net/hns3: add runtime config to select IO burst function

[dpdk.git] / drivers / net / hns3 / hns3_ethdev_vf.c

diff --git a/drivers/net/hns3/hns3_ethdev_vf.c b/drivers/net/hns3/hns3_ethdev_vf.c
index e7f6974..f3eaefb 100644 (file)
--- a/drivers/net/hns3/hns3_ethdev_vf.c
+++ b/drivers/net/hns3/hns3_ethdev_vf.c
@@ -1941,6 +1941,17 @@ hns3vf_do_stop(struct hns3_adapter *hns)
 
        hw->mac.link_status = ETH_LINK_DOWN;
 
+       /*
+        * The "hns3vf_do_stop" function will also be called by .stop_service to
+        * prepare reset. At the time of global or IMP reset, the command cannot
+        * be sent to stop the tx/rx queues. The mbuf in Tx/Rx queues may be
+        * accessed during the reset process. So the mbuf can not be released
+        * during reset and is required to be released after the reset is
+        * completed.
+        */
+       if (__atomic_load_n(&hw->reset.resetting,  __ATOMIC_RELAXED) == 0)
+               hns3_dev_release_mbufs(hns);
+
        if (__atomic_load_n(&hw->reset.disable_cmd, __ATOMIC_RELAXED) == 0) {
                hns3vf_configure_mac_addr(hns, true);
                ret = hns3_reset_all_tqps(hns);
@@ -2010,7 +2021,6 @@ hns3vf_dev_stop(struct rte_eth_dev *dev)
                hns3_stop_tqps(hw);
                hns3vf_do_stop(hns);
                hns3vf_unmap_rx_interrupt(dev);
-               hns3_dev_release_mbufs(hns);
                hw->adapter_state = HNS3_NIC_CONFIGURED;
        }
        hns3_rx_scattered_reset(dev);
@@ -2253,11 +2263,8 @@ hns3vf_dev_start(struct rte_eth_dev *dev)
                return ret;
        }
        ret = hns3vf_map_rx_interrupt(dev);
-       if (ret) {
-               hw->adapter_state = HNS3_NIC_CONFIGURED;
-               rte_spinlock_unlock(&hw->lock);
-               return ret;
-       }
+       if (ret)
+               goto map_rx_inter_err;
 
        /*
         * There are three register used to control the status of a TQP
@@ -2271,19 +2278,12 @@ hns3vf_dev_start(struct rte_eth_dev *dev)
         * status of queue in the dpdk framework.
         */
        ret = hns3_start_all_txqs(dev);
-       if (ret) {
-               hw->adapter_state = HNS3_NIC_CONFIGURED;
-               rte_spinlock_unlock(&hw->lock);
-               return ret;
-       }
+       if (ret)
+               goto map_rx_inter_err;
 
        ret = hns3_start_all_rxqs(dev);
-       if (ret) {
-               hns3_stop_all_txqs(dev);
-               hw->adapter_state = HNS3_NIC_CONFIGURED;
-               rte_spinlock_unlock(&hw->lock);
-               return ret;
-       }
+       if (ret)
+               goto start_all_rxqs_fail;
 
        hw->adapter_state = HNS3_NIC_STARTED;
        rte_spinlock_unlock(&hw->lock);
@@ -2304,6 +2304,15 @@ hns3vf_dev_start(struct rte_eth_dev *dev)
         */
        hns3_start_tqps(hw);
 
+       return ret;
+
+start_all_rxqs_fail:
+       hns3_stop_all_txqs(dev);
+map_rx_inter_err:
+       (void)hns3vf_do_stop(hns);
+       hw->adapter_state = HNS3_NIC_CONFIGURED;
+       rte_spinlock_unlock(&hw->lock);
+
        return ret;
 }
 
@@ -2825,6 +2834,7 @@ hns3vf_dev_init(struct rte_eth_dev *eth_dev)
        hw->adapter_state = HNS3_NIC_UNINITIALIZED;
        hns->is_vf = true;
        hw->data = eth_dev->data;
+       hns3_parse_devargs(eth_dev);
 
        ret = hns3_reset_init(hw);
        if (ret)
@@ -2953,3 +2963,6 @@ static struct rte_pci_driver rte_hns3vf_pmd = {
 RTE_PMD_REGISTER_PCI(net_hns3_vf, rte_hns3vf_pmd);
 RTE_PMD_REGISTER_PCI_TABLE(net_hns3_vf, pci_id_hns3vf_map);
 RTE_PMD_REGISTER_KMOD_DEP(net_hns3_vf, "* igb_uio | vfio-pci");
+RTE_PMD_REGISTER_PARAM_STRING(net_hns3_vf,
+               HNS3_DEVARG_RX_FUNC_HINT "=vec|sve|simple|common "
+               HNS3_DEVARG_TX_FUNC_HINT "=vec|sve|simple|common ");