[dpdk-dev] [PATCH 3/6] net/hns3: fix incorrect fake queue rollback
Min Hu (Connor)
humin29 at huawei.com
Sun Jun 13 04:31:53 CEST 2021
From: Huisong Li <lihuisong at huawei.com>
When the device supports independent Rx/Tx queues, fake queues do not need
to be created in unequal Rx/Tx queues case. However, dev_configure fails
to be executed on the device supported independent Rx/Tx queues, the
current rollback code logic contains the fake queue. As a result, the fake
queue is created. When dev_configure is successfully called again, these
fake queues still exists and are configured to the hardware.
Fixes: fa29fe45a7b4 ("net/hns3: support queue start and stop")
Cc: stable at dpdk.org
Signed-off-by: Huisong Li <lihuisong at huawei.com>
Signed-off-by: Min Hu (Connor) <humin29 at huawei.com>
---
drivers/net/hns3/hns3_ethdev.c | 11 ++++-------
drivers/net/hns3/hns3_ethdev_vf.c | 11 ++++-------
drivers/net/hns3/hns3_rxtx.c | 3 +++
3 files changed, 11 insertions(+), 14 deletions(-)
diff --git a/drivers/net/hns3/hns3_ethdev.c b/drivers/net/hns3/hns3_ethdev.c
index 32719ff..7b0e938 100644
--- a/drivers/net/hns3/hns3_ethdev.c
+++ b/drivers/net/hns3/hns3_ethdev.c
@@ -2497,13 +2497,10 @@ hns3_dev_configure(struct rte_eth_dev *dev)
* work as usual. But these fake queues are imperceptible, and can not
* be used by upper applications.
*/
- if (!hns3_dev_indep_txrx_supported(hw)) {
- ret = hns3_set_fake_rx_or_tx_queues(dev, nb_rx_q, nb_tx_q);
- if (ret) {
- hns3_err(hw, "fail to set Rx/Tx fake queues, ret = %d.",
- ret);
- return ret;
- }
+ ret = hns3_set_fake_rx_or_tx_queues(dev, nb_rx_q, nb_tx_q);
+ if (ret) {
+ hns3_err(hw, "fail to set Rx/Tx fake queues, ret = %d.", ret);
+ return ret;
}
hw->adapter_state = HNS3_NIC_CONFIGURING;
diff --git a/drivers/net/hns3/hns3_ethdev_vf.c b/drivers/net/hns3/hns3_ethdev_vf.c
index a198d07..e4908de 100644
--- a/drivers/net/hns3/hns3_ethdev_vf.c
+++ b/drivers/net/hns3/hns3_ethdev_vf.c
@@ -801,13 +801,10 @@ hns3vf_dev_configure(struct rte_eth_dev *dev)
* work as usual. But these fake queues are imperceptible, and can not
* be used by upper applications.
*/
- if (!hns3_dev_indep_txrx_supported(hw)) {
- ret = hns3_set_fake_rx_or_tx_queues(dev, nb_rx_q, nb_tx_q);
- if (ret) {
- hns3_err(hw, "fail to set Rx/Tx fake queues, ret = %d.",
- ret);
- return ret;
- }
+ ret = hns3_set_fake_rx_or_tx_queues(dev, nb_rx_q, nb_tx_q);
+ if (ret) {
+ hns3_err(hw, "fail to set Rx/Tx fake queues, ret = %d.", ret);
+ return ret;
}
hw->adapter_state = HNS3_NIC_CONFIGURING;
diff --git a/drivers/net/hns3/hns3_rxtx.c b/drivers/net/hns3/hns3_rxtx.c
index 88d4fc0..0f80d16 100644
--- a/drivers/net/hns3/hns3_rxtx.c
+++ b/drivers/net/hns3/hns3_rxtx.c
@@ -1617,6 +1617,9 @@ hns3_set_fake_rx_or_tx_queues(struct rte_eth_dev *dev, uint16_t nb_rx_q,
uint16_t q;
int ret;
+ if (hns3_dev_indep_txrx_supported(hw))
+ return 0;
+
/* Setup new number of fake RX/TX queues and reconfigure device. */
rx_need_add_nb_q = hw->cfg_max_queues - nb_rx_q;
tx_need_add_nb_q = hw->cfg_max_queues - nb_tx_q;
--
2.7.4
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