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651 lines
20 KiB
651 lines
20 KiB
// SPDX-License-Identifier: GPL-2.0-or-later |
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/* |
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* Host Side support for RNDIS Networking Links |
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* Copyright (C) 2005 by David Brownell |
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*/ |
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#include <linux/module.h> |
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#include <linux/netdevice.h> |
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#include <linux/etherdevice.h> |
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#include <linux/ethtool.h> |
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#include <linux/workqueue.h> |
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#include <linux/slab.h> |
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#include <linux/mii.h> |
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#include <linux/usb.h> |
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#include <linux/usb/cdc.h> |
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#include <linux/usb/usbnet.h> |
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#include <linux/usb/rndis_host.h> |
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|
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|
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/* |
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* RNDIS is NDIS remoted over USB. It's a MSFT variant of CDC ACM ... of |
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* course ACM was intended for modems, not Ethernet links! USB's standard |
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* for Ethernet links is "CDC Ethernet", which is significantly simpler. |
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* |
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* NOTE that Microsoft's "RNDIS 1.0" specification is incomplete. Issues |
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* include: |
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* - Power management in particular relies on information that's scattered |
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* through other documentation, and which is incomplete or incorrect even |
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* there. |
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* - There are various undocumented protocol requirements, such as the |
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* need to send unused garbage in control-OUT messages. |
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* - In some cases, MS-Windows will emit undocumented requests; this |
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* matters more to peripheral implementations than host ones. |
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* |
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* Moreover there's a no-open-specs variant of RNDIS called "ActiveSync". |
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* |
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* For these reasons and others, ** USE OF RNDIS IS STRONGLY DISCOURAGED ** in |
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* favor of such non-proprietary alternatives as CDC Ethernet or the newer (and |
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* currently rare) "Ethernet Emulation Model" (EEM). |
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*/ |
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|
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/* |
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* RNDIS notifications from device: command completion; "reverse" |
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* keepalives; etc |
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*/ |
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void rndis_status(struct usbnet *dev, struct urb *urb) |
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{ |
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netdev_dbg(dev->net, "rndis status urb, len %d stat %d\n", |
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urb->actual_length, urb->status); |
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// FIXME for keepalives, respond immediately (asynchronously) |
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// if not an RNDIS status, do like cdc_status(dev,urb) does |
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} |
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EXPORT_SYMBOL_GPL(rndis_status); |
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|
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/* |
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* RNDIS indicate messages. |
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*/ |
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static void rndis_msg_indicate(struct usbnet *dev, struct rndis_indicate *msg, |
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int buflen) |
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{ |
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struct cdc_state *info = (void *)&dev->data; |
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struct device *udev = &info->control->dev; |
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|
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if (dev->driver_info->indication) { |
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dev->driver_info->indication(dev, msg, buflen); |
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} else { |
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u32 status = le32_to_cpu(msg->status); |
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|
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switch (status) { |
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case RNDIS_STATUS_MEDIA_CONNECT: |
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dev_info(udev, "rndis media connect\n"); |
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break; |
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case RNDIS_STATUS_MEDIA_DISCONNECT: |
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dev_info(udev, "rndis media disconnect\n"); |
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break; |
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default: |
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dev_info(udev, "rndis indication: 0x%08x\n", status); |
