linux-kernel - [PATCH 4.14 132/189] net: aquantia: driver should correctly declare vlan

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Date:   Mon, 18 Jun 2018 10:13:48 +0200
From:   Greg Kroah-Hartman <gregkh@...uxfoundation.org>
To:     linux-kernel@...r.kernel.org
Cc:     Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
        stable@...r.kernel.org, Ma Yuying <yuma@...hat.com>,
        Igor Russkikh <igor.russkikh@...antia.com>,
        "David S. Miller" <davem@...emloft.net>,
        Sasha Levin <alexander.levin@...rosoft.com>
Subject: [PATCH 4.14 132/189] net: aquantia: driver should correctly declare vlan_features bits

4.14-stable review patch.  If anyone has any objections, please let me know.

------------------

From: Igor Russkikh <igor.russkikh@...antia.com>

[ Upstream commit 8c61ab7f111a2b29d051348b9cb9a39804ebf1f8 ]

In particular, not reporting SG forced skbs to be linear for vlan
interfaces over atlantic NIC.

With this fix it is possible to enable SG feature on device and
therefore optimize performance.

Reported-by: Ma Yuying <yuma@...hat.com>
Signed-off-by: Igor Russkikh <igor.russkikh@...antia.com>
Signed-off-by: David S. Miller <davem@...emloft.net>
Signed-off-by: Sasha Levin <alexander.levin@...rosoft.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@...uxfoundation.org>
---
 drivers/net/ethernet/aquantia/atlantic/aq_nic.c |    2 ++
 1 file changed, 2 insertions(+)

--- a/drivers/net/ethernet/aquantia/atlantic/aq_nic.c
+++ b/drivers/net/ethernet/aquantia/atlantic/aq_nic.c
@@ -310,6 +310,8 @@ int aq_nic_ndev_init(struct aq_nic_s *se
 
 	self->ndev->hw_features |= aq_hw_caps->hw_features;
 	self->ndev->features = aq_hw_caps->hw_features;
+	self->ndev->vlan_features |= NETIF_F_HW_CSUM | NETIF_F_RXCSUM |
+				     NETIF_F_RXHASH | NETIF_F_SG | NETIF_F_LRO;
 	self->ndev->priv_flags = aq_hw_caps->hw_priv_flags;
 	self->ndev->mtu = aq_nic_cfg->mtu - ETH_HLEN;
 	self->ndev->max_mtu = self->aq_hw_caps.mtu - ETH_FCS_LEN - ETH_HLEN;