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net: hns3: use HCLGE_STATE_NIC_REGISTERED to indicate PF NIC client has registered 

When PF NIC client's init_instance() succeeds, it means this client
has been registered successfully, so we use HCLGE_STATE_NIC_REGISTERED
to indicate that. And before calling PF NIC client's uninit_instance(),
we clear this state.

So any operation of PF NIC client from HCLGE is not allowed if this
state is not set.

Signed-off-by: Huazhong Tan <tanhuazhong@huawei.com>
Signed-off-by: Peng Li <lipeng321@huawei.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Huazhong Tan 2019-05-28 17:02:54 +08:00 committed by David S. Miller
parent 33a90e2f20
commit bd9109c9b1
2 changed files with 7 additions and 0 deletions
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6
drivers/net/ethernet/hisilicon/hns3/hns3pf/hclge_main.c
View File

@ -2873,6 +2873,10 @@ int hclge_notify_client(struct hclge_dev *hdev,
struct hnae3_client *client = hdev->nic_client;
u16 i;
if (!test_bit(HCLGE_STATE_NIC_REGISTERED, &hdev->state) ||
!client)
return 0;
if (!client->ops->reset_notify)
return -EOPNOTSUPP;
@ -8184,6 +8188,7 @@ static int hclge_init_client_instance(struct hnae3_client *client,
goto clear_nic;
hnae3_set_client_init_flag(client, ae_dev, 1);
set_bit(HCLGE_STATE_NIC_REGISTERED, &hdev->state);
if (netif_msg_drv(&hdev->vport->nic))
hclge_info_show(hdev);
@ -8270,6 +8275,7 @@ static void hclge_uninit_client_instance(struct hnae3_client *client,
if (client->type == HNAE3_CLIENT_ROCE)
return;
if (hdev->nic_client && client->ops->uninit_instance) {
clear_bit(HCLGE_STATE_NIC_REGISTERED, &hdev->state);
client->ops->uninit_instance(&vport->nic, 0);
hdev->nic_client = NULL;
vport->nic.client = NULL;

1
drivers/net/ethernet/hisilicon/hns3/hns3pf/hclge_main.h
View File

@ -201,6 +201,7 @@ enum HCLGE_DEV_STATE {
HCLGE_STATE_DOWN,
HCLGE_STATE_DISABLED,
HCLGE_STATE_REMOVING,
HCLGE_STATE_NIC_REGISTERED,
HCLGE_STATE_SERVICE_INITED,
HCLGE_STATE_SERVICE_SCHED,
HCLGE_STATE_RST_SERVICE_SCHED,