[ovs-dev] [PATCH v1 10/14] netdev-dpdk: copy large packet to multi-seg. mbufs

Eelco Chaudron echaudro at redhat.com
Tue Jul 3 13:02:16 UTC 2018

On 28 Jun 2018, at 17:41, Tiago Lam wrote:

> From: Mark Kavanagh <mark.b.kavanagh at intel.com>
> Currently, packets are only copied to a single segment in the function
> dpdk_do_tx_copy(). This could be an issue in the case of jumbo frames,
> particularly when multi-segment mbufs are involved.
> This patch calculates the number of segments needed by a packet and
> copies the data to each segment.
> A new function, dpdk_buf_alloc(), has also been introduced as a wrapper
> around the nonpmd_mp_mutex to serialise allocations from a non-pmd
> context.
> Co-authored-by: Michael Qiu <qiudayu at chinac.com>
> Co-authored-by: Tiago Lam <tiago.lam at intel.com>
> Signed-off-by: Mark Kavanagh <mark.b.kavanagh at intel.com>
> Signed-off-by: Michael Qiu <qiudayu at chinac.com>
> Signed-off-by: Tiago Lam <tiago.lam at intel.com>


Acked-by: Eelco Chaudron <echaudro at redhat.com>


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