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authorRonak Doshi <doshir@vmware.com>2019-06-04 08:58:38 +0200
committerDavid S. Miller <davem@davemloft.net>2019-06-05 05:05:56 +0200
commit3dd7400b419409b1551f7f01764b1f3160feda90 (patch)
treeec151390109f176fa7d23af3746e20ffb0ee6d4f /drivers/net/vmxnet3
parentMerge branch 'net-add-struct-nexthop-to-fib-info' (diff)
downloadlinux-3dd7400b419409b1551f7f01764b1f3160feda90.tar.xz
linux-3dd7400b419409b1551f7f01764b1f3160feda90.zip
vmxnet3: turn off lro when rxcsum is disabled
Currently, when rx csum is disabled, vmxnet3 driver does not turn off lro, which can cause performance issues if user does not turn off lro explicitly. This patch adds fix_features support which is used to turn off LRO whenever RXCSUM is disabled. Signed-off-by: Ronak Doshi <doshir@vmware.com> Acked-by: Rishi Mehta <rmehta@vmware.com> Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'drivers/net/vmxnet3')
-rw-r--r--drivers/net/vmxnet3/vmxnet3_drv.c1
-rw-r--r--drivers/net/vmxnet3/vmxnet3_ethtool.c10
-rw-r--r--drivers/net/vmxnet3/vmxnet3_int.h7
3 files changed, 16 insertions, 2 deletions
diff --git a/drivers/net/vmxnet3/vmxnet3_drv.c b/drivers/net/vmxnet3/vmxnet3_drv.c
index 1b2a18ea855c..3f48f05dd2a6 100644
--- a/drivers/net/vmxnet3/vmxnet3_drv.c
+++ b/drivers/net/vmxnet3/vmxnet3_drv.c
@@ -3247,6 +3247,7 @@ vmxnet3_probe_device(struct pci_dev *pdev,
.ndo_start_xmit = vmxnet3_xmit_frame,
.ndo_set_mac_address = vmxnet3_set_mac_addr,
.ndo_change_mtu = vmxnet3_change_mtu,
+ .ndo_fix_features = vmxnet3_fix_features,
.ndo_set_features = vmxnet3_set_features,
.ndo_get_stats64 = vmxnet3_get_stats64,
.ndo_tx_timeout = vmxnet3_tx_timeout,
diff --git a/drivers/net/vmxnet3/vmxnet3_ethtool.c b/drivers/net/vmxnet3/vmxnet3_ethtool.c
index 559db051a500..0a38c76688ab 100644
--- a/drivers/net/vmxnet3/vmxnet3_ethtool.c
+++ b/drivers/net/vmxnet3/vmxnet3_ethtool.c
@@ -257,6 +257,16 @@ vmxnet3_get_strings(struct net_device *netdev, u32 stringset, u8 *buf)
}
}
+netdev_features_t vmxnet3_fix_features(struct net_device *netdev,
+ netdev_features_t features)
+{
+ /* If Rx checksum is disabled, then LRO should also be disabled */
+ if (!(features & NETIF_F_RXCSUM))
+ features &= ~NETIF_F_LRO;
+
+ return features;
+}
+
int vmxnet3_set_features(struct net_device *netdev, netdev_features_t features)
{
struct vmxnet3_adapter *adapter = netdev_priv(netdev);
diff --git a/drivers/net/vmxnet3/vmxnet3_int.h b/drivers/net/vmxnet3/vmxnet3_int.h
index a2c554f8a61b..1cc1cd4aaa59 100644
--- a/drivers/net/vmxnet3/vmxnet3_int.h
+++ b/drivers/net/vmxnet3/vmxnet3_int.h
@@ -69,12 +69,12 @@
/*
* Version numbers
*/
-#define VMXNET3_DRIVER_VERSION_STRING "1.4.16.0-k"
+#define VMXNET3_DRIVER_VERSION_STRING "1.4.17.0-k"
/* Each byte of this 32-bit integer encodes a version number in
* VMXNET3_DRIVER_VERSION_STRING.
*/
-#define VMXNET3_DRIVER_VERSION_NUM 0x01041000
+#define VMXNET3_DRIVER_VERSION_NUM 0x01041100
#if defined(CONFIG_PCI_MSI)
/* RSS only makes sense if MSI-X is supported. */
@@ -454,6 +454,9 @@ vmxnet3_tq_destroy_all(struct vmxnet3_adapter *adapter);
void
vmxnet3_rq_destroy_all(struct vmxnet3_adapter *adapter);
+netdev_features_t
+vmxnet3_fix_features(struct net_device *netdev, netdev_features_t features);
+
int
vmxnet3_set_features(struct net_device *netdev, netdev_features_t features);