OIDs in NDIS miniport driver

Hi,
I am developing a NDIS miniport driver for 21143
based NIC.
I am returning the following values for the OIDs
queried from the upper layer.
OID_GEN_MAXIMUM_LOOKAHEAD: 1500
OID_GEN_CURRENT_LOOKAHEAD: 1500
OID_GEN_MAXIMUM_FRAME_SIZE:1500

OID_GEN_MAXIMUM_TOTAL_SIZE: 1514
OID_GEN_TRANSMIT_BLOCK_SIZE: 1514
OID_GEN_RECEIVE_BLOCK_SIZE: 1514

I am afraid if the above values are correct. I am able
to send upto 1510 bytes and receive upto 1510 bytes.
But anything more than that i am unable to send or
receive to/from the network. The system just hangs.

Can someone please suggest me what is the problem?

Thanks and regards
Srikanth

=====

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