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4 * Copyright 2015 6WIND S.A.
5 * Copyright 2015 Mellanox.
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8 * modification, are permitted provided that the following conditions
11 * * Redistributions of source code must retain the above copyright
12 * notice, this list of conditions and the following disclaimer.
13 * * Redistributions in binary form must reproduce the above copyright
14 * notice, this list of conditions and the following disclaimer in
15 * the documentation and/or other materials provided with the
17 * * Neither the name of 6WIND S.A. nor the names of its
18 * contributors may be used to endorse or promote products derived
19 * from this software without specific prior written permission.
21 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
22 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
23 * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
24 * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
25 * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
26 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
27 * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
28 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
29 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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31 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
34 /* DPDK headers don't like -pedantic. */
36 #pragma GCC diagnostic ignored "-Wpedantic"
38 #include <rte_ether.h>
39 #include <rte_ethdev.h>
40 #include <rte_interrupts.h>
41 #include <rte_alarm.h>
43 #pragma GCC diagnostic error "-Wpedantic"
47 #include "mlx5_rxtx.h"
48 #include "mlx5_utils.h"
51 * DPDK callback to start the device.
53 * Simulate device start by attaching all configured flows.
56 * Pointer to Ethernet device structure.
59 * 0 on success, negative errno value on failure.
62 mlx5_dev_start(struct rte_eth_dev
*dev
)
64 struct priv
*priv
= dev
->data
->dev_private
;
67 if (mlx5_is_secondary())
68 return -E_RTE_SECONDARY
;
75 DEBUG("%p: allocating and configuring hash RX queues", (void *)dev
);
76 err
= priv_create_hash_rxqs(priv
);
78 err
= priv_rehash_flows(priv
);
82 ERROR("%p: an error occurred while configuring hash RX queues:"
84 (void *)priv
, strerror(err
));
86 priv_special_flow_disable_all(priv
);
87 priv_mac_addrs_disable(priv
);
88 priv_destroy_hash_rxqs(priv
);
90 if (dev
->data
->dev_conf
.fdir_conf
.mode
!= RTE_FDIR_MODE_NONE
)
91 priv_fdir_enable(priv
);
92 priv_dev_interrupt_handler_install(priv
, dev
);
98 * DPDK callback to stop the device.
100 * Simulate device stop by detaching all configured flows.
103 * Pointer to Ethernet device structure.
106 mlx5_dev_stop(struct rte_eth_dev
*dev
)
108 struct priv
*priv
= dev
->data
->dev_private
;
110 if (mlx5_is_secondary())
114 if (!priv
->started
) {
118 DEBUG("%p: cleaning up and destroying hash RX queues", (void *)dev
);
119 priv_special_flow_disable_all(priv
);
120 priv_mac_addrs_disable(priv
);
121 priv_destroy_hash_rxqs(priv
);
122 priv_fdir_disable(priv
);
123 priv_dev_interrupt_handler_uninstall(priv
, dev
);