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Date: Sat, 09 May 2015 22:15:54 -0400 (EDT) From: David Miller <davem@...emloft.net> To: nicolas.dichtel@...nd.com Cc: netdev@...r.kernel.org, tgraf@...g.ch, ebiederm@...ssion.com Subject: Re: [PATCH net-next v2 0/7] netns: ease netlink use with a lot of netns From: Nicolas Dichtel <nicolas.dichtel@...nd.com> Date: Thu, 7 May 2015 11:02:46 +0200 > This idea was informally discussed in Ottawa / netdev0.1. The goal is to > ease the use/scalability of netns, from a userland point of view. > Today, users need to open one netlink socket per family and per netns. > Thus, when the number of netns inscreases (for example 5K or more), the > number of sockets needed to manage them grows a lot. > > The goal of this series is to be able to monitor netlink events, for a > specified family, for a set of netns, with only one netlink socket. 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. Series applied, thanks Nicolas. -- 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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