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-rw-r--r--lib/ipv4.h2
1 files changed, 2 insertions, 0 deletions
diff --git a/lib/ipv4.h b/lib/ipv4.h
index 87e0874..5cb2835 100644
--- a/lib/ipv4.h
+++ b/lib/ipv4.h
@@ -77,4 +77,6 @@ static inline int ipv4_compare(u32 x, u32 y)
return (x > y) - (x < y);
}
+#define IP_PREC_INTERNET_CONTROL 0xc0
+
#endif