X-Git-Url: http://git.droids-corp.org/?a=blobdiff_plain;f=drivers%2Fnet%2Fmlx5%2Fmlx5_trigger.c;h=917b433c4a6a816990f161935ec0c4796221bf6a;hb=c1d4e9d37abdc6c07a05f7d96928e624fea9ebb5;hp=3d6b8c3b094fee2aced303ea0308950ca67a82ec;hpb=0f99970b4adc943264df0487904d340124765e68;p=dpdk.git diff --git a/drivers/net/mlx5/mlx5_trigger.c b/drivers/net/mlx5/mlx5_trigger.c index 3d6b8c3b09..917b433c4a 100644 --- a/drivers/net/mlx5/mlx5_trigger.c +++ b/drivers/net/mlx5/mlx5_trigger.c @@ -1,6 +1,6 @@ /* SPDX-License-Identifier: BSD-3-Clause * Copyright 2015 6WIND S.A. - * Copyright 2015 Mellanox. + * Copyright 2015 Mellanox Technologies, Ltd */ #include @@ -10,9 +10,13 @@ #include #include +#include + #include "mlx5.h" +#include "mlx5_mr.h" #include "mlx5_rxtx.h" #include "mlx5_utils.h" +#include "rte_pmd_mlx5.h" /** * Stop traffic on Tx queues. @@ -23,7 +27,7 @@ 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 +46,58 @@ 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); + struct mlx5_txq_data *txq_data = &txq_ctrl->txq; + uint32_t flags = MLX5_MEM_RTE | MLX5_MEM_ZERO; 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) { + if (txq_ctrl->type == MLX5_TXQ_TYPE_STANDARD) + txq_alloc_elts(txq_ctrl); + MLX5_ASSERT(!txq_ctrl->obj); + txq_ctrl->obj = mlx5_malloc(flags, sizeof(struct mlx5_txq_obj), + 0, txq_ctrl->socket); + if (!txq_ctrl->obj) { + DRV_LOG(ERR, "Port %u Tx queue %u cannot allocate " + "memory resources.", dev->data->port_id, + txq_data->idx); rte_errno = ENOMEM; goto error; } + ret = priv->obj_ops.txq_obj_new(dev, i); + if (ret < 0) { + mlx5_free(txq_ctrl->obj); + txq_ctrl->obj = NULL; + goto error; + } + if (txq_ctrl->type == MLX5_TXQ_TYPE_STANDARD) { + size_t size = txq_data->cqe_s * sizeof(*txq_data->fcqs); + txq_data->fcqs = mlx5_malloc(flags, size, + RTE_CACHE_LINE_SIZE, + txq_ctrl->socket); + if (!txq_data->fcqs) { + DRV_LOG(ERR, "Port %u Tx queue %u cannot " + "allocate memory (FCQ).", + dev->data->port_id, i); + rte_errno = ENOMEM; + goto error; + } + } + DRV_LOG(DEBUG, "Port %u txq %u updated with %p.", + dev->data->port_id, i, (void *)&txq_ctrl->obj); + LIST_INSERT_HEAD(&priv->txqsobj, txq_ctrl->obj, next); } - 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 +111,7 @@ 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 +130,157 @@ 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; + /* 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; + } + DRV_LOG(DEBUG, "Port %u device_attr.max_qp_wr is %d.", + dev->data->port_id, priv->sh->device_attr.max_qp_wr); + DRV_LOG(DEBUG, "Port %u device_attr.max_sge is %d.", + dev->data->port_id, priv->sh->device_attr.max_sge); 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; - ret = rxq_alloc_elts(rxq_ctrl); - if (ret) + if (rxq_ctrl->type == MLX5_RXQ_TYPE_STANDARD) { + /* 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; + } + MLX5_ASSERT(!rxq_ctrl->obj); + rxq_ctrl->obj = mlx5_malloc(MLX5_MEM_RTE | MLX5_MEM_ZERO, + sizeof(*rxq_ctrl->obj), 0, + rxq_ctrl->socket); + if (!rxq_ctrl->obj) { + DRV_LOG(ERR, + "Port %u Rx queue %u can't allocate resources.", + dev->data->port_id, (*priv->rxqs)[i]->idx); + rte_errno = ENOMEM; goto error; - rxq_ctrl->ibv = mlx5_rxq_ibv_new(dev, i); - if (!rxq_ctrl->ibv) + } + ret = priv->obj_ops.rxq_obj_new(dev, i); + if (ret) { + mlx5_free(rxq_ctrl->obj); goto error; + } + DRV_LOG(DEBUG, "Port %u rxq %u updated with %p.", + dev->data->port_id, i, (void *)&rxq_ctrl->obj); + LIST_INSERT_HEAD(&priv->rxqsobj, rxq_ctrl->obj, next); } 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. * @@ -143,61 +295,108 @@ 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; + int fine_inline; - dev->data->dev_started = 1; - ret = mlx5_flow_create_drop_queue(dev); + DRV_LOG(DEBUG, "port %u starting device", dev->data->port_id); + fine_inline = rte_mbuf_dynflag_lookup + (RTE_PMD_MLX5_FINE_GRANULARITY_INLINE, NULL); + if (fine_inline >= 0) + rte_net_mlx5_dynf_inline_mask = 1UL << fine_inline; + else + rte_net_mlx5_dynf_inline_mask = 0; + if (dev->data->nb_rx_queues > 0) { + 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_txpp_start(dev); if (ret) { - ERROR("port %u drop queue allocation failed: %s", - dev->data->port_id, strerror(rte_errno)); + DRV_LOG(ERR, "port %u Tx packet pacing init failed: %s", + dev->data->port_id, strerror(rte_errno)); goto error; } - DEBUG("port %u allocating and configuring hash Rx queues", - dev->data->port_id); - rte_mempool_walk(mlx5_mp2mr_iter, priv); ret = mlx5_txq_start(dev); if (ret) { - ERROR("port %u Tx queue allocation failed: %s", - dev->data->port_id, strerror(rte_errno)); + DRV_LOG(ERR, "port %u Tx queue allocation failed: %s", + dev->data->port_id, strerror(rte_errno)); goto error; } ret = mlx5_rxq_start(dev); if (ret) { - ERROR("port %u Rx queue allocation failed: %s", - dev->data->port_id, strerror(rte_errno)); + DRV_LOG(ERR, "port %u Rx queue allocation failed: %s", + dev->data->port_id, strerror(rte_errno)); goto error; } + ret = mlx5_hairpin_bind(dev); + if (ret) { + DRV_LOG(ERR, "port %u hairpin binding failed: %s", + dev->data->port_id, strerror(rte_errno)); + goto error; + } + /* Set started flag here for the following steps like control flow. */ + dev->data->dev_started = 1; ret = mlx5_rx_intr_vec_enable(dev); if (ret) { - ERROR("port %u Rx interrupt vector creation failed", - dev->data->port_id); + DRV_LOG(ERR, "port %u Rx interrupt vector creation failed", + dev->data->port_id); + goto error; + } + mlx5_os_stats_init(dev); + ret = mlx5_traffic_enable(dev); + if (ret) { + DRV_LOG(ERR, "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("port %u forcing link to be up", dev->data->port_id); - ret = mlx5_force_link_status_change(dev, ETH_LINK_UP); + /* Set a mask and offset of dynamic metadata flows into Rx queues. */ + mlx5_flow_rxq_dynf_metadata_set(dev); + /* Set flags and context to convert Rx timestamps. */ + mlx5_rxq_timestamp_set(dev); + /* Set a mask and offset of scheduling on timestamp into Tx queues. */ + mlx5_txq_dynf_timestamp_set(dev); + /* + * In non-cached mode, it only needs to start the default mreg copy + * action and no flow created by application exists anymore. + * But it is worth wrapping the interface for further usage. + */ + ret = mlx5_flow_start_default(dev); if (ret) { - DEBUG("failed to set port %u link to be up", - dev->data->port_id); + DRV_LOG(DEBUG, "port %u failed to start default actions: %s", + dev->data->port_id, strerror(rte_errno)); goto error; } - mlx5_dev_interrupt_handler_install(dev); + 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_os_req_start_rxtx(dev); + if (priv->sh->intr_handle.fd >= 0) { + priv->sh->port[priv->dev_port - 1].ih_port_id = + (uint32_t)dev->data->port_id; + } else { + DRV_LOG(INFO, "port %u starts without LSC and RMV interrupts.", + dev->data->port_id); + dev->data->dev_conf.intr_conf.lsc = 0; + dev->data->dev_conf.intr_conf.rmv = 0; + } + if (priv->sh->intr_handle_devx.fd >= 0) + priv->sh->port[priv->dev_port - 1].devx_ih_port_id = + (uint32_t)dev->data->port_id; 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_flow_stop_default(dev); mlx5_traffic_disable(dev); mlx5_txq_stop(dev); mlx5_rxq_stop(dev); - mlx5_flow_delete_drop_queue(dev); + mlx5_txpp_stop(dev); /* Stop last. */ rte_errno = ret; /* Restore rte_errno. */ return -rte_errno; } @@ -210,29 +409,33 @@ error: * @param dev * Pointer to Ethernet device structure. */ -void +int 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_os_req_stop_rxtx(dev); usleep(1000 * priv->rxqs_n); - DEBUG("port %u cleaning up and destroying hash Rx queues", - dev->data->port_id); - mlx5_flow_stop(dev, &priv->flows); + DRV_LOG(DEBUG, "port %u stopping device", dev->data->port_id); + mlx5_flow_stop_default(dev); + /* Control flows for default traffic can be removed firstly. */ mlx5_traffic_disable(dev); + /* All RX queue flags will be cleared in the flush interface. */ + mlx5_flow_list_flush(dev, &priv->flows, true); mlx5_rx_intr_vec_disable(dev); - mlx5_dev_interrupt_handler_uninstall(dev); + priv->sh->port[priv->dev_port - 1].ih_port_id = RTE_MAX_ETHPORTS; + priv->sh->port[priv->dev_port - 1].devx_ih_port_id = RTE_MAX_ETHPORTS; 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); + mlx5_txpp_stop(dev); + + return 0; } /** @@ -249,7 +452,7 @@ 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", }; @@ -266,13 +469,48 @@ 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)) + priv->fdb_def_rule = 1; + else + DRV_LOG(INFO, "port %u FDB default rule cannot be" + " configured - only Eswitch group 0 flows are" + " supported.", dev->data->port_id); + } + if (!priv->config.lacp_by_user && priv->pf_bond >= 0) { + ret = mlx5_flow_lacp_miss(dev); + if (ret) + DRV_LOG(INFO, "port %u LACP rule cannot be created - " + "forward LACP to kernel.", dev->data->port_id); + else + DRV_LOG(INFO, "LACP traffic will be missed in port %u." + , dev->data->port_id); + } if (priv->isolated) return 0; if (dev->data->promiscuous) { @@ -304,9 +542,8 @@ 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); @@ -330,22 +567,21 @@ 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, @@ -363,7 +599,7 @@ mlx5_traffic_enable(struct rte_eth_dev *dev) return 0; error: ret = rte_errno; /* Save rte_errno before cleanup. */ - mlx5_flow_list_flush(dev, &priv->ctrl_flows); + mlx5_flow_list_flush(dev, &priv->ctrl_flows, false); rte_errno = ret; /* Restore rte_errno. */ return -rte_errno; } @@ -378,9 +614,9 @@ 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); + mlx5_flow_list_flush(dev, &priv->ctrl_flows, false); } /**