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From: Jakub Kicinski <kuba@kernel.org>
To: Ilya Maximets <i.maximets@ovn.org>
Cc: Eric Dumazet <edumazet@google.com>,
	Stefano Brivio <sbrivio@redhat.com>,
	davem@davemloft.net, netdev@vger.kernel.org, pabeni@redhat.com,
	jiri@resnulli.us, idosch@idosch.org, johannes@sipsolutions.net,
	fw@strlen.de, pablo@netfilter.org, Martin Pitt <mpitt@redhat.com>,
	Paul Holzinger <pholzing@redhat.com>,
	David Gibson <david@gibson.dropbear.id.au>
Subject: Re: [PATCH net-next v2 3/3] genetlink: fit NLMSG_DONE into same read() as families
Date: Thu, 11 Apr 2024 08:16:10 -0700	[thread overview]
Message-ID: <20240411081610.71818cfc@kernel.org> (raw)
In-Reply-To: <02b50aae-f0e9-47a4-8365-a977a85975d3@ovn.org>

On Thu, 4 Apr 2024 00:52:15 +0200 Ilya Maximets wrote:
> /usr/sbin/ipsec auto --config ipsec.conf --ctlsocket pluto.ctl \
>                      --start --asynchronous tun-in-1
> 
> recvfrom(7, 
> [
>   [{nlmsg_len=52, nlmsg_type=RTM_NEWROUTE, nlmsg_flags=NLM_F_MULTI, ...],
>   ...
>   [{nlmsg_len=52, nlmsg_type=RTM_NEWROUTE, nlmsg_flags=NLM_F_MULTI, ...],
>   [{nlmsg_len=20, nlmsg_type=NLMSG_DONE, nlmsg_flags=NLM_F_MULTI, ...]
> ], 40960, 0, {sa_family=AF_NETLINK, nl_pid=0, nl_groups=00000000}, [12])
> 
> recvfrom(7, <-- Stuck here forever

I think we should probably fix this..
Would you mind sharing the sendmsg() call? Eyeballing rtnl_dump_all() -
it does seem to coalesce DONE..

  reply	other threads:[~2024-04-11 15:16 UTC|newest]

Thread overview: 25+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2024-03-03  5:24 [PATCH net-next v2 0/3] netlink: handle EMSGSIZE errors in the core Jakub Kicinski
2024-03-03  5:24 ` [PATCH net-next v2 1/3] " Jakub Kicinski
2024-03-03 15:01   ` Ido Schimmel
2024-03-03  5:24 ` [PATCH net-next v2 2/3] netdev: let netlink core handle -EMSGSIZE errors Jakub Kicinski
2024-03-03 15:08   ` Ido Schimmel
2024-03-03  5:24 ` [PATCH net-next v2 3/3] genetlink: fit NLMSG_DONE into same read() as families Jakub Kicinski
2024-03-03 15:10   ` Ido Schimmel
2024-03-15 11:48   ` Stefano Brivio
2024-03-19 15:55     ` Jakub Kicinski
2024-03-19 17:17       ` Eric Dumazet
2024-03-19 17:40         ` Jakub Kicinski
2024-03-21 12:56           ` Gal Pressman
2024-03-21 13:51             ` Ido Schimmel
2024-03-21 15:03               ` Gal Pressman
2024-03-21 17:26               ` Eric Dumazet
2024-03-21 17:41                 ` Ido Schimmel
2024-04-03 22:52           ` Ilya Maximets
2024-04-11 15:16             ` Jakub Kicinski [this message]
2024-04-11 15:39               ` Ilya Maximets
2024-04-11 15:52                 ` Jakub Kicinski
2024-04-11 16:38                   ` Ilya Maximets
2024-04-11 18:03                     ` Jakub Kicinski
2024-04-11 18:04                       ` Jakub Kicinski
2024-03-19 23:36       ` David Gibson
2024-03-06  8:10 ` [PATCH net-next v2 0/3] netlink: handle EMSGSIZE errors in the core patchwork-bot+netdevbpf

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