linux-kernel - Re: [PATCH v8] net: openvswitch

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Date:	Wed, 16 Jul 2014 16:00:30 -0700
From:	Pravin Shelar <pshelar@...ira.com>
To:	Tom Gundersen <teg@...m.no>
Cc:	netdev <netdev@...r.kernel.org>,
	David Miller <davem@...emloft.net>,
	LKML <linux-kernel@...r.kernel.org>,
	"dev@...nvswitch.org" <dev@...nvswitch.org>
Subject: Re: [PATCH v8] net: openvswitch - set name assign type

On Wed, Jul 16, 2014 at 3:43 PM, Tom Gundersen <teg@...m.no> wrote:
> Signed-off-by: Tom Gundersen <teg@...m.no>
> Cc: Pravin Shelar <pshelar@...ira.com>
> Cc: dev@...nvswitch.org
> ---
>
> This patch goes on top of net-next.
>
>  net/openvswitch/datapath.c           | 1 +
>  net/openvswitch/vport-internal_dev.c | 2 +-
>  net/openvswitch/vport.h              | 2 ++
>  3 files changed, 4 insertions(+), 1 deletion(-)
>
> diff --git a/net/openvswitch/datapath.c b/net/openvswitch/datapath.c
> index fe95b6c..c1400c0 100644
> --- a/net/openvswitch/datapath.c
> +++ b/net/openvswitch/datapath.c
> @@ -1370,6 +1370,7 @@ static int ovs_dp_cmd_new(struct sk_buff *skb, struct genl_info *info)
>
>         /* Set up our datapath device. */
>         parms.name = nla_data(a[OVS_DP_ATTR_NAME]);
> +       parms.name_assign_type = NET_NAME_USER;
>         parms.type = OVS_VPORT_TYPE_INTERNAL;
>         parms.options = NULL;
>         parms.dp = dp;
> diff --git a/net/openvswitch/vport-internal_dev.c b/net/openvswitch/vport-internal_dev.c
> index bd65855..df185a7 100644
> --- a/net/openvswitch/vport-internal_dev.c
> +++ b/net/openvswitch/vport-internal_dev.c
> @@ -165,7 +165,7 @@ static struct vport *internal_dev_create(const struct vport_parms *parms)
>         netdev_vport = netdev_vport_priv(vport);
>
>         netdev_vport->dev = alloc_netdev(sizeof(struct internal_dev),
> -                                        parms->name, NET_NAME_UNKNOWN,
> +                                        parms->name, parms->name_assign_type,
>                                          do_setup);
>         if (!netdev_vport->dev) {
>                 err = -ENOMEM;

vport name is always configured by user. Therefore can you just
replace NET_NAME_UNKNOWN with NET_NAME_USER while calling
alloc_netdev().


> diff --git a/net/openvswitch/vport.h b/net/openvswitch/vport.h
> index 8d721e6..a9d7480 100644
> --- a/net/openvswitch/vport.h
> +++ b/net/openvswitch/vport.h
> @@ -97,6 +97,7 @@ struct vport {
>   * struct vport_parms - parameters for creating a new vport
>   *
>   * @name: New vport's name.
> + * @name_assign_type: New vport's name's origin.
>   * @type: New vport's type.
>   * @options: %OVS_VPORT_ATTR_OPTIONS attribute from Netlink message, %NULL if
>   * none was supplied.
> @@ -105,6 +106,7 @@ struct vport {
>   */
>  struct vport_parms {
>         const char *name;
> +       unsigned char name_assign_type;
>         enum ovs_vport_type type;
>         struct nlattr *options;
>
> --
> 1.9.3
>
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