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authorAswin Karuvally <aswin@linux.ibm.com>2025-11-03 11:16:52 +0100
committerPaolo Abeni <pabeni@redhat.com>2025-11-06 15:24:13 +0100
commit0cc4b846159184892f4210c440daeb97cbe9583a (patch)
tree8f12d38a0876c4806ce96d082e6d9ba72a7c4db3
parentf47b0c11829ac4dcb73caa899bcde37d9a9c7c89 (diff)
s390/ctcm: Use info level for handshake UC_RCRESET
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 <wintera@linux.ibm.com> Signed-off-by: Aswin Karuvally <aswin@linux.ibm.com> Link: https://patch.msgid.link/20251103101652.2349855-1-aswin@linux.ibm.com Signed-off-by: Paolo Abeni <pabeni@redhat.com>
-rw-r--r--drivers/s390/net/ctcm_fsms.c14
1 files changed, 14 insertions, 0 deletions
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,