diff options
| author | Kaike Wan <kaike.wan@intel.com> | 2019-09-11 13:30:41 +0200 |
|---|---|---|
| committer | Jason Gunthorpe <jgg@mellanox.com> | 2019-09-13 21:59:55 +0200 |
| commit | c05fc15634f9316d493cddb32319c2711b0d8f59 (patch) | |
| tree | b30754db22aeadfdd7d1ebadda4d03e82bdea749 /drivers/infiniband/hw/hfi1/tid_rdma.c | |
| parent | RDMA/siw: Relax from kmap_atomic() use in TX path (diff) | |
| download | linux-c05fc15634f9316d493cddb32319c2711b0d8f59.tar.xz linux-c05fc15634f9316d493cddb32319c2711b0d8f59.zip | |
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.c | 8 |
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); |