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

/*
 * Copyright (c) 2012 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 FWEH_H_
#define FWEH_H_

#include <asm/unaligned.h>
#include <linux/skbuff.h>
#include <linux/if_ether.h>
#include <linux/if.h>

/* formward declarations */
struct brcmf_pub;
struct brcmf_if;
struct brcmf_cfg80211_info;
struct brcmf_event;

/* list of firmware events */
#define BRCMF_FWEH_EVENT_ENUM_DEFLIST \
	BRCMF_ENUM_DEF(SET_SSID, 0) \
	BRCMF_ENUM_DEF(JOIN, 1) \
	BRCMF_ENUM_DEF(START, 2) \
	BRCMF_ENUM_DEF(AUTH, 3) \
	BRCMF_ENUM_DEF(AUTH_IND, 4) \
	BRCMF_ENUM_DEF(DEAUTH, 5) \
	BRCMF_ENUM_DEF(DEAUTH_IND, 6) \
	BRCMF_ENUM_DEF(ASSOC, 7) \
	BRCMF_ENUM_DEF(ASSOC_IND, 8) \
	BRCMF_ENUM_DEF(REASSOC, 9) \
	BRCMF_ENUM_DEF(REASSOC_IND, 10) \
	BRCMF_ENUM_DEF(DISASSOC, 11) \
	BRCMF_ENUM_DEF(DISASSOC_IND, 12) \
	BRCMF_ENUM_DEF(QUIET_START, 13) \
	BRCMF_ENUM_DEF(QUIET_END, 14) \
	BRCMF_ENUM_DEF(BEACON_RX, 15) \
	BRCMF_ENUM_DEF(LINK, 16) \
	BRCMF_ENUM_DEF(MIC_ERROR, 17) \
	BRCMF_ENUM_DEF(NDIS_LINK, 18) \
	BRCMF_ENUM_DEF(ROAM, 19) \
	BRCMF_ENUM_DEF(TXFAIL, 20) \
	BRCMF_ENUM_DEF(PMKID_CACHE, 21) \
	BRCMF_ENUM_DEF(RETROGRADE_TSF, 22) \
	BRCMF_ENUM_DEF(PRUNE, 23) \
	BRCMF_ENUM_DEF(AUTOAUTH, 24) \
	BRCMF_ENUM_DEF(EAPOL_MSG, 25) \
	BRCMF_ENUM_DEF(SCAN_COMPLETE, 26) \
	BRCMF_ENUM_DEF(ADDTS_IND, 27) \
	BRCMF_ENUM_DEF(DELTS_IND, 28) \
	BRCMF_ENUM_DEF(BCNSENT_IND, 29) \
	BRCMF_ENUM_DEF(BCNRX_MSG, 30) \
	BRCMF_ENUM_DEF(BCNLOST_MSG, 31) \
	BRCMF_ENUM_DEF(ROAM_PREP, 32) \
	BRCMF_ENUM_DEF(PFN_NET_FOUND, 33) \
	BRCMF_ENUM_DEF(PFN_NET_LOST, 34) \
	BRCMF_ENUM_DEF(RESET_COMPLETE, 35) \
	BRCMF_ENUM_DEF(JOIN_START, 36) \
	BRCMF_ENUM_DEF(ROAM_START, 37) \
	BRCMF_ENUM_DEF(ASSOC_START, 38) \
	BRCMF_ENUM_DEF(IBSS_ASSOC, 39) \
	BRCMF_ENUM_DEF(RADIO, 40) \
	BRCMF_ENUM_DEF(PSM_WATCHDOG, 41) \
	BRCMF_ENUM_DEF(PROBREQ_MSG, 44) \
	BRCMF_ENUM_DEF(SCAN_CONFIRM_IND, 45) \
	BRCMF_ENUM_DEF(PSK_SUP, 46) \
	BRCMF_ENUM_DEF(COUNTRY_CODE_CHANGED, 47) \
	BRCMF_ENUM_DEF(EXCEEDED_MEDIUM_TIME, 48) \
	BRCMF_ENUM_DEF(ICV_ERROR, 49) \
	BRCMF_ENUM_DEF(UNICAST_DECODE_ERROR, 50) \
	BRCMF_ENUM_DEF(MULTICAST_DECODE_ERROR, 51) \
	BRCMF_ENUM_DEF(TRACE, 52) \
	BRCMF_ENUM_DEF(IF, 54) \
	BRCMF_ENUM_DEF(P2P_DISC_LISTEN_COMPLETE, 55) \
	BRCMF_ENUM_DEF(RSSI, 56) \
	BRCMF_ENUM_DEF(EXTLOG_MSG, 58) \
	BRCMF_ENUM_DEF(ACTION_FRAME, 59) \
	BRCMF_ENUM_DEF(ACTION_FRAME_COMPLETE, 60) \
	BRCMF_ENUM_DEF(PRE_ASSOC_IND, 61) \
	BRCMF_ENUM_DEF(PRE_REASSOC_IND, 62) \
	BRCMF_ENUM_DEF(CHANNEL_ADOPTED, 63) \
	BRCMF_ENUM_DEF(AP_STARTED, 64) \
	BRCMF_ENUM_DEF(DFS_AP_STOP, 65) \
	BRCMF_ENUM_DEF(DFS_AP_RESUME, 66) \
	BRCMF_ENUM_DEF(ESCAN_RESULT, 69) \
	BRCMF_ENUM_DEF(ACTION_FRAME_OFF_CHAN_COMPLETE, 70) \
	BRCMF_ENUM_DEF(PROBERESP_MSG, 71) \
	BRCMF_ENUM_DEF(P2P_PROBEREQ_MSG, 72) \
	BRCMF_ENUM_DEF(DCS_REQUEST, 73) \
	BRCMF_ENUM_DEF(FIFO_CREDIT_MAP, 74) \
	BRCMF_ENUM_DEF(ACTION_FRAME_RX, 75) \
	BRCMF_ENUM_DEF(TDLS_PEER_EVENT, 92) \
	BRCMF_ENUM_DEF(BCMC_CREDIT_SUPPORT, 127)

