This is a note to let you know that I've just added the patch titled

fjes: Fix wrong netdevice feature flags

to the 4.4-stable tree which can be found at: http://www.kernel.org/git/?p=linux/kernel/git/stable/stable-queue.git%3Ba=su...

The filename of the patch is: fjes-fix-wrong-netdevice-feature-flags.patch and it can be found in the queue-4.4 subdirectory.

If you, or anyone else, feels it should not be added to the stable tree, please let stable@vger.kernel.org know about it.

From foo@baz Mon Dec 18 14:47:43 CET 2017

From: Taku Izumi izumi.taku@jp.fujitsu.com Date: Wed, 15 Mar 2017 13:47:50 +0900 Subject: fjes: Fix wrong netdevice feature flags

From: Taku Izumi izumi.taku@jp.fujitsu.com

[ Upstream commit fe8daf5fa715f7214952f06a387e4b7de818c5be ]

This patch fixes netdev->features for Extended Socket network device.

Currently Extended Socket network device's netdev->feature claims NETIF_F_HW_CSUM, however this is completely wrong. There's no feature of checksum offloading. That causes invalid TCP/UDP checksum and packet rejection when IP forwarding from Extended Socket network device to other network device.

NETIF_F_HW_CSUM should be omitted.

Signed-off-by: Taku Izumi izumi.taku@jp.fujitsu.com Signed-off-by: David S. Miller davem@davemloft.net Signed-off-by: Sasha Levin alexander.levin@verizon.com Signed-off-by: Greg Kroah-Hartman gregkh@linuxfoundation.org --- drivers/net/fjes/fjes_main.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-)

--- a/drivers/net/fjes/fjes_main.c +++ b/drivers/net/fjes/fjes_main.c @@ -1205,7 +1205,7 @@ static void fjes_netdev_setup(struct net fjes_set_ethtool_ops(netdev); netdev->mtu = fjes_support_mtu[0]; netdev->flags |= IFF_BROADCAST; - netdev->features |= NETIF_F_HW_CSUM | NETIF_F_HW_VLAN_CTAG_FILTER; + netdev->features |= NETIF_F_HW_VLAN_CTAG_FILTER; }

static void fjes_irq_watch_task(struct work_struct *work)

Patches currently in stable-queue which might be from izumi.taku@jp.fujitsu.com are

queue-4.4/fjes-fix-wrong-netdevice-feature-flags.patch