bcm4329/src/dhd/sys/dhd_common.c

/*
 * Broadcom Dongle Host Driver (DHD), common DHD core.
 *
 * Copyright (C) 1999-2010, 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: dhd_common.c,v 1.5.6.8.2.6.6.41 2010/02/24 01:52:41 Exp $
 */
#include <typedefs.h>
#include <osl.h>

#include <epivers.h>
#include <bcmutils.h>

#include <bcmendian.h>
#include <dngl_stats.h>
#include <dhd.h>
#include <dhd_bus.h>
#include <dhd_proto.h>
#include <dhd_dbg.h>
#include <msgtrace.h>


int dhd_msg_level;

char fw_path[MOD_PARAM_PATHLEN];
char nv_path[MOD_PARAM_PATHLEN];

/* Last connection success/failure status */
uint32 dhd_conn_event;
uint32 dhd_conn_status;
uint32 dhd_conn_reason;

#ifdef DHD_DEBUG
const char dhd_version[] = "Dongle Host Driver, version " EPI_VERSION_STR "\nCompiled on "
	__DATE__ " at " __TIME__;
#else
const char dhd_version[] = "Dongle Host Driver, version " EPI_VERSION_STR;
#endif

void dhd_set_timer(void *bus, uint wdtick);


/* IOVar table */
enum {
	IOV_VERSION = 1,
	IOV_MSGLEVEL,
	IOV_BCMERRORSTR,
	IOV_BCMERROR,
	IOV_WDTICK,
	IOV_DUMP,
	IOV_CLEARCOUNTS,
	IOV_LOGDUMP,
	IOV_LOGCAL,
	IOV_LOGSTAMP,
	IOV_GPIOOB,
	IOV_IOCTLTIMEOUT,
	IOV_LAST
};

const bcm_iovar_t dhd_iovars[] = {
	{"version", 	IOV_VERSION,	0,	IOVT_BUFFER,	sizeof(dhd_version) },
#ifdef DHD_DEBUG
	{"msglevel",	IOV_MSGLEVEL,	0,	IOVT_UINT32,	0 },
#endif /* DHD_DEBUG */
	{"bcmerrorstr", IOV_BCMERRORSTR, 0, IOVT_BUFFER,	BCME_STRLEN },
	{"bcmerror",	IOV_BCMERROR,	0,	IOVT_INT8,	0 },
	{"wdtick",	IOV_WDTICK, 0,	IOVT_UINT32,	0 },
	{"dump",	IOV_DUMP,	0,	IOVT_BUFFER,	DHD_IOCTL_MAXLEN },
	{"clearcounts", IOV_CLEARCOUNTS, 0, IOVT_VOID,	0 },
	{"gpioob",	IOV_GPIOOB,	0,	IOVT_UINT32,	0 },
	{"ioctl_timeout",	IOV_IOCTLTIMEOUT,	0,	IOVT_UINT32,	0 },
	{NULL, 0, 0, 0, 0 }
};

void
dhd_common_init(void)
{
	/* Init global variables at run-time, not as part of the declaration.
	 * This is required to support init/de-init of the driver. Initialization
	 * of globals as part of the declaration results in non-deterministic
	 * behaviour since the value of the globals may be different on the
	 * first time that the driver is initialized vs subsequent initializations.
	 */
	dhd_msg_level = DHD_ERROR_VAL;
#ifdef CONFIG_BCM4329_FW_PATH
	strncpy(fw_path, CONFIG_BCM4329_FW_PATH, MOD_PARAM_PATHLEN-1);
#else
	fw_path[0] = '\0';
#endif
#ifdef CONFIG_BCM4329_NVRAM_PATH
	strncpy(nv_path, CONFIG_BCM4329_NVRAM_PATH, MOD_PARAM_PATHLEN-1);
#else
	nv_path[0] = '\0';
#endif
}

static int
dhd_dump(dhd_pub_t *dhdp, char *buf, int buflen)
{
	char eabuf[ETHER_ADDR_STR_LEN];

	struct bcmstrbuf b;
	struct bcmstrbuf *strbuf = &b;

	bcm_binit(strbuf, buf, buflen);

