diff options
| author | Don Hiatt <don.hiatt@intel.com> | 2017-08-04 13:54:04 -0700 |
|---|---|---|
| committer | Doug Ledford <dledford@redhat.com> | 2017-08-22 14:22:37 -0400 |
| commit | 30e07416cf48801f127019c1dfece8039f1da8e2 (patch) | |
| tree | c69ae167f278b8c1853471cfa1642bbf33b930af /drivers/infiniband/hw/hfi1/verbs.c | |
| parent | 72c07e2b671eda1cf3e8ebabc664f542f673b997 (diff) | |
IB/hfi1: Add support to send 16B bypass packets
We introduce struct hfi1_opa_header as a union
of ib (9B) and 16B headers.
Reviewed-by: Dennis Dalessandro <dennis.dalessandro@intel.com>
Signed-off-by: Dasaratharaman Chandramouli <dasaratharaman.chandramouli@intel.com>
Signed-off-by: Don Hiatt <don.hiatt@intel.com>
Signed-off-by: Dennis Dalessandro <dennis.dalessandro@intel.com>
Signed-off-by: Doug Ledford <dledford@redhat.com>
Diffstat (limited to 'drivers/infiniband/hw/hfi1/verbs.c')
| -rw-r--r-- | drivers/infiniband/hw/hfi1/verbs.c | 24 |
1 files changed, 21 insertions, 3 deletions
diff --git a/drivers/infiniband/hw/hfi1/verbs.c b/drivers/infiniband/hw/hfi1/verbs.c index ebddab1a06f4..4aec805c645d 100644 --- a/drivers/infiniband/hw/hfi1/verbs.c +++ b/drivers/infiniband/hw/hfi1/verbs.c @@ -506,6 +506,24 @@ again: } } +static u8 get_opcode(struct hfi1_opa_header *hdr) +{ + struct ib_other_headers *ohdr; + + if (hdr->hdr_type) { + if (hfi1_16B_get_l4(&hdr->opah) == OPA_16B_L4_IB_LOCAL) + ohdr = &hdr->opah.u.oth; + else + ohdr = &hdr->opah.u.l.oth; + } else { + if (ib_get_lnh(&hdr->ibh) == HFI1_LRH_BTH) + ohdr = &hdr->ibh.u.oth; + else + ohdr = &hdr->ibh.u.l.oth; + } + return ib_bth_get_opcode(ohdr); +} + /* * Make sure the QP is ready and able to accept the given opcode. */ @@ -686,7 +704,7 @@ static void verbs_sdma_complete( if (tx->wqe) { hfi1_send_complete(qp, tx->wqe, IB_WC_SUCCESS); } else if (qp->ibqp.qp_type == IB_QPT_RC) { - struct ib_header *hdr; + struct hfi1_opa_header *hdr; hdr = &tx->phdr.hdr; hfi1_rc_send_complete(qp, hdr); @@ -1175,7 +1193,7 @@ static inline send_routine get_send_routine(struct rvt_qp *qp, { struct hfi1_devdata *dd = dd_from_ibdev(qp->ibqp.device); struct hfi1_qp_priv *priv = qp->priv; - struct ib_header *h = &tx->phdr.hdr; + struct hfi1_opa_header *h = &tx->phdr.hdr; if (unlikely(!(dd->flags & HFI1_HAS_SEND_DMA))) return dd->process_pio_send; @@ -1221,7 +1239,7 @@ int hfi1_verbs_send(struct rvt_qp *qp, struct hfi1_pkt_state *ps) int ret; u8 lnh; - hdr = &ps->s_txreq->phdr.hdr; + hdr = &ps->s_txreq->phdr.hdr.ibh; /* locate the pkey within the headers */ lnh = ib_get_lnh(hdr); if (lnh == HFI1_LRH_GRH) |