Put the offset of the CRC32C in csum_data instead of 0. The virtio driver needs the offset to be there, like in the case for UDP and TCP.
Put the offset of the CRC32C in csum_data instead of 0.
The virtio driver needs the offset to be there, like in
the case for UDP and TCP.

The virtio problem was reported by 
Niu Zhixiong <kaiaixi@gmail.com>, who helped in debugging
and also tested the patch. 

xwhuang/sctp-refimpl,sctplab/sctp-refimpl,sctplab/sctp-refimpl,xwhuang/sctp-refimpl,deepak899/sctp-refimpl,xwhuang/sctp-refimpl,deepak899/sctp-refimpl,deepak899/sctp-refimpl,sctplab/sctp-refimpl,xwhuang/sctp-refimpl,deepak899/sctp-refimpl,sctplab/sctp-refimpl,xwhuang/sctp-refimpl,deepak899/sctp-refimpl,sctplab/sctp-refimpl,deepak899/sctp-refimpl,xwhuang/sctp-refimpl,sctplab/sctp-refimpl