	/* Base DHD info */
	bcm_bprintf(strbuf, "%s\n", dhd_version);
	bcm_bprintf(strbuf, "\n");
	bcm_bprintf(strbuf, "pub.up %d pub.txoff %d pub.busstate %d\n",
	            dhdp->up, dhdp->txoff, dhdp->busstate);
	bcm_bprintf(strbuf, "pub.hdrlen %d pub.maxctl %d pub.rxsz %d\n",
	            dhdp->hdrlen, dhdp->maxctl, dhdp->rxsz);
	bcm_bprintf(strbuf, "pub.iswl %d pub.drv_version %ld pub.mac %s\n",
	            dhdp->iswl, dhdp->drv_version, bcm_ether_ntoa(&dhdp->mac, eabuf));
	bcm_bprintf(strbuf, "pub.bcmerror %d tickcnt %d\n", dhdp->bcmerror, dhdp->tickcnt);

	bcm_bprintf(strbuf, "dongle stats:\n");
	bcm_bprintf(strbuf, "tx_packets %ld tx_bytes %ld tx_errors %ld tx_dropped %ld\n",
	            dhdp->dstats.tx_packets, dhdp->dstats.tx_bytes,
	            dhdp->dstats.tx_errors, dhdp->dstats.tx_dropped);
	bcm_bprintf(strbuf, "rx_packets %ld rx_bytes %ld rx_errors %ld rx_dropped %ld\n",
	            dhdp->dstats.rx_packets, dhdp->dstats.rx_bytes,
	            dhdp->dstats.rx_errors, dhdp->dstats.rx_dropped);
	bcm_bprintf(strbuf, "multicast %ld\n", dhdp->dstats.multicast);

	bcm_bprintf(strbuf, "bus stats:\n");
	bcm_bprintf(strbuf, "tx_packets %ld tx_multicast %ld tx_errors %ld\n",
	            dhdp->tx_packets, dhdp->tx_multicast, dhdp->tx_errors);
	bcm_bprintf(strbuf, "tx_ctlpkts %ld tx_ctlerrs %ld\n",
	            dhdp->tx_ctlpkts, dhdp->tx_ctlerrs);
	bcm_bprintf(strbuf, "rx_packets %ld rx_multicast %ld rx_errors %ld \n",
	            dhdp->rx_packets, dhdp->rx_multicast, dhdp->rx_errors);
	bcm_bprintf(strbuf, "rx_ctlpkts %ld rx_ctlerrs %ld rx_dropped %ld rx_flushed %ld\n",
	            dhdp->rx_ctlpkts, dhdp->rx_ctlerrs, dhdp->rx_dropped, dhdp->rx_flushed);
	bcm_bprintf(strbuf, "rx_readahead_cnt %ld tx_realloc %ld fc_packets %ld\n",
	            dhdp->rx_readahead_cnt, dhdp->tx_realloc, dhdp->fc_packets);
	bcm_bprintf(strbuf, "wd_dpc_sched %ld\n", dhdp->wd_dpc_sched);
	bcm_bprintf(strbuf, "\n");

	/* Add any prot info */
	dhd_prot_dump(dhdp, strbuf);
	bcm_bprintf(strbuf, "\n");

	/* Add any bus info */
	dhd_bus_dump(dhdp, strbuf);

	return (!strbuf->size ? BCME_BUFTOOSHORT : 0);
}

static int
dhd_doiovar(dhd_pub_t *dhd_pub, const bcm_iovar_t *vi, uint32 actionid, const char *name,
            void *params, int plen, void *arg, int len, int val_size)
{
	int bcmerror = 0;
	int32 int_val = 0;

	DHD_TRACE(("%s: Enter\n", __FUNCTION__));

	if ((bcmerror = bcm_iovar_lencheck(vi, arg, len, IOV_ISSET(actionid))) != 0)
		goto exit;

	if (plen >= (int)sizeof(int_val))
		bcopy(params, &int_val, sizeof(int_val));

	switch (actionid) {
	case IOV_GVAL(IOV_VERSION):
		/* Need to have checked buffer length */
		strncpy((char*)arg, dhd_version, len);
		break;

	case IOV_GVAL(IOV_MSGLEVEL):
		int_val = (int32)dhd_msg_level;
		bcopy(&int_val, arg, val_size);
		break;

	case IOV_SVAL(IOV_MSGLEVEL):
		dhd_msg_level = int_val;
		break;

	case IOV_GVAL(IOV_BCMERRORSTR):
		strncpy((char *)arg, bcmerrorstr(dhd_pub->bcmerror), BCME_STRLEN);
		((char *)arg)[BCME_STRLEN - 1] = 0x00;
		break;

	case IOV_GVAL(IOV_BCMERROR):
		int_val = (int32)dhd_pub->bcmerror;
		bcopy(&int_val, arg, val_size);
		break;

	case IOV_GVAL(IOV_WDTICK):
		int_val = (int32)dhd_watchdog_ms;
		bcopy(&int_val, arg, val_size);
		break;

