[PATCH V2 net-next 10/11] net: hns3: add feature check when feature changed

From: Peng Li
Date: Fri Jan 12 2018 - 03:00:37 EST


From: Jian Shen <shenjian15@xxxxxxxxxx>

Local variable "changed" was defined to indicates features changed,
but was used only for feature NETIF_F_HW_VLAN_CTAG_RX. Add checking
for other features.

Fixes: 052ece6dc19c ("net: hns3: add ethtool related offload command")
Signed-off-by: Jian Shen <shenjian15@xxxxxxxxxx>
Signed-off-by: Peng Li <lipeng321@xxxxxxxxxx>
---
drivers/net/ethernet/hisilicon/hns3/hns3_enet.c | 27 ++++++++++++++-----------
1 file changed, 15 insertions(+), 12 deletions(-)

diff --git a/drivers/net/ethernet/hisilicon/hns3/hns3_enet.c b/drivers/net/ethernet/hisilicon/hns3/hns3_enet.c
index 34879c4..a7ae4f3 100644
--- a/drivers/net/ethernet/hisilicon/hns3/hns3_enet.c
+++ b/drivers/net/ethernet/hisilicon/hns3/hns3_enet.c
@@ -1118,25 +1118,28 @@ static int hns3_nic_net_set_mac_address(struct net_device *netdev, void *p)
static int hns3_nic_set_features(struct net_device *netdev,
netdev_features_t features)
{
+ netdev_features_t changed = netdev->features ^ features;
struct hns3_nic_priv *priv = netdev_priv(netdev);
struct hnae3_handle *h = priv->ae_handle;
- netdev_features_t changed;
int ret;

- if (features & (NETIF_F_TSO | NETIF_F_TSO6)) {
- priv->ops.fill_desc = hns3_fill_desc_tso;
- priv->ops.maybe_stop_tx = hns3_nic_maybe_stop_tso;
- } else {
- priv->ops.fill_desc = hns3_fill_desc;
- priv->ops.maybe_stop_tx = hns3_nic_maybe_stop_tx;
+ if (changed & (NETIF_F_TSO | NETIF_F_TSO6)) {
+ if (features & (NETIF_F_TSO | NETIF_F_TSO6)) {
+ priv->ops.fill_desc = hns3_fill_desc_tso;
+ priv->ops.maybe_stop_tx = hns3_nic_maybe_stop_tso;
+ } else {
+ priv->ops.fill_desc = hns3_fill_desc;
+ priv->ops.maybe_stop_tx = hns3_nic_maybe_stop_tx;
+ }
}

- if (features & NETIF_F_HW_VLAN_CTAG_FILTER)
- h->ae_algo->ops->enable_vlan_filter(h, true);
- else
- h->ae_algo->ops->enable_vlan_filter(h, false);
+ if (changed & NETIF_F_HW_VLAN_CTAG_FILTER) {
+ if (features & NETIF_F_HW_VLAN_CTAG_FILTER)
+ h->ae_algo->ops->enable_vlan_filter(h, true);
+ else
+ h->ae_algo->ops->enable_vlan_filter(h, false);
+ }

- changed = netdev->features ^ features;
if (changed & NETIF_F_HW_VLAN_CTAG_RX) {
if (features & NETIF_F_HW_VLAN_CTAG_RX)
ret = h->ae_algo->ops->enable_hw_strip_rxvtag(h, true);
--
1.9.1