On Wed, Jul 01, 2026 at 09:44:52AM +0100, Medvedkin, Vladimir wrote:
>
> On 7/1/2026 9:23 AM, Bruce Richardson wrote:
> > When TSO is enabled, and we get a packet to transmit where an individual
> > mbuf segment is longer than 16k, we need to split that segment across
> > multiple Tx descriptors. This support is present in the single-queue
> > mode of idpf - since it shares common code with the other Intel drivers
> > - but was missing from the splitq path.
> >
> > This patch adds the proper data path handling. Previous work ensured
> > that the descriptor count calculation took over-sized segments into
> > account but the actual descriptor writing part was overlooked.
> >
> > Fixes: 770f4dfe0f79 ("net/idpf: support basic Tx data path")
> > Fixes: 2904020f8313 ("net/intel: add common function to calculate needed
> > descs")
> > Cc: [email protected]
> >
> > Signed-off-by: Bruce Richardson <[email protected]>
> Acked-by: Vladimir Medvedkin <[email protected]>
> > ---
> > V2: change check for number of free descriptor slots to use the correct
> > count, rather than just the number of mbuf segments passed
> > ---
> > drivers/net/intel/idpf/idpf_common_rxtx.c | 43 ++++++++++++++++++-----
> > 1 file changed, 35 insertions(+), 8 deletions(-)
> >
Patch applied to dpdk-next-net-intel.
/Bruce
