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Commit c13c90ea authored by Bart Van Assche's avatar Bart Van Assche Committed by Doug Ledford
Browse files

IB/srpt: Log private data associated with REJ 



To make it possible to determine why an initiator sent a REJ,
log the private data associated with the received REJ packet.

Signed-off-by: default avatarBart Van Assche <bart.vanassche@sandisk.com>
Reviewed-by: default avatarChristoph Hellwig <hch@lst.de>
Cc: Sagi Grimberg <sagig@mellanox.com>
Cc: Alex Estrin <alex.estrin@intel.com>
Signed-off-by: default avatarDoug Ledford <dledford@redhat.com>
parent 2739b592

drivers/infiniband/ulp/srpt/ib_srpt.c

+12 −2
Original line number Diff line number Diff line
@@ -2252,8 +2252,18 @@ static void srpt_cm_rej_recv(struct srpt_rdma_ch *ch, 
			     const u8 *private_data,

			     u8 private_data_len)

{

	pr_info("Received CM REJ for ch %s-%d; reason %d.\n",

		ch->sess_name, ch->qp->qp_num, reason);

	char *priv = NULL;

	int i;



	if (private_data_len && (priv = kmalloc(private_data_len * 3 + 1,

						GFP_KERNEL))) {

		for (i = 0; i < private_data_len; i++)

			sprintf(priv + 3 * i, " %02x", private_data[i]);

	}

	pr_info("Received CM REJ for ch %s-%d; reason %d%s%s.\n",

		ch->sess_name, ch->qp->qp_num, reason, private_data_len ?

		"; private data" : "", priv ? priv : " (?)");

	kfree(priv);

	srpt_drain_channel(ch);

}