@@ -117,6 +117,8 @@ enum ena_admin_completion_policy_type {
enum ena_admin_get_stats_type {
ENA_ADMIN_GET_STATS_TYPE_BASIC = 0,
ENA_ADMIN_GET_STATS_TYPE_EXTENDED = 1,
+ /* extra HW stats for specific network interface */
+ ENA_ADMIN_GET_STATS_TYPE_ENI = 2,
};
enum ena_admin_get_stats_scope {
@@ -410,10 +412,43 @@ struct ena_admin_basic_stats {
u32 tx_drops_high;
};
+/* ENI Statistics Command. */
+struct ena_admin_eni_stats {
+ /* The number of packets shaped due to inbound aggregate BW
+ * allowance being exceeded
+ */
+ u64 bw_in_allowance_exceeded;
+
+ /* The number of packets shaped due to outbound aggregate BW
+ * allowance being exceeded
+ */
+ u64 bw_out_allowance_exceeded;
+
+ /* The number of packets shaped due to PPS allowance being exceeded */
+ u64 pps_allowance_exceeded;
+
+ /* The number of packets shaped due to connection tracking
+ * allowance being exceeded and leading to failure in establishment
+ * of new connections
+ */
+ u64 conntrack_allowance_exceeded;
+
+ /* The number of packets shaped due to linklocal packet rate
+ * allowance being exceeded
+ */
+ u64 linklocal_allowance_exceeded;
+};
+
struct ena_admin_acq_get_stats_resp {
struct ena_admin_acq_common_desc acq_common_desc;
- struct ena_admin_basic_stats basic_stats;
+ union {
+ u64 raw[7];
+
+ struct ena_admin_basic_stats basic_stats;
+
+ struct ena_admin_eni_stats eni_stats;
+ } u;
};
struct ena_admin_get_set_feature_common_desc {
@@ -2167,6 +2167,21 @@ static int ena_get_dev_stats(struct ena_com_dev *ena_dev,
return ret;
}
+int ena_com_get_eni_stats(struct ena_com_dev *ena_dev,
+ struct ena_admin_eni_stats *stats)
+{
+ struct ena_com_stats_ctx ctx;
+ int ret;
+
+ memset(&ctx, 0x0, sizeof(ctx));
+ ret = ena_get_dev_stats(ena_dev, &ctx, ENA_ADMIN_GET_STATS_TYPE_ENI);
+ if (likely(ret == 0))
+ memcpy(stats, &ctx.get_resp.u.eni_stats,
+ sizeof(ctx.get_resp.u.eni_stats));
+
+ return ret;
+}
+
int ena_com_get_dev_basic_stats(struct ena_com_dev *ena_dev,
struct ena_admin_basic_stats *stats)
{
@@ -2176,8 +2191,8 @@ int ena_com_get_dev_basic_stats(struct ena_com_dev *ena_dev,
memset(&ctx, 0x0, sizeof(ctx));
ret = ena_get_dev_stats(ena_dev, &ctx, ENA_ADMIN_GET_STATS_TYPE_BASIC);
if (likely(ret == 0))
- memcpy(stats, &ctx.get_resp.basic_stats,
- sizeof(ctx.get_resp.basic_stats));
+ memcpy(stats, &ctx.get_resp.u.basic_stats,
+ sizeof(ctx.get_resp.u.basic_stats));
return ret;
}
@@ -616,6 +616,15 @@ int ena_com_get_dev_attr_feat(struct ena_com_dev *ena_dev,
int ena_com_get_dev_basic_stats(struct ena_com_dev *ena_dev,
struct ena_admin_basic_stats *stats);
+/* ena_com_get_eni_stats - Get extended network interface statistics
+ * @ena_dev: ENA communication layer struct
+ * @stats: stats return value
+ *
+ * @return: 0 on Success and negative value otherwise.
+ */
+int ena_com_get_eni_stats(struct ena_com_dev *ena_dev,
+ struct ena_admin_eni_stats *stats);
+
/* ena_com_set_dev_mtu - Configure the device mtu.