#define BRCMF_ENUM_DEF(id, val) \
	BRCMF_E_##id = (val),

/* firmware event codes sent by the dongle */
enum brcmf_fweh_event_code {
	BRCMF_FWEH_EVENT_ENUM_DEFLIST
	/* this determines event mask length which must match
	 * minimum length check in device firmware so it is
	 * hard-coded here.
	 */
	BRCMF_E_LAST = 139
};
#undef BRCMF_ENUM_DEF

#define BRCMF_EVENTING_MASK_LEN		DIV_ROUND_UP(BRCMF_E_LAST, 8)

/* flags field values in struct brcmf_event_msg */
#define BRCMF_EVENT_MSG_LINK		0x01
#define BRCMF_EVENT_MSG_FLUSHTXQ	0x02
#define BRCMF_EVENT_MSG_GROUP		0x04

/* status field values in struct brcmf_event_msg */
#define BRCMF_E_STATUS_SUCCESS			0
#define BRCMF_E_STATUS_FAIL			1
#define BRCMF_E_STATUS_TIMEOUT			2
#define BRCMF_E_STATUS_NO_NETWORKS		3
#define BRCMF_E_STATUS_ABORT			4
#define BRCMF_E_STATUS_NO_ACK			5
#define BRCMF_E_STATUS_UNSOLICITED		6
#define BRCMF_E_STATUS_ATTEMPT			7
#define BRCMF_E_STATUS_PARTIAL			8
#define BRCMF_E_STATUS_NEWSCAN			9
#define BRCMF_E_STATUS_NEWASSOC			10
#define BRCMF_E_STATUS_11HQUIET			11
#define BRCMF_E_STATUS_SUPPRESS			12
#define BRCMF_E_STATUS_NOCHANS			13
#define BRCMF_E_STATUS_CS_ABORT			15
#define BRCMF_E_STATUS_ERROR			16

/* reason field values in struct brcmf_event_msg */
#define BRCMF_E_REASON_INITIAL_ASSOC		0
#define BRCMF_E_REASON_LOW_RSSI			1
#define BRCMF_E_REASON_DEAUTH			2
#define BRCMF_E_REASON_DISASSOC			3
#define BRCMF_E_REASON_BCNS_LOST		4
#define BRCMF_E_REASON_MINTXRATE		9
#define BRCMF_E_REASON_TXFAIL			10

