4.14-stable review patch. If anyone has any objections, please let me know.
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From: Igor Russkikh igor.russkikh@aquantia.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@redhat.com Signed-off-by: Igor Russkikh igor.russkikh@aquantia.com Signed-off-by: David S. Miller davem@davemloft.net Signed-off-by: Sasha Levin alexander.levin@microsoft.com Signed-off-by: Greg Kroah-Hartman gregkh@linuxfoundation.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;