4 * Copyright 2015 6WIND S.A.
5 * Copyright 2015 Mellanox.
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8 * modification, are permitted provided that the following conditions
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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
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18 * contributors may be used to endorse or promote products derived
19 * from this software without specific prior written permission.
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23 * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
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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 /* Update Rx/Tx callback. */
76 priv_select_tx_function(priv);
77 priv_select_rx_function(priv);
78 DEBUG("%p: allocating and configuring hash RX queues", (void *)dev);
79 err = priv_create_hash_rxqs(priv);
81 err = priv_rehash_flows(priv);
85 ERROR("%p: an error occurred while configuring hash RX queues:"
87 (void *)priv, strerror(err));
90 if (dev->data->dev_conf.fdir_conf.mode != RTE_FDIR_MODE_NONE)
91 priv_fdir_enable(priv);
92 err = priv_flow_start(priv);
95 ERROR("%p: an error occurred while configuring flows:"
97 (void *)priv, strerror(err));
100 err = priv_rx_intr_vec_enable(priv);
102 ERROR("%p: RX interrupt vector creation failed",
106 priv_dev_interrupt_handler_install(priv, dev);
107 priv_xstats_init(priv);
112 priv_special_flow_disable_all(priv);
113 priv_mac_addrs_disable(priv);
114 priv_destroy_hash_rxqs(priv);
115 priv_flow_stop(priv);
121 * DPDK callback to stop the device.
123 * Simulate device stop by detaching all configured flows.
126 * Pointer to Ethernet device structure.
129 mlx5_dev_stop(struct rte_eth_dev *dev)
131 struct priv *priv = dev->data->dev_private;
133 if (mlx5_is_secondary())
137 if (!priv->started) {
141 DEBUG("%p: cleaning up and destroying hash RX queues", (void *)dev);
142 priv_special_flow_disable_all(priv);
143 priv_mac_addrs_disable(priv);
144 priv_destroy_hash_rxqs(priv);
145 priv_fdir_disable(priv);
146 priv_flow_stop(priv);
147 priv_rx_intr_vec_disable(priv);
148 priv_dev_interrupt_handler_uninstall(priv, dev);