#define BRCMF_E_REASON_LINK_BSSCFG_DIS		4
#define BRCMF_E_REASON_FAST_ROAM_FAILED		5
#define BRCMF_E_REASON_DIRECTED_ROAM		6
#define BRCMF_E_REASON_TSPEC_REJECTED		7
#define BRCMF_E_REASON_BETTER_AP		8

#define BRCMF_E_REASON_TDLS_PEER_DISCOVERED	0
#define BRCMF_E_REASON_TDLS_PEER_CONNECTED	1
#define BRCMF_E_REASON_TDLS_PEER_DISCONNECTED	2

/* action field values for brcmf_ifevent */
#define BRCMF_E_IF_ADD				1
#define BRCMF_E_IF_DEL				2
#define BRCMF_E_IF_CHANGE			3

/* flag field values for brcmf_ifevent */
#define BRCMF_E_IF_FLAG_NOIF			1

/* role field values for brcmf_ifevent */
#define BRCMF_E_IF_ROLE_STA			0
#define BRCMF_E_IF_ROLE_AP			1
#define BRCMF_E_IF_ROLE_WDS			2
#define BRCMF_E_IF_ROLE_P2P_GO			3
#define BRCMF_E_IF_ROLE_P2P_CLIENT		4

/**
 * definitions for event packet validation.
 */
#define BRCMF_EVENT_OUI_OFFSET		19
#define BRCM_OUI			"\x00\x10\x18"
#define DOT11_OUI_LEN			3
#define BCMILCP_BCM_SUBTYPE_EVENT	1


/**
 * struct brcmf_event_msg - firmware event message.
 *
 * @version: version information.
 * @flags: event flags.
 * @event_code: firmware event code.
 * @status: status information.
 * @reason: reason code.
 * @auth_type: authentication type.
 * @datalen: lenght of event data buffer.
 * @addr: ether address.
 * @ifname: interface name.
 * @ifidx: interface index.
 * @bsscfgidx: bsscfg index.
 */
struct brcmf_event_msg {
	u16 version;
	u16 flags;
	u32 event_code;
	u32 status;
	u32 reason;
	s32 auth_type;
	u32 datalen;
	u8 addr[ETH_ALEN];
	char ifname[IFNAMSIZ];
	u8 ifidx;
	u8 bsscfgidx;
};

struct brcmf_if_event {
	u8 ifidx;
	u8 action;
	u8 flags;
	u8 bssidx;
	u8 role;
};

typedef int (*brcmf_fweh_handler_t)(struct brcmf_if *ifp,
				    const struct brcmf_event_msg *evtmsg,
				    void *data);

/**
 * struct brcmf_fweh_info - firmware event handling information.
 *
 * @p2pdev_setup_ongoing: P2P device creation in progress.
 * @event_work: event worker.
 * @evt_q_lock: lock for event queue protection.
 * @event_q: event queue.
 * @evt_handler: registered event handlers.
 */
struct brcmf_fweh_info {
	bool p2pdev_setup_ongoing;
	struct work_struct event_work;
	spinlock_t evt_q_lock;
	struct list_head event_q;
	int (*evt_handler[BRCMF_E_LAST])(struct brcmf_if *ifp,
					 const struct brcmf_event_msg *evtmsg,
					 void *data);
};

void brcmf_fweh_attach(struct brcmf_pub *drvr);
void brcmf_fweh_detach(struct brcmf_pub *drvr);
int brcmf_fweh_register(struct brcmf_pub *drvr, enum brcmf_fweh_event_code code,
			int (*handler)(struct brcmf_if *ifp,
				       const struct brcmf_event_msg *evtmsg,
				       void *data));
void brcmf_fweh_unregister(struct brcmf_pub *drvr,
			   enum brcmf_fweh_event_code code);
int brcmf_fweh_activate_events(struct brcmf_if *ifp);
void brcmf_fweh_process_event(struct brcmf_pub *drvr,
			      struct brcmf_event *event_packet);
void brcmf_fweh_p2pdev_setup(struct brcmf_if *ifp, bool ongoing);

static inline void brcmf_fweh_process_skb(struct brcmf_pub *drvr,
					  struct sk_buff *skb)
{
	struct brcmf_event *event_packet;
	u8 *data;
	u16 usr_stype;

