diff options
Diffstat (limited to 'drivers/net/ena/ena_ethdev.c')
| -rw-r--r-- | drivers/net/ena/ena_ethdev.c | 316 |
1 files changed, 287 insertions, 29 deletions
diff --git a/drivers/net/ena/ena_ethdev.c b/drivers/net/ena/ena_ethdev.c index e157587b..ac0803d6 100644 --- a/drivers/net/ena/ena_ethdev.c +++ b/drivers/net/ena/ena_ethdev.c @@ -37,6 +37,8 @@ #include <rte_atomic.h> #include <rte_dev.h> #include <rte_errno.h> +#include <rte_version.h> +#include <rte_eal_memconfig.h> #include "ena_ethdev.h" #include "ena_logs.h" @@ -49,6 +51,10 @@ #include <ena_admin_defs.h> #include <ena_eth_io_defs.h> +#define DRV_MODULE_VER_MAJOR 1 +#define DRV_MODULE_VER_MINOR 0 +#define DRV_MODULE_VER_SUBMINOR 0 + #define ENA_IO_TXQ_IDX(q) (2 * (q)) #define ENA_IO_RXQ_IDX(q) (2 * (q) + 1) /*reverse version of ENA_IO_RXQ_IDX*/ @@ -72,6 +78,89 @@ #define ENA_RX_RSS_TABLE_LOG_SIZE 7 #define ENA_RX_RSS_TABLE_SIZE (1 << ENA_RX_RSS_TABLE_LOG_SIZE) #define ENA_HASH_KEY_SIZE 40 +#define ENA_ETH_SS_STATS 0xFF +#define ETH_GSTRING_LEN 32 + +#define ARRAY_SIZE(x) (sizeof(x) / sizeof((x)[0])) + +enum ethtool_stringset { + ETH_SS_TEST = 0, + ETH_SS_STATS, +}; + +struct ena_stats { + char name[ETH_GSTRING_LEN]; + int stat_offset; +}; + +#define ENA_STAT_ENA_COM_ENTRY(stat) { \ + .name = #stat, \ + .stat_offset = offsetof(struct ena_com_stats_admin, stat) \ +} + +#define ENA_STAT_ENTRY(stat, stat_type) { \ + .name = #stat, \ + .stat_offset = offsetof(struct ena_stats_##stat_type, stat) \ +} + +#define ENA_STAT_RX_ENTRY(stat) \ + ENA_STAT_ENTRY(stat, rx) + +#define ENA_STAT_TX_ENTRY(stat) \ + ENA_STAT_ENTRY(stat, tx) + +#define ENA_STAT_GLOBAL_ENTRY(stat) \ + ENA_STAT_ENTRY(stat, dev) + +static const struct ena_stats ena_stats_global_strings[] = { + ENA_STAT_GLOBAL_ENTRY(tx_timeout), + ENA_STAT_GLOBAL_ENTRY(io_suspend), + ENA_STAT_GLOBAL_ENTRY(io_resume), + ENA_STAT_GLOBAL_ENTRY(wd_expired), + ENA_STAT_GLOBAL_ENTRY(interface_up), + ENA_STAT_GLOBAL_ENTRY(interface_down), + ENA_STAT_GLOBAL_ENTRY(admin_q_pause), +}; + +static const struct ena_stats ena_stats_tx_strings[] = { + ENA_STAT_TX_ENTRY(cnt), + ENA_STAT_TX_ENTRY(bytes), + ENA_STAT_TX_ENTRY(queue_stop), + ENA_STAT_TX_ENTRY(queue_wakeup), + ENA_STAT_TX_ENTRY(dma_mapping_err), + ENA_STAT_TX_ENTRY(linearize), + ENA_STAT_TX_ENTRY(linearize_failed), + ENA_STAT_TX_ENTRY(tx_poll), + ENA_STAT_TX_ENTRY(doorbells), + ENA_STAT_TX_ENTRY(prepare_ctx_err), + ENA_STAT_TX_ENTRY(missing_tx_comp), + ENA_STAT_TX_ENTRY(bad_req_id), +}; + +static const struct ena_stats ena_stats_rx_strings[] = { + ENA_STAT_RX_ENTRY(cnt), + ENA_STAT_RX_ENTRY(bytes), + ENA_STAT_RX_ENTRY(refil_partial), + ENA_STAT_RX_ENTRY(bad_csum), + ENA_STAT_RX_ENTRY(page_alloc_fail), + ENA_STAT_RX_ENTRY(skb_alloc_fail), + ENA_STAT_RX_ENTRY(dma_mapping_err), + ENA_STAT_RX_ENTRY(bad_desc_num), + ENA_STAT_RX_ENTRY(small_copy_len_pkt), +}; + +static