From mboxrd@z Thu Jan 1 00:00:00 1970 From: Alexander Duyck Subject: [net-next PATCH 7/8] mlx5e: Add support for UDP tunnel segmentation with outer checksum offload Date: Mon, 25 Apr 2016 11:31:39 -0700 Message-ID: <20160425183139.11331.75627.stgit@ahduyck-xeon-server> References: <20160425182442.11331.88349.stgit@ahduyck-xeon-server> Mime-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: 7bit To: talal@mellanox.com, netdev@vger.kernel.org, davem@davemloft.net, galp@mellanox.com, ogerlitz@mellanox.com, eranbe@mellanox.com Return-path: Received: from mail-pa0-f51.google.com ([209.85.220.51]:36506 "EHLO mail-pa0-f51.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S933271AbcDYSbq (ORCPT ); Mon, 25 Apr 2016 14:31:46 -0400 Received: by mail-pa0-f51.google.com with SMTP id bt5so14110193pac.3 for ; Mon, 25 Apr 2016 11:31:40 -0700 (PDT) In-Reply-To: <20160425182442.11331.88349.stgit@ahduyck-xeon-server> Sender: netdev-owner@vger.kernel.org List-ID: This patch assumes that the mlx5 hardware will ignore existing IPv4/v6 header fields for length and checksum as well as the length and checksum fields for outer UDP headers. Signed-off-by: Alexander Duyck --- drivers/net/ethernet/mellanox/mlx5/core/en_main.c | 7 ++++++- 1 file changed, 6 insertions(+), 1 deletion(-) diff --git a/drivers/net/ethernet/mellanox/mlx5/core/en_main.c b/drivers/net/ethernet/mellanox/mlx5/core/en_main.c index d485d1e4e100..a687d6624c8e 100644 --- a/drivers/net/ethernet/mellanox/mlx5/core/en_main.c +++ b/drivers/net/ethernet/mellanox/mlx5/core/en_main.c @@ -2580,13 +2580,18 @@ static void mlx5e_build_netdev(struct net_device *netdev) netdev->hw_features |= NETIF_F_HW_VLAN_CTAG_FILTER; if (mlx5e_vxlan_allowed(mdev)) { - netdev->hw_features |= NETIF_F_GSO_UDP_TUNNEL; + netdev->hw_features |= NETIF_F_GSO_UDP_TUNNEL | + NETIF_F_GSO_UDP_TUNNEL_CSUM | + NETIF_F_GSO_PARTIAL; netdev->hw_enc_features |= NETIF_F_IP_CSUM; netdev->hw_enc_features |= NETIF_F_RXCSUM; netdev->hw_enc_features |= NETIF_F_TSO; netdev->hw_enc_features |= NETIF_F_TSO6; netdev->hw_enc_features |= NETIF_F_RXHASH; netdev->hw_enc_features |= NETIF_F_GSO_UDP_TUNNEL; + netdev->hw_enc_features |= NETIF_F_GSO_UDP_TUNNEL_CSUM | + NETIF_F_GSO_PARTIAL; + netdev->gso_partial_features = NETIF_F_GSO_UDP_TUNNEL_CSUM; } netdev->features = netdev->hw_features;