X-Git-Url: http://git.droids-corp.org/?a=blobdiff_plain;f=drivers%2Fnet%2Fmlx5%2Fmlx5_trigger.c;h=ab6937ab10d108f31ef007f40fa4789dd0826cfa;hb=fde4341b665786632c6e4375ac25af65a3a5eebb;hp=fc56d1ee81ee20e68f8074c0da54eb776fbc6226;hpb=b43802b4bdfe5aeafe562d4093fd908f63acce48;p=dpdk.git

diff --git a/drivers/net/mlx5/mlx5_trigger.c b/drivers/net/mlx5/mlx5_trigger.c
index fc56d1ee81..ab6937ab10 100644
--- a/drivers/net/mlx5/mlx5_trigger.c
+++ b/drivers/net/mlx5/mlx5_trigger.c
@@ -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)
@@ -42,37 +42,34 @@ mlx5_txq_stop(struct rte_eth_dev *dev)
 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;
 
-	/* 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;
+		if (txq_ctrl->type == MLX5_TXQ_TYPE_HAIRPIN) {
+			txq_ctrl->obj = mlx5_txq_obj_new
+				(dev, i, MLX5_TXQ_OBJ_TYPE_DEVX_HAIRPIN);
+		} else {
+			txq_alloc_elts(txq_ctrl);
+			txq_ctrl->obj = mlx5_txq_obj_new
+				(dev, i, MLX5_TXQ_OBJ_TYPE_IBV);
 		}
-		txq_alloc_elts(txq_ctrl);
-		txq_ctrl->ibv = mlx5_txq_ibv_new(dev, i);
-		if (!txq_ctrl->ibv) {
+		if (!txq_ctrl->obj) {
 			rte_errno = ENOMEM;
 			goto error;
 		}
 	}
-	ret = mlx5_tx_uar_remap(dev, priv->ctx->cmd_fd);
-	if (ret)
-		goto error;
 	return 0;
 error:
 	ret = rte_errno; /* Save rte_errno before cleanup. */
-	mlx5_txq_stop(dev);
+	do {
+		mlx5_txq_release(dev, i);
+	} while (i-- != 0);
 	rte_errno = ret; /* Restore rte_errno. */
 	return -rte_errno;
 }
@@ -86,7 +83,7 @@ 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)
@@ -105,30 +102,158 @@ mlx5_rxq_stop(struct rte_eth_dev *dev)
 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;
+	enum mlx5_rxq_obj_type obj_type = MLX5_RXQ_OBJ_TYPE_IBV;
+	struct mlx5_rxq_data *rxq = NULL;
 
+	for (i = 0; i < priv->rxqs_n; ++i) {
+		rxq = (*priv->rxqs)[i];
+
+		if (rxq && rxq->lro) {
+			obj_type =  MLX5_RXQ_OBJ_TYPE_DEVX_RQ;
+			break;
+		}
+	}
+	/* 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;
+		if (rxq_ctrl->type == MLX5_RXQ_TYPE_HAIRPIN) {
+			rxq_ctrl->obj = mlx5_rxq_obj_new
+				(dev, i, MLX5_RXQ_OBJ_TYPE_DEVX_HAIRPIN);
+			if (!rxq_ctrl->obj)
+				goto error;
+			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)
+		rxq_ctrl->obj = mlx5_rxq_obj_new(dev, i, obj_type);
+		if (!rxq_ctrl->obj)
 			goto error;
+		if (obj_type == MLX5_RXQ_OBJ_TYPE_IBV)
+			rxq_ctrl->wqn = rxq_ctrl->obj->wq->wq_num;
+		else if (obj_type == MLX5_RXQ_OBJ_TYPE_DEVX_RQ)
+			rxq_ctrl->wqn = rxq_ctrl->obj->rq->id;
 	}
 	return 0;
 error:
 	ret = rte_errno; /* Save rte_errno before cleanup. */
-	mlx5_rxq_stop(dev);
+	do {
+		mlx5_rxq_release(dev, i);
+	} while (i-- != 0);
 	rte_errno = ret; /* Restore rte_errno. */
 	return -rte_errno;
 }
 
