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-rw-r--r--net/core/dev.c9
1 files changed, 5 insertions, 4 deletions
diff --git a/net/core/dev.c b/net/core/dev.c
index 54277df0f73..24ea2d71e7e 100644
--- a/net/core/dev.c
+++ b/net/core/dev.c
@@ -749,7 +749,8 @@ EXPORT_SYMBOL(dev_get_by_index);
749 * @ha: hardware address 749 * @ha: hardware address
750 * 750 *
751 * Search for an interface by MAC address. Returns NULL if the device 751 * Search for an interface by MAC address. Returns NULL if the device
752 * is not found or a pointer to the device. The caller must hold RCU 752 * is not found or a pointer to the device.
753 * The caller must hold RCU or RTNL.
753 * The returned device has not had its ref count increased 754 * The returned device has not had its ref count increased
754 * and the caller must therefore be careful about locking 755 * and the caller must therefore be careful about locking
755 * 756 *
@@ -2001,7 +2002,7 @@ static bool can_checksum_protocol(unsigned long features, __be16 protocol)
2001 2002
2002static int harmonize_features(struct sk_buff *skb, __be16 protocol, int features) 2003static int harmonize_features(struct sk_buff *skb, __be16 protocol, int features)
2003{ 2004{
2004 if (!can_checksum_protocol(protocol, features)) { 2005 if (!can_checksum_protocol(features, protocol)) {
2005 features &= ~NETIF_F_ALL_CSUM; 2006 features &= ~NETIF_F_ALL_CSUM;
2006 features &= ~NETIF_F_SG; 2007 features &= ~NETIF_F_SG;
2007 } else if (illegal_highdma(skb->dev, skb)) { 2008 } else if (illegal_highdma(skb->dev, skb)) {
@@ -2023,13 +2024,13 @@ int netif_skb_features(struct sk_buff *skb)
2023 return harmonize_features(skb, protocol, features); 2024 return harmonize_features(skb, protocol, features);
2024 } 2025 }
2025 2026
2026 features &= skb->dev->vlan_features; 2027 features &= (skb->dev->vlan_features | NETIF_F_HW_VLAN_TX);
2027 2028
2028 if (protocol != htons(ETH_P_8021Q)) { 2029 if (protocol != htons(ETH_P_8021Q)) {
2029 return harmonize_features(skb, protocol, features); 2030 return harmonize_features(skb, protocol, features);
2030 } else { 2031 } else {
2031 features &= NETIF_F_SG | NETIF_F_HIGHDMA | NETIF_F_FRAGLIST | 2032 features &= NETIF_F_SG | NETIF_F_HIGHDMA | NETIF_F_FRAGLIST |
2032 NETIF_F_GEN_CSUM; 2033 NETIF_F_GEN_CSUM | NETIF_F_HW_VLAN_TX;
2033 return harmonize_features(skb, protocol, features); 2034 return harmonize_features(skb, protocol, features);
2034 } 2035 }
2035} 2036}