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>
diff --git a/drivers/infiniband/hw/hfi1/verbs.c b/drivers/infiniband/hw/hfi1/verbs.c
index ebddab1..4aec805 100644
--- a/drivers/infiniband/hw/hfi1/verbs.c
+++ b/drivers/infiniband/hw/hfi1/verbs.c
@@ -506,6 +506,24 @@ void hfi1_copy_sge(
}
}
+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)