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Diffstat (limited to 'include/uapi/linux/ipv6_route.h')
-rw-r--r--include/uapi/linux/ipv6_route.h3
1 files changed, 2 insertions, 1 deletions
diff --git a/include/uapi/linux/ipv6_route.h b/include/uapi/linux/ipv6_route.h
index d496c02e14bc..593800a18799 100644
--- a/include/uapi/linux/ipv6_route.h
+++ b/include/uapi/linux/ipv6_route.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0+ WITH Linux-syscall-note */
/*
* Linux INET6 implementation
*
@@ -28,7 +29,7 @@
#define RTF_ROUTEINFO 0x00800000 /* route information - RA */
-#define RTF_CACHE 0x01000000 /* cache entry */
+#define RTF_CACHE 0x01000000 /* read-only: can not be set by user */
#define RTF_FLOW 0x02000000 /* flow significant route */
#define RTF_POLICY 0x04000000 /* policy route */