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Message-ID: <20150507115559.GC16619@pox.localdomain> Date: Thu, 7 May 2015 13:55:59 +0200 From: Thomas Graf <tgraf@...g.ch> To: Nicolas Dichtel <nicolas.dichtel@...nd.com> Cc: netdev@...r.kernel.org, davem@...emloft.net, ebiederm@...ssion.com Subject: Re: [PATCH net-next v2 7/7] netlink: allow to listen "all" netns On 05/07/15 at 11:02am, Nicolas Dichtel wrote: > More accurately, listen all netns that have a nsid assigned into the netns > where the netlink socket is opened. > For this purpose, a netlink socket option is added: > NETLINK_LISTEN_ALL_NSID. When this option is set on a netlink socket, this > socket will receive netlink notifications from all netns that have a nsid > assigned into the netns where the socket has been opened. The nsid is sent > to userland via an anscillary data. > > With this patch, a daemon needs only one socket to listen many netns. This > is useful when the number of netns is high. > > Because 0 is a valid value for a nsid, the field nsid_is_set indicates if > the field nsid is valid or not. skb->cb is initialized to 0 on skb > allocation, thus we are sure that we will never send a nsid 0 by error to > the userland. > > Signed-off-by: Nicolas Dichtel <nicolas.dichtel@...nd.com> LGTM, nice work Acked-by: Thomas Graf <tgraf@...g.ch> -- To unsubscribe from this list: send the line "unsubscribe netdev" in the body of a message to majordomo@...r.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html
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