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From d03ac6626a42264e3b6a0cea3ec19e8c7a83f326 Mon Sep 17 00:00:00 2001
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From: Davide Caratti <dcaratti@redhat.com>
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Date: Tue, 28 Jan 2020 09:13:33 -0500
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Subject: [PATCH 001/312] [netdrv] mlx5e: allow TSO on VXLAN over VLAN
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topologies
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Message-id: <92832a2adaee9760b05b903f7b15c4b107dab620.1580148241.git.dcaratti@redhat.com>
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Patchwork-id: 294141
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Patchwork-instance: patchwork
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O-Subject: [RHEL8.3 netdrv] net/mlx5e: allow TSO on VXLAN over VLAN topologies
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Bugzilla: 1780643
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RH-Acked-by: Jarod Wilson <jarod@redhat.com>
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RH-Acked-by: John Linville <linville@redhat.com>
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RH-Acked-by: Paolo Abeni <pabeni@redhat.com>
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RH-Acked-by: David S. Miller <davem@redhat.com>
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Bugzilla: https://bugzilla.redhat.com/show_bug.cgi?id=1780643
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Upstream Status: net-next.git commit a1718505d7f6
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Brew: https://brewweb.engineering.redhat.com/brew/taskinfo?taskID=26037831
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Tested: using a variant of the script used to verify bz1626213
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Conflicts: none
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commit a1718505d7f67ee0ab051322f1cbc7ac42b5da82
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Author: Davide Caratti <dcaratti@redhat.com>
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Date: Thu Jan 9 12:07:59 2020 +0100
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net/mlx5e: allow TSO on VXLAN over VLAN topologies
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since mlx5 hardware can segment correctly TSO packets on VXLAN over VLAN
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topologies, CPU usage can improve significantly if we enable tunnel
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offloads in dev->vlan_features, like it was done in the past with other
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NIC drivers (e.g. mlx4, be2net and ixgbe).
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Signed-off-by: Davide Caratti <dcaratti@redhat.com>
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Signed-off-by: Saeed Mahameed <saeedm@mellanox.com>
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Signed-off-by: Davide Caratti <dcaratti@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_main.c | 2 ++
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1 file changed, 2 insertions(+)
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diff --git a/drivers/net/ethernet/mellanox/mlx5/core/en_main.c b/drivers/net/ethernet/mellanox/mlx5/core/en_main.c
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index 00ef0cd3ca13..7447b84e2d44 100644
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--- a/drivers/net/ethernet/mellanox/mlx5/core/en_main.c
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+++ b/drivers/net/ethernet/mellanox/mlx5/core/en_main.c
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@@ -4855,6 +4855,8 @@ static void mlx5e_build_nic_netdev(struct net_device *netdev)
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netdev->hw_enc_features |= NETIF_F_GSO_UDP_TUNNEL |
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NETIF_F_GSO_UDP_TUNNEL_CSUM;
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netdev->gso_partial_features = NETIF_F_GSO_UDP_TUNNEL_CSUM;
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+ netdev->vlan_features |= NETIF_F_GSO_UDP_TUNNEL |
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+ NETIF_F_GSO_UDP_TUNNEL_CSUM;
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}
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if (MLX5_CAP_ETH(mdev, tunnel_stateless_gre)) {
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--
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2.13.6
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