projects / linux-2.6-block.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 | ||
| 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 | */ | |
| 20 | void 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); | |
| 0795af57 | 25 | DECLARE_MAC_BUF(mac); |
| eb063c17 JB |
26 | |
| 27 | if (buf) { | |
| 28 | /* TODO: needed parameters: count, key type, TSC */ | |
| 29 | sprintf(buf, "MLME-MICHAELMICFAILURE.indication(" | |
| 0795af57 | 30 | "keyid=%d %scast addr=%s)", |
| eb063c17 | 31 | keyidx, hdr->addr1[0] & 0x01 ? "broad" : "uni", |
| 0795af57 | 32 | print_mac(mac, hdr->addr2)); |
| eb063c17 JB |
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 | } |