Allow network device drivers to flag specific network devices as being
L2 only, that is, no IPv4/v6 configuration will be allowed on these
interfaces, yet they are still usable as configuration endpoints for
ethtool interfaces.
Signed-off-by: Florian Fainelli <f.faine...@gmail.com>
---
include/uapi/linux/if.h | 5 ++++-
1 file changed, 4 insertions(+), 1 deletion(-)
diff --git a/include/uapi/linux/if.h b/include/uapi/linux/if.h
index 9cf2394f0bcf..2de818930edf 100644
--- a/include/uapi/linux/if.h
+++ b/include/uapi/linux/if.h
@@ -87,6 +87,7 @@ enum net_device_flags {
IFF_LOWER_UP = 1<<16, /* volatile */
IFF_DORMANT = 1<<17, /* volatile */
IFF_ECHO = 1<<18, /* volatile */
+ IFF_L2_ONLY = 1<<19, /* volatile */
};
#define IFF_UP IFF_UP
@@ -108,9 +109,11 @@ enum net_device_flags {
#define IFF_LOWER_UP IFF_LOWER_UP
#define IFF_DORMANT IFF_DORMANT
#define IFF_ECHO IFF_ECHO
+#define IFF_L2_ONLY IFF_L2_ONLY
#define IFF_VOLATILE (IFF_LOOPBACK|IFF_POINTOPOINT|IFF_BROADCAST|IFF_ECHO|\
- IFF_MASTER|IFF_SLAVE|IFF_RUNNING|IFF_LOWER_UP|IFF_DORMANT)
+ IFF_MASTER|IFF_SLAVE|IFF_RUNNING|IFF_LOWER_UP|IFF_DORMANT|\
+ IFF_L2_ONLY)
#define IF_GET_IFACE 0x0001 /* for querying only */
#define IF_GET_PROTO 0x0002
--
2.1.0
--
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