On Wed, Dec 04, 2024 at 05:58:06PM +0100, Stefano Brivio wrote:
> On Wed,  4 Dec 2024 16:33:21 +0100
> Laurent Vivier <lvivier@redhat.com> wrote:
> 
> > In udp_vu_sock_recv(), collect a segment with a size defined to
> > IP_MAX_MTU + ETH_HLEN + sizeof(struct virtio_net_hdr_mrg_rxbuf)
> 
> Can you briefly explain why, and what's the problem otherwise?

The original version double counted the IP header: IP_MAX_MTU includes
the IP header, and so did hdrlen.


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