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-rw-r--r--include/net/ip.h2
1 files changed, 2 insertions, 0 deletions
diff --git a/include/net/ip.h b/include/net/ip.h
index bf264a8..821cedc 100644
--- a/include/net/ip.h
+++ b/include/net/ip.h
@@ -33,6 +33,8 @@
#include <net/flow.h>
#include <net/flow_dissector.h>
+#define IPV4_MAX_PMTU 65535U /* RFC 2675, Section 5.1 */
+
struct sock;
struct inet_skb_parm {
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