[dpdk-dev] [PATCH v4 7/7] virtio: pick simple rx/tx func

[Stephen Hemminger]

On Thu, 22 Oct 2015 20:09:51 +0800
Huawei Xie <huawei.xie at intel.com> wrote:

> +	/* Use simple rx/tx func if single segment and no offloads */
> +	if ((tx_conf->txq_flags & VIRTIO_SIMPLE_FLAGS) == VIRTIO_SIMPLE_FLAGS &&
> +	     !vtpci_with_feature(hw, VIRTIO_NET_F_MRG_RXBUF))

Since with QEMU/KVM the code will negotiate to use MRG_RXBUF, this
code path will not get used in common case anyway.