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Diffstat (limited to 'drivers/net/ethernet/amazon/ena/ena_com.h')
-rw-r--r--drivers/net/ethernet/amazon/ena/ena_com.h103
1 files changed, 67 insertions, 36 deletions
diff --git a/drivers/net/ethernet/amazon/ena/ena_com.h b/drivers/net/ethernet/amazon/ena/ena_com.h
index 3c5081d9d25d..9414e93d107b 100644
--- a/drivers/net/ethernet/amazon/ena/ena_com.h
+++ b/drivers/net/ethernet/amazon/ena/ena_com.h
@@ -42,12 +42,14 @@
#define ADMIN_CQ_SIZE(depth) ((depth) * sizeof(struct ena_admin_acq_entry))
#define ADMIN_AENQ_SIZE(depth) ((depth) * sizeof(struct ena_admin_aenq_entry))
+#define ENA_CUSTOMER_METRICS_BUFFER_SIZE 512
+
/*****************************************************************************/
/*****************************************************************************/
/* ENA adaptive interrupt moderation settings */
#define ENA_INTR_INITIAL_TX_INTERVAL_USECS 64
-#define ENA_INTR_INITIAL_RX_INTERVAL_USECS 0
+#define ENA_INTR_INITIAL_RX_INTERVAL_USECS 20
#define ENA_DEFAULT_INTR_DELAY_RESOLUTION 1
#define ENA_HASH_KEY_SIZE 40
@@ -109,16 +111,13 @@ struct ena_com_io_cq {
/* Interrupt unmask register */
u32 __iomem *unmask_reg;
- /* The completion queue head doorbell register */
- u32 __iomem *cq_head_db_reg;
-
/* numa configuration register (for TPH) */
u32 __iomem *numa_node_cfg_reg;
/* The value to write to the above register to unmask
* the interrupt of this queue
*/
- u32 msix_vector;
+ u32 msix_vector ____cacheline_aligned;
enum queue_direction direction;
@@ -134,7 +133,6 @@ struct ena_com_io_cq {
/* Device queue index */
u16 idx;
u16 head;
- u16 last_head_update;
u8 phase;
u8 cdesc_entry_size_in_bytes;
@@ -158,7 +156,6 @@ struct ena_com_io_sq {
struct ena_com_io_desc_addr desc_addr;
u32 __iomem *db_addr;
- u8 __iomem *header_addr;
enum queue_direction direction;
enum ena_admin_placement_policy_type mem_queue_type;
@@ -227,9 +224,6 @@ struct ena_com_admin_queue {
/* Indicate if the admin queue should poll for completion */
bool polling;
- /* Define if fallback to polling mode should occur */
- bool auto_polling;
-
u16 curr_cmd_id;
/* Indicate that the ena was initialized and can
@@ -283,6 +277,16 @@ struct ena_rss {
};
+struct ena_customer_metrics {
+ /* in correlation with ENA_ADMIN_CUSTOMER_METRICS_SUPPORT_MASK
+ * and ena_admin_customer_metrics_id
+ */
+ u64 supported_metrics;
+ dma_addr_t buffer_dma_addr;
+ void *buffer_virt_addr;
+ u32 buffer_len;
+};
+
struct ena_host_attribute {
/* Debug area */
u8 *debug_area_virt_addr;
@@ -310,6 +314,8 @@ struct ena_com_dev {
u16 stats_func; /* Selected function for extended statistic dump */
u16 stats_queue; /* Selected queue for extended statistic dump */
+ u32 ena_min_poll_delay_us;
+
struct ena_com_mmio_read mmio_read;
struct ena_rss rss;
@@ -331,7 +337,7 @@ struct ena_com_dev {
struct ena_com_llq_info llq_info;
- u32 ena_min_poll_delay_us;
+ struct ena_customer_metrics customer_metrics;
};
struct ena_com_dev_get_features_ctx {
@@ -484,17 +490,6 @@ bool ena_com_get_admin_running_state(struct ena_com_dev *ena_dev);
*/
void ena_com_set_admin_polling_mode(struct ena_com_dev *ena_dev, bool polling);
-/* ena_com_set_admin_auto_polling_mode - Enable autoswitch to polling mode
- * @ena_dev: ENA communication layer struct
- * @polling: Enable/Disable polling mode
- *
- * Set the autopolling mode.
- * If autopolling is on:
- * In case of missing interrupt when data is available switch to polling.
