net/cnxk: add TM capabilities and queue rate limit handlers
[dpdk.git] / drivers / net / hns3 / hns3_ethdev.c
index 3699b56..7d37004 100644 (file)
@@ -103,6 +103,7 @@ static int hns3_restore_fec(struct hns3_hw *hw);
 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)
@@ -317,6 +318,7 @@ hns3_interrupt_handler(void *param)
        vector0_int = hns3_read_dev(hw, HNS3_VECTOR0_OTHER_INT_STS_REG);
        ras_int = hns3_read_dev(hw, HNS3_RAS_PF_OTHER_INT_STS_REG);
        cmdq_int = hns3_read_dev(hw, HNS3_VECTOR0_CMDQ_SRC_REG);
+       hns3_clear_event_cause(hw, event_cause, clearval);
        /* vector 0 interrupt is shared with reset and mailbox source events. */
        if (event_cause == HNS3_VECTOR0_EVENT_ERR) {
                hns3_warn(hw, "received interrupt: vector0_int_stat:0x%x "
@@ -335,7 +337,6 @@ hns3_interrupt_handler(void *param)
                          vector0_int, ras_int, cmdq_int);
        }
 
-       hns3_clear_event_cause(hw, event_cause, clearval);
        /* Enable interrupt if it is not cause by reset */
        hns3_pf_enable_irq0(hw);
 }
@@ -2437,14 +2438,11 @@ hns3_check_link_speed(struct hns3_hw *hw, uint32_t link_speeds)
        /*
         * Some hardware doesn't support auto-negotiation, but users may not
         * configure link_speeds (default 0), which means auto-negotiation.
-        * In this case, a warning message need to be printed, instead of
-        * an error.
+        * In this case, it should return success.
         */
        if (link_speeds == ETH_LINK_SPEED_AUTONEG &&
-           hw->mac.support_autoneg == 0) {
-               hns3_warn(hw, "auto-negotiation is not supported, use default fixed speed!");
+           hw->mac.support_autoneg == 0)
                return 0;
-       }
 
        if (link_speeds != ETH_LINK_SPEED_AUTONEG) {
                ret = hns3_check_port_speed(hw, link_speeds);
@@ -2926,6 +2924,88 @@ out:
        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)
 {
@@ -5295,6 +5375,7 @@ hns3_uninit_pf(struct rte_eth_dev *eth_dev)
        hns3_rss_uninit(hns);
        (void)hns3_config_gro(hw, false);
        hns3_promisc_uninit(hw);
+       hns3_flow_uninit(eth_dev);
        hns3_fdir_filter_uninit(hns);
        hns3_uninit_umv_space(hw);
        hns3_tqp_stats_uninit(hw);
@@ -5515,10 +5596,13 @@ hns3_set_fiber_port_link_speed(struct hns3_hw *hw,
        /*
         * Some hardware doesn't support auto-negotiation, but users may not
         * configure link_speeds (default 0), which means auto-negotiation.
-        * In this case, it should return success.
+        * In this case, a warning message need to be printed, instead of
+        * an error.
         */
-       if (cfg->autoneg)
+       if (cfg->autoneg) {
+               hns3_warn(hw, "auto-negotiation is not supported, use default fixed speed!");
                return 0;
+       }
 
        return hns3_cfg_mac_speed_dup(hw, cfg->speed, cfg->duplex);
 }
@@ -5575,6 +5659,7 @@ static int
 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);
@@ -5599,7 +5684,8 @@ hns3_do_start(struct hns3_adapter *hns, bool reset_queue)
                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;
@@ -5730,6 +5816,7 @@ hns3_dev_start(struct rte_eth_dev *dev)
 {
        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();
@@ -5739,12 +5826,17 @@ hns3_dev_start(struct rte_eth_dev *dev)
        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;
@@ -5800,6 +5892,8 @@ start_all_rxqs_fail:
        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);
 
@@ -5918,11 +6012,8 @@ hns3_dev_close(struct rte_eth_dev *eth_dev)
        struct hns3_hw *hw = &hns->hw;
        int ret = 0;
 
-       if (rte_eal_process_type() != RTE_PROC_PRIMARY) {
-               rte_free(eth_dev->process_private);
-               eth_dev->process_private = NULL;
+       if (rte_eal_process_type() != RTE_PROC_PRIMARY)
                return 0;
-       }
 
        if (hw->adapter_state == HNS3_NIC_STARTED)
                ret = hns3_dev_stop(eth_dev);
@@ -5937,8 +6028,6 @@ hns3_dev_close(struct rte_eth_dev *eth_dev)
        hns3_uninit_pf(eth_dev);
        hns3_free_all_queues(eth_dev);
        rte_free(hw->reset.wait_data);
-       rte_free(eth_dev->process_private);
-       eth_dev->process_private = NULL;
        hns3_mp_uninit_primary();
        hns3_warn(hw, "Close port %u finished", hw->data->port_id);
 
@@ -7349,6 +7438,8 @@ static const struct eth_dev_ops hns3_eth_dev_ops = {
        .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,
@@ -7398,15 +7489,6 @@ hns3_dev_init(struct rte_eth_dev *eth_dev)
 
        PMD_INIT_FUNC_TRACE();
 
-       eth_dev->process_private = (struct hns3_process_private *)
-           rte_zmalloc_socket("hns3_filter_list",
-                              sizeof(struct hns3_process_private),
-                              RTE_CACHE_LINE_SIZE, eth_dev->device->numa_node);
-       if (eth_dev->process_private == NULL) {
-               PMD_INIT_LOG(ERR, "Failed to alloc memory for process private");
-               return -ENOMEM;
-       }
-
        hns3_flow_init(eth_dev);
 
        hns3_set_rxtx_function(eth_dev);
@@ -7510,8 +7592,6 @@ err_mp_init_secondary:
        eth_dev->tx_pkt_burst = NULL;
        eth_dev->tx_pkt_prepare = NULL;
        eth_dev->tx_descriptor_status = NULL;
-       rte_free(eth_dev->process_private);
-       eth_dev->process_private = NULL;
        return ret;
 }
 
@@ -7523,11 +7603,8 @@ hns3_dev_uninit(struct rte_eth_dev *eth_dev)
 
        PMD_INIT_FUNC_TRACE();
 
-       if (rte_eal_process_type() != RTE_PROC_PRIMARY) {
-               rte_free(eth_dev->process_private);
-               eth_dev->process_private = NULL;
+       if (rte_eal_process_type() != RTE_PROC_PRIMARY)
                return 0;
-       }
 
        if (hw->adapter_state < HNS3_NIC_CLOSING)
                hns3_dev_close(eth_dev);