Subversion Repositories or1k_soc_on_altera_embedded_dev_kit

/*

 * Copyright 2007       Johannes Berg <johannes@sipsolutions.net>

 *

 * This program is free software; you can redistribute it and/or modify

 * it under the terms of the GNU General Public License version 2 as

 * published by the Free Software Foundation.

 *

 * mac80211 - events

 */

#include <linux/netdevice.h>

#include <net/iw_handler.h>

#include "ieee80211_i.h"

/*

 * indicate a failed Michael MIC to userspace; the passed packet

 * (in the variable hdr) must be long enough to extract the TKIP

 * fields like TSC

 */

void mac80211_ev_michael_mic_failure(struct net_device *dev, int keyidx,

                                     struct ieee80211_hdr *hdr)

{

        union iwreq_data wrqu;

        char *buf = kmalloc(128, GFP_ATOMIC);

        DECLARE_MAC_BUF(mac);

        if (buf) {

                /* TODO: needed parameters: count, key type, TSC */

                sprintf(buf, "MLME-MICHAELMICFAILURE.indication("

                        "keyid=%d %scast addr=%s)",

                        keyidx, hdr->addr1[0] & 0x01 ? "broad" : "uni",

                        print_mac(mac, hdr->addr2));

                memset(&wrqu, 0, sizeof(wrqu));

                wrqu.data.length = strlen(buf);

                wireless_send_event(dev, IWEVCUSTOM, &wrqu, buf);

                kfree(buf);

        }

        /*

         * TODO: re-add support for sending MIC failure indication

         * with all info via nl80211

         */

}