+/**
+ * Binds Tx queues to Rx queues for hairpin.
+ *
+ * Binds Tx queues to the target Rx queues.
+ *
+ * @param dev
+ *   Pointer to Ethernet device structure.
+ *
+ * @return
+ *   0 on success, a negative errno value otherwise and rte_errno is set.
+ */
+static int
+mlx5_hairpin_bind(struct rte_eth_dev *dev)
+{
+	struct mlx5_priv *priv = dev->data->dev_private;
+	struct mlx5_devx_modify_sq_attr sq_attr = { 0 };
+	struct mlx5_devx_modify_rq_attr rq_attr = { 0 };
+	struct mlx5_txq_ctrl *txq_ctrl;
+	struct mlx5_rxq_ctrl *rxq_ctrl;
+	struct mlx5_devx_obj *sq;
+	struct mlx5_devx_obj *rq;
+	unsigned int i;
+	int ret = 0;
+
+	for (i = 0; i != priv->txqs_n; ++i) {
+		txq_ctrl = mlx5_txq_get(dev, i);
+		if (!txq_ctrl)
+			continue;
+		if (txq_ctrl->type != MLX5_TXQ_TYPE_HAIRPIN) {
+			mlx5_txq_release(dev, i);
+			continue;
+		}
+		if (!txq_ctrl->obj) {
+			rte_errno = ENOMEM;
+			DRV_LOG(ERR, "port %u no txq object found: %d",
+				dev->data->port_id, i);
+			mlx5_txq_release(dev, i);
+			return -rte_errno;
+		}
+		sq = txq_ctrl->obj->sq;
+		rxq_ctrl = mlx5_rxq_get(dev,
+					txq_ctrl->hairpin_conf.peers[0].queue);
+		if (!rxq_ctrl) {
+			mlx5_txq_release(dev, i);
+			rte_errno = EINVAL;
+			DRV_LOG(ERR, "port %u no rxq object found: %d",
+				dev->data->port_id,
+				txq_ctrl->hairpin_conf.peers[0].queue);
+			return -rte_errno;
+		}
+		if (rxq_ctrl->type != MLX5_RXQ_TYPE_HAIRPIN ||
+		    rxq_ctrl->hairpin_conf.peers[0].queue != i) {
+			rte_errno = ENOMEM;
+			DRV_LOG(ERR, "port %u Tx queue %d can't be binded to "
+				"Rx queue %d", dev->data->port_id,
+				i, txq_ctrl->hairpin_conf.peers[0].queue);
+			goto error;
+		}
+		rq = rxq_ctrl->obj->rq;
+		if (!rq) {
+			rte_errno = ENOMEM;
+			DRV_LOG(ERR, "port %u hairpin no matching rxq: %d",
+				dev->data->port_id,
+				txq_ctrl->hairpin_conf.peers[0].queue);
+			goto error;
+		}
+		sq_attr.state = MLX5_SQC_STATE_RDY;
+		sq_attr.sq_state = MLX5_SQC_STATE_RST;
+		sq_attr.hairpin_peer_rq = rq->id;
+		sq_attr.hairpin_peer_vhca = priv->config.hca_attr.vhca_id;
+		ret = mlx5_devx_cmd_modify_sq(sq, &sq_attr);
+		if (ret)
+			goto error;
+		rq_attr.state = MLX5_SQC_STATE_RDY;
+		rq_attr.rq_state = MLX5_SQC_STATE_RST;
+		rq_attr.hairpin_peer_sq = sq->id;
+		rq_attr.hairpin_peer_vhca = priv->config.hca_attr.vhca_id;
+		ret = mlx5_devx_cmd_modify_rq(rq, &rq_attr);
+		if (ret)
+			goto error;
+		mlx5_txq_release(dev, i);
+		mlx5_rxq_release(dev, txq_ctrl->hairpin_conf.peers[0].queue);
+	}
+	return 0;
+error:
+	mlx5_txq_release(dev, i);
+	mlx5_rxq_release(dev, txq_ctrl->hairpin_conf.peers[0].queue);
+	return -rte_errno;
+}
+
 /**
  * DPDK callback to start the device.
  *
@@ -143,33 +268,44 @@ error:
 int
 mlx5_dev_start(struct rte_eth_dev *dev)
 {
-	struct priv *priv = dev->data->dev_private;
-	struct mlx5_mr *mr = NULL;
+	struct mlx5_priv *priv = dev->data->dev_private;
 	int ret;
 
