diff options
Diffstat (limited to 'drivers/staging/rtl8188eu/os_dep/mon.c')
-rw-r--r-- | drivers/staging/rtl8188eu/os_dep/mon.c | 38 |
1 files changed, 31 insertions, 7 deletions
diff --git a/drivers/staging/rtl8188eu/os_dep/mon.c b/drivers/staging/rtl8188eu/os_dep/mon.c index cfe37eb026d6..37fd52d7364f 100644 --- a/drivers/staging/rtl8188eu/os_dep/mon.c +++ b/drivers/staging/rtl8188eu/os_dep/mon.c @@ -53,7 +53,7 @@ static void mon_recv_decrypted(struct net_device *dev, const u8 *data, skb = netdev_alloc_skb(dev, data_len); if (!skb) return; - memcpy(skb_put(skb, data_len), data, data_len); + skb_put_data(skb, data, data_len); /* * Frame data is not encrypted. Strip off protection so @@ -66,6 +66,34 @@ static void mon_recv_decrypted(struct net_device *dev, const u8 *data, netif_rx(skb); } +static void mon_recv_decrypted_recv(struct net_device *dev, const u8 *data, + int data_len) +{ + struct sk_buff *skb; + struct ieee80211_hdr *hdr; + int hdr_len; + + skb = netdev_alloc_skb(dev, data_len); + if (!skb) + return; + memcpy(skb_put(skb, data_len), data, data_len); + + /* + * Frame data is not encrypted. Strip off protection so + * userspace doesn't think that it is. + */ + + hdr = (struct ieee80211_hdr *)skb->data; + hdr_len = ieee80211_hdrlen(hdr->frame_control); + + if (ieee80211_has_protected(hdr->frame_control)) + hdr->frame_control &= ~cpu_to_le16(IEEE80211_FCTL_PROTECTED); + + skb->ip_summed = CHECKSUM_UNNECESSARY; + skb->protocol = eth_type_trans(skb, dev); + netif_rx(skb); +} + static void mon_recv_encrypted(struct net_device *dev, const u8 *data, int data_len) { @@ -82,7 +110,6 @@ static void mon_recv_encrypted(struct net_device *dev, const u8 *data, void rtl88eu_mon_recv_hook(struct net_device *dev, struct recv_frame *frame) { struct rx_pkt_attrib *attr; - int iv_len, icv_len; int data_len; u8 *data; @@ -95,11 +122,8 @@ void rtl88eu_mon_recv_hook(struct net_device *dev, struct recv_frame *frame) data = frame->pkt->data; data_len = frame->pkt->len; - /* Broadcast and multicast frames don't have attr->{iv,icv}_len set */ - SET_ICE_IV_LEN(iv_len, icv_len, attr->encrypt); - if (attr->bdecrypted) - mon_recv_decrypted(dev, data, data_len, iv_len, icv_len); + mon_recv_decrypted_recv(dev, data, data_len); else mon_recv_encrypted(dev, data, data_len); } @@ -152,7 +176,7 @@ static const struct net_device_ops mon_netdev_ops = { static void mon_setup(struct net_device *dev) { dev->netdev_ops = &mon_netdev_ops; - dev->destructor = free_netdev; + dev->needs_free_netdev = true; ether_setup(dev); dev->priv_flags |= IFF_NO_QUEUE; dev->type = ARPHRD_IEEE80211; |