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IB/SA: Add OPA path record type
Add opa_sa_path_rec to sa_path_rec data structure. The 'type' field in sa_path_rec identifies the type of the path record. Reviewed-by: Don Hiatt <don.hiatt@intel.com> Reviewed-by: Ira Weiny <ira.weiny@intel.com> Signed-off-by: Dasaratharaman Chandramouli <dasaratharaman.chandramouli@intel.com> Signed-off-by: Doug Ledford <dledford@redhat.com>
This commit is contained in:
Dasaratharaman Chandramouli
Doug Ledford
parent
9fdca4da4d
commit
5752075144
8 changed files with 197 additions and 42 deletions
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@ -1203,8 +1203,10 @@ static void cm_format_req(struct cm_req_msg *req_msg,
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}
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if (pri_path->hop_limit <= 1) {
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req_msg->primary_local_lid = sa_path_get_slid(pri_path);
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req_msg->primary_remote_lid = sa_path_get_dlid(pri_path);
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req_msg->primary_local_lid =
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htons(ntohl(sa_path_get_slid(pri_path)));
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req_msg->primary_remote_lid =
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htons(ntohl(sa_path_get_dlid(pri_path)));
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} else {
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/* Work-around until there's a way to obtain remote LID info */
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req_msg->primary_local_lid = IB_LID_PERMISSIVE;
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@ -1224,8 +1226,10 @@ static void cm_format_req(struct cm_req_msg *req_msg,
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if (alt_path) {
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if (alt_path->hop_limit <= 1) {
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req_msg->alt_local_lid = sa_path_get_slid(alt_path);
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req_msg->alt_remote_lid = sa_path_get_dlid(alt_path);
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req_msg->alt_local_lid =
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htons(ntohl(sa_path_get_slid(alt_path)));
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req_msg->alt_remote_lid =
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htons(ntohl(sa_path_get_dlid(alt_path)));
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} else {
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req_msg->alt_local_lid = IB_LID_PERMISSIVE;
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req_msg->alt_remote_lid = IB_LID_PERMISSIVE;
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@ -1407,8 +1411,10 @@ static void cm_format_paths_from_req(struct cm_req_msg *req_msg,
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{
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primary_path->dgid = req_msg->primary_local_gid;
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primary_path->sgid = req_msg->primary_remote_gid;
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sa_path_set_dlid(primary_path, req_msg->primary_local_lid);
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sa_path_set_slid(primary_path, req_msg->primary_remote_lid);
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sa_path_set_dlid(primary_path,
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htonl(ntohs(req_msg->primary_local_lid)));
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sa_path_set_slid(primary_path,
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htonl(ntohs(req_msg->primary_remote_lid)));
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primary_path->flow_label = cm_req_get_primary_flow_label(req_msg);
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primary_path->hop_limit = req_msg->primary_hop_limit;
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primary_path->traffic_class = req_msg->primary_traffic_class;
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@ -1428,8 +1434,10 @@ static void cm_format_paths_from_req(struct cm_req_msg *req_msg,
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if (req_msg->alt_local_lid) {
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alt_path->dgid = req_msg->alt_local_gid;
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alt_path->sgid = req_msg->alt_remote_gid;
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sa_path_set_dlid(alt_path, req_msg->alt_local_lid);
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sa_path_set_slid(alt_path, req_msg->alt_remote_lid);
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sa_path_set_dlid(alt_path,
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htonl(ntohs(req_msg->alt_local_lid)));
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sa_path_set_slid(alt_path,
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htonl(ntohs(req_msg->alt_remote_lid)));
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alt_path->flow_label = cm_req_get_alt_flow_label(req_msg);
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alt_path->hop_limit = req_msg->alt_hop_limit;
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alt_path->traffic_class = req_msg->alt_traffic_class;
