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Differential D31288

if_bridge: allow MTU changes
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Authored by kp on Jul 23 2021, 6:05 PM.
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rG33306493825b: if_bridge: allow MTU changes
Summary

if_bridge used to only allow MTU changes if the new MTU matched that of
all member interfaces. This doesn't really make much sense, in that we
really shouldn't be allowed to change the MTU of bridge member in the
first place.

Instead we now change the MTU of all member interfaces. If one fails we
revert all interfaces back to the original MTU.

We do not address the issue where bridge member interface MTUs can be
changed here.

MFC after: 1 week
Sponsored by: Rubicon Communications, LLC ("Netgate")

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rS FreeBSD src repository - subversion
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Buildable 40644
Build 37533: arc lint + arc unit

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sys/
net/
24 lines

Diff 92684

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sys/net/if_bridge.c

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