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} |
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} |
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} |
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|
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/* |
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* RPC done RNDIS-style. Caller guarantees: |
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* - message is properly byteswapped |
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* - there's no other request pending |
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* - buf can hold up to 1KB response (required by RNDIS spec) |
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* On return, the first few entries are already byteswapped. |
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* |
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* Call context is likely probe(), before interface name is known, |
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* which is why we won't try to use it in the diagnostics. |
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*/ |
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int rndis_command(struct usbnet *dev, struct rndis_msg_hdr *buf, int buflen) |
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{ |
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struct cdc_state *info = (void *) &dev->data; |
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struct usb_cdc_notification notification; |
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int master_ifnum; |
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int retval; |
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int partial; |
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unsigned count; |
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u32 xid = 0, msg_len, request_id, msg_type, rsp, |
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status; |
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|
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/* REVISIT when this gets called from contexts other than probe() or |
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* disconnect(): either serialize, or dispatch responses on xid |
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*/ |
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|
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msg_type = le32_to_cpu(buf->msg_type); |
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|
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/* Issue the request; xid is unique, don't bother byteswapping it */ |
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if (likely(msg_type != RNDIS_MSG_HALT && msg_type != RNDIS_MSG_RESET)) { |
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xid = dev->xid++; |
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if (!xid) |
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xid = dev->xid++; |
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buf->request_id = (__force __le32) xid; |
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} |
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master_ifnum = info->control->cur_altsetting->desc.bInterfaceNumber; |
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retval = usb_control_msg(dev->udev, |
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usb_sndctrlpipe(dev->udev, 0), |
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USB_CDC_SEND_ENCAPSULATED_COMMAND, |
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USB_TYPE_CLASS | USB_RECIP_INTERFACE, |
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0, master_ifnum, |
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buf, le32_to_cpu(buf->msg_len), |
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RNDIS_CONTROL_TIMEOUT_MS); |
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if (unlikely(retval < 0 || xid == 0)) |
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return retval; |
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|
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/* Some devices don't respond on the control channel until |
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* polled on the status channel, so do that first. */ |
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if (dev->driver_info->data & RNDIS_DRIVER_DATA_POLL_STATUS) { |
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retval = usb_interrupt_msg( |
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dev->udev, |
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usb_rcvintpipe(dev->udev, |
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dev->status->desc.bEndpointAddress), |
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¬ification, sizeof(notification), &partial, |
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RNDIS_CONTROL_TIMEOUT_MS); |
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if (unlikely(retval < 0)) |
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return retval; |
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} |
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|
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/* Poll the control channel; the request probably completed immediately */ |
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rsp = le32_to_cpu(buf->msg_type) | RNDIS_MSG_COMPLETION; |
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for (count = 0; count < 10; count++) { |
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memset(buf, 0, CONTROL_BUFFER_SIZE); |
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retval = usb_control_msg(dev->udev, |
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usb_rcvctrlpipe(dev->udev, 0), |
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USB_CDC_GET_ENCAPSULATED_RESPONSE, |
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USB_DIR_IN | USB_TYPE_CLASS | USB_RECIP_INTERFACE, |
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0, master_ifnum, |
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buf, buflen, |
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RNDIS_CONTROL_TIMEOUT_MS); |
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if (likely(retval >= 8)) { |
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msg_type = le32_to_cpu(buf->msg_type); |
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msg_len = le32_to_cpu(buf->msg_len); |
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status = le32_to_cpu(buf->status); |