	/* only process events when protocol matches */
	if (skb->protocol != cpu_to_be16(ETH_P_LINK_CTL))
		return;

	/* check for BRCM oui match */
	event_packet = (struct brcmf_event *)skb_mac_header(skb);
	data = (u8 *)event_packet;
	data += BRCMF_EVENT_OUI_OFFSET;
	if (memcmp(BRCM_OUI, data, DOT11_OUI_LEN))
		return;

	/* final match on usr_subtype */
	data += DOT11_OUI_LEN;
	usr_stype = get_unaligned_be16(data);
	if (usr_stype != BCMILCP_BCM_SUBTYPE_EVENT)
		return;

	brcmf_fweh_process_event(drvr, event_packet);
}

#endif /* FWEH_H_ */
Commit	Line	Data
5c36b99a AS	1	/*
	2	* Copyright (c) 2012 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
	17
	18	#ifndef FWEH_H_
	19	#define FWEH_H_
	20
b6f06f6e	21	#include <asm/unaligned.h>
5c36b99a AS	22	#include <linux/skbuff.h>
	23	#include <linux/if_ether.h>
	24	#include <linux/if.h>
	25
	26	/* formward declarations */
	27	struct brcmf_pub;
	28	struct brcmf_if;
	29	struct brcmf_cfg80211_info;
	30	struct brcmf_event;
	31
dc5cbdfd AS	32	/* list of firmware events */
	33	#define BRCMF_FWEH_EVENT_ENUM_DEFLIST \
	34	BRCMF_ENUM_DEF(SET_SSID, 0) \
	35	BRCMF_ENUM_DEF(JOIN, 1) \
	36	BRCMF_ENUM_DEF(START, 2) \
	37	BRCMF_ENUM_DEF(AUTH, 3) \
	38	BRCMF_ENUM_DEF(AUTH_IND, 4) \
	39	BRCMF_ENUM_DEF(DEAUTH, 5) \
	40	BRCMF_ENUM_DEF(DEAUTH_IND, 6) \
	41	BRCMF_ENUM_DEF(ASSOC, 7) \
	42	BRCMF_ENUM_DEF(ASSOC_IND, 8) \
	43	BRCMF_ENUM_DEF(REASSOC, 9) \
	44	BRCMF_ENUM_DEF(REASSOC_IND, 10) \
	45	BRCMF_ENUM_DEF(DISASSOC, 11) \
	46	BRCMF_ENUM_DEF(DISASSOC_IND, 12) \
	47	BRCMF_ENUM_DEF(QUIET_START, 13) \
	48	BRCMF_ENUM_DEF(QUIET_END, 14) \
	49	BRCMF_ENUM_DEF(BEACON_RX, 15) \
	50	BRCMF_ENUM_DEF(LINK, 16) \
	51	BRCMF_ENUM_DEF(MIC_ERROR, 17) \
	52	BRCMF_ENUM_DEF(NDIS_LINK, 18) \
	53	BRCMF_ENUM_DEF(ROAM, 19) \
	54	BRCMF_ENUM_DEF(TXFAIL, 20) \
	55	BRCMF_ENUM_DEF(PMKID_CACHE, 21) \
	56	BRCMF_ENUM_DEF(RETROGRADE_TSF, 22) \
	57	BRCMF_ENUM_DEF(PRUNE, 23) \
	58	BRCMF_ENUM_DEF(AUTOAUTH, 24) \
	59	BRCMF_ENUM_DEF(EAPOL_MSG, 25) \
	60	BRCMF_ENUM_DEF(SCAN_COMPLETE, 26) \
	61	BRCMF_ENUM_DEF(ADDTS_IND, 27) \
	62	BRCMF_ENUM_DEF(DELTS_IND, 28) \
	63	BRCMF_ENUM_DEF(BCNSENT_IND, 29) \
	64	BRCMF_ENUM_DEF(BCNRX_MSG, 30) \
	65	BRCMF_ENUM_DEF(BCNLOST_MSG, 31) \
	66	BRCMF_ENUM_DEF(ROAM_PREP, 32) \
	67	BRCMF_ENUM_DEF(PFN_NET_FOUND, 33) \
	68	BRCMF_ENUM_DEF(PFN_NET_LOST, 34) \
	69	BRCMF_ENUM_DEF(RESET_COMPLETE, 35) \
	70	BRCMF_ENUM_DEF(JOIN_START, 36) \
	71	BRCMF_ENUM_DEF(ROAM_START, 37) \
	72	BRCMF_ENUM_DEF(ASSOC_START, 38) \
	73	BRCMF_ENUM_DEF(IBSS_ASSOC, 39) \
