Linux kernel mirror (for testing)
git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
tjh.dev
kernel
os
linux
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
11#include <linux/netdevice.h>
12#include <net/iw_handler.h>
13#include "ieee80211_i.h"
14
15/*
16 * indicate a failed Michael MIC to userspace; the passed packet
17 * (in the variable hdr) must be long enough to extract the TKIP
18 * fields like TSC
19 */
20void mac80211_ev_michael_mic_failure(struct net_device *dev, int keyidx,
21 struct ieee80211_hdr *hdr)
22{
23 union iwreq_data wrqu;
24 char *buf = kmalloc(128, GFP_ATOMIC);
25 DECLARE_MAC_BUF(mac);
26
27 if (buf) {
28 /* TODO: needed parameters: count, key type, TSC */
29 sprintf(buf, "MLME-MICHAELMICFAILURE.indication("
30 "keyid=%d %scast addr=%s)",
31 keyidx, hdr->addr1[0] & 0x01 ? "broad" : "uni",
32 print_mac(mac, hdr->addr2));
33 memset(&wrqu, 0, sizeof(wrqu));
34 wrqu.data.length = strlen(buf);
35 wireless_send_event(dev, IWEVCUSTOM, &wrqu, buf);
36 kfree(buf);
37 }
38
39 /*
40 * TODO: re-add support for sending MIC failure indication
41 * with all info via nl80211
42 */
43}