@@ -618,6 +618,42 @@ qtnf_event_handle_external_auth(struct qtnf_vif *vif,
return ret;
}
+static int
+qtnf_event_handle_mic_failure(struct qtnf_vif *vif,
+ const struct qlink_event_mic_failure *mic_ev,
+ u16 len)
+{
+ struct wiphy *wiphy = priv_to_wiphy(vif->mac);
+ u8 pairwise;
+
+ if (len < sizeof(*mic_ev)) {
+ pr_err("VIF%u.%u: payload is too short (%u < %zu)\n",
+ vif->mac->macid, vif->vifid, len,
+ sizeof(struct qlink_event_mic_failure));
+ return -EINVAL;
+ }
+
+ if (!wiphy->registered || !vif->netdev)
+ return 0;
+
+ if (vif->wdev.iftype != NL80211_IFTYPE_STATION) {
+ pr_err("VIF%u.%u: MIC_FAILURE event when not in STA mode\n",
+ vif->mac->macid, vif->vifid);
+ return -EPROTO;
+ }
+
+ pairwise = mic_ev->pairwise ?
+ NL80211_KEYTYPE_PAIRWISE : NL80211_KEYTYPE_GROUP;
+
+ pr_info("%s: MIC error: src=%pM key_index=%u pairwise=%u\n",
+ vif->netdev->name, mic_ev->src, mic_ev->key_index, pairwise);
+
+ cfg80211_michael_mic_failure(vif->netdev, mic_ev->src, pairwise,
+ mic_ev->key_index, NULL, GFP_KERNEL);
+
+ return 0;
+}
+
static int qtnf_event_parse(struct qtnf_wmac *mac,
const struct sk_buff *event_skb)
{
@@ -680,6 +716,10 @@ static int qtnf_event_parse(struct qtnf_wmac *mac,
ret = qtnf_event_handle_external_auth(vif, (const void *)event,
event_len);
break;
+ case QLINK_EVENT_MIC_FAILURE:
+ ret = qtnf_event_handle_mic_failure(vif, (const void *)event,
+ event_len);
+ break;
default:
pr_warn("unknown event type: %x\n", event_id);
break;
@@ -958,6 +958,7 @@ enum qlink_event_type {
QLINK_EVENT_FREQ_CHANGE = 0x0028,
QLINK_EVENT_RADAR = 0x0029,
QLINK_EVENT_EXTERNAL_AUTH = 0x0030,
+ QLINK_EVENT_MIC_FAILURE = 0x0031,
};
/**
@@ -1151,6 +1152,20 @@ struct qlink_event_external_auth {
u8 action;
} __packed;
+/**
+ * struct qlink_event_mic_failure - data for QLINK_EVENT_MIC_FAILURE event
+ *
+ * @src: source MAC address of the frame
+ * @key_index: index of the key being reported
+ * @pairwise: whether the key is pairwise or group
+ */
+struct qlink_event_mic_failure {
+ struct qlink_event ehdr;
+ u8 src[ETH_ALEN];
+ u8 key_index;
+ u8 pairwise;
+} __packed;
+
/* QLINK TLVs (Type-Length Values) definitions
*/
Report MIC failure from firmware to cfg80211 subsystem using dedicated callback cfg80211_michael_mic_failure. Signed-off-by: Sergey Matyukevich <sergey.matyukevich.os@quantenna.com> --- drivers/net/wireless/quantenna/qtnfmac/event.c | 40 ++++++++++++++++++++++++++ drivers/net/wireless/quantenna/qtnfmac/qlink.h | 15 ++++++++++ 2 files changed, 55 insertions(+)