usb: gadget: g_ncm added

This patches makes possible to use composite framework and f_ncm
NCM function driver to build a standalone NCM gadget device.

Signed-off-by: Yauheni Kaliuta <yauheni.kaliuta@nokia.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>

1 files changed, 13 insertions, 0 deletions

diff --git a/drivers/usb/gadget/Kconfig b/drivers/usb/gadget/Kconfig
index 7201b4e3277..a776c35ca98 100644
--- a/drivers/usb/gadget/Kconfig
+++ b/drivers/usb/gadget/Kconfig
@@ -741,6 +741,19 @@ config USB_ETH_EEM
          If you say "y" here, the Ethernet gadget driver will use the EEM
          protocol rather than ECM.  If unsure, say "n".
 
+config USB_G_NCM
+        tristate "Network Control Model (NCM) support"
+        depends on NET
+        select CRC32
+        help
+          This driver implements USB CDC NCM subclass standard. NCM is
+          an advanced protocol for Ethernet encapsulation, allows grouping
+          of several ethernet frames into one USB transfer and diffferent
+          alignment possibilities.
+
+          Say "y" to link the driver statically, or "m" to build a
+          dynamically linked module called "g_ncm".
+
 config USB_GADGETFS
         tristate "Gadget Filesystem (EXPERIMENTAL)"
         depends on EXPERIMENTAL