net: add rte prefix to ether defines
[dpdk.git] / drivers / net / mlx5 / mlx5_trigger.c
index 07226b8..d5ce74d 100644 (file)
@@ -1,6 +1,6 @@
 /* SPDX-License-Identifier: BSD-3-Clause
  * Copyright 2015 6WIND S.A.
- * Copyright 2015 Mellanox.
+ * Copyright 2015 Mellanox Technologies, Ltd
  */
 
 #include <unistd.h>
@@ -23,7 +23,7 @@
 static void
 mlx5_txq_stop(struct rte_eth_dev *dev)
 {
-       struct priv *priv = dev->data->dev_private;
+       struct mlx5_priv *priv = dev->data->dev_private;
        unsigned int i;
 
        for (i = 0; i != priv->txqs_n; ++i)
@@ -37,42 +37,35 @@ mlx5_txq_stop(struct rte_eth_dev *dev)
  *   Pointer to Ethernet device structure.
  *
  * @return
- *   0 on success, errno on error.
+ *   0 on success, a negative errno value otherwise and rte_errno is set.
  */
 static int
 mlx5_txq_start(struct rte_eth_dev *dev)
 {
-       struct priv *priv = dev->data->dev_private;
+       struct mlx5_priv *priv = dev->data->dev_private;
        unsigned int i;
-       int ret = 0;
+       int ret;
 
-       /* Add memory regions to Tx queues. */
        for (i = 0; i != priv->txqs_n; ++i) {
-               unsigned int idx = 0;
-               struct mlx5_mr *mr;
                struct mlx5_txq_ctrl *txq_ctrl = mlx5_txq_get(dev, i);
 
                if (!txq_ctrl)
                        continue;
-               LIST_FOREACH(mr, &priv->mr, next) {
-                       mlx5_txq_mp2mr_reg(&txq_ctrl->txq, mr->mp, idx++);
-                       if (idx == MLX5_PMD_TX_MP_CACHE)
-                               break;
-               }
                txq_alloc_elts(txq_ctrl);
                txq_ctrl->ibv = mlx5_txq_ibv_new(dev, i);
                if (!txq_ctrl->ibv) {
-                       ret = ENOMEM;
+                       rte_errno = ENOMEM;
                        goto error;
                }
        }
-       ret = mlx5_tx_uar_remap(dev, priv->ctx->cmd_fd);
-       if (ret)
-               goto error;
-       return ret;
+       return 0;
 error:
-       mlx5_txq_stop(dev);
-       return ret;
+       ret = rte_errno; /* Save rte_errno before cleanup. */
+       do {
+               mlx5_txq_release(dev, i);
+       } while (i-- != 0);
+       rte_errno = ret; /* Restore rte_errno. */
+       return -rte_errno;
 }
 
 /**
@@ -84,7 +77,7 @@ error:
 static void
 mlx5_rxq_stop(struct rte_eth_dev *dev)
 {
-       struct priv *priv = dev->data->dev_private;
+       struct mlx5_priv *priv = dev->data->dev_private;
        unsigned int i;
 
        for (i = 0; i != priv->rxqs_n; ++i)
@@ -98,33 +91,50 @@ mlx5_rxq_stop(struct rte_eth_dev *dev)
  *   Pointer to Ethernet device structure.
  *
  * @return
- *   0 on success, errno on error.
+ *   0 on success, a negative errno value otherwise and rte_errno is set.
  */
 static int
 mlx5_rxq_start(struct rte_eth_dev *dev)
 {
-       struct priv *priv = dev->data->dev_private;
+       struct mlx5_priv *priv = dev->data->dev_private;
        unsigned int i;
        int ret = 0;
 
