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2017-11-28sctp: remove extern from stream schedXin Long1-1/+6
Now each stream sched ops is defined in different .c file and added into the global ops in another .c file, it uses extern to make this work. However extern is not good coding style to get them in and even make C=2 reports errors for this. This patch adds sctp_sched_ops_xxx_init for each stream sched ops in their .c file, then get them into the global ops by calling them when initializing sctp module. Fixes: 637784ade221 ("sctp: introduce priority based stream scheduler") Fixes: ac1ed8b82cd6 ("sctp: introduce round robin stream scheduler") Signed-off-by: Xin Long <lucien.xin@gmail.com> Acked-by: Marcelo Ricardo Leitner <marcelo.leitner@gmail.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2017-10-03sctp: introduce round robin stream schedulerMarcelo Ricardo Leitner1-0/+201
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>