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authorKaike Wan <kaike.wan@intel.com>2019-09-11 07:30:41 -0400
committerJason Gunthorpe <jgg@mellanox.com>2019-09-13 16:59:55 -0300
commitc05fc15634f9316d493cddb32319c2711b0d8f59 (patch)
treeb30754db22aeadfdd7d1ebadda4d03e82bdea749 /drivers/infiniband/hw/hfi1/tid_rdma.c
parent4db8fd4973329810c8549b08df12907e6fe921c2 (diff)
downloadtalos-op-linux-c05fc15634f9316d493cddb32319c2711b0d8f59.tar.gz
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IB/hfi1: Add traces for TID RDMA READ
This patch adds traces to debug packet loss and retry for TID RDMA READ protocol. Link: https://lore.kernel.org/r/20190911113041.126040.64541.stgit@awfm-01.aw.intel.com Reviewed-by: Mike Marciniszyn <mike.marciniszyn@intel.com> Signed-off-by: Kaike Wan <kaike.wan@intel.com> Signed-off-by: Mike Marciniszyn <mike.marciniszyn@intel.com> Signed-off-by: Dennis Dalessandro <dennis.dalessandro@intel.com> Signed-off-by: Jason Gunthorpe <jgg@mellanox.com>
Diffstat (limited to 'drivers/infiniband/hw/hfi1/tid_rdma.c')
-rw-r--r--drivers/infiniband/hw/hfi1/tid_rdma.c8
1 files changed, 8 insertions, 0 deletions
diff --git a/drivers/infiniband/hw/hfi1/tid_rdma.c b/drivers/infiniband/hw/hfi1/tid_rdma.c
index 6141f4edc6bf..b4dcc4d29f84 100644
--- a/drivers/infiniband/hw/hfi1/tid_rdma.c
+++ b/drivers/infiniband/hw/hfi1/tid_rdma.c
@@ -2646,6 +2646,9 @@ static bool handle_read_kdeth_eflags(struct hfi1_ctxtdata *rcd,
u32 fpsn;
lockdep_assert_held(&qp->r_lock);
+ trace_hfi1_rsp_read_kdeth_eflags(qp, ibpsn);
+ trace_hfi1_sender_read_kdeth_eflags(qp);
+ trace_hfi1_tid_read_sender_kdeth_eflags(qp, 0);
spin_lock(&qp->s_lock);
/* If the psn is out of valid range, drop the packet */
if (cmp_psn(ibpsn, qp->s_last_psn) < 0 ||
@@ -2710,6 +2713,8 @@ static bool handle_read_kdeth_eflags(struct hfi1_ctxtdata *rcd,
goto s_unlock;
req = wqe_to_tid_req(wqe);
+ trace_hfi1_tid_req_read_kdeth_eflags(qp, 0, wqe->wr.opcode, wqe->psn,
+ wqe->lpsn, req);
switch (rcv_type) {
case RHF_RCV_TYPE_EXPECTED:
switch (rte) {
@@ -2724,6 +2729,9 @@ static bool handle_read_kdeth_eflags(struct hfi1_ctxtdata *rcd,
* packets that could be still in the fabric.
*/
flow = &req->flows[req->clear_tail];
+ trace_hfi1_tid_flow_read_kdeth_eflags(qp,
+ req->clear_tail,
+ flow);
if (priv->s_flags & HFI1_R_TID_SW_PSN) {
diff = cmp_psn(psn,
flow->flow_state.r_next_psn);
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