static void hns3_tqp_stats_clear(struct hns3_hw *hw);
-/*
- * Query all the MAC statistics data of Network ICL command ,opcode id: 0x0034.
- * This command is used before send 'query_mac_stat command', the descriptor
- * number of 'query_mac_stat command' must match with reg_num in this command.
- * @praram hw
- * Pointer to structure hns3_hw.
- * @return
- * 0 on success.
- */
static int
-hns3_update_mac_stats(struct hns3_hw *hw, const uint32_t desc_num)
+hns3_update_mac_stats(struct hns3_hw *hw)
{
+#define HNS3_MAC_STATS_REG_NUM_PER_DESC 4
+
uint64_t *data = (uint64_t *)(&hw->mac_stats);
struct hns3_cmd_desc *desc;
+ uint32_t stats_iterms;
uint64_t *desc_data;
- uint16_t i, k, n;
+ uint32_t desc_num;
+ uint16_t i;
int ret;
+ /* The first desc has a 64-bit header, so need to consider it. */
+ desc_num = hw->mac_stats_reg_num / HNS3_MAC_STATS_REG_NUM_PER_DESC + 1;
desc = rte_malloc("hns3_mac_desc",
desc_num * sizeof(struct hns3_cmd_desc), 0);
if (desc == NULL) {
return ret;
}
- for (i = 0; i < desc_num; i++) {
- /* For special opcode 0034, only the first desc has the head */
- if (i == 0) {
- desc_data = (uint64_t *)(&desc[i].data[0]);
- n = HNS3_RD_FIRST_STATS_NUM;
- } else {
- desc_data = (uint64_t *)(&desc[i]);
- n = HNS3_RD_OTHER_STATS_NUM;
- }
-
- for (k = 0; k < n; k++) {
- *data += rte_le_to_cpu_64(*desc_data);
- data++;
- desc_data++;
- }
+ stats_iterms = RTE_MIN(sizeof(hw->mac_stats) / sizeof(uint64_t),
+ hw->mac_stats_reg_num);
+ desc_data = (uint64_t *)(&desc[0].data[0]);
+ for (i = 0; i < stats_iterms; i++) {
+ /*
+ * Data memory is continuous and only the first descriptor has a
+ * header in this command.
+ */
+ *data += rte_le_to_cpu_64(*desc_data);
+ data++;
+ desc_data++;
}
rte_free(desc);
return 0;
}
-/*
- * Query Mac stat reg num command ,opcode id: 0x0033.
- * This command is used before send 'query_mac_stat command', the descriptor
- * number of 'query_mac_stat command' must match with reg_num in this command.
- * @praram rte_stats
- * Pointer to structure rte_eth_stats.
- * @return
- * 0 on success.
- */
static int
-hns3_mac_query_reg_num(struct rte_eth_dev *dev, uint32_t *desc_num)
+hns3_mac_query_reg_num(struct hns3_hw *hw, uint32_t *reg_num)
{
- struct hns3_adapter *hns = dev->data->dev_private;
- struct hns3_hw *hw = &hns->hw;
+#define HNS3_MAC_STATS_RSV_REG_NUM_ON_HIP08_B 3
struct hns3_cmd_desc desc;
- uint32_t *desc_data;
- uint32_t reg_num;
int ret;
hns3_cmd_setup_basic_desc(&desc, HNS3_OPC_QUERY_MAC_REG_NUM, true);
ret = hns3_cmd_send(hw, &desc, 1);
- if (ret)
+ if (ret) {
+ hns3_err(hw, "failed to query MAC statistic reg number, ret = %d",
+ ret);
return ret;
+ }
- /*
- * The num of MAC statistics registers that are provided by IMP in this
- * version.
- */
- desc_data = (uint32_t *)(&desc.data[0]);
- reg_num = rte_le_to_cpu_32(*desc_data);
+ /* The number of MAC statistics registers are provided by firmware. */
+ *reg_num = rte_le_to_cpu_32(desc.data[0]);
+ if (*reg_num == 0) {
+ hns3_err(hw, "MAC statistic reg number is invalid!");
+ return -ENODATA;
+ }
/*
- * The descriptor number of 'query_additional_mac_stat command' is
- * '1 + (reg_num-3)/4 + ((reg_num-3)%4 !=0)';
- * This value is 83 in this version
+ * If driver doesn't request the firmware to report more MAC statistics
+ * iterms and the total number of MAC statistics registers by using new
+ * method, firmware will only reports the number of valid statistics
+ * registers. However, structure hns3_mac_stats in driver contains valid
+ * and reserved statistics iterms. In this case, the total register
+ * number must be added to three reserved statistics registers.
*/
- *desc_num = 1 + ((reg_num - 3) >> 2) +
- (uint32_t)(((reg_num - 3) & 0x3) ? 1 : 0);
+ *reg_num += HNS3_MAC_STATS_RSV_REG_NUM_ON_HIP08_B;
+
+ return 0;
+}
+
+int
+hns3_query_mac_stats_reg_num(struct hns3_hw *hw)
+{
+ uint32_t mac_stats_reg_num = 0;
+ int ret;
+
+ ret = hns3_mac_query_reg_num(hw, &mac_stats_reg_num);
+ if (ret)
+ return ret;
+
+ hw->mac_stats_reg_num = mac_stats_reg_num;
+ if (hw->mac_stats_reg_num > sizeof(hw->mac_stats) / sizeof(uint64_t))
+ hns3_warn(hw, "MAC stats reg number from firmware is greater than stats iterms in driver.");
return 0;
}
{
struct hns3_adapter *hns = dev->data->dev_private;
struct hns3_hw *hw = &hns->hw;
- uint32_t desc_num;
- int ret;
- ret = hns3_mac_query_reg_num(dev, &desc_num);
- if (ret == 0)
- ret = hns3_update_mac_stats(hw, desc_num);
- else
- hns3_err(hw, "Query mac reg num fail : %d", ret);
- return ret;
+ return hns3_update_mac_stats(hw);
}
static int
cnt = hns3_read_dev(rxq, HNS3_RING_RX_PKTNUM_RECORD_REG);
/*
- * Read hardware and software in adjacent positions to minumize
+ * Read hardware and software in adjacent positions to minimize
* the timing variance.
*/
rte_stats->ierrors += rxq->err_stats.l2_errors +
* A pointer to an ids array passed by application. This tells which
* statistics values function should retrieve. This parameter
* can be set to NULL if size is 0. In this case function will retrieve
- * all avalible statistics.
+ * all available statistics.
* @param values
* A pointer to a table to be filled with device statistics values.
* @param size
*
* @param dev
* Pointer to Ethernet device.
+ * @param ids
+ * IDs array given by app to retrieve specific statistics
* @param xstats_names
* An rte_eth_xstat_name array of at least *size* elements to
* be filled. If set to NULL, the function returns the required number
* of elements.
- * @param ids
- * IDs array given by app to retrieve specific statistics
* @param size
* The size of the xstats_names array (number of elements).
* @return
*/
int
hns3_dev_xstats_get_names_by_id(struct rte_eth_dev *dev,
+ const uint64_t *ids,
struct rte_eth_xstat_name *xstats_names,
- const uint64_t *ids, uint32_t size)
+ uint32_t size)
{
const uint32_t cnt_stats = hns3_xstats_calc_num(dev);
struct hns3_adapter *hns = dev->data->dev_private;
git.droids-corp.org / dpdk.git / blobdiff