* @ena_dev: ENA communication layer struct
* @mtu: mtu value
@@ -49,6 +49,11 @@ struct ena_stats {
.stat_offset = offsetof(struct ena_stats_##stat_type, stat) \
}
+#define ENA_STAT_HW_ENTRY(stat, stat_type) { \
+ .name = #stat, \
+ .stat_offset = offsetof(struct ena_admin_##stat_type, stat) \
+}
+
#define ENA_STAT_RX_ENTRY(stat) \
ENA_STAT_ENTRY(stat, rx)
@@ -58,6 +63,9 @@ struct ena_stats {
#define ENA_STAT_GLOBAL_ENTRY(stat) \
ENA_STAT_ENTRY(stat, dev)
+#define ENA_STAT_ENI_ENTRY(stat) \
+ ENA_STAT_HW_ENTRY(stat, eni_stats)
+
static const struct ena_stats ena_stats_global_strings[] = {
ENA_STAT_GLOBAL_ENTRY(tx_timeout),
ENA_STAT_GLOBAL_ENTRY(suspend),
@@ -68,6 +76,14 @@ static const struct ena_stats ena_stats_global_strings[] = {
ENA_STAT_GLOBAL_ENTRY(admin_q_pause),
};
+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),
+ ENA_STAT_ENI_ENTRY(pps_allowance_exceeded),
+ ENA_STAT_ENI_ENTRY(conntrack_allowance_exceeded),
+ ENA_STAT_ENI_ENTRY(linklocal_allowance_exceeded),
+};
+
static const struct ena_stats ena_stats_tx_strings[] = {
ENA_STAT_TX_ENTRY(cnt),
ENA_STAT_TX_ENTRY(bytes),
@@ -110,10 +126,12 @@ static const struct ena_stats ena_stats_ena_com_strings[] = {
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)
+#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)
+#define ENA_STATS_ARRAY_ENI(adapter) \
+ (ARRAY_SIZE(ena_stats_eni_strings) * (adapter)->eni_stats_supported)
static void ena_safe_update_stat(u64 *src, u64 *dst,
struct u64_stats_sync *syncp)
@@ -177,11 +195,10 @@ static void ena_dev_admin_queue_stats(struct ena_adapter *adapter, u64 **data)
}
}
-static void ena_get_ethtool_stats(struct net_device *netdev,
- struct ethtool_stats *stats,
- u64 *data)
+static void ena_get_stats(struct ena_adapter *adapter,
+ u64 *data,
+ bool eni_stats_needed)
{
- struct ena_adapter *adapter = netdev_priv(netdev);
const struct ena_stats *ena_stats;
u64 *ptr;
int i;
@@ -195,10 +212,42 @@ static void ena_get_ethtool_stats(struct net_device *netdev,
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 *)((unsigned long)&adapter->eni_stats +
+ ena_stats->stat_offset);
+
+ ena_safe_update_stat(ptr, data++, &adapter->syncp);
+ }
+ }
+
ena_queue_stats(adapter, &data);
ena_dev_admin_queue_stats(adapter, &data);
}
+static void ena_get_ethtool_stats(struct net_device *netdev,
+ struct ethtool_stats *stats,
+ u64 *data)
+{
+ struct ena_adapter *adapter = netdev_priv(netdev);
+
+ ena_get_stats(adapter, data, adapter->eni_stats_supported);
+}
+
+static int ena_get_sw_stats_count(struct ena_adapter *adapter)
+{
+ return adapter->num_io_queues * (ENA_STATS_ARRAY_TX + ENA_STATS_ARRAY_RX)
+ + ENA_STATS_ARRAY_GLOBAL + ENA_STATS_ARRAY_ENA_COM;
+}
+
+static int ena_get_hw_stats_count(struct ena_adapter *adapter)
+{
+ return ENA_STATS_ARRAY_ENI(adapter);
+}
+
int ena_get_sset_count(struct net_device *netdev, int sset)
{
struct ena_adapter *adapter = netdev_priv(netdev);
@@ -206,8 +255,7 @@ int ena_get_sset_count(struct net_device *netdev, int sset)
if (sset != ETH_SS_STATS)
return -EOPNOTSUPP;
- return adapter->num_io_queues * (ENA_STATS_ARRAY_TX + ENA_STATS_ARRAY_RX)
- + ENA_STATS_ARRAY_GLOBAL + ENA_STATS_ARRAY_ENA_COM;
+ return ena_get_sw_stats_count(adapter) + ena_get_hw_stats_count(adapter);
}
static void ena_queue_strings(struct ena_adapter *adapter, u8 **data)
@@ -249,25 +297,43 @@ static void ena_com_dev_strings(u8 **data)
}
}
-static void ena_get_strings(struct net_device *netdev, u32 sset, u8 *data)
+static void ena_get_strings(struct ena_adapter *adapter,
+ u8 *data,
