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5 * Copyright 2015 Mellanox.
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35 #include <rte_ether.h>
36 #include <rte_ethdev_driver.h>
37 #include <rte_interrupts.h>
38 #include <rte_alarm.h>
41 #include "mlx5_rxtx.h"
42 #include "mlx5_utils.h"
45 priv_txq_stop(struct priv *priv)
49 for (i = 0; i != priv->txqs_n; ++i)
50 mlx5_priv_txq_release(priv, i);
54 priv_txq_start(struct priv *priv)
59 /* Add memory regions to Tx queues. */
60 for (i = 0; i != priv->txqs_n; ++i) {
63 struct mlx5_txq_ctrl *txq_ctrl = mlx5_priv_txq_get(priv, i);
67 LIST_FOREACH(mr, &priv->mr, next) {
68 priv_txq_mp2mr_reg(priv, &txq_ctrl->txq, mr->mp, idx++);
69 if (idx == MLX5_PMD_TX_MP_CACHE)
72 txq_alloc_elts(txq_ctrl);
73 txq_ctrl->ibv = mlx5_priv_txq_ibv_new(priv, i);
79 ret = priv_tx_uar_remap(priv, priv->ctx->cmd_fd);
89 priv_rxq_stop(struct priv *priv)
93 for (i = 0; i != priv->rxqs_n; ++i)
94 mlx5_priv_rxq_release(priv, i);
98 priv_rxq_start(struct priv *priv)
103 for (i = 0; i != priv->rxqs_n; ++i) {
104 struct mlx5_rxq_ctrl *rxq_ctrl = mlx5_priv_rxq_get(priv, i);
108 ret = rxq_alloc_elts(rxq_ctrl);
111 rxq_ctrl->ibv = mlx5_priv_rxq_ibv_new(priv, i);
112 if (!rxq_ctrl->ibv) {
124 * DPDK callback to start the device.
126 * Simulate device start by attaching all configured flows.
129 * Pointer to Ethernet device structure.
132 * 0 on success, negative errno value on failure.
135 mlx5_dev_start(struct rte_eth_dev *dev)
137 struct priv *priv = dev->data->dev_private;
138 struct mlx5_mr *mr = NULL;
141 dev->data->dev_started = 1;
143 err = priv_flow_create_drop_queue(priv);
145 ERROR("%p: Drop queue allocation failed: %s",
146 (void *)dev, strerror(err));
149 DEBUG("%p: allocating and configuring hash RX queues", (void *)dev);
150 rte_mempool_walk(mlx5_mp2mr_iter, priv);
151 err = priv_txq_start(priv);
153 ERROR("%p: TXQ allocation failed: %s",
154 (void *)dev, strerror(err));
157 err = priv_rxq_start(priv);
159 ERROR("%p: RXQ allocation failed: %s",
160 (void *)dev, strerror(err));
163 err = priv_rx_intr_vec_enable(priv);
165 ERROR("%p: RX interrupt vector creation failed",
169 priv_xstats_init(priv);
170 /* Update link status and Tx/Rx callbacks for the first time. */
171 memset(&dev->data->dev_link, 0, sizeof(struct rte_eth_link));
172 INFO("Forcing port %u link to be up", dev->data->port_id);
173 err = priv_force_link_status_change(priv, ETH_LINK_UP);
175 DEBUG("Failed to set port %u link to be up",
179 priv_dev_interrupt_handler_install(priv, dev);
184 dev->data->dev_started = 0;
185 for (mr = LIST_FIRST(&priv->mr); mr; mr = LIST_FIRST(&priv->mr))
186 priv_mr_release(priv, mr);
187 priv_flow_stop(priv, &priv->flows);
188 priv_dev_traffic_disable(priv, dev);
191 priv_flow_delete_drop_queue(priv);
197 * DPDK callback to stop the device.
199 * Simulate device stop by detaching all configured flows.
202 * Pointer to Ethernet device structure.
205 mlx5_dev_stop(struct rte_eth_dev *dev)
207 struct priv *priv = dev->data->dev_private;
211 dev->data->dev_started = 0;
212 /* Prevent crashes when queues are still in use. */
213 dev->rx_pkt_burst = removed_rx_burst;
214 dev->tx_pkt_burst = removed_tx_burst;
216 usleep(1000 * priv->rxqs_n);
217 DEBUG("%p: cleaning up and destroying hash RX queues", (void *)dev);
218 priv_flow_stop(priv, &priv->flows);
219 priv_dev_traffic_disable(priv, dev);
220 priv_rx_intr_vec_disable(priv);
221 priv_dev_interrupt_handler_uninstall(priv, dev);
224 for (mr = LIST_FIRST(&priv->mr); mr; mr = LIST_FIRST(&priv->mr))
225 priv_mr_release(priv, mr);
226 priv_flow_delete_drop_queue(priv);
231 * Enable traffic flows configured by control plane
234 * Pointer to Ethernet device private data.