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@ -2842,8 +2850,10 @@ static void cm_format_lap(struct cm_lap_msg *lap_msg,
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cm_lap_set_remote_qpn(lap_msg, cm_id_priv->remote_qpn);
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/* todo: need remote CM response timeout */
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cm_lap_set_remote_resp_timeout(lap_msg, 0x1F);
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lap_msg->alt_local_lid = sa_path_get_slid(alternate_path);
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lap_msg->alt_remote_lid = sa_path_get_dlid(alternate_path);
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lap_msg->alt_local_lid =
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htons(ntohl(sa_path_get_slid(alternate_path)));
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lap_msg->alt_remote_lid =
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htons(ntohl(sa_path_get_dlid(alternate_path)));
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lap_msg->alt_local_gid = alternate_path->sgid;
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lap_msg->alt_remote_gid = alternate_path->dgid;
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cm_lap_set_flow_label(lap_msg, alternate_path->flow_label);
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@ -2922,8 +2932,8 @@ static void cm_format_path_from_lap(struct cm_id_private *cm_id_priv,
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path->rec_type = SA_PATH_REC_TYPE_IB;
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path->dgid = lap_msg->alt_local_gid;
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path->sgid = lap_msg->alt_remote_gid;
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sa_path_set_dlid(path, lap_msg->alt_local_lid);
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sa_path_set_slid(path, lap_msg->alt_remote_lid);
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sa_path_set_dlid(path, htonl(ntohs(lap_msg->alt_local_lid)));
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sa_path_set_slid(path, htonl(ntohs(lap_msg->alt_remote_lid)));
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path->flow_label = cm_lap_get_flow_label(lap_msg);
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path->hop_limit = lap_msg->alt_hop_limit;
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path->traffic_class = cm_lap_get_traffic_class(lap_msg);
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@ -1110,9 +1110,9 @@ int ib_init_ah_from_path(struct ib_device *device, u8 port_num,
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memset(ah_attr, 0, sizeof *ah_attr);
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ah_attr->type = rdma_ah_find_type(device, port_num);
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rdma_ah_set_dlid(ah_attr, be16_to_cpu(sa_path_get_dlid(rec)));
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rdma_ah_set_dlid(ah_attr, be32_to_cpu(sa_path_get_dlid(rec)));
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rdma_ah_set_sl(ah_attr, rec->sl);
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rdma_ah_set_path_bits(ah_attr, be16_to_cpu(sa_path_get_slid(rec)) &
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rdma_ah_set_path_bits(ah_attr, be32_to_cpu(sa_path_get_slid(rec)) &
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get_src_path_mask(device, port_num));
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rdma_ah_set_port_num(ah_attr, port_num);
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rdma_ah_set_static_rate(ah_attr, rec->rate);
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@ -898,11 +898,18 @@ static ssize_t ucma_query_path(struct ucma_context *ctx,
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for (i = 0, out_len -= sizeof(*resp);
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i < resp->num_paths && out_len > sizeof(struct ib_path_rec_data);
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i++, out_len -= sizeof(struct ib_path_rec_data)) {
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struct sa_path_rec *rec = &ctx->cm_id->route.path_rec[i];
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resp->path_data[i].flags = IB_PATH_GMP | IB_PATH_PRIMARY |
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IB_PATH_BIDIRECTIONAL;
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ib_sa_pack_path(&ctx->cm_id->route.path_rec[i],
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&resp->path_data[i].path_rec);
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if (rec->rec_type == SA_PATH_REC_TYPE_IB) {
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ib_sa_pack_path(rec, &resp->path_data[i].path_rec);
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} else {
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struct sa_path_rec ib;
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sa_convert_path_opa_to_ib(&ib, rec);
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ib_sa_pack_path(&ib, &resp->path_data[i].path_rec);
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}
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}
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if (copy_to_user(response, resp,
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@ -1215,8 +1222,17 @@ static int ucma_set_ib_path(struct ucma_context *ctx,
