The work completion is inspected to determine what dgid table entry was
used to receieve the packet, produces a sgid_attr that matches and sticks
it in the ah_attr.
All callers of this function are now required to release the ah_attr on
Signed-off-by: Parav Pandit <firstname.lastname@example.org>
Signed-off-by: Jason Gunthorpe <email@example.com>
Signed-off-by: Leon Romanovsky <firstname.lastname@example.org>