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From: Raed Salem <raeds@nvidia.com>
Date: Mon, 25 Jan 2021 09:58:22 +0200
Subject: net/mlx5e: Enable XDP for Connect-X IPsec capable devices
Patch-mainline: v5.12-rc1
Git-commit: e33f9f5f2d3a5fa97728a43708f41da2d4faae65
References: jsc#SLE-15172

This limitation was inherited by previous Innova (FPGA) IPsec
implementation, it uses its private set of RQ handlers which
does not support XDP, for Connect-X this is no longer true.

Fix by keeping this limitation only for Innova IPsec supporting devices,
as otherwise this limitation effectively wrongly blocks XDP for all
future Connect-X devices for all flows even if IPsec offload is not
used.

Fixes: 2d64663cd559 ("net/mlx5: IPsec: Add HW crypto offload support")
Signed-off-by: Raed Salem <raeds@nvidia.com>
Reviewed-by: Alaa Hleihel <alaa@nvidia.com>
Reviewed-by: Tariq Toukan <tariqt@nvidia.com>
Signed-off-by: Saeed Mahameed <saeedm@nvidia.com>
Acked-by: Thomas Bogendoerfer <tbogendoerfer@suse.de>
---
 drivers/net/ethernet/mellanox/mlx5/core/en_main.c |    5 +++--
 1 file changed, 3 insertions(+), 2 deletions(-)

--- a/drivers/net/ethernet/mellanox/mlx5/core/en_main.c
+++ b/drivers/net/ethernet/mellanox/mlx5/core/en_main.c
@@ -4367,8 +4367,9 @@ static int mlx5e_xdp_allowed(struct mlx5
 		return -EINVAL;
 	}
 
-	if (MLX5_IPSEC_DEV(priv->mdev)) {
-		netdev_warn(netdev, "can't set XDP with IPSec offload\n");
+	if (mlx5_fpga_is_ipsec_device(priv->mdev)) {
+		netdev_warn(netdev,
+			    "XDP is not available on Innova cards with IPsec support\n");
 		return -EINVAL;
 	}