Re: [Fwd: Re: connector is missing in 2.6.12-rc2-mm1]

From: Evgeniy Polyakov
Date: Thu Apr 07 2005 - 04:56:09 EST


On Thu, 2005-04-07 at 10:12 +0100, Ian Campbell wrote:
> On Thu, 2005-04-07 at 12:13 +0400, Evgeniy Polyakov wrote:
> > The main idea was to simplify userspace control and notification
> > system - so people did not waste it's time learning how skb's are
> > allocated
> > and processed, how socket layer is designed and what all those
> > netlink_* and NLMSG* mean if they do not need it.
>
> Isn't connector built on top of netlink? If so, is there any reason for
> it to be a new subsystem rather than an extension the the netlink API?

Connector is not netlink API extension in any way.
It uses netlink as transport layer, one can change
cn_netlink_send()/cn_input()
into something like bidirectional ioctl and use it.

Only one cn_netlink_send() function can be "described" as API
extension,
although even it is not entirely true.

Better design explanation can be found in lkml/netdev archives.

> Ian.
--
Evgeniy Polyakov

Crash is better than data corruption -- Arthur Grabowski

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