	case IOV_SVAL(IOV_WDTICK):
		if (!dhd_pub->up) {
			bcmerror = BCME_NOTUP;
			break;
		}
		dhd_os_wd_timer(dhd_pub, (uint)int_val);
		break;

	case IOV_GVAL(IOV_DUMP):
		bcmerror = dhd_dump(dhd_pub, arg, len);
		break;


	case IOV_SVAL(IOV_CLEARCOUNTS):
		dhd_pub->tx_packets = dhd_pub->rx_packets = 0;
		dhd_pub->tx_errors = dhd_pub->rx_errors = 0;
		dhd_pub->tx_ctlpkts = dhd_pub->rx_ctlpkts = 0;
		dhd_pub->tx_ctlerrs = dhd_pub->rx_ctlerrs = 0;
		dhd_pub->rx_dropped = 0;
		dhd_pub->rx_readahead_cnt = 0;
		dhd_pub->tx_realloc = 0;
		dhd_pub->wd_dpc_sched = 0;
		memset(&dhd_pub->dstats, 0, sizeof(dhd_pub->dstats));
		dhd_bus_clearcounts(dhd_pub);
		break;


	case IOV_GVAL(IOV_IOCTLTIMEOUT): {
		int_val = (int32)dhd_os_get_ioctl_resp_timeout();
		bcopy(&int_val, arg, sizeof(int_val));
		break;
	}

	case IOV_SVAL(IOV_IOCTLTIMEOUT): {
		if (int_val <= 0)
			bcmerror = BCME_BADARG;
		else
			dhd_os_set_ioctl_resp_timeout((unsigned int)int_val);
		break;
	}


	default:
		bcmerror = BCME_UNSUPPORTED;
		break;
	}

exit:
	return bcmerror;
}

/* Store the status of a connection attempt for later retrieval by an iovar */
void
dhd_store_conn_status(uint32 event, uint32 status, uint32 reason)
{
	/* Do not overwrite a WLC_E_PRUNE with a WLC_E_SET_SSID
	 * because an encryption/rsn mismatch results in both events, and
	 * the important information is in the WLC_E_PRUNE.
	 */
	if (!(event == WLC_E_SET_SSID && status == WLC_E_STATUS_FAIL &&
	      dhd_conn_event == WLC_E_PRUNE)) {
		dhd_conn_event = event;
		dhd_conn_status = status;
		dhd_conn_reason = reason;
	}
}

bool
dhd_prec_enq(dhd_pub_t *dhdp, struct pktq *q, void *pkt, int prec)
{
	void *p;
	int eprec = -1;		/* precedence to evict from */
	bool discard_oldest;

	/* Fast case, precedence queue is not full and we are also not
	 * exceeding total queue length
	 */
	if (!pktq_pfull(q, prec) && !pktq_full(q)) {
		pktq_penq(q, prec, pkt);
		return TRUE;
	}

	/* Determine precedence from which to evict packet, if any */
	if (pktq_pfull(q, prec))
		eprec = prec;
	else if (pktq_full(q)) {
		p = pktq_peek_tail(q, &eprec);
		ASSERT(p);
		if (eprec > prec)
			return FALSE;
	}

	/* Evict if needed */
	if (eprec >= 0) {
		/* Detect queueing to unconfigured precedence */
		ASSERT(!pktq_pempty(q, eprec));
		discard_oldest = AC_BITMAP_TST(dhdp->wme_dp, eprec);
		if (eprec == prec && !discard_oldest)
			return FALSE;		/* refuse newer (incoming) packet */
		/* Evict packet according to discard policy */
		p = discard_oldest ? pktq_pdeq(q, eprec) : pktq_pdeq_tail(q, eprec);
		if (p == NULL) {
			DHD_ERROR(("%s: pktq_penq() failed, oldest %d.",
				__FUNCTION__, discard_oldest));
			ASSERT(p);
		}

		PKTFREE(dhdp->osh, p, TRUE);
	}

	/* Enqueue */
	p = pktq_penq(q, prec, pkt);
	if (p == NULL) {
		DHD_ERROR(("%s: pktq_penq() failed.", __FUNCTION__));
		ASSERT(p);
	}

	return TRUE;
}

static int
dhd_iovar_op(dhd_pub_t *dhd_pub, const char *name,
             void *params, int plen, void *arg, int len, bool set)
{
	int bcmerror = 0;
	int val_size;
	const bcm_iovar_t *vi = NULL;
	uint32 actionid;

	DHD_TRACE(("%s: Enter\n", __FUNCTION__));

	ASSERT(name);
	ASSERT(len >= 0);

	/* Get MUST have return space */
	ASSERT(set || (arg && len));

