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Mon, 3 Nov 2025 10:16:53 GMT Received: from smtpav07.fra02v.mail.ibm.com (unknown [127.0.0.1]) by IMSVA (Postfix) with ESMTP id 0944D20067; Mon, 3 Nov 2025 10:16:53 +0000 (GMT) Received: from smtpav07.fra02v.mail.ibm.com (unknown [127.0.0.1]) by IMSVA (Postfix) with ESMTP id D1C2920065; Mon, 3 Nov 2025 10:16:52 +0000 (GMT) Received: from tuxmaker.lnxne.boe (unknown [9.152.85.9]) by smtpav07.fra02v.mail.ibm.com (Postfix) with ESMTP; Mon, 3 Nov 2025 10:16:52 +0000 (GMT) From: Aswin Karuvally To: David Miller , Jakub Kicinski , Paolo Abeni , Eric Dumazet , Andrew Lunn Cc: netdev@vger.kernel.org, linux-s390@vger.kernel.org, Heiko Carstens , Vasily Gorbik , Alexander Gordeev , Alexandra Winter , Christian Borntraeger , Sven Schnelle , Simon Horman Subject: [PATCH net-next] s390/ctcm: Use info level for handshake UC_RCRESET Date: Mon, 3 Nov 2025 11:16:52 +0100 Message-ID: <20251103101652.2349855-1-aswin@linux.ibm.com> X-Mailer: git-send-email 2.48.1 Precedence: bulk X-Mailing-List: netdev@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-TM-AS-GCONF: 00 X-Proofpoint-GUID: rJoTwJgMvK54ZXpp-q_DIGMzMq9RDv2M X-Authority-Analysis: v=2.4 cv=MKhtWcZl c=1 sm=1 tr=0 ts=6908811a cx=c_pps a=5BHTudwdYE3Te8bg5FgnPg==:117 a=5BHTudwdYE3Te8bg5FgnPg==:17 a=6UeiqGixMTsA:10 a=VkNPw1HP01LnGYTKEx00:22 a=VnNF1IyMAAAA:8 a=q5eb_lFJGzSj3ViXpxMA:9 a=cPQSjfK2_nFv0Q5t_7PE:22 X-Proofpoint-ORIG-GUID: 0FrKvHcmofj7sqY2DobuyHsz_eVmGCEh X-Proofpoint-Spam-Details-Enc: AW1haW4tMjUxMTAxMDAwMSBTYWx0ZWRfX0IjT/FVqh6Pv aQ/MU45KJrQAu1Pq0+7crsjlZ3uISFyrqegJ4FY4JEnrEq3nwBoWhnn9TS2n+rTirFjXttrF3ux 5eBTbCwkbMiBf+Bqt+7PQrcyfl435Q9HRFmui7lugtZcic7qhpNH+os4v3ogEI8RXauSH/OvW+O s84FWjxoi+PLuniOso/sbexrDZj2691zz64eQu/8dso7RIG5WROWaSYrHAN1VodOB5tnB5ZAjgS pkdjiOO7y87ctb4b6dtvBJxzW4c1eR2AL+LarpSH2qXaIPB1/Yy6aJ227x2QBCQN+flqAoxhf8O 9hLdrV0CVQD8C/VZYxfUwtLhCR8i+E7QPXfS+/bpfPNs3q26b54gV0S12xWoJ83uZeoBclzdRQr mZYW3UJE1FEW90azyBgc5GU6vHnEhw== X-Proofpoint-Virus-Version: vendor=baseguard engine=ICAP:2.0.293,Aquarius:18.0.1121,Hydra:6.1.9,FMLib:17.12.100.49 definitions=2025-11-03_01,2025-10-29_03,2025-10-01_01 X-Proofpoint-Spam-Details: rule=outbound_notspam policy=outbound score=0 priorityscore=1501 suspectscore=0 bulkscore=0 impostorscore=0 clxscore=1011 lowpriorityscore=0 malwarescore=0 adultscore=0 phishscore=0 spamscore=0 classifier=typeunknown authscore=0 authtc= authcc= route=outbound adjust=0 reason=mlx scancount=1 engine=8.19.0-2510240000 definitions=main-2511010001 CTC adapter throws CTC_EVENT_UC_RCRESET (Unit check remote reset event) during initial handshake, if the peer is not ready yet. This causes the ctcm driver to re-attempt the handshake. As it is normal for the event to occur during initialization, use info instead of warn level in kernel log and NOTICE instead of ERROR level in s390 debug feature. Also reword the log message for clarity. Reviewed-by: Alexandra Winter Signed-off-by: Aswin Karuvally --- drivers/s390/net/ctcm_fsms.c | 14 ++++++++++++++ 1 file changed, 14 insertions(+) diff --git a/drivers/s390/net/ctcm_fsms.c b/drivers/s390/net/ctcm_fsms.c index 9678c6a2cda7..1a48258b63b2 100644 --- a/drivers/s390/net/ctcm_fsms.c +++ b/drivers/s390/net/ctcm_fsms.c @@ -882,6 +882,13 @@ static void ctcm_chx_rxiniterr(fsm_instance *fi, int event, void *arg) fsm_newstate(fi, CTC_STATE_RXERR); fsm_event(priv->fsm, DEV_EVENT_RXDOWN, dev); } + } else if (event == CTC_EVENT_UC_RCRESET) { + CTCM_DBF_TEXT_(TRACE, CTC_DBF_NOTICE, + "%s(%s): %s in %s", CTCM_FUNTAIL, ch->id, + ctc_ch_event_names[event], fsm_getstate_str(fi)); + + dev_info(&dev->dev, + "Init handshake not received, peer not ready yet\n"); } else { CTCM_DBF_TEXT_(ERROR, CTC_DBF_ERROR, "%s(%s): %s in %s", CTCM_FUNTAIL, ch->id, @@ -967,6 +974,13 @@ static void ctcm_chx_txiniterr(fsm_instance *fi, int event, void *arg) fsm_newstate(fi, CTC_STATE_TXERR); fsm_event(priv->fsm, DEV_EVENT_TXDOWN, dev); } + } else if (event == CTC_EVENT_UC_RCRESET) { + CTCM_DBF_TEXT_(TRACE, CTC_DBF_NOTICE, + "%s(%s): %s in %s", CTCM_FUNTAIL, ch->id, + ctc_ch_event_names[event], fsm_getstate_str(fi)); + + dev_info(&dev->dev, + "Init handshake not sent, peer not ready yet\n"); } else { CTCM_DBF_TEXT_(ERROR, CTC_DBF_ERROR, "%s(%s): %s in %s", CTCM_FUNTAIL, ch->id, -- 2.48.1