From 806a5b8414f616eecbd7b1cf37c902df2ede3dd9 Mon Sep 17 00:00:00 2001 From: Randall Stewart Date: Thu, 8 Oct 2009 11:36:06 +0000 Subject: Fix so that round robing stream scheduling works as advertised MFC after: 0 days --- sys/netinet/sctp_output.c | 29 ++++------------------------- 1 file changed, 4 insertions(+), 25 deletions(-) diff --git a/sys/netinet/sctp_output.c b/sys/netinet/sctp_output.c index b9750b9d50e0..f581f0df77a5 100644 --- a/sys/netinet/sctp_output.c +++ b/sys/netinet/sctp_output.c @@ -5602,8 +5602,6 @@ sctp_insert_on_wheel(struct sctp_tcb *stcb, struct sctp_association *asoc, struct sctp_stream_out *strq, int holds_lock) { - struct sctp_stream_out *stre, *strn; - if (holds_lock == 0) { SCTP_TCB_SEND_LOCK(stcb); } @@ -5612,26 +5610,7 @@ sctp_insert_on_wheel(struct sctp_tcb *stcb, /* already on wheel */ goto outof_here; } - stre = TAILQ_FIRST(&asoc->out_wheel); - if (stre == NULL) { - /* only one on wheel */ - TAILQ_INSERT_HEAD(&asoc->out_wheel, strq, next_spoke); - goto outof_here; - } - for (; stre; stre = strn) { - strn = TAILQ_NEXT(stre, next_spoke); - if (stre->stream_no > strq->stream_no) { - TAILQ_INSERT_BEFORE(stre, strq, next_spoke); - goto outof_here; - } else if (stre->stream_no == strq->stream_no) { - /* huh, should not happen */ - goto outof_here; - } else if (strn == NULL) { - /* next one is null */ - TAILQ_INSERT_AFTER(&asoc->out_wheel, stre, strq, - next_spoke); - } - } + TAILQ_INSERT_TAIL(&asoc->out_wheel, strq, next_spoke); outof_here: if (holds_lock == 0) { SCTP_TCB_SEND_UNLOCK(stcb); @@ -7202,8 +7181,6 @@ done_it: if (strq == NULL) { strq = asoc->last_out_stream = TAILQ_FIRST(&asoc->out_wheel); } - /* Save off the last stream */ - asoc->last_out_stream = strq; return (strq); } @@ -7280,7 +7257,9 @@ sctp_fill_outqueue(struct sctp_tcb *stcb, bail = 0; moved_how_much = sctp_move_to_outqueue(stcb, net, strq, goal_mtu, frag_point, &locked, &giveup, eeor_mode, &bail); - asoc->last_out_stream = strq; + if (moved_how_much) + asoc->last_out_stream = strq; + if (locked) { asoc->locked_on_sending = strq; if ((moved_how_much == 0) || (giveup) || bail) -- cgit v1.2.3