From: "Min Hu (Connor)" humin29@huawei.com
This patch implement Rx imissed stats by querying cmdq.
Signed-off-by: Min Hu (Connor) humin29@huawei.com Signed-off-by: Lijun Ou oulijun@huawei.com --- drivers/net/hns3/hns3_cmd.h | 7 +++ drivers/net/hns3/hns3_ethdev.c | 7 +++ drivers/net/hns3/hns3_ethdev.h | 1 + drivers/net/hns3/hns3_stats.c | 106 ++++++++++++++++++++++++++++++++++++++++- drivers/net/hns3/hns3_stats.h | 8 ++++ 5 files changed, 128 insertions(+), 1 deletion(-)
diff --git a/drivers/net/hns3/hns3_cmd.h b/drivers/net/hns3/hns3_cmd.h index 2e23f99..93bfa74 100644 --- a/drivers/net/hns3/hns3_cmd.h +++ b/drivers/net/hns3/hns3_cmd.h @@ -905,6 +905,13 @@ struct hns3_dev_specs_0_cmd { uint32_t max_tm_rate; };
+struct hns3_query_rpu_cmd { + uint32_t tc_queue_num; + uint32_t rsv1[2]; + uint32_t rpu_rx_pkt_drop_cnt; + uint32_t rsv2[2]; +}; + #define HNS3_MAX_TQP_NUM_HIP08_PF 64 #define HNS3_DEFAULT_TX_BUF 0x4000 /* 16k bytes */ #define HNS3_TOTAL_PKT_BUF 0x108000 /* 1.03125M bytes */ diff --git a/drivers/net/hns3/hns3_ethdev.c b/drivers/net/hns3/hns3_ethdev.c index 91d720a..34cd038 100644 --- a/drivers/net/hns3/hns3_ethdev.c +++ b/drivers/net/hns3/hns3_ethdev.c @@ -4742,6 +4742,13 @@ hns3_init_pf(struct rte_eth_dev *eth_dev) goto err_cmd_init; }
+ /* Hardware statistics of imissed registers cleared. */ + ret = hns3_update_imissed_stats(hw, true); + if (ret) { + hns3_err(hw, "clear imissed stats failed, ret = %d", ret); + return ret; + } + hns3_config_all_msix_error(hw, true);
ret = rte_intr_callback_register(&pci_dev->intr_handle, diff --git a/drivers/net/hns3/hns3_ethdev.h b/drivers/net/hns3/hns3_ethdev.h index 3a592c0..5299dd8 100644 --- a/drivers/net/hns3/hns3_ethdev.h +++ b/drivers/net/hns3/hns3_ethdev.h @@ -434,6 +434,7 @@ struct hns3_hw { struct hns3_tqp_stats tqp_stats; /* Include Mac stats | Rx stats | Tx stats */ struct hns3_mac_stats mac_stats; + struct hns3_rx_missed_stats imissed_stats; uint32_t fw_version;
uint16_t num_msi; diff --git a/drivers/net/hns3/hns3_stats.c b/drivers/net/hns3/hns3_stats.c index 777d36a..87035e3 100644 --- a/drivers/net/hns3/hns3_stats.c +++ b/drivers/net/hns3/hns3_stats.c @@ -324,6 +324,12 @@ static const struct hns3_xstats_name_offset hns3_tx_queue_strings[] = { {"TX_QUEUE_FBD", HNS3_RING_TX_FBDNUM_REG} };
+/* The statistic of imissed packet */ +static const struct hns3_xstats_name_offset hns3_imissed_stats_strings[] = { + {"RPU_DROP_CNT", + HNS3_IMISSED_STATS_FIELD_OFFSET(rpu_rx_drop_cnt)}, +}; + #define HNS3_NUM_MAC_STATS (sizeof(hns3_mac_strings) / \ sizeof(hns3_mac_strings[0]))
@@ -354,8 +360,11 @@ static const struct hns3_xstats_name_offset hns3_tx_queue_strings[] = { #define HNS3_NUM_TXQ_BASIC_STATS (sizeof(hns3_txq_basic_stats_strings) / \ sizeof(hns3_txq_basic_stats_strings[0]))
