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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: Bart Van Assche <bart.vanassche@sandisk.com>
Reviewed-by: Christoph Hellwig <hch@lst.de>
Cc: Sagi Grimberg <sagig@mellanox.com>
Cc: Alex Estrin <alex.estrin@intel.com>
Signed-off-by: Doug Ledford <dledford@redhat.com>
This commit is contained in:
Bart Van Assche 2016-02-11 11:08:12 -08:00 committed by Doug Ledford
parent 2739b592d3
commit c13c90ea67
1 changed files with 12 additions and 2 deletions
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14
drivers/infiniband/ulp/srpt/ib_srpt.c
View File

@ -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);
}