2 * Copyright 2007 Johannes Berg <johannes@sipsolutions.net>
4 * This program is free software; you can redistribute it and/or modify
5 * it under the terms of the GNU General Public License version 2 as
6 * published by the Free Software Foundation.
11 #include <net/iw_handler.h>
12 #include "ieee80211_i.h"
15 * Indicate a failed Michael MIC to userspace. If the caller knows the TSC of
16 * the frame that generated the MIC failure (i.e., if it was provided by the
17 * driver or is still in the frame), it should provide that information.
19 void mac80211_ev_michael_mic_failure(struct ieee80211_sub_if_data *sdata, int keyidx,
20 struct ieee80211_hdr *hdr, const u8 *tsc)
22 union iwreq_data wrqu;
23 char *buf = kmalloc(128, GFP_ATOMIC);
26 /* TODO: needed parameters: count, key type, TSC */
27 sprintf(buf, "MLME-MICHAELMICFAILURE.indication("
28 "keyid=%d %scast addr=%pM)",
29 keyidx, hdr->addr1[0] & 0x01 ? "broad" : "uni",
31 memset(&wrqu, 0, sizeof(wrqu));
32 wrqu.data.length = strlen(buf);
33 wireless_send_event(sdata->dev, IWEVCUSTOM, &wrqu, buf);
37 cfg80211_michael_mic_failure(sdata->dev, hdr->addr2,
38 (hdr->addr1[0] & 0x01) ?
39 NL80211_KEYTYPE_GROUP :
40 NL80211_KEYTYPE_PAIRWISE,