	/* Set does NOT take qualifiers */
	ASSERT(!set || (!params && !plen));

	if ((vi = bcm_iovar_lookup(dhd_iovars, name)) == NULL) {
		bcmerror = BCME_UNSUPPORTED;
		goto exit;
	}

	DHD_CTL(("%s: %s %s, len %d plen %d\n", __FUNCTION__,
	         name, (set ? "set" : "get"), len, plen));

	/* set up 'params' pointer in case this is a set command so that
	 * the convenience int and bool code can be common to set and get
	 */
	if (params == NULL) {
		params = arg;
		plen = len;
	}

	if (vi->type == IOVT_VOID)
		val_size = 0;
	else if (vi->type == IOVT_BUFFER)
		val_size = len;
	else
		/* all other types are integer sized */
		val_size = sizeof(int);

	actionid = set ? IOV_SVAL(vi->varid) : IOV_GVAL(vi->varid);
	bcmerror = dhd_doiovar(dhd_pub, vi, actionid, name, params, plen, arg, len, val_size);

exit:
	return bcmerror;
}

int
dhd_ioctl(dhd_pub_t *dhd_pub, dhd_ioctl_t *ioc, void *buf, uint buflen)
{
	int bcmerror = 0;

	DHD_TRACE(("%s: Enter\n", __FUNCTION__));

	if (!buf) return BCME_BADARG;

	switch (ioc->cmd) {
	case DHD_GET_MAGIC:
		if (buflen < sizeof(int))
			bcmerror = BCME_BUFTOOSHORT;
		else
			*(int*)buf = DHD_IOCTL_MAGIC;
		break;

	case DHD_GET_VERSION:
		if (buflen < sizeof(int))
			bcmerror = -BCME_BUFTOOSHORT;
		else
			*(int*)buf = DHD_IOCTL_VERSION;
		break;

	case DHD_GET_VAR:
	case DHD_SET_VAR: {
		char *arg;
		uint arglen;

		/* scan past the name to any arguments */
		for (arg = buf, arglen = buflen; *arg && arglen; arg++, arglen--);

		if (*arg) {
			bcmerror = BCME_BUFTOOSHORT;
			break;
		}

		/* account for the NUL terminator */
		arg++, arglen--;

		/* call with the appropriate arguments */
		if (ioc->cmd == DHD_GET_VAR)
			bcmerror = dhd_iovar_op(dhd_pub, buf, arg, arglen,
			buf, buflen, IOV_GET);
		else
			bcmerror = dhd_iovar_op(dhd_pub, buf, NULL, 0, arg, arglen, IOV_SET);
		if (bcmerror != BCME_UNSUPPORTED)
			break;

		/* not in generic table, try protocol module */
		if (ioc->cmd == DHD_GET_VAR)
			bcmerror = dhd_prot_iovar_op(dhd_pub, buf, arg,
			                             arglen, buf, buflen, IOV_GET);
		else
			bcmerror = dhd_prot_iovar_op(dhd_pub, buf,
			                             NULL, 0, arg, arglen, IOV_SET);
		if (bcmerror != BCME_UNSUPPORTED)
			break;

		/* if still not found, try bus module */
		if (ioc->cmd == DHD_GET_VAR)
			bcmerror = dhd_bus_iovar_op(dhd_pub, buf,
			                            arg, arglen, buf, buflen, IOV_GET);
		else
			bcmerror = dhd_bus_iovar_op(dhd_pub, buf,
			                            NULL, 0, arg, arglen, IOV_SET);

