rtwn_usb(4): fix Rx buffer size calculation.

Use device-specific Rx buffer size to ensure that data will not be
truncated + add a warning if truncation was detected (the driver
cannot handle this ca

rtwn_usb(4): fix Rx buffer size calculation.

Use device-specific Rx buffer size to ensure that data will not be
truncated + add a warning if truncation was detected (the driver
cannot handle this case correctly yet).

Tested with:
- RTL8188CUS, RTL8188EU and RTL8821AU, STA / AP modes.

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Merge ^/head r311132 through r311305.

rtwn: fix possible buffer overrun.

r297596 was not merged properly into new code; restore lost part.

rtwn: add (untested) radar detection support for RTL8821AU
(disabled by default).

To enable it, dev.rtwn.%d.radar_detection tunable need to be set
to a nonzero value.

Tested with RTL8821AU, AP mode

rtwn: add (untested) radar detection support for RTL8821AU
(disabled by default).

To enable it, dev.rtwn.%d.radar_detection tunable need to be set
to a nonzero value.

Tested with RTL8821AU, AP mode (no radar events were seen - so,
I have no idea if it is really correct / working)

Reviewed by: adrian
Differential Revision: https://reviews.freebsd.org/D8903

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Merge ^/head r309263 through r309518.

rtwn: fix bitmap size calculation.

Tested with RTL8188CE, STA mode.

Merge ^/head r308227 through r308490.

rtwn: add HOSTAP / IBSS mode support for RTL8188CE.

NOTE: some multi-vap configurations (e.g., STA+IBSS) are not stable;
that will be fixed later.

Tested with:
- RTL8188CE, STA + AP mode;
- RTL81

rtwn: add HOSTAP / IBSS mode support for RTL8188CE.

NOTE: some multi-vap configurations (e.g., STA+IBSS) are not stable;
that will be fixed later.

Tested with:
- RTL8188CE, STA + AP mode;
- RTL8188CE, IBSS mode;
- RTL8188CUS, IBSS mode;
- RTL8188EU, IBSS mode.

Relnotes: yes

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rtwn: fix Rx filter setup for some multi-vap configuratons.

- Correctly refresh Rx filter when AP (IBSS) vap is created after STA vap.
- Block any RCR updates during TSF correction (IBSS mode).
- Se

rtwn: fix Rx filter setup for some multi-vap configuratons.

- Correctly refresh Rx filter when AP (IBSS) vap is created after STA vap.
- Block any RCR updates during TSF correction (IBSS mode).
- Set CBSSID* bits during vap creation, not when it was started / stopped.
- Cache current state to prevent unnecessary register reads.

Tested with RTL8188CE, STA + AP mode.

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Merge ^/head r307383 through r307735.

rtwn(4), urtwn(4): merge common code, add support for 11ac devices.

All devices:
- add support for rate adaptation via ieee80211_amrr(9);
- use short preamble for transmitted frames when needed;
- m

rtwn(4), urtwn(4): merge common code, add support for 11ac devices.

All devices:
- add support for rate adaptation via ieee80211_amrr(9);
- use short preamble for transmitted frames when needed;
- multi-bss support:
* for RTL8821AU: 2 VAPs at the same time;
* other: 1 any VAP + 1 sta VAP.
RTL8188CE:
- fix IQ calibration bug (reason of significant speed degradation);
- add h/w crypto acceleration support.
USB:
- A-MPDU Tx support;
- short GI support;
Other:
- add support for RTL8812AU / RTL8821AU chipsets
(a/b/g/n only; no ac yet);
- split merged code into subparts:
* bus glue (usb/*, pci/*, rtl*/usb/*, rtl*/pci/*)
* common (if_rtwn*)
* chip-specific (rtl*/*)
- various other bugfixes.

Due to code reorganization, module names / requirements were changed too:
urtwn urtwnfw -> rtwn rtwn_usb rtwnfw
rtwn rtwnfw -> rtwn rtwn_pci rtwnfw

Tested with RTL8188CE, RTL8188CUS, RTL8188EU and RTL8821AU.

Tested by: kevlo, garga,
Peter Garshtja <peter.garshtja@ambient-md.com>,
Kevin McAleavey <kevin.mcaleavey@knosproject.com>,
Ilias-Dimitrios Vrachnis <id@vrachnis.com>,
<otacilio.neto@bsd.com.br>
Relnotes: yes

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