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authorThomas Gleixner <tglx@linutronix.de>2017-06-20 22:08:32 +0200
committerThomas Gleixner <tglx@linutronix.de>2017-06-20 22:08:32 +0200
commitb50fb7c99217922ea36d6e38bae34d84c0587cad (patch)
tree5f46167ac7fe5cd87bbed8ca8644f32befc5bbae /include/linux/if_vlan.h
parent04c848d398797a626608ff48804d809ae6687163 (diff)
parent41f1830f5a7af77cf5c86359aba3cbd706687e52 (diff)
Merge branch 'linus' into irq/core
Get upstream changes so pending patches won't conflict.
Diffstat (limited to 'include/linux/if_vlan.h')
-rw-r--r--include/linux/if_vlan.h18
1 files changed, 10 insertions, 8 deletions
diff --git a/include/linux/if_vlan.h b/include/linux/if_vlan.h
index 8d5fcd6284ce..283dc2f5364d 100644
--- a/include/linux/if_vlan.h
+++ b/include/linux/if_vlan.h
@@ -614,14 +614,16 @@ static inline bool skb_vlan_tagged_multi(const struct sk_buff *skb)
static inline netdev_features_t vlan_features_check(const struct sk_buff *skb,
netdev_features_t features)
{
- if (skb_vlan_tagged_multi(skb))
- features = netdev_intersect_features(features,
- NETIF_F_SG |
- NETIF_F_HIGHDMA |
- NETIF_F_FRAGLIST |
- NETIF_F_HW_CSUM |
- NETIF_F_HW_VLAN_CTAG_TX |
- NETIF_F_HW_VLAN_STAG_TX);
+ if (skb_vlan_tagged_multi(skb)) {
+ /* In the case of multi-tagged packets, use a direct mask
+ * instead of using netdev_interesect_features(), to make
+ * sure that only devices supporting NETIF_F_HW_CSUM will
+ * have checksum offloading support.
+ */
+ features &= NETIF_F_SG | NETIF_F_HIGHDMA | NETIF_F_HW_CSUM |
+ NETIF_F_FRAGLIST | NETIF_F_HW_VLAN_CTAG_TX |
+ NETIF_F_HW_VLAN_STAG_TX;
+ }
return features;
}