		break;
	}

	default:
		bcmerror = BCME_UNSUPPORTED;
	}

	return bcmerror;
}

#ifdef APSTA_PINGTEST
struct ether_addr guest_eas[MAX_GUEST];
#endif

#ifdef SHOW_EVENTS
static void
wl_show_host_event(wl_event_msg_t *event, void *event_data)
{
	uint i, status, reason;
	bool group = FALSE, flush_txq = FALSE, link = FALSE;
	char *auth_str, *event_name;
	uchar *buf;
	char err_msg[256], eabuf[ETHER_ADDR_STR_LEN];
	static struct {uint event; char *event_name;} event_names[] = {
		{WLC_E_SET_SSID, "SET_SSID"},
		{WLC_E_JOIN, "JOIN"},
		{WLC_E_START, "START"},
		{WLC_E_AUTH, "AUTH"},
		{WLC_E_AUTH_IND, "AUTH_IND"},
		{WLC_E_DEAUTH, "DEAUTH"},
		{WLC_E_DEAUTH_IND, "DEAUTH_IND"},
		{WLC_E_ASSOC, "ASSOC"},
		{WLC_E_ASSOC_IND, "ASSOC_IND"},
		{WLC_E_REASSOC, "REASSOC"},
		{WLC_E_REASSOC_IND, "REASSOC_IND"},
		{WLC_E_DISASSOC, "DISASSOC"},
		{WLC_E_DISASSOC_IND, "DISASSOC_IND"},
		{WLC_E_QUIET_START, "START_QUIET"},
		{WLC_E_QUIET_END, "END_QUIET"},
		{WLC_E_BEACON_RX, "BEACON_RX"},
		{WLC_E_LINK, "LINK"},
		{WLC_E_MIC_ERROR, "MIC_ERROR"},
		{WLC_E_NDIS_LINK, "NDIS_LINK"},
		{WLC_E_ROAM, "ROAM"},
		{WLC_E_TXFAIL, "TXFAIL"},
		{WLC_E_PMKID_CACHE, "PMKID_CACHE"},
		{WLC_E_RETROGRADE_TSF, "RETROGRADE_TSF"},
		{WLC_E_PRUNE, "PRUNE"},
		{WLC_E_AUTOAUTH, "AUTOAUTH"},
		{WLC_E_EAPOL_MSG, "EAPOL_MSG"},
		{WLC_E_SCAN_COMPLETE, "SCAN_COMPLETE"},
		{WLC_E_ADDTS_IND, "ADDTS_IND"},
		{WLC_E_DELTS_IND, "DELTS_IND"},
		{WLC_E_BCNSENT_IND, "BCNSENT_IND"},
		{WLC_E_BCNRX_MSG, "BCNRX_MSG"},
		{WLC_E_BCNLOST_MSG, "BCNLOST_MSG"},
		{WLC_E_ROAM_PREP, "ROAM_PREP"},
		{WLC_E_PFN_NET_FOUND, "PNO_NET_FOUND"},
		{WLC_E_PFN_NET_LOST, "PNO_NET_LOST"},
		{WLC_E_RESET_COMPLETE, "RESET_COMPLETE"},
		{WLC_E_JOIN_START, "JOIN_START"},
		{WLC_E_ROAM_START, "ROAM_START"},
		{WLC_E_ASSOC_START, "ASSOC_START"},
		{WLC_E_IBSS_ASSOC, "IBSS_ASSOC"},
		{WLC_E_RADIO, "RADIO"},
		{WLC_E_PSM_WATCHDOG, "PSM_WATCHDOG"},
		{WLC_E_PROBREQ_MSG, "PROBREQ_MSG"},
		{WLC_E_SCAN_CONFIRM_IND, "SCAN_CONFIRM_IND"},
		{WLC_E_PSK_SUP, "PSK_SUP"},
		{WLC_E_COUNTRY_CODE_CHANGED, "COUNTRY_CODE_CHANGED"},
		{WLC_E_EXCEEDED_MEDIUM_TIME, "EXCEEDED_MEDIUM_TIME"},
		{WLC_E_ICV_ERROR, "ICV_ERROR"},
		{WLC_E_UNICAST_DECODE_ERROR, "UNICAST_DECODE_ERROR"},
		{WLC_E_MULTICAST_DECODE_ERROR, "MULTICAST_DECODE_ERROR"},
		{WLC_E_TRACE, "TRACE"},
		{WLC_E_ACTION_FRAME, "ACTION FRAME"},
		{WLC_E_ACTION_FRAME_COMPLETE, "ACTION FRAME TX COMPLETE"},
		{WLC_E_IF, "IF"},
		{WLC_E_RSSI, "RSSI"},
		{WLC_E_PFN_SCAN_COMPLETE, "SCAN_COMPLETE"}
	};
	uint event_type, flags, auth_type, datalen;
	event_type = ntoh32(event->event_type);
	flags = ntoh16(event->flags);
	status = ntoh32(event->status);
	reason = ntoh32(event->reason);
	auth_type = ntoh32(event->auth_type);
	datalen = ntoh32(event->datalen);
	/* debug dump of event messages */
	sprintf(eabuf, "%02x:%02x:%02x:%02x:%02x:%02x",
	        (uchar)event->addr.octet[0]&0xff,
	        (uchar)event->addr.octet[1]&0xff,
	        (uchar)event->addr.octet[2]&0xff,
	        (uchar)event->addr.octet[3]&0xff,
	        (uchar)event->addr.octet[4]&0xff,
	        (uchar)event->addr.octet[5]&0xff);

	event_name = "UNKNOWN";
	for (i = 0; i < ARRAYSIZE(event_names); i++) {
		if (event_names[i].event == event_type)
			event_name = event_names[i].event_name;
	}