- */
-void ena_com_set_admin_auto_polling_mode(struct ena_com_dev *ena_dev,
- bool polling);
-
/* ena_com_admin_q_comp_intr_handler - admin queue interrupt handler
* @ena_dev: ENA communication layer struct
*
@@ -582,40 +577,40 @@ int ena_com_set_aenq_config(struct ena_com_dev *ena_dev, u32 groups_flag);
int ena_com_get_dev_attr_feat(struct ena_com_dev *ena_dev,
struct ena_com_dev_get_features_ctx *get_feat_ctx);
-/* ena_com_get_dev_basic_stats - Get device basic statistics
+/* 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_dev_basic_stats(struct ena_com_dev *ena_dev,
- struct ena_admin_basic_stats *stats);
+int ena_com_get_eni_stats(struct ena_com_dev *ena_dev,
+ struct ena_admin_eni_stats *stats);
-/* ena_com_get_eni_stats - Get extended network interface statistics
+/* ena_com_get_ena_srd_info - Get ENA SRD network interface statistics
* @ena_dev: ENA communication layer struct
- * @stats: stats return value
+ * @info: ena srd stats and flags
*
* @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);
+int ena_com_get_ena_srd_info(struct ena_com_dev *ena_dev,
+ struct ena_admin_ena_srd_info *info);
-/* ena_com_set_dev_mtu - Configure the device mtu.
+/* ena_com_get_customer_metrics - Get customer metrics for network interface
* @ena_dev: ENA communication layer struct
- * @mtu: mtu value
+ * @buffer: buffer for returned customer metrics
+ * @len: size of the buffer
*
* @return: 0 on Success and negative value otherwise.
*/
-int ena_com_set_dev_mtu(struct ena_com_dev *ena_dev, u32 mtu);
+int ena_com_get_customer_metrics(struct ena_com_dev *ena_dev, char *buffer, u32 len);
-/* ena_com_get_offload_settings - Retrieve the device offloads capabilities
+/* ena_com_set_dev_mtu - Configure the device mtu.
* @ena_dev: ENA communication layer struct
- * @offlad: offload return value
+ * @mtu: mtu value
*
* @return: 0 on Success and negative value otherwise.
*/
-int ena_com_get_offload_settings(struct ena_com_dev *ena_dev,
- struct ena_admin_feature_offload_desc *offload);
+int ena_com_set_dev_mtu(struct ena_com_dev *ena_dev, u32 mtu);
/* ena_com_rss_init - Init RSS
* @ena_dev: ENA communication layer struct
@@ -810,6 +805,13 @@ int ena_com_allocate_host_info(struct ena_com_dev *ena_dev);
int ena_com_allocate_debug_area(struct ena_com_dev *ena_dev,
u32 debug_area_size);
+/* ena_com_allocate_customer_metrics_buffer - Allocate customer metrics resources.
+ * @ena_dev: ENA communication layer struct
+ *
+ * @return: 0 on Success and negative value otherwise.
+ */
+int ena_com_allocate_customer_metrics_buffer(struct ena_com_dev *ena_dev);
+
/* ena_com_delete_debug_area - Free the debug area resources.
* @ena_dev: ENA communication layer struct
*
@@ -824,6 +826,13 @@ void ena_com_delete_debug_area(struct ena_com_dev *ena_dev);
*/
void ena_com_delete_host_info(struct ena_com_dev *ena_dev);
+/* ena_com_delete_customer_metrics_buffer - Free the customer metrics resources.
+ * @ena_dev: ENA communication layer struct
+ *
+ * Free the allocated customer metrics area.
+ */
+void ena_com_delete_customer_metrics_buffer(struct ena_com_dev *ena_dev);
+
/* ena_com_set_host_attributes - Update the device with the host
* attributes (debug area and host info) base address.
* @ena_dev: ENA communication layer struct
@@ -980,6 +989,28 @@ static inline bool ena_com_get_cap(struct ena_com_dev *ena_dev,
return !!(ena_dev->capabilities & BIT(cap_id));
}
+/* ena_com_get_customer_metric_support - query whether device supports a given customer metric.
+ * @ena_dev: ENA communication layer struct
+ * @metric_id: enum value representing the customer metric
+ *
+ * @return - true if customer metric is supported or false otherwise
+ */
+static inline bool ena_com_get_customer_metric_support(struct ena_com_dev *ena_dev,
+ enum ena_admin_customer_metrics_id metric_id)
+{
+ return !!(ena_dev->customer_metrics.supported_metrics & BIT(metric_id));
+}
+
+/* ena_com_get_customer_metric_count - return the number of supported customer metrics.
+ * @ena_dev: ENA communication layer struct
+ *
+ * @return - the number of supported customer metrics
+ */
+static inline int ena_com_get_customer_metric_count(struct ena_com_dev *ena_dev)
+{
+ return hweight64(ena_dev->customer_metrics.supported_metrics);
+}
+
/* ena_com_update_intr_reg - Prepare interrupt register
* @intr_reg: interrupt register to update.
* @rx_delay_interval: Rx interval in usecs