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memset(&sa_path, 0, sizeof(sa_path));
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sa_path.rec_type = SA_PATH_REC_TYPE_IB;
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ib_sa_unpack_path(path_data->path_rec, &sa_path);
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ret = rdma_set_ib_paths(ctx->cm_id, &sa_path, 1);
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if (rdma_cap_opa_ah(ctx->cm_id->device, ctx->cm_id->port_num)) {
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struct sa_path_rec opa;
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sa_convert_path_ib_to_opa(&opa, &sa_path);
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ret = rdma_set_ib_paths(ctx->cm_id, &opa, 1);
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} else {
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ret = rdma_set_ib_paths(ctx->cm_id, &sa_path, 1);
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}
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if (ret)
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return ret;
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@ -96,14 +96,14 @@ void ib_copy_qp_attr_to_user(struct ib_uverbs_qp_attr *dst,
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}
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EXPORT_SYMBOL(ib_copy_qp_attr_to_user);
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void ib_copy_path_rec_to_user(struct ib_user_path_rec *dst,
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struct sa_path_rec *src)
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void __ib_copy_path_rec_to_user(struct ib_user_path_rec *dst,
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struct sa_path_rec *src)
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{
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memcpy(dst->dgid, src->dgid.raw, sizeof src->dgid);
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memcpy(dst->sgid, src->sgid.raw, sizeof src->sgid);
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dst->dlid = sa_path_get_dlid(src);
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dst->slid = sa_path_get_slid(src);
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dst->dlid = htons(ntohl(sa_path_get_dlid(src)));
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dst->slid = htons(ntohl(sa_path_get_slid(src)));
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dst->raw_traffic = sa_path_get_raw_traffic(src);
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dst->flow_label = src->flow_label;
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dst->hop_limit = src->hop_limit;
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@ -120,17 +120,42 @@ void ib_copy_path_rec_to_user(struct ib_user_path_rec *dst,
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dst->preference = src->preference;
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dst->packet_life_time_selector = src->packet_life_time_selector;
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}
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void ib_copy_path_rec_to_user(struct ib_user_path_rec *dst,
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struct sa_path_rec *src)
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{
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struct sa_path_rec rec;
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if (src->rec_type == SA_PATH_REC_TYPE_OPA) {
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sa_convert_path_opa_to_ib(&rec, src);
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__ib_copy_path_rec_to_user(dst, &rec);
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return;
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}
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__ib_copy_path_rec_to_user(dst, src);
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}
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EXPORT_SYMBOL(ib_copy_path_rec_to_user);
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void ib_copy_path_rec_from_user(struct sa_path_rec *dst,
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struct ib_user_path_rec *src)
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{
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__be32 slid, dlid;
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memset(dst, 0, sizeof(*dst));
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if ((ib_is_opa_gid((union ib_gid *)src->sgid)) ||
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(ib_is_opa_gid((union ib_gid *)src->dgid))) {
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dst->rec_type = SA_PATH_REC_TYPE_OPA;
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slid = htonl(opa_get_lid_from_gid((union ib_gid *)src->sgid));
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dlid = htonl(opa_get_lid_from_gid((union ib_gid *)src->dgid));
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} else {
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dst->rec_type = SA_PATH_REC_TYPE_IB;
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slid = htonl(ntohs(src->slid));
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dlid = htonl(ntohs(src->dlid));
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}
