Make usbusN logging pseudo-interface used by usbdump(8) clonable. One is
now created/destroyed automatically by usbdump(8).

Note that "hw.usb.no_pf" loader tunable is now obsolete.

Reviewed by: hs

Make usbusN logging pseudo-interface used by usbdump(8) clonable. One is
now created/destroyed automatically by usbdump(8).

Note that "hw.usb.no_pf" loader tunable is now obsolete.

Reviewed by: hselasky

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- Improvements to USB PF solution
- Add more fields for USB device and host mode
- Add more information to USB PF header so that decoding
can easily be done by software analyzer tools like
Wiresh

- Improvements to USB PF solution
- Add more fields for USB device and host mode
- Add more information to USB PF header so that decoding
can easily be done by software analyzer tools like
Wireshark.
- Optimise usbdump to display USB streams in text format
more efficiently.
- Software using USB PF must be recompiled after
this commit, due to structure changes.

MFC after: 7 days
Approved by: thompsa (mentor)

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Merge svn+ssh://svn.freebsd.org/base/head@218816

Use correct kernel types for all fields in USB PF code and headers.

Approved by: thompsa (mentor)

Sync: merge r216133 through r216338 from ^/head.

Introduces IFF_CANTCONFIG interface flag to point that the interface
isn't configurable in a meaningful way. This is for ifconfig(8) or
other tools not to change code whenever IFT_USB-like interface

Introduces IFF_CANTCONFIG interface flag to point that the interface
isn't configurable in a meaningful way. This is for ifconfig(8) or
other tools not to change code whenever IFT_USB-like interfaces are
registered at the interface list.

Reviewed by: brooks
No objections: gavin, jkim

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svn+ssh://svn.freebsd.org/base/head@216199

Sync: merge r215944 through r216132 from ^/head.

Explicitly UP and DOWN the usbus interfaces (IFT_USB) when it's attached
or detached. Normally it should be changed through user land ioctl(2)
system calls but it looks there's no apps for USB and n

Explicitly UP and DOWN the usbus interfaces (IFT_USB) when it's attached
or detached. Normally it should be changed through user land ioctl(2)
system calls but it looks there's no apps for USB and no need.

With this patch, libpcap would detect the usbus interfaces correctly and
tcpdump(1) could dump the USB packets into PCAP format with -w option.
However it couldn't print the output to console because there's no
printer-routine at tcpdump(1).

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Sync: merge r215709 through r215824 from ^/head.

Handles the unit number correctly that the previous commit had a problem
(wrong unit number for a host controller) when the module is load /
unloaded repeatly. Attaching the USB pf is moved to usbus

Handles the unit number correctly that the previous commit had a problem
(wrong unit number for a host controller) when the module is load /
unloaded repeatly. Attaching the USB pf is moved to usbus device's
attach.

Pointed by: yongari

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Assigning the unit number for each interfaces could not use ubus->parent
because it could differ depending on the host controller type. It could
lead the duplicate unit number assignment.

Fixes a compiler warning when it's compiled with INVARIANTS.

Pointy hat to: me

Removes all duplicated code with BPF that it's greatly simplified and
take all benefits whenever BPF code is improved.

Pointed by: jkim
Reviewed by: thompsa

Fixes a kernel crash when usb module is reloaded after unload that it
didn't destroy the cdev properly.

Pointy hat to: me
Reported by: Brandon Gooch <jamesbrandongooch at gmail dot com>, jkim

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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