diff options
Diffstat (limited to 'sys/dev/usb/if_otus.c')
| -rw-r--r-- | sys/dev/usb/if_otus.c | 13 |
1 files changed, 11 insertions, 2 deletions
diff --git a/sys/dev/usb/if_otus.c b/sys/dev/usb/if_otus.c index 7b67ace48c7..1f5e5bfe1e3 100644 --- a/sys/dev/usb/if_otus.c +++ b/sys/dev/usb/if_otus.c @@ -1,4 +1,4 @@ -/* $OpenBSD: if_otus.c,v 1.2 2009/03/24 19:18:28 damien Exp $ */ +/* $OpenBSD: if_otus.c,v 1.3 2009/03/24 19:28:31 damien Exp $ */ /*- * Copyright (c) 2009 Damien Bergamini <damien.bergamini@free.fr> @@ -1058,6 +1058,7 @@ otus_sub_rxeof(struct otus_softc *sc, uint8_t *buf, int len) /* Received MPDU. */ if (__predict_false(len < AR_PLCP_HDR_LEN + sizeof (*tail))) { DPRINTF(("MPDU too short %d\n", len)); + ifp->if_ierrors++; return; } tail = (struct ar_rx_tail *)(plcp + len - sizeof (*tail)); @@ -1065,13 +1066,21 @@ otus_sub_rxeof(struct otus_softc *sc, uint8_t *buf, int len) /* Discard error frames. */ if (__predict_false(tail->error != 0)) { DPRINTF(("error frame 0x%02x\n", tail->error)); + if (tail->error & AR_RX_ERROR_MMIC) { + /* Report Michael MIC failures to net80211. */ + ic->ic_stats.is_rx_locmicfail++; + ieee80211_michael_mic_failure(ic, 0); + } + ifp->if_ierrors++; return; } /* Compute MPDU's length. */ mlen = len - AR_PLCP_HDR_LEN - sizeof (*tail); /* Make sure there's room for an 802.11 header + FCS. */ - if (__predict_false(mlen < IEEE80211_MIN_LEN)) + if (__predict_false(mlen < IEEE80211_MIN_LEN)) { + ifp->if_ierrors++; return; + } mlen -= IEEE80211_CRC_LEN; /* strip 802.11 FCS */ wh = (struct ieee80211_frame *)(plcp + AR_PLCP_HDR_LEN); |