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request_id = (__force u32) buf->request_id; |
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if (likely(msg_type == rsp)) { |
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if (likely(request_id == xid)) { |
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if (unlikely(rsp == RNDIS_MSG_RESET_C)) |
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return 0; |
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if (likely(RNDIS_STATUS_SUCCESS == |
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status)) |
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return 0; |
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dev_dbg(&info->control->dev, |
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"rndis reply status %08x\n", |
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status); |
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return -EL3RST; |
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} |
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dev_dbg(&info->control->dev, |
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"rndis reply id %d expected %d\n", |
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request_id, xid); |
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/* then likely retry */ |
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} else switch (msg_type) { |
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case RNDIS_MSG_INDICATE: /* fault/event */ |
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rndis_msg_indicate(dev, (void *)buf, buflen); |
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break; |
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case RNDIS_MSG_KEEPALIVE: { /* ping */ |
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struct rndis_keepalive_c *msg = (void *)buf; |
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|
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msg->msg_type = cpu_to_le32(RNDIS_MSG_KEEPALIVE_C); |
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msg->msg_len = cpu_to_le32(sizeof *msg); |
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msg->status = cpu_to_le32(RNDIS_STATUS_SUCCESS); |
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retval = usb_control_msg(dev->udev, |
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usb_sndctrlpipe(dev->udev, 0), |
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USB_CDC_SEND_ENCAPSULATED_COMMAND, |
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USB_TYPE_CLASS | USB_RECIP_INTERFACE, |
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0, master_ifnum, |
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msg, sizeof *msg, |
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RNDIS_CONTROL_TIMEOUT_MS); |
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if (unlikely(retval < 0)) |
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dev_dbg(&info->control->dev, |
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"rndis keepalive err %d\n", |
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retval); |
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} |
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break; |
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default: |
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dev_dbg(&info->control->dev, |
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"unexpected rndis msg %08x len %d\n", |
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le32_to_cpu(buf->msg_type), msg_len); |
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} |
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} else { |
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/* device probably issued a protocol stall; ignore */ |
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dev_dbg(&info->control->dev, |
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"rndis response error, code %d\n", retval); |
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} |
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msleep(40); |
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} |
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dev_dbg(&info->control->dev, "rndis response timeout\n"); |
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return -ETIMEDOUT; |
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} |
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EXPORT_SYMBOL_GPL(rndis_command); |
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|
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/* |
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* rndis_query: |
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* |
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* Performs a query for @oid along with 0 or more bytes of payload as |
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* specified by @in_len. If @reply_len is not set to -1 then the reply |
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* length is checked against this value, resulting in an error if it |
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* doesn't match. |
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* |
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* NOTE: Adding a payload exactly or greater than the size of the expected |
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* response payload is an evident requirement MSFT added for ActiveSync. |
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* |
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* The only exception is for OIDs that return a variably sized response, |
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* in which case no payload should be added. This undocumented (and |
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* nonsensical!) issue was found by sniffing protocol requests from the |
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* ActiveSync 4.1 Windows driver. |
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*/ |
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static int rndis_query(struct usbnet *dev, struct usb_interface *intf, |
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void *buf, u32 oid, u32 in_len, |
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void **reply, int *reply_len) |
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{ |
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int retval; |
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union { |
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void *buf; |
