netdev - Re: [PATCH net-next] net: mpls: Add support for netconf

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Message-ID: <b25c8fd2-9b4b-5c27-b2bb-ffc44f08d5eb@6wind.com>
Date:   Mon, 20 Feb 2017 16:18:27 +0100
From:   Nicolas Dichtel <nicolas.dichtel@...nd.com>
To:     David Ahern <dsa@...ulusnetworks.com>,
        Robert Shearman <rshearma@...cade.com>, netdev@...r.kernel.org
Cc:     roopa@...ulusnetworks.com, ebiederm@...ssion.com
Subject: Re: [PATCH net-next] net: mpls: Add support for netconf

Le 20/02/2017 à 15:53, David Ahern a écrit :
> On 2/20/17 3:01 AM, Robert Shearman wrote:
>> On 18/02/17 01:36, David Ahern wrote:
>>> Add netconf support to MPLS. Allows userpsace to learn and be notified
>>> of changes to 'input' enable setting per interface.
>>>
>>> Signed-off-by: David Ahern <dsa@...ulusnetworks.com>
>>> ---
>>>  include/uapi/linux/netconf.h   |   1 +
>>>  include/uapi/linux/rtnetlink.h |   2 +
>>>  net/mpls/af_mpls.c             | 212
>>> ++++++++++++++++++++++++++++++++++++++++-
>>>  net/mpls/internal.h            |   2 +-
>>>  4 files changed, 214 insertions(+), 3 deletions(-)
>>>
>>> diff --git a/include/uapi/linux/netconf.h b/include/uapi/linux/netconf.h
>>> index 45dfad509c4d..159d91c9c2a3 100644
>>> --- a/include/uapi/linux/netconf.h
>>> +++ b/include/uapi/linux/netconf.h
>>> @@ -16,6 +16,7 @@ enum {
>>>      NETCONFA_MC_FORWARDING,
>>>      NETCONFA_PROXY_NEIGH,
>>>      NETCONFA_IGNORE_ROUTES_WITH_LINKDOWN,
>>> +    NETCONFA_MPLS_INPUT_ENABLED,
>>
>> How about removing "MPLS_" the name? That way it would be usable by
>> other AFs too, e.g. for the disable_ipv6 sysctl. Perhaps "ENABLED" is
>> redundant as well.
> 
> 
> I could drop the MPLS to NETCONFA_INPUT_ENABLED; just NETCONFA_INPUT is
> not very descriptive.
> 
> disable_ipv6 has a completely different meaning, so re-use there does
> not seem appropriate.
To avoid confusion, the exact same name than the /proc entry is used.
NETCONFA_INPUT should be enough, because the family is already set to AF_MPLS.


Regards,
Nicolas