diff options
Diffstat (limited to 'drivers/net/ethernet/sfc/ef100_sriov.c')
-rw-r--r-- | drivers/net/ethernet/sfc/ef100_sriov.c | 32 |
1 files changed, 24 insertions, 8 deletions
diff --git a/drivers/net/ethernet/sfc/ef100_sriov.c b/drivers/net/ethernet/sfc/ef100_sriov.c index 664578176bfe..94bdbfcb47e8 100644 --- a/drivers/net/ethernet/sfc/ef100_sriov.c +++ b/drivers/net/ethernet/sfc/ef100_sriov.c @@ -11,46 +11,62 @@ #include "ef100_sriov.h" #include "ef100_nic.h" +#include "ef100_rep.h" static int efx_ef100_pci_sriov_enable(struct efx_nic *efx, int num_vfs) { + struct ef100_nic_data *nic_data = efx->nic_data; struct pci_dev *dev = efx->pci_dev; - int rc; + struct efx_rep *efv, *next; + int rc, i; efx->vf_count = num_vfs; rc = pci_enable_sriov(dev, num_vfs); if (rc) - goto fail; + goto fail1; + if (!nic_data->grp_mae) + return 0; + + for (i = 0; i < num_vfs; i++) { + rc = efx_ef100_vfrep_create(efx, i); + if (rc) + goto fail2; + } return 0; -fail: +fail2: + list_for_each_entry_safe(efv, next, &efx->vf_reps, list) + efx_ef100_vfrep_destroy(efx, efv); + pci_disable_sriov(dev); +fail1: netif_err(efx, probe, efx->net_dev, "Failed to enable SRIOV VFs\n"); efx->vf_count = 0; return rc; } -int efx_ef100_pci_sriov_disable(struct efx_nic *efx) +int efx_ef100_pci_sriov_disable(struct efx_nic *efx, bool force) { struct pci_dev *dev = efx->pci_dev; unsigned int vfs_assigned; vfs_assigned = pci_vfs_assigned(dev); - if (vfs_assigned) { + if (vfs_assigned && !force) { netif_info(efx, drv, efx->net_dev, "VFs are assigned to guests; " "please detach them before disabling SR-IOV\n"); return -EBUSY; } - pci_disable_sriov(dev); - + efx_ef100_fini_vfreps(efx); + if (!vfs_assigned) + pci_disable_sriov(dev); return 0; } int efx_ef100_sriov_configure(struct efx_nic *efx, int num_vfs) { if (num_vfs == 0) - return efx_ef100_pci_sriov_disable(efx); + return efx_ef100_pci_sriov_disable(efx, false); else return efx_ef100_pci_sriov_enable(efx, num_vfs); } |