| /* |
| * 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 <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 ieee80211_sub_if_data *sdata, 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(sdata->dev, IWEVCUSTOM, &wrqu, buf); |
| kfree(buf); |
| } |
| |
| /* |
| * TODO: re-add support for sending MIC failure indication |
| * with all info via nl80211 |
| */ |
| } |