net/mac80211/event.c

   1 /*
   2  * Copyright 2007       Johannes Berg <johannes@sipsolutions.net>
   3  *
   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.
   7  *
   8  * mac80211 - events
   9  */
  10 #include <net/cfg80211.h>
  11 #include "ieee80211_i.h"
  12
  13 /*
  14  * Indicate a failed Michael MIC to userspace. If the caller knows the TSC of
  15  * the frame that generated the MIC failure (i.e., if it was provided by the
  16  * driver or is still in the frame), it should provide that information.
  17  */
  18 void mac80211_ev_michael_mic_failure(struct ieee80211_sub_if_data *sdata, int keyidx,
  19                                      struct ieee80211_hdr *hdr, const u8 *tsc,
  20                                      gfp_t gfp)
  21 {
  22         cfg80211_michael_mic_failure(sdata->dev, hdr->addr2,
  23                                      (hdr->addr1[0] & 0x01) ?
  24                                      NL80211_KEYTYPE_GROUP :
  25                                      NL80211_KEYTYPE_PAIRWISE,
  26                                      keyidx, tsc, gfp);
  27 }