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85 lines
3.1 KiB
85 lines
3.1 KiB
From 08d07de27cd1b9ec43e75242f71fa8468fb8b406 Mon Sep 17 00:00:00 2001
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From: Alaa Hleihel <ahleihel@redhat.com>
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Date: Tue, 12 May 2020 10:55:15 -0400
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Subject: [PATCH 199/312] [netdrv] net/mlx5e: Fix pfnum in devlink port
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attribute
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Message-id: <20200512105530.4207-110-ahleihel@redhat.com>
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Patchwork-id: 306981
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Patchwork-instance: patchwork
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O-Subject: [RHEL8.3 BZ 1789382 109/124] net/mlx5e: Fix pfnum in devlink port attribute
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Bugzilla: 1789382
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RH-Acked-by: Tony Camuso <tcamuso@redhat.com>
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RH-Acked-by: Kamal Heib <kheib@redhat.com>
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RH-Acked-by: Jarod Wilson <jarod@redhat.com>
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Bugzilla: http://bugzilla.redhat.com/1789382
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Upstream: v5.7-rc2
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commit 7482d9cb5b974b7ad1a58fa8714f7a8c05b5d278
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Author: Parav Pandit <parav@mellanox.com>
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Date: Fri Apr 3 03:57:30 2020 -0500
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net/mlx5e: Fix pfnum in devlink port attribute
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Cited patch missed to extract PCI pf number accurately for PF and VF
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port flavour. It considered PCI device + function number.
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Due to this, device having non zero device number shown large pfnum.
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Hence, use only PCI function number; to avoid similar errors, derive
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pfnum one time for all port flavours.
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Fixes: f60f315d339e ("net/mlx5e: Register devlink ports for physical link, PCI PF, VFs")
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Reviewed-by: Jiri Pirko <jiri@mellanox.com>
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Signed-off-by: Parav Pandit <parav@mellanox.com>
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Signed-off-by: Saeed Mahameed <saeedm@mellanox.com>
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Signed-off-by: Alaa Hleihel <ahleihel@redhat.com>
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Signed-off-by: Frantisek Hrbata <fhrbata@redhat.com>
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---
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drivers/net/ethernet/mellanox/mlx5/core/en_rep.c | 9 +++++----
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1 file changed, 5 insertions(+), 4 deletions(-)
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diff --git a/drivers/net/ethernet/mellanox/mlx5/core/en_rep.c b/drivers/net/ethernet/mellanox/mlx5/core/en_rep.c
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index 02f1362a01ef..e8845a6121dd 100644
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--- a/drivers/net/ethernet/mellanox/mlx5/core/en_rep.c
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+++ b/drivers/net/ethernet/mellanox/mlx5/core/en_rep.c
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@@ -1935,29 +1935,30 @@ static int register_devlink_port(struct mlx5_core_dev *dev,
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struct mlx5_eswitch_rep *rep = rpriv->rep;
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struct netdev_phys_item_id ppid = {};
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unsigned int dl_port_index = 0;
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+ u16 pfnum;
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if (!is_devlink_port_supported(dev, rpriv))
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return 0;
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mlx5e_rep_get_port_parent_id(rpriv->netdev, &ppid);
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+ pfnum = PCI_FUNC(dev->pdev->devfn);
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if (rep->vport == MLX5_VPORT_UPLINK) {
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devlink_port_attrs_set(&rpriv->dl_port,
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DEVLINK_PORT_FLAVOUR_PHYSICAL,
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- PCI_FUNC(dev->pdev->devfn), false, 0,
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+ pfnum, false, 0,
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&ppid.id[0], ppid.id_len);
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dl_port_index = vport_to_devlink_port_index(dev, rep->vport);
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} else if (rep->vport == MLX5_VPORT_PF) {
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devlink_port_attrs_pci_pf_set(&rpriv->dl_port,
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&ppid.id[0], ppid.id_len,
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- dev->pdev->devfn);
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+ pfnum);
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dl_port_index = rep->vport;
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} else if (mlx5_eswitch_is_vf_vport(dev->priv.eswitch,
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rpriv->rep->vport)) {
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devlink_port_attrs_pci_vf_set(&rpriv->dl_port,
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&ppid.id[0], ppid.id_len,
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- dev->pdev->devfn,
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- rep->vport - 1);
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+ pfnum, rep->vport - 1);
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dl_port_index = vport_to_devlink_port_index(dev, rep->vport);
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}
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--
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2.13.6
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