netdev - [RESEND][PATCH 0/4 Rev-3] Age Entry For IPv4 & IPv6 Route Table

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Message-Id: <20070919092318.949372eb.varunc@linux.vnet.ibm.com>
Date:	Wed, 19 Sep 2007 09:23:18 +0530
From:	Varun Chandramohan <varunc@...ux.vnet.ibm.com>
To:	davem@...emloft.net
Cc:	netdev@...r.kernel.org, kaber@...sh.net, socketcan@...tkopp.net,
	shemminger@...ux-foundation.org, krkumar2@...ibm.com,
	tgraf@...g.ch, varuncha@...ibm.com
Subject: [RESEND][PATCH 0/4 Rev-3] Age Entry For IPv4 & IPv6 Route Table

Hi Dave,
	Iam resending the patch set again. Let me know if you need anything else.

Regards,
Varun

Original Comment:
According to the RFC 4292 (IP Forwarding Table MIB) there is a need for an age entry for all the routes in therouting table. The entry in the RFC is inetCidrRouteAge and oid is inetCidrRouteAge.1.10.
Many snmp application require this age entry. So iam adding the age field in the routing table for ipv4 and ipv6 and providing the interface for this value netlink.

I made a note of changes i made as per the suggestions given in the community. Here is the changelog.

Changelog since ver 1:
---------------------
        Changes							Suggestion	

1)Change in the interface from proc to netlink.
  It was not approved by David Miller and Yoshifuji.            David Miller & Yoshifuji

2)Change from jiffies to timeval.				Eric Dumazet

3)Rounding up timeval						Patrick McHardy, Oliver Hartkopp
								Eric Dumazet.

4)Relocate timeval_to_sec					Stephen Hemminger, Krishna Kumar

5)Using macro RT6_GET_ROUTE_INFO				Krishna Kumar

6)Add proper comment for timeval_to_sec				Eric Dumazet

7)Add proper comment for timeval insertion			Thomas Graf				  

Signed-off-by: Varun Chandramohan <varunc@...ux.vnet.ibm.com>
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