openvswitch: Compute checksum in skb_gso_segment() if needed

The copy & csum optimization is no longer present with zerocopy
enabled. Compute the checksum in skb_gso_segment() directly by
dropping the HW CSUM capability from the features passed in.

Signed-off-by: Thomas Graf <tgraf@suug.ch>
Signed-off-by: Jesse Gross <jesse@nicira.com>

diff --git a/net/openvswitch/datapath.c b/net/openvswitch/datapath.c
index 85578342d5664c53ac69911cfb59ac7dff224710..61ae3b86a995858406e7fe567c53f47bbddab9a3 100644 (file)
--- a/net/openvswitch/datapath.c
+++ b/net/openvswitch/datapath.c
@@ -311,7 +311,7 @@ static int queue_gso_packets(struct datapath *dp, struct sk_buff *skb,
        struct sk_buff *segs, *nskb;
        int err;
 
-       segs = __skb_gso_segment(skb, NETIF_F_SG | NETIF_F_HW_CSUM, false);
+       segs = __skb_gso_segment(skb, NETIF_F_SG, false);
        if (IS_ERR(segs))
                return PTR_ERR(segs);