diff options
Diffstat (limited to 'net/mac80211/event.c')
| -rw-r--r-- | net/mac80211/event.c | 43 |
1 files changed, 43 insertions, 0 deletions
diff --git a/net/mac80211/event.c b/net/mac80211/event.c new file mode 100644 index 00000000000..2280f40b456 --- /dev/null +++ b/net/mac80211/event.c @@ -0,0 +1,43 @@ +/* + * 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 <linux/netdevice.h> +#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 net_device *dev, 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(dev, IWEVCUSTOM, &wrqu, buf); + kfree(buf); + } + + /* + * TODO: re-add support for sending MIC failure indication + * with all info via nl80211 + */ +} |