[ovs-dev] [PATCH] ovs-tcpdump: handle large interface names on linux
Ben Pfaff
blp at ovn.org
Mon Nov 13 17:02:30 UTC 2017
On Fri, Nov 10, 2017 at 05:33:20PM -0500, Aaron Conole wrote:
> Linux has a fixed size interface name, which will not change. This means
> that attempts to dump interfaces whose names are larger than the max size
> will result in an error making the tap device.
>
> This commit brings a new function. When the generated name would be too
> large, use a random number prefixed by 'ovsmi' instead.
>
> Reported-by: Bhanuprakash Bodireddy <bhanuprakash.bodireddy at intel.com>
> Signed-off-by: Aaron Conole <aconole at redhat.com>
I applied this to master, thanks!
I am not sure whether it is worthwhile making this platform-specific,
since most Unix-like platforms I know of have the same limit as Linux,
and every platform I know of supports interface names at least 15 bytes
long.
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