diff options
Diffstat (limited to 'drivers/net/ethernet/amazon/ena/ena_ethtool.c')
| -rw-r--r-- | drivers/net/ethernet/amazon/ena/ena_ethtool.c | 194 |
1 files changed, 155 insertions, 39 deletions
diff --git a/drivers/net/ethernet/amazon/ena/ena_ethtool.c b/drivers/net/ethernet/amazon/ena/ena_ethtool.c index 0cb6cc1cef56..a3c934c3de71 100644 --- a/drivers/net/ethernet/amazon/ena/ena_ethtool.c +++ b/drivers/net/ethernet/amazon/ena/ena_ethtool.c @@ -14,6 +14,10 @@ struct ena_stats { int stat_offset; }; +struct ena_hw_metrics { + char name[ETH_GSTRING_LEN]; +}; + #define ENA_STAT_ENA_COM_ENTRY(stat) { \ .name = #stat, \ .stat_offset = offsetof(struct ena_com_stats_admin, stat) / sizeof(u64) \ @@ -41,6 +45,18 @@ struct ena_stats { #define ENA_STAT_ENI_ENTRY(stat) \ ENA_STAT_HW_ENTRY(stat, eni_stats) +#define ENA_STAT_ENA_SRD_ENTRY(stat) \ + ENA_STAT_HW_ENTRY(stat, ena_srd_stats) + +#define ENA_STAT_ENA_SRD_MODE_ENTRY(stat) { \ + .name = #stat, \ + .stat_offset = offsetof(struct ena_admin_ena_srd_info, flags) / sizeof(u64) \ +} + +#define ENA_METRIC_ENI_ENTRY(stat) { \ + .name = #stat \ +} + static const struct ena_stats ena_stats_global_strings[] = { ENA_STAT_GLOBAL_ENTRY(tx_timeout), ENA_STAT_GLOBAL_ENTRY(suspend), @@ -49,8 +65,12 @@ static const struct ena_stats ena_stats_global_strings[] = { ENA_STAT_GLOBAL_ENTRY(interface_up), ENA_STAT_GLOBAL_ENTRY(interface_down), ENA_STAT_GLOBAL_ENTRY(admin_q_pause), + ENA_STAT_GLOBAL_ENTRY(reset_fail), }; +/* A partial list of hw stats. Used when admin command + * with type ENA_ADMIN_GET_STATS_TYPE_CUSTOMER_METRICS is not supported + */ static const struct ena_stats ena_stats_eni_strings[] = { ENA_STAT_ENI_ENTRY(bw_in_allowance_exceeded), ENA_STAT_ENI_ENTRY(bw_out_allowance_exceeded), @@ -59,6 +79,23 @@ static const struct ena_stats ena_stats_eni_strings[] = { ENA_STAT_ENI_ENTRY(linklocal_allowance_exceeded), }; +static const struct ena_hw_metrics ena_hw_stats_strings[] = { + ENA_METRIC_ENI_ENTRY(bw_in_allowance_exceeded), + ENA_METRIC_ENI_ENTRY(bw_out_allowance_exceeded), + ENA_METRIC_ENI_ENTRY(pps_allowance_exceeded), + ENA_METRIC_ENI_ENTRY(conntrack_allowance_exceeded), + ENA_METRIC_ENI_ENTRY(linklocal_allowance_exceeded), + ENA_METRIC_ENI_ENTRY(conntrack_allowance_available), +}; + +static const struct ena_stats ena_srd_info_strings[] = { + ENA_STAT_ENA_SRD_MODE_ENTRY(ena_srd_mode), + ENA_STAT_ENA_SRD_ENTRY(ena_srd_tx_pkts), + ENA_STAT_ENA_SRD_ENTRY(ena_srd_eligible_tx_pkts), + ENA_STAT_ENA_SRD_ENTRY(ena_srd_rx_pkts), + ENA_STAT_ENA_SRD_ENTRY(ena_srd_resource_utilization) +}; + static const struct ena_stats ena_stats_tx_strings[] = { ENA_STAT_TX_ENTRY(cnt), ENA_STAT_TX_ENTRY(bytes), @@ -111,7 +148,9 @@ static const struct ena_stats ena_stats_ena_com_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) -#define ENA_STATS_ARRAY_ENI(adapter) ARRAY_SIZE(ena_stats_eni_strings) +#define ENA_STATS_ARRAY_ENI ARRAY_SIZE(ena_stats_eni_strings) +#define ENA_STATS_ARRAY_ENA_SRD ARRAY_SIZE(ena_srd_info_strings) +#define ENA_METRICS_ARRAY_ENI ARRAY_SIZE(ena_hw_stats_strings) static void ena_safe_update_stat(u64 *src, u64 *dst, struct u64_stats_sync *syncp) @@ -124,6 +163,57 @@ static void ena_safe_update_stat(u64 *src, u64 *dst, } while (u64_stats_fetch_retry(syncp, start)); } +static void ena_metrics_stats(struct ena_adapter *adapter, u64 **data) +{ + struct ena_com_dev *dev = adapter->ena_dev; + const struct ena_stats *ena_stats; + u64 *ptr; + int i; + + if (ena_com_get_cap(dev, ENA_ADMIN_CUSTOMER_METRICS)) { + u32 supported_metrics_count; + int len; + + supported_metrics_count = ena_com_get_customer_metric_count(dev); + len = supported_metrics_count * sizeof(u64); + + /* Fill the data buffer, and advance its pointer */ + ena_com_get_customer_metrics(dev, (char *)(*data), len); + (*data) += supported_metrics_count; + + } else if (ena_com_get_cap(dev, ENA_ADMIN_ENI_STATS)) { + ena_com_get_eni_stats(dev, &adapter->eni_stats); + /* Updating regardless of rc - once we told ethtool how many stats we have + * it will print that much stats. We can't leave holes in the stats + */ + for (i = 0; i < ENA_STATS_ARRAY_ENI; i++) { + ena_stats = &ena_stats_eni_strings[i]; + + ptr = (u64 *)&adapter->eni_stats + + ena_stats->stat_offset; + + ena_safe_update_stat(ptr, (*data)++, &adapter->syncp); + } + } + + if (ena_com_get_cap(dev, ENA_ADMIN_ENA_SRD_INFO)) { + ena_com_get_ena_srd_info(dev, &adapter->ena_srd_info); + /* Get ENA SRD mode */ + ptr = (u64 *)&adapter->ena_srd_info; + ena_safe_update_stat(ptr, (*data)++, &adapter->syncp); + for (i = 1; i < ENA_STATS_ARRAY_ENA_SRD; i++) { + ena_stats = &ena_srd_info_strings[i]; + /* Wrapped within an outer struct - need to accommodate an + * additional offset of the ENA SRD mode that was already processed + */ + ptr = (u64 *)&adapter->ena_srd_info + + ena_stats->stat_offset + 1; + + ena_safe_update_stat(ptr, (*data)++, &adapter->syncp); + } + } +} + static void ena_queue_stats(struct ena_adapter *adapter, u64 **data) { const struct ena_stats *ena_stats; @@ -178,7 +268,7 @@ static void ena_dev_admin_queue_stats(struct ena_adapter *adapter, u64 **data) static void ena_get_stats(struct ena_adapter *adapter, u64 *data, - bool eni_stats_needed) + bool hw_stats_needed) { const struct ena_stats *ena_stats; u64 *ptr; @@ -192,17 +282,8 @@ static void ena_get_stats(struct ena_adapter *adapter, ena_safe_update_stat(ptr, data++, &adapter->syncp); } - if (eni_stats_needed) { - ena_update_hw_stats(adapter); - for (i = 0; i < ENA_STATS_ARRAY_ENI(adapter); i++) { - ena_stats = &ena_stats_eni_strings[i]; - - ptr = (u64 *)&adapter->eni_stats + - ena_stats->stat_offset; - - ena_safe_update_stat(ptr, data++, &adapter->syncp); - } - } + if (hw_stats_needed) + ena_metrics_stats(adapter, &data); ena_queue_stats(adapter, &data); ena_dev_admin_queue_stats(adapter, &data); @@ -213,9 +294,8 @@ static void ena_get_ethtool_stats(struct net_device *netdev, u64 *data) { struct ena_adapter *adapter = netdev_priv(netdev); - struct ena_com_dev *dev = adapter->ena_dev; - ena_get_stats(adapter, data, ena_com_get_cap(dev, ENA_ADMIN_ENI_STATS)); + ena_get_stats(adapter, data, true); } static int ena_get_sw_stats_count(struct ena_adapter *adapter) @@ -227,9 +307,17 @@ static int ena_get_sw_stats_count(struct ena_adapter *adapter) static int ena_get_hw_stats_count(struct ena_adapter *adapter) { - bool supported = ena_com_get_cap(adapter->ena_dev, ENA_ADMIN_ENI_STATS); + struct ena_com_dev *dev = adapter->ena_dev; + int count; + + count = ENA_STATS_ARRAY_ENA_SRD * ena_com_get_cap(dev, ENA_ADMIN_ENA_SRD_INFO); + + if (ena_com_get_cap(dev, ENA_ADMIN_CUSTOMER_METRICS)) + count += ena_com_get_customer_metric_count(dev); + else if (ena_com_get_cap(dev, ENA_ADMIN_ENI_STATS)) + count += ENA_STATS_ARRAY_ENI; - return ENA_STATS_ARRAY_ENI(adapter) * supported; + return count; } int ena_get_sset_count(struct net_device *netdev, int sset) @@ -245,6 +333,35 @@ int ena_get_sset_count(struct net_device *netdev, int sset) return -EOPNOTSUPP; } +static void ena_metrics_stats_strings(struct ena_adapter *adapter, u8 **data) +{ + struct ena_com_dev *dev = adapter->ena_dev; + const struct ena_hw_metrics *ena_metrics; + const struct ena_stats *ena_stats; + int i; + + if (ena_com_get_cap(dev, ENA_ADMIN_CUSTOMER_METRICS)) { + for (i = 0; i < ENA_METRICS_ARRAY_ENI; i++) { + if (ena_com_get_customer_metric_support(dev, i)) { + ena_metrics = &ena_hw_stats_strings[i]; + ethtool_puts(data, ena_metrics->name); + } + } + } else if (ena_com_get_cap(dev, ENA_ADMIN_ENI_STATS)) { + for (i = 0; i < ENA_STATS_ARRAY_ENI; i++) { + ena_stats = &ena_stats_eni_strings[i]; + ethtool_puts(data, ena_stats->name); + } + } + + if (ena_com_get_cap(dev, ENA_ADMIN_ENA_SRD_INFO)) { + for (i = 0; i < ENA_STATS_ARRAY_ENA_SRD; i++) { + ena_stats = &ena_srd_info_strings[i]; + ethtool_puts(data, ena_stats->name); + } + } +} + static void ena_queue_strings(struct ena_adapter *adapter, u8 **data) { const struct ena_stats *ena_stats; @@ -290,7 +407,7 @@ static void ena_com_dev_strings(u8 **data) static void ena_get_strings(struct ena_adapter *adapter, u8 *data, - bool eni_stats_needed) + bool hw_stats_needed) { const struct ena_stats *ena_stats; int i; @@ -300,12 +417,8 @@ static void ena_get_strings(struct ena_adapter *adapter, ethtool_puts(&data, ena_stats->name); } - if (eni_stats_needed) { - for (i = 0; i < ENA_STATS_ARRAY_ENI(adapter); i++) { - ena_stats = &ena_stats_eni_strings[i]; - ethtool_puts(&data, ena_stats->name); - } - } + if (hw_stats_needed) + ena_metrics_stats_strings(adapter, &data); ena_queue_strings(adapter, &data); ena_com_dev_strings(&data); @@ -316,11 +429,10 @@ static void ena_get_ethtool_strings(struct net_device *netdev, u8 *data) { struct ena_adapter *adapter = netdev_priv(netdev); - struct ena_com_dev *dev = adapter->ena_dev; switch (sset) { case ETH_SS_STATS: - ena_get_strings(adapter, data, ena_com_get_cap(dev, ENA_ADMIN_ENI_STATS)); + ena_get_strings(adapter, data, true); break; } } @@ -459,10 +571,18 @@ static void ena_get_drvinfo(struct net_device *dev, struct ethtool_drvinfo *info) { struct ena_adapter *adapter = netdev_priv(dev); - - strscpy(info->driver, DRV_MODULE_NAME, sizeof(info->driver)); - strscpy(info->bus_info, pci_name(adapter->pdev), - sizeof(info->bus_info)); + ssize_t ret = 0; + + ret = strscpy(info->driver, DRV_MODULE_NAME, sizeof(info->driver)); + if (ret < 0) + netif_dbg(adapter, drv, dev, + "module name will be truncated, status = %zd\n", ret); + + ret = strscpy(info->bus_info, pci_name(adapter->pdev), + sizeof(info->bus_info)); + if (ret < 0) + netif_dbg(adapter, drv, dev, + "bus info will be truncated, status = %zd\n", ret); } static void ena_get_ringparam(struct net_device *netdev, @@ -1009,22 +1129,18 @@ static void ena_dump_stats_ex(struct ena_adapter *adapter, u8 *buf) return; } - strings_buf = devm_kcalloc(&adapter->pdev->dev, - ETH_GSTRING_LEN, strings_num, - GFP_ATOMIC); + strings_buf = kcalloc(strings_num, ETH_GSTRING_LEN, GFP_ATOMIC); if (!strings_buf) { netif_err(adapter, drv, netdev, "Failed to allocate strings_buf\n"); return; } - data_buf = devm_kcalloc(&adapter->pdev->dev, - strings_num, sizeof(u64), - GFP_ATOMIC); + data_buf = kcalloc(strings_num, sizeof(u64), GFP_ATOMIC); if (!data_buf) { netif_err(adapter, drv, netdev, "Failed to allocate data buf\n"); - devm_kfree(&adapter->pdev->dev, strings_buf); + kfree(strings_buf); return; } @@ -1046,8 +1162,8 @@ static void ena_dump_stats_ex(struct ena_adapter *adapter, u8 *buf) strings_buf + i * ETH_GSTRING_LEN, data_buf[i]); - devm_kfree(&adapter->pdev->dev, strings_buf); - devm_kfree(&adapter->pdev->dev, data_buf); + kfree(strings_buf); + kfree(data_buf); } void ena_dump_stats_to_buf(struct ena_adapter *adapter, u8 *buf) |