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struct rndis_msg_hdr *header; |
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struct rndis_query *get; |
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struct rndis_query_c *get_c; |
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} u; |
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u32 off, len; |
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|
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u.buf = buf; |
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|
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memset(u.get, 0, sizeof *u.get + in_len); |
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u.get->msg_type = cpu_to_le32(RNDIS_MSG_QUERY); |
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u.get->msg_len = cpu_to_le32(sizeof *u.get + in_len); |
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u.get->oid = cpu_to_le32(oid); |
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u.get->len = cpu_to_le32(in_len); |
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u.get->offset = cpu_to_le32(20); |
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|
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retval = rndis_command(dev, u.header, CONTROL_BUFFER_SIZE); |
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if (unlikely(retval < 0)) { |
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dev_err(&intf->dev, "RNDIS_MSG_QUERY(0x%08x) failed, %d\n", |
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oid, retval); |
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return retval; |
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} |
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|
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off = le32_to_cpu(u.get_c->offset); |
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len = le32_to_cpu(u.get_c->len); |
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if (unlikely((8 + off + len) > CONTROL_BUFFER_SIZE)) |
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goto response_error; |
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|
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if (*reply_len != -1 && len != *reply_len) |
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goto response_error; |
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*reply = (unsigned char *) &u.get_c->request_id + off; |
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*reply_len = len; |
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return retval; |
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response_error: |
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dev_err(&intf->dev, "RNDIS_MSG_QUERY(0x%08x) " |
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"invalid response - off %d len %d\n", |
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oid, off, len); |
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return -EDOM; |
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} |
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|
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/* same as usbnet_netdev_ops but MTU change not allowed */ |
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static const struct net_device_ops rndis_netdev_ops = { |
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.ndo_open = usbnet_open, |
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.ndo_stop = usbnet_stop, |
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.ndo_start_xmit = usbnet_start_xmit, |
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.ndo_tx_timeout = usbnet_tx_timeout, |
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.ndo_get_stats64 = dev_get_tstats64, |
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.ndo_set_mac_address = eth_mac_addr, |
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.ndo_validate_addr = eth_validate_addr, |
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}; |
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|
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int |
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generic_rndis_bind(struct usbnet *dev, struct usb_interface *intf, int flags) |
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{ |
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int retval; |
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struct net_device *net = dev->net; |
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struct cdc_state *info = (void *) &dev->data; |
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union { |
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void *buf; |
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struct rndis_msg_hdr *header; |
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struct rndis_init *init; |
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struct rndis_init_c *init_c; |
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struct rndis_query *get; |
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struct rndis_query_c *get_c; |
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struct rndis_set *set; |
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struct rndis_set_c *set_c; |
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struct rndis_halt *halt; |
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} u; |
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u32 tmp; |
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__le32 phym_unspec, *phym; |
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int reply_len; |
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unsigned char *bp; |
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|
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/* we can't rely on i/o from stack working, or stack allocation */ |
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u.buf = kmalloc(CONTROL_BUFFER_SIZE, GFP_KERNEL); |
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if (!u.buf) |
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return -ENOMEM; |
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retval = usbnet_generic_cdc_bind(dev, intf); |
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if (retval < 0) |
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goto fail; |
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u.init->msg_type = cpu_to_le32(RNDIS_MSG_INIT); |
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u.init->msg_len = cpu_to_le32(sizeof *u.init); |
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u.init->major_version = cpu_to_le32(1); |
