_to_wiphy(struct brcmf_cfg80211_info cfg)
5b435de0	423	{
3eacf866	424	return cfg->wiphy;
5b435de0 AS	425	}
5b435de0 AS	426
27a68fe3	427	static inline struct brcmf_cfg80211_info wiphy_to_cfg(struct wiphy w)
5b435de0	428	{
27a68fe3	429	return (struct brcmf_cfg80211_info *)(wiphy_priv(w));
5b435de0 AS	430	}
5b435de0 AS	431
27a68fe3	432	static inline struct brcmf_cfg80211_info wdev_to_cfg(struct wireless_dev wd)
5b435de0	433	{
27a68fe3	434	return (struct brcmf_cfg80211_info *)(wdev_priv(wd));
5b435de0 AS	435	}
5b435de0 AS	436
3eacf866 AS	437	static inline
3eacf866 AS	438	struct net_device cfg_to_ndev(struct brcmf_cfg80211_info cfg)
5b435de0	439	{
3eacf866 AS	440	struct brcmf_cfg80211_vif *vif;
	441	vif = list_first_entry(&cfg->vif_list, struct brcmf_cfg80211_vif, list);
	442	return vif->wdev.netdev;
5b435de0 AS	443	}
5b435de0 AS	444
27a68fe3	445	static inline struct brcmf_cfg80211_info ndev_to_cfg(struct net_device ndev)
5b435de0 AS	446	{
	447	return wdev_to_cfg(ndev->ieee80211_ptr);
	448	}
	449
6ac4f4ed AS	450	static inline struct brcmf_cfg80211_profile ndev_to_prof(struct net_device nd)
	451	{
	452	struct brcmf_if *ifp = netdev_priv(nd);
	453	return &ifp->vif->profile;
	454	}
	455
1332e26e AS	456	static inline struct brcmf_cfg80211_vif ndev_to_vif(struct net_device ndev)
	457	{
	458	struct brcmf_if *ifp = netdev_priv(ndev);
	459	return ifp->vif;
	460	}
	461
5b435de0	462	static inline struct
27a68fe3	463	brcmf_cfg80211_connect_info cfg_to_conn(struct brcmf_cfg80211_info cfg)
5b435de0 AS	464	{
	465	return &cfg->conn_info;
	466	}
	467
d9cb2596	468	struct brcmf_cfg80211_info brcmf_cfg80211_attach(struct brcmf_pub drvr,
ae7c03f6 HM	469	struct device *busdev,
ae7c03f6 HM	470	bool p2pdev_forced);
27a68fe3	471	void brcmf_cfg80211_detach(struct brcmf_cfg80211_info *cfg);
bdf5ff51 AS	472	s32 brcmf_cfg80211_up(struct net_device *ndev);
bdf5ff51 AS	473	s32 brcmf_cfg80211_down(struct net_device *ndev);
a7965fbb	474	enum nl80211_iftype brcmf_cfg80211_get_iftype(struct brcmf_if *ifp);
5b435de0	475
9f440b7b	476	struct brcmf_cfg80211_vif brcmf_alloc_vif(struct brcmf_cfg80211_info cfg,
9f440b7b AS	477	enum nl80211_iftype type,
9f440b7b AS	478	bool pm_block);
427dec5f	479	void brcmf_free_vif(struct brcmf_cfg80211_vif *vif);
9f440b7b AS	480
	481	s32 brcmf_vif_set_mgmt_ie(struct brcmf_cfg80211_vif *vif, s32 pktflag,
	482	const u8 *vndr_ie_buf, u32 vndr_ie_len);
5f4f9f11	483	s32 brcmf_vif_clear_mgmt_ies(struct brcmf_cfg80211_vif *vif);
4b5800fe JB	484	const struct brcmf_tlv *
4b5800fe JB	485	brcmf_parse_tlvs(const void *buf, int buflen, uint key);
83cf17aa FL	486	u16 channel_to_chanspec(struct brcmu_d11inf *d11inf,
83cf17aa FL	487	struct ieee80211_channel *ch);
bfe81975 HM	488	bool brcmf_get_vif_state_any(struct brcmf_cfg80211_info *cfg,
bfe81975 HM	489	unsigned long state);
d3c0b633 AS	490	void brcmf_cfg80211_arm_vif_event(struct brcmf_cfg80211_info *cfg,
	491	struct brcmf_cfg80211_vif *vif);
	492	bool brcmf_cfg80211_vif_event_armed(struct brcmf_cfg80211_info *cfg);
	493	int brcmf_cfg80211_wait_vif_event_timeout(struct brcmf_cfg80211_info *cfg,
	494	u8 action, ulong timeout);
7a5c1f64	495	s32 brcmf_notify_escan_complete(struct brcmf_cfg80211_info *cfg,
a0f472ac AS	496	struct brcmf_if *ifp, bool aborted,
a0f472ac AS	497	bool fw_abort);
f96aa07e	498	void brcmf_set_mpc(struct brcmf_if *ndev, int mpc);
18e2f61d	499	void brcmf_abort_scanning(struct brcmf_cfg80211_info *cfg);
9df4d542	500	void brcmf_cfg80211_free_netdev(struct net_device *ndev);
9f440b7b	501
bfe81975	502	#endif /* BRCMFMAC_CFG80211_H */