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-rw-r--r--include/linux/in.h2
1 files changed, 2 insertions, 0 deletions
diff --git a/include/linux/in.h b/include/linux/in.h
index b615649db12..583c76f9c30 100644
--- a/include/linux/in.h
+++ b/include/linux/in.h
@@ -84,6 +84,8 @@ struct in_addr {
#define IP_ORIGDSTADDR 20
#define IP_RECVORIGDSTADDR IP_ORIGDSTADDR
+#define IP_MINTTL 21
+
/* IP_MTU_DISCOVER values */
#define IP_PMTUDISC_DONT 0 /* Never send DF frames */
#define IP_PMTUDISC_WANT 1 /* Use per route hints */