diff options
| -rw-r--r-- | drivers/infiniband/core/cm.c | 50 | ||||
| -rw-r--r-- | include/rdma/opa_addr.h | 18 |
2 files changed, 60 insertions, 8 deletions
diff --git a/drivers/infiniband/core/cm.c b/drivers/infiniband/core/cm.c index b39ee16aa479..885c429b4942 100644 --- a/drivers/infiniband/core/cm.c +++ b/drivers/infiniband/core/cm.c @@ -1175,6 +1175,11 @@ static void cm_format_req(struct cm_req_msg *req_msg, { struct sa_path_rec *pri_path = param->primary_path; struct sa_path_rec *alt_path = param->alternate_path; + bool pri_ext = false; + + if (pri_path->rec_type == SA_PATH_REC_TYPE_OPA) + pri_ext = opa_is_extended_lid(pri_path->opa.dlid, + pri_path->opa.slid); cm_format_mad_hdr(&req_msg->hdr, CM_REQ_ATTR_ID, cm_form_tid(cm_id_priv, CM_MSG_SEQUENCE_REQ)); @@ -1202,18 +1207,24 @@ static void cm_format_req(struct cm_req_msg *req_msg, cm_req_set_srq(req_msg, param->srq); } + req_msg->primary_local_gid = pri_path->sgid; + req_msg->primary_remote_gid = pri_path->dgid; + if (pri_ext) { + req_msg->primary_local_gid.global.interface_id + = OPA_MAKE_ID(be32_to_cpu(pri_path->opa.slid)); + req_msg->primary_remote_gid.global.interface_id + = OPA_MAKE_ID(be32_to_cpu(pri_path->opa.dlid)); + } if (pri_path->hop_limit <= 1) { - req_msg->primary_local_lid = + req_msg->primary_local_lid = pri_ext ? 0 : htons(ntohl(sa_path_get_slid(pri_path))); - req_msg->primary_remote_lid = + req_msg->primary_remote_lid = pri_ext ? 0 : htons(ntohl(sa_path_get_dlid(pri_path))); } else { /* Work-around until there's a way to obtain remote LID info */ req_msg->primary_local_lid = IB_LID_PERMISSIVE; req_msg->primary_remote_lid = IB_LID_PERMISSIVE; } - req_msg->primary_local_gid = pri_path->sgid; - req_msg->primary_remote_gid = pri_path->dgid; cm_req_set_primary_flow_label(req_msg, pri_path->flow_label); cm_req_set_primary_packet_rate(req_msg, pri_path->rate); req_msg->primary_traffic_class = pri_path->traffic_class; @@ -1225,17 +1236,29 @@ static void cm_format_req(struct cm_req_msg *req_msg, pri_path->packet_life_time)); if (alt_path) { + bool alt_ext = false; + + if (alt_path->rec_type == SA_PATH_REC_TYPE_OPA) + alt_ext = opa_is_extended_lid(alt_path->opa.dlid, + alt_path->opa.slid); + + req_msg->alt_local_gid = alt_path->sgid; + req_msg->alt_remote_gid = alt_path->dgid; + if (alt_ext) { + req_msg->alt_local_gid.global.interface_id + = OPA_MAKE_ID(be32_to_cpu(alt_path->opa.slid)); + req_msg->alt_remote_gid.global.interface_id + = OPA_MAKE_ID(be32_to_cpu(alt_path->opa.dlid)); + } if (alt_path->hop_limit <= 1) { - req_msg->alt_local_lid = + req_msg->alt_local_lid = alt_ext ? 0 : htons(ntohl(sa_path_get_slid(alt_path))); - req_msg->alt_remote_lid = + req_msg->alt_remote_lid = alt_ext ? 0 : htons(ntohl(sa_path_get_dlid(alt_path))); } else { req_msg->alt_local_lid = IB_LID_PERMISSIVE; req_msg->alt_remote_lid = IB_LID_PERMISSIVE; } - req_msg->alt_local_gid = alt_path->sgid; - req_msg->alt_remote_gid = alt_path->dgid; cm_req_set_alt_flow_label(req_msg, alt_path->flow_label); cm_req_set_alt_packet_rate(req_msg, alt_path->rate); @@ -2843,6 +2866,11 @@ static void cm_format_lap(struct cm_lap_msg *lap_msg, const void *private_data, u8 private_data_len) { + bool alt_ext = false; + + if (alternate_path->rec_type == SA_PATH_REC_TYPE_OPA) + alt_ext = opa_is_extended_lid(alternate_path->opa.dlid, + alternate_path->opa.slid); cm_format_mad_hdr(&lap_msg->hdr, CM_LAP_ATTR_ID, cm_form_tid(cm_id_priv, CM_MSG_SEQUENCE_LAP)); lap_msg->local_comm_id = cm_id_priv->id.local_id; @@ -2856,6 +2884,12 @@ static void cm_format_lap(struct cm_lap_msg *lap_msg, htons(ntohl(sa_path_get_dlid(alternate_path))); lap_msg->alt_local_gid = alternate_path->sgid; lap_msg->alt_remote_gid = alternate_path->dgid; + if (alt_ext) { + lap_msg->alt_local_gid.global.interface_id + = OPA_MAKE_ID(be32_to_cpu(alternate_path->opa.slid)); + lap_msg->alt_remote_gid.global.interface_id + = OPA_MAKE_ID(be32_to_cpu(alternate_path->opa.dlid)); + } cm_lap_set_flow_label(lap_msg, alternate_path->flow_label); cm_lap_set_traffic_class(lap_msg, alternate_path->traffic_class); lap_msg->alt_hop_limit = alternate_path->hop_limit; diff --git a/include/rdma/opa_addr.h b/include/rdma/opa_addr.h index 46d0567fffea..9b5e642cf550 100644 --- a/include/rdma/opa_addr.h +++ b/include/rdma/opa_addr.h @@ -77,4 +77,22 @@ static inline u32 opa_get_lid_from_gid(union ib_gid *gid) { return be64_to_cpu(gid->global.interface_id) & 0xFFFFFFFF; } + +/** + * opa_is_extended_lid: Returns true if dlid or slid are + * extended. + * + * @dlid: The DLID + * @slid: The SLID + */ +static inline bool opa_is_extended_lid(u32 dlid, u32 slid) +{ + if ((be32_to_cpu(dlid) >= + be16_to_cpu(IB_MULTICAST_LID_BASE)) || + (be32_to_cpu(slid) >= + be16_to_cpu(IB_MULTICAST_LID_BASE))) + return true; + else + return false; +} #endif /* OPA_ADDR_H */ |