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>
这个提交包含在:
Don Hiatt
2017-08-04 13:54:04 -07:00
提交者 Doug Ledford
父节点 72c07e2b67
当前提交 30e07416cf
修改 7 个文件,包含 84 行新增60 行删除

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@@ -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)