net/failsafe: use SPDX tags in 6WIND copyrighted files
[dpdk.git] / drivers / net / failsafe / failsafe_eal.c
index 33a5adf..8946bf6 100644 (file)
@@ -1,34 +1,6 @@
-/*-
- *   BSD LICENSE
- *
- *   Copyright 2017 6WIND S.A.
- *   Copyright 2017 Mellanox.
- *
- *   Redistribution and use in source and binary forms, with or without
- *   modification, are permitted provided that the following conditions
- *   are met:
- *
- *     * Redistributions of source code must retain the above copyright
- *       notice, this list of conditions and the following disclaimer.
- *     * Redistributions in binary form must reproduce the above copyright
- *       notice, this list of conditions and the following disclaimer in
- *       the documentation and/or other materials provided with the
- *       distribution.
- *     * Neither the name of 6WIND S.A. nor the names of its
- *       contributors may be used to endorse or promote products derived
- *       from this software without specific prior written permission.
- *
- *   THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
- *   "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
- *   LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
- *   A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
- *   OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
- *   SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
- *   LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
- *   DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
- *   THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
- *   (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
- *   OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+/* SPDX-License-Identifier: BSD-3-Clause
+ * Copyright 2017 6WIND S.A.
+ * Copyright 2017 Mellanox.
  */
 
 #include <rte_malloc.h>
@@ -106,6 +78,22 @@ fs_bus_init(struct rte_eth_dev *dev)
                        INFO("Taking control of a probed sub device"
                              " %d named %s", i, da->name);
                }
+               ret = rte_eth_dev_owner_set(pid, &PRIV(dev)->my_owner);
+               if (ret) {
+                       INFO("sub_device %d owner set failed (%s),"
+                            " will try again later", i, strerror(ret));
+                       continue;
+               } else if (strncmp(rte_eth_devices[pid].device->name, da->name,
+                          strlen(da->name)) != 0) {
+                       /*
+                        * The device probably was removed and its port id was
+                        * reallocated before ownership set.
+                        */
+                       rte_eth_dev_owner_unset(pid, PRIV(dev)->my_owner.id);
+                       INFO("sub_device %d was probably removed before taking"
+                            " ownership, will try again later", i);
+                       continue;
+               }
                ETH(sdev) = &rte_eth_devices[pid];
                SUB_ID(sdev) = i;
                sdev->fs_dev = dev;