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Date: Sat, 2 Feb 2013 10:04:22 +0100
From: Jiri Pirko <jiri@...nulli.us>
To: Pablo Neira Ayuso <pablo@...filter.org>
Cc: netdev@...r.kernel.org, davem@...emloft.net, fbl@...hat.com
Subject: Re: [patch net-next v2 1/3] team: handle sending port list in the
same way option list is sent
Sat, Feb 02, 2013 at 02:29:28AM CET, pablo@...filter.org wrote:
>On Sat, Feb 02, 2013 at 12:31:47AM +0100, Jiri Pirko wrote:
>> Fri, Feb 01, 2013 at 09:43:10PM CET, pablo@...filter.org wrote:
>> >On Fri, Feb 01, 2013 at 08:00:26PM +0100, Jiri Pirko wrote:
>> >> >> +send_done:
>> >> >> + nlh = nlmsg_put(skb, portid, seq, NLMSG_DONE, 0, flags | NLM_F_MULTI);
>> >> >> + if (!nlh) {
>> >> >> + err = __send_and_alloc_skb(&skb, team, portid, send_func);
>> >> >> + if (err)
>> >> >> + goto errout;
>> >> >> + goto send_done;
>> >> >> + }
>> >> >
>> >> >I'd suggest to use netlink_dump_start for this, so you don't need to
>> >> >manually create the NLMSG_DONE message.
>> >>
>> >> I believe that is not possible for genl
>> >
>> >By looking at net/netlink/genetlink.c, you can make it by means of the
>> >.dumpit callback in struct genl_ops. You have to pass NLM_F_DUMP from
>> >user-space to hit that code.
>>
>> Correct. But I need to do unsolicited multicast messages as well. And
>> that can't be resolved by dumpit.
>
>Interesting. Why do you need multi-part multicast event messages?
Messages are too big to fit one GENLMSG_DEFAULT_SIZE message.
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