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authorXin Long <lucien.xin@gmail.com>2016-09-29 02:37:27 +0800
committerDavid S. Miller <davem@davemloft.net>2016-09-30 02:07:05 -0400
commit0605483f6ace1f6b63e397c819a115ddcd13af0d (patch)
treee71a84a43cb26e43cf85d066ff98e87a5245e0d1 /net/sctp/chunk.c
parent73dca124cdbad2d67d47d6196c08325f18447d07 (diff)
sctp: remove prsctp_param from sctp_chunk
Now sctp uses chunk->prsctp_param to save the prsctp param for all the prsctp polices, we didn't need to introduce prsctp_param to sctp_chunk. We can just use chunk->sinfo.sinfo_timetolive for RTX and BUF polices, and reuse msg->expires_at for TTL policy, as the prsctp polices and old expires policy are mutual exclusive. This patch is to remove prsctp_param from sctp_chunk, and reuse msg's expires_at for TTL and chunk's sinfo.sinfo_timetolive for RTX and BUF polices. Note that sctp can't use chunk's sinfo.sinfo_timetolive for TTL policy, as it needs a u64 variables to save the expires_at time. This one also fixes the "netperf-Throughput_Mbps -37.2% regression" issue. Fixes: a6c2f792873a ("sctp: implement prsctp TTL policy") Signed-off-by: Xin Long <lucien.xin@gmail.com> Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'net/sctp/chunk.c')
-rw-r--r--net/sctp/chunk.c9
1 files changed, 7 insertions, 2 deletions
diff --git a/net/sctp/chunk.c b/net/sctp/chunk.c
index a55e54738b81..14990e21cf55 100644
--- a/net/sctp/chunk.c
+++ b/net/sctp/chunk.c
@@ -179,6 +179,11 @@ struct sctp_datamsg *sctp_datamsg_from_user(struct sctp_association *asoc,
msg, msg->expires_at, jiffies);
}
+ if (asoc->prsctp_enable &&
+ SCTP_PR_TTL_ENABLED(sinfo->sinfo_flags))
+ msg->expires_at =
+ jiffies + msecs_to_jiffies(sinfo->sinfo_timetolive);
+
/* This is the biggest possible DATA chunk that can fit into
* the packet
*/
@@ -349,14 +354,14 @@ int sctp_chunk_abandoned(struct sctp_chunk *chunk)
}
if (SCTP_PR_TTL_ENABLED(chunk->sinfo.sinfo_flags) &&
- time_after(jiffies, chunk->prsctp_param)) {
+ time_after(jiffies, chunk->msg->expires_at)) {
if (chunk->sent_count)
chunk->asoc->abandoned_sent[SCTP_PR_INDEX(TTL)]++;
else
chunk->asoc->abandoned_unsent[SCTP_PR_INDEX(TTL)]++;
return 1;
} else if (SCTP_PR_RTX_ENABLED(chunk->sinfo.sinfo_flags) &&
- chunk->sent_count > chunk->prsctp_param) {
+ chunk->sent_count > chunk->sinfo.sinfo_timetolive) {
chunk->asoc->abandoned_sent[SCTP_PR_INDEX(RTX)]++;
return 1;
}