Remove $FreeBSD$: two-line nroff pattern

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

bridge: Add support for emulated netmap mode

if_bridge receives packets via a special interface, if_bridge_input,
rather than by if_input. Thus, netmap's usual hooking of ifnet routines
does not wo

bridge: Add support for emulated netmap mode

if_bridge receives packets via a special interface, if_bridge_input,
rather than by if_input. Thus, netmap's usual hooking of ifnet routines
does not work as expected. Instead, modify bridge_input() to pass
packets directly to netmap when it is enabled. This applies to both
locally delivered packets and forwarded packets.

When a netmap application transmits a packet by writing it to the host
TX ring, the mbuf chain is passed to if_input, which ordinarily points
to ether_input(). However, when transmitting via if_bridge,
bridge_input() needs to see the packet again in order to decide whether
to deliver or forward. Thus, introduce a new protocol flag,
M_BRIDGE_INJECT, which 1) causes the packet to be passed to
bridge_input() again after Ethernet processing, and 2) avoids passing
the packet back to netmap. The source MAC address of the packet is used
to determine the original "receiving" interface.

Reviewed by: vmaffione
MFC after: 2 months
Sponsored by: Zenarmor
Sponsored by: OPNsense
Sponsored by: Klara, Inc.
Differential Revision: https://reviews.freebsd.org/D38066

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bridge.4: Document the net.link.bridge.log_mac_flap sysctl variable

It was introduced in 2d3614fb132b (bridge: Log MAC address port flapping).

Reviewed by: gbe (manpages)
MFC after: 2 weeks
Differe

bridge.4: Document the net.link.bridge.log_mac_flap sysctl variable

It was introduced in 2d3614fb132b (bridge: Log MAC address port flapping).

Reviewed by: gbe (manpages)
MFC after: 2 weeks
Differential Revision: https://reviews.freebsd.org/D39465

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bridge.4: describe new MTU behaviour

1865ebfb12 changed if_bridge to have it change the MTU on newly added
interfaces to match the if_bridge MTU, rather than rejecting them for
having an incorrect M

bridge.4: describe new MTU behaviour

1865ebfb12 changed if_bridge to have it change the MTU on newly added
interfaces to match the if_bridge MTU, rather than rejecting them for
having an incorrect MTU.

Update the man page to reflect this, as pointed out by woodsb02.

Reviewed by: woodsb02
Differential Revision: https://reviews.freebsd.org/D36481

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bridge(4): Use American spelling of "behavior"

Fixes: 8406182dbeb972698775e2468902bc5f6e593d72
MFC after: 3 days
Reported by: Pau Amma <pauamma@gundo.com>

bridge(4): Fix spelling

PR: 237725
MFC after: 3 days

Fix a number of the following issues in man4:
- Inconsistencies in .Dd like abbreviated month names,
"th" after numbers, or leading zeros
- No line breaks after a sentence stop
- Whitespace at the en

Fix a number of the following issues in man4:
- Inconsistencies in .Dd like abbreviated month names,
"th" after numbers, or leading zeros
- No line breaks after a sentence stop
- Whitespace at the end of the line
- Use macros for BSD OS names instead of hardcoded names
- CAVEATS instead of CAVEAT in section name

No actual content change in terms of additions were made, so
no bump of the .Dd for these man pages.
All of these issues were found and fixed by Gordon Bergling.

Submitted by: gbergling_gmail.com
Approved by: bcr
Differential Revision: https://reviews.freebsd.org/D24648

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Merge ^/head r357350 through r357367.

bridge.4: Remove notes about FreeBSD 6.2-7.2

Reported by: Mateusz Kwiatkowski
Reviewed by: brueffer
Approved by: bcr (mentor)
Differential Revision: https://reviews.freebsd.org/D23393

Merge ^/head r352764 through r353315.

Correct grammos and typos.

Merge ^/head r323559 through r325504.

MFhead@r324837

While here, diff reduce some of the changes in sys/boot by moving
MK_COVERAGE=no to sys/boot/Makefile.inc .

Update details of interface capabilities changed by bridge(4).

PR: 221122
MFC after: 1 week

Merge ^/head r295351 through r295543.

MFH

Sponsored by: The FreeBSD Foundation

Add missing comma

IFC @r269962

Submitted by: Anish Gupta (akgupt3@gmail.com)

Merge head from 7/28

Sync to HEAD@r269943.

use .Mt to mark up email addresses consistently (final part)

PR: 191174
Submitted by: Franco Fichtner <franco at lastsummer.de>

Merge head r233826 through r256722.

IFC @256277

Approved by: ken (mentor)

Merge from head

IFC @ r254014