+#define HNS3_NUM_IMISSED_XSTATS (sizeof(hns3_imissed_stats_strings) / \ + sizeof(hns3_imissed_stats_strings[0])) + #define HNS3_FIX_NUM_STATS (HNS3_NUM_MAC_STATS + HNS3_NUM_ERROR_INT_XSTATS + \ - HNS3_NUM_RESET_XSTATS) + HNS3_NUM_RESET_XSTATS + HNS3_NUM_IMISSED_XSTATS)
static void hns3_tqp_stats_clear(struct hns3_hw *hw); static void hns3_tqp_basic_stats_clear(struct rte_eth_dev *dev); @@ -515,6 +524,52 @@ hns3_update_tqp_stats(struct hns3_hw *hw) return 0; }
+static int +hns3_update_rpu_drop_stats(struct hns3_hw *hw) +{ + struct hns3_rx_missed_stats *stats = &hw->imissed_stats; + struct hns3_query_rpu_cmd *req; + struct hns3_cmd_desc desc; + uint64_t cnt; + uint32_t tc_num; + int ret; + + hns3_cmd_setup_basic_desc(&desc, HNS3_OPC_DFX_RPU_REG_0, true); + req = (struct hns3_query_rpu_cmd *)desc.data; + + /* + * tc_num is 0, means rpu stats of all TC channels will be + * get from firmware + */ + tc_num = 0; + req->tc_queue_num = rte_cpu_to_le_32(tc_num); + ret = hns3_cmd_send(hw, &desc, 1); + if (ret) { + hns3_err(hw, "failed to query RPU stats: %d", ret); + return ret; + } + + cnt = rte_le_to_cpu_32(req->rpu_rx_pkt_drop_cnt); + stats->rpu_rx_drop_cnt += cnt; + + return 0; +} + +int +hns3_update_imissed_stats(struct hns3_hw *hw, bool is_clear) +{ + int ret; + + ret = hns3_update_rpu_drop_stats(hw); + if (ret) + return ret; + + if (is_clear) + memset(&hw->imissed_stats, 0, sizeof(hw->imissed_stats)); + + return 0; +} + /* * Query tqp tx queue statistics ,opcode id: 0x0B03. * Query tqp rx queue statistics ,opcode id: 0x0B13. @@ -531,6 +586,7 @@ hns3_stats_get(struct rte_eth_dev *eth_dev, struct rte_eth_stats *rte_stats) { struct hns3_adapter *hns = eth_dev->data->dev_private; struct hns3_hw *hw = &hns->hw; + struct hns3_rx_missed_stats *imissed_stats = &hw->imissed_stats; struct hns3_tqp_stats *stats = &hw->tqp_stats; struct hns3_rx_queue *rxq; uint64_t cnt; @@ -544,6 +600,18 @@ hns3_stats_get(struct rte_eth_dev *eth_dev, struct rte_eth_stats *rte_stats) return ret; }
+ if (!hns->is_vf) { + /* Update imissed stats */ + ret = hns3_update_imissed_stats(hw, false); + if (ret) { + hns3_err(hw, "update imissed stats failed, ret = %d", + ret); + return ret; + } + + rte_stats->imissed = imissed_stats->rpu_rx_drop_cnt; + } + /* Get the error stats and bytes of received packets */ for (i = 0; i < eth_dev->data->nb_rx_queues; i++) { rxq = eth_dev->data->rx_queues[i]; @@ -616,6 +684,19 @@ hns3_stats_reset(struct rte_eth_dev *eth_dev) } }
