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

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

ath: clean up empty lines in .c and .h files

SPDX: license IDs for some ISC-related files.

MFC @ r266724

An SVM update will follow this.

IFC @266473

Merge head

Program the AR_TSFOOR_THRESHOLD register with a default lifted from
the QCA HAL.

This fires off an interrupt if the TSF from the AP / IBSS peer is
wildly out of range. I'll add some code to the ath

Program the AR_TSFOOR_THRESHOLD register with a default lifted from
the QCA HAL.

This fires off an interrupt if the TSF from the AP / IBSS peer is
wildly out of range. I'll add some code to the ath(4) driver soon
which makes use of this.

TODO:

* verify this didn't break TDMA!

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IFC @ r226824

MFC

The AR5212 setup path (also used by the AR5416 code) configures a
local variable with a beacon interval of 100 TU. This never gets modified
if the beacon interval configuration changes.

This may hav

The AR5212 setup path (also used by the AR5416 code) configures a
local variable with a beacon interval of 100 TU. This never gets modified
if the beacon interval configuration changes.

This may have been correct in earlier times, but with the advent of
staggered beacons (which default to 1 / ATH_BCBUF beacon interval, so
25 TU here) this value is incorrect.

It is used to configure the default CABQ readytime. So here, the cabq
was being configured to be much greater than the target beacon timer
(TBTT.)

The driver should be configuring a cabq readytime value rather then
leaving it to the HAL to choose sensible defaults. This should be
done in the future - I'm simply trying to ensure sensible defaults
are chosen.

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IFC @ r225592

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

Update the TSF and next-TBTT methods to work for the AR5416 and later NICs.
This is another commit in a series of TDMA support fixes for the 11n NICs.

* Move ath_hal_getnexttbtt() into the HAL; writ

Update the TSF and next-TBTT methods to work for the AR5416 and later NICs.
This is another commit in a series of TDMA support fixes for the 11n NICs.

* Move ath_hal_getnexttbtt() into the HAL; write methods for it.
This returns a timer value in TSF, rather than TU.

* Move ath_hal_getcca() and ath_hal_setcca() into the HAL too, where they
likely now belong.

* Create a new HAL capability: HAL_CAP_LONG_RXDESC_TSF.
The pre-11n NICs write 15 bit TSF snapshots into the RX descriptor;
the AR5416 and later write 32 bit TSF snapshots into the RX descriptor.
* Use the new capability to choose between 15 and 31 bit TSF adjustment
functions in ath_extend_tsf().

* Write ar5416GetTsf64() and ar5416SetTsf64() methods.
ar5416GetTsf64() tries to compensate for TSF changes at the 32 bit boundary.

According to yin, this fixes the TDMA beaconing on 11n chipsets and TDMA
stations can now associate/talk, but there are still issues with traffic
stability which need to be investigated.

The ath_hal_extendtsf() function is also used in RX packet timestamping;
this may improve adhoc mode on the 11n chipsets. It also will affect the
timestamps seen in radiotap frames.

Submitted by: Kang Yin Su <cantona@cantona.net>
Approved by: re (kib)

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Integrate from head at r225316.

TIM/Timer fixes for AR5416 and later:

* Fix SLEEP1/SLEEP2 register definitions; the CAB/Beacon timeout
fields have changed in AR5416 and later
* The TIM_PERIOD and DTIM_PERIOD registers are now mi

TIM/Timer fixes for AR5416 and later:

* Fix SLEEP1/SLEEP2 register definitions; the CAB/Beacon timeout
fields have changed in AR5416 and later
* The TIM_PERIOD and DTIM_PERIOD registers are now microsecond fields,
not TU.

Obtained from: Linux ath9k, Atheros reference
Approved by: re (kib, blanket)

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These timer registers are all 1uS in resolution in AR5416
or later. Previous hardware had some as TU, some as 1/8th
TU.

* Modify AR_NEXT_DBA and AR_NEXT_SWBA to use a new macro,
ONE_EIGHTH_TU_TO_U

These timer registers are all 1uS in resolution in AR5416
or later. Previous hardware had some as TU, some as 1/8th
TU.

* Modify AR_NEXT_DBA and AR_NEXT_SWBA to use a new macro,
ONE_EIGHTH_TU_TO_USEC(), which converts the 1/8th TU
fields to USEC. This is just cosmetic and matches the
Atheros reference driver.

* Fix AR_NEXT_TBTT, which is USEC, not TU.

Submitted by: paradyse@gmail.com
Approved by: re (kib, blanket)

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Integrate from Head into ZFSD feature branch as of revision r224141.

IFC @ r223696 to pick up dfr's userboot

MFC

Fix indenting issues introduced by the previous commit.

Break out most of the HAL related tweaks into a per-HAL instance,
rather than global variables.

This specifically allows for debugging to be enabled per-NIC, rather
than globally.

Since the ath dri

Break out most of the HAL related tweaks into a per-HAL instance,
rather than global variables.

This specifically allows for debugging to be enabled per-NIC, rather
than globally.

Since the ath driver doesn't know about AH_DEBUG, and to keep the ABI
consistent regardless of whether AH_DEBUG is enabled or not, enable the
debug parameter always but only conditionally compile in the debug
methods if needed.

The ALQ support is currently still global pending some brainstorming.

Submitted by: ssgriffonuser@gmail.com
Reviewed by: adrian, bschmidt

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IFH@204581

MFC r197948 r203156 r203158 r203159 r203680 r203682 r203750 r203882 r203930
r203933 r203959 r204521 r204578:

Atheros AR9285 support.

Replace Id keyword with the FreeBSD keyword.

integrate from head@185615

import ath hal