IB/mlx4: Add debug prints

[cascardo/linux.git] / drivers / infiniband / hw / mlx4 / mad.c

diff --git a/drivers/infiniband/hw/mlx4/mad.c b/drivers/infiniband/hw/mlx4/mad.c
index 259b067..84786a9 100644 (file)
--- a/drivers/infiniband/hw/mlx4/mad.c
+++ b/drivers/infiniband/hw/mlx4/mad.c
@@ -242,6 +242,25 @@ static int ib_process_mad(struct ib_device *ibdev, int mad_flags, u8 port_num,
        int err;
        struct ib_port_attr pattr;
 
+       if (in_wc && in_wc->qp->qp_num) {
+               pr_debug("received MAD: slid:%d sqpn:%d "
+                       "dlid_bits:%d dqpn:%d wc_flags:0x%x, cls %x, mtd %x, atr %x\n",
+                       in_wc->slid, in_wc->src_qp,
+                       in_wc->dlid_path_bits,
+                       in_wc->qp->qp_num,
+                       in_wc->wc_flags,
+                       in_mad->mad_hdr.mgmt_class, in_mad->mad_hdr.method,
+                       be16_to_cpu(in_mad->mad_hdr.attr_id));
+               if (in_wc->wc_flags & IB_WC_GRH) {
+                       pr_debug("sgid_hi:0x%016llx sgid_lo:0x%016llx\n",
+                                be64_to_cpu(in_grh->sgid.global.subnet_prefix),
+                                be64_to_cpu(in_grh->sgid.global.interface_id));
+                       pr_debug("dgid_hi:0x%016llx dgid_lo:0x%016llx\n",
+                                be64_to_cpu(in_grh->dgid.global.subnet_prefix),
+                                be64_to_cpu(in_grh->dgid.global.interface_id));
+               }
+       }
+
        slid = in_wc ? in_wc->slid : be16_to_cpu(IB_LID_PERMISSIVE);
 
        if (in_mad->mad_hdr.method == IB_MGMT_METHOD_TRAP && slid == 0) {