diff options
| author | Don Hiatt <don.hiatt@intel.com> | 2017-08-04 13:54:23 -0700 |
|---|---|---|
| committer | Doug Ledford <dledford@redhat.com> | 2017-08-22 14:22:37 -0400 |
| commit | 88733e3b845024cb2324a68469a4a25fdd9c0a6c (patch) | |
| tree | 2701e93735e12d43bfb14ac7042c69423fd70483 /drivers/infiniband/hw/hfi1/driver.c | |
| parent | d98bb7f7e6fa29d45008370084d5cabac7ac69ed (diff) | |
| download | linux-88733e3b845024cb2324a68469a4a25fdd9c0a6c.tar.bz2 | |
IB/hfi1: Add 16B UD support
Add 16B bypass packet support for UD traffic types.
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/driver.c')
| -rw-r--r-- | drivers/infiniband/hw/hfi1/driver.c | 35 |
1 files changed, 21 insertions, 14 deletions
diff --git a/drivers/infiniband/hw/hfi1/driver.c b/drivers/infiniband/hw/hfi1/driver.c index ae6a90d2a31c..fc7085d6cf3f 100644 --- a/drivers/infiniband/hw/hfi1/driver.c +++ b/drivers/infiniband/hw/hfi1/driver.c @@ -437,23 +437,33 @@ void hfi1_process_ecn_slowpath(struct rvt_qp *qp, struct hfi1_packet *pkt, bool do_cnp) { struct hfi1_ibport *ibp = to_iport(qp->ibqp.device, qp->port_num); - struct ib_header *hdr = pkt->hdr; struct ib_other_headers *ohdr = pkt->ohdr; struct ib_grh *grh = pkt->grh; u32 rqpn = 0, bth1; - u16 rlid, dlid = ib_get_dlid(hdr); - u8 sc, svc_type; + u16 pkey, rlid, dlid = ib_get_dlid(pkt->hdr); + u8 hdr_type, sc, svc_type; bool is_mcast = false; + if (pkt->etype == RHF_RCV_TYPE_BYPASS) { + is_mcast = hfi1_is_16B_mcast(dlid); + pkey = hfi1_16B_get_pkey(pkt->hdr); + sc = hfi1_16B_get_sc(pkt->hdr); + hdr_type = HFI1_PKT_TYPE_16B; + } else { + is_mcast = (dlid > be16_to_cpu(IB_MULTICAST_LID_BASE)) && + (dlid != be16_to_cpu(IB_LID_PERMISSIVE)); + pkey = ib_bth_get_pkey(ohdr); + sc = hfi1_9B_get_sc5(pkt->hdr, pkt->rhf); + hdr_type = HFI1_PKT_TYPE_9B; + } + switch (qp->ibqp.qp_type) { case IB_QPT_SMI: case IB_QPT_GSI: case IB_QPT_UD: - rlid = ib_get_slid(hdr); - rqpn = ib_get_sqpn(ohdr); + rlid = ib_get_slid(pkt->hdr); + rqpn = ib_get_sqpn(pkt->ohdr); svc_type = IB_CC_SVCTYPE_UD; - is_mcast = (dlid > be16_to_cpu(IB_MULTICAST_LID_BASE)) && - (dlid != be16_to_cpu(IB_LID_PERMISSIVE)); break; case IB_QPT_UC: rlid = rdma_ah_get_dlid(&qp->remote_ah_attr); @@ -469,14 +479,11 @@ void hfi1_process_ecn_slowpath(struct rvt_qp *qp, struct hfi1_packet *pkt, return; } - sc = hfi1_9B_get_sc5(hdr, pkt->rhf); - bth1 = be32_to_cpu(ohdr->bth[1]); - if (do_cnp && (bth1 & IB_FECN_SMASK)) { - u16 pkey = ib_bth_get_pkey(ohdr); - - return_cnp(ibp, qp, rqpn, pkey, dlid, rlid, sc, grh); - } + /* Call appropriate CNP handler */ + if (do_cnp && (bth1 & IB_FECN_SMASK)) + hfi1_handle_cnp_tbl[hdr_type](ibp, qp, rqpn, pkey, + dlid, rlid, sc, grh); if (!is_mcast && (bth1 & IB_BECN_SMASK)) { struct hfi1_pportdata *ppd = ppd_from_ibp(ibp); |