sys: Remove $FreeBSD$: two-line .h pattern

Remove /^\s*\*\n \*\s+\$FreeBSD\$$\n/

spdx: The BSD-2-Clause-FreeBSD identifier is obsolete, drop -FreeBSD

The SPDX folks have obsoleted the BSD-2-Clause-FreeBSD identifier. Catch
up to that fact and revert to their recommended match of

spdx: The BSD-2-Clause-FreeBSD identifier is obsolete, drop -FreeBSD

The SPDX folks have obsoleted the BSD-2-Clause-FreeBSD identifier. Catch
up to that fact and revert to their recommended match of BSD-2-Clause.

Discussed with: pfg
MFC After: 3 days
Sponsored by: Netflix

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[net80211] Add initial U-APSD negotiation support.

U-APSD (unscheduled automatic power save delivery) is a power save method
that's a bit better than legacy PS-POLL - stations can mark frames with
a

[net80211] Add initial U-APSD negotiation support.

U-APSD (unscheduled automatic power save delivery) is a power save method
that's a bit better than legacy PS-POLL - stations can mark frames with
an extra flag that tells the AP to leak out more frames after it sends
its own frames rather than needing to send a PS-POLL to get another frame
from the AP.

Now, this code just handles the negotiation bits; it doesn't actually
implement U-APSD. That's up to drivers, and nothing in the tree yet
implements this. I /may/ implement this for ath(4) if I eventually care
enough but right now I plan on just implementing it for firmware offload
based NICs that handle this in the NIC.

I'll commit the ifconfig bit after this and I may have some follow-up
commits as this gets used more by me in local testing.

This should be a glorious no-op for everyone else. If things change
for anyone that isn't fixed by a complete recompile then please reach out
to me.

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sys: general adoption of SPDX licensing ID tags.

Mainly focus on files that use BSD 2-Clause license, however the tool I
was using misidentified many licenses so this was mostly a manual - error
pro

sys: general adoption of SPDX licensing ID tags.

Mainly focus on files that use BSD 2-Clause license, however the tool I
was using misidentified many licenses so this was mostly a manual - error
prone - task.

The Software Package Data Exchange (SPDX) group provides a specification
to make it easier for automated tools to detect and summarize well known
opensource licenses. We are gradually adopting the specification, noting
that the tags are considered only advisory and do not, in any way,
superceed or replace the license texts.

No functional change intended.

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Merge fresh head.

IFC @247348.

Sync with HEAD.

IFC @ r244983.

Handle ath-specific and WME IE's in adhoc mode.

The Adhoc support wasn't parsing and handling the ath specific and WME
IEs, thus the atheros vendor support and WME TXOP parameters aren't being
copie

Handle ath-specific and WME IE's in adhoc mode.

The Adhoc support wasn't parsing and handling the ath specific and WME
IEs, thus the atheros vendor support and WME TXOP parameters aren't being
copied from the peer.

It copies the WME parameters from whichever adhoc node it decides to
associate to, rather than just having them be statically configured
per adhoc node. This may or may not be exactly "right", but it's certainly
going to be more convienent for people - they just have to ensure their
adhoc nodes are setup with correct WME parameters.

Since WME parameters aren't per-node but are configured on hardware TX
queues, if some nodes support WME and some don't - or perhaps, have
different WME parameters - things will get quite quirky.

So ensure that you configure your adhoc nodes with the same WME
parameters.

Secondly - the Atheros Vendor IE is parsed and operated on per-node, so
this should work out ok between nodes that do and don't do Atheros
extensions. Once you see a becaon from that node and you setup the
association state, it _should_ parse things correctly.

TODO:

* I do need to ensure that both adhoc setup paths are correctly updating
the IE stuff. Ie, if the adhoc node is created by a data frame instead
of a beacon frame, it'll come up with no WME/ath IE config. The next
beacon frame that it receives from that node will update the state.
I just need to sit down and better understand how that's suppose to
work in IBSS mode.

Tested:

* AR5416 <-> AR9280 - fast frames and the WME configuration both popped
up. (This is with a local HAL patch that enables the fast frames
capability on the AR5416 chipsets.)

PR: kern/165969

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Multi-bss (aka vap) support for 802.11 devices.

Note this includes changes to all drivers and moves some device firmware
loading to use firmware(9) and a separate module (e.g. ral). Also there
no l

Multi-bss (aka vap) support for 802.11 devices.

Note this includes changes to all drivers and moves some device firmware
loading to use firmware(9) and a separate module (e.g. ral). Also there
no longer are separate wlan_scan* modules; this functionality is now
bundled into the wlan module.

Supported by: Hobnob and Marvell
Reviewed by: many
Obtained from: Atheros (some bits)

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Multi-bss (aka vap) support for 802.11 devices.

Note this includes changes to all drivers and moves some device firmware
loading to use firmware(9) and a separate module (e.g. ral). Also there
no l

Multi-bss (aka vap) support for 802.11 devices.

Note this includes changes to all drivers and moves some device firmware
loading to use firmware(9) and a separate module (e.g. ral). Also there
no longer are separate wlan_scan* modules; this functionality is now
bundled into the wlan module.

Supported by: Hobnob and Marvell
Reviewed by: many
Obtained from: Atheros (some bits)

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