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memcpy(dst->dgid.raw, src->dgid, sizeof dst->dgid);
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memcpy(dst->sgid.raw, src->sgid, sizeof dst->sgid);
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dst->rec_type = SA_PATH_REC_TYPE_IB;
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sa_path_set_dlid(dst, src->dlid);
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sa_path_set_slid(dst, src->slid);
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sa_path_set_dlid(dst, dlid);
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sa_path_set_slid(dst, slid);
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sa_path_set_raw_traffic(dst, src->raw_traffic);
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dst->flow_label = src->flow_label;
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dst->hop_limit = src->hop_limit;
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@ -147,6 +172,7 @@ void ib_copy_path_rec_from_user(struct sa_path_rec *dst,
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dst->preference = src->preference;
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dst->packet_life_time_selector = src->packet_life_time_selector;
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/* TODO: No need to set this */
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sa_path_set_dmac_zero(dst);
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sa_path_set_ndev(dst, NULL);
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sa_path_set_ifindex(dst, 0);
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@ -219,7 +219,7 @@ static int ipoib_path_seq_show(struct seq_file *file, void *iter_ptr)
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" DLID: 0x%04x\n"
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" SL: %12d\n"
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" rate: %8d.%d Gb/sec\n",
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be16_to_cpu(sa_path_get_dlid(&path.pathrec)),
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be32_to_cpu(sa_path_get_dlid(&path.pathrec)),
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path.pathrec.sl,
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rate / 1000, rate % 1000);
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}
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@ -668,9 +668,9 @@ void ipoib_mark_paths_invalid(struct net_device *dev)
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spin_lock_irq(&priv->lock);
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list_for_each_entry_safe(path, tp, &priv->path_list, list) {
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ipoib_dbg(priv, "mark path LID 0x%04x GID %pI6 invalid\n",
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be16_to_cpu(sa_path_get_dlid(&path->pathrec)),
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path->pathrec.dgid.raw);
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ipoib_dbg(priv, "mark path LID 0x%08x GID %pI6 invalid\n",
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be32_to_cpu(sa_path_get_dlid(&path->pathrec)),
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path->pathrec.dgid.raw);
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path->valid = 0;
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}
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@ -731,7 +731,7 @@ static void path_rec_completion(int status,
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if (!status)
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ipoib_dbg(priv, "PathRec LID 0x%04x for GID %pI6\n",
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be16_to_cpu(sa_path_get_dlid(pathrec)),
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be32_to_cpu(sa_path_get_dlid(pathrec)),
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pathrec->dgid.raw);
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else
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ipoib_dbg(priv, "PathRec status %d for GID %pI6\n",
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@ -755,7 +755,7 @@ static void path_rec_completion(int status,
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path->ah = ah;
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ipoib_dbg(priv, "created address handle %p for LID 0x%04x, SL %d\n",
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ah, be16_to_cpu(sa_path_get_dlid(pathrec)),
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ah, be32_to_cpu(sa_path_get_dlid(pathrec)),
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pathrec->sl);
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while ((skb = __skb_dequeue(&path->queue)))
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@ -1000,8 +1000,8 @@ static void unicast_arp_send(struct sk_buff *skb, struct net_device *dev,
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}
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if (path->ah) {
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ipoib_dbg(priv, "Send unicast ARP to %04x\n",
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be16_to_cpu(sa_path_get_dlid(&path->pathrec)));
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ipoib_dbg(priv, "Send unicast ARP to %08x\n",
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be32_to_cpu(sa_path_get_dlid(&path->pathrec)));
