diff options
Diffstat (limited to 'net/mac80211')
| -rw-r--r-- | net/mac80211/event.c | 17 | ||||
| -rw-r--r-- | net/mac80211/ieee80211_i.h | 2 | ||||
| -rw-r--r-- | net/mac80211/rx.c | 2 | ||||
| -rw-r--r-- | net/mac80211/wpa.c | 2 |
4 files changed, 12 insertions, 11 deletions
diff --git a/net/mac80211/event.c b/net/mac80211/event.c index 0d95561c0ee0..f288d01a6344 100644 --- a/net/mac80211/event.c +++ b/net/mac80211/event.c @@ -12,12 +12,12 @@ #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 + * Indicate a failed Michael MIC to userspace. If the caller knows the TSC of + * the frame that generated the MIC failure (i.e., if it was provided by the + * driver or is still in the frame), it should provide that information. */ void mac80211_ev_michael_mic_failure(struct ieee80211_sub_if_data *sdata, int keyidx, - struct ieee80211_hdr *hdr) + struct ieee80211_hdr *hdr, const u8 *tsc) { union iwreq_data wrqu; char *buf = kmalloc(128, GFP_ATOMIC); @@ -34,8 +34,9 @@ void mac80211_ev_michael_mic_failure(struct ieee80211_sub_if_data *sdata, int ke kfree(buf); } - /* - * TODO: re-add support for sending MIC failure indication - * with all info via nl80211 - */ + cfg80211_michael_mic_failure(sdata->dev, hdr->addr2, + (hdr->addr1[0] & 0x01) ? + NL80211_KEYTYPE_GROUP : + NL80211_KEYTYPE_PAIRWISE, + keyidx, tsc); } diff --git a/net/mac80211/ieee80211_i.h b/net/mac80211/ieee80211_i.h index e6ed78cb16b3..312347d102c8 100644 --- a/net/mac80211/ieee80211_i.h +++ b/net/mac80211/ieee80211_i.h @@ -1060,7 +1060,7 @@ u8 *ieee80211_get_bssid(struct ieee80211_hdr *hdr, size_t len, int ieee80211_frame_duration(struct ieee80211_local *local, size_t len, int rate, int erp, int short_preamble); void mac80211_ev_michael_mic_failure(struct ieee80211_sub_if_data *sdata, int keyidx, - struct ieee80211_hdr *hdr); + struct ieee80211_hdr *hdr, const u8 *tsc); void ieee80211_set_wmm_default(struct ieee80211_sub_if_data *sdata); void ieee80211_tx_skb(struct ieee80211_sub_if_data *sdata, struct sk_buff *skb, int encrypt); diff --git a/net/mac80211/rx.c b/net/mac80211/rx.c index 5fa7aedd90ed..19c4b4589fee 100644 --- a/net/mac80211/rx.c +++ b/net/mac80211/rx.c @@ -1932,7 +1932,7 @@ static void ieee80211_rx_michael_mic_report(struct net_device *dev, !ieee80211_is_auth(hdr->frame_control)) goto ignore; - mac80211_ev_michael_mic_failure(rx->sdata, keyidx, hdr); + mac80211_ev_michael_mic_failure(rx->sdata, keyidx, hdr, NULL); ignore: dev_kfree_skb(rx->skb); rx->skb = NULL; diff --git a/net/mac80211/wpa.c b/net/mac80211/wpa.c index 4f8bfea278f2..dcfae8884b86 100644 --- a/net/mac80211/wpa.c +++ b/net/mac80211/wpa.c @@ -122,7 +122,7 @@ ieee80211_rx_h_michael_mic_verify(struct ieee80211_rx_data *rx) return RX_DROP_UNUSABLE; mac80211_ev_michael_mic_failure(rx->sdata, rx->key->conf.keyidx, - (void *) skb->data); + (void *) skb->data, NULL); return RX_DROP_UNUSABLE; } |