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u.init->minor_version = cpu_to_le32(0); |
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|
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/* max transfer (in spec) is 0x4000 at full speed, but for |
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* TX we'll stick to one Ethernet packet plus RNDIS framing. |
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* For RX we handle drivers that zero-pad to end-of-packet. |
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* Don't let userspace change these settings. |
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* |
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* NOTE: there still seems to be weirdness here, as if we need |
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* to do some more things to make sure WinCE targets accept this. |
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* They default to jumbograms of 8KB or 16KB, which is absurd |
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* for such low data rates and which is also more than Linux |
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* can usually expect to allocate for SKB data... |
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*/ |
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net->hard_header_len += sizeof (struct rndis_data_hdr); |
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dev->hard_mtu = net->mtu + net->hard_header_len; |
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|
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dev->maxpacket = usb_maxpacket(dev->udev, dev->out, 1); |
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if (dev->maxpacket == 0) { |
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netif_dbg(dev, probe, dev->net, |
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"dev->maxpacket can't be 0\n"); |
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retval = -EINVAL; |
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goto fail_and_release; |
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} |
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|
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dev->rx_urb_size = dev->hard_mtu + (dev->maxpacket + 1); |
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dev->rx_urb_size &= ~(dev->maxpacket - 1); |
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u.init->max_transfer_size = cpu_to_le32(dev->rx_urb_size); |
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|
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net->netdev_ops = &rndis_netdev_ops; |
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|
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retval = rndis_command(dev, u.header, CONTROL_BUFFER_SIZE); |
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if (unlikely(retval < 0)) { |
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/* it might not even be an RNDIS device!! */ |
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dev_err(&intf->dev, "RNDIS init failed, %d\n", retval); |
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goto fail_and_release; |
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} |
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tmp = le32_to_cpu(u.init_c->max_transfer_size); |
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if (tmp < dev->hard_mtu) { |
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if (tmp <= net->hard_header_len) { |
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dev_err(&intf->dev, |
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"dev can't take %u byte packets (max %u)\n", |
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dev->hard_mtu, tmp); |
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retval = -EINVAL; |
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goto halt_fail_and_release; |
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} |
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dev_warn(&intf->dev, |
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"dev can't take %u byte packets (max %u), " |
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"adjusting MTU to %u\n", |
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dev->hard_mtu, tmp, tmp - net->hard_header_len); |
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dev->hard_mtu = tmp; |
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net->mtu = dev->hard_mtu - net->hard_header_len; |
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} |
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|
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/* REVISIT: peripheral "alignment" request is ignored ... */ |
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dev_dbg(&intf->dev, |
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"hard mtu %u (%u from dev), rx buflen %zu, align %d\n", |
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dev->hard_mtu, tmp, dev->rx_urb_size, |
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1 << le32_to_cpu(u.init_c->packet_alignment)); |
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|
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/* module has some device initialization code needs to be done right |
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* after RNDIS_INIT */ |
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if (dev->driver_info->early_init && |
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dev->driver_info->early_init(dev) != 0) |
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goto halt_fail_and_release; |
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|
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/* Check physical medium */ |
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phym = NULL; |
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reply_len = sizeof *phym; |
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retval = rndis_query(dev, intf, u.buf, |
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RNDIS_OID_GEN_PHYSICAL_MEDIUM, |
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reply_len, (void **)&phym, &reply_len); |
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if (retval != 0 || !phym) { |
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/* OID is optional so don't fail here. */ |
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phym_unspec = cpu_to_le32(RNDIS_PHYSICAL_MEDIUM_UNSPECIFIED); |
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phym = &phym_unspec; |
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} |
