sctp: count data bundling sack chunk for outctrlchunks

Now all ctrl chunks are counted for asoc stats.octrlchunks and net
SCTP_MIB_OUTCTRLCHUNKS either after queuing up or bundling, other
than the chunk maked and bundled in sctp_packet_bundle_sack, which
caused 'outctrlchunks' not consistent with 'inctrlchunks' in peer.

This issue exists since very beginning, here to fix it by increasing
both net SCTP_MIB_OUTCTRLCHUNKS and asoc stats.octrlchunks when sack
chunk is maked and bundled in sctp_packet_bundle_sack.

Reported-by: Ja Ram Jeon <jajeon@redhat.com>
Signed-off-by: Xin Long <lucien.xin@gmail.com>
Acked-by: Marcelo Ricardo Leitner <marcelo.leitner@gmail.com>
Acked-by: Neil Horman <nhorman@tuxdriver.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Xin Long 2019-07-03 18:20:20 +08:00 committed by David S. Miller
parent 9fae54186c
commit 7af0330102

View File

@ -282,6 +282,9 @@ static enum sctp_xmit sctp_packet_bundle_sack(struct sctp_packet *pkt,
sctp_chunk_free(sack);
goto out;
}
SCTP_INC_STATS(sock_net(asoc->base.sk),
SCTP_MIB_OUTCTRLCHUNKS);
asoc->stats.octrlchunks++;
asoc->peer.sack_needed = 0;
if (del_timer(timer))
sctp_association_put(asoc);