| From | Greg Kroah-Hartman <> | Subject | [PATCH 4.11 032/115] be2net: Fix offload features for Q-in-Q packets | Date | Mon, 5 Jun 2017 18:17:05 +0200 |
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4.11-stable review patch. If anyone has any objections, please let me know.
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From: Vlad Yasevich <vyasevich@gmail.com>
[ Upstream commit cc6e9de62a7f84c9293a2ea41bc412b55bb46e85 ]
At least some of the be2net cards do not seem to be capabled of performing checksum offload computions on Q-in-Q packets. In these case, the recevied checksum on the remote is invalid and TCP syn packets are dropped.
This patch adds a call to check disbled acceleration features on Q-in-Q tagged traffic.
CC: Sathya Perla <sathya.perla@broadcom.com> CC: Ajit Khaparde <ajit.khaparde@broadcom.com> CC: Sriharsha Basavapatna <sriharsha.basavapatna@broadcom.com> CC: Somnath Kotur <somnath.kotur@broadcom.com> Signed-off-by: Vladislav Yasevich <vyasevic@redhat.com> Signed-off-by: David S. Miller <davem@davemloft.net> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org> --- drivers/net/ethernet/emulex/benet/be_main.c | 4 +++- 1 file changed, 3 insertions(+), 1 deletion(-)
--- a/drivers/net/ethernet/emulex/benet/be_main.c +++ b/drivers/net/ethernet/emulex/benet/be_main.c @@ -5027,9 +5027,11 @@ static netdev_features_t be_features_che struct be_adapter *adapter = netdev_priv(dev); u8 l4_hdr = 0; - /* The code below restricts offload features for some tunneled packets. + /* The code below restricts offload features for some tunneled and + * Q-in-Q packets. * Offload features for normal (non tunnel) packets are unchanged. */ + features = vlan_features_check(skb, features); if (!skb->encapsulation || !(adapter->flags & BE_FLAGS_VXLAN_OFFLOADS)) return features;
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