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dpdk/0254-net-hns3-refactor-multi-process-initialization.patch
speech_white 36cb6916fb synchronize dmadev and refactor for hns3 PMD 
Signed-off-by: speech_white <humin29@huawei.com>
2021-11-12 10:47:55 +08:00

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From 8388c42414d8f33ba97b01cbe4bf4e945a9819b4 Mon Sep 17 00:00:00 2001
From: Huisong Li <lihuisong@huawei.com>
Date: Tue, 2 Nov 2021 09:38:29 +0800
Subject: [PATCH 21/33] net/hns3: refactor multi-process initialization
Currently, the logic of the PF and VF initialization codes for multiple
process is the same. A common function can be extracted to initialize
and unload multiple process.
Signed-off-by: Huisong Li <lihuisong@huawei.com>
Signed-off-by: Min Hu (Connor) <humin29@huawei.com>
---
drivers/net/hns3/hns3_ethdev.c | 34 +++++------------
drivers/net/hns3/hns3_ethdev_vf.c | 33 +++++-----------
drivers/net/hns3/hns3_mp.c | 62 ++++++++++++++++++++++++-------
drivers/net/hns3/hns3_mp.h | 6 +--
4 files changed, 68 insertions(+), 67 deletions(-)
diff --git a/drivers/net/hns3/hns3_ethdev.c b/drivers/net/hns3/hns3_ethdev.c
index b4f375bf2..ecf912a9f 100644
--- a/drivers/net/hns3/hns3_ethdev.c
+++ b/drivers/net/hns3/hns3_ethdev.c
@@ -5895,8 +5895,7 @@ hns3_dev_close(struct rte_eth_dev *eth_dev)
int ret = 0;
if (rte_eal_process_type() != RTE_PROC_PRIMARY) {
- __atomic_fetch_sub(&hw->secondary_cnt, 1, __ATOMIC_RELAXED);
- hns3_mp_uninit();
+ hns3_mp_uninit(eth_dev);
return 0;
}
@@ -5913,7 +5912,7 @@ 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);
- hns3_mp_uninit();
+ hns3_mp_uninit(eth_dev);
hns3_warn(hw, "Close port %u finished", hw->data->port_id);
return ret;
@@ -7417,28 +7416,15 @@ hns3_dev_init(struct rte_eth_dev *eth_dev)
hns3_set_rxtx_function(eth_dev);
eth_dev->dev_ops = &hns3_eth_dev_ops;
eth_dev->rx_queue_count = hns3_rx_queue_count;
+ ret = hns3_mp_init(eth_dev);
+ if (ret)
+ goto err_mp_init;
+
if (rte_eal_process_type() != RTE_PROC_PRIMARY) {
- ret = hns3_mp_init_secondary();
- if (ret) {
- PMD_INIT_LOG(ERR, "Failed to init for secondary "
- "process, ret = %d", ret);
- goto err_mp_init_secondary;
- }
- __atomic_fetch_add(&hw->secondary_cnt, 1, __ATOMIC_RELAXED);
- process_data.eth_dev_cnt++;
hns3_tx_push_init(eth_dev);
return 0;
}
- ret = hns3_mp_init_primary();
- if (ret) {
- PMD_INIT_LOG(ERR,
- "Failed to init for primary process, ret = %d",
- ret);
- goto err_mp_init_primary;
- }
- process_data.eth_dev_cnt++;
-
hw->adapter_state = HNS3_NIC_UNINITIALIZED;
hns->is_vf = false;
hw->data = eth_dev->data;
@@ -7508,10 +7494,9 @@ hns3_dev_init(struct rte_eth_dev *eth_dev)
rte_free(hw->reset.wait_data);
err_init_reset:
- hns3_mp_uninit();
+ hns3_mp_uninit(eth_dev);
-err_mp_init_primary:
-err_mp_init_secondary:
+err_mp_init:
eth_dev->dev_ops = NULL;
eth_dev->rx_pkt_burst = NULL;
