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path: root/drivers/usb/gadget/ether.c
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Diffstat (limited to 'drivers/usb/gadget/ether.c')
-rw-r--r--drivers/usb/gadget/ether.c53
1 files changed, 39 insertions, 14 deletions
diff --git a/drivers/usb/gadget/ether.c b/drivers/usb/gadget/ether.c
index afc84cfb61f9..c3d8e5c5bf28 100644
--- a/drivers/usb/gadget/ether.c
+++ b/drivers/usb/gadget/ether.c
@@ -182,33 +182,37 @@ struct eth_dev {
* parameters are in UTF-8 (superset of ASCII's 7 bit characters).
*/
-static ushort __initdata idVendor;
+static ushort idVendor;
module_param(idVendor, ushort, S_IRUGO);
MODULE_PARM_DESC(idVendor, "USB Vendor ID");
-static ushort __initdata idProduct;
+static ushort idProduct;
module_param(idProduct, ushort, S_IRUGO);
MODULE_PARM_DESC(idProduct, "USB Product ID");
-static ushort __initdata bcdDevice;
+static ushort bcdDevice;
module_param(bcdDevice, ushort, S_IRUGO);
MODULE_PARM_DESC(bcdDevice, "USB Device version (BCD)");
-static char *__initdata iManufacturer;
+static char *iManufacturer;
module_param(iManufacturer, charp, S_IRUGO);
MODULE_PARM_DESC(iManufacturer, "USB Manufacturer string");
-static char *__initdata iProduct;
+static char *iProduct;
module_param(iProduct, charp, S_IRUGO);
MODULE_PARM_DESC(iProduct, "USB Product string");
+static char *iSerialNumber;
+module_param(iSerialNumber, charp, S_IRUGO);
+MODULE_PARM_DESC(iSerialNumber, "SerialNumber");
+
/* initial value, changed by "ifconfig usb0 hw ether xx:xx:xx:xx:xx:xx" */
-static char *__initdata dev_addr;
+static char *dev_addr;
module_param(dev_addr, charp, S_IRUGO);
MODULE_PARM_DESC(dev_addr, "Device Ethernet Address");
/* this address is invisible to ifconfig */
-static char *__initdata host_addr;
+static char *host_addr;
module_param(host_addr, charp, S_IRUGO);
MODULE_PARM_DESC(host_addr, "Host Ethernet Address");
@@ -253,6 +257,14 @@ MODULE_PARM_DESC(host_addr, "Host Ethernet Address");
#define DEV_CONFIG_CDC
#endif
+#ifdef CONFIG_USB_GADGET_MUSBHSFC
+#define DEV_CONFIG_CDC
+#endif
+
+#ifdef CONFIG_USB_GADGET_MUSBHDRC
+#define DEV_CONFIG_CDC
+#endif
+
/* For CDC-incapable hardware, choose the simple cdc subset.
* Anything that talks bulk (without notable bugs) can do this.
@@ -395,6 +407,7 @@ static inline int BITRATE(struct usb_gadget *g)
#define STRING_CDC 7
#define STRING_SUBSET 8
#define STRING_RNDIS 9
+#define STRING_SERIALNUMBER 10
/* holds our biggest descriptor (or RNDIS response) */
#define USB_BUFSIZ 256
@@ -862,6 +875,7 @@ static inline void __init hs_subset_descriptors(void)
static char manufacturer [50];
static char product_desc [40] = DRIVER_DESC;
+static char serial_number [20];
#ifdef DEV_CONFIG_CDC
/* address that the host will use ... usually assigned at random */
@@ -872,6 +886,7 @@ static char ethaddr [2 * ETH_ALEN + 1];
static struct usb_string strings [] = {
{ STRING_MANUFACTURER, manufacturer, },
{ STRING_PRODUCT, product_desc, },
+ { STRING_SERIALNUMBER, serial_number, },
{ STRING_DATA, "Ethernet Data", },
#ifdef DEV_CONFIG_CDC
{ STRING_CDC, "CDC Ethernet", },
@@ -1549,7 +1564,8 @@ static int eth_change_mtu (struct net_device *net, int new_mtu)
{
struct eth_dev *dev = netdev_priv(net);
- // FIXME if rndis, don't change while link's live
+ if (dev->rndis)
+ return -EBUSY;
if (new_mtu <= ETH_HLEN || new_mtu > ETH_FRAME_LEN)
return -ERANGE;
@@ -2116,7 +2132,7 @@ eth_req_free (struct usb_ep *ep, struct usb_request *req)
}
-static void
+static void __exit
eth_unbind (struct usb_gadget *gadget)
{
struct eth_dev *dev = get_gadget_data (gadget);
@@ -2153,7 +2169,7 @@ static u8 __init nibble (unsigned char c)
return 0;
}
-static void __init get_ether_addr (const char *str, u8 *dev_addr)
+static int __init get_ether_addr(const char *str, u8 *dev_addr)
{
if (str) {
unsigned i;
@@ -2168,9 +2184,10 @@ static void __init get_ether_addr (const char *str, u8 *dev_addr)
dev_addr [i] = num;
}
if (is_valid_ether_addr (dev_addr))
- return;
+ return 0;
}
random_ether_addr(dev_addr);
+ return 1;
}
static int __init
@@ -2268,6 +2285,10 @@ eth_bind (struct usb_gadget *gadget)
strlcpy (manufacturer, iManufacturer, sizeof manufacturer);
if (iProduct)
strlcpy (product_desc, iProduct, sizeof product_desc);
+ if (iSerialNumber) {
+ device_desc.iSerialNumber = STRING_SERIALNUMBER,
+ strlcpy(serial_number, iSerialNumber, sizeof serial_number);
+ }
/* all we really need is bulk IN/OUT */
usb_ep_autoconfig_reset (gadget);
@@ -2377,9 +2398,13 @@ autoconf_fail:
* The host side address is used with CDC and RNDIS, and commonly
* ends up in a persistent config database.
*/
- get_ether_addr(dev_addr, net->dev_addr);
+ if (get_ether_addr(dev_addr, net->dev_addr))
+ dev_warn(&gadget->dev,
+ "using random %s ethernet address\n", "self");
if (cdc || rndis) {
- get_ether_addr(host_addr, dev->host_mac);
+ if (get_ether_addr(host_addr, dev->host_mac))
+ dev_warn(&gadget->dev,
+ "using random %s ethernet address\n", "host");
#ifdef DEV_CONFIG_CDC
snprintf (ethaddr, sizeof ethaddr, "%02X%02X%02X%02X%02X%02X",
dev->host_mac [0], dev->host_mac [1],
@@ -2523,7 +2548,7 @@ static struct usb_gadget_driver eth_driver = {
.function = (char *) driver_desc,
.bind = eth_bind,
- .unbind = eth_unbind,
+ .unbind = __exit_p(eth_unbind),
.setup = eth_setup,
.disconnect = eth_disconnect,