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if ((flags & FLAG_RNDIS_PHYM_WIRELESS) && |
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le32_to_cpup(phym) != RNDIS_PHYSICAL_MEDIUM_WIRELESS_LAN) { |
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netif_dbg(dev, probe, dev->net, |
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"driver requires wireless physical medium, but device is not\n"); |
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retval = -ENODEV; |
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goto halt_fail_and_release; |
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} |
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if ((flags & FLAG_RNDIS_PHYM_NOT_WIRELESS) && |
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le32_to_cpup(phym) == RNDIS_PHYSICAL_MEDIUM_WIRELESS_LAN) { |
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netif_dbg(dev, probe, dev->net, |
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"driver requires non-wireless physical medium, but device is wireless.\n"); |
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retval = -ENODEV; |
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goto halt_fail_and_release; |
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} |
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|
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/* Get designated host ethernet address */ |
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reply_len = ETH_ALEN; |
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retval = rndis_query(dev, intf, u.buf, |
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RNDIS_OID_802_3_PERMANENT_ADDRESS, |
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48, (void **) &bp, &reply_len); |
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if (unlikely(retval< 0)) { |
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dev_err(&intf->dev, "rndis get ethaddr, %d\n", retval); |
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goto halt_fail_and_release; |
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} |
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|
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if (bp[0] & 0x02) |
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eth_hw_addr_random(net); |
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else |
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ether_addr_copy(net->dev_addr, bp); |
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|
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/* set a nonzero filter to enable data transfers */ |
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memset(u.set, 0, sizeof *u.set); |
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u.set->msg_type = cpu_to_le32(RNDIS_MSG_SET); |
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u.set->msg_len = cpu_to_le32(4 + sizeof *u.set); |
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u.set->oid = cpu_to_le32(RNDIS_OID_GEN_CURRENT_PACKET_FILTER); |
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u.set->len = cpu_to_le32(4); |
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u.set->offset = cpu_to_le32((sizeof *u.set) - 8); |
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*(__le32 *)(u.buf + sizeof *u.set) = cpu_to_le32(RNDIS_DEFAULT_FILTER); |
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|
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retval = rndis_command(dev, u.header, CONTROL_BUFFER_SIZE); |
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if (unlikely(retval < 0)) { |
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dev_err(&intf->dev, "rndis set packet filter, %d\n", retval); |
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goto halt_fail_and_release; |
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} |
|
|
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retval = 0; |
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|
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kfree(u.buf); |
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return retval; |
|
|
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halt_fail_and_release: |
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memset(u.halt, 0, sizeof *u.halt); |
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u.halt->msg_type = cpu_to_le32(RNDIS_MSG_HALT); |
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u.halt->msg_len = cpu_to_le32(sizeof *u.halt); |
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(void) rndis_command(dev, (void *)u.halt, CONTROL_BUFFER_SIZE); |
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fail_and_release: |
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usb_set_intfdata(info->data, NULL); |
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usb_driver_release_interface(driver_of(intf), info->data); |
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info->data = NULL; |
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fail: |
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kfree(u.buf); |
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return retval; |
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} |
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EXPORT_SYMBOL_GPL(generic_rndis_bind); |
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|
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static int rndis_bind(struct usbnet *dev, struct usb_interface *intf) |
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{ |
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return generic_rndis_bind(dev, intf, FLAG_RNDIS_PHYM_NOT_WIRELESS); |
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} |
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|
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void rndis_unbind(struct usbnet *dev, struct usb_interface *intf) |
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{ |
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struct rndis_halt *halt; |
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|
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/* try to clear any rndis state/activity (no i/o from stack!) */ |
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halt = kzalloc(CONTROL_BUFFER_SIZE, GFP_KERNEL); |
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if (halt) { |
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halt->msg_type = cpu_to_le32(RNDIS_MSG_HALT); |
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halt->msg_len = cpu_to_le32(sizeof *halt); |