eth_dev->rx_descriptor_status = NULL;
@@ -7530,8 +7515,7 @@ hns3_dev_uninit(struct rte_eth_dev *eth_dev)
PMD_INIT_FUNC_TRACE();
if (rte_eal_process_type() != RTE_PROC_PRIMARY) {
- __atomic_fetch_sub(&hw->secondary_cnt, 1, __ATOMIC_RELAXED);
- hns3_mp_uninit();
+ hns3_mp_uninit(eth_dev);
return 0;
}
diff --git a/drivers/net/hns3/hns3_ethdev_vf.c b/drivers/net/hns3/hns3_ethdev_vf.c
index ac0dcbe36..1e0cb1b63 100644
--- a/drivers/net/hns3/hns3_ethdev_vf.c
+++ b/drivers/net/hns3/hns3_ethdev_vf.c
@@ -1922,8 +1922,7 @@ hns3vf_dev_close(struct rte_eth_dev *eth_dev)
int ret = 0;
if (rte_eal_process_type() != RTE_PROC_PRIMARY) {
- __atomic_fetch_sub(&hw->secondary_cnt, 1, __ATOMIC_RELAXED);
- hns3_mp_uninit();
+ hns3_mp_uninit(eth_dev);
return 0;
}
@@ -1939,7 +1938,7 @@ hns3vf_dev_close(struct rte_eth_dev *eth_dev)
hns3vf_uninit_vf(eth_dev);
hns3_free_all_queues(eth_dev);
rte_free(hw->reset.wait_data);
- hns3_mp_uninit();
+ hns3_mp_uninit(eth_dev);
hns3_warn(hw, "Close port %u finished", hw->data->port_id);
return ret;
@@ -2706,28 +2705,15 @@ hns3vf_dev_init(struct rte_eth_dev *eth_dev)
hns3_set_rxtx_function(eth_dev);
eth_dev->dev_ops = &hns3vf_eth_dev_ops;
eth_dev->rx_queue_count = hns3_rx_queue_count;
+ ret = hns3_mp_init(eth_dev);
+ if (ret)
+ goto err_mp_init;
+
if (rte_eal_process_type() != RTE_PROC_PRIMARY) {
- ret = hns3_mp_init_secondary();
- if (ret) {
- PMD_INIT_LOG(ERR, "Failed to init for secondary "
- "process, ret = %d", ret);
- goto err_mp_init_secondary;
- }
- __atomic_fetch_add(&hw->secondary_cnt, 1, __ATOMIC_RELAXED);
- process_data.eth_dev_cnt++;
hns3_tx_push_init(eth_dev);
return 0;
}
- ret = hns3_mp_init_primary();
- if (ret) {
- PMD_INIT_LOG(ERR,
- "Failed to init for primary process, ret = %d",
- ret);
- goto err_mp_init_primary;
- }
- process_data.eth_dev_cnt++;
-
hw->adapter_state = HNS3_NIC_UNINITIALIZED;
hns->is_vf = true;
hw->data = eth_dev->data;
@@ -2795,10 +2781,9 @@ hns3vf_dev_init(struct rte_eth_dev *eth_dev)
rte_free(hw->reset.wait_data);
err_init_reset:
- hns3_mp_uninit();
+ hns3_mp_uninit(eth_dev);
-err_mp_init_primary:
-err_mp_init_secondary:
+err_mp_init:
eth_dev->dev_ops = NULL;
eth_dev->rx_pkt_burst = NULL;
eth_dev->rx_descriptor_status = NULL;
@@ -2819,7 +2804,7 @@ hns3vf_dev_uninit(struct rte_eth_dev *eth_dev)
if (rte_eal_process_type() != RTE_PROC_PRIMARY) {
__atomic_fetch_sub(&hw->secondary_cnt, 1, __ATOMIC_RELAXED);
- hns3_mp_uninit();
+ hns3_mp_uninit(eth_dev);
return 0;
}
diff --git a/drivers/net/hns3/hns3_mp.c b/drivers/net/hns3/hns3_mp.c
index 2ecb16861..63d22bcd3 100644
--- a/drivers/net/hns3/hns3_mp.c
+++ b/drivers/net/hns3/hns3_mp.c
@@ -13,7 +13,7 @@
#include "hns3_mp.h"
/* local data for primary or secondary process. */
-struct hns3_process_local_data process_data;
+static struct hns3_process_local_data process_data;
/*
* Initialize IPC message.
