[PATCH 2/7] staging:r8188eu: use different mon_recv_decrypted() inside rtl88eu_mon_recv_hook() and rtl88eu_mon_xmit_hook().

From: Ivan Safonov
Date: Tue May 02 2017 - 02:06:45 EST


Create mon_recv_decrypted_recv() to change rtl88eu_mon_recv_hook()
without affect to rtl88eu_mon_xmit_hook().

Signed-off-by: Ivan Safonov <insafonov@xxxxxxxxx>
---
drivers/staging/rtl8188eu/os_dep/mon.c | 23 ++++++++++++++++++++++-
1 file changed, 22 insertions(+), 1 deletion(-)

diff --git a/drivers/staging/rtl8188eu/os_dep/mon.c b/drivers/staging/rtl8188eu/os_dep/mon.c
index cfe37eb..7eac87d 100644
--- a/drivers/staging/rtl8188eu/os_dep/mon.c
+++ b/drivers/staging/rtl8188eu/os_dep/mon.c
@@ -66,6 +66,27 @@ 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, int iv_len, int icv_len)
+{
+ struct sk_buff *skb;
+
+ 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.
+ */
+ unprotect_frame(skb, iv_len, icv_len);
+
+ 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)
{
@@ -99,7 +120,7 @@ void rtl88eu_mon_recv_hook(struct net_device *dev, struct recv_frame *frame)
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, iv_len, icv_len);
else
mon_recv_encrypted(dev, data, data_len);
}
--
2.10.2