forked from luck/tmp_suning_uos_patched
net: hns3: re-organize vector handle
To prevent loss user's IRQ affinity configuration when DOWN, this patch moves out release/request operation of the vector handle from net DOWN/UP, just do it when vector resource changes. Signed-off-by: Yonglong Liu <liuyonglong@huawei.com> Signed-off-by: Huazhong Tan <tanhuazhong@huawei.com> Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Yonglong Liu
David S. Miller
parent
698a89541c
commit
08a100689d
|
|
@ -161,6 +161,8 @@ static int hns3_nic_init_irq(struct hns3_nic_priv *priv)
|
|||
return ret;
|
||||
}
|
||||
|
||||
disable_irq(tqp_vectors->vector_irq);
|
||||
|
||||
irq_set_affinity_hint(tqp_vectors->vector_irq,
|
||||
&tqp_vectors->affinity_mask);
|
||||
|
||||
|
|
@ -179,6 +181,7 @@ static void hns3_mask_vector_irq(struct hns3_enet_tqp_vector *tqp_vector,
|
|||
static void hns3_vector_enable(struct hns3_enet_tqp_vector *tqp_vector)
|
||||
{
|
||||
napi_enable(&tqp_vector->napi);
|
||||
enable_irq(tqp_vector->vector_irq);
|
||||
|
||||
/* enable vector */
|
||||
hns3_mask_vector_irq(tqp_vector, 1);
|
||||
|
|
@ -378,18 +381,6 @@ static int hns3_nic_net_up(struct net_device *netdev)
|
|||
if (ret)
|
||||
return ret;
|
||||
|
||||
/* the device can work without cpu rmap, only aRFS needs it */
|
||||
ret = hns3_set_rx_cpu_rmap(netdev);
|
||||
if (ret)
|
||||
netdev_warn(netdev, "set rx cpu rmap fail, ret=%d!\n", ret);
|
||||
|
||||
/* get irq resource for all vectors */
|
||||
ret = hns3_nic_init_irq(priv);
|
||||
if (ret) {
|
||||
netdev_err(netdev, "init irq failed! ret=%d\n", ret);
|
||||
goto free_rmap;
|
||||
}
|
||||
|
||||
clear_bit(HNS3_NIC_STATE_DOWN, &priv->state);
|
||||
|
||||
/* enable the vectors */
|
||||
|
|
@ -402,22 +393,15 @@ static int hns3_nic_net_up(struct net_device *netdev)
|
|||
|
||||
/* start the ae_dev */
|
||||
ret = h->ae_algo->ops->start ? h->ae_algo->ops->start(h) : 0;
|
||||
if (ret)
|
||||
goto out_start_err;
|
||||
if (ret) {
|
||||
set_bit(HNS3_NIC_STATE_DOWN, &priv->state);
|
||||
while (j--)
|
||||
hns3_tqp_disable(h->kinfo.tqp[j]);
|
||||
|
||||
return 0;
|
||||
for (j = i - 1; j >= 0; j--)
|
||||
hns3_vector_disable(&priv->tqp_vector[j]);
|
||||
}
|
||||
|
||||
out_start_err:
|
||||
set_bit(HNS3_NIC_STATE_DOWN, &priv->state);
|
||||
while (j--)
|
||||
hns3_tqp_disable(h->kinfo.tqp[j]);
|
||||
|
||||
for (j = i - 1; j >= 0; j--)
|
||||
hns3_vector_disable(&priv->tqp_vector[j]);
|
||||
|
||||
hns3_nic_uninit_irq(priv);
|
||||
free_rmap:
|
||||
hns3_free_rx_cpu_rmap(netdev);
|
||||
return ret;
|
||||
}
|
||||
|
||||
|
|
@ -514,11 +498,6 @@ static void hns3_nic_net_down(struct net_device *netdev)
|
|||
if (ops->stop)
|
||||
ops->stop(priv->ae_handle);
|
||||
|
||||
hns3_free_rx_cpu_rmap(netdev);
|
||||
|
||||
/* free irq resources */
|
||||
hns3_nic_uninit_irq(priv);
|
||||
|
||||
/* delay ring buffer clearing to hns3_reset_notify_uninit_enet
|
||||
* during reset process, because driver may not be able
|
||||
* to disable the ring through firmware when downing the netdev.
