IB/mlx4: Add debug prints
Define pr_fmt and add some pr_debug prints.
Signed-off-by: Jack Morgenstein <jackm@dev.mellanox.co.il>
Signed-off-by: Roland Dreier <roland@purestorage.com>
diff --git a/drivers/infiniband/hw/mlx4/mad.c b/drivers/infiniband/hw/mlx4/mad.c
index 259b067..84786a9 100644
--- a/drivers/infiniband/hw/mlx4/mad.c
+++ b/drivers/infiniband/hw/mlx4/mad.c
@@ -242,6 +242,25 @@
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) {