X-Git-Url: http://git.droids-corp.org/?a=blobdiff_plain;f=drivers%2Fnet%2Fhns3%2Fhns3_rxtx.c;h=481872e3957f8b6105b4441fa1e3e9ec78040737;hb=f787952d13d20b7eceaf6d1742ea591239b63ba1;hp=7d8176fac18189f255fec08a1c430d6535818c9f;hpb=69f9b420d858ddbecb8d05c17fe77dbaf76df187;p=dpdk.git

diff --git a/drivers/net/hns3/hns3_rxtx.c b/drivers/net/hns3/hns3_rxtx.c
index 7d8176fac1..481872e395 100644
--- a/drivers/net/hns3/hns3_rxtx.c
+++ b/drivers/net/hns3/hns3_rxtx.c
@@ -20,6 +20,7 @@
 #include "hns3_rxtx.h"
 #include "hns3_regs.h"
 #include "hns3_logs.h"
+#include "hns3_mp.h"
 
 #define HNS3_CFG_DESC_NUM(num)	((num) / 8 - 1)
 #define HNS3_RX_RING_PREFETCTH_MASK	3
@@ -696,7 +697,7 @@ hns3_reset_rcb_cmd(struct hns3_hw *hw, uint8_t *reset_status)
 
 	hns3_cmd_setup_basic_desc(&desc, HNS3_OPC_CFG_RST_TRIGGER, false);
 	req = (struct hns3_reset_cmd *)desc.data;
-	hns3_set_bit(req->mac_func_reset, HNS3_CFG_RESET_RCB_B, 1);
+	hns3_set_bit(req->fun_reset_rcb, HNS3_CFG_RESET_RCB_B, 1);
 
 	/*
 	 * The start qid should be the global qid of the first tqp of the
@@ -4372,6 +4373,7 @@ hns3_trace_rxtx_function(struct rte_eth_dev *dev)
 
 void hns3_set_rxtx_function(struct rte_eth_dev *eth_dev)
 {
+	struct hns3_hw *hw = HNS3_DEV_PRIVATE_TO_HW(eth_dev->data->dev_private);
 	struct hns3_adapter *hns = eth_dev->data->dev_private;
 	eth_tx_prep_t prep = NULL;
 
@@ -4379,7 +4381,9 @@ void hns3_set_rxtx_function(struct rte_eth_dev *eth_dev)
 	    __atomic_load_n(&hns->hw.reset.resetting, __ATOMIC_RELAXED) == 0) {
 		eth_dev->rx_pkt_burst = hns3_get_rx_function(eth_dev);
 		eth_dev->rx_descriptor_status = hns3_dev_rx_descriptor_status;
-		eth_dev->tx_pkt_burst = hns3_get_tx_function(eth_dev, &prep);
+		eth_dev->tx_pkt_burst = hw->set_link_down ?
+					hns3_dummy_rxtx_burst :
+					hns3_get_tx_function(eth_dev, &prep);
 		eth_dev->tx_pkt_prepare = prep;
 		eth_dev->tx_descriptor_status = hns3_dev_tx_descriptor_status;
 		hns3_trace_rxtx_function(eth_dev);
@@ -4703,3 +4707,25 @@ hns3_enable_rxd_adv_layout(struct hns3_hw *hw)
 	if (hns3_dev_rxd_adv_layout_supported(hw))
 		hns3_write_dev(hw, HNS3_RXD_ADV_LAYOUT_EN_REG, 1);
 }
+
+void
+hns3_stop_tx_datapath(struct rte_eth_dev *dev)
+{
+	dev->tx_pkt_burst = hns3_dummy_rxtx_burst;
+	dev->tx_pkt_prepare = NULL;
+	rte_wmb();
+	/* Disable tx datapath on secondary process. */
+	hns3_mp_req_stop_tx(dev);
+	/* Prevent crashes when queues are still in use. */
+	rte_delay_ms(dev->data->nb_tx_queues);
+}
+
+void
+hns3_start_tx_datapath(struct rte_eth_dev *dev)
+{
+	eth_tx_prep_t prep = NULL;
+
+	dev->tx_pkt_burst = hns3_get_tx_function(dev, &prep);
+	dev->tx_pkt_prepare = prep;
+	hns3_mp_req_start_tx(dev);
+}