diff options
Diffstat (limited to 'drivers/net/ethernet/amazon/ena/ena_ethtool.c')
| -rw-r--r-- | drivers/net/ethernet/amazon/ena/ena_ethtool.c | 302 |
1 files changed, 208 insertions, 94 deletions
diff --git a/drivers/net/ethernet/amazon/ena/ena_ethtool.c b/drivers/net/ethernet/amazon/ena/ena_ethtool.c index d671df4b76bc..fe3479b84a1f 100644 --- a/drivers/net/ethernet/amazon/ena/ena_ethtool.c +++ b/drivers/net/ethernet/amazon/ena/ena_ethtool.c @@ -5,14 +5,21 @@ #include <linux/ethtool.h> #include <linux/pci.h> +#include <linux/net_tstamp.h> #include "ena_netdev.h" +#include "ena_xdp.h" +#include "ena_phc.h" struct ena_stats { char name[ETH_GSTRING_LEN]; 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) \ @@ -40,6 +47,18 @@ 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), @@ -48,8 +67,12 @@ 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), @@ -58,6 +81,23 @@ 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), @@ -110,7 +150,9 @@ 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) @@ -123,6 +165,57 @@ 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; @@ -177,7 +270,7 @@ 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; @@ -191,17 +284,8 @@ 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); @@ -212,9 +296,20 @@ 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_ts_info(struct net_device *netdev, + struct kernel_ethtool_ts_info *info) +{ + struct ena_adapter *adapter = netdev_priv(netdev); + + info->so_timestamping = SOF_TIMESTAMPING_TX_SOFTWARE; + + info->phc_index = ena_phc_get_index(adapter); + + return 0; } static int ena_get_sw_stats_count(struct ena_adapter *adapter) @@ -226,9 +321,17 @@ 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) @@ -244,6 +347,35 @@ 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; @@ -262,17 +394,14 @@ static void ena_queue_strings(struct ena_adapter *adapter, u8 **data) ena_stats->name); } - if (!is_xdp) { - /* RX stats, in XDP there isn't a RX queue - * counterpart - */ - for (j = 0; j < ENA_STATS_ARRAY_RX; j++) { - ena_stats = &ena_stats_rx_strings[j]; + /* In XDP there isn't an RX queue counterpart */ + if (is_xdp) + continue; - ethtool_sprintf(data, - "queue_%u_rx_%s", i, - ena_stats->name); - } + for (j = 0; j < ENA_STATS_ARRAY_RX; j++) { + ena_stats = &ena_stats_rx_strings[j]; + + ethtool_sprintf(data, "queue_%u_rx_%s", i, ena_stats->name); } } } @@ -292,22 +421,18 @@ 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; for (i = 0; i < ENA_STATS_ARRAY_GLOBAL; i++) { ena_stats = &ena_stats_global_strings[i]; - ethtool_sprintf(&data, ena_stats->name); + 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_sprintf(&data, ena_stats->name); - } - } + if (hw_stats_needed) + ena_metrics_stats_strings(adapter, &data); ena_queue_strings(adapter, &data); ena_com_dev_strings(&data); @@ -318,11 +443,10 @@ 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; } } @@ -461,10 +585,18 @@ 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, @@ -603,9 +735,11 @@ static u16 ena_flow_data_to_flow_hash(u32 hash_fields) return data; } -static int ena_get_rss_hash(struct ena_com_dev *ena_dev, - struct ethtool_rxnfc *cmd) +static int ena_get_rxfh_fields(struct net_device *netdev, + struct ethtool_rxfh_fields *cmd) { + struct ena_adapter *adapter = netdev_priv(netdev); + struct ena_com_dev *ena_dev = adapter->ena_dev; enum ena_admin_flow_hash_proto proto; u16 hash_fields; int rc; @@ -654,9 +788,12 @@ static int ena_get_rss_hash(struct ena_com_dev *ena_dev, return 0; } -static int ena_set_rss_hash(struct ena_com_dev *ena_dev, - struct ethtool_rxnfc *cmd) +static int ena_set_rxfh_fields(struct net_device *netdev, + const struct ethtool_rxfh_fields *cmd, + struct netlink_ext_ack *extack) { + struct ena_adapter *adapter = netdev_priv(netdev); + struct ena_com_dev *ena_dev = adapter->ena_dev; enum ena_admin_flow_hash_proto proto; u16 hash_fields; @@ -698,26 +835,6 @@ static int ena_set_rss_hash(struct ena_com_dev *ena_dev, return ena_com_fill_hash_ctrl(ena_dev, proto, hash_fields); } -static int ena_set_rxnfc(struct net_device *netdev, struct