static int hns3_query_dev_fec_info(struct hns3_hw *hw);
static int hns3_do_stop(struct hns3_adapter *hns);
static int hns3_check_port_speed(struct hns3_hw *hw, uint32_t link_speeds);
+static int hns3_cfg_mac_mode(struct hns3_hw *hw, bool enable);
void hns3_ether_format_addr(char *buf, uint16_t size,
const struct rte_ether_addr *ether_addr)
return rte_eth_linkstatus_set(eth_dev, &new_link);
}
+static int
+hns3_dev_set_link_up(struct rte_eth_dev *dev)
+{
+ struct hns3_hw *hw = HNS3_DEV_PRIVATE_TO_HW(dev->data->dev_private);
+ int ret;
+
+ /*
+ * The "tx_pkt_burst" will be restored. But the secondary process does
+ * not support the mechanism for notifying the primary process.
+ */
+ if (rte_eal_process_type() != RTE_PROC_PRIMARY) {
+ hns3_err(hw, "secondary process does not support to set link up.");
+ return -ENOTSUP;
+ }
+
+ /*
+ * If device isn't started Rx/Tx function is still disabled, setting
+ * link up is not allowed. But it is probably better to return success
+ * to reduce the impact on the upper layer.
+ */
+ if (hw->adapter_state != HNS3_NIC_STARTED) {
+ hns3_info(hw, "device isn't started, can't set link up.");
+ return 0;
+ }
+
+ if (!hw->set_link_down)
+ return 0;
+
+ rte_spinlock_lock(&hw->lock);
+ ret = hns3_cfg_mac_mode(hw, true);
+ if (ret) {
+ rte_spinlock_unlock(&hw->lock);
+ hns3_err(hw, "failed to set link up, ret = %d", ret);
+ return ret;
+ }
+
+ hw->set_link_down = false;
+ hns3_start_tx_datapath(dev);
+ rte_spinlock_unlock(&hw->lock);
+
+ return 0;
+}
+
+static int
+hns3_dev_set_link_down(struct rte_eth_dev *dev)
+{
+ struct hns3_hw *hw = HNS3_DEV_PRIVATE_TO_HW(dev->data->dev_private);
+ int ret;
+
+ /*
+ * The "tx_pkt_burst" will be set to dummy function. But the secondary
+ * process does not support the mechanism for notifying the primary
+ * process.
+ */
+ if (rte_eal_process_type() != RTE_PROC_PRIMARY) {
+ hns3_err(hw, "secondary process does not support to set link down.");
+ return -ENOTSUP;
+ }
+
+ /*
+ * If device isn't started or the API has been called, link status is
+ * down, return success.
+ */
+ if (hw->adapter_state != HNS3_NIC_STARTED || hw->set_link_down)
+ return 0;
+
+ rte_spinlock_lock(&hw->lock);
+ hns3_stop_tx_datapath(dev);
+ ret = hns3_cfg_mac_mode(hw, false);
+ if (ret) {
+ hns3_start_tx_datapath(dev);
+ rte_spinlock_unlock(&hw->lock);
+ hns3_err(hw, "failed to set link down, ret = %d", ret);
+ return ret;
+ }
+
+ hw->set_link_down = true;
+ rte_spinlock_unlock(&hw->lock);
+
+ return 0;
+}
+
static int
hns3_parse_func_status(struct hns3_hw *hw, struct hns3_func_status_cmd *status)
{
hns3_do_start(struct hns3_adapter *hns, bool reset_queue)
{
struct hns3_hw *hw = &hns->hw;
+ bool link_en;
int ret;
ret = hns3_update_queue_map_configure(hns);
return ret;
}
- ret = hns3_cfg_mac_mode(hw, true);
+ link_en = hw->set_link_down ? false : true;
+ ret = hns3_cfg_mac_mode(hw, link_en);
if (ret) {
PMD_INIT_LOG(ERR, "failed to enable MAC, ret = %d", ret);
goto err_config_mac_mode;
{
struct hns3_adapter *hns = dev->data->dev_private;
struct hns3_hw *hw = &hns->hw;
+ bool old_state = hw->set_link_down;
int ret;
PMD_INIT_FUNC_TRACE();
rte_spinlock_lock(&hw->lock);
hw->adapter_state = HNS3_NIC_STARTING;
+ /*
+ * If the dev_set_link_down() API has been called, the "set_link_down"
+ * flag can be cleared by dev_start() API. In addition, the flag should
+ * also be cleared before calling hns3_do_start() so that MAC can be
+ * enabled in dev_start stage.
+ */
+ hw->set_link_down = false;
ret = hns3_do_start(hns, true);
- if (ret) {
- hw->adapter_state = HNS3_NIC_CONFIGURED;
- rte_spinlock_unlock(&hw->lock);
- return ret;
- }
+ if (ret)
+ goto do_start_fail;
+
ret = hns3_map_rx_interrupt(dev);
if (ret)
goto map_rx_inter_err;
hns3_stop_all_txqs(dev);
map_rx_inter_err:
(void)hns3_do_stop(hns);
+do_start_fail:
+ hw->set_link_down = old_state;
hw->adapter_state = HNS3_NIC_CONFIGURED;
rte_spinlock_unlock(&hw->lock);
.mac_addr_set = hns3_set_default_mac_addr,
.set_mc_addr_list = hns3_set_mc_mac_addr_list,
.link_update = hns3_dev_link_update,
+ .dev_set_link_up = hns3_dev_set_link_up,
+ .dev_set_link_down = hns3_dev_set_link_down,
.rss_hash_update = hns3_dev_rss_hash_update,
.rss_hash_conf_get = hns3_dev_rss_hash_conf_get,
.reta_update = hns3_dev_rss_reta_update,