diff options
| author | Don Hiatt | 2017-08-04 13:54:04 -0700 |
|---|---|---|
| committer | Doug Ledford | 2017-08-22 14:22:37 -0400 |
| commit | 30e07416cf48801f127019c1dfece8039f1da8e2 (patch) | |
| tree | c69ae167f278b8c1853471cfa1642bbf33b930af /drivers/infiniband/hw/hfi1/ruc.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/ruc.c')
| -rw-r--r-- | drivers/infiniband/hw/hfi1/ruc.c | 17 |
1 files changed, 9 insertions, 8 deletions
diff --git a/drivers/infiniband/hw/hfi1/ruc.c b/drivers/infiniband/hw/hfi1/ruc.c index 4afa00f921f2..e30c64fcce67 100644 --- a/drivers/infiniband/hw/hfi1/ruc.c +++ b/drivers/infiniband/hw/hfi1/ruc.c @@ -668,7 +668,8 @@ u32 hfi1_make_grh(struct hfi1_ibport *ibp, struct ib_grh *hdr, return sizeof(struct ib_grh) / sizeof(u32); } -#define BTH2_OFFSET (offsetof(struct hfi1_sdma_header, hdr.u.oth.bth[2]) / 4) +#define BTH2_OFFSET (offsetof(struct hfi1_sdma_header, \ + hdr.ibh.u.oth.bth[2]) / 4) /** * build_ahg - create ahg in s_ahg @@ -743,8 +744,8 @@ void hfi1_make_ruc_header(struct rvt_qp *qp, struct ib_other_headers *ohdr, if (unlikely(rdma_ah_get_ah_flags(&qp->remote_ah_attr) & IB_AH_GRH)) { qp->s_hdrwords += hfi1_make_grh(ibp, - &ps->s_txreq->phdr.hdr.u.l.grh, - rdma_ah_read_grh(&qp->remote_ah_attr), + &ps->s_txreq->phdr.hdr.ibh.u.l.grh, + &qp->remote_ah_attr.grh, qp->s_hdrwords, nwords); lrh0 = HFI1_LRH_GRH; middle = 0; @@ -773,14 +774,14 @@ void hfi1_make_ruc_header(struct rvt_qp *qp, struct ib_other_headers *ohdr, build_ahg(qp, bth2); else qp->s_flags &= ~RVT_S_AHG_VALID; - 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(&qp->remote_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); - ps->s_txreq->phdr.hdr.lrh[3] = + ps->s_txreq->phdr.hdr.ibh.lrh[3] = cpu_to_be16(ppd_from_ibp(ibp)->lid | - rdma_ah_get_path_bits(&qp->remote_ah_attr)); + rdma_ah_get_path_bits(&qp->remote_ah_attr)); bth0 |= hfi1_get_pkey(ibp, qp->s_pkey_index); bth0 |= extra_bytes << 20; ohdr->bth[0] = cpu_to_be32(bth0); |