vlib: introduce DMA infrastructure

[vpp.git] / src / plugins / dpdk / device / init.c

diff --git a/src/plugins/dpdk/device/init.c b/src/plugins/dpdk/device/init.c
index 4863c8c..23a26a4 100644 (file)
--- a/src/plugins/dpdk/device/init.c
+++ b/src/plugins/dpdk/device/init.c
@@ -987,6 +987,7 @@ dpdk_config (vlib_main_t * vm, unformat_input_t * input)
   int eal_no_hugetlb = 0;
   u8 no_pci = 0;
   u8 no_vmbus = 0;
+  u8 no_dsa = 0;
   u8 file_prefix = 0;
   u8 *socket_mem = 0;
   u8 *huge_dir_path = 0;
@@ -1095,6 +1096,8 @@ dpdk_config (vlib_main_t * vm, unformat_input_t * input)
          tmp = format (0, "--no-pci%c", 0);
          vec_add1 (conf->eal_init_args, tmp);
        }
+      else if (unformat (input, "no-dsa"))
+       no_dsa = 1;
       else if (unformat (input, "blacklist %U", unformat_vlib_vmbus_addr,
                         &vmbus_addr))
        {
@@ -1304,6 +1307,13 @@ dpdk_config (vlib_main_t * vm, unformat_input_t * input)
 
   vm = vlib_get_main ();
 
+  if (no_dsa)
+    {
+      struct rte_bus *bus;
+      bus = rte_bus_find_by_name ("dsa");
+      if (bus)
+       rte_bus_unregister (bus);
+    }
   /* make copy of args as rte_eal_init tends to mess up with arg array */
   for (i = 1; i < vec_len (conf->eal_init_args); i++)
     conf->eal_init_args_str = format (conf->eal_init_args_str, "%s ",