diff options
Diffstat (limited to 'drivers/usb/gadget/u_ether.c')
| -rw-r--r-- | drivers/usb/gadget/u_ether.c | 38 |
1 files changed, 18 insertions, 20 deletions
diff --git a/drivers/usb/gadget/u_ether.c b/drivers/usb/gadget/u_ether.c index 4b76124ce96..5f9dacfe6be 100644 --- a/drivers/usb/gadget/u_ether.c +++ b/drivers/usb/gadget/u_ether.c @@ -63,6 +63,8 @@ struct eth_dev { struct sk_buff_head rx_frames; + unsigned qmult; + unsigned header_len; struct sk_buff *(*wrap)(struct gether *, struct sk_buff *skb); int (*unwrap)(struct gether *, @@ -84,12 +86,8 @@ struct eth_dev { #define DEFAULT_QLEN 2 /* double buffering by default */ -static unsigned qmult = 5; -module_param(qmult, uint, S_IRUGO|S_IWUSR); -MODULE_PARM_DESC(qmult, "queue length multiplier at high/super speed"); - /* for dual-speed hardware, use deeper queues at high/super speed */ -static inline int qlen(struct usb_gadget *gadget) +static inline int qlen(struct usb_gadget *gadget, unsigned qmult) { if (gadget_is_dualspeed(gadget) && (gadget->speed == USB_SPEED_HIGH || gadget->speed == USB_SPEED_SUPER)) @@ -588,7 +586,7 @@ static netdev_tx_t eth_start_xmit(struct sk_buff *skb, if (gadget_is_dualspeed(dev->gadget)) req->no_interrupt = (dev->gadget->speed == USB_SPEED_HIGH || dev->gadget->speed == USB_SPEED_SUPER) - ? ((atomic_read(&dev->tx_qlen) % qmult) != 0) + ? ((atomic_read(&dev->tx_qlen) % dev->qmult) != 0) : 0; retval = usb_ep_queue(in, req, GFP_ATOMIC); @@ -697,16 +695,6 @@ static int eth_stop(struct net_device *net) /*-------------------------------------------------------------------------*/ -/* initial value, changed by "ifconfig usb0 hw ether xx:xx:xx:xx:xx:xx" */ -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 *host_addr; -module_param(host_addr, charp, S_IRUGO); -MODULE_PARM_DESC(host_addr, "Host Ethernet Address"); - static int get_ether_addr(const char *str, u8 *dev_addr) { if (str) { @@ -755,8 +743,9 @@ static struct device_type gadget_type = { * * Returns negative errno, or zero on success */ -struct eth_dev *gether_setup_name(struct usb_gadget *g, u8 ethaddr[ETH_ALEN], - const char *netname) +struct eth_dev *gether_setup_name(struct usb_gadget *g, + const char *dev_addr, const char *host_addr, + u8 ethaddr[ETH_ALEN], unsigned qmult, const char *netname) { struct eth_dev *dev; struct net_device *net; @@ -777,6 +766,7 @@ struct eth_dev *gether_setup_name(struct usb_gadget *g, u8 ethaddr[ETH_ALEN], /* network device setup */ dev->net = net; + dev->qmult = qmult; snprintf(net->name, sizeof(net->name), "%s%%d", netname); if (get_ether_addr(dev_addr, net->dev_addr)) @@ -815,6 +805,7 @@ struct eth_dev *gether_setup_name(struct usb_gadget *g, u8 ethaddr[ETH_ALEN], return dev; } +EXPORT_SYMBOL(gether_setup_name); /** * gether_cleanup - remove Ethernet-over-USB device @@ -831,6 +822,7 @@ void gether_cleanup(struct eth_dev *dev) flush_work(&dev->work); free_netdev(dev->net); } +EXPORT_SYMBOL(gether_cleanup); /** * gether_connect - notify network layer that USB link is active @@ -873,11 +865,12 @@ struct net_device *gether_connect(struct gether *link) } if (result == 0) - result = alloc_requests(dev, link, qlen(dev->gadget)); + result = alloc_requests(dev, link, qlen(dev->gadget, + dev->qmult)); if (result == 0) { dev->zlp = link->is_zlp_ok; - DBG(dev, "qlen %d\n", qlen(dev->gadget)); + DBG(dev, "qlen %d\n", qlen(dev->gadget, dev->qmult)); dev->header_len = link->header_len; dev->unwrap = link->unwrap; @@ -910,6 +903,7 @@ fail0: return ERR_PTR(result); return dev->net; } +EXPORT_SYMBOL(gether_connect); /** * gether_disconnect - notify network layer that USB link is inactive @@ -980,3 +974,7 @@ void gether_disconnect(struct gether *link) dev->port_usb = NULL; spin_unlock(&dev->lock); } +EXPORT_SYMBOL(gether_disconnect); + +MODULE_LICENSE("GPL"); +MODULE_AUTHOR("David Brownell"); |