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net: wangxun: restrict feature flags for tunnel packets

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Implement ndo_features_check to restrict Tx checksum offload flags, since
there are some inner layer length and protocols unsupported.

Signed-off-by: Jiawen Wu <jiawenwu@trustnetic.com>
Reviewed-by: Michal Kubiak <michal.kubiak@intel.com>
Link: https://patch.msgid.link/20250421022956.508018-3-jiawenwu@trustnetic.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
This commit is contained in:
Jiawen Wu
2025-04-21 10:29:56 +08:00
committed by Jakub Kicinski
parent f294516f1f
commit 3b05aa997c
4 changed files with 32 additions and 0 deletions
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27
drivers/net/ethernet/wangxun/libwx/wx_lib.c
View File

@@ -3000,6 +3000,33 @@ netdev_features_t wx_fix_features(struct net_device *netdev,
}
EXPORT_SYMBOL(wx_fix_features);
#define WX_MAX_TUNNEL_HDR_LEN 80
netdev_features_t wx_features_check(struct sk_buff *skb,
struct net_device *netdev,
netdev_features_t features)
{
struct wx *wx = netdev_priv(netdev);
if (!skb->encapsulation)
return features;
if (wx->mac.type == wx_mac_em)
return features & ~NETIF_F_CSUM_MASK;
if (unlikely(skb_inner_mac_header(skb) - skb_transport_header(skb) >
WX_MAX_TUNNEL_HDR_LEN))
return features & ~NETIF_F_CSUM_MASK;
if (skb->inner_protocol_type == ENCAP_TYPE_ETHER &&
skb->inner_protocol != htons(ETH_P_IP) &&
skb->inner_protocol != htons(ETH_P_IPV6) &&
skb->inner_protocol != htons(ETH_P_TEB))
return features & ~(NETIF_F_CSUM_MASK | NETIF_F_GSO_MASK);
return features;
}
EXPORT_SYMBOL(wx_features_check);
void wx_set_ring(struct wx *wx, u32 new_tx_count,
u32 new_rx_count, struct wx_ring *temp_ring)
{

3
drivers/net/ethernet/wangxun/libwx/wx_lib.h
View File

@@ -33,6 +33,9 @@ void wx_get_stats64(struct net_device *netdev,
int wx_set_features(struct net_device *netdev, netdev_features_t features);
netdev_features_t wx_fix_features(struct net_device *netdev,
netdev_features_t features);
netdev_features_t wx_features_check(struct sk_buff *skb,
struct net_device *netdev,
netdev_features_t features);
void wx_set_ring(struct wx *wx, u32 new_tx_count,
u32 new_rx_count, struct wx_ring *temp_ring);

1
drivers/net/ethernet/wangxun/ngbe/ngbe_main.c
View File

@@ -587,6 +587,7 @@ static const struct net_device_ops ngbe_netdev_ops = {
.ndo_set_rx_mode = wx_set_rx_mode,
.ndo_set_features = wx_set_features,
.ndo_fix_features = wx_fix_features,
.ndo_features_check = wx_features_check,
.ndo_validate_addr = eth_validate_addr,
.ndo_set_mac_address = wx_set_mac,
.ndo_get_stats64 = wx_get_stats64,

1
drivers/net/ethernet/wangxun/txgbe/txgbe_main.c
View File

@@ -579,6 +579,7 @@ static const struct net_device_ops txgbe_netdev_ops = {
.ndo_set_rx_mode = wx_set_rx_mode,
.ndo_set_features = wx_set_features,
.ndo_fix_features = wx_fix_features,
.ndo_features_check = wx_features_check,
.ndo_validate_addr = eth_validate_addr,
.ndo_set_mac_address = wx_set_mac,
.ndo_get_stats64 = wx_get_stats64,