+       /* Allocate/reuse/resize mempool for Multi-Packet RQ. */
+       if (mlx5_mprq_alloc_mp(dev)) {
+               /* Should not release Rx queues but return immediately. */
+               return -rte_errno;
+       }
        for (i = 0; i != priv->rxqs_n; ++i) {
                struct mlx5_rxq_ctrl *rxq_ctrl = mlx5_rxq_get(dev, i);
+               struct rte_mempool *mp;
 
                if (!rxq_ctrl)
                        continue;
+               /* Pre-register Rx mempool. */
+               mp = mlx5_rxq_mprq_enabled(&rxq_ctrl->rxq) ?
+                    rxq_ctrl->rxq.mprq_mp : rxq_ctrl->rxq.mp;
+               DRV_LOG(DEBUG,
+                       "port %u Rx queue %u registering"
+                       " mp %s having %u chunks",
+                       dev->data->port_id, rxq_ctrl->rxq.idx,
+                       mp->name, mp->nb_mem_chunks);
+               mlx5_mr_update_mp(dev, &rxq_ctrl->rxq.mr_ctrl, mp);
                ret = rxq_alloc_elts(rxq_ctrl);
                if (ret)
                        goto error;
                rxq_ctrl->ibv = mlx5_rxq_ibv_new(dev, i);
-               if (!rxq_ctrl->ibv) {
-                       ret = ENOMEM;
+               if (!rxq_ctrl->ibv)
                        goto error;
-               }
        }
-       return -ret;
+       return 0;
 error:
-       mlx5_rxq_stop(dev);
-       return -ret;
+       ret = rte_errno; /* Save rte_errno before cleanup. */
+       do {
+               mlx5_rxq_release(dev, i);
+       } while (i-- != 0);
+       rte_errno = ret; /* Restore rte_errno. */
+       return -rte_errno;
 }
 
 /**
@@ -136,65 +146,65 @@ error:
  *   Pointer to Ethernet device structure.
  *
  * @return
- *   0 on success, negative errno value on failure.
+ *   0 on success, a negative errno value otherwise and rte_errno is set.
  */
 int
 mlx5_dev_start(struct rte_eth_dev *dev)
 {
-       struct priv *priv = dev->data->dev_private;
-       struct mlx5_mr *mr = NULL;
-       int err;
+       struct mlx5_priv *priv = dev->data->dev_private;
+       int ret;
 
-       dev->data->dev_started = 1;
-       err = mlx5_flow_create_drop_queue(dev);
-       if (err) {
-               ERROR("%p: Drop queue allocation failed: %s",
-                     (void *)dev, strerror(err));
-               goto error;
+       DRV_LOG(DEBUG, "port %u starting device", dev->data->port_id);
+       ret = mlx5_txq_start(dev);
+       if (ret) {
+               DRV_LOG(ERR, "port %u Tx queue allocation failed: %s",
+                       dev->data->port_id, strerror(rte_errno));
+               return -rte_errno;
        }
-       DEBUG("%p: allocating and configuring hash RX queues", (void *)dev);
-       rte_mempool_walk(mlx5_mp2mr_iter, priv);
-       err = mlx5_txq_start(dev);
-       if (err) {
-               ERROR("%p: TXQ allocation failed: %s",
-                     (void *)dev, strerror(err));
-               goto error;
+       ret = mlx5_rxq_start(dev);
+       if (ret) {
+               DRV_LOG(ERR, "port %u Rx queue allocation failed: %s",
+                       dev->data->port_id, strerror(rte_errno));
+               mlx5_txq_stop(dev);
+               return -rte_errno;
        }
-       err = mlx5_rxq_start(dev);
-       if (err) {
-               ERROR("%p: RXQ allocation failed: %s",
-                     (void *)dev, strerror(err));
+       dev->data->dev_started = 1;
+       ret = mlx5_rx_intr_vec_enable(dev);
+       if (ret) {
+               DRV_LOG(ERR, "port %u Rx interrupt vector creation failed",
+                       dev->data->port_id);
                goto error;
        }
-       err = mlx5_rx_intr_vec_enable(dev);
-       if (err) {
-               ERROR("%p: RX interrupt vector creation failed",
-                     (void *)priv);
+       mlx5_stats_init(dev);
+       ret = mlx5_traffic_enable(dev);
+       if (ret) {
+               DRV_LOG(DEBUG, "port %u failed to set defaults flows",
+                       dev->data->port_id);
                goto error;
        }
-       mlx5_xstats_init(dev);
-       /* Update link status and Tx/Rx callbacks for the first time. */
-       memset(&dev->data->dev_link, 0, sizeof(struct rte_eth_link));
-       INFO("Forcing port %u link to be up", dev->data->port_id);
-       err = mlx5_force_link_status_change(dev, ETH_LINK_UP);
-       if (err) {
-               DEBUG("Failed to set port %u link to be up",
-                     dev->data->port_id);
+       ret = mlx5_flow_start(dev, &priv->flows);
+       if (ret) {
+               DRV_LOG(DEBUG, "port %u failed to set flows",
+                       dev->data->port_id);
                goto error;
        }
+       rte_wmb();
+       dev->tx_pkt_burst = mlx5_select_tx_function(dev);
+       dev->rx_pkt_burst = mlx5_select_rx_function(dev);
+       /* Enable datapath on secondary process. */
+       mlx5_mp_req_start_rxtx(dev);
        mlx5_dev_interrupt_handler_install(dev);
        return 0;
 error:
+       ret = rte_errno; /* Save rte_errno before cleanup. */
        /* Rollback. */
        dev->data->dev_started = 0;
-       for (mr = LIST_FIRST(&priv->mr); mr; mr = LIST_FIRST(&priv->mr))
-               mlx5_mr_release(mr);
        mlx5_flow_stop(dev, &priv->flows);
        mlx5_traffic_disable(dev);
        mlx5_txq_stop(dev);
        mlx5_rxq_stop(dev);
-       mlx5_flow_delete_drop_queue(dev);
-       return err;
+       rte_errno = ret; /* Restore rte_errno. */
+       return -rte_errno;
 }
 
