On Fri, Sep 29, 2017 at 4:25 AM, Marcelo Ricardo Leitner
<marcelo.leitner@gmail.com> wrote:
> This patchset introduces the SCTP Stream Schedulers are defined by
> https://tools.ietf.org/html/draft-ietf-tsvwg-sctp-ndata-13
>
> It provides 3 schedulers at the moment: FCFS, Priority and Round Robin.
> The other 3, Round Robin per packet, Fair Capacity and Weighted Fair
> Capacity will be added later. More specifically, WFQ is required by
> WebRTC Datachannels.
>
> The draft also defines the idata chunk, allowing a usermsg to be
> interrupted by another piece of idata from another stream. This patchset
> *doesn't* include it. It will be posted later by Xin Long.  Its
> integration with this patchset is very simple and it basically only
> requires a tweak in sctp_sched_dequeue_done(), to ignore datamsg
> boundaries.
>
> The first 5 patches are a preparation for the next ones. The most
> relevant patches are the 4th and 6th ones. More details are available on
> each patch.
>
> Marcelo Ricardo Leitner (10):
>   sctp: silence warns on sctp_stream_init allocations
>   sctp: factor out stream->out allocation
>   sctp: factor out stream->in allocation
>   sctp: introduce struct sctp_stream_out_ext
>   sctp: introduce sctp_chunk_stream_no
>   sctp: introduce stream scheduler foundations
>   sctp: add sockopt to get/set stream scheduler
>   sctp: add sockopt to get/set stream scheduler parameters
>   sctp: introduce priority based stream scheduler
>   sctp: introduce round robin stream scheduler
>
>  include/net/sctp/stream_sched.h |  72 +++++++++
>  include/net/sctp/structs.h      |  63 +++++++-
>  include/uapi/linux/sctp.h       |  16 ++
>  net/sctp/Makefile               |   3 +-
>  net/sctp/chunk.c                |   6 +-
>  net/sctp/outqueue.c             |  63 ++++----
>  net/sctp/sm_sideeffect.c        |   3 +
>  net/sctp/socket.c               | 179 ++++++++++++++++++++-
>  net/sctp/stream.c               | 196 +++++++++++++++++++----
>  net/sctp/stream_sched.c         | 275 +++++++++++++++++++++++++++++++
>  net/sctp/stream_sched_prio.c    | 347 ++++++++++++++++++++++++++++++++++++++++
>  net/sctp/stream_sched_rr.c      | 201 +++++++++++++++++++++++
>  12 files changed, 1347 insertions(+), 77 deletions(-)
>  create mode 100644 include/net/sctp/stream_sched.h
>  create mode 100644 net/sctp/stream_sched.c
>  create mode 100644 net/sctp/stream_sched_prio.c
>  create mode 100644 net/sctp/stream_sched_rr.c
>
> --
> 2.13.5
>
Attachment are the testcase based on:
https://github.com/sctp/sctp-tests

Tested-by: Xin Long <lucien.xin@gmail.com>