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-rw-r--r--include/linux/if_phonet.h4
1 files changed, 4 insertions, 0 deletions
diff --git a/include/linux/if_phonet.h b/include/linux/if_phonet.h
index 22df25fbc4e2..7e989216ec17 100644
--- a/include/linux/if_phonet.h
+++ b/include/linux/if_phonet.h
@@ -12,3 +12,7 @@
/* 6 bytes header + 65535 bytes payload */
#define PHONET_MAX_MTU 65541
#define PHONET_DEV_MTU PHONET_MAX_MTU
+
+#ifdef __KERNEL__
+extern struct header_ops phonet_header_ops;
+#endif