	74	BRCMF_ENUM_DEF(RADIO, 40) \
	75	BRCMF_ENUM_DEF(PSM_WATCHDOG, 41) \
	76	BRCMF_ENUM_DEF(PROBREQ_MSG, 44) \
	77	BRCMF_ENUM_DEF(SCAN_CONFIRM_IND, 45) \
	78	BRCMF_ENUM_DEF(PSK_SUP, 46) \
	79	BRCMF_ENUM_DEF(COUNTRY_CODE_CHANGED, 47) \
	80	BRCMF_ENUM_DEF(EXCEEDED_MEDIUM_TIME, 48) \
	81	BRCMF_ENUM_DEF(ICV_ERROR, 49) \
	82	BRCMF_ENUM_DEF(UNICAST_DECODE_ERROR, 50) \
	83	BRCMF_ENUM_DEF(MULTICAST_DECODE_ERROR, 51) \
	84	BRCMF_ENUM_DEF(TRACE, 52) \
	85	BRCMF_ENUM_DEF(IF, 54) \
0de8aace	86	BRCMF_ENUM_DEF(P2P_DISC_LISTEN_COMPLETE, 55) \
dc5cbdfd	87	BRCMF_ENUM_DEF(RSSI, 56) \
dc5cbdfd AS	88	BRCMF_ENUM_DEF(EXTLOG_MSG, 58) \
	89	BRCMF_ENUM_DEF(ACTION_FRAME, 59) \
	90	BRCMF_ENUM_DEF(ACTION_FRAME_COMPLETE, 60) \
	91	BRCMF_ENUM_DEF(PRE_ASSOC_IND, 61) \
	92	BRCMF_ENUM_DEF(PRE_REASSOC_IND, 62) \
	93	BRCMF_ENUM_DEF(CHANNEL_ADOPTED, 63) \
	94	BRCMF_ENUM_DEF(AP_STARTED, 64) \
	95	BRCMF_ENUM_DEF(DFS_AP_STOP, 65) \
	96	BRCMF_ENUM_DEF(DFS_AP_RESUME, 66) \
	97	BRCMF_ENUM_DEF(ESCAN_RESULT, 69) \
	98	BRCMF_ENUM_DEF(ACTION_FRAME_OFF_CHAN_COMPLETE, 70) \
0de8aace HM	99	BRCMF_ENUM_DEF(PROBERESP_MSG, 71) \
0de8aace HM	100	BRCMF_ENUM_DEF(P2P_PROBEREQ_MSG, 72) \
dc5cbdfd	101	BRCMF_ENUM_DEF(DCS_REQUEST, 73) \
0de8aace	102	BRCMF_ENUM_DEF(FIFO_CREDIT_MAP, 74) \
7d747037	103	BRCMF_ENUM_DEF(ACTION_FRAME_RX, 75) \
70b7d94b	104	BRCMF_ENUM_DEF(TDLS_PEER_EVENT, 92) \
fc7c3ad5	105	BRCMF_ENUM_DEF(BCMC_CREDIT_SUPPORT, 127)
dc5cbdfd AS	106
	107	#define BRCMF_ENUM_DEF(id, val) \
	108	BRCMF_E_##id = (val),
	109
5c36b99a AS	110	/* firmware event codes sent by the dongle */
5c36b99a AS	111	enum brcmf_fweh_event_code {
dc5cbdfd	112	BRCMF_FWEH_EVENT_ENUM_DEFLIST
fc7c3ad5 AS	113	/* this determines event mask length which must match
	114	* minimum length check in device firmware so it is
	115	* hard-coded here.
	116	*/
	117	BRCMF_E_LAST = 139
5c36b99a	118	};
dc5cbdfd	119	#undef BRCMF_ENUM_DEF
5c36b99a	120
5af47fb3	121	#define BRCMF_EVENTING_MASK_LEN DIV_ROUND_UP(BRCMF_E_LAST, 8)
4cd0ea45	122
5c36b99a AS	123	/* flags field values in struct brcmf_event_msg */
	124	#define BRCMF_EVENT_MSG_LINK 0x01
	125	#define BRCMF_EVENT_MSG_FLUSHTXQ 0x02
	126	#define BRCMF_EVENT_MSG_GROUP 0x04
	127
01376a07 AS	128	/* status field values in struct brcmf_event_msg */
	129	#define BRCMF_E_STATUS_SUCCESS 0
	130	#define BRCMF_E_STATUS_FAIL 1
	131	#define BRCMF_E_STATUS_TIMEOUT 2
	132	#define BRCMF_E_STATUS_NO_NETWORKS 3
	133	#define BRCMF_E_STATUS_ABORT 4
	134	#define BRCMF_E_STATUS_NO_ACK 5
	135	#define BRCMF_E_STATUS_UNSOLICITED 6
