Rndis: Add debug support to disable RNDIS Multipacket Feature
This change adds module param which allows to disable RNDIS
Multi-packet Feature (Aggregation support in Downlink path)
as this feature is enabled by default.
To disable use this param before moving to RNDIS Composition:
echo 1 > /sys/module/g_android/parameters/rndis_multipacket_dl_disable
Also counts errors as Rx errors if received RNDIS packets are
not following RNDIS message format as those packets are being
discarded.
Change-Id: I2c99409f689c131cf92c4967235643d001d90773
Signed-off-by: Mayank Rana <mrana@codeaurora.org>
(cherry picked from commit 93df275e337ee68a5561bcf3c8eafdc35d455b81)
Signed-off-by: Sudhir Sharma <sudsha@codeaurora.org>
diff --git a/drivers/usb/gadget/u_ether.c b/drivers/usb/gadget/u_ether.c
index 9b496ba..0c9aa1a 100644
--- a/drivers/usb/gadget/u_ether.c
+++ b/drivers/usb/gadget/u_ether.c
@@ -293,6 +293,10 @@
status = dev->unwrap(dev->port_usb,
skb,
&dev->rx_frames);
+ if (status == -EINVAL)
+ dev->net->stats.rx_errors++;
+ else if (status == -EOVERFLOW)
+ dev->net->stats.rx_over_errors++;
} else {
dev_kfree_skb_any(skb);
status = -ENOTCONN;