From: Jan Medala Date: Thu, 30 Jun 2016 15:04:55 +0000 (+0200) Subject: net/ena: add dedicated memory area for extra device info X-Git-Url: http://git.droids-corp.org/?a=commitdiff_plain;h=372c1af5ed8f;p=dpdk.git net/ena: add dedicated memory area for extra device info Increase maintenance and debug potentiality with dedicated areas of memory where additional information can be stored by the ENA device. Signed-off-by: Alexander Matushevsky Signed-off-by: Jakub Palider Signed-off-by: Jan Medala --- diff --git a/drivers/net/ena/ena_ethdev.c b/drivers/net/ena/ena_ethdev.c index aa7fb6d2bb..e2716b5a4b 100644 --- a/drivers/net/ena/ena_ethdev.c +++ b/drivers/net/ena/ena_ethdev.c @@ -37,6 +37,7 @@ #include #include #include +#include #include "ena_ethdev.h" #include "ena_logs.h" @@ -49,6 +50,10 @@ #include #include +#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 +77,89 @@ #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 @@ -81,7 +169,6 @@ 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}, @@ -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, @@ -226,6 +314,102 @@ 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 = @@ -999,6 +1183,8 @@ 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. @@ -1112,6 +1298,8 @@ 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; diff --git a/drivers/net/ena/ena_ethdev.h b/drivers/net/ena/ena_ethdev.h index aca853c17e..ab9667f09f 100644 --- a/drivers/net/ena/ena_ethdev.h +++ b/drivers/net/ena/ena_ethdev.h @@ -124,6 +124,43 @@ struct ena_driver_stats { rte_atomic64_t rx_nombuf; }; +struct ena_stats_dev { + u64 tx_timeout; + u64 io_suspend; + u64 io_resume; + u64 wd_expired; + u64 interface_up; + u64 interface_down; + u64 admin_q_pause; +}; + +struct ena_stats_tx { + u64 cnt; + u64 bytes; + u64 queue_stop; + u64 prepare_ctx_err; + u64 queue_wakeup; + u64 dma_mapping_err; + u64 linearize; + u64 linearize_failed; + u64 tx_poll; + u64 doorbells; + u64 missing_tx_comp; + u64 bad_req_id; +}; + +struct ena_stats_rx { + u64 cnt; + u64 bytes; + u64 refil_partial; + u64 bad_csum; + u64 page_alloc_fail; + u64 skb_alloc_fail; + u64 dma_mapping_err; + u64 bad_desc_num; + u64 small_copy_len_pkt; +}; + /* board specific private data structure */ struct ena_adapter { /* OS defined structs */