	136	#define BRCMF_E_STATUS_ATTEMPT 7
	137	#define BRCMF_E_STATUS_PARTIAL 8
	138	#define BRCMF_E_STATUS_NEWSCAN 9
	139	#define BRCMF_E_STATUS_NEWASSOC 10
	140	#define BRCMF_E_STATUS_11HQUIET 11
	141	#define BRCMF_E_STATUS_SUPPRESS 12
	142	#define BRCMF_E_STATUS_NOCHANS 13
	143	#define BRCMF_E_STATUS_CS_ABORT 15
	144	#define BRCMF_E_STATUS_ERROR 16
	145
	146	/* reason field values in struct brcmf_event_msg */
	147	#define BRCMF_E_REASON_INITIAL_ASSOC 0
	148	#define BRCMF_E_REASON_LOW_RSSI 1
	149	#define BRCMF_E_REASON_DEAUTH 2
	150	#define BRCMF_E_REASON_DISASSOC 3
	151	#define BRCMF_E_REASON_BCNS_LOST 4
	152	#define BRCMF_E_REASON_MINTXRATE 9
	153	#define BRCMF_E_REASON_TXFAIL 10
	154
	155	#define BRCMF_E_REASON_LINK_BSSCFG_DIS 4
	156	#define BRCMF_E_REASON_FAST_ROAM_FAILED 5
	157	#define BRCMF_E_REASON_DIRECTED_ROAM 6
	158	#define BRCMF_E_REASON_TSPEC_REJECTED 7
	159	#define BRCMF_E_REASON_BETTER_AP 8
	160
70b7d94b HM	161	#define BRCMF_E_REASON_TDLS_PEER_DISCOVERED 0
	162	#define BRCMF_E_REASON_TDLS_PEER_CONNECTED 1
	163	#define BRCMF_E_REASON_TDLS_PEER_DISCONNECTED 2
	164
01376a07 AS	165	/* action field values for brcmf_ifevent */
	166	#define BRCMF_E_IF_ADD 1
	167	#define BRCMF_E_IF_DEL 2
	168	#define BRCMF_E_IF_CHANGE 3
	169
	170	/* flag field values for brcmf_ifevent */
	171	#define BRCMF_E_IF_FLAG_NOIF 1
	172
	173	/* role field values for brcmf_ifevent */
	174	#define BRCMF_E_IF_ROLE_STA 0
	175	#define BRCMF_E_IF_ROLE_AP 1
	176	#define BRCMF_E_IF_ROLE_WDS 2
87c47903 AS	177	#define BRCMF_E_IF_ROLE_P2P_GO 3
87c47903 AS	178	#define BRCMF_E_IF_ROLE_P2P_CLIENT 4
01376a07	179
5c36b99a AS	180	/**
	181	* definitions for event packet validation.
	182	*/
	183	#define BRCMF_EVENT_OUI_OFFSET 19
	184	#define BRCM_OUI "\x00\x10\x18"
	185	#define DOT11_OUI_LEN 3
	186	#define BCMILCP_BCM_SUBTYPE_EVENT 1
	187
	188
	189	/**
	190	* struct brcmf_event_msg - firmware event message.
	191	*
	192	* @version: version information.
	193	* @flags: event flags.
	194	* @event_code: firmware event code.
	195	* @status: status information.
	196	* @reason: reason code.
	197	* @auth_type: authentication type.
	198	* @datalen: lenght of event data buffer.
	199	* @addr: ether address.
	200	* @ifname: interface name.
	201	* @ifidx: interface index.
	202	* @bsscfgidx: bsscfg index.
	203	*/
	204	struct brcmf_event_msg {
	205	u16 version;
	206	u16 flags;
	207	u32 event_code;
	208	u32 status;
	209	u32 reason;
	210	s32 auth_type;
	211	u32 datalen;
	212	u8 addr[ETH_ALEN];
	213	char ifname[IFNAMSIZ];
