diff options
| -rw-r--r-- | drivers/net/ethernet/netronome/nfp/nfp_main.c | 23 |
1 files changed, 15 insertions, 8 deletions
diff --git a/drivers/net/ethernet/netronome/nfp/nfp_main.c b/drivers/net/ethernet/netronome/nfp/nfp_main.c index f22f56c9218f..ba174e163834 100644 --- a/drivers/net/ethernet/netronome/nfp/nfp_main.c +++ b/drivers/net/ethernet/netronome/nfp/nfp_main.c @@ -73,20 +73,22 @@ static const struct pci_device_id nfp_pci_device_ids[] = { }; MODULE_DEVICE_TABLE(pci, nfp_pci_device_ids); -static void nfp_pcie_sriov_read_nfd_limit(struct nfp_pf *pf) +static int nfp_pcie_sriov_read_nfd_limit(struct nfp_pf *pf) { -#ifdef CONFIG_PCI_IOV int err; pf->limit_vfs = nfp_rtsym_read_le(pf->cpp, "nfd_vf_cfg_max_vfs", &err); if (!err) - return; + return pci_sriov_set_totalvfs(pf->pdev, pf->limit_vfs); pf->limit_vfs = ~0; + pci_sriov_set_totalvfs(pf->pdev, 0); /* 0 is unset */ /* Allow any setting for backwards compatibility if symbol not found */ - if (err != -ENOENT) - nfp_warn(pf->cpp, "Warning: VF limit read failed: %d\n", err); -#endif + if (err == -ENOENT) + return 0; + + nfp_warn(pf->cpp, "Warning: VF limit read failed: %d\n", err); + return err; } static int nfp_pcie_sriov_enable(struct pci_dev *pdev, int num_vfs) @@ -373,14 +375,18 @@ static int nfp_pci_probe(struct pci_dev *pdev, if (err) goto err_devlink_unreg; - nfp_pcie_sriov_read_nfd_limit(pf); + err = nfp_pcie_sriov_read_nfd_limit(pf); + if (err) + goto err_fw_unload; err = nfp_net_pci_probe(pf); if (err) - goto err_fw_unload; + goto err_sriov_unlimit; return 0; +err_sriov_unlimit: + pci_sriov_set_totalvfs(pf->pdev, 0); err_fw_unload: if (pf->fw_loaded) nfp_fw_unload(pf); @@ -411,6 +417,7 @@ static void nfp_pci_remove(struct pci_dev *pdev) nfp_net_pci_remove(pf); nfp_pcie_sriov_disable(pdev); + pci_sriov_set_totalvfs(pf->pdev, 0); devlink_unregister(devlink); |