CORE/HDD/src/wlan_hdd_tdls.c

/*
 * Copyright (c) 2012-2013, The Linux Foundation. All rights reserved.
 *
 * Previously licensed under the ISC license by Qualcomm Atheros, Inc.
 *
 *
 * 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.
 */
/*
 * Copyright (c) 2012-2013, The Linux Foundation. All rights reserved.
 *
 * Previously licensed under the ISC license by Qualcomm Atheros, Inc.
 *
 *
 * 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.
 */


/**========================================================================

  \file  wlan_hdd_tdls.c

  \brief WLAN Host Device Driver implementation for P2P commands interface

  ========================================================================*/

#include <wlan_hdd_includes.h>
#include <wlan_hdd_hostapd.h>
#include <net/cfg80211.h>
#include <linux/netdevice.h>
#include <linux/skbuff.h>
#include <linux/etherdevice.h>
#include <net/ieee80211_radiotap.h>
#include "wlan_hdd_tdls.h"

typedef struct hddTdlsPeerInfo {
    tSirMacAddr peerMac;
    tANI_U16  	staId ;
} hddTdlsPInfo;

static struct {
    hddTdlsPInfo peer;
} hddTdlsPTable[MAX_NUM_TDLS_PEER];

int wlan_hdd_saveTdlsPeer(tCsrRoamInfo *pRoamInfo)
{
    int i;

    for (i = 0; i < MAX_NUM_TDLS_PEER; i++) {
       if (0 == hddTdlsPTable[i].peer.staId) break;

    }

    if (i < MAX_NUM_TDLS_PEER) {
       vos_mem_copy( hddTdlsPTable[i].peer.peerMac, pRoamInfo->peerMac, 6 );
       hddTdlsPTable[i].peer.staId = pRoamInfo->staId;
       VOS_TRACE( VOS_MODULE_ID_HDD, VOS_TRACE_LEVEL_INFO, 
                     "saveTdlsPeer: saved staId %d", pRoamInfo->staId);
       return i;
    }

    VOS_TRACE( VOS_MODULE_ID_HDD, VOS_TRACE_LEVEL_ERROR, 
		 "saveTdlsPeer: NOT saving staId %d", pRoamInfo->staId);
    return -1;
}

int wlan_hdd_findTdlsPeer(tSirMacAddr peerMac)
{
    int i;

    for (i = 0; i < MAX_NUM_TDLS_PEER; i++) {
        if (VOS_TRUE == vos_mem_compare( peerMac, hddTdlsPTable[i].peer.peerMac, 6 ))
	    break;
    }

    if (i < MAX_NUM_TDLS_PEER) {
	VOS_TRACE( VOS_MODULE_ID_HDD, VOS_TRACE_LEVEL_INFO, 
                     "findTdlsPeer: found staId %d", hddTdlsPTable[i].peer.staId);
	return hddTdlsPTable[i].peer.staId;
    }

    VOS_TRACE( VOS_MODULE_ID_HDD, VOS_TRACE_LEVEL_ERROR, 
		"findTdlsPeer: staId NOT found");
    return -1;
}