	DHD_EVENT(("EVENT: %s, event ID = %d\n", event_name, event_type));

	if (flags & WLC_EVENT_MSG_LINK)
		link = TRUE;
	if (flags & WLC_EVENT_MSG_GROUP)
		group = TRUE;
	if (flags & WLC_EVENT_MSG_FLUSHTXQ)
		flush_txq = TRUE;

	switch (event_type) {
	case WLC_E_START:
	case WLC_E_DEAUTH:
	case WLC_E_DISASSOC:
		DHD_EVENT(("MACEVENT: %s, MAC %s\n", event_name, eabuf));
		break;

	case WLC_E_ASSOC_IND:
	case WLC_E_REASSOC_IND:
#ifdef APSTA_PINGTEST
		{
			int i;
			for (i = 0; i < MAX_GUEST; ++i)
				if (ETHER_ISNULLADDR(&guest_eas[i]))
					break;
			if (i < MAX_GUEST)
				bcopy(event->addr.octet, guest_eas[i].octet, ETHER_ADDR_LEN);
		}
#endif /* APSTA_PINGTEST */
		DHD_EVENT(("MACEVENT: %s, MAC %s\n", event_name, eabuf));
		break;

	case WLC_E_ASSOC:
	case WLC_E_REASSOC:
		if (status == WLC_E_STATUS_SUCCESS) {
			DHD_EVENT(("MACEVENT: %s, MAC %s, SUCCESS\n", event_name, eabuf));
		} else if (status == WLC_E_STATUS_TIMEOUT) {
			DHD_EVENT(("MACEVENT: %s, MAC %s, TIMEOUT\n", event_name, eabuf));
		} else if (status == WLC_E_STATUS_FAIL) {
			DHD_EVENT(("MACEVENT: %s, MAC %s, FAILURE, reason %d\n",
			       event_name, eabuf, (int)reason));
		} else {
			DHD_EVENT(("MACEVENT: %s, MAC %s, unexpected status %d\n",
			       event_name, eabuf, (int)status));
		}
		break;

	case WLC_E_DEAUTH_IND:
	case WLC_E_DISASSOC_IND:
#ifdef APSTA_PINGTEST
		{
			int i;
			for (i = 0; i < MAX_GUEST; ++i) {
				if (bcmp(guest_eas[i].octet, event->addr.octet,
				         ETHER_ADDR_LEN) == 0) {
					bzero(guest_eas[i].octet, ETHER_ADDR_LEN);
					break;
				}
			}
		}
#endif /* APSTA_PINGTEST */
		DHD_EVENT(("MACEVENT: %s, MAC %s, reason %d\n", event_name, eabuf, (int)reason));
		break;

	case WLC_E_AUTH:
	case WLC_E_AUTH_IND:
		if (auth_type == DOT11_OPEN_SYSTEM)
			auth_str = "Open System";
		else if (auth_type == DOT11_SHARED_KEY)
			auth_str = "Shared Key";
		else {
			sprintf(err_msg, "AUTH unknown: %d", (int)auth_type);
			auth_str = err_msg;
		}
		if (event_type == WLC_E_AUTH_IND) {
			DHD_EVENT(("MACEVENT: %s, MAC %s, %s\n", event_name, eabuf, auth_str));
		} else if (status == WLC_E_STATUS_SUCCESS) {
			DHD_EVENT(("MACEVENT: %s, MAC %s, %s, SUCCESS\n",
				event_name, eabuf, auth_str));
		} else if (status == WLC_E_STATUS_TIMEOUT) {
			DHD_EVENT(("MACEVENT: %s, MAC %s, %s, TIMEOUT\n",
				event_name, eabuf, auth_str));
		} else if (status == WLC_E_STATUS_FAIL) {
			DHD_EVENT(("MACEVENT: %s, MAC %s, %s, FAILURE, reason %d\n",
			       event_name, eabuf, auth_str, (int)reason));
		}

		break;

	case WLC_E_JOIN:
	case WLC_E_ROAM:
	case WLC_E_SET_SSID:
		if (status == WLC_E_STATUS_SUCCESS) {
			DHD_EVENT(("MACEVENT: %s, MAC %s\n", event_name, eabuf));
		} else if (status == WLC_E_STATUS_FAIL) {
			DHD_EVENT(("MACEVENT: %s, failed\n", event_name));
		} else if (status == WLC_E_STATUS_NO_NETWORKS) {
			DHD_EVENT(("MACEVENT: %s, no networks found\n", event_name));
		} else {
			DHD_EVENT(("MACEVENT: %s, unexpected status %d\n",
				event_name, (int)status));
		}
		break;