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(void) rndis_command(dev, (void *)halt, CONTROL_BUFFER_SIZE); |
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kfree(halt); |
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} |
|
|
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usbnet_cdc_unbind(dev, intf); |
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} |
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EXPORT_SYMBOL_GPL(rndis_unbind); |
|
|
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/* |
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* DATA -- host must not write zlps |
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*/ |
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int rndis_rx_fixup(struct usbnet *dev, struct sk_buff *skb) |
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{ |
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/* This check is no longer done by usbnet */ |
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if (skb->len < dev->net->hard_header_len) |
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return 0; |
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|
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/* peripheral may have batched packets to us... */ |
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while (likely(skb->len)) { |
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struct rndis_data_hdr *hdr = (void *)skb->data; |
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struct sk_buff *skb2; |
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u32 msg_type, msg_len, data_offset, data_len; |
|
|
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msg_type = le32_to_cpu(hdr->msg_type); |
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msg_len = le32_to_cpu(hdr->msg_len); |
|
data_offset = le32_to_cpu(hdr->data_offset); |
|
data_len = le32_to_cpu(hdr->data_len); |
|
|
|
/* don't choke if we see oob, per-packet data, etc */ |
|
if (unlikely(msg_type != RNDIS_MSG_PACKET || skb->len < msg_len |
|
|| (data_offset + data_len + 8) > msg_len)) { |
|
dev->net->stats.rx_frame_errors++; |
|
netdev_dbg(dev->net, "bad rndis message %d/%d/%d/%d, len %d\n", |
|
le32_to_cpu(hdr->msg_type), |
|
msg_len, data_offset, data_len, skb->len); |
|
return 0; |
|
} |
|
skb_pull(skb, 8 + data_offset); |
|
|
|
/* at most one packet left? */ |
|
if (likely((data_len - skb->len) <= sizeof *hdr)) { |
|
skb_trim(skb, data_len); |
|
break; |
|
} |
|
|
|
/* try to return all the packets in the batch */ |
|
skb2 = skb_clone(skb, GFP_ATOMIC); |
|
if (unlikely(!skb2)) |
|
break; |
|
skb_pull(skb, msg_len - sizeof *hdr); |
|
skb_trim(skb2, data_len); |
|
usbnet_skb_return(dev, skb2); |
|
} |
|
|
|
/* caller will usbnet_skb_return the remaining packet */ |
|
return 1; |
|
} |
|
EXPORT_SYMBOL_GPL(rndis_rx_fixup); |
|
|
|
struct sk_buff * |
|
rndis_tx_fixup(struct usbnet *dev, struct sk_buff *skb, gfp_t flags) |
|
{ |
|
struct rndis_data_hdr *hdr; |
|
struct sk_buff *skb2; |
|
unsigned len = skb->len; |
|
|
|
if (likely(!skb_cloned(skb))) { |
|
int room = skb_headroom(skb); |
|
|
|
/* enough head room as-is? */ |
|
if (unlikely((sizeof *hdr) <= room)) |
|
goto fill; |
|
|
|
/* enough room, but needs to be readjusted? */ |
|
room += skb_tailroom(skb); |
|
if (likely((sizeof *hdr) <= room)) { |
|
skb->data = memmove(skb->head + sizeof *hdr, |
|
skb->data, len); |
|
skb_set_tail_pointer(skb, len); |
|
goto fill; |
|
} |
|
} |
|
|
|
/* create a new skb, with the correct size (and tailpad) */ |
|
skb2 = skb_copy_expand(skb, sizeof *hdr, 1, flags); |
|
dev_kfree_skb_any(skb); |
|
if (unlikely(!skb2)) |
|
return skb2; |
|
skb = skb2; |
|
|
|
/* fill out the RNDIS header. we won't bother trying to batch |
|
* packets; Linux minimizes wasted bandwidth through tx queues. |
|
*/ |
|
fill: |
|
hdr = __skb_push(skb, sizeof *hdr); |
|
memset(hdr, 0, sizeof *hdr); |
|
hdr->msg_type = cpu_to_le32(RNDIS_MSG_PACKET); |
|
hdr->msg_len = cpu_to_le32(skb->len); |
|
hdr->data_offset = cpu_to_le32(sizeof(*hdr) - 8); |
|
hdr->data_len = cpu_to_le32(len); |
|
|
|
/* FIXME make the last packet always be short ... */ |
|
return skb; |
|
} |
|
EXPORT_SYMBOL_GPL(rndis_tx_fixup); |
|
|
|
|
|
static const struct driver_info rndis_info = { |
|
.description = "RNDIS device", |
|
.flags = FLAG_ETHER | FLAG_POINTTOPOINT | FLAG_FRAMING_RN | FLAG_NO_SETINT, |
|
.bind = rndis_bind, |
|
.unbind = rndis_unbind, |
|
.status = rndis_status, |
|
.rx_fixup = rndis_rx_fixup, |
|
.tx_fixup = rndis_tx_fixup, |
|
}; |
|
|
|
static const struct driver_info rndis_poll_status_info = { |
|
.description = "RNDIS device (poll status before control)", |
|
.flags = FLAG_ETHER | FLAG_POINTTOPOINT | FLAG_FRAMING_RN | FLAG_NO_SETINT, |
|
.data = RNDIS_DRIVER_DATA_POLL_STATUS, |
|
.bind = rndis_bind, |
|
.unbind = rndis_unbind, |
|
.status = rndis_status, |
|
.rx_fixup = rndis_rx_fixup, |
|
.tx_fixup = rndis_tx_fixup, |
|
}; |
|
|
|
/*-------------------------------------------------------------------------*/ |
|
|
|
static const struct usb_device_id products [] = { |
|
{ |
|
/* 2Wire HomePortal 1000SW */ |
|
USB_DEVICE_AND_INTERFACE_INFO(0x1630, 0x0042, |
|
USB_CLASS_COMM, 2 /* ACM */, 0x0ff), |
|
.driver_info = (unsigned long) &rndis_poll_status_info, |
|
}, { |
|
/* Hytera Communications DMR radios' "Radio to PC Network" */ |
|
USB_VENDOR_AND_INTERFACE_INFO(0x238b, |
|
USB_CLASS_COMM, 2 /* ACM */, 0x0ff), |
|
.driver_info = (unsigned long)&rndis_info, |
|
}, { |
|
/* RNDIS is MSFT's un-official variant of CDC ACM */ |
|
USB_INTERFACE_INFO(USB_CLASS_COMM, 2 /* ACM */, 0x0ff), |
|
.driver_info = (unsigned long) &rndis_info, |
|
}, { |
|
/* "ActiveSync" is an undocumented variant of RNDIS, used in WM5 */ |
|
USB_INTERFACE_INFO(USB_CLASS_MISC, 1, 1), |
|
.driver_info = (unsigned long) &rndis_poll_status_info, |
|
}, { |
|
/* RNDIS for tethering */ |
|
USB_INTERFACE_INFO(USB_CLASS_WIRELESS_CONTROLLER, 1, 3), |
|
.driver_info = (unsigned long) &rndis_info, |
|
}, { |
|
/* Novatel Verizon USB730L */ |
|
USB_INTERFACE_INFO(USB_CLASS_MISC, 4, 1), |
|
.driver_info = (unsigned long) &rndis_info, |
|
}, |
|
{ }, // END |
|
}; |
|
MODULE_DEVICE_TABLE(usb, products); |
|
|
|
static struct usb_driver rndis_driver = { |
|
.name = "rndis_host", |
|
.id_table = products, |
|
.probe = usbnet_probe, |
|
.disconnect = usbnet_disconnect, |
|
.suspend = usbnet_suspend, |
|
.resume = usbnet_resume, |
|
.disable_hub_initiated_lpm = 1, |
|
}; |
|
|
|
module_usb_driver(rndis_driver); |
|
|
|
MODULE_AUTHOR("David Brownell"); |
|
MODULE_DESCRIPTION("USB Host side RNDIS driver"); |
|
MODULE_LICENSE("GPL");
|
|
|