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spin_unlock_irqrestore(&priv->lock, flags);
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path->ah->last_send = rn->send(dev, skb, path->ah->ah,
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@ -2400,7 +2400,7 @@ static void srp_cm_rej_handler(struct ib_cm_id *cm_id,
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switch (event->param.rej_rcvd.reason) {
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case IB_CM_REJ_PORT_CM_REDIRECT:
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cpi = event->param.rej_rcvd.ari;
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sa_path_set_dlid(&ch->path, cpi->redirect_lid);
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sa_path_set_dlid(&ch->path, htonl(ntohs(cpi->redirect_lid)));
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ch->path.pkey = cpi->redirect_pkey;
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cm_id->remote_cm_qpn = be32_to_cpu(cpi->redirect_qp) & 0x00ffffff;
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memcpy(ch->path.dgid.raw, cpi->redirect_gid, 16);
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@ -44,6 +44,7 @@
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#include <rdma/ib_verbs.h>
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#include <rdma/ib_mad.h>
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#include <rdma/ib_addr.h>
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#include <rdma/opa_addr.h>
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enum {
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IB_SA_CLASS_VERSION = 2, /* IB spec version 1.1/1.2 */
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@ -152,7 +153,8 @@ enum ib_sa_mc_join_states {
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enum sa_path_rec_type {
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SA_PATH_REC_TYPE_IB,
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SA_PATH_REC_TYPE_ROCE_V1,
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SA_PATH_REC_TYPE_ROCE_V2
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SA_PATH_REC_TYPE_ROCE_V2,
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SA_PATH_REC_TYPE_OPA
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};
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struct sa_path_rec_ib {
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@ -171,6 +173,19 @@ struct sa_path_rec_roce {
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};
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struct sa_path_rec_opa {
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__be64 service_id;
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__be32 dlid;
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__be32 slid;
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u8 raw_traffic;
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u8 l2_8B;
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u8 l2_10B;
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u8 l2_9B;
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u8 l2_16B;
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u8 qos_type;
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u8 qos_priority;
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};
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struct sa_path_rec {
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union ib_gid dgid;
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union ib_gid sgid;
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@ -193,6 +208,7 @@ struct sa_path_rec {
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union {
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struct sa_path_rec_ib ib;
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struct sa_path_rec_roce roce;
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struct sa_path_rec_opa opa;
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};
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enum sa_path_rec_type rec_type;
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};
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@ -223,6 +239,77 @@ static inline enum sa_path_rec_type
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}
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}
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static inline void path_conv_opa_to_ib(struct sa_path_rec *ib,
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struct sa_path_rec *opa)
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{
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if ((be32_to_cpu(opa->opa.dlid) >=
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be16_to_cpu(IB_MULTICAST_LID_BASE)) ||
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(be32_to_cpu(opa->opa.slid) >=
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be16_to_cpu(IB_MULTICAST_LID_BASE))) {
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/* Create OPA GID and zero out the LID */
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ib->dgid.global.interface_id
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= OPA_MAKE_ID(be32_to_cpu(opa->opa.dlid));
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ib->dgid.global.subnet_prefix
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= opa->dgid.global.subnet_prefix;
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ib->sgid.global.interface_id
