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sctp: introduce round robin stream scheduler

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This patch introduces RFC Draft ndata section 3.2 Priority Based
Scheduler (SCTP_SS_RR).

Works by maintaining a list of enqueued streams and tracking the last
one used to send data. When the datamsg is done, it switches to the next
stream.

See-also: https://tools.ietf.org/html/draft-ietf-tsvwg-sctp-ndata-13
Tested-by: Xin Long <lucien.xin@gmail.com>
Signed-off-by: Marcelo Ricardo Leitner <marcelo.leitner@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Marcelo Ricardo Leitner
2017-10-03 19:20:17 -03:00
committed by David S. Miller
parent 637784ade2
commit ac1ed8b82c
5 changed files with 218 additions and 2 deletions
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3
include/uapi/linux/sctp.h
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@@ -1100,7 +1100,8 @@ struct sctp_add_streams {
enum sctp_sched_type {
SCTP_SS_FCFS,
SCTP_SS_PRIO,
SCTP_SS_MAX = SCTP_SS_PRIO
SCTP_SS_RR,
SCTP_SS_MAX = SCTP_SS_RR
};
#endif /* _UAPI_SCTP_H */