 /**
@@ -208,25 +218,23 @@ error:
 void
 mlx5_dev_stop(struct rte_eth_dev *dev)
 {
-       struct priv *priv = dev->data->dev_private;
-       struct mlx5_mr *mr;
+       struct mlx5_priv *priv = dev->data->dev_private;
 
        dev->data->dev_started = 0;
        /* Prevent crashes when queues are still in use. */
        dev->rx_pkt_burst = removed_rx_burst;
        dev->tx_pkt_burst = removed_tx_burst;
        rte_wmb();
+       /* Disable datapath on secondary process. */
+       mlx5_mp_req_stop_rxtx(dev);
        usleep(1000 * priv->rxqs_n);
-       DEBUG("%p: cleaning up and destroying hash RX queues", (void *)dev);
+       DRV_LOG(DEBUG, "port %u stopping device", dev->data->port_id);
        mlx5_flow_stop(dev, &priv->flows);
        mlx5_traffic_disable(dev);
        mlx5_rx_intr_vec_disable(dev);
        mlx5_dev_interrupt_handler_uninstall(dev);
        mlx5_txq_stop(dev);
        mlx5_rxq_stop(dev);
-       for (mr = LIST_FIRST(&priv->mr); mr; mr = LIST_FIRST(&priv->mr))
-               mlx5_mr_release(mr);
-       mlx5_flow_delete_drop_queue(dev);
 }
 
 /**
@@ -238,12 +246,12 @@ mlx5_dev_stop(struct rte_eth_dev *dev)
  *   Pointer to Ethernet device structure.
  *
  * @return
- *   0 on success.
+ *   0 on success, a negative errno value otherwise and rte_errno is set.
  */
 int
 mlx5_traffic_enable(struct rte_eth_dev *dev)
 {
-       struct priv *priv = dev->data->dev_private;
+       struct mlx5_priv *priv = dev->data->dev_private;
        struct rte_flow_item_eth bcast = {
                .dst.addr_bytes = "\xff\xff\xff\xff\xff\xff",
        };
@@ -260,7 +268,7 @@ mlx5_traffic_enable(struct rte_eth_dev *dev)
                .dst.addr_bytes = "\xff\xff\xff\xff\xff\xff",
        };
        const unsigned int vlan_filter_n = priv->vlan_filter_n;
-       const struct ether_addr cmp = {
+       const struct rte_ether_addr cmp = {
                .addr_bytes = "\x00\x00\x00\x00\x00\x00",
        };
        unsigned int i;
@@ -276,8 +284,9 @@ mlx5_traffic_enable(struct rte_eth_dev *dev)
                        .type = 0,
                };
 
-               claim_zero(mlx5_ctrl_flow(dev, &promisc, &promisc));
-               return 0;
+               ret = mlx5_ctrl_flow(dev, &promisc, &promisc);
+               if (ret)
+                       goto error;
        }
        if (dev->data->all_multicast) {
                struct rte_flow_item_eth multicast = {
@@ -286,7 +295,9 @@ mlx5_traffic_enable(struct rte_eth_dev *dev)
                        .type = 0,
                };
 
