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dpdk/0236-net-hns3-extract-common-functions-to-set-Rx-Tx.patch
chenjiji09 c9550b9870 refactor Rc/Tx function of hns3 PMD 
And patchs are as follows:
 - net/hns3: fix burst mode query with dummy function
 - net/hns3: add debug info for Rx/Tx dummy function
 - net/hns3: remove debug condition for Tx prepare
 - net/hns3: separate Tx prepare from getting Tx function
 - net/hns3: make getting Tx function static
 - net/hns3: extract common functions to set Rx/Tx
2023-03-02 18:43:53 +08:00

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From a83eecfe38a20bbfa51a108f62d55d6189e943d7 Mon Sep 17 00:00:00 2001
From: Huisong Li <lihuisong@huawei.com>
Date: Sat, 11 Feb 2023 17:18:30 +0800
Subject: net/hns3: extract common functions to set Rx/Tx
[ upstream commit 4ba28c957a16bbfe5b2a8d49dfda1c85387d7602 ]
Extract two common functions to set Rx/Tx function in order to
reduce duplicate codes.
Fixes: 23d4b61fee5d ("net/hns3: support multiple process")
Cc: stable@dpdk.org
Signed-off-by: Huisong Li <lihuisong@huawei.com>
Signed-off-by: Dongdong Liu <liudongdong3@huawei.com>
---
drivers/net/hns3/hns3_ethdev.c | 20 ++++----------------
drivers/net/hns3/hns3_ethdev_vf.c | 19 ++++---------------
drivers/net/hns3/hns3_mp.c | 4 ++--
drivers/net/hns3/hns3_rxtx.c | 28 ++++++++++++++++++++++++++++
drivers/net/hns3/hns3_rxtx.h | 2 ++
5 files changed, 40 insertions(+), 33 deletions(-)
diff --git a/drivers/net/hns3/hns3_ethdev.c b/drivers/net/hns3/hns3_ethdev.c
index 8fa12d91bb..1c67ff2c99 100644
--- a/drivers/net/hns3/hns3_ethdev.c
+++ b/drivers/net/hns3/hns3_ethdev.c
@@ -5052,8 +5052,7 @@ hns3_dev_start(struct rte_eth_dev *dev)
rte_spinlock_unlock(&hw->lock);
hns3_rx_scattered_calc(dev);
- hns3_set_rxtx_function(dev);
- hns3_mp_req_start_rxtx(dev);
+ hns3_start_rxtx_datapath(dev);
/* Enable interrupt of all rx queues before enabling queues */
hns3_dev_all_rx_queue_intr_enable(hw, true);
@@ -5131,12 +5130,7 @@ hns3_dev_stop(struct rte_eth_dev *dev)
dev->data->dev_started = 0;
hw->adapter_state = HNS3_NIC_STOPPING;
- hns3_set_rxtx_function(dev);
- rte_wmb();
- /* Disable datapath on secondary process. */
- hns3_mp_req_stop_rxtx(dev);
- /* Prevent crashes when queues are still in use. */
- rte_delay_ms(hw->cfg_max_queues);
+ hns3_stop_rxtx_datapath(dev);
rte_spinlock_lock(&hw->lock);
if (__atomic_load_n(&hw->reset.resetting, __ATOMIC_RELAXED) == 0) {
@@ -5752,12 +5746,7 @@ hns3_stop_service(struct hns3_adapter *hns)
rte_eal_alarm_cancel(hns3_service_handler, eth_dev);
hns3_update_linkstatus_and_event(hw, false);
}
-
- hns3_set_rxtx_function(eth_dev);
- rte_wmb();
- /* Disable datapath on secondary process. */
- hns3_mp_req_stop_rxtx(eth_dev);
- rte_delay_ms(hw->cfg_max_queues);
+ hns3_stop_rxtx_datapath(eth_dev);
rte_spinlock_lock(&hw->lock);
if (hns->hw.adapter_state == HNS3_NIC_STARTED ||
@@ -5790,8 +5779,7 @@ hns3_start_service(struct hns3_adapter *hns)
hw->reset.level == HNS3_GLOBAL_RESET)
hns3_set_rst_done(hw);
eth_dev = &rte_eth_devices[hw->data->port_id];
- hns3_set_rxtx_function(eth_dev);
- hns3_mp_req_start_rxtx(eth_dev);
+ hns3_start_rxtx_datapath(eth_dev);
if (hw->adapter_state == HNS3_NIC_STARTED) {
/*
* This API parent function already hold the hns3_hw.lock, the
diff --git a/drivers/net/hns3/hns3_ethdev_vf.c b/drivers/net/hns3/hns3_ethdev_vf.c
index a3a1b71a63..3a93987409 100644
--- a/drivers/net/hns3/hns3_ethdev_vf.c
+++ b/drivers/net/hns3/hns3_ethdev_vf.c
@@ -1572,12 +1572,7 @@ hns3vf_dev_stop(struct rte_eth_dev *dev)
dev->data->dev_started = 0;
hw->adapter_state = HNS3_NIC_STOPPING;