|
||||
|
|
@ -3642,19 +3621,13 @@ static void hns3_nic_uninit_vector_data(struct hns3_nic_priv *priv)
|
|||
|
||||
hns3_free_vector_ring_chain(tqp_vector, &vector_ring_chain);
|
||||
|
||||
if (tqp_vector->irq_init_flag == HNS3_VECTOR_INITED) {
|
||||
irq_set_affinity_hint(tqp_vector->vector_irq, NULL);
|
||||
free_irq(tqp_vector->vector_irq, tqp_vector);
|
||||
tqp_vector->irq_init_flag = HNS3_VECTOR_NOT_INITED;
|
||||
}
|
||||
|
||||
hns3_clear_ring_group(&tqp_vector->rx_group);
|
||||
hns3_clear_ring_group(&tqp_vector->tx_group);
|
||||
netif_napi_del(&priv->tqp_vector[i].napi);
|
||||
}
|
||||
}
|
||||
|
||||
static int hns3_nic_dealloc_vector_data(struct hns3_nic_priv *priv)
|
||||
static void hns3_nic_dealloc_vector_data(struct hns3_nic_priv *priv)
|
||||
{
|
||||
struct hnae3_handle *h = priv->ae_handle;
|
||||
struct pci_dev *pdev = h->pdev;
|
||||
|
|
@ -3666,11 +3639,10 @@ static int hns3_nic_dealloc_vector_data(struct hns3_nic_priv *priv)
|
|||
tqp_vector = &priv->tqp_vector[i];
|
||||
ret = h->ae_algo->ops->put_vector(h, tqp_vector->vector_irq);
|
||||
if (ret)
|
||||
return ret;
|
||||
return;
|
||||
}
|
||||
|
||||
devm_kfree(&pdev->dev, priv->tqp_vector);
|
||||
return 0;
|
||||
}
|
||||
|
||||
static void hns3_ring_get_cfg(struct hnae3_queue *q, struct hns3_nic_priv *priv,
|
||||
|
|
@ -4069,6 +4041,18 @@ static int hns3_client_init(struct hnae3_handle *handle)
|
|||
goto out_reg_netdev_fail;
|
||||
}
|
||||
|
||||
/* the device can work without cpu rmap, only aRFS needs it */
|
||||
ret = hns3_set_rx_cpu_rmap(netdev);
|
||||
if (ret)
|
||||
dev_warn(priv->dev, "set rx cpu rmap fail, ret=%d\n", ret);
|
||||
|
||||
ret = hns3_nic_init_irq(priv);
|
||||
if (ret) {
|
||||
dev_err(priv->dev, "init irq failed! ret=%d\n", ret);
|
||||
hns3_free_rx_cpu_rmap(netdev);
|
||||
goto out_init_irq_fail;
|
||||
}
|
||||
|
||||
ret = hns3_client_start(handle);
|
||||
if (ret) {
|
||||
dev_err(priv->dev, "hns3_client_start fail! ret=%d\n", ret);
|
||||
|
|
@ -4090,6 +4074,9 @@ static int hns3_client_init(struct hnae3_handle *handle)
|
|||
return ret;
|
||||
|
||||
out_client_start:
|
||||
hns3_free_rx_cpu_rmap(netdev);
|
||||
hns3_nic_uninit_irq(priv);
|
||||
out_init_irq_fail:
|
||||
unregister_netdev(netdev);
|
||||
out_reg_netdev_fail:
|
||||
hns3_uninit_phy(netdev);
|
||||
|
|
@ -4127,15 +4114,17 @@ static void hns3_client_uninit(struct hnae3_handle *handle, bool reset)
|
|||
goto out_netdev_free;
|
||||
}
|
||||
|
||||
hns3_free_rx_cpu_rmap(netdev);
|
||||
|
||||
hns3_nic_uninit_irq(priv);
|
||||
|
||||
hns3_del_all_fd_rules(netdev, true);
|
||||
|
||||
hns3_clear_all_ring(handle, true);
|
||||
|
||||
hns3_nic_uninit_vector_data(priv);
|
||||
|
||||
ret = hns3_nic_dealloc_vector_data(priv);
|
||||
if (ret)
|
||||
netdev_err(netdev, "dealloc vector error\n");
|
||||
hns3_nic_dealloc_vector_data(priv);
|
||||
|
||||
ret = hns3_uninit_all_ring(priv);
|
||||
if (ret)
|
||||
|
|
@ -4462,17 +4451,32 @@ static int hns3_reset_notify_init_enet(struct hnae3_handle *handle)
|
|||
if (ret)
|
||||
goto err_uninit_vector;
|
||||
|
||||
/* the device can work without cpu rmap, only aRFS needs it */
|
||||
ret = hns3_set_rx_cpu_rmap(netdev);
|
||||
if (ret)
|
||||
dev_warn(priv->dev, "set rx cpu rmap fail, ret=%d\n", ret);
|
||||
|
||||
ret = hns3_nic_init_irq(priv);
|
||||
if (ret) {
|
||||
dev_err(priv->dev, "init irq failed! ret=%d\n", ret);
|
||||
hns3_free_rx_cpu_rmap(netdev);
|
||||
goto err_init_irq_fail;
|
||||
}
|
||||
|
||||
ret = hns3_client_start(handle);
|
||||
if (ret) {
|
||||
dev_err(priv->dev, "hns3_client_start fail! ret=%d\n", ret);
|
||||
goto err_uninit_ring;
|
||||
goto err_client_start_fail;
|
||||
}
|
||||
|
||||
set_bit(HNS3_NIC_STATE_INITED, &priv->state);
|
||||
|
||||
return ret;
|
||||
|
||||
err_uninit_ring:
|
||||
err_client_start_fail:
|
||||
hns3_free_rx_cpu_rmap(netdev);
|
||||
hns3_nic_uninit_irq(priv);
|
||||
err_init_irq_fail:
|
||||
hns3_uninit_all_ring(priv);
|
||||
err_uninit_vector:
|
||||
hns3_nic_uninit_vector_data(priv);
|
||||
|
|
@ -4522,6 +4526,8 @@ static int hns3_reset_notify_uninit_enet(struct hnae3_handle *handle)
|
|||
return 0;
|
||||
}
|
||||
|
||||
hns3_free_rx_cpu_rmap(netdev);
|
||||
hns3_nic_uninit_irq(priv);
|
||||
hns3_clear_all_ring(handle, true);
|
||||
hns3_reset_tx_queue(priv->ae_handle);
|
||||
|
||||
|
|
@ -4529,9 +4535,7 @@ static int hns3_reset_notify_uninit_enet(struct hnae3_handle *handle)
|
|||
|
||||
hns3_store_coal(priv);
|
||||
|
||||
ret = hns3_nic_dealloc_vector_data(priv);
|
||||
if (ret)
|
||||
netdev_err(netdev, "dealloc vector error\n");
|
||||
hns3_nic_dealloc_vector_data(priv);
|
||||
|
||||
ret = hns3_uninit_all_ring(priv);
|
||||
if (ret)
|
||||
|
|
|
|||
Loading…
Reference in New Issue
Block a user