net: rtnetlink: validate IFLA_MTU attribute in rtnl_create_link()

[mirror_ubuntu-bionic-kernel.git] / include / linux / if_ether.h

diff --git a/include/linux/if_ether.h b/include/linux/if_ether.h
index 548fd535fd02399634bace0607471d07b973d8dc..d433f5e292c9fb9ff3175120000cc8dd4e4f4f84 100644 (file)
--- a/include/linux/if_ether.h
+++ b/include/linux/if_ether.h
@@ -28,6 +28,14 @@ static inline struct ethhdr *eth_hdr(const struct sk_buff *skb)
        return (struct ethhdr *)skb_mac_header(skb);
 }
 
+/* Prefer this version in TX path, instead of
+ * skb_reset_mac_header() + eth_hdr()
+ */
+static inline struct ethhdr *skb_eth_hdr(const struct sk_buff *skb)
+{
+       return (struct ethhdr *)skb->data;
+}
+
 static inline struct ethhdr *inner_eth_hdr(const struct sk_buff *skb)
 {
        return (struct ethhdr *)skb_inner_mac_header(skb);