Implement better error recovery for Transaction Translators, TTs,
found in High Speed USB HUBs which translate from High Speed USB into
FULL or LOW speed USB. In some rare cases SPLIT transactions mi

Implement better error recovery for Transaction Translators, TTs,
found in High Speed USB HUBs which translate from High Speed USB into
FULL or LOW speed USB. In some rare cases SPLIT transactions might get
lost, which might leave the TT in an unknown state. Whenever we detect
such an error try to issue either a clear TT buffer request, or if
that is not possible reset the whole TT.

MFC after: 1 week

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USB method structures for USB controllers and USB pipes should be
constant and does not need to be modified. This also saves a small
amount of RAM.

Merge head r232040 through r257457.
M usr.sbin/portsnap/portsnap/portsnap.8
M usr.sbin/portsnap/portsnap/portsnap.sh
M usr.sbin/tcpdump/tcpdump/Makefile

Fix a deadlock when trying to power off a USB device. The deadlock
happens because the code in question is trying to modify the parent
USB port registers outside the USB explore thread.

MFC after: 3

Fix a deadlock when trying to power off a USB device. The deadlock
happens because the code in question is trying to modify the parent
USB port registers outside the USB explore thread.

MFC after: 3 days

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Merge from head

IFC @ r254014

IFC @253398

Merge fresh head.

- Add more defines to limit USB memory usage and number of allocations
in reduced memory systems.

- Split allocation and freeing of the configuration descriptor into a separate
function, so that the

- Add more defines to limit USB memory usage and number of allocations
in reduced memory systems.

- Split allocation and freeing of the configuration descriptor into a separate
function, so that the configuration descriptor can be made fixed size
to save memory allocations. This applies for both device and host mode.

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Add some defines to limit USB memory usage in reduced memory systems.

sync from head

IFC @247348.

Resolve a LOR after r246616. Protect control requests using the USB device
enumeration lock. Make sure all callers of usbd_enum_lock() check the return
value. Remove the control transfer specific loc

Resolve a LOR after r246616. Protect control requests using the USB device
enumeration lock. Make sure all callers of usbd_enum_lock() check the return
value. Remove the control transfer specific lock. Bump the FreeBSD version
number, hence external USB modules may need to be recompiled due to a USB
device structure change.

MFC after: 1 week

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- Move scratch data from the USB bus structure to the USB device structure
so that simultaneous access cannot happen. Protect scratch area using
the enumeration lock. Also reduce stack usage in usbd_

- Move scratch data from the USB bus structure to the USB device structure
so that simultaneous access cannot happen. Protect scratch area using
the enumeration lock. Also reduce stack usage in usbd_transfer_setup()
by moving some big stack members to the scratch area. This saves around
200 bytes of stack.
- Fix a whitespace.

MFC after: 1 week

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MFC @ r241285

IFC @ r242684

Sync from head

Merge head r233826 through r240095.

Fix spelling.

MFC after: 2 weeks

IFC @ r225592

sys/dev/bvm/bvm_console.c - move up to the new alt-break order.

IFC @225440.

This patch adds automatic detection of USB mass storage devices
which does not support the no synchronize cache SCSI command.

The __FreeBSD_version version macro has been bumped and
external kernel

This patch adds automatic detection of USB mass storage devices
which does not support the no synchronize cache SCSI command.

The __FreeBSD_version version macro has been bumped and
external kernel modules needs to be recompiled after
this patch.

Approved by: re (kib)
MFC after: 1 week
PR: usb/160299

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Integrate FreeBSD/head into projects/zfsd/head as of SVN revision 224870.

Use synchronous device destruction instead of asynchronous, so that a new
device having the same name like a previous one is not created before the old
one is gone. This fixes some panics due to asse

Use synchronous device destruction instead of asynchronous, so that a new
device having the same name like a previous one is not created before the old
one is gone. This fixes some panics due to asserts in the devfs code which
were added recently.

Approved by: re (kib)
MFC after: 1 week

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IFC @ r222830