netdev - Re: [RFC PATCH] net: Add support for virtual machine device queues (VMDQ)

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Message-ID: <CAJZOPZJyXnHymw4D4VWAajc7Q1EeSaTHRYn7p9sKG2hiHGjr_A@mail.gmail.com>
Date:	Mon, 27 Aug 2012 12:47:18 +0300
From:	Or Gerlitz <or.gerlitz@...il.com>
To:	John Fastabend <john.r.fastabend@...el.com>
Cc:	davem@...emloft.net, roland@...nel.org, netdev@...r.kernel.org,
	ali@...lanox.com, sean.hefty@...el.com, shlomop@...lanox.com
Subject: Re: [RFC PATCH] net: Add support for virtual machine device queues (VMDQ)

On Sun, Aug 26, 2012 at 10:09 PM, John Fastabend
<john.r.fastabend@...el.com> wrote:
> That seems reasonable to me. Adding a 'sub' argument to the set
> routines should do it. Also the 'get' routines would need to be
> extended to report back these virtual net devices.
>
> int (*ndo_set_vf_mac)(struct net_device *dev, int vf, int sub, u8* mac);
> int (*ndo_set_vf_vlan)(struct net_device *dev,
>                        int vf, int sub, u16 vlan, u8 qos);
> int (*ndo_set_vf_tx_rate)(struct net_device *dev,
>                           int vf, int sub, int rate);
> int (*ndo_set_vf_spoofchk)(struct net_device *dev,
>                            int vf, int sub, bool setting);
> int (*ndo_get_vf_config)(struct net_device *dev,
>                          int vf, int sub,
>                          struct fila_vf_info *ivf)

> I would need to check if any of the ixgbe/igb supported hardware can
> support virtual device queues on virtual functions like this but I
> presume if your looking at this you have some hardware that can.

Yes, we look on HW that can.

Your suggestion makes sense, I will check here if this well addresses
the eswitch
use case we envision or/what is missing.

Or.
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