diff options
| author | Don Hiatt <don.hiatt@intel.com> | 2017-08-04 23:54:04 +0300 |
|---|---|---|
| committer | Doug Ledford <dledford@redhat.com> | 2017-08-22 21:22:37 +0300 |
| commit | 30e07416cf48801f127019c1dfece8039f1da8e2 (patch) | |
| tree | c69ae167f278b8c1853471cfa1642bbf33b930af /drivers/infiniband/hw/hfi1/verbs.h | |
| parent | 72c07e2b671eda1cf3e8ebabc664f542f673b997 (diff) | |
| download | linux-30e07416cf48801f127019c1dfece8039f1da8e2.tar.xz | |
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.h')
| -rw-r--r-- | drivers/infiniband/hw/hfi1/verbs.h | 22 |
1 files changed, 10 insertions, 12 deletions
diff --git a/drivers/infiniband/hw/hfi1/verbs.h b/drivers/infiniband/hw/hfi1/verbs.h index 590aab270f98..20224100cbc5 100644 --- a/drivers/infiniband/hw/hfi1/verbs.h +++ b/drivers/infiniband/hw/hfi1/verbs.h @@ -115,6 +115,14 @@ struct hfi1_16b_header { } u; } __packed; +struct hfi1_opa_header { + union { + struct ib_header ibh; /* 9B header */ + struct hfi1_16b_header opah; /* 16B header */ + }; + u8 hdr_type; /* 9B or 16B */ +} __packed; + struct hfi1_ahg_info { u32 ahgdesc[2]; u16 tx_flags; @@ -124,7 +132,7 @@ struct hfi1_ahg_info { struct hfi1_sdma_header { __le64 pbc; - struct ib_header hdr; + struct hfi1_opa_header hdr; } __packed; /* @@ -326,7 +334,7 @@ u8 ah_to_sc(struct ib_device *ibdev, struct rdma_ah_attr *ah_attr); struct ib_ah *hfi1_create_qp0_ah(struct hfi1_ibport *ibp, u16 dlid); -void hfi1_rc_send_complete(struct rvt_qp *qp, struct ib_header *hdr); +void hfi1_rc_send_complete(struct rvt_qp *qp, struct hfi1_opa_header *opah); void hfi1_ud_rcv(struct hfi1_packet *packet); @@ -347,16 +355,6 @@ int hfi1_check_send_wqe(struct rvt_qp *qp, struct rvt_swqe *wqe); extern const u32 rc_only_opcode; extern const u32 uc_only_opcode; -static inline u8 get_opcode(struct ib_header *h) -{ - u16 lnh = be16_to_cpu(h->lrh[0]) & 3; - - if (lnh == IB_LNH_IBA_LOCAL) - return be32_to_cpu(h->u.oth.bth[0]) >> 24; - else - return be32_to_cpu(h->u.l.oth.bth[0]) >> 24; -} - int hfi1_ruc_check_hdr(struct hfi1_ibport *ibp, struct hfi1_packet *packet); u32 hfi1_make_grh(struct hfi1_ibport *ibp, struct ib_grh *hdr, |