[PATCH v4 33/46] usb/gadget: g_ffs: convert to new interface of f_rndis

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Signed-off-by: Andrzej Pietrasiewicz <andrzej.p@xxxxxxxxxxx>
Signed-off-by: Kyungmin Park <kyungmin.park@xxxxxxxxxxx>
---
 drivers/usb/gadget/Kconfig |    1 +
 drivers/usb/gadget/g_ffs.c |   51 +++++++++++++++++++++++++++++++++++++++++--
 2 files changed, 49 insertions(+), 3 deletions(-)

diff --git a/drivers/usb/gadget/Kconfig b/drivers/usb/gadget/Kconfig
index 7310538..46cef77 100644
--- a/drivers/usb/gadget/Kconfig
+++ b/drivers/usb/gadget/Kconfig
@@ -806,6 +806,7 @@ config USB_FUNCTIONFS_RNDIS
 	depends on USB_FUNCTIONFS && NET
 	select USB_U_ETHER
 	select USB_U_RNDIS
+	select USB_F_RNDIS
 	help
 	  Include a configuration with RNDIS function (Ethernet) and the Filesystem.
 
diff --git a/drivers/usb/gadget/g_ffs.c b/drivers/usb/gadget/g_ffs.c
index 664e685..deaa11a 100644
--- a/drivers/usb/gadget/g_ffs.c
+++ b/drivers/usb/gadget/g_ffs.c
@@ -31,8 +31,7 @@
 #  include "u_ecm.h"
 #  include "u_gether.h"
 #  ifdef USB_ETH_RNDIS
-#    define USB_FRNDIS_INCLUDED
-#    include "f_rndis.c"
+#    include "u_rndis.h"
 #    include "rndis.h"
 #  endif
 #  include "u_ether.h"
@@ -43,6 +42,11 @@ static struct eth_dev *the_dev;
 static int eth_bind_config(struct usb_configuration *c, u8 ethaddr[ETH_ALEN],
 		struct eth_dev *dev);
 #  endif
+#  ifdef CONFIG_USB_FUNCTIONFS_RNDIS
+
+static int rndis_new_bind_config(struct usb_configuration *c,
+				 u8 ethaddr[ETH_ALEN], struct eth_dev *dev);
+#  endif
 #else
 #  define the_dev	NULL
 #  define gether_cleanup(dev) do { } while (0)
@@ -147,7 +151,7 @@ static struct gfs_configuration {
 } gfs_configurations[] = {
 #ifdef CONFIG_USB_FUNCTIONFS_RNDIS
 	{
-		.eth		= rndis_bind_config,
+		.eth		= rndis_new_bind_config,
 	},
 #endif
 
@@ -574,3 +578,44 @@ static int eth_bind_config(struct usb_configuration *c, u8 ethaddr[ETH_ALEN],
 }
 
 #endif
+
+#ifdef CONFIG_USB_FUNCTIONFS_RNDIS
+
+static int rndis_new_bind_config(struct usb_configuration *c,
+				 u8 ethaddr[ETH_ALEN], struct eth_dev *dev)
+{
+	struct gfs_configuration *gfs_conf;
+	struct usb_function_instance *f_rndis_inst;
+	struct usb_function *f_rndis;
+	struct f_rndis_opts *rndis_opts;
+	int status;
+
+	gfs_conf = to_gfs_configuration(c);
+	gfs_conf->fi = f_rndis_inst = usb_get_function_instance("rndis");
+	if (IS_ERR(f_rndis_inst))
+		return PTR_ERR(f_rndis_inst);
+
+	rndis_opts = container_of(f_rndis_inst, struct f_rndis_opts, func_inst);
+	rndis_opts->ethaddr = ethaddr;
+	rndis_opts->vendor_id = 0;
+	rndis_opts->manufacturer = NULL;
+	rndis_opts->dev = dev;
+
+	gfs_conf->f = f_rndis = usb_get_function(f_rndis_inst);
+	if (IS_ERR(f_rndis)) {
+		status = PTR_ERR(f_rndis);
+		usb_put_function_instance(f_rndis_inst);
+		return status;
+	}
+
+	status = usb_add_function(c, f_rndis);
+	if (status < 0) {
+		usb_put_function(f_rndis);
+		usb_put_function_instance(f_rndis_inst);
+		return status;
+	}
+
+	return 0;
+}
+
+#endif
-- 
1.7.0.4

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