From: Florian Schilhabel <florian.c.schilhabel@xxxxxxxxxxxxxx>
Signed-off-by: Florian Schilhabel <florian.c.schilhabel@xxxxxxxxxxxxxx>
Signed-off-by: Greg Kroah-Hartman <gregkh@xxxxxxx>
---
drivers/staging/rtl8192su/ieee80211/ieee80211.h | 1 +
.../staging/rtl8192su/ieee80211/ieee80211_crypt.h | 2 +-
.../rtl8192su/ieee80211/ieee80211_crypt_tkip.c | 9 +++++++--
drivers/staging/rtl8192su/ieee80211/ieee80211_rx.c | 2 +-
4 files changed, 10 insertions(+), 4 deletions(-)
diff --git a/drivers/staging/rtl8192su/ieee80211/ieee80211.h b/drivers/staging/rtl8192su/ieee80211/ieee80211.h
index 2c860db..1c14adb 100644
--- a/drivers/staging/rtl8192su/ieee80211/ieee80211.h
+++ b/drivers/staging/rtl8192su/ieee80211/ieee80211.h
@@ -1141,6 +1141,7 @@ struct ieee80211_device {
/* hw security related */
u8 hwsec_active;
bool is_silent_reset;
+ bool force_mic_error;
bool is_roaming;
bool ieee_up;
bool bSupportRemoteWakeUp;
diff --git a/drivers/staging/rtl8192su/ieee80211/ieee80211_crypt.h b/drivers/staging/rtl8192su/ieee80211/ieee80211_crypt.h
index b58a3bc..42e52ae 100644
--- a/drivers/staging/rtl8192su/ieee80211/ieee80211_crypt.h
+++ b/drivers/staging/rtl8192su/ieee80211/ieee80211_crypt.h
@@ -49,7 +49,7 @@ struct ieee80211_crypto_ops {
* These can be NULL if full MSDU operations are not needed. */
int (*encrypt_msdu)(struct sk_buff *skb, int hdr_len, void *priv);
int (*decrypt_msdu)(struct sk_buff *skb, int keyidx, int hdr_len,
- void *priv);
+ void *priv, struct ieee80211_device* ieee);
int (*set_key)(void *key, int len, u8 *seq, void *priv);
int (*get_key)(void *key, int len, u8 *seq, void *priv);
diff --git a/drivers/staging/rtl8192su/ieee80211/ieee80211_crypt_tkip.c b/drivers/staging/rtl8192su/ieee80211/ieee80211_crypt_tkip.c
index c8f5ecf..5ab94a9 100644
--- a/drivers/staging/rtl8192su/ieee80211/ieee80211_crypt_tkip.c
+++ b/drivers/staging/rtl8192su/ieee80211/ieee80211_crypt_tkip.c
@@ -604,7 +604,7 @@ static void ieee80211_michael_mic_failure(struct net_device *dev,
}
static int ieee80211_michael_mic_verify(struct sk_buff *skb, int keyidx,
- int hdr_len, void *priv)
+ int hdr_len, void *priv, struct ieee80211_device* ieee)
{
struct ieee80211_tkip_data *tkey = priv;
u8 mic[8];
@@ -630,9 +630,14 @@ static int ieee80211_michael_mic_verify(struct sk_buff *skb, int keyidx,
"MSDU from %pM keyidx=%d\n",
skb->dev ? skb->dev->name : "N/A", hdr->addr2,
keyidx);
- if (skb->dev)
+ printk("%d, force_mic_error = %d\n", (memcmp(mic, skb->data + skb->len - 8, 8) != 0),\
+ ieee->force_mic_error);
+ if (skb->dev) {
+ printk("skb->dev != NULL\n");
ieee80211_michael_mic_failure(skb->dev, hdr, keyidx);
+ }
tkey->dot11RSNAStatsTKIPLocalMICFailures++;
+ ieee->force_mic_error = false;
return -1;
}
diff --git a/drivers/staging/rtl8192su/ieee80211/ieee80211_rx.c b/drivers/staging/rtl8192su/ieee80211/ieee80211_rx.c
index 1f2bc7a..09a02f7 100644
--- a/drivers/staging/rtl8192su/ieee80211/ieee80211_rx.c
+++ b/drivers/staging/rtl8192su/ieee80211/ieee80211_rx.c
@@ -360,7 +360,7 @@ ieee80211_rx_frame_decrypt_msdu(struct ieee80211_device* ieee, struct sk_buff *s
hdrlen = ieee80211_get_hdrlen(le16_to_cpu(hdr->frame_ctl));
atomic_inc(&crypt->refcnt);
- res = crypt->ops->decrypt_msdu(skb, keyidx, hdrlen, crypt->priv);
+ res = crypt->ops->decrypt_msdu(skb, keyidx, hdrlen, crypt->priv,ieee);
atomic_dec(&crypt->refcnt);
if (res < 0) {
printk(KERN_DEBUG "%s: MSDU decryption/MIC verification failed"
--
1.7.1
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