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| author | Konstantin Khorenko <khorenko@virtuozzo.com> | 2018-08-10 20:11:42 +0300 |
|---|---|---|
| committer | David S. Miller <davem@davemloft.net> | 2018-08-11 12:25:15 -0700 |
| commit | 05364ca03cfd419caecb292fede20eb39667eaae (patch) | |
| tree | 134bb5ed07d0dccfb47220d5b760c5e2be8a673f /net/sctp/stream_sched.c | |
| parent | b70f1f3af47f4a21a25678f9ee587ed7986d62f8 (diff) | |
| download | linux-05364ca03cfd419caecb292fede20eb39667eaae.tar.gz linux-05364ca03cfd419caecb292fede20eb39667eaae.tar.bz2 linux-05364ca03cfd419caecb292fede20eb39667eaae.zip | |
net/sctp: Make wrappers for accessing in/out streams
This patch introduces wrappers for accessing in/out streams indirectly.
This will enable to replace physically contiguous memory arrays
of streams with flexible arrays (or maybe any other appropriate
mechanism) which do memory allocation on a per-page basis.
Signed-off-by: Oleg Babin <obabin@virtuozzo.com>
Signed-off-by: Konstantin Khorenko <khorenko@virtuozzo.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'net/sctp/stream_sched.c')
| -rw-r--r-- | net/sctp/stream_sched.c | 13 |
1 files changed, 7 insertions, 6 deletions
diff --git a/net/sctp/stream_sched.c b/net/sctp/stream_sched.c index f5fcd425232a..a6c04a94b08f 100644 --- a/net/sctp/stream_sched.c +++ b/net/sctp/stream_sched.c @@ -161,7 +161,7 @@ int sctp_sched_set_sched(struct sctp_association *asoc, /* Give the next scheduler a clean slate. */ for (i = 0; i < asoc->stream.outcnt; i++) { - void *p = asoc->stream.out[i].ext; + void *p = SCTP_SO(&asoc->stream, i)->ext; if (!p) continue; @@ -175,7 +175,7 @@ int sctp_sched_set_sched(struct sctp_association *asoc, asoc->outqueue.sched = n; n->init(&asoc->stream); for (i = 0; i < asoc->stream.outcnt; i++) { - if (!asoc->stream.out[i].ext) + if (!SCTP_SO(&asoc->stream, i)->ext) continue; ret = n->init_sid(&asoc->stream, i, GFP_KERNEL); @@ -217,7 +217,7 @@ int sctp_sched_set_value(struct sctp_association *asoc, __u16 sid, if (sid >= asoc->stream.outcnt) return -EINVAL; - if (!asoc->stream.out[sid].ext) { + if (!SCTP_SO(&asoc->stream, sid)->ext) { int ret; ret = sctp_stream_init_ext(&asoc->stream, sid); @@ -234,7 +234,7 @@ int sctp_sched_get_value(struct sctp_association *asoc, __u16 sid, if (sid >= asoc->stream.outcnt) return -EINVAL; - if (!asoc->stream.out[sid].ext) + if (!SCTP_SO(&asoc->stream, sid)->ext) return 0; return asoc->outqueue.sched->get(&asoc->stream, sid, value); @@ -252,7 +252,7 @@ void sctp_sched_dequeue_done(struct sctp_outq *q, struct sctp_chunk *ch) * priority stream comes in. */ sid = sctp_chunk_stream_no(ch); - sout = &q->asoc->stream.out[sid]; + sout = SCTP_SO(&q->asoc->stream, sid); q->asoc->stream.out_curr = sout; return; } @@ -272,8 +272,9 @@ void sctp_sched_dequeue_common(struct sctp_outq *q, struct sctp_chunk *ch) int sctp_sched_init_sid(struct sctp_stream *stream, __u16 sid, gfp_t gfp) { struct sctp_sched_ops *sched = sctp_sched_ops_from_stream(stream); + struct sctp_stream_out_ext *ext = SCTP_SO(stream, sid)->ext; - INIT_LIST_HEAD(&stream->out[sid].ext->outq); + INIT_LIST_HEAD(&ext->outq); return sched->init_sid(stream, sid, gfp); } |