-	dev->data->dev_started = 1;
-	DRV_LOG(DEBUG, "port %u allocating and configuring hash Rx queues",
-		dev->data->port_id);
-	rte_mempool_walk(mlx5_mp2mr_iter, priv);
+	DRV_LOG(DEBUG, "port %u starting device", dev->data->port_id);
+	ret = mlx5_dev_configure_rss_reta(dev);
+	if (ret) {
+		DRV_LOG(ERR, "port %u reta config failed: %s",
+			dev->data->port_id, strerror(rte_errno));
+		return -rte_errno;
+	}
 	ret = mlx5_txq_start(dev);
 	if (ret) {
 		DRV_LOG(ERR, "port %u Tx queue allocation failed: %s",
 			dev->data->port_id, strerror(rte_errno));
-		goto error;
+		return -rte_errno;
 	}
 	ret = mlx5_rxq_start(dev);
 	if (ret) {
 		DRV_LOG(ERR, "port %u Rx queue allocation failed: %s",
 			dev->data->port_id, strerror(rte_errno));
-		goto error;
+		mlx5_txq_stop(dev);
+		return -rte_errno;
+	}
+	ret = mlx5_hairpin_bind(dev);
+	if (ret) {
+		DRV_LOG(ERR, "port %u hairpin binding failed: %s",
+			dev->data->port_id, strerror(rte_errno));
+		mlx5_txq_stop(dev);
+		return -rte_errno;
 	}
+	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;
 	}
-	mlx5_xstats_init(dev);
+	mlx5_stats_init(dev);
 	ret = mlx5_traffic_enable(dev);
 	if (ret) {
 		DRV_LOG(DEBUG, "port %u failed to set defaults flows",
@@ -182,16 +318,17 @@ mlx5_dev_start(struct rte_eth_dev *dev)
 			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);
@@ -211,25 +348,23 @@ 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);
-	DRV_LOG(DEBUG, "port %u cleaning up and destroying hash Rx queues",
-		dev->data->port_id);
+	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);
 }
 
 /**
@@ -246,7 +381,7 @@ mlx5_dev_stop(struct rte_eth_dev *dev)
 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",
 	};
@@ -263,13 +398,34 @@ 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;
 	unsigned int j;
 	int ret;
 
+	/*
+	 * Hairpin txq default flow should be created no matter if it is
+	 * isolation mode. Or else all the packets to be sent will be sent
+	 * out directly without the TX flow actions, e.g. encapsulation.
+	 */
+	for (i = 0; i != priv->txqs_n; ++i) {
+		struct mlx5_txq_ctrl *txq_ctrl = mlx5_txq_get(dev, i);
+		if (!txq_ctrl)
+			continue;
+		if (txq_ctrl->type == MLX5_TXQ_TYPE_HAIRPIN) {
+			ret = mlx5_ctrl_flow_source_queue(dev, i);
+			if (ret) {
+				mlx5_txq_release(dev, i);
+				goto error;
+			}
+		}
+		mlx5_txq_release(dev, i);
+	}
+	if (priv->config.dv_esw_en && !priv->config.vf)
+		if (!mlx5_flow_create_esw_table_zero_flow(dev))
+			goto error;
 	if (priv->isolated)
 		return 0;
 	if (dev->data->promiscuous) {
@@ -301,9 +457,8 @@ 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);
@@ -327,22 +482,21 @@ 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,
@@ -375,7 +529,7 @@ error:
 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);
 }