@@ -227,7 +227,8 @@ hns3_mp_req_start_tx(struct rte_eth_dev *dev)
/*
* Initialize by primary process.
*/
-int hns3_mp_init_primary(void)
+static int
+hns3_mp_init_primary(void)
{
int ret;
@@ -244,20 +245,11 @@ int hns3_mp_init_primary(void)
return 0;
}
-void hns3_mp_uninit(void)
-{
- process_data.eth_dev_cnt--;
-
- if (process_data.eth_dev_cnt == 0) {
- rte_mp_action_unregister(HNS3_MP_NAME);
- process_data.init_done = false;
- }
-}
-
/*
* Initialize by secondary process.
*/
-int hns3_mp_init_secondary(void)
+static int
+hns3_mp_init_secondary(void)
{
int ret;
@@ -265,10 +257,52 @@ int hns3_mp_init_secondary(void)
return 0;
ret = rte_mp_action_register(HNS3_MP_NAME, mp_secondary_handle);
- if (ret)
+ if (ret && rte_errno != ENOTSUP)
return ret;
process_data.init_done = true;
return 0;
}
+
+int
+hns3_mp_init(struct rte_eth_dev *dev)
+{
+ struct hns3_hw *hw = HNS3_DEV_PRIVATE_TO_HW(dev->data->dev_private);
+ int ret;
+
+ if (rte_eal_process_type() != RTE_PROC_PRIMARY) {
+ ret = hns3_mp_init_secondary();
+ if (ret) {
+ PMD_INIT_LOG(ERR, "Failed to init for secondary process, ret = %d",
+ ret);
+ return ret;
+ }
+ __atomic_fetch_add(&hw->secondary_cnt, 1, __ATOMIC_RELAXED);
+ } else {
+ ret = hns3_mp_init_primary();
+ if (ret) {
+ PMD_INIT_LOG(ERR, "Failed to init for primary process, ret = %d",
+ ret);
+ return ret;
+ }
+ }
+
+ process_data.eth_dev_cnt++;
+
+ return 0;
+}
+
+void hns3_mp_uninit(struct rte_eth_dev *dev)
+{
+ struct hns3_hw *hw = HNS3_DEV_PRIVATE_TO_HW(dev->data->dev_private);
+
+ if (rte_eal_process_type() != RTE_PROC_PRIMARY)
+ __atomic_fetch_sub(&hw->secondary_cnt, 1, __ATOMIC_RELAXED);
+
+ process_data.eth_dev_cnt--;
+ if (process_data.eth_dev_cnt == 0) {
+ rte_mp_action_unregister(HNS3_MP_NAME);
+ process_data.init_done = false;
+ }
+}
diff --git a/drivers/net/hns3/hns3_mp.h b/drivers/net/hns3/hns3_mp.h
index 5738ab74a..a74221d08 100644
--- a/drivers/net/hns3/hns3_mp.h
+++ b/drivers/net/hns3/hns3_mp.h
@@ -10,15 +10,13 @@ struct hns3_process_local_data {
bool init_done; /* Process action register completed flag. */
int eth_dev_cnt; /* Ethdev count under the current process. */
};
-extern struct hns3_process_local_data process_data;
void hns3_mp_req_start_rxtx(struct rte_eth_dev *dev);
void hns3_mp_req_stop_rxtx(struct rte_eth_dev *dev);
void hns3_mp_req_start_tx(struct rte_eth_dev *dev);
void hns3_mp_req_stop_tx(struct rte_eth_dev *dev);
-int hns3_mp_init_primary(void);
-void hns3_mp_uninit(void);
-int hns3_mp_init_secondary(void);
+int hns3_mp_init(struct rte_eth_dev *dev);
+void hns3_mp_uninit(struct rte_eth_dev *dev);
#endif /* _HNS3_MP_H_ */
--
2.33.0
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