projects / deliverable / linux.git / blame
| Commit | Line | Data |
|---|---|---|
| eb063c17 JB |
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 | ||
| eb063c17 JB |
11 | #include <net/iw_handler.h> |
| 12 | #include "ieee80211_i.h" | |
| 13 | ||
| 14 | /* | |
| 15 | * indicate a failed Michael MIC to userspace; the passed packet | |
| 16 | * (in the variable hdr) must be long enough to extract the TKIP | |
| 17 | * fields like TSC | |
| 18 | */ | |
| f698d856 | 19 | void mac80211_ev_michael_mic_failure(struct ieee80211_sub_if_data *sdata, int keyidx, |
| eb063c17 JB |
20 | struct ieee80211_hdr *hdr) |
| 21 | { | |
| 22 | union iwreq_data wrqu; | |
| 23 | char *buf = kmalloc(128, GFP_ATOMIC); | |
| 0795af57 | 24 | DECLARE_MAC_BUF(mac); |
| eb063c17 JB |
25 | |
| 26 | if (buf) { | |
| 27 | /* TODO: needed parameters: count, key type, TSC */ | |
| 28 | sprintf(buf, "MLME-MICHAELMICFAILURE.indication(" | |
| 0795af57 | 29 | "keyid=%d %scast addr=%s)", |
| eb063c17 | 30 | keyidx, hdr->addr1[0] & 0x01 ? "broad" : "uni", |
| 0795af57 | 31 | print_mac(mac, hdr->addr2)); |
| eb063c17 JB |
32 | memset(&wrqu, 0, sizeof(wrqu)); |
| 33 | wrqu.data.length = strlen(buf); | |
| f698d856 | 34 | wireless_send_event(sdata->dev, IWEVCUSTOM, &wrqu, buf); |
| eb063c17 JB |
35 | kfree(buf); |
| 36 | } | |
| 37 | ||
| 38 | /* | |
| 39 | * TODO: re-add support for sending MIC failure indication | |
| 40 | * with all info via nl80211 | |
| 41 | */ | |
| 42 | } |