[MAC80211]: refactor event sending

Create a new file event.c that will contain code to send mac/mlme
events to userspace. For now put the Michael MIC failure condition
into it and remove sending of that condition via the management
interface, hostapd interestingly doesn't do anything when it gets
such a packet besides printing a message, it reacts only on the
private iwevent.

Signed-off-by: Johannes Berg <johannes@sipsolutions.net>
Acked-by: Michael Wu <flamingice@sourmilk.net>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
Signed-off-by: David S. Miller <davem@davemloft.net>

1 files changed, 4 insertions, 30 deletions

diff --git a/net/mac80211/wpa.c b/net/mac80211/wpa.c
index f5723ea15aae..742b5585d1b7 100644
--- a/net/mac80211/wpa.c
+++ b/net/mac80211/wpa.c
@@ -11,10 +11,8 @@
 #include <linux/slab.h>
 #include <linux/skbuff.h>
 #include <linux/compiler.h>
-#include <net/iw_handler.h>
-
 #include <net/mac80211.h>
-#include "ieee80211_common.h"
+
 #include "ieee80211_i.h"
 #include "michael.h"
 #include "tkip.h"
@@ -181,33 +179,9 @@ ieee80211_rx_h_michael_mic_verify(struct ieee80211_txrx_data *rx)
                 printk(KERN_DEBUG "%s: invalid Michael MIC in data frame from "
                        MAC_FMT "\n", rx->dev->name, MAC_ARG(sa));
 
-                do {
-                        struct ieee80211_hdr *hdr;
-                        union iwreq_data wrqu;
-                        char *buf = kmalloc(128, GFP_ATOMIC);
-                        if (!buf)
-                                break;
-
-                        /* TODO: needed parameters: count, key type, TSC */
-                        hdr = (struct ieee80211_hdr *) skb->data;
-                        sprintf(buf, "MLME-MICHAELMICFAILURE.indication("
-                                "keyid=%d %scast addr=" MAC_FMT ")",
-                                rx->key->keyidx,
-                                hdr->addr1[0] & 0x01 ? "broad" : "uni",
-                                MAC_ARG(hdr->addr2));
-                        memset(&wrqu, 0, sizeof(wrqu));
-                        wrqu.data.length = strlen(buf);
-                        wireless_send_event(rx->dev, IWEVCUSTOM, &wrqu, buf);
-                        kfree(buf);
-                } while (0);
-
-                if (!rx->local->apdev)
-                        return TXRX_DROP;
-
-                ieee80211_rx_mgmt(rx->local, rx->skb, rx->u.rx.status,
-                                  ieee80211_msg_michael_mic_failure);
-
-                return TXRX_QUEUED;
+                mac80211_ev_michael_mic_failure(rx->dev, rx->key->keyidx,
+                                                (void *) skb->data);
+                return TXRX_DROP;
         }
 
  remove_mic: