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-rw-r--r--include/linux/if.h1
1 files changed, 1 insertions, 0 deletions
diff --git a/include/linux/if.h b/include/linux/if.h
index 186070d5c54..5c9d1fa93fe 100644
--- a/include/linux/if.h
+++ b/include/linux/if.h
@@ -63,6 +63,7 @@
#define IFF_MASTER_ALB 0x10 /* bonding master, balance-alb. */
#define IFF_BONDING 0x20 /* bonding master or slave */
#define IFF_SLAVE_NEEDARP 0x40 /* need ARPs for validation */
+#define IFF_ISATAP 0x80 /* ISATAP interface (RFC4214) */
#define IF_GET_IFACE 0x0001 /* for querying only */
#define IF_GET_PROTO 0x0002