netdev - Re: [PATCH 3/4 -rev1] Initilize and populate age field

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Date:	Thu, 26 Jul 2007 08:37:28 +0200
From:	Eric Dumazet <dada1@...mosbay.com>
To:	Varun Chandramohan <varunc@...ux.vnet.ibm.com>
CC:	davem@...emloft.net, netdev@...r.kernel.org, kaber@...sh.net,
	socketcan@...tkopp.net, shemminger@...ux-foundation.org,
	krkumar2@...ibm.com
Subject: Re: [PATCH 3/4 -rev1] Initilize and populate age field

Varun Chandramohan a écrit :
> Eric Dumazet wrote:
>> Varun Chandramohan a écrit :
>>> The age field is filled with the current time at the time of creation
>>> of the route. When the routes are dumped
>>> then the age value stored in the route structure is subtracted from
>>> the current time value and the difference is the age expressed in secs.
>>>
>>>      }
>>> +
>>> +    do_gettimeofday(&tv);
>>> +    if (!*age) {
>>> +        *age = timeval_to_sec(&tv);
>>> +        NLA_PUT_U32(skb, RTA_AGE, *age);
>> here, what happens if sizeof(time_t) is not 4 ?
>>
> Same case as above :-) comments?

So you are confident it (truncation from 8 to 4 bytes) works well on Big 
endian arches as well as Little endian arches ? :-)


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