Hi!

> From: Paolo Abeni <pabeni@redhat.com>
> 
> [ Upstream commit 78352f73dc5047f3f744764cc45912498c52f3c9 ]
> 
> Currently the UDP protocol delivers GSO_FRAGLIST packets to
> the sockets without the expected segmentation.
> 
> This change addresses the issue introducing and maintaining
> a couple of new fields to explicitly accept SKB_GSO_UDP_L4
> or GSO_FRAGLIST packets. Additionally updates  udp_unexpected_gso()
> accordingly.
> 
> UDP sockets enabling UDP_GRO stil keep accept_udp_fraglist
> zeroed.

What is going on here? accept_udp_fraglist variable is read-only.

Should this be dropped? Should 

commit d18931a92a0b5feddd8a39d097b90ae2867db02f
    vxlan: allow L4 GRO passthrough
    
be cherry-picked?

Best regards,
							Pavel
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