diff options
Diffstat (limited to 'net')
| -rw-r--r-- | net/mac80211/rx.c | 25 |
1 files changed, 11 insertions, 14 deletions
diff --git a/net/mac80211/rx.c b/net/mac80211/rx.c index a5619d1f9a3..c985c7a537d 100644 --- a/net/mac80211/rx.c +++ b/net/mac80211/rx.c @@ -1179,8 +1179,6 @@ static void ieee80211_rx_michael_mic_report(struct net_device *dev, else keyidx = -1; - /* TODO: verify that this is not triggered by fragmented - * frames (hw does not verify MIC for them). */ if (net_ratelimit()) printk(KERN_DEBUG "%s: TKIP hwaccel reported Michael MIC " "failure from " MAC_FMT " to " MAC_FMT " keyidx=%d\n", @@ -1188,9 +1186,10 @@ static void ieee80211_rx_michael_mic_report(struct net_device *dev, keyidx); if (!sta) { - /* Some hardware versions seem to generate incorrect - * Michael MIC reports; ignore them to avoid triggering - * countermeasures. */ + /* + * Some hardware seem to generate incorrect Michael MIC + * reports; ignore them to avoid triggering countermeasures. + */ if (net_ratelimit()) printk(KERN_DEBUG "%s: ignored spurious Michael MIC " "error for unknown address " MAC_FMT "\n", @@ -1201,16 +1200,18 @@ static void ieee80211_rx_michael_mic_report(struct net_device *dev, if (!(rx->fc & IEEE80211_FCTL_PROTECTED)) { if (net_ratelimit()) printk(KERN_DEBUG "%s: ignored spurious Michael MIC " - "error for a frame with no ISWEP flag (src " + "error for a frame with no PROTECTED flag (src " MAC_FMT ")\n", dev->name, MAC_ARG(hdr->addr2)); goto ignore; } if (rx->sdata->type == IEEE80211_IF_TYPE_AP && keyidx) { - /* AP with Pairwise keys support should never receive Michael - * MIC errors for non-zero keyidx because these are reserved - * for group keys and only the AP is sending real multicast - * frames in BSS. */ + /* + * APs with pairwise keys should never receive Michael MIC + * errors for non-zero keyidx because these are reserved for + * group keys and only the AP is sending real multicast + * frames in the BSS. + */ if (net_ratelimit()) printk(KERN_DEBUG "%s: ignored Michael MIC error for " "a frame with non-zero keyidx (%d)" @@ -1230,10 +1231,6 @@ static void ieee80211_rx_michael_mic_report(struct net_device *dev, goto ignore; } - /* TODO: consider verifying the MIC error report with software - * implementation if we get too many spurious reports from the - * hardware. */ - mac80211_ev_michael_mic_failure(rx->dev, keyidx, hdr); ignore: dev_kfree_skb(rx->skb); |