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-rw-r--r--include/net.h2
1 files changed, 2 insertions, 0 deletions
diff --git a/include/net.h b/include/net.h
index b02e4f630c..444c59771f 100644
--- a/include/net.h
+++ b/include/net.h
@@ -397,6 +397,8 @@ struct ip_hdr {
#define IP_HDR_SIZE (sizeof(struct ip_hdr))
+#define IP_MIN_FRAG_DATAGRAM_SIZE (IP_HDR_SIZE + 8)
+
/*
* Internet Protocol (IP) + UDP header.
*/