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-rw-r--r--src/vnet/ip/ip4_packet.h2
1 files changed, 1 insertions, 1 deletions
diff --git a/src/vnet/ip/ip4_packet.h b/src/vnet/ip/ip4_packet.h
index 1d3607ea34c..3872ccdd465 100644
--- a/src/vnet/ip/ip4_packet.h
+++ b/src/vnet/ip/ip4_packet.h
@@ -322,7 +322,7 @@ ip4_header_clear_df (ip4_header_t * ip4)
}
always_inline u8
-ip4_header_get_df (ip4_header_t * ip4)
+ip4_header_get_df (const ip4_header_t * ip4)
{
return (! !(ip4->flags_and_fragment_offset &
clib_host_to_net_u16 (IP4_HEADER_FLAG_DONT_FRAGMENT)));