netdev - Re: [PATCH net-next] fib_rules: rename FRA_PROTOCOL to FRA

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Date:   Wed, 21 Mar 2018 10:24:07 +0100
From:   Nicolas Dichtel <nicolas.dichtel@...nd.com>
To:     David Ahern <dsahern@...il.com>, davem@...emloft.net
Cc:     netdev@...r.kernel.org, Donald Sharp <sharpd@...ulusnetworks.com>
Subject: Re: [PATCH net-next] fib_rules: rename FRA_PROTOCOL to FRA_ORIGINATOR

Le 20/03/2018 à 18:27, David Ahern a écrit :
> On 3/20/18 11:04 AM, Nicolas Dichtel wrote:
>> As the comment said, this attribute defines the originator of the rule,
>> it's not really a (network) protocol.
>> Let's rename it accordingly to avoid confusion (difference between
>> FRA_PROTOCOL and FRA_IP_PROTO was not obvious).
>>
>> CC: Donald Sharp <sharpd@...ulusnetworks.com>
>> Signed-off-by: Nicolas Dichtel <nicolas.dichtel@...nd.com>
>> ---
>>
>> FRA_PROTOCOL exists only in net-next for now, thus it's still possible to
>> rename it.
>>
>>  drivers/net/vrf.c              |  4 ++--
>>  include/net/fib_rules.h        |  4 ++--
>>  include/uapi/linux/fib_rules.h |  2 +-
>>  net/core/fib_rules.c           | 14 +++++++-------
>>  4 files changed, 12 insertions(+), 12 deletions(-)
>>
>>
> 
> This protocol is meant to be analogous to rtm_protocol. Changing the
> name to FRA_ORIGINATOR loses that connection.
I understand your concerns. But I think the connection still exists after the
patch because the values used for this field are RTPROT_*
rtm_protocol is here from ages and we cannot change that. Moreover, FRA_*
attributes are usually used as a selector or a target, which is not the case for
a route. Thus I think it's important to carrefully choose the name.


Regards,
Nicolas