netdev - Fw: [Bug 93731] New: GARP packet is not sent for interface up

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Message-ID: <20150224142156.5cd1ea91@urahara>
Date:	Tue, 24 Feb 2015 14:21:56 -0800
From:	Stephen Hemminger <stephen@...workplumber.org>
To:	netdev@...r.kernel.org
Subject: Fw: [Bug 93731] New: GARP packet is not sent for interface up

Begin forwarded message:

Date: Tue, 24 Feb 2015 08:07:40 +0000
From: "bugzilla-daemon@...zilla.kernel.org" <bugzilla-daemon@...zilla.kernel.org>
To: "shemminger@...ux-foundation.org" <shemminger@...ux-foundation.org>
Subject: [Bug 93731] New: GARP packet is not sent for interface up

https://bugzilla.kernel.org/show_bug.cgi?id=93731

            Bug ID: 93731
           Summary: GARP packet is not sent for interface up
           Product: Networking
           Version: 2.5
    Kernel Version: 3.10
          Hardware: x86-64
                OS: Linux
              Tree: Mainline
            Status: NEW
          Severity: blocking
          Priority: P1
         Component: IPV4
          Assignee: shemminger@...ux-foundation.org
          Reporter: aniyas15@...il.com
        Regression: No

Hi All,

I am working custom platform based on x86_64 running 3.10 kernel,
Recently I found an issue related to GARP. It seems like  no GARP
packets are being sent out when an Interface is made up. But I also
noticed that only when I use "arping" tool only then it sends out any
GARP packet.

I also try setting the net variable "arp_notify" then I see the
arp_send() function is being called after that I am unable to track
further.

Could you please help me, what could be issue, Is it a valid
expectation that during interface up the linux kernel should send out
GARP packet? If so, am I missing any kernel configuration related to
it?

Thanks in Advance.

Regards,
A.Mydeen.

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