diff options
| author | Don Hiatt | 2017-08-04 22:54:04 +0200 |
|---|---|---|
| committer | Doug Ledford | 2017-08-22 20:22:37 +0200 |
| commit | 30e07416cf48801f127019c1dfece8039f1da8e2 (patch) | |
| tree | c69ae167f278b8c1853471cfa1642bbf33b930af /drivers/infiniband/hw/hfi1/ud.c | |
| parent | IB/hfi1: Add support to receive 16B bypass packets (diff) | |
| download | kernel-qcow2-linux-30e07416cf48801f127019c1dfece8039f1da8e2.tar.gz kernel-qcow2-linux-30e07416cf48801f127019c1dfece8039f1da8e2.tar.xz kernel-qcow2-linux-30e07416cf48801f127019c1dfece8039f1da8e2.zip | |
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/ud.c')
| -rw-r--r-- | drivers/infiniband/hw/hfi1/ud.c | 25 |
1 files changed, 13 insertions, 12 deletions
diff --git a/drivers/infiniband/hw/hfi1/ud.c b/drivers/infiniband/hw/hfi1/ud.c index dcf8c14c6d0e..2af993cbe5af 100644 --- a/drivers/infiniband/hw/hfi1/ud.c +++ b/drivers/infiniband/hw/hfi1/ud.c @@ -357,12 +357,13 @@ int hfi1_make_ud_req(struct rvt_qp *qp, struct hfi1_pkt_state *ps) if (rdma_ah_get_ah_flags(ah_attr) & IB_AH_GRH) { /* Header size in 32-bit words. */ - qp->s_hdrwords += hfi1_make_grh(ibp, - &ps->s_txreq->phdr.hdr.u.l.grh, - rdma_ah_read_grh(ah_attr), - qp->s_hdrwords, nwords); + qp->s_hdrwords += + hfi1_make_grh(ibp, + &ps->s_txreq->phdr.hdr.ibh.u.l.grh, + rdma_ah_read_grh(ah_attr), + qp->s_hdrwords, nwords); lrh0 = HFI1_LRH_GRH; - ohdr = &ps->s_txreq->phdr.hdr.u.l.oth; + ohdr = &ps->s_txreq->phdr.hdr.ibh.u.l.oth; /* * Don't worry about sending to locally attached multicast * QPs. It is unspecified by the spec. what happens. @@ -370,7 +371,7 @@ int hfi1_make_ud_req(struct rvt_qp *qp, struct hfi1_pkt_state *ps) } else { /* Header size in 32-bit words. */ lrh0 = HFI1_LRH_BTH; - ohdr = &ps->s_txreq->phdr.hdr.u.oth; + ohdr = &ps->s_txreq->phdr.hdr.ibh.u.oth; } if (wqe->wr.opcode == IB_WR_SEND_WITH_IMM) { qp->s_hdrwords++; @@ -392,21 +393,21 @@ int hfi1_make_ud_req(struct rvt_qp *qp, struct hfi1_pkt_state *ps) ps->s_txreq->sde = priv->s_sde; priv->s_sendcontext = qp_to_send_context(qp, priv->s_sc); ps->s_txreq->psc = priv->s_sendcontext; - ps->s_txreq->phdr.hdr.lrh[0] = cpu_to_be16(lrh0); - ps->s_txreq->phdr.hdr.lrh[1] = + ps->s_txreq->phdr.hdr.ibh.lrh[0] = cpu_to_be16(lrh0); + ps->s_txreq->phdr.hdr.ibh.lrh[1] = cpu_to_be16(rdma_ah_get_dlid(ah_attr)); - ps->s_txreq->phdr.hdr.lrh[2] = + ps->s_txreq->phdr.hdr.ibh.lrh[2] = cpu_to_be16(qp->s_hdrwords + nwords + SIZE_OF_CRC); if (rdma_ah_get_dlid(ah_attr) == be16_to_cpu(IB_LID_PERMISSIVE)) { - ps->s_txreq->phdr.hdr.lrh[3] = IB_LID_PERMISSIVE; + ps->s_txreq->phdr.hdr.ibh.lrh[3] = IB_LID_PERMISSIVE; } else { lid = ppd->lid; if (lid) { lid |= rdma_ah_get_path_bits(ah_attr) & ((1 << ppd->lmc) - 1); - ps->s_txreq->phdr.hdr.lrh[3] = cpu_to_be16(lid); + ps->s_txreq->phdr.hdr.ibh.lrh[3] = cpu_to_be16(lid); } else { - ps->s_txreq->phdr.hdr.lrh[3] = IB_LID_PERMISSIVE; + ps->s_txreq->phdr.hdr.ibh.lrh[3] = IB_LID_PERMISSIVE; } } if (wqe->wr.send_flags & IB_SEND_SOLICITED) |