Multi-segment mbufs are not supported for DOCSIS security protocol.
This patch adds an explicit check for this and returns an op error if
this case is found. This limitation is also added to the QAT cryptodev
documentation.
Fixes: 6f0ef237404b ("crypto/qat: support DOCSIS protocol")
Signed-off-by: David Coyle <david.coyle@intel.com>
Acked-by: Fiona Trahe <fiona.trahe@intel.com>