This patch dumps flow control info such as flow control mode
for debug.
Signed-off-by: Min Hu (Connor) <humin29@huawei.com>
---
drivers/net/hns3/hns3_ethdev.c | 2 +-
drivers/net/hns3/hns3_ethdev.h | 2 +
drivers/net/hns3/hns3_ethdev_dump.c | 103 ++++++++++++++++++++++++++++
3 files changed, 106 insertions(+), 1 deletion(-)
@@ -5350,7 +5350,7 @@ hns3_get_current_fc_mode(struct rte_eth_dev *dev)
return hns3_get_autoneg_fc_mode(hw);
}
-static int
+int
hns3_flow_ctrl_get(struct rte_eth_dev *dev, struct rte_eth_fc_conf *fc_conf)
{
struct hns3_hw *hw = HNS3_DEV_PRIVATE_TO_HW(dev->data->dev_private);
@@ -1030,6 +1030,8 @@ hns3_test_and_clear_bit(unsigned int nr, volatile uint64_t *addr)
return __atomic_fetch_and(addr, ~mask, __ATOMIC_RELAXED) & mask;
}
+int
+hns3_flow_ctrl_get(struct rte_eth_dev *dev, struct rte_eth_fc_conf *fc_conf);
uint32_t hns3_get_speed_capa(struct hns3_hw *hw);
int hns3_buffer_alloc(struct hns3_hw *hw);
@@ -791,6 +791,108 @@ get_tm_conf_info(FILE *file, struct rte_eth_dev *dev)
get_tm_conf_queue_node_info(file, conf, dev->data->nb_tx_queues);
}
+static void
+hns3_fc_mode_to_rxtx_pause(enum hns3_fc_mode fc_mode, bool *rx_pause,
+ bool *tx_pause)
+{
+ switch (fc_mode) {
+ case HNS3_FC_NONE:
+ *tx_pause = false;
+ *rx_pause = false;
+ break;
+ case HNS3_FC_RX_PAUSE:
+ *rx_pause = true;
+ *tx_pause = false;
+ break;
+ case HNS3_FC_TX_PAUSE:
+ *rx_pause = false;
+ *tx_pause = true;
+ break;
+ case HNS3_FC_FULL:
+ *rx_pause = true;
+ *tx_pause = true;
+ break;
+ default:
+ *rx_pause = false;
+ *tx_pause = false;
+ break;
+ }
+}
+
+static bool
+is_link_fc_mode(struct hns3_adapter *hns)
+{
+ struct hns3_hw *hw = &hns->hw;
+ struct hns3_pf *pf = &hns->pf;
+
+ if (hw->current_fc_status == HNS3_FC_STATUS_PFC)
+ return false;
+
+ if (hw->num_tc > 1 && !pf->support_multi_tc_pause)
+ return false;
+
+ return true;
+}
+
+static void
+get_link_fc_info(FILE *file, struct rte_eth_dev *dev)
+{
+ struct hns3_adapter *hns = dev->data->dev_private;
+ struct hns3_hw *hw = &hns->hw;
+ struct rte_eth_fc_conf fc_conf;
+ bool rx_pause1;
+ bool tx_pause1;
+ bool rx_pause2;
+ bool tx_pause2;
+ int ret;
+
+ if (!is_link_fc_mode(hns))
+ return;
+
+ ret = hns3_flow_ctrl_get(dev, &fc_conf);
+ if (ret) {
+ fprintf(file, "get device flow control info fail!\n");
+ return;
+ }
+
+ hns3_fc_mode_to_rxtx_pause(hw->requested_fc_mode,
+ &rx_pause1, &tx_pause1);
+ hns3_fc_mode_to_rxtx_pause((enum hns3_fc_mode)fc_conf.mode,
+ &rx_pause2, &tx_pause2);
+
+ fprintf(file,
+ "\t -- link_fc_info:\n"
+ "\t Requested fc:\n"
+ "\t Rx: %s\n"
+ "\t Tx: %s\n"
+ "\t Current fc:\n"
+ "\t Rx: %s\n"
+ "\t Tx: %s\n"
+ "\t Autonegotiate: %s\n"
+ "\t Pause time: 0x%x\n",
+ rx_pause1 ? "On" : "Off", tx_pause1 ? "On" : "Off",
+ rx_pause2 ? "On" : "Off", tx_pause2 ? "On" : "Off",
+ fc_conf.autoneg == RTE_ETH_LINK_AUTONEG ? "On" : "Off",
+ fc_conf.pause_time);
+}
+
+static void
+get_flow_ctrl_info(FILE *file, struct rte_eth_dev *dev)
+{
+ struct hns3_adapter *hns = dev->data->dev_private;
+ struct hns3_hw *hw = &hns->hw;
+
+ fprintf(file, " - Flow Ctrl Info:\n");
+ fprintf(file,
+ "\t -- fc_common_info:\n"
+ "\t current_fc_status=%u\n"
+ "\t requested_fc_mode=%u\n",
+ hw->current_fc_status,
+ hw->requested_fc_mode);
+
+ get_link_fc_info(file, dev);
+}
+
int
hns3_eth_dev_priv_dump(struct rte_eth_dev *dev, FILE *file)
{
@@ -809,6 +911,7 @@ hns3_eth_dev_priv_dump(struct rte_eth_dev *dev, FILE *file)
get_vlan_config_info(file, hw);
get_fdir_basic_info(file, &hns->pf);
get_tm_conf_info(file, dev);
+ get_flow_ctrl_info(file, dev);
return 0;
}