const struct ena_stats ena_stats_ena_com_strings[] = { + ENA_STAT_ENA_COM_ENTRY(aborted_cmd), + ENA_STAT_ENA_COM_ENTRY(submitted_cmd), + ENA_STAT_ENA_COM_ENTRY(completed_cmd), + ENA_STAT_ENA_COM_ENTRY(out_of_space), + ENA_STAT_ENA_COM_ENTRY(no_completion), +}; + +#define ENA_STATS_ARRAY_GLOBAL ARRAY_SIZE(ena_stats_global_strings) +#define ENA_STATS_ARRAY_TX ARRAY_SIZE(ena_stats_tx_strings) +#define ENA_STATS_ARRAY_RX ARRAY_SIZE(ena_stats_rx_strings) +#define ENA_STATS_ARRAY_ENA_COM ARRAY_SIZE(ena_stats_ena_com_strings) /** Vendor ID used by Amazon devices */ #define PCI_VENDOR_ID_AMAZON 0x1D0F @@ -80,11 +169,9 @@ #define PCI_DEVICE_ID_ENA_LLQ_VF 0xEC21 static struct rte_pci_id pci_id_ena_map[] = { -#define RTE_PCI_DEV_ID_DECL_ENA(vend, dev) {RTE_PCI_DEVICE(vend, dev)}, - - RTE_PCI_DEV_ID_DECL_ENA(PCI_VENDOR_ID_AMAZON, PCI_DEVICE_ID_ENA_VF) - RTE_PCI_DEV_ID_DECL_ENA(PCI_VENDOR_ID_AMAZON, PCI_DEVICE_ID_ENA_LLQ_VF) - {.device_id = 0}, + { RTE_PCI_DEVICE(PCI_VENDOR_ID_AMAZON, PCI_DEVICE_ID_ENA_VF) }, + { RTE_PCI_DEVICE(PCI_VENDOR_ID_AMAZON, PCI_DEVICE_ID_ENA_LLQ_VF) }, + { .device_id = 0 }, }; static int ena_device_init(struct ena_com_dev *ena_dev, @@ -127,6 +214,7 @@ static int ena_rss_reta_update(struct rte_eth_dev *dev, static int ena_rss_reta_query(struct rte_eth_dev *dev, struct rte_eth_rss_reta_entry64 *reta_conf, uint16_t reta_size); +static int ena_get_sset_count(struct rte_eth_dev *dev, int sset); static struct eth_dev_ops ena_dev_ops = { .dev_configure = ena_dev_configure, @@ -144,6 +232,18 @@ static struct eth_dev_ops ena_dev_ops = { .reta_query = ena_rss_reta_query, }; +#define NUMA_NO_NODE SOCKET_ID_ANY + +static inline int ena_cpu_to_node(int cpu) +{ + struct rte_config *config = rte_eal_get_configuration(); + + if (likely(cpu < RTE_MAX_MEMZONE)) + return config->mem_config->memzone[cpu].socket_id; + + return NUMA_NO_NODE; +} + static inline void ena_rx_mbuf_prepare(struct rte_mbuf *mbuf, struct ena_com_rx_ctx *ena_rx_ctx) { @@ -226,6 +326,103 @@ static inline void ena_tx_mbuf_prepare(struct rte_mbuf *mbuf, } } +static void ena_config_host_info(struct ena_com_dev *ena_dev) +{ + struct ena_admin_host_info *host_info; + int rc; + + /* Allocate only the host info */ + rc = ena_com_allocate_host_info(ena_dev); + if (rc) { + RTE_LOG(ERR, PMD, "Cannot allocate host info\n"); + return; + } + + host_info = ena_dev->host_attr.host_info; + + host_info->os_type = ENA_ADMIN_OS_DPDK; + host_info->kernel_ver = RTE_VERSION; + strncpy((char *)host_info->kernel_ver_str, rte_version(), + strlen(rte_version())); + host_info->os_dist = RTE_VERSION; + strncpy((char *)host_info->os_dist_str, rte_version(), + strlen(rte_version())); + host_info->driver_version = + (DRV_MODULE_VER_MAJOR) | + (DRV_MODULE_VER_MINOR << ENA_ADMIN_HOST_INFO_MINOR_SHIFT) | + (DRV_MODULE_VER_SUBMINOR << + ENA_ADMIN_HOST_INFO_SUB_MINOR_SHIFT); + + rc = ena_com_set_host_attributes(ena_dev); + if (rc) { + if (rc == -EPERM) + RTE_LOG(ERR, PMD, "Cannot set host attributes\n"); + else + RTE_LOG(ERR, PMD, "Cannot set host attributes\n"); + + goto err; + } + + return; + +err: + ena_com_delete_host_info(ena_dev); +} + +static int +ena_get_sset_count(struct rte_eth_dev *dev, int sset) +{ + if (sset != ETH_SS_STATS) + return -EOPNOTSUPP; + + /* Workaround for clang: + * touch internal structures to prevent + * compiler error + */ + ENA_TOUCH(ena_stats_global_strings); + ENA_TOUCH(ena_stats_tx_strings); + ENA_TOUCH(ena_stats_rx_strings); + ENA_TOUCH(ena_stats_ena_com_strings); + + return dev->data->nb_tx_queues * + (ENA_STATS_ARRAY_TX + ENA_STATS_ARRAY_RX) + + ENA_STATS_ARRAY_GLOBAL + ENA_STATS_ARRAY_ENA_COM; +} + +static void ena_config_debug_area(struct ena_adapter *adapter) +{ + u32 debug_area_size; + int rc, ss_count; + + ss_count = ena_get_sset_count(adapter->rte_dev, ETH_SS_STATS); + if (ss_count <= 0) { + RTE_LOG(ERR, PMD, "SS count is negative\n"); + return; + } + + /* allocate 32 bytes for each string and 64bit for the value */ + debug_area_size = ss_count * ETH_GSTRING_LEN + sizeof(u64) * ss_count; + + rc = ena_com_allocate_debug_area(&adapter->ena_dev, debug_area_size); + if (rc) { + RTE_LOG(ERR, PMD, "Cannot allocate debug area\n"); + return; + } + + rc = ena_com_set_host_attributes(&adapter->ena_dev); + if (rc) { + if (rc == -EPERM) + RTE_LOG(WARNING, PMD, "Cannot set host attributes\n"); + else + RTE_LOG(ERR, PMD, "Cannot set host attributes\n"); + goto err; + } + + return; +err: + ena_com_delete_debug_area(&adapter->ena_dev); +} + static void ena_close(struct rte_eth_dev *dev) { struct ena_adapter *adapter = @@ -742,6 +939,10 @@ static int ena_tx_queue_setup(struct rte_eth_dev *dev, __rte_unused unsigned int socket_id, __rte_unused const struct rte_eth_txconf *tx_conf) { + struct ena_com_create_io_ctx ctx = + /* policy set to _HOST just to satisfy icc compiler */ + { ENA_ADMIN_PLACEMENT_POLICY_HOST, + ENA_COM_IO_QUEUE_DIRECTION_TX, 0, 0, 0, 0 }; struct ena_ring *txq = NULL; struct ena_adapter *adapter = (struct ena_adapter *)(dev->data->dev_private); @@ -767,11 +968,15 @@ static int ena_tx_queue_setup(struct rte_eth_dev *dev, } ena_qid = ENA_IO_TXQ_IDX(queue_idx); - rc = ena_com_create_io_queue(ena_dev, ena_qid, - ENA_COM_IO_QUEUE_DIRECTION_TX, - ena_dev->tx_mem_queue_type, - -1 /* admin interrupts is not used */, - nb_desc); + + ctx.direction = ENA_COM_IO_QUEUE_DIRECTION_TX; + ctx.qid = ena_qid; + ctx.msix_vector = -1; /* admin interrupts not used */ + ctx.mem_queue_type = ena_dev->tx_mem_queue_type; + ctx.queue_size = adapter->tx_ring_size; + ctx.numa_node = ena_cpu_to_node(queue_idx); + + rc = ena_com_create_io_queue(ena_dev, &ctx); if (rc) { RTE_LOG(ERR, PMD, "failed to create io TX queue #%d (qid:%d) rc: %d\n", @@ -780,6 +985,17 @@ static int ena_tx_queue_setup(struct rte_eth_dev *dev, txq->ena_com_io_cq = &ena_dev->io_cq_queues[ena_qid]; txq->ena_com_io_sq = &ena_dev->io_sq_queues[ena_qid]; + rc = ena_com_get_io_handlers(ena_dev, ena_qid, + &txq->ena_com_io_sq, + &txq->ena_com_io_cq); + if (rc) { + RTE_LOG(ERR, PMD, + "Failed to get TX queue handlers. TX queue num %d rc: %d\n", + queue_idx, rc); + ena_com_destroy_io_queue(ena_dev, ena_qid); + goto err; + } + txq->port_id = dev->data->port_id; txq->next_to_clean = 0; txq->next_to_use = 0; @@ -808,7 +1024,7 @@ static int ena_tx_queue_setup(struct rte_eth_dev *dev, /* Store pointer to this queue in upper layer */ txq->configured = 1; dev->data->tx_queues[queue_idx] = txq; - +err: return rc; } @@ -819,6 +1035,10 @@ static int ena_rx_queue_setup(struct rte_eth_dev *dev, __rte_unused const struct rte_eth_rxconf *rx_conf, struct rte_mempool *mp) { + struct ena_com_create_io_ctx ctx = + /* policy set to _HOST just to satisfy icc compiler */ + { ENA_ADMIN_PLACEMENT_POLICY_HOST, + ENA_COM_IO_QUEUE_DIRECTION_RX, 0, 0, 0, 0 }; struct ena_adapter *adapter = (struct ena_adapter *)(dev->data->dev_private); struct ena_ring *rxq = NULL; @@ -842,11 +1062,15 @@ static int ena_rx_queue_setup(struct rte_eth_dev *dev, } ena_qid = ENA_IO_RXQ_IDX(queue_idx); - rc = ena_com_create_io_queue(ena_dev, ena_qid, - ENA_COM_IO_QUEUE_DIRECTION_RX, - ENA_ADMIN_PLACEMENT_POLICY_HOST, - -1 /* admin interrupts not used */, - nb_desc); + + ctx.qid = ena_qid; + ctx.direction = ENA_COM_IO_QUEUE_DIRECTION_RX; + ctx.mem_queue_type = ENA_ADMIN_PLACEMENT_POLICY_HOST; + ctx.msix_vector = -1; /* admin interrupts not used */ + ctx.queue_size = adapter->rx_ring_size; + ctx.numa_node = ena_cpu_to_node(queue_idx); + + rc = ena_com_create_io_queue(ena_dev, &ctx); if (rc) RTE_LOG(ERR, PMD, "failed to create io RX queue #%d rc: %d\n", queue_idx, rc); @@ -854,6 +1078,16 @@ static int ena_rx_queue_setup(struct rte_eth_dev *dev, rxq->ena_com_io_cq = &ena_dev->io_cq_queues[ena_qid]; rxq->ena_com_io_sq = &ena_dev->io_sq_queues[ena_qid]; + rc = ena_com_get_io_handlers(ena_dev, ena_qid, + &rxq->ena_com_io_sq, + &rxq->ena_com_io_cq); + if (rc) { + RTE_LOG(ERR, PMD, + "Failed to get RX queue handlers. RX queue num %d rc: %d\n", + queue_idx, rc); + ena_com_destroy_io_queue(ena_dev, ena_qid); + } + rxq->port_id = dev->data->port_id; rxq->next_to_clean = 0; rxq->next_to_use = 0; @@ -920,10 +1154,14 @@ static int ena_populate_rx_queue(struct ena_ring *rxq, unsigned int count) next_to_use = ENA_RX_RING_IDX_NEXT(next_to_use, ring_size); } - rte_wmb(); - rxq->next_to_use = next_to_use; - /* let HW know that it can fill buffers with data */ - ena_com_write_sq_doorbell(rxq->ena_com_io_sq); + /* When we submitted free recources to device... */ + if (i > 0) { + /* ...let HW know that it can fill buffers with data */ + rte_wmb(); + ena_com_write_sq_doorbell(rxq->ena_com_io_sq); + + rxq->next_to_use = next_to_use; + } return i; } @@ -932,6 +1170,7 @@ static int ena_device_init(struct ena_com_dev *ena_dev, struct ena_com_dev_get_features_ctx *get_feat_ctx) { int rc; + bool readless_supported; /* Initialize mmio registers */ rc = ena_com_mmio_reg_read_request_init(ena_dev); @@ -940,6 +1179,14 @@ static int ena_device_init(struct ena_com_dev *ena_dev, return rc; } + /* 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); + ena_com_set_mmio_read_mode(ena_dev, readless_supported); + /* reset device */ rc = ena_com_dev_reset(ena_dev); if (rc) { @@ -964,6 +1211,8 @@ static int ena_device_init(struct ena_com_dev *ena_dev, goto err_mmio_read_less; } + ena_config_host_info(ena_dev); + /* To enable the msix interrupts the driver needs to know the number * of queues. So the driver uses polling mode to retrieve this * information. @@ -1077,6 +1326,8 @@ static int eth_ena_dev_init(struct rte_eth_dev *eth_dev) /* prepare ring structures */ ena_init_rings(adapter); + ena_config_debug_area(adapter); + /* Set max MTU for this device */ adapter->max_mtu = get_feat_ctx.dev_attr.max_mtu; @@ -1316,7 +1567,7 @@ static uint16_t eth_ena_xmit_pkts(void *tx_queue, struct rte_mbuf **tx_pkts, struct ena_tx_buffer *tx_info; struct ena_com_buf *ebuf; uint16_t rc, req_id, total_tx_descs = 0; - int sent_idx = 0; + uint16_t sent_idx = 0; int nb_hw_desc; /* Check adapter state */ @@ -1395,9 +1646,14 @@ static uint16_t eth_ena_xmit_pkts(void *tx_queue, struct rte_mbuf **tx_pkts, next_to_use = ENA_TX_RING_IDX_NEXT(next_to_use, ring_size); } - /* Let HW do it's best :-) */ - rte_wmb(); - ena_com_write_sq_doorbell(tx_ring->ena_com_io_sq); + /* If there are ready packets to be xmitted... */ + if (sent_idx > 0) { + /* ...let HW do its best :-) */ + rte_wmb(); + ena_com_write_sq_doorbell(tx_ring->ena_com_io_sq); + + tx_ring->next_to_use = next_to_use; + } /* Clear complete packets */ while (ena_com_tx_comp_req_id_get(tx_ring->ena_com_io_cq, &req_id) >= 0) { @@ -1420,9 +1676,11 @@ static uint16_t eth_ena_xmit_pkts(void *tx_queue, struct rte_mbuf **tx_pkts, break; } - /* acknowledge completion of sent packets */ - ena_com_comp_ack(tx_ring->ena_com_io_sq, total_tx_descs); - tx_ring->next_to_use = next_to_use; + if (total_tx_descs > 0) { + /* acknowledge completion of sent packets */ + ena_com_comp_ack(tx_ring->ena_com_io_sq, total_tx_descs); + } + return sent_idx; } @@ -1445,9 +1703,9 @@ rte_ena_pmd_init(const char *name __rte_unused, }; struct rte_driver ena_pmd_drv = { - .name = "ena_driver", .type = PMD_PDEV, .init = rte_ena_pmd_init, }; -PMD_REGISTER_DRIVER(ena_pmd_drv); +PMD_REGISTER_DRIVER(ena_pmd_drv, ena); +DRIVER_REGISTER_PCI_TABLE(ena, pci_id_ena_map); |