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-rw-r--r--include/net/mpls.h17
1 files changed, 17 insertions, 0 deletions
diff --git a/include/net/mpls.h b/include/net/mpls.h
index ccaf238e8ea7..0bb7944e7b08 100644
--- a/include/net/mpls.h
+++ b/include/net/mpls.h
@@ -8,6 +8,7 @@
#include <linux/if_ether.h>
#include <linux/netdevice.h>
+#include <linux/mpls.h>
#define MPLS_HLEN 4
@@ -25,4 +26,20 @@ static inline struct mpls_shim_hdr *mpls_hdr(const struct sk_buff *skb)
{
return (struct mpls_shim_hdr *)skb_network_header(skb);
}
+
+static inline struct mpls_shim_hdr mpls_entry_encode(u32 label,
+ unsigned int ttl,
+ unsigned int tc,
+ bool bos)
+{
+ struct mpls_shim_hdr result;
+
+ result.label_stack_entry =
+ cpu_to_be32((label << MPLS_LS_LABEL_SHIFT) |
+ (tc << MPLS_LS_TC_SHIFT) |
+ (bos ? (1 << MPLS_LS_S_SHIFT) : 0) |
+ (ttl << MPLS_LS_TTL_SHIFT));
+ return result;
+}
+
#endif