From: Leon Romanovsky <leonro@nvidia.com>
Date: Thu, 24 Feb 2022 16:20:11 +0200
Subject: net/mlx5: Reuse exported virtfn index function call
Patch-mainline: v5.18-rc1
Git-commit: 6ebd25b80c0d325a4a7f12614885aaf33dae76ab
References: jsc#PED-1549
Instead open-code iteration to compare virtfn internal index, use newly
introduced pci_iov_vf_id() call.
Link: https://lore.kernel.org/all/20220224142024.147653-3-yishaih@nvidia.com
Signed-off-by: Yishai Hadas <yishaih@nvidia.com>
Signed-off-by: Leon Romanovsky <leonro@nvidia.com>
Acked-by: Thomas Bogendoerfer <tbogendoerfer@suse.de>
---
drivers/net/ethernet/mellanox/mlx5/core/sriov.c | 15 ++-------------
1 file changed, 2 insertions(+), 13 deletions(-)
--- a/drivers/net/ethernet/mellanox/mlx5/core/sriov.c
+++ b/drivers/net/ethernet/mellanox/mlx5/core/sriov.c
@@ -205,19 +205,8 @@ int mlx5_core_sriov_set_msix_vec_count(s
mlx5_get_default_msix_vec_count(dev, pci_num_vf(pf));
sriov = &dev->priv.sriov;
-
- /* Reversed translation of PCI VF function number to the internal
- * function_id, which exists in the name of virtfn symlink.
- */
- for (id = 0; id < pci_num_vf(pf); id++) {
- if (!sriov->vfs_ctx[id].enabled)
- continue;
-
- if (vf->devfn == pci_iov_virtfn_devfn(pf, id))
- break;
- }
-
- if (id == pci_num_vf(pf) || !sriov->vfs_ctx[id].enabled)
+ id = pci_iov_vf_id(vf);
+ if (id < 0 || !sriov->vfs_ctx[id].enabled)
return -EINVAL;
return mlx5_set_msix_vec_count(dev, id + 1, msix_vec_count);