- hns3_set_rxtx_function(dev);
- rte_wmb();
- /* Disable datapath on secondary process. */
- hns3_mp_req_stop_rxtx(dev);
- /* Prevent crashes when queues are still in use. */
- rte_delay_ms(hw->cfg_max_queues);
+ hns3_stop_rxtx_datapath(dev);
rte_spinlock_lock(&hw->lock);
if (__atomic_load_n(&hw->reset.resetting, __ATOMIC_RELAXED) == 0) {
@@ -1731,8 +1726,7 @@ hns3vf_dev_start(struct rte_eth_dev *dev)
rte_spinlock_unlock(&hw->lock);
hns3_rx_scattered_calc(dev);
- hns3_set_rxtx_function(dev);
- hns3_mp_req_start_rxtx(dev);
+ hns3_start_rxtx_datapath(dev);
/* Enable interrupt of all rx queues before enabling queues */
hns3_dev_all_rx_queue_intr_enable(hw, true);
@@ -1902,11 +1896,7 @@ hns3vf_stop_service(struct hns3_adapter *hns)
}
hw->mac.link_status = RTE_ETH_LINK_DOWN;
- hns3_set_rxtx_function(eth_dev);
- rte_wmb();
- /* Disable datapath on secondary process. */
- hns3_mp_req_stop_rxtx(eth_dev);
- rte_delay_ms(hw->cfg_max_queues);
+ hns3_stop_rxtx_datapath(eth_dev);
rte_spinlock_lock(&hw->lock);
if (hw->adapter_state == HNS3_NIC_STARTED ||
@@ -1938,8 +1928,7 @@ hns3vf_start_service(struct hns3_adapter *hns)
struct rte_eth_dev *eth_dev;
eth_dev = &rte_eth_devices[hw->data->port_id];
- hns3_set_rxtx_function(eth_dev);
- hns3_mp_req_start_rxtx(eth_dev);
+ hns3_start_rxtx_datapath(eth_dev);
rte_eal_alarm_set(HNS3VF_KEEP_ALIVE_INTERVAL, hns3vf_keep_alive_handler,
eth_dev);
diff --git a/drivers/net/hns3/hns3_mp.c b/drivers/net/hns3/hns3_mp.c
index e74ddea195..c3005b943f 100644
--- a/drivers/net/hns3/hns3_mp.c
+++ b/drivers/net/hns3/hns3_mp.c
@@ -87,12 +87,12 @@ mp_secondary_handle(const struct rte_mp_msg *mp_msg, const void *peer)
case HNS3_MP_REQ_START_RXTX:
PMD_INIT_LOG(INFO, "port %u starting datapath",
dev->data->port_id);
- hns3_set_rxtx_function(dev);
+ hns3_start_rxtx_datapath(dev);
break;
case HNS3_MP_REQ_STOP_RXTX:
PMD_INIT_LOG(INFO, "port %u stopping datapath",
dev->data->port_id);
- hns3_set_rxtx_function(dev);
+ hns3_stop_rxtx_datapath(dev);
break;
case HNS3_MP_REQ_START_TX:
PMD_INIT_LOG(INFO, "port %u starting Tx datapath",
diff --git a/drivers/net/hns3/hns3_rxtx.c b/drivers/net/hns3/hns3_rxtx.c
index b5e7ba7325..1f44c0345f 100644
--- a/drivers/net/hns3/hns3_rxtx.c
+++ b/drivers/net/hns3/hns3_rxtx.c
@@ -4765,3 +4765,31 @@ hns3_start_tx_datapath(struct rte_eth_dev *dev)
hns3_mp_req_start_tx(dev);
}
+
+void
+hns3_stop_rxtx_datapath(struct rte_eth_dev *dev)
+{
+ struct hns3_hw *hw = HNS3_DEV_PRIVATE_TO_HW(dev->data->dev_private);
+
+ hns3_set_rxtx_function(dev);
+
+ if (rte_eal_process_type() == RTE_PROC_SECONDARY)
+ return;
+
+ rte_wmb();
+ /* Disable datapath on secondary process. */
+ hns3_mp_req_stop_rxtx(dev);
+ /* Prevent crashes when queues are still in use. */
+ rte_delay_ms(hw->cfg_max_queues);
+}
+
+void
+hns3_start_rxtx_datapath(struct rte_eth_dev *dev)
+{
+ hns3_set_rxtx_function(dev);
+
+ if (rte_eal_process_type() == RTE_PROC_SECONDARY)
+ return;
+
+ hns3_mp_req_start_rxtx(dev);
+}
diff --git a/drivers/net/hns3/hns3_rxtx.h b/drivers/net/hns3/hns3_rxtx.h
index 1bdc124b7b..fa39f6481a 100644
--- a/drivers/net/hns3/hns3_rxtx.h
+++ b/drivers/net/hns3/hns3_rxtx.h
@@ -773,5 +773,7 @@ int hns3_dev_tx_descriptor_status(void *tx_queue, uint16_t offset);
void hns3_tx_push_init(struct rte_eth_dev *dev);
void hns3_stop_tx_datapath(struct rte_eth_dev *dev);
void hns3_start_tx_datapath(struct rte_eth_dev *dev);
+void hns3_stop_rxtx_datapath(struct rte_eth_dev *dev);
+void hns3_start_rxtx_datapath(struct rte_eth_dev *dev);
#endif /* HNS3_RXTX_H */
--
2.23.0
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