[MACVLAN]: Update Kconfig to refer to iproute

Since the macvlan release I had at least 5 users asking how to configure
it since the old userspace tool doesn't work with the version in the
kernel. Add a pointer to the Kconfig help.

Signed-off-by: Patrick McHardy <kaber@trash.net>
Signed-off-by: David S. Miller <davem@davemloft.net>

1 files changed, 5 insertions, 0 deletions

diff --git a/drivers/net/Kconfig b/drivers/net/Kconfig
index f337800076c0..a20e72f5ad28 100644
--- a/drivers/net/Kconfig
+++ b/drivers/net/Kconfig
@@ -90,6 +90,11 @@ config MACVLAN
           This allows one to create virtual interfaces that map packets to
           or from specific MAC addresses to a particular interface.
 
+          Macvlan devices can be added using the "ip" command from the
+          iproute2 package starting with the iproute2-2.6.23 release:
+
+          "ip link add link <real dev> [ address MAC ] [ NAME ] type macvlan"
+
           To compile this driver as a module, choose M here: the module
           will be called macvlan.