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= OPA_MAKE_ID(be32_to_cpu(opa->opa.slid));
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ib->dgid.global.subnet_prefix
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= opa->dgid.global.subnet_prefix;
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ib->ib.dlid = 0;
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ib->ib.slid = 0;
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} else {
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ib->ib.dlid = htons(ntohl(opa->opa.dlid));
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ib->ib.slid = htons(ntohl(opa->opa.slid));
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}
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ib->ib.service_id = opa->opa.service_id;
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||||
ib->ib.raw_traffic = opa->opa.raw_traffic;
|
||||
}
|
||||
|
||||
static inline void path_conv_ib_to_opa(struct sa_path_rec *opa,
|
||||
struct sa_path_rec *ib)
|
||||
{
|
||||
__be32 slid, dlid;
|
||||
|
||||
if ((ib_is_opa_gid(&ib->sgid)) ||
|
||||
(ib_is_opa_gid(&ib->dgid))) {
|
||||
slid = htonl(opa_get_lid_from_gid(&ib->sgid));
|
||||
dlid = htonl(opa_get_lid_from_gid(&ib->dgid));
|
||||
} else {
|
||||
slid = htonl(ntohs(ib->ib.slid));
|
||||
dlid = htonl(ntohs(ib->ib.dlid));
|
||||
}
|
||||
opa->opa.slid = slid;
|
||||
opa->opa.dlid = dlid;
|
||||
opa->opa.service_id = ib->ib.service_id;
|
||||
opa->opa.raw_traffic = ib->ib.raw_traffic;
|
||||
}
|
||||
|
||||
/* Convert from OPA to IB path record */
|
||||
static inline void sa_convert_path_opa_to_ib(struct sa_path_rec *dest,
|
||||
struct sa_path_rec *src)
|
||||
{
|
||||
if (src->rec_type != SA_PATH_REC_TYPE_OPA)
|
||||
return;
|
||||
|
||||
*dest = *src;
|
||||
dest->rec_type = SA_PATH_REC_TYPE_IB;
|
||||
path_conv_opa_to_ib(dest, src);
|
||||
}
|
||||
|
||||
/* Convert from IB to OPA path record */
|
||||
static inline void sa_convert_path_ib_to_opa(struct sa_path_rec *dest,
|
||||
struct sa_path_rec *src)
|
||||
{
|
||||
if (src->rec_type != SA_PATH_REC_TYPE_IB)
|
||||
return;
|
||||
|
||||
/* Do a structure copy and overwrite the relevant fields */
|
||||
*dest = *src;
|
||||
dest->rec_type = SA_PATH_REC_TYPE_OPA;
|
||||
path_conv_ib_to_opa(dest, src);
|
||||
}
|
||||
|
||||
#define IB_SA_MCMEMBER_REC_MGID IB_SA_COMP_MASK( 0)
|
||||
#define IB_SA_MCMEMBER_REC_PORT_GID IB_SA_COMP_MASK( 1)
|
||||
#define IB_SA_MCMEMBER_REC_QKEY IB_SA_COMP_MASK( 2)
|
||||
|
|
@ -509,18 +596,24 @@ static inline void sa_path_set_service_id(struct sa_path_rec *rec,
|
|||
{
|
||||
if (rec->rec_type == SA_PATH_REC_TYPE_IB)
|
||||
rec->ib.service_id = service_id;
|
||||
else if (rec->rec_type == SA_PATH_REC_TYPE_OPA)
|
||||
rec->opa.service_id = service_id;
|
||||
}
|
||||
|
||||
static inline void sa_path_set_slid(struct sa_path_rec *rec, __be16 slid)
|
||||
static inline void sa_path_set_slid(struct sa_path_rec *rec, __be32 slid)
|
||||
{
|
||||
if (rec->rec_type == SA_PATH_REC_TYPE_IB)
|
||||
rec->ib.slid = slid;
|
||||
rec->ib.slid = htons(ntohl(slid));
|
||||
else if (rec->rec_type == SA_PATH_REC_TYPE_OPA)
|
||||
rec->opa.slid = slid;
|
||||
}
|
||||
|
||||
static inline void sa_path_set_dlid(struct sa_path_rec *rec, __be16 dlid)
|
||||
static inline void sa_path_set_dlid(struct sa_path_rec *rec, __be32 dlid)
|
||||
{
|
||||
if (rec->rec_type == SA_PATH_REC_TYPE_IB)
|
||||
rec->ib.dlid = dlid;
|
||||
rec->ib.dlid = htons(ntohl(dlid));
|
||||
else if (rec->rec_type == SA_PATH_REC_TYPE_OPA)
|
||||
rec->opa.dlid = dlid;
|
||||
}
|
||||
|
||||
static inline void sa_path_set_raw_traffic(struct sa_path_rec *rec,
|
||||
|
|
@ -528,26 +621,34 @@ static inline void sa_path_set_raw_traffic(struct sa_path_rec *rec,
|
|||
{
|
||||
if (rec->rec_type == SA_PATH_REC_TYPE_IB)
|
||||
rec->ib.raw_traffic = raw_traffic;
|
||||
else if (rec->rec_type == SA_PATH_REC_TYPE_OPA)
|
||||
rec->opa.raw_traffic = raw_traffic;
|
||||
}
|
||||
|
||||
static inline __be64 sa_path_get_service_id(struct sa_path_rec *rec)
|
||||
{
|
||||
if (rec->rec_type == SA_PATH_REC_TYPE_IB)
|
||||
return rec->ib.service_id;
|
||||
else if (rec->rec_type == SA_PATH_REC_TYPE_OPA)
|
||||
return rec->opa.service_id;
|
||||
return 0;
|
||||
}
|
||||
|
||||
static inline __be16 sa_path_get_slid(struct sa_path_rec *rec)
|
||||
static inline __be32 sa_path_get_slid(struct sa_path_rec *rec)
|
||||
{
|
||||
if (rec->rec_type == SA_PATH_REC_TYPE_IB)
|
||||
return rec->ib.slid;
|
||||
return htonl(ntohs(rec->ib.slid));
|
||||
else if (rec->rec_type == SA_PATH_REC_TYPE_OPA)
|
||||
return rec->opa.slid;
|
||||
return 0;
|
||||
}
|
||||
|
||||
static inline __be16 sa_path_get_dlid(struct sa_path_rec *rec)
|
||||
static inline __be32 sa_path_get_dlid(struct sa_path_rec *rec)
|
||||
{
|
||||
if (rec->rec_type == SA_PATH_REC_TYPE_IB)
|
||||
return rec->ib.dlid;
|
||||
return htonl(ntohs(rec->ib.dlid));
|
||||
else if (rec->rec_type == SA_PATH_REC_TYPE_OPA)
|
||||
return rec->opa.dlid;
|
||||
return 0;
|
||||
}
|
||||
|
||||
|
|
@ -555,6 +656,8 @@ static inline u8 sa_path_get_raw_traffic(struct sa_path_rec *rec)
|
|||
{
|
||||
if (rec->rec_type == SA_PATH_REC_TYPE_IB)
|
||||
return rec->ib.raw_traffic;
|
||||
else if (rec->rec_type == SA_PATH_REC_TYPE_OPA)
|
||||
return rec->opa.raw_traffic;
|
||||
return 0;
|
||||
}
|
||||
|
||||
|
|
|
|||
Loading…
Reference in a new issue