net: Kill link between CSUM and SG features.

[firefly-linux-kernel-4.4.55.git] / include / linux / netdevice.h

diff --git a/include/linux/netdevice.h b/include/linux/netdevice.h
index 896eb4985f9714b644ac0dc50b2193e6ffe0b95e..e1ebeffa6b35c1aa2d8a6e1272a76e53e5dc6ea4 100644 (file)
--- a/include/linux/netdevice.h
+++ b/include/linux/netdevice.h
@@ -2683,6 +2683,19 @@ struct sk_buff *skb_gso_segment(struct sk_buff *skb, netdev_features_t features)
 {
        return __skb_gso_segment(skb, features, true);
 }
+__be16 skb_network_protocol(struct sk_buff *skb);
+
+static inline bool can_checksum_protocol(netdev_features_t features,
+                                        __be16 protocol)
+{
+       return ((features & NETIF_F_GEN_CSUM) ||
+               ((features & NETIF_F_V4_CSUM) &&
+                protocol == htons(ETH_P_IP)) ||
+               ((features & NETIF_F_V6_CSUM) &&
+                protocol == htons(ETH_P_IPV6)) ||
+               ((features & NETIF_F_FCOE_CRC) &&
+                protocol == htons(ETH_P_FCOE)));
+}
 
 #ifdef CONFIG_BUG
 extern void netdev_rx_csum_fault(struct net_device *dev);