diff options
| author | Bart Van Assche <bart.vanassche@sandisk.com> | 2016-02-11 22:08:12 +0300 |
|---|---|---|
| committer | Doug Ledford <dledford@redhat.com> | 2016-03-01 01:12:36 +0300 |
| commit | c13c90ea6762d834a07c0aa18134d98794f6fc3d (patch) | |
| tree | 05a157459a8b46d937c02f84de41ccf2c7e33521 | |
| parent | 2739b592d360fd2031262c034f0f73f6f4b7c394 (diff) | |
| download | linux-c13c90ea6762d834a07c0aa18134d98794f6fc3d.tar.xz | |
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>
| -rw-r--r-- | drivers/infiniband/ulp/srpt/ib_srpt.c | 14 |
1 files changed, 12 insertions, 2 deletions
diff --git a/drivers/infiniband/ulp/srpt/ib_srpt.c b/drivers/infiniband/ulp/srpt/ib_srpt.c index 10bc1333a62c..0bf204ec443e 100644 --- a/drivers/infiniband/ulp/srpt/ib_srpt.c +++ b/drivers/infiniband/ulp/srpt/ib_srpt.c @@ -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); } |