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Date:   Tue, 29 Mar 2022 13:13:36 +1000
From:   Jamie Bainbridge <>
To:     Vlad Yasevich <>,
        Neil Horman <>,
        Marcelo Ricardo Leitner <>,
        "David S. Miller" <>,
        Jakub Kicinski <>,
        Paolo Abeni <>
Cc:     Jamie Bainbridge <>,,,
Subject: [PATCH net] sctp: count singleton chunks in assoc user stats

singleton chunks (INIT, and less importantly SHUTDOWN and SHUTDOWN-
COMPLETE) are not counted in SCTP_GET_ASOC_STATS "sas_octrlchunks"
counter available to the assoc owner.

INIT (and the SHUTDOWN chunks) are control chunks so they should be
counted as such.

Add counting of singleton chunks so they are properly accounted for.

Signed-off-by: Jamie Bainbridge <>
 net/sctp/outqueue.c | 1 +
 1 file changed, 1 insertion(+)

diff --git a/net/sctp/outqueue.c b/net/sctp/outqueue.c
index a18609f608fb786b2532a4febbd72a9737ab906c..e2d7c955f07c80da17c7525159aaf8a053432ae3 100644
--- a/net/sctp/outqueue.c
+++ b/net/sctp/outqueue.c
@@ -914,6 +914,7 @@ static void sctp_outq_flush_ctrl(struct sctp_flush_ctx *ctx)
 				ctx->asoc->>sk_err = -error;
+			ctx->asoc->stats.octrlchunks++;

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