man4:: wifi manuals: revise .Sh HARDWARE + polish some

The Release Hardware Notes are generated from hardware sections in the
manual pages. Create or organize these sections in Wi-Fi driver manuals

man4:: wifi manuals: revise .Sh HARDWARE + polish some

The Release Hardware Notes are generated from hardware sections in the
manual pages. Create or organize these sections in Wi-Fi driver manuals
for information flow, and perform minor maintenance on them while here.

After some testing, we have determined that a compact column list is
the best for a single column listing in the hardware release notes.
This makes very clean subsections and is for some reason denser than
using a tagged list.

This adds the long requested conversion from netmask to cidr examples.
These examples probably shouldn't even be here, but that is a discussion
for another day.

MFC after: 3 days
X-MFC with: 8f1a2d507e25e77d20a5
Reported by: bz (relnotes generation, cidr, test-net-1 ip4addr)
Reported by: grahamperrin (HARDWARE order mentioned in fdp-primer)
Reported by: Graham Percival <gperciva@tarsnap.com> (don't prompt)
Reviewed by: bz (anything wrong likely is my polishing fault; incl. iwm.4)
Differential Revision: https://reviews.freebsd.org/D47508

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Remove $FreeBSD$: two-line nroff pattern

Remove /^\.\\"\n\.\\"\s*\$FreeBSD\$$\n/

Fix a few mandoc issues

- skipping paragraph macro: Pp after Sh
- sections out of conventional order: Sh EXAMPLES
- whitespace at end of input line
- normalizing date format

rtwn(4): refresh manpages.

- Add 'device rtwn' to rtwn_pci(4) and rtwn_usb(4) config sample;
kernel will not compile otherwise.
- Refresh devices list in rtwn_usb(4); add 'chipset' column.
- Bump Dd

rtwn(4): refresh manpages.

- Add 'device rtwn' to rtwn_pci(4) and rtwn_usb(4) config sample;
kernel will not compile otherwise.
- Refresh devices list in rtwn_usb(4); add 'chipset' column.
- Bump Dd after this commit and r342682.

MFC after: 4 days

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rtwn_pci(4): add support for RTL8188EE chipset.

Initially based on https://reviews.freebsd.org/D15692;
later deduplicated and improved a bit (Tx reports, IQ calibration support).

Submitted by: Farh

rtwn_pci(4): add support for RTL8188EE chipset.

Initially based on https://reviews.freebsd.org/D15692;
later deduplicated and improved a bit (Tx reports, IQ calibration support).

Submitted by: Farhan Khan <khanzf@gmail.com>
MFC after: 4 days
Relnotes: yes
Differential Revision: https://reviews.freebsd.org/D15692

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Merge ^/head r321383 through r322397.

MFhead@r321829

MFhead@r321755

rtwn(4): refresh manpage

- Remove 'if_rtwn_load="YES"' line from loader.conf; the module was
renamed in r319733 + it will be loaded automatically as a dependency.
- Move new sentence to new line.
-

rtwn(4): refresh manpage

- Remove 'if_rtwn_load="YES"' line from loader.conf; the module was
renamed in r319733 + it will be loaded automatically as a dependency.
- Move new sentence to new line.
- Add short description for dev.rtwn.%d.rx_buf_size tunable.

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MFhead@r313243

Merge ^/head r312624 through r312719.

Add support for the Realtek RTL8192EU chipset.
Committed over the D-Link DWA-131 rev E1 on amd64 with WPA.

Reviewed by: avos

Merge ^/head r308870 through r309105.

rtwn.4: fix hostapd(8) man page section.

Fix various mdoc issues reported by mandoc -Tlint.

Merge ^/head r307383 through r307735.

Fix dates + add an UPDATING entry.

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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MFH @r294567

MFH r289384-r293170

Sponsored by: The FreeBSD Foundation

Merge ^/head r292951 through r293015.

[rtwn] Add initial manpages for the rtwn driver.