RDMA/ucma: Copy iWARP route information on queries
For iWARP rdma_cm ids, the "route" information is the L2 src and next hop addresses. Signed-off-by: Steve Wise <swise@opengridcomputing.com> Signed-off-by: Roland Dreier <roland@purestorage.com>
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@ -636,6 +636,16 @@ static void ucma_copy_iboe_route(struct rdma_ucm_query_route_resp *resp,
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}
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}
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static void ucma_copy_iw_route(struct rdma_ucm_query_route_resp *resp,
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struct rdma_route *route)
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{
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struct rdma_dev_addr *dev_addr;
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dev_addr = &route->addr.dev_addr;
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rdma_addr_get_dgid(dev_addr, (union ib_gid *) &resp->ib_route[0].dgid);
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rdma_addr_get_sgid(dev_addr, (union ib_gid *) &resp->ib_route[0].sgid);
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}
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static ssize_t ucma_query_route(struct ucma_file *file,
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const char __user *inbuf,
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int in_len, int out_len)
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@ -670,8 +680,10 @@ static ssize_t ucma_query_route(struct ucma_file *file,
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resp.node_guid = (__force __u64) ctx->cm_id->device->node_guid;
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resp.port_num = ctx->cm_id->port_num;
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if (rdma_node_get_transport(ctx->cm_id->device->node_type) == RDMA_TRANSPORT_IB) {
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switch (rdma_port_get_link_layer(ctx->cm_id->device, ctx->cm_id->port_num)) {
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switch (rdma_node_get_transport(ctx->cm_id->device->node_type)) {
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case RDMA_TRANSPORT_IB:
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switch (rdma_port_get_link_layer(ctx->cm_id->device,
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ctx->cm_id->port_num)) {
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case IB_LINK_LAYER_INFINIBAND:
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ucma_copy_ib_route(&resp, &ctx->cm_id->route);
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break;
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@ -681,6 +693,12 @@ static ssize_t ucma_query_route(struct ucma_file *file,
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default:
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break;
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}
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break;
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case RDMA_TRANSPORT_IWARP:
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ucma_copy_iw_route(&resp, &ctx->cm_id->route);
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break;
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default:
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break;
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}
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out:
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