- Fixed locking issue with resuming pended sends that could

- Fixed locking issue with resuming pended sends that could
result in QP overrun.
- Changed receive processing to silently drop all loopback traffic since
the driver reports itself as needing SW loopback (which is higher performing).
- Fixed bug where code assumed that a success result from the SA implied
non-zero records.  Code now checks the number of records in addition to status.
- Fixed initialization to perform PnP registration after flagging the device as
a deserialized miniport with NdisMSetAttributesEx to allow calling
NdisMSetInformation at DISPATCH level.  Without this, the driver causes an
assertion in checked versions of NDIS.sys.

git-svn-id: svn://openib.tc.cornell.edu/gen1@28 ad392aa1-c5ef-ae45-8dd8-e69d62a5ef86