net/mlx5: support MPLS-in-GRE and MPLS-in-UDP

[dpdk.git] / drivers / net / mlx5 / mlx5.c

diff --git a/drivers/net/mlx5/mlx5.c b/drivers/net/mlx5/mlx5.c
index 8e0445e..0066656 100644 (file)
--- a/drivers/net/mlx5/mlx5.c
+++ b/drivers/net/mlx5/mlx5.c
@@ -690,6 +690,7 @@ mlx5_pci_probe(struct rte_pci_driver *pci_drv __rte_unused,
        unsigned int mps;
        unsigned int cqe_comp;
        unsigned int tunnel_en = 0;
+       unsigned int mpls_en = 0;
        unsigned int swp = 0;
        unsigned int verb_priorities = 0;
        unsigned int mprq = 0;
@@ -849,6 +850,17 @@ mlx5_pci_probe(struct rte_pci_driver *pci_drv __rte_unused,
 #else
        DRV_LOG(WARNING,
                "tunnel offloading disabled due to old OFED/rdma-core version");
+#endif
+#ifdef HAVE_IBV_DEVICE_MPLS_SUPPORT
+       mpls_en = ((attrs_out.tunnel_offloads_caps &
+                   MLX5DV_RAW_PACKET_CAP_TUNNELED_OFFLOAD_CW_MPLS_OVER_GRE) &&
+                  (attrs_out.tunnel_offloads_caps &
+                   MLX5DV_RAW_PACKET_CAP_TUNNELED_OFFLOAD_CW_MPLS_OVER_UDP));
+       DRV_LOG(DEBUG, "MPLS over GRE/UDP tunnel offloading is %ssupported",
+               mpls_en ? "" : "not ");
+#else
+       DRV_LOG(WARNING, "MPLS over GRE/UDP tunnel offloading disabled due to"
+               " old OFED/rdma-core version or firmware configuration");
 #endif
        err = mlx5_glue->query_device_ex(attr_ctx, NULL, &device_attr);
        if (err) {
@@ -873,6 +885,7 @@ mlx5_pci_probe(struct rte_pci_driver *pci_drv __rte_unused,
                        .cqe_comp = cqe_comp,
                        .mps = mps,
                        .tunnel_en = tunnel_en,
+                       .mpls_en = mpls_en,
                        .tx_vec_en = 1,
                        .rx_vec_en = 1,
                        .mpw_hdr_dseg = 0,