diff options
| author |   Don Hiatt <don.hiatt@intel.com> | 2017-08-04 13:54:16 -0700 |
|---|---|---|
| committer |   Doug Ledford <dledford@redhat.com> | 2017-08-22 14:22:37 -0400 |
| commit | d98bb7f7e6fa29d45008370084d5cabac7ac69ed (patch) | |
| tree | 038e3cfcf118c4d7a6053b003ff130985a6a1fab /drivers/infiniband/core/sa_query.c | |
| parent | IB/hfi1: Add support to process 16B header errors (diff) | |
| download | linux-dev-d98bb7f7e6fa29d45008370084d5cabac7ac69ed.tar.xz linux-dev-d98bb7f7e6fa29d45008370084d5cabac7ac69ed.zip | |
IB/hfi1: Determine 9B/16B L2 header type based on Address handle
When address handle attributes are initialized, the LIDs are
transformed to be in the 32 bit LID space.
When constructing the header, hfi1 driver will look at the LID
to determine the packet header to be created.
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/core/sa_query.c')
| -rw-r--r-- | drivers/infiniband/core/sa_query.c | 21 |
1 files changed, 15 insertions, 6 deletions
diff --git a/drivers/infiniband/core/sa_query.c b/drivers/infiniband/core/sa_query.c index da29e2863c84..0179b21bad34 100644 --- a/drivers/infiniband/core/sa_query.c +++ b/drivers/infiniband/core/sa_query.c @@ -50,6 +50,7 @@ #include <uapi/rdma/ib_user_sa.h> #include <rdma/ib_marshall.h> #include <rdma/ib_addr.h> +#include <rdma/opa_addr.h> #include "sa.h" #include "core_priv.h" @@ -1239,6 +1240,11 @@ int ib_init_ah_from_path(struct ib_device *device, u8 port_num, ah_attr->type = rdma_ah_find_type(device, port_num); rdma_ah_set_dlid(ah_attr, be32_to_cpu(sa_path_get_dlid(rec))); + + if ((ah_attr->type == RDMA_AH_ATTR_TYPE_OPA) && + (rdma_ah_get_dlid(ah_attr) == be16_to_cpu(IB_LID_PERMISSIVE))) + rdma_ah_set_make_grd(ah_attr, true); + rdma_ah_set_sl(ah_attr, rec->sl); rdma_ah_set_path_bits(ah_attr, be32_to_cpu(sa_path_get_slid(rec)) & get_src_path_mask(device, port_num)); @@ -2288,12 +2294,15 @@ static void update_sm_ah(struct work_struct *work) rdma_ah_set_sl(&ah_attr, port_attr.sm_sl); rdma_ah_set_port_num(&ah_attr, port->port_num); if (port_attr.grh_required) { - rdma_ah_set_ah_flags(&ah_attr, IB_AH_GRH); - - rdma_ah_set_subnet_prefix(&ah_attr, - cpu_to_be64(port_attr.subnet_prefix)); - rdma_ah_set_interface_id(&ah_attr, - cpu_to_be64(IB_SA_WELL_KNOWN_GUID)); + if (ah_attr.type == RDMA_AH_ATTR_TYPE_OPA) { + rdma_ah_set_make_grd(&ah_attr, true); + } else { + rdma_ah_set_ah_flags(&ah_attr, IB_AH_GRH); + rdma_ah_set_subnet_prefix(&ah_attr, + cpu_to_be64(port_attr.subnet_prefix)); + rdma_ah_set_interface_id(&ah_attr, + cpu_to_be64(IB_SA_WELL_KNOWN_GUID)); + } } new_ah->ah = rdma_create_ah(port->agent->qp->pd, &ah_attr); |