236 * Pointer to Ethernet device structure.
242 priv_dev_traffic_enable(struct priv *priv, struct rte_eth_dev *dev)
244 struct rte_flow_item_eth bcast = {
245 .dst.addr_bytes = "\xff\xff\xff\xff\xff\xff",
247 struct rte_flow_item_eth ipv6_multi_spec = {
248 .dst.addr_bytes = "\x33\x33\x00\x00\x00\x00",
250 struct rte_flow_item_eth ipv6_multi_mask = {
251 .dst.addr_bytes = "\xff\xff\x00\x00\x00\x00",
253 struct rte_flow_item_eth unicast = {
254 .src.addr_bytes = "\x00\x00\x00\x00\x00\x00",
256 struct rte_flow_item_eth unicast_mask = {
257 .dst.addr_bytes = "\xff\xff\xff\xff\xff\xff",
259 const unsigned int vlan_filter_n = priv->vlan_filter_n;
260 const struct ether_addr cmp = {
261 .addr_bytes = "\x00\x00\x00\x00\x00\x00",
269 if (dev->data->promiscuous) {
270 struct rte_flow_item_eth promisc = {
271 .dst.addr_bytes = "\x00\x00\x00\x00\x00\x00",
272 .src.addr_bytes = "\x00\x00\x00\x00\x00\x00",
276 claim_zero(mlx5_ctrl_flow(dev, &promisc, &promisc));
279 if (dev->data->all_multicast) {
280 struct rte_flow_item_eth multicast = {
281 .dst.addr_bytes = "\x01\x00\x00\x00\x00\x00",
282 .src.addr_bytes = "\x00\x00\x00\x00\x00\x00",
286 claim_zero(mlx5_ctrl_flow(dev, &multicast, &multicast));
288 /* Add broadcast/multicast flows. */
289 for (i = 0; i != vlan_filter_n; ++i) {
290 uint16_t vlan = priv->vlan_filter[i];
292 struct rte_flow_item_vlan vlan_spec = {
293 .tci = rte_cpu_to_be_16(vlan),
295 struct rte_flow_item_vlan vlan_mask = {
299 ret = mlx5_ctrl_flow_vlan(dev, &bcast, &bcast,
300 &vlan_spec, &vlan_mask);
303 ret = mlx5_ctrl_flow_vlan(dev, &ipv6_multi_spec,
305 &vlan_spec, &vlan_mask);
309 if (!vlan_filter_n) {
310 ret = mlx5_ctrl_flow(dev, &bcast, &bcast);
313 ret = mlx5_ctrl_flow(dev, &ipv6_multi_spec,
319 /* Add MAC address flows. */
320 for (i = 0; i != MLX5_MAX_MAC_ADDRESSES; ++i) {
321 struct ether_addr *mac = &dev->data->mac_addrs[i];
323 if (!memcmp(mac, &cmp, sizeof(*mac)))
325 memcpy(&unicast.dst.addr_bytes,
328 for (j = 0; j != vlan_filter_n; ++j) {
329 uint16_t vlan = priv->vlan_filter[j];
331 struct rte_flow_item_vlan vlan_spec = {
332 .tci = rte_cpu_to_be_16(vlan),
334 struct rte_flow_item_vlan vlan_mask = {
338 ret = mlx5_ctrl_flow_vlan(dev, &unicast,
345 if (!vlan_filter_n) {
346 ret = mlx5_ctrl_flow(dev, &unicast,
359 * Disable traffic flows configured by control plane
362 * Pointer to Ethernet device private data.
364 * Pointer to Ethernet device structure.
370 priv_dev_traffic_disable(struct priv *priv, struct rte_eth_dev *dev)
373 priv_flow_flush(priv, &priv->ctrl_flows);
378 * Restart traffic flows configured by control plane
381 * Pointer to Ethernet device private data.
383 * Pointer to Ethernet device structure.
389 priv_dev_traffic_restart(struct priv *priv, struct rte_eth_dev *dev)
391 if (dev->data->dev_started) {
392 priv_dev_traffic_disable(priv, dev);
393 priv_dev_traffic_enable(priv, dev);
399 * Restart traffic flows configured by control plane
402 * Pointer to Ethernet device structure.
408 mlx5_traffic_restart(struct rte_eth_dev *dev)
410 struct priv *priv = dev->data->dev_private;
413 priv_dev_traffic_restart(priv, dev);