+ bool eni_stats_needed)
{
- struct ena_adapter *adapter = netdev_priv(netdev);
const struct ena_stats *ena_stats;
int i;
- if (sset != ETH_SS_STATS)
- return;
-
for (i = 0; i < ENA_STATS_ARRAY_GLOBAL; i++) {
ena_stats = &ena_stats_global_strings[i];
memcpy(data, ena_stats->name, ETH_GSTRING_LEN);
data += ETH_GSTRING_LEN;
}
+ if (eni_stats_needed) {
+ for (i = 0; i < ENA_STATS_ARRAY_ENI(adapter); i++) {
+ ena_stats = &ena_stats_eni_strings[i];
+ memcpy(data, ena_stats->name, ETH_GSTRING_LEN);
+ data += ETH_GSTRING_LEN;
+ }
+ }
+
ena_queue_strings(adapter, &data);
ena_com_dev_strings(&data);
}
+static void ena_get_ethtool_strings(struct net_device *netdev,
+ u32 sset,
+ u8 *data)
+{
+ struct ena_adapter *adapter = netdev_priv(netdev);
+
+ if (sset != ETH_SS_STATS)
+ return;
+
+ ena_get_strings(adapter, data, adapter->eni_stats_supported);
+}
+
static int ena_get_link_ksettings(struct net_device *netdev,
struct ethtool_link_ksettings *link_ksettings)
{
@@ -847,7 +913,7 @@ static const struct ethtool_ops ena_ethtool_ops = {
.get_ringparam = ena_get_ringparam,
.set_ringparam = ena_set_ringparam,
.get_sset_count = ena_get_sset_count,
- .get_strings = ena_get_strings,
+ .get_strings = ena_get_ethtool_strings,
.get_ethtool_stats = ena_get_ethtool_stats,
.get_rxnfc = ena_get_rxnfc,
.set_rxnfc = ena_set_rxnfc,
@@ -875,7 +941,7 @@ static void ena_dump_stats_ex(struct ena_adapter *adapter, u8 *buf)
int strings_num;
int i, rc;
- strings_num = ena_get_sset_count(netdev, ETH_SS_STATS);
+ strings_num = ena_get_sw_stats_count(adapter);
if (strings_num <= 0) {
netif_err(adapter, drv, netdev, "Can't get stats num\n");
return;
@@ -895,13 +961,13 @@ static void ena_dump_stats_ex(struct ena_adapter *adapter, u8 *buf)
GFP_ATOMIC);
if (!data_buf) {
netif_err(adapter, drv, netdev,
- "failed to allocate data buf\n");
+ "Failed to allocate data buf\n");
devm_kfree(&adapter->pdev->dev, strings_buf);
return;
}
- ena_get_strings(netdev, ETH_SS_STATS, strings_buf);
- ena_get_ethtool_stats(netdev, NULL, data_buf);
+ ena_get_strings(adapter, strings_buf, false);
+ ena_get_stats(adapter, data_buf, false);
/* If there is a buffer, dump stats, otherwise print them to dmesg */
if (buf)
@@ -3181,6 +3181,19 @@ err:
ena_com_delete_debug_area(adapter->ena_dev);
}
+int ena_update_hw_stats(struct ena_adapter *adapter)
+{
+ int rc = 0;
+
+ rc = ena_com_get_eni_stats(adapter->ena_dev, &adapter->eni_stats);
+ if (rc) {
+ dev_info_once(&adapter->pdev->dev, "Failed to get ENI stats\n");
+ return rc;
+ }
+
+ return 0;
+}
+
static void ena_get_stats64(struct net_device *netdev,
struct rtnl_link_stats64 *stats)
{
@@ -4301,6 +4314,11 @@ static int ena_probe(struct pci_dev *pdev, const struct pci_device_id *ent)
ena_config_debug_area(adapter);
+ if (!ena_update_hw_stats(adapter))
+ adapter->eni_stats_supported = true;
+ else
+ adapter->eni_stats_supported = false;
+
memcpy(adapter->netdev->perm_addr, adapter->mac_addr, netdev->addr_len);
netif_carrier_off(netdev);
@@ -405,6 +405,8 @@ struct ena_adapter {
struct u64_stats_sync syncp;
struct ena_stats_dev dev_stats;
+ struct ena_admin_eni_stats eni_stats;
+ bool eni_stats_supported;
/* last queue index that was checked for uncompleted tx packets */
u32 last_monitored_tx_qid;
@@ -422,6 +424,8 @@ void ena_dump_stats_to_dmesg(struct ena_adapter *adapter);
void ena_dump_stats_to_buf(struct ena_adapter *adapter, u8 *buf);
+int ena_update_hw_stats(struct ena_adapter *adapter);
+
int ena_update_queue_sizes(struct ena_adapter *adapter,
u32 new_tx_size,
u32 new_rx_size);