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[89.79.189.199]) by smtp.gmail.com with ESMTPSA id t17sm4679856wmq.12.2021.05.05.00.34.22 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Wed, 05 May 2021 00:34:23 -0700 (PDT) From: Michal Krawczyk To: dev@dpdk.org Cc: ndagan@amazon.com, gtzalik@amazon.com, igorch@amazon.com, upstream@semihalf.com, Stanislaw Kardach , Michal Krawczyk , Shay Agroskin Date: Wed, 5 May 2021 09:33:45 +0200 Message-Id: <20210505073348.6394-20-mk@semihalf.com> X-Mailer: git-send-email 2.25.1 In-Reply-To: <20210505073348.6394-1-mk@semihalf.com> References: <20210430125725.28796-1-mk@semihalf.com> <20210505073348.6394-1-mk@semihalf.com> MIME-Version: 1.0 Subject: [dpdk-dev] [PATCH v2 19/22] net/ena: make ethdev references smp safe X-BeenThere: dev@dpdk.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: DPDK patches and discussions List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: dev-bounces@dpdk.org Sender: "dev" From: Stanislaw Kardach rte_pci_device and rte_eth_dev are process-local structures. Therefore ena_adapter::pdev and ena_adapter::rte_dev cannot be used universally. Switch this to extracting those structures via rte_eth_devices indexing and remove pdev since it's not used outside of init. Signed-off-by: Stanislaw Kardach Reviewed-by: Michal Krawczyk Reviewed-by: Igor Chauskin Reviewed-by: Shay Agroskin --- drivers/net/ena/ena_ethdev.c | 47 ++++++++++++++++++------------------ drivers/net/ena/ena_ethdev.h | 5 ++-- 2 files changed, 25 insertions(+), 27 deletions(-) diff --git a/drivers/net/ena/ena_ethdev.c b/drivers/net/ena/ena_ethdev.c index 5c365e1ab5..90ea40513a 100644 --- a/drivers/net/ena/ena_ethdev.c +++ b/drivers/net/ena/ena_ethdev.c @@ -168,6 +168,7 @@ static const struct rte_pci_id pci_id_ena_map[] = { static struct ena_aenq_handlers aenq_handlers; static int ena_device_init(struct ena_com_dev *ena_dev, + struct rte_pci_device *pdev, struct ena_com_dev_get_features_ctx *get_feat_ctx, bool *wd_state); static int ena_dev_configure(struct rte_eth_dev *dev); @@ -451,11 +452,11 @@ static void ena_config_host_info(struct ena_com_dev *ena_dev) } /* This function calculates the number of xstats based on the current config */ -static unsigned int ena_xstats_calc_num(struct rte_eth_dev *dev) +static unsigned int ena_xstats_calc_num(struct rte_eth_dev_data *data) { return ENA_STATS_ARRAY_GLOBAL + ENA_STATS_ARRAY_ENI + - (dev->data->nb_tx_queues * ENA_STATS_ARRAY_TX) + - (dev->data->nb_rx_queues * ENA_STATS_ARRAY_RX); + (data->nb_tx_queues * ENA_STATS_ARRAY_TX) + + (data->nb_rx_queues * ENA_STATS_ARRAY_RX); } static void ena_config_debug_area(struct ena_adapter *adapter) @@ -463,7 +464,7 @@ static void ena_config_debug_area(struct ena_adapter *adapter) u32 debug_area_size; int rc, ss_count; - ss_count = ena_xstats_calc_num(adapter->rte_dev); + ss_count = ena_xstats_calc_num(adapter->edev_data); /* allocate 32 bytes for each string and 64bit for the value */ debug_area_size = ss_count * ETH_GSTRING_LEN + sizeof(u64) * ss_count; @@ -587,7 +588,7 @@ static int ena_rss_reta_update(struct rte_eth_dev *dev, } PMD_DRV_LOG(DEBUG, "%s(): RSS configured %d entries for port %d\n", - __func__, reta_size, adapter->rte_dev->data->port_id); + __func__, reta_size, dev->data->port_id); return 0; } @@ -631,7 +632,7 @@ static int ena_rss_reta_query(struct rte_eth_dev *dev, static int ena_rss_init_default(struct ena_adapter *adapter) { struct ena_com_dev *ena_dev = &adapter->ena_dev; - uint16_t nb_rx_queues = adapter->rte_dev->data->nb_rx_queues; + uint16_t nb_rx_queues = adapter->edev_data->nb_rx_queues; int rc, i; u32 val; @@ -669,8 +670,7 @@ static int ena_rss_init_default(struct ena_adapter *adapter) PMD_DRV_LOG(ERR, "Cannot flush the indirect table\n"); goto err_fill_indir; } - PMD_DRV_LOG(DEBUG, "RSS configured for port %d\n", - adapter->rte_dev->data->port_id); + PMD_DRV_LOG(DEBUG, "RSS configured for port %d\n", adapter->port_id); return 0; @@ -841,10 +841,10 @@ static uint32_t ena_get_mtu_conf(struct ena_adapter *adapter) { uint32_t max_frame_len = adapter->max_mtu; - if (adapter->rte_eth_dev_data->dev_conf.rxmode.offloads & + if (adapter->edev_data->dev_conf.rxmode.offloads & DEV_RX_OFFLOAD_JUMBO_FRAME) max_frame_len = - adapter->rte_eth_dev_data->dev_conf.rxmode.max_rx_pkt_len; + adapter->edev_data->dev_conf.rxmode.max_rx_pkt_len; return max_frame_len; } @@ -1064,8 +1064,8 @@ static int ena_start(struct rte_eth_dev *dev) if (rc) goto err_start_tx; - if (adapter->rte_dev->data->dev_conf.rxmode.mq_mode & - ETH_MQ_RX_RSS_FLAG && adapter->rte_dev->data->nb_rx_queues > 0) { + if (adapter->edev_data->dev_conf.rxmode.mq_mode & + ETH_MQ_RX_RSS_FLAG && adapter->edev_data->nb_rx_queues > 0) { rc = ena_rss_init_default(adapter); if (rc) goto err_rss_init; @@ -1505,6 +1505,7 @@ static int ena_populate_rx_queue(struct ena_ring *rxq, unsigned int count) } static int ena_device_init(struct ena_com_dev *ena_dev, + struct rte_pci_device *pdev, struct ena_com_dev_get_features_ctx *get_feat_ctx, bool *wd_state) { @@ -1522,9 +1523,7 @@ static int ena_device_init(struct ena_com_dev *ena_dev, /* The PCIe configuration space revision id indicate if mmio reg * read is disabled. */ - readless_supported = - !(((struct rte_pci_device *)ena_dev->dmadev)->id.class_id - & ENA_MMIO_DISABLE_REG_READ); + readless_supported = !(pdev->id.class_id & ENA_MMIO_DISABLE_REG_READ); ena_com_set_mmio_read_mode(ena_dev, readless_supported); /* reset device */ @@ -1634,7 +1633,7 @@ static void ena_timer_wd_callback(__rte_unused struct rte_timer *timer, void *arg) { struct ena_adapter *adapter = arg; - struct rte_eth_dev *dev = adapter->rte_dev; + struct rte_eth_dev *dev = &rte_eth_devices[adapter->port_id]; check_for_missing_keep_alive(adapter); check_for_admin_com_state(adapter); @@ -1819,11 +1818,10 @@ static int eth_ena_dev_init(struct rte_eth_dev *eth_dev) memset(adapter, 0, sizeof(struct ena_adapter)); ena_dev = &adapter->ena_dev; - adapter->rte_eth_dev_data = eth_dev->data; - adapter->rte_dev = eth_dev; + adapter->edev_data = eth_dev->data; + adapter->port_id = eth_dev->data->port_id; pci_dev = RTE_ETH_DEV_TO_PCI(eth_dev); - adapter->pdev = pci_dev; PMD_INIT_LOG(INFO, "Initializing %x:%x:%x.%d", pci_dev->addr.domain, @@ -1843,7 +1841,8 @@ static int eth_ena_dev_init(struct rte_eth_dev *eth_dev) } ena_dev->reg_bar = adapter->regs; - ena_dev->dmadev = adapter->pdev; + /* This is a dummy pointer for ena_com functions. */ + ena_dev->dmadev = adapter; adapter->id_number = adapters_found; @@ -1857,7 +1856,7 @@ static int eth_ena_dev_init(struct rte_eth_dev *eth_dev) } /* device specific initialization routine */ - rc = ena_device_init(ena_dev, &get_feat_ctx, &wd_state); + rc = ena_device_init(ena_dev, pci_dev, &get_feat_ctx, &wd_state); if (rc) { PMD_INIT_LOG(CRIT, "Failed to init ENA device"); goto err; @@ -2716,7 +2715,7 @@ static int ena_xstats_get_names(struct rte_eth_dev *dev, struct rte_eth_xstat_name *xstats_names, unsigned int n) { - unsigned int xstats_count = ena_xstats_calc_num(dev); + unsigned int xstats_count = ena_xstats_calc_num(dev->data); unsigned int stat, i, count = 0; if (n < xstats_count || !xstats_names) @@ -2765,7 +2764,7 @@ static int ena_xstats_get(struct rte_eth_dev *dev, unsigned int n) { struct ena_adapter *adapter = dev->data->dev_private; - unsigned int xstats_count = ena_xstats_calc_num(dev); + unsigned int xstats_count = ena_xstats_calc_num(dev->data); unsigned int stat, i, count = 0; int stat_offset; void *stats_begin; @@ -2997,7 +2996,7 @@ static void ena_update_on_link_change(void *adapter_data, adapter = adapter_data; aenq_link_desc = (struct ena_admin_aenq_link_change_desc *)aenq_e; - eth_dev = adapter->rte_dev; + eth_dev = &rte_eth_devices[adapter->port_id]; status = get_ena_admin_aenq_link_change_desc_link_status(aenq_link_desc); adapter->link_status = status; diff --git a/drivers/net/ena/ena_ethdev.h b/drivers/net/ena/ena_ethdev.h index 1f7383dce0..32e92e1d6b 100644 --- a/drivers/net/ena/ena_ethdev.h +++ b/drivers/net/ena/ena_ethdev.h @@ -219,9 +219,8 @@ struct ena_shared_data { /* board specific private data structure */ struct ena_adapter { /* OS defined structs */ - struct rte_pci_device *pdev; - struct rte_eth_dev_data *rte_eth_dev_data; - struct rte_eth_dev *rte_dev; + struct rte_eth_dev_data *edev_data; + int port_id; struct ena_com_dev ena_dev __rte_cache_aligned;