[PATCH v2] igc: fix invalid length and corrupted multi-segment mbufs

[Bruce Richardson]

On Fri, Nov 01, 2024 at 02:30:00PM +0000, Bruce Richardson wrote:
> On Fri, Nov 01, 2024 at 02:57:26PM +0100, Martin Weiser wrote:
> > 
> > The issue only appeared with hardware-timestamping enabled
> > (RTE_ETH_RX_OFFLOAD_TIMESTAMP).
> > 
> > The length of the prepended hardware timestamp was not subtracted from
> > the data length so that received packets were 16 bytes longer than
> > expected.
> > 
> > In scatter-gather mode only the first mbuf has a timestamp but the
> > data offset of the follow-up mbufs was not adjusted accordingly.
> > This caused 16 bytes of packet data to be missing between
> > the segments.
> > 
> 
> Fixes: 4f6fbbf6f17d ("net/igc: support IEEE 1588 PTP")
> 
> 
> > Signed-off-by: Martin Weiser <martin.weiser at allegro-packets.com>
> > ---
> Acked-by: Bruce Richardson <bruce.richardson at intel.com>

Applied to dpdk-next-net-intel.

Thanks,
/Bruce