	case WLC_E_BEACON_RX:
		if (status == WLC_E_STATUS_SUCCESS) {
			DHD_EVENT(("MACEVENT: %s, SUCCESS\n", event_name));
		} else if (status == WLC_E_STATUS_FAIL) {
			DHD_EVENT(("MACEVENT: %s, FAIL\n", event_name));
		} else {
			DHD_EVENT(("MACEVENT: %s, status %d\n", event_name, status));
		}
		break;

	case WLC_E_LINK:
		DHD_EVENT(("MACEVENT: %s %s\n", event_name, link?"UP":"DOWN"));
		break;

	case WLC_E_MIC_ERROR:
		DHD_EVENT(("MACEVENT: %s, MAC %s, Group %d, Flush %d\n",
		       event_name, eabuf, group, flush_txq));
		break;

	case WLC_E_ICV_ERROR:
	case WLC_E_UNICAST_DECODE_ERROR:
	case WLC_E_MULTICAST_DECODE_ERROR:
		DHD_EVENT(("MACEVENT: %s, MAC %s\n",
		       event_name, eabuf));
		break;

	case WLC_E_TXFAIL:
		DHD_EVENT(("MACEVENT: %s, RA %s\n", event_name, eabuf));
		break;

	case WLC_E_SCAN_COMPLETE:
	case WLC_E_PMKID_CACHE:
		DHD_EVENT(("MACEVENT: %s\n", event_name));
		break;

	case WLC_E_PFN_NET_FOUND:
	case WLC_E_PFN_NET_LOST:
	case WLC_E_PFN_SCAN_COMPLETE:
		DHD_EVENT(("PNOEVENT: %s\n", event_name));
		break;

	case WLC_E_PSK_SUP:
	case WLC_E_PRUNE:
		DHD_EVENT(("MACEVENT: %s, status %d, reason %d\n",
		           event_name, (int)status, (int)reason));
		break;

	case WLC_E_TRACE:
		{
			static uint32 seqnum_prev = 0;
			msgtrace_hdr_t hdr;
			uint32 nblost;
			char *s, *p;

			buf = (uchar *) event_data;
			memcpy(&hdr, buf, MSGTRACE_HDRLEN);

			if (hdr.version != MSGTRACE_VERSION) {
				printf("\nMACEVENT: %s [unsupported version --> "
				       "dhd version:%d dongle version:%d]\n",
				       event_name, MSGTRACE_VERSION, hdr.version);
				/* Reset datalen to avoid display below */
				datalen = 0;
				break;
			}

			/* There are 2 bytes available at the end of data */
			buf[MSGTRACE_HDRLEN + ntoh16(hdr.len)] = '\0';

			if (ntoh32(hdr.discarded_bytes) || ntoh32(hdr.discarded_printf)) {
				printf("\nWLC_E_TRACE: [Discarded traces in dongle -->"
				       "discarded_bytes %d discarded_printf %d]\n",
				       ntoh32(hdr.discarded_bytes), ntoh32(hdr.discarded_printf));
			}

			nblost = ntoh32(hdr.seqnum) - seqnum_prev - 1;
			if (nblost > 0) {
				printf("\nWLC_E_TRACE: [Event lost --> seqnum %d nblost %d\n",
				        ntoh32(hdr.seqnum), nblost);
			}
			seqnum_prev = ntoh32(hdr.seqnum);

			/* Display the trace buffer. Advance from \n to \n to avoid display big
			 * printf (issue with Linux printk )
			 */
			p = (char *)&buf[MSGTRACE_HDRLEN];
			while ((s = strstr(p, "\n")) != NULL) {
				*s = '\0';
				printf("%s\n", p);
				p = s + 1;
			}
			printf("%s\n", p);

			/* Reset datalen to avoid display below */
			datalen = 0;
		}
		break;


	case WLC_E_RSSI:
		DHD_EVENT(("MACEVENT: %s %d\n", event_name, ntoh32(*((int *)event_data))));
		break;

	default:
		DHD_EVENT(("MACEVENT: %s %d, MAC %s, status %d, reason %d, auth %d\n",
		       event_name, event_type, eabuf, (int)status, (int)reason,
		       (int)auth_type));
		break;
	}

