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From 43b18ac8b9d4ab89a3e278f05f0a36a13f2582d8 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 10:54:40 -0400
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Subject: [PATCH 168/312] [netdrv] net/mlx5e: Add missing LRO cap check
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Message-id: <20200512105530.4207-75-ahleihel@redhat.com>
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Patchwork-id: 306945
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Patchwork-instance: patchwork
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O-Subject: [RHEL8.3 BZ 1789382 074/124] net/mlx5e: Add missing LRO cap check
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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-rc1
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commit 02377e6edf135289ebdf6ff4b40a422db4b780ff
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Author: Tariq Toukan <tariqt@mellanox.com>
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Date: Thu Jan 2 16:17:41 2020 +0200
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net/mlx5e: Add missing LRO cap check
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The LRO boolean state in params->lro_en must not be set in case
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the NIC is not capable.
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Enforce this check and remove the TODO comment.
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Signed-off-by: Tariq Toukan <tariqt@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_main.c | 5 ++---
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1 file changed, 2 insertions(+), 3 deletions(-)
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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 2f87b0b4660f..be3b5f911358 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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@@ -4794,9 +4794,8 @@ void mlx5e_build_nic_params(struct mlx5e_priv *priv,
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mlx5e_build_rq_params(mdev, params);
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/* HW LRO */
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-
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- /* TODO: && MLX5_CAP_ETH(mdev, lro_cap) */
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- if (params->rq_wq_type == MLX5_WQ_TYPE_LINKED_LIST_STRIDING_RQ) {
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+ if (MLX5_CAP_ETH(mdev, lro_cap) &&
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+ params->rq_wq_type == MLX5_WQ_TYPE_LINKED_LIST_STRIDING_RQ) {
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/* No XSK params: checking the availability of striding RQ in general. */
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if (!mlx5e_rx_mpwqe_is_linear_skb(mdev, params, NULL))
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params->lro_en = !slow_pci_heuristic(mdev);
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--
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2.13.6
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