4 * Copyright 2015 6WIND S.A.
5 * Copyright 2015 Mellanox.
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34 /* DPDK headers don't like -pedantic. */
36 #pragma GCC diagnostic ignored "-pedantic"
38 #include <rte_ether.h>
39 #include <rte_ethdev.h>
41 #pragma GCC diagnostic error "-pedantic"
45 #include "mlx5_rxtx.h"
46 #include "mlx5_utils.h"
49 * DPDK callback to start the device.
51 * Simulate device start by attaching all configured flows.
54 * Pointer to Ethernet device structure.
57 * 0 on success, negative errno value on failure.
60 mlx5_dev_start(struct rte_eth_dev *dev)
62 struct priv *priv = dev->data->dev_private;
72 DEBUG("%p: attaching configured flows to all RX queues", (void *)dev);
75 rxq = &priv->rxq_parent;
78 rxq = (*priv->rxqs)[0];
81 /* Iterate only once when RSS is enabled. */
85 /* Ignore nonexistent RX queues. */
88 ret = rxq_mac_addrs_add(rxq);
91 WARN("%p: QP flow attachment failed: %s",
92 (void *)dev, strerror(ret));
95 rxq = (*priv->rxqs)[--i];
97 rxq_mac_addrs_del(rxq);
103 } while ((--r) && ((rxq = (*priv->rxqs)[++i]), i));
109 * DPDK callback to stop the device.
111 * Simulate device stop by detaching all configured flows.
114 * Pointer to Ethernet device structure.
117 mlx5_dev_stop(struct rte_eth_dev *dev)
119 struct priv *priv = dev->data->dev_private;
125 if (!priv->started) {
129 DEBUG("%p: detaching flows from all RX queues", (void *)dev);
132 rxq = &priv->rxq_parent;
135 rxq = (*priv->rxqs)[0];
138 /* Iterate only once when RSS is enabled. */
140 /* Ignore nonexistent RX queues. */
143 rxq_mac_addrs_del(rxq);
144 } while ((--r) && ((rxq = (*priv->rxqs)[++i]), i));