/* * 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 */ }