Commit bd9de1ba authored by Mark Zhang's avatar Mark Zhang Committed by Leon Romanovsky
Browse files

RDMA/cm: Trace icm_send_rej event before the cm state is reset 



Trace icm_send_rej event before the cm state is reset to idle, so that
correct cm state will be logged. For example when an incoming request is
rejected, the old trace log was:
    icm_send_rej: local_id=961102742 remote_id=3829151631 state=IDLE reason=REJ_CONSUMER_DEFINED
With this patch:
    icm_send_rej: local_id=312971016 remote_id=3778819983 state=MRA_REQ_SENT reason=REJ_CONSUMER_DEFINED

Fixes: 8dc105be ("RDMA/cm: Add tracepoints to track MAD send operations")
Signed-off-by: default avatarMark Zhang <markzhang@nvidia.com>
Link: https://lore.kernel.org/r/20230330072351.481200-1-markzhang@nvidia.com


Signed-off-by: default avatarLeon Romanovsky <leon@kernel.org>
parent f13bcef0

drivers/infiniband/core/cm.c

+2 −1
Original line number Diff line number Diff line
@@ -2912,6 +2912,8 @@ static int cm_send_rej_locked(struct cm_id_private *cm_id_priv, 
	    (ari && ari_length > IB_CM_REJ_ARI_LENGTH))

		return -EINVAL;



	trace_icm_send_rej(&cm_id_priv->id, reason);



	switch (state) {

	case IB_CM_REQ_SENT:

	case IB_CM_MRA_REQ_RCVD:
@@ -2942,7 +2944,6 @@ static int cm_send_rej_locked(struct cm_id_private *cm_id_priv, 
		return -EINVAL;

	}



	trace_icm_send_rej(&cm_id_priv->id, reason);

	ret = ib_post_send_mad(msg, NULL);

	if (ret) {

		cm_free_msg(msg);