	214	u8 ifidx;
	215	u8 bsscfgidx;
	216	};
	217
01376a07 AS	218	struct brcmf_if_event {
	219	u8 ifidx;
	220	u8 action;
	221	u8 flags;
	222	u8 bssidx;
	223	u8 role;
	224	};
	225
5c36b99a AS	226	typedef int (brcmf_fweh_handler_t)(struct brcmf_if ifp,
	227	const struct brcmf_event_msg *evtmsg,
	228	void *data);
	229
	230	/**
	231	* struct brcmf_fweh_info - firmware event handling information.
	232	*
cb8dc71f	233	* @p2pdev_setup_ongoing: P2P device creation in progress.
5c36b99a AS	234	* @event_work: event worker.
	235	* @evt_q_lock: lock for event queue protection.
	236	* @event_q: event queue.
	237	* @evt_handler: registered event handlers.
	238	*/
	239	struct brcmf_fweh_info {
cb8dc71f	240	bool p2pdev_setup_ongoing;
5c36b99a	241	struct work_struct event_work;
f241b244	242	spinlock_t evt_q_lock;
5c36b99a AS	243	struct list_head event_q;
	244	int (evt_handler[BRCMF_E_LAST])(struct brcmf_if ifp,
	245	const struct brcmf_event_msg *evtmsg,
	246	void *data);
	247	};
	248
	249	void brcmf_fweh_attach(struct brcmf_pub *drvr);
	250	void brcmf_fweh_detach(struct brcmf_pub *drvr);
	251	int brcmf_fweh_register(struct brcmf_pub *drvr, enum brcmf_fweh_event_code code,
	252	int (handler)(struct brcmf_if ifp,
	253	const struct brcmf_event_msg *evtmsg,
	254	void *data));
	255	void brcmf_fweh_unregister(struct brcmf_pub *drvr,
	256	enum brcmf_fweh_event_code code);
	257	int brcmf_fweh_activate_events(struct brcmf_if *ifp);
	258	void brcmf_fweh_process_event(struct brcmf_pub *drvr,
deb09280	259	struct brcmf_event *event_packet);
cb8dc71f	260	void brcmf_fweh_p2pdev_setup(struct brcmf_if *ifp, bool ongoing);
5c36b99a AS	261
5c36b99a AS	262	static inline void brcmf_fweh_process_skb(struct brcmf_pub *drvr,
deb09280	263	struct sk_buff *skb)
5c36b99a AS	264	{
	265	struct brcmf_event *event_packet;
	266	u8 *data;
	267	u16 usr_stype;
	268
	269	/* only process events when protocol matches */
	270	if (skb->protocol != cpu_to_be16(ETH_P_LINK_CTL))
	271	return;
	272
	273	/* check for BRCM oui match */
	274	event_packet = (struct brcmf_event *)skb_mac_header(skb);
	275	data = (u8 *)event_packet;
	276	data += BRCMF_EVENT_OUI_OFFSET;
	277	if (memcmp(BRCM_OUI, data, DOT11_OUI_LEN))
	278	return;
	279
	280	/* final match on usr_subtype */
	281	data += DOT11_OUI_LEN;
	282	usr_stype = get_unaligned_be16(data);
	283	if (usr_stype != BCMILCP_BCM_SUBTYPE_EVENT)
	284	return;
	285
deb09280	286	brcmf_fweh_process_event(drvr, event_packet);
5c36b99a AS	287	}
	288
	289	#endif /* FWEH_H_ */