1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
|
/*
* 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);
if (buf) {
/* TODO: needed parameters: count, key type, TSC */
sprintf(buf, "MLME-MICHAELMICFAILURE.indication("
"keyid=%d %scast addr=%pM)",
keyidx, hdr->addr1[0] & 0x01 ? "broad" : "uni",
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
*/
}
|
