This is a note to let you know that I've just added the patch titled geneve: fix incorrect setting of UDP checksum flag to the 4.10-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: geneve-fix-incorrect-setting-of-udp-checksum-flag.patch and it can be found in the queue-4.10 subdirectory. If you, or anyone else, feels it should not be added to the stable tree, please let <stable@xxxxxxxxxxxxxxx> know about it. >From foo@baz Thu May 11 10:37:58 CEST 2017 From: Girish Moodalbail <girish.moodalbail@xxxxxxxxxx> Date: Thu, 27 Apr 2017 14:11:53 -0700 Subject: geneve: fix incorrect setting of UDP checksum flag From: Girish Moodalbail <girish.moodalbail@xxxxxxxxxx> [ Upstream commit 5e0740c445e6ae4026f5e52456ff8d0be9725183 ] Creating a geneve link with 'udpcsum' set results in a creation of link for which UDP checksum will NOT be computed on outbound packets, as can be seen below. 11: gen0: <BROADCAST,MULTICAST> mtu 1500 qdisc noop state DOWN link/ether c2:85:27:b6:b4:15 brd ff:ff:ff:ff:ff:ff promiscuity 0 geneve id 200 remote 192.168.13.1 dstport 6081 noudpcsum Similarly, creating a link with 'noudpcsum' set results in a creation of link for which UDP checksum will be computed on outbound packets. Fixes: 9b4437a5b870 ("geneve: Unify LWT and netdev handling.") Signed-off-by: Girish Moodalbail <girish.moodalbail@xxxxxxxxxx> Acked-by: Pravin B Shelar <pshelar@xxxxxxx> Acked-by: Lance Richardson <lrichard@xxxxxxxxxx> Signed-off-by: David S. Miller <davem@xxxxxxxxxxxxx> Signed-off-by: Greg Kroah-Hartman <gregkh@xxxxxxxxxxxxxxxxxxx> --- drivers/net/geneve.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) --- a/drivers/net/geneve.c +++ b/drivers/net/geneve.c @@ -1244,7 +1244,7 @@ static int geneve_newlink(struct net *ne metadata = true; if (data[IFLA_GENEVE_UDP_CSUM] && - !nla_get_u8(data[IFLA_GENEVE_UDP_CSUM])) + nla_get_u8(data[IFLA_GENEVE_UDP_CSUM])) info.key.tun_flags |= TUNNEL_CSUM; if (data[IFLA_GENEVE_UDP_ZERO_CSUM6_TX] && Patches currently in stable-queue which might be from girish.moodalbail@xxxxxxxxxx are queue-4.10/geneve-fix-incorrect-setting-of-udp-checksum-flag.patch