iser-target: Add vendor_err debug output

Add output for ib_wc.vendor_err in isert_cq_[t,r]x_work(), which
is useful for debugging future issues.

Reported-by: Or Gerlitz <ogerlitz@mellanox.com>
Signed-off-by: Nicholas Bellinger <nab@linux-iscsi.org>

diff --git a/drivers/infiniband/ulp/isert/ib_isert.c b/drivers/infiniband/ulp/isert/ib_isert.c
index d6cc599..66712bd 100644 (file)
--- a/drivers/infiniband/ulp/isert/ib_isert.c
+++ b/drivers/infiniband/ulp/isert/ib_isert.c
@@ -1487,6 +1487,7 @@ isert_cq_tx_work(struct work_struct *work)
                } else {
                        pr_debug("TX wc.status != IB_WC_SUCCESS >>>>>>>>>>>>>>\n");
                        pr_debug("TX wc.status: 0x%08x\n", wc.status);
+                       pr_debug("TX wc.vendor_err: 0x%08x\n", wc.vendor_err);
                        atomic_dec(&isert_conn->post_send_buf_count);
                        isert_cq_comp_err(tx_desc, isert_conn);
                }
@@ -1526,9 +1527,11 @@ isert_cq_rx_work(struct work_struct *work)
                        isert_rx_completion(rx_desc, isert_conn, xfer_len);
                } else {
                        pr_debug("RX wc.status != IB_WC_SUCCESS >>>>>>>>>>>>>>\n");
-                       if (wc.status != IB_WC_WR_FLUSH_ERR)
+                       if (wc.status != IB_WC_WR_FLUSH_ERR) {
                                pr_debug("RX wc.status: 0x%08x\n", wc.status);
-
+                               pr_debug("RX wc.vendor_err: 0x%08x\n",
+                                        wc.vendor_err);
+                       }
                        isert_conn->post_recv_buf_count--;
                        isert_cq_comp_err(NULL, isert_conn);
                }