pci: add option to force uio binding

[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 6b1479b..83ce2dc 100644 (file)
--- a/src/plugins/dpdk/device/init.c
+++ b/src/plugins/dpdk/device/init.c
@@ -402,7 +402,8 @@ dpdk_lib_init (dpdk_main_t * dm)
       q = di.max_rx_pktlen - di.max_mtu;
 
       /* attempt to protect from bogus value provided by pmd */
-      if (q < (2 * xd->driver_frame_overhead) && q > 0)
+      if (q < (2 * xd->driver_frame_overhead) && q > 0 &&
+         di.max_mtu != UINT16_MAX)
        xd->driver_frame_overhead = q;
       dpdk_log_debug ("[%u] min_mtu: %u, max_mtu: %u, min_rx_bufsize: %u, "
                      "max_rx_pktlen: %u, max_lro_pkt_size: %u",
@@ -621,9 +622,12 @@ dpdk_bind_devices_to_uio (dpdk_config_main_t * conf)
     else if (d->vendor_id == 0x8086 && d->device_class == PCI_CLASS_NETWORK_ETHERNET)
       ;
     /* all Intel QAT devices VFs */
-    else if (d->vendor_id == 0x8086 && d->device_class == PCI_CLASS_PROCESSOR_CO &&
-        (d->device_id == 0x0443 || d->device_id == 0x18a1 || d->device_id == 0x19e3 ||
-        d->device_id == 0x37c9 || d->device_id == 0x6f55))
+    else if (d->vendor_id == 0x8086 &&
+            d->device_class == PCI_CLASS_PROCESSOR_CO &&
+            (d->device_id == 0x0443 || d->device_id == 0x18a1 ||
+             d->device_id == 0x19e3 || d->device_id == 0x37c9 ||
+             d->device_id == 0x6f55 || d->device_id == 0x18ef ||
+             d->device_id == 0x4941))
       ;
     /* Cisco VIC */
     else if (d->vendor_id == 0x1137 &&
@@ -677,7 +681,8 @@ dpdk_bind_devices_to_uio (dpdk_config_main_t * conf)
         continue;
       }
 
-    error = vlib_pci_bind_to_uio (vm, addr, (char *) conf->uio_driver_name);
+    error = vlib_pci_bind_to_uio (vm, addr, (char *) conf->uio_driver_name,
+                                 conf->uio_bind_force);
 
     if (error)
       {
@@ -984,6 +989,7 @@ 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;
@@ -1084,6 +1090,8 @@ dpdk_config (vlib_main_t * vm, unformat_input_t * input)
        }
       else if (unformat (input, "uio-driver %s", &conf->uio_driver_name))
        ;
+      else if (unformat (input, "uio-bind-force"))
+       conf->uio_bind_force = 1;
       else if (unformat (input, "socket-mem %s", &socket_mem))
        ;
       else if (unformat (input, "no-pci"))
@@ -1092,6 +1100,8 @@ 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))
        {
@@ -1301,6 +1311,13 @@ 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 ",
@@ -1373,9 +1390,20 @@ dpdk_update_link_state (dpdk_device_t * xd, f64 now)
       ed->new_link_state = (u8) xd->link.link_status;
     }
 
-  if ((xd->link.link_duplex != prev_link.link_duplex))
+  hw_flags_chg = ((xd->link.link_duplex != prev_link.link_duplex) ||
+                 (xd->link.link_status != prev_link.link_status));
+
+  if (xd->link.link_speed != prev_link.link_speed)
+    vnet_hw_interface_set_link_speed (vnm, xd->hw_if_index,
+                                     (xd->link.link_speed == UINT32_MAX) ?
+                                             UINT32_MAX :
+                                             xd->link.link_speed * 1000);
+
+  if (hw_flags_chg)
     {
-      hw_flags_chg = 1;
+      if (xd->link.link_status)
+       hw_flags |= VNET_HW_INTERFACE_FLAG_LINK_UP;
+
       switch (xd->link.link_duplex)
        {
        case RTE_ETH_LINK_HALF_DUPLEX:
@@ -1387,23 +1415,7 @@ dpdk_update_link_state (dpdk_device_t * xd, f64 now)
        default:
          break;
        }
-    }
-  if (xd->link.link_speed != prev_link.link_speed)
-    vnet_hw_interface_set_link_speed (vnm, xd->hw_if_index,
-                                     (xd->link.link_speed == UINT32_MAX) ?
-                                             UINT32_MAX :
-                                             xd->link.link_speed * 1000);
-
-  if (xd->link.link_status != prev_link.link_status)
-    {
-      hw_flags_chg = 1;
 
-      if (xd->link.link_status)
-       hw_flags |= VNET_HW_INTERFACE_FLAG_LINK_UP;
-    }
-
-  if (hw_flags_chg)
-    {
       if (LINK_STATE_ELOGS)
        {
          ELOG_TYPE_DECLARE (e) =