ethtool_rxnfc *info) -{ - struct ena_adapter *adapter = netdev_priv(netdev); - int rc = 0; - - switch (info->cmd) { - case ETHTOOL_SRXFH: - rc = ena_set_rss_hash(adapter->ena_dev, info); - break; - case ETHTOOL_SRXCLSRLDEL: - case ETHTOOL_SRXCLSRLINS: - default: - netif_err(adapter, drv, netdev, - "Command parameter %d is not supported\n", info->cmd); - rc = -EOPNOTSUPP; - } - - return rc; -} - static int ena_get_rxnfc(struct net_device *netdev, struct ethtool_rxnfc *info, u32 *rules) { @@ -729,9 +846,6 @@ static int ena_get_rxnfc(struct net_device *netdev, struct ethtool_rxnfc *info, info->data = adapter->num_io_queues; rc = 0; break; - case ETHTOOL_GRXFH: - rc = ena_get_rss_hash(adapter->ena_dev, info); - break; case ETHTOOL_GRXCLSRLCNT: case ETHTOOL_GRXCLSRULE: case ETHTOOL_GRXCLSRLALL: @@ -751,7 +865,10 @@ static u32 ena_get_rxfh_indir_size(struct net_device *netdev) static u32 ena_get_rxfh_key_size(struct net_device *netdev) { - return ENA_HASH_KEY_SIZE; + struct ena_adapter *adapter = netdev_priv(netdev); + struct ena_rss *rss = &adapter->ena_dev->rss; + + return rss->hash_key ? ENA_HASH_KEY_SIZE : 0; } static int ena_indirection_table_set(struct ena_adapter *adapter, @@ -802,15 +919,15 @@ static int ena_indirection_table_get(struct ena_adapter *adapter, u32 *indir) return rc; } -static int ena_get_rxfh(struct net_device *netdev, u32 *indir, u8 *key, - u8 *hfunc) +static int ena_get_rxfh(struct net_device *netdev, + struct ethtool_rxfh_param *rxfh) { struct ena_adapter *adapter = netdev_priv(netdev); enum ena_admin_hash_functions ena_func; u8 func; int rc; - rc = ena_indirection_table_get(adapter, indir); + rc = ena_indirection_table_get(adapter, rxfh->indir); if (rc) return rc; @@ -825,7 +942,7 @@ static int ena_get_rxfh(struct net_device *netdev, u32 *indir, u8 *key, return rc; } - rc = ena_com_get_hash_key(adapter->ena_dev, key); + rc = ena_com_get_hash_key(adapter->ena_dev, rxfh->key); if (rc) return rc; @@ -842,27 +959,27 @@ static int ena_get_rxfh(struct net_device *netdev, u32 *indir, u8 *key, return -EOPNOTSUPP; } - if (hfunc) - *hfunc = func; + rxfh->hfunc = func; return 0; } -static int ena_set_rxfh(struct net_device *netdev, const u32 *indir, - const u8 *key, const u8 hfunc) +static int ena_set_rxfh(struct net_device *netdev, + struct ethtool_rxfh_param *rxfh, + struct netlink_ext_ack *extack) { struct ena_adapter *adapter = netdev_priv(netdev); struct ena_com_dev *ena_dev = adapter->ena_dev; enum ena_admin_hash_functions func = 0; int rc; - if (indir) { - rc = ena_indirection_table_set(adapter, indir); + if (rxfh->indir) { + rc = ena_indirection_table_set(adapter, rxfh->indir); if (rc) return rc; } - switch (hfunc) { + switch (rxfh->hfunc) { case ETH_RSS_HASH_NO_CHANGE: func = ena_com_get_current_hash_function(ena_dev); break; @@ -874,12 +991,12 @@ static int ena_set_rxfh(struct net_device *netdev, const u32 *indir, break; default: netif_err(adapter, drv, netdev, "Unsupported hfunc %d\n", - hfunc); + rxfh->hfunc); return -EOPNOTSUPP; } - if (key || func) { - rc = ena_com_fill_hash_function(ena_dev, func, key, + if (rxfh->key || func) { + rc = ena_com_fill_hash_function(ena_dev, func, rxfh->key, ENA_HASH_KEY_SIZE, 0xFFFFFFFF); if (unlikely(rc)) { @@ -980,16 +1097,17 @@ static const struct ethtool_ops ena_ethtool_ops = { .get_strings = ena_get_ethtool_strings, .get_ethtool_stats = ena_get_ethtool_stats, .get_rxnfc = ena_get_rxnfc, - .set_rxnfc = ena_set_rxnfc, .get_rxfh_indir_size = ena_get_rxfh_indir_size, .get_rxfh_key_size = ena_get_rxfh_key_size, .get_rxfh = ena_get_rxfh, .set_rxfh = ena_set_rxfh, + .get_rxfh_fields = ena_get_rxfh_fields, + .set_rxfh_fields = ena_set_rxfh_fields, .get_channels = ena_get_channels, .set_channels = ena_set_channels, .get_tunable = ena_get_tunable, .set_tunable = ena_set_tunable, - .get_ts_info = ethtool_op_get_ts_info, + .get_ts_info = ena_get_ts_info, }; void ena_set_ethtool_ops(struct net_device *netdev) @@ -1011,22 +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; } @@ -1048,8 +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) |