net: hns3: add interrupts re-initialization while doing VF FLR

[ Upstream commit 09e6b30eeb254f1818a008cace3547159e908dfd ]

Currently keep alive message between PF and VF may be lost and the VF is
unalive in PF. So the VF will not do reset during PF FLR reset process.
This would make the allocated interrupt resources of VF invalid and VF
would't receive or respond to PF any more.

So this patch adds VF interrupts re-initialization during VF FLR for VF
recovery in above cases.

Fixes: 862d969a3a4d ("net: hns3: do VF's pci re-initialization while PF doing FLR")
Signed-off-by: Jie Wang <wangjie125@huawei.com>
Signed-off-by: Hao Lan <lanhao@huawei.com>
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
Signed-off-by: Sasha Levin <sashal@kernel.org>

diff --git a/drivers/net/ethernet/hisilicon/hns3/hns3vf/hclgevf_main.c b/drivers/net/ethernet/hisilicon/hns3/hns3vf/hclgevf_main.c
index 26f87330173ebc328b7dbd1b905948232b9e2c3d..c551508e69325eb98b161472e3dd51a054c9be18 100644 (file)
--- a/drivers/net/ethernet/hisilicon/hns3/hns3vf/hclgevf_main.c
+++ b/drivers/net/ethernet/hisilicon/hns3/hns3vf/hclgevf_main.c
@@ -2767,7 +2767,8 @@ static int hclgevf_pci_reset(struct hclgevf_dev *hdev)
        struct pci_dev *pdev = hdev->pdev;
        int ret = 0;
 
-       if (hdev->reset_type == HNAE3_VF_FULL_RESET &&
+       if ((hdev->reset_type == HNAE3_VF_FULL_RESET ||
+            hdev->reset_type == HNAE3_FLR_RESET) &&
            test_bit(HCLGEVF_STATE_IRQ_INITED, &hdev->state)) {
                hclgevf_misc_irq_uninit(hdev);
                hclgevf_uninit_msi(hdev);