+ if (!hns->is_vf) { + /* + * Note: Reading hardware statistics of imissed registers will + * clear them. + */ + ret = hns3_update_imissed_stats(hw, true); + if (ret) { + hns3_err(hw, "clear imissed stats failed, ret = %d", + ret); + return ret; + } + } + /* * Clear soft stats of rx error packet which will be dropped * in driver. @@ -928,6 +1009,7 @@ hns3_dev_xstats_get(struct rte_eth_dev *dev, struct rte_eth_xstat *xstats, struct hns3_adapter *hns = dev->data->dev_private; struct hns3_pf *pf = &hns->pf; struct hns3_hw *hw = &hns->hw; + struct hns3_rx_missed_stats *imissed_stats = &hw->imissed_stats; struct hns3_mac_stats *mac_stats = &hw->mac_stats; struct hns3_reset_stats *reset_stats = &hw->reset.stats; struct hns3_rx_bd_errors_stats *rx_err_stats; @@ -966,6 +1048,21 @@ hns3_dev_xstats_get(struct rte_eth_dev *dev, struct rte_eth_xstat *xstats, count++; }
+ ret = hns3_update_imissed_stats(hw, false); + if (ret) { + hns3_err(hw, "update imissed stats failed, ret = %d", + ret); + return ret; + } + + for (i = 0; i < HNS3_NUM_IMISSED_XSTATS; i++) { + addr = (char *)imissed_stats + + hns3_imissed_stats_strings[i].offset; + xstats[count].value = *(uint64_t *)addr; + xstats[count].id = count; + count++; + } + for (i = 0; i < HNS3_NUM_ERROR_INT_XSTATS; i++) { addr = (char *)&pf->abn_int_stats + hns3_error_int_stats_strings[i].offset; @@ -1108,6 +1205,13 @@ hns3_dev_xstats_get_names(struct rte_eth_dev *dev, count++; }
+ for (i = 0; i < HNS3_NUM_IMISSED_XSTATS; i++) { + snprintf(xstats_names[count].name, + sizeof(xstats_names[count].name), + "%s", hns3_imissed_stats_strings[i].name); + count++; + } + for (i = 0; i < HNS3_NUM_ERROR_INT_XSTATS; i++) { snprintf(xstats_names[count].name, sizeof(xstats_names[count].name), diff --git a/drivers/net/hns3/hns3_stats.h b/drivers/net/hns3/hns3_stats.h index d213be5..01b4f36 100644 --- a/drivers/net/hns3/hns3_stats.h +++ b/drivers/net/hns3/hns3_stats.h @@ -110,6 +110,10 @@ struct hns3_mac_stats { uint64_t mac_rx_ctrl_pkt_num; };
+struct hns3_rx_missed_stats { + uint64_t rpu_rx_drop_cnt; +}; + /* store statistics names and its offset in stats structure */ struct hns3_xstats_name_offset { char name[RTE_ETH_XSTATS_NAME_SIZE]; @@ -141,6 +145,9 @@ struct hns3_reset_stats; #define HNS3_TXQ_BASIC_STATS_FIELD_OFFSET(f) \ (offsetof(struct hns3_tx_basic_stats, f))
+#define HNS3_IMISSED_STATS_FIELD_OFFSET(f) \ + (offsetof(struct hns3_rx_missed_stats, f)) + int hns3_stats_get(struct rte_eth_dev *dev, struct rte_eth_stats *rte_stats); int hns3_dev_xstats_get(struct rte_eth_dev *dev, struct rte_eth_xstat *xstats, unsigned int n); @@ -160,5 +167,6 @@ int hns3_stats_reset(struct rte_eth_dev *dev); void hns3_error_int_stats_add(struct hns3_adapter *hns, const char *err); int hns3_tqp_stats_init(struct hns3_hw *hw); void hns3_tqp_stats_uninit(struct hns3_hw *hw); +int hns3_update_imissed_stats(struct hns3_hw *hw, bool is_clear);
#endif /* _HNS3_STATS_H_ */