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-rw-r--r--include/linux/if_arp.h16
1 files changed, 16 insertions, 0 deletions
diff --git a/include/linux/if_arp.h b/include/linux/if_arp.h
index f563907ed776..3355efc89781 100644
--- a/include/linux/if_arp.h
+++ b/include/linux/if_arp.h
@@ -44,4 +44,20 @@ static inline int arp_hdr_len(struct net_device *dev)
return sizeof(struct arphdr) + (dev->addr_len + sizeof(u32)) * 2;
}
}
+
+static inline bool dev_is_mac_header_xmit(const struct net_device *dev)
+{
+ switch (dev->type) {
+ case ARPHRD_TUNNEL:
+ case ARPHRD_TUNNEL6:
+ case ARPHRD_SIT:
+ case ARPHRD_IPGRE:
+ case ARPHRD_VOID:
+ case ARPHRD_NONE:
+ return false;
+ default:
+ return true;
+ }
+}
+
#endif /* _LINUX_IF_ARP_H */