Sync: merge r215944 through r216132 from ^/head.

Removes a unused function `usb_bus_find'.

Sync: merge r215464 through r215708 from ^/head.

Adds a USB packet filter feature to the stack that it could capture
packets which go through each USB host controllers. Its implementations
are almost based on BPF code and very similar with it exce

Adds a USB packet filter feature to the stack that it could capture
packets which go through each USB host controllers. Its implementations
are almost based on BPF code and very similar with it except it's
little bit customized for USB packet only. The userland program
usbdump(8) would be committed soon.

Discussed with: hps, thompsa, yongari

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Merge svn+ssh://svn.freebsd.org/base/head@214309

This commit adds full support for USB 3.0 devices in host and device
mode in the USB core. The patch mostly consists of updating the USB
HUB code to support USB 3.0 HUBs. This patch also add some mo

This commit adds full support for USB 3.0 devices in host and device
mode in the USB core. The patch mostly consists of updating the USB
HUB code to support USB 3.0 HUBs. This patch also add some more USB
controller methods to support more active-alike USB controllers like
the XHCI which needs to be informed about various device state events.

USB 3.0 HUBs are not tested yet, due to lack of hardware, but are
believed to work.

After this update the initial device descriptor is only read twice
when we know that the bMaxPacketSize is too small for a single packet
transfer of this descriptor.

Approved by: thompsa (mentor)

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Add support for power mode filtering as some USB hardware does not support
power saving.

Submitted by: Hans Petter Selasky

Change argument for usbd_get_dma_delay() from USB bus to USB device, some
embedded hardware needs to know exactly which device is in question before it
exactly can decide the required delay.

Submitt

Change argument for usbd_get_dma_delay() from USB bus to USB device, some
embedded hardware needs to know exactly which device is in question before it
exactly can decide the required delay.

Submitted by: Hans Petter Selasky

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Merge from head

Merge r188942 (USB stack switch) from head.

- MFC @196061

USB CORE:
- Add minimum polling support to drive UMASS
and UKBD in case of panic.
- Add extra check to ukbd probe to fix problem about
mouse devices attaching like keyboards.
- P4 ID: 166148

Sub

USB CORE:
- Add minimum polling support to drive UMASS
and UKBD in case of panic.
- Add extra check to ukbd probe to fix problem about
mouse devices attaching like keyboards.
- P4 ID: 166148

Submitted by: hps
Approved by: re

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- MFC

Sync to p4

- Add support for devices that handle set and clear stall in hardware.
- Add missing get timestamp function
- Add more xfer flags

Submitted by: Hans Petter Selasky
Approved by: re (ki

Sync to p4

- Add support for devices that handle set and clear stall in hardware.
- Add missing get timestamp function
- Add more xfer flags

Submitted by: Hans Petter Selasky
Approved by: re (kib)

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- Make struct usb_xfer opaque so that drivers can not access the internals
- Reduce the number of headers needed for a usb driver, the common case is just usb.h and usbdi.h

Fix _USB2_* refernces in the header protection defines.

s/usb2_/usb_|usbd_/ on all function names for the USB stack.

- Merge from HEAD

Rename usb pipes to endpoints as it better represents what they are, and struct
usb_pipe may be used for a different purpose later on.

Revert the size_t part of the last commit for the moment, this blows up the
USB_ADD_BYTES macro.

s/usb2_/usb_/ on all typedefs for the USB stack.

s/usb2_/usb_/ on all C structs for the USB stack.

Merge from HEAD

Use enums for speed and rev data types.

Merge from HEAD