missing.h: define IFLA_EXT_MASK

We already define IFLA_PROMISCUITY and some other of these masks in
order to allow building with older headers.  Define IFLA_EXT_MASK too,
which was added in the same kernel version as IFLA_PROMISCUITY (v3.10).

diff --git a/src/basic/missing.h b/src/basic/missing.h
index ec390f4f9a4873020e5630d0f48def6ded920459..40d0bf01b66d0124edc6492bbc15905b45be501e 100644 (file)
--- a/src/basic/missing.h
+++ b/src/basic/missing.h
@@ -723,6 +723,7 @@ static inline int setns(int fd, int nstype) {
 #endif
 
 #if !HAVE_DECL_IFLA_PHYS_PORT_ID
+#define IFLA_EXT_MASK 29
 #undef IFLA_PROMISCUITY
 #define IFLA_PROMISCUITY 30
 #define IFLA_NUM_TX_QUEUES 31