-               claim_zero(mlx5_ctrl_flow(dev, &multicast, &multicast));
+               ret = mlx5_ctrl_flow(dev, &multicast, &multicast);
+               if (ret)
+                       goto error;
        } else {
                /* Add broadcast/multicast flows. */
                for (i = 0; i != vlan_filter_n; ++i) {
@@ -295,9 +306,8 @@ mlx5_traffic_enable(struct rte_eth_dev *dev)
                        struct rte_flow_item_vlan vlan_spec = {
                                .tci = rte_cpu_to_be_16(vlan),
                        };
-                       struct rte_flow_item_vlan vlan_mask = {
-                               .tci = 0xffff,
-                       };
+                       struct rte_flow_item_vlan vlan_mask =
+                               rte_flow_item_vlan_mask;
 
                        ret = mlx5_ctrl_flow_vlan(dev, &bcast, &bcast,
                                                  &vlan_spec, &vlan_mask);
@@ -321,22 +331,21 @@ mlx5_traffic_enable(struct rte_eth_dev *dev)
        }
        /* Add MAC address flows. */
        for (i = 0; i != MLX5_MAX_MAC_ADDRESSES; ++i) {
-               struct ether_addr *mac = &dev->data->mac_addrs[i];
+               struct rte_ether_addr *mac = &dev->data->mac_addrs[i];
 
                if (!memcmp(mac, &cmp, sizeof(*mac)))
                        continue;
                memcpy(&unicast.dst.addr_bytes,
                       mac->addr_bytes,
-                      ETHER_ADDR_LEN);
+                      RTE_ETHER_ADDR_LEN);
                for (j = 0; j != vlan_filter_n; ++j) {
                        uint16_t vlan = priv->vlan_filter[j];
 
                        struct rte_flow_item_vlan vlan_spec = {
                                .tci = rte_cpu_to_be_16(vlan),
                        };
-                       struct rte_flow_item_vlan vlan_mask = {
-                               .tci = 0xffff,
-                       };
+                       struct rte_flow_item_vlan vlan_mask =
+                               rte_flow_item_vlan_mask;
 
                        ret = mlx5_ctrl_flow_vlan(dev, &unicast,
                                                  &unicast_mask,
@@ -346,15 +355,17 @@ mlx5_traffic_enable(struct rte_eth_dev *dev)
                                goto error;
                }
                if (!vlan_filter_n) {
-                       ret = mlx5_ctrl_flow(dev, &unicast,
-                                            &unicast_mask);
+                       ret = mlx5_ctrl_flow(dev, &unicast, &unicast_mask);
                        if (ret)
                                goto error;
                }
        }
        return 0;
 error:
-       return rte_errno;
+       ret = rte_errno; /* Save rte_errno before cleanup. */
+       mlx5_flow_list_flush(dev, &priv->ctrl_flows);
+       rte_errno = ret; /* Restore rte_errno. */
+       return -rte_errno;
 }
 
 
@@ -363,17 +374,13 @@ error:
  *
  * @param dev
  *   Pointer to Ethernet device private data.
- *
- * @return
- *   0 on success.
  */
-int
+void
 mlx5_traffic_disable(struct rte_eth_dev *dev)
 {
-       struct priv *priv = dev->data->dev_private;
+       struct mlx5_priv *priv = dev->data->dev_private;
 
        mlx5_flow_list_flush(dev, &priv->ctrl_flows);
-       return 0;
 }
 
 /**
@@ -383,14 +390,14 @@ mlx5_traffic_disable(struct rte_eth_dev *dev)
  *   Pointer to Ethernet device private data.
  *
  * @return
- *   0 on success.
+ *   0 on success, a negative errno value otherwise and rte_errno is set.
  */
 int
 mlx5_traffic_restart(struct rte_eth_dev *dev)
 {
        if (dev->data->dev_started) {
                mlx5_traffic_disable(dev);
-               mlx5_traffic_enable(dev);
+               return mlx5_traffic_enable(dev);
        }
        return 0;
 }