From: Jiri Pirko <jiri@resnulli.us>
To: Antonio Quartulli <a@unstable.cc>
Cc: "The list for a Better Approach To Mobile Ad-hoc Networking"
<b.a.t.m.a.n@lists.open-mesh.org>,
"Linus Lüssing" <linus.luessing@c0d3.blue>,
netdev@vger.kernel.org, davem@davemloft.net
Subject: Re: [B.A.T.M.A.N.] [PATCH 03/17] batman-adv: Add network_coding and mcast sysfs files to README
Date: Sat, 4 Aug 2018 13:52:12 +0200 [thread overview]
Message-ID: <20180804115212.GD2015@nanopsycho> (raw)
In-Reply-To: <f2964fca-072e-2a6c-4ce9-aa7963465195@unstable.cc>
Sat, Aug 04, 2018 at 01:19:39PM CEST, a@unstable.cc wrote:
>On 04/08/18 17:36, Jiri Pirko wrote:
>>>
>>> Do you have any pointer about where this discussion took place? I
>>> imagine it happened in conjunction with some patches intended to other
>>> drivers/netdev changes.
>>>
>>> Reading that could give us a sense of how strict/important/severe this
>>> decision was and how to prioritize future work.
>>>
>>> I am asking because we have been working on a new feature since several
>>> months and this feature introduces a new sysfs knob.
>>>
>>> Now, although I understand the recommendation of switching to netlink, I
>>> find it a bit impractical to delay a new (and fairly big) feature,
>>> simply because it uses a potentially obsolete, but current, API.
>>>
>>> Any opinion about this?
>>
>> I agree, that does not make sense.
>
>Thanks for your reply, Jiri.
>
>>
>> I just wanted you to consider introducing netlink iface and migrate to
>> it as it is generally the preffered way to comunicate with userspace in
>> networking area (I don't have pointer any specific discussion though -
>> it is just a common knowledge :)).
>
>That's ok. I was asking because in the past batman-adv was using debugfs
>for dealing with settings and we were (properly) redirected to sysfs by
>David.
>Now it seems we need to migrate to the next thing :-) So I just wanted
>to be sure we have to do it, but this seems to be the case..
>
>> I will be more then happy to help you
>> with that. You should look at net/core/devlink.c and net/wireless/nl80211.c
>> to get some inspiration.
>
>Actually we have already implemented a basic netlink API to be used when
>sending information to userspace (i.e. routing tables, neighbour tables,
>etc..), therefore I think we might be able to leverage on that.
>But of course, any help will be appreciated :)
Yes, I see net/batman-adv/netlink.c. That looks fine. Shouldn't be hard
to migrate the existing sysfs things there and add new features.
Please don't forget to echo the configured options via netlink
notifications from the very beginning. Feel free to send me patches to
look at.
Thanks!
>
>Thanks!
>
>Cheers,
>
>
>
>--
>Antonio Quartulli
>
next prev parent reply other threads:[~2018-08-04 11:52 UTC|newest]
Thread overview: 36+ messages / expand[flat|nested] mbox.gz Atom feed top
2016-10-27 19:01 [B.A.T.M.A.N.] [PATCH 00/17] pull request for net-next: batman-adv 2016-10-27 Simon Wunderlich
2016-10-27 19:01 ` [B.A.T.M.A.N.] [PATCH 01/17] batman-adv: Start new development cycle Simon Wunderlich
2016-10-27 19:01 ` [B.A.T.M.A.N.] [PATCH 02/17] batman-adv: Add B.A.T.M.A.N. V sysfs files to README Simon Wunderlich
2016-10-27 19:01 ` [B.A.T.M.A.N.] [PATCH 03/17] batman-adv: Add network_coding and mcast " Simon Wunderlich
2016-10-29 10:33 ` Jiri Pirko
2016-10-29 10:37 ` Sven Eckelmann
2016-10-29 10:56 ` Jiri Pirko
2016-10-29 11:46 ` Sven Eckelmann
2016-10-29 13:51 ` Jiri Pirko
2018-03-27 15:43 ` Linus Lüssing
2018-05-07 6:34 ` Sven Eckelmann
2018-05-20 4:37 ` Sven Eckelmann
2018-05-20 6:19 ` Jiri Pirko
2018-08-04 9:24 ` Antonio Quartulli
2018-08-04 9:36 ` Jiri Pirko
2018-08-04 11:19 ` Antonio Quartulli
2018-08-04 11:52 ` Jiri Pirko [this message]
2016-10-27 19:01 ` [B.A.T.M.A.N.] [PATCH 04/17] batman-adv: Add dat, mcast, nc and neighbor debugfs " Simon Wunderlich
2016-10-27 19:01 ` [B.A.T.M.A.N.] [PATCH 05/17] batman-adv: Document new nc, mcast and tpmeter log levels Simon Wunderlich
2016-10-27 19:01 ` [B.A.T.M.A.N.] [PATCH 06/17] batman-adv: Remove unused function batadv_hash_delete Simon Wunderlich
2016-10-27 19:01 ` [B.A.T.M.A.N.] [PATCH 07/17] batman-adv: Move batadv_sum_counter to soft-interface.c Simon Wunderlich
2016-10-27 19:01 ` [B.A.T.M.A.N.] [PATCH 08/17] batman-adv: Remove unused batadv_icmp_user_cmd_type Simon Wunderlich
2016-10-27 19:01 ` [B.A.T.M.A.N.] [PATCH 09/17] batman-adv: fix batadv_forw_packet kerneldoc for list attribute Simon Wunderlich
2016-10-27 19:01 ` [B.A.T.M.A.N.] [PATCH 10/17] batman-adv: remove unsed argument from batadv_dbg_arp() function Simon Wunderlich
2016-10-27 19:01 ` [B.A.T.M.A.N.] [PATCH 11/17] batman-adv: Allow selecting BATMAN V if CFG80211 is not built Simon Wunderlich
2016-10-27 19:01 ` [B.A.T.M.A.N.] [PATCH 12/17] batman-adv: Less function calls in batadv_is_ap_isolated() after error detection Simon Wunderlich
2016-10-27 19:01 ` [B.A.T.M.A.N.] [PATCH 13/17] batman-adv: Remove needless init of variables on stack Simon Wunderlich
2016-10-27 19:01 ` [B.A.T.M.A.N.] [PATCH 14/17] batman-adv: Use proper name for fragments list head Simon Wunderlich
2016-10-27 19:01 ` [B.A.T.M.A.N.] [PATCH 15/17] batman-adv: Use proper name for gateway " Simon Wunderlich
2016-10-27 19:01 ` [B.A.T.M.A.N.] [PATCH 16/17] batman-adv: Use octal permissions instead of macros Simon Wunderlich
2016-10-27 19:01 ` [B.A.T.M.A.N.] [PATCH 17/17] batman-adv: Avoid precedence issues in macros Simon Wunderlich
2016-10-28 21:13 ` Joe Perches
2016-10-28 21:27 ` Sven Eckelmann
2016-10-29 1:56 ` Joe Perches
2016-10-29 6:52 ` Sven Eckelmann
2016-10-29 20:28 ` [B.A.T.M.A.N.] [PATCH 00/17] pull request for net-next: batman-adv 2016-10-27 David Miller
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