[ofw] [ND 3/7] ND:listen APIs

[Sean Hefty]

>> STDMETHODIMP CNDListen::
>> Init(SIZE_T Backlog, INT Protocol, USHORT *pPort)
>> {
>>         WV_CONNECT_ATTRIBUTES attr;
>>         WV_SOCKADDR addr;
>>         HRESULT hr;
>>
>>         if (Protocol != 6) {
>>                 return ND_NOT_SUPPORTED;
>
>This check probably belongs in the underlying WV Provider, and for IB it should
>just put the protocol into the SID as defined in the IP Annex (one byte for
>protocol) after doing appropriate boundary checks.

Winverbs is currently only code to support connected endpoints.  This is the
restriction that's needed.

>MSMPI doesn't use protocol 6, and there are other potential users of ND that
>may not either.

Winverbs supports connected 0x0106 or datagram 0x0111 protocols.

>Is WinVerbs restricted to the TCP protocol only?  I was going to code up a
>patch but I don't see how protocol is specified when creating an endpoint.

There are different endpoints for the two supported protocols.