From: Max Krasnyansky <maxk@qualcomm.com>
To: Rusty Russell <rusty@rustcorp.com.au>
Cc: Herbert Xu <herbert@gondor.apana.org.au>,
netdev@vger.kernel.org,
virtualization@lists.linux-foundation.org,
David Miller <davem@davemloft.net>
Subject: Re: [PATCH 1/4] tun: Interface to query tun/tap features.
Date: Tue, 01 Jul 2008 21:59:02 -0700 [thread overview]
Message-ID: <486B0B16.10205@qualcomm.com> (raw)
In-Reply-To: <200806260028.07883.rusty@rustcorp.com.au>
Rusty Russell wrote:
> The problem with introducing checksum offload and gso to tun is they
> need to set dev->features to enable GSO and/or checksumming, which is
> supposed to be done before register_netdevice(), ie. as part of
> TUNSETIFF.
>
> Unfortunately, TUNSETIFF has always just ignored flags it doesn't
> understand, so there's no good way of detecting whether the kernel
> supports new IFF_ flags.
>
> This patch implements a TUNGETFEATURES ioctl which returns all the valid IFF
> flags. It could be extended later to include other features.
<snip>
Looks good.
Dave, do you want me to put all outstanding TUN patches into a git tree so
that you can pull them in one shot ?
Otherwise if you're ok with applying them one by one please apply this one.
Acked-by: Max Krasnyansky <maxk@qualcomm.com>
next prev parent reply other threads:[~2008-07-02 4:58 UTC|newest]
Thread overview: 17+ messages / expand[flat|nested] mbox.gz Atom feed top
2008-06-25 14:28 [PATCH 1/4] tun: Interface to query tun/tap features Rusty Russell
2008-06-25 14:29 ` [PATCH 2/4] tun: TUNSETFEATURES to set gso features Rusty Russell
2008-06-25 14:30 ` [PATCH 3/4] tun: Allow GSO using virtio_net_hdr Rusty Russell
2008-06-25 14:32 ` [PATCH 4/4] lguest: Use GSO/IFF_VNET_HDR extensions on tun/tap Rusty Russell
2008-06-25 15:45 ` Rusty Russell
[not found] ` <200806260032.12359.rusty__46755.7742762894$1214404667$gmane$org@rustcorp.com.au>
2008-06-25 19:07 ` Anthony Liguori
2008-06-26 4:40 ` Rusty Russell
2008-06-26 18:16 ` Anthony Liguori
2008-06-27 3:50 ` Rusty Russell
2008-07-02 5:25 ` Max Krasnyansky
2008-07-02 5:13 ` [PATCH 3/4] tun: Allow GSO using virtio_net_hdr Max Krasnyansky
2008-07-02 7:00 ` Rusty Russell
2008-07-24 14:20 ` Herbert Xu
2008-07-24 23:54 ` Rusty Russell
2008-07-02 5:02 ` [PATCH 2/4] tun: TUNSETFEATURES to set gso features Max Krasnyansky
2008-07-02 4:59 ` Max Krasnyansky [this message]
2008-07-02 5:27 ` [PATCH 1/4] tun: Interface to query tun/tap features David Miller
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