https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=240787
Bug ID: 240787
Summary: netgraph/ng_bridge: Unlimited limit of links
Product: Base System
Version: 12.0-STABLE
Hardware: Any
OS: Any
Status: New
Severity: Affects Only Me
Priority: ---
Component: kern
Assignee: b...@freebsd.org
Reporter: l...@donnerhacke.de
Created attachment 207757
--> https://bugs.freebsd.org/bugzilla/attachment.cgi?id=207757&action=edit
remove fixed limit for links on netgraph/ng_bridge
The netgraph node ng_bridge has a compile time limit for the number of links,
it can handle.
This patch removes this limit by allocating more links when needed (assuming
sequential assignment).
Please note, that this patch is preliminary. It's only done to allow an
incremental review of the development.
A large number of links require further changes to the code in order to handle
all cases efficient. This includes:
+ replacement of the central "priv->link" table by hook private data
+ replacement of foreach loops by a linked list over looped hooks
In consequence the current requirement to use a compact, sequential assignment
of "link%d" hooks can be replaced by arbitrary naming conventions.
How should I provide the additional patches? A large patch (overwriting the
previous one) or by a series of patches?
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