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net/sctp: Make wrappers for accessing in/out streams

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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>
This commit is contained in:
Konstantin Khorenko
2018-08-10 20:11:42 +03:00
committed by David S. Miller
parent b70f1f3af4
commit 05364ca03c
9 changed files with 103 additions and 81 deletions
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6
net/sctp/chunk.c
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@@ -325,7 +325,8 @@ int sctp_chunk_abandoned(struct sctp_chunk *chunk)
if (SCTP_PR_TTL_ENABLED(chunk->sinfo.sinfo_flags) &&
time_after(jiffies, chunk->msg->expires_at)) {
struct sctp_stream_out *streamout =
&chunk->asoc->stream.out[chunk->sinfo.sinfo_stream];
SCTP_SO(&chunk->asoc->stream,
chunk->sinfo.sinfo_stream);
if (chunk->sent_count) {
chunk->asoc->abandoned_sent[SCTP_PR_INDEX(TTL)]++;
@@ -339,7 +340,8 @@ int sctp_chunk_abandoned(struct sctp_chunk *chunk)
} else if (SCTP_PR_RTX_ENABLED(chunk->sinfo.sinfo_flags) &&
chunk->sent_count > chunk->sinfo.sinfo_timetolive) {
struct sctp_stream_out *streamout =
&chunk->asoc->stream.out[chunk->sinfo.sinfo_stream];
SCTP_SO(&chunk->asoc->stream,
chunk->sinfo.sinfo_stream);
chunk->asoc->abandoned_sent[SCTP_PR_INDEX(RTX)]++;
streamout->ext->abandoned_sent[SCTP_PR_INDEX(RTX)]++;