Re: [Lksctp-developers] A lot of socket api work needs to be done.

[Wei Yongjun <yjwei@cn.fujitsu.com>]

Hi All:

Vlad Yasevich wrote:
> Hi  All
>
> We are severely lacking in our implementation of the socket API and I'd like to revitalize
> the effort to get this updated.
>
> Note:  I am ignoring the AUTH pieces since I've had this implemented, but have been
> waiting for the API to stabilize.
>
> As such, the following is a set of sections that need to be implemented:
>
> 	5.2.2. SCTP Header Information Structure (SCTP_SNDRCV)	
> 		- SCTP_SENDALL will require reworking how we copy data from
>
> 	5.2.3.  Extended SCTP Header Information Structure
>
> 	7.1.26. Set or Get the use of extended receive info SCTP_USE_EXT_RCVINFO)
>
> 	7.1.23. Get or set delayed ack timer (SCTP_DELAYED_SACK)
>   
Is anyone doing about this one? If nobody do this, I'd link to take it.

BTW: This one is need to be updated to latest spec,  no to be 
implemented, is this right?
I see some code in the kernel code as that:

7.1.23. Delayed Ack Timer (SCTP_DELAYED_ACK_TIME)

static int sctp_setsockopt_delayed_ack_time()

static int sctp_getsockopt_delayed_ack_time()


> 	7.1.27. Set or Get the auto asconf flag (SCTP_AUTO_ASCONF)
> 	
> 	7.1.30. Enable or disable explicit EOR marking (SCTP_EXPLICIT_EOR)
>
> 	7.1.31. Enable SCTP port reusage (SCTP_REUSE_PORT)
>
> 	8.11. sctp_sendx()
>
>
> Also, the following need to be updated to conform to the latest spec:
>
> 	3.1.4.  sendmsg() and recvmsg() - one-to-many style socket
> 		- need to handle new text wrt NULL data with SCTP_ flags.
>
> 	5.2.2. SCTP Header Information Structure (SCTP_SNDRCV)
> 		- update for Partial Reliability extensions
> 		 
>
> 	7.1.13. Peer Address Parameters (SCTP_PEER_ADDR_PARAMS)
>         	- need flowlable and tos implementation.
>
> 	7.1.24. Get or set fragmented interleave (SCTP_FRAGMENT_INTERLEAVE)
> 		- specifically Level 2 interleave.  (note, this is a lot of work).
>
> 	7.1.28. Set or Get the maximum burst (SCTP_MAX_BURST)
> 		- new data structure.
>
> 	8.9. sctp_connectx()
> 		- updated argument list.
>
> I am looking for volunteers to take up line items from the above.  I would really like to
> get this most of this work submitted to 2.6.26.
>
> If you have the time to work on one of the above times, please drop a note to the list
> saying what you are working on so we don't have duplicated effort.
>
> Thanks
> -vlad
>
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Wei Yongjun
Development Dept.I
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