Merge tag 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/dledford/rdma

[linux-beck.git] / drivers / infiniband / core / cma.c

diff --git a/drivers/infiniband/core/cma.c b/drivers/infiniband/core/cma.c
index 89a6b05468045cbca835573fd450d4e4466f75d7..2a6fc47a1dfbb578324ada2cd899ed22c4e1c8ad 100644 (file)
--- a/drivers/infiniband/core/cma.c
+++ b/drivers/infiniband/core/cma.c
@@ -2438,6 +2438,18 @@ static int iboe_tos_to_sl(struct net_device *ndev, int tos)
        return 0;
 }
 
+static enum ib_gid_type cma_route_gid_type(enum rdma_network_type network_type,
+                                          unsigned long supported_gids,
+                                          enum ib_gid_type default_gid)
+{
+       if ((network_type == RDMA_NETWORK_IPV4 ||
+            network_type == RDMA_NETWORK_IPV6) &&
+           test_bit(IB_GID_TYPE_ROCE_UDP_ENCAP, &supported_gids))
+               return IB_GID_TYPE_ROCE_UDP_ENCAP;
+
+       return default_gid;
+}
+
 static int cma_resolve_iboe_route(struct rdma_id_private *id_priv)
 {
        struct rdma_route *route = &id_priv->id.route;
@@ -2463,6 +2475,8 @@ static int cma_resolve_iboe_route(struct rdma_id_private *id_priv)
        route->num_paths = 1;
 
        if (addr->dev_addr.bound_dev_if) {
+               unsigned long supported_gids;
+
                ndev = dev_get_by_index(&init_net, addr->dev_addr.bound_dev_if);
                if (!ndev) {
                        ret = -ENODEV;
@@ -2486,7 +2500,12 @@ static int cma_resolve_iboe_route(struct rdma_id_private *id_priv)
 
                route->path_rec->net = &init_net;
                route->path_rec->ifindex = ndev->ifindex;
-               route->path_rec->gid_type = id_priv->gid_type;
+               supported_gids = roce_gid_type_mask_support(id_priv->id.device,
+                                                           id_priv->id.port_num);
+               route->path_rec->gid_type =
+                       cma_route_gid_type(addr->dev_addr.network,
+                                          supported_gids,
+                                          id_priv->gid_type);
        }
        if (!ndev) {
                ret = -ENODEV;