6969a22bf6
fs_bus_uninit is always returning 0 no matter what was the status
of each sub device bus_uninit value.
Fixes: a46f8d584e ("net/failsafe: add fail-safe PMD")
Cc: stable@dpdk.org
Signed-off-by: Raslan Darawsheh <rasland@mellanox.com>
Acked-by: Gaetan Rivet <gaetan.rivet@6wind.com>
118 lines
3.2 KiB
C
118 lines
3.2 KiB
C
/*-
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* BSD LICENSE
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*
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* Copyright 2017 6WIND S.A.
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* Copyright 2017 Mellanox.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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*
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* * Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* * Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in
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* the documentation and/or other materials provided with the
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* distribution.
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* * Neither the name of 6WIND S.A. nor the names of its
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* contributors may be used to endorse or promote products derived
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* from this software without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
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* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
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* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
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* A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
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* OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
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* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
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* LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
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* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
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* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*/
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#include <rte_malloc.h>
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#include "failsafe_private.h"
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static int
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fs_bus_init(struct rte_eth_dev *dev)
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{
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struct sub_device *sdev;
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struct rte_devargs *da;
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uint8_t i;
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int ret;
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FOREACH_SUBDEV(sdev, i, dev) {
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if (sdev->state != DEV_PARSED)
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continue;
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da = &sdev->devargs;
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ret = rte_eal_hotplug_add(da->bus->name,
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da->name,
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da->args);
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if (ret) {
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ERROR("sub_device %d probe failed %s%s%s", i,
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rte_errno ? "(" : "",
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rte_errno ? strerror(rte_errno) : "",
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rte_errno ? ")" : "");
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continue;
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}
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ETH(sdev) = rte_eth_dev_allocated(da->name);
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if (ETH(sdev) == NULL) {
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ERROR("sub_device %d init went wrong", i);
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return -ENODEV;
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}
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SUB_ID(sdev) = i;
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sdev->fs_dev = dev;
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sdev->dev = ETH(sdev)->device;
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ETH(sdev)->state = RTE_ETH_DEV_DEFERRED;
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sdev->state = DEV_PROBED;
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}
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return 0;
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}
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int
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failsafe_eal_init(struct rte_eth_dev *dev)
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{
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int ret;
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ret = fs_bus_init(dev);
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if (ret)
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return ret;
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if (PRIV(dev)->state < DEV_PROBED)
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PRIV(dev)->state = DEV_PROBED;
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fs_switch_dev(dev, NULL);
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return 0;
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}
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static int
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fs_bus_uninit(struct rte_eth_dev *dev)
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{
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struct sub_device *sdev = NULL;
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uint8_t i;
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int sdev_ret;
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int ret = 0;
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FOREACH_SUBDEV_STATE(sdev, i, dev, DEV_PROBED) {
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sdev_ret = rte_eal_hotplug_remove(sdev->bus->name,
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sdev->dev->name);
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if (sdev_ret) {
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ERROR("Failed to remove requested device %s (err: %d)",
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sdev->dev->name, sdev_ret);
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continue;
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}
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sdev->state = DEV_PROBED - 1;
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}
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return ret;
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}
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int
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failsafe_eal_uninit(struct rte_eth_dev *dev)
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{
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int ret;
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ret = fs_bus_uninit(dev);
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PRIV(dev)->state = DEV_PROBED - 1;
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return ret;
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}
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