net/hns3: dump flow control info

This patch dumps flow control info such as flow control mode
for debug.

Signed-off-by: Min Hu (Connor) <humin29@huawei.com>

diff --git a/drivers/net/hns3/hns3_ethdev.c b/drivers/net/hns3/hns3_ethdev.c
index bb1ea95ed4548679700586e6703d4798c52494e0..4e089e682f188448088e7dff2afc348f6c022a69 100644 (file)
--- a/drivers/net/hns3/hns3_ethdev.c
+++ b/drivers/net/hns3/hns3_ethdev.c
@@ -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);

diff --git a/drivers/net/hns3/hns3_ethdev.h b/drivers/net/hns3/hns3_ethdev.h
index 551392ca6d9dc59f77bf0240a461ad97c30cbdf0..9a0fa09b572724367f4b42e91be6ad552859f450 100644 (file)
--- a/drivers/net/hns3/hns3_ethdev.h
+++ b/drivers/net/hns3/hns3_ethdev.h
@@ -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);

diff --git a/drivers/net/hns3/hns3_ethdev_dump.c b/drivers/net/hns3/hns3_ethdev_dump.c
index f3c631324b023ed51266694f362f9b295f0d5122..beffdd9e32af33674c26c7a388f47b582f80e5be 100644 (file)
--- a/drivers/net/hns3/hns3_ethdev_dump.c
+++ b/drivers/net/hns3/hns3_ethdev_dump.c
@@ -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;
 }