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-rw-r--r--net/sctp/chunk.c25
1 files changed, 22 insertions, 3 deletions
diff --git a/net/sctp/chunk.c b/net/sctp/chunk.c
index 1eb94bf18ef4..a55e54738b81 100644
--- a/net/sctp/chunk.c
+++ b/net/sctp/chunk.c
@@ -335,13 +335,32 @@ errout:
/* Check whether this message has expired. */
int sctp_chunk_abandoned(struct sctp_chunk *chunk)
{
- struct sctp_datamsg *msg = chunk->msg;
+ if (!chunk->asoc->prsctp_enable ||
+ !SCTP_PR_POLICY(chunk->sinfo.sinfo_flags)) {
+ struct sctp_datamsg *msg = chunk->msg;
+
+ if (!msg->can_abandon)
+ return 0;
+
+ if (time_after(jiffies, msg->expires_at))
+ return 1;
- if (!msg->can_abandon)
return 0;
+ }
- if (time_after(jiffies, msg->expires_at))
+ if (SCTP_PR_TTL_ENABLED(chunk->sinfo.sinfo_flags) &&
+ time_after(jiffies, chunk->prsctp_param)) {
+ 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->asoc->abandoned_sent[SCTP_PR_INDEX(RTX)]++;
return 1;
+ }
+ /* PRIO policy is processed by sendmsg, not here */
return 0;
}