This is a note to let you know that I've just added the patch titled
net: usb: cdc_eem: fix mtu
to the 3.0-stable tree which can be found at:
http://www.kernel.org/git/?p=linux/kernel/git/stable/stable-queue.git;a=summary
The filename of the patch is:
net-usb-cdc_eem-fix-mtu.patch
and it can be found in the queue-3.0 subdirectory.
If you, or anyone else, feels it should not be added to the stable tree,
please let <[email protected]> know about it.
>From 8571d69919724723b3b66f4566b29424bc9eb9cf Mon Sep 17 00:00:00 2001
From: Rabin Vincent <[email protected]>
Date: Thu, 29 Mar 2012 07:15:15 +0000
Subject: net: usb: cdc_eem: fix mtu
From: Rabin Vincent <[email protected]>
[ Upstream commit 78fb72f7936c01d5b426c03a691eca082b03f2b9 ]
Make CDC EEM recalculate the hard_mtu after adjusting the
hard_header_len.
Without this, usbnet adjusts the MTU down to 1494 bytes, and the host is
unable to receive standard 1500-byte frames from the device.
Tested with the Linux USB Ethernet gadget.
Cc: Oliver Neukum <[email protected]>
Signed-off-by: Rabin Vincent <[email protected]>
Signed-off-by: David S. Miller <[email protected]>
Signed-off-by: Greg Kroah-Hartman <[email protected]>
---
drivers/net/usb/cdc_eem.c | 1 +
1 file changed, 1 insertion(+)
--- a/drivers/net/usb/cdc_eem.c
+++ b/drivers/net/usb/cdc_eem.c
@@ -93,6 +93,7 @@ static int eem_bind(struct usbnet *dev,
/* no jumbogram (16K) support for now */
dev->net->hard_header_len += EEM_HEAD + ETH_FCS_LEN;
+ dev->hard_mtu = dev->net->mtu + dev->net->hard_header_len;
return 0;
}
Patches currently in stable-queue which might be from [email protected] are
queue-3.0/net-usb-cdc_eem-fix-mtu.patch
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