	/* show any appended data */
	if (datalen) {
		buf = (uchar *) event_data;
		DHD_EVENT((" data (%d) : ", datalen));
		for (i = 0; i < datalen; i++)
			DHD_EVENT((" 0x%02x ", *buf++));
		DHD_EVENT(("\n"));
	}
}
#endif /* SHOW_EVENTS */

int
wl_host_event(struct dhd_info *dhd, int *ifidx, void *pktdata,
              wl_event_msg_t *event, void **data_ptr)
{
	/* check whether packet is a BRCM event pkt */
	bcm_event_t *pvt_data = (bcm_event_t *)pktdata;
	char *event_data;
	uint32 type, status;
	uint16 flags;
	int evlen;

	if (bcmp(BRCM_OUI, &pvt_data->bcm_hdr.oui[0], DOT11_OUI_LEN)) {
		DHD_ERROR(("%s: mismatched OUI, bailing\n", __FUNCTION__));
		return (BCME_ERROR);
	}

	/* BRCM event pkt may be unaligned - use xxx_ua to load user_subtype. */
	if (ntoh16_ua((void *)&pvt_data->bcm_hdr.usr_subtype) != BCMILCP_BCM_SUBTYPE_EVENT) {
		DHD_ERROR(("%s: mismatched subtype, bailing\n", __FUNCTION__));
		return (BCME_ERROR);
	}

	*data_ptr = &pvt_data[1];
	event_data = *data_ptr;

	/* memcpy since BRCM event pkt may be unaligned. */
	memcpy(event, &pvt_data->event, sizeof(wl_event_msg_t));

	type = ntoh32_ua((void *)&event->event_type);
	flags = ntoh16_ua((void *)&event->flags);
	status = ntoh32_ua((void *)&event->status);
	evlen = ntoh32_ua((void *)&event->datalen) + sizeof(bcm_event_t);

	switch (type) {
		case WLC_E_IF:
			{
				dhd_if_event_t *ifevent = (dhd_if_event_t *)event_data;
				DHD_TRACE(("%s: if event\n", __FUNCTION__));

				if (ifevent->ifidx > 0 && ifevent->ifidx < DHD_MAX_IFS)
				{
					if (ifevent->action == WLC_E_IF_ADD)
						dhd_add_if(dhd, ifevent->ifidx,
							NULL, event->ifname,
							pvt_data->eth.ether_dhost,
							ifevent->flags, ifevent->bssidx);
					else
						dhd_del_if(dhd, ifevent->ifidx);
				} else {
					DHD_ERROR(("%s: Invalid ifidx %d for %s\n",
						__FUNCTION__, ifevent->ifidx, event->ifname));
				}
			}
			/* send up the if event: btamp user needs it */
			*ifidx = dhd_ifname2idx(dhd, event->ifname);
			/* push up to external supp/auth */
			dhd_event(dhd, (char *)pvt_data, evlen, *ifidx);
			break;


#ifdef P2P
		case WLC_E_NDIS_LINK:
			break;
#endif
		/* fall through */
		/* These are what external supplicant/authenticator wants */
		case WLC_E_LINK:
		case WLC_E_ASSOC_IND:
		case WLC_E_REASSOC_IND:
		case WLC_E_DISASSOC_IND:
		case WLC_E_MIC_ERROR:
		default:
		/* Fall through: this should get _everything_  */

			*ifidx = dhd_ifname2idx(dhd, event->ifname);
			/* push up to external supp/auth */
			dhd_event(dhd, (char *)pvt_data, evlen, *ifidx);
			DHD_TRACE(("%s: MAC event %d, flags %x, status %x\n",
			           __FUNCTION__, type, flags, status));

			/* put it back to WLC_E_NDIS_LINK */
			if (type == WLC_E_NDIS_LINK) {
				uint32 temp;

				temp = ntoh32_ua((void *)&event->event_type);
				DHD_TRACE(("Converted to WLC_E_LINK type %d\n", temp));

				temp = ntoh32(WLC_E_NDIS_LINK);
				memcpy((void *)(&pvt_data->event.event_type), &temp,
					sizeof(pvt_data->event.event_type));
			}
			break;
	}

#ifdef SHOW_EVENTS
	wl_show_host_event(event, event_data);
#endif /* SHOW_EVENTS */

	return (BCME_OK);
}


void
wl_event_to_host_order(wl_event_msg_t *evt)
{
	/* Event struct members passed from dongle to host are stored in network
	 * byte order. Convert all members to host-order.
	 */
	evt->event_type = ntoh32(evt->event_type);
	evt->flags = ntoh16(evt->flags);
	evt->status = ntoh32(evt->status);
	evt->reason = ntoh32(evt->reason);
	evt->auth_type = ntoh32(evt->auth_type);
	evt->datalen = ntoh32(evt->datalen);
	evt->version = ntoh16(evt->version);
}