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From: Joe Perches <joe@perches.com>
To: Or Gerlitz <ogerlitz@mellanox.com>
Cc: davem@davemloft.net, netdev@vger.kernel.org, amirv@mellanox.com,
	yanb@mellanox.com, ast@plumgrid.com,
	Matan Barak <matanb@mellanox.com>
Subject: Re: [PATCH net-next V1 2/2] net/mlx4_en: Add netdev support for TCP/IP offloads of vxlan tunneling
Date: Sun, 22 Dec 2013 06:52:53 -0800	[thread overview]
Message-ID: <1387723973.22671.19.camel@joe-AO722> (raw)
In-Reply-To: <52B6FAED.3070709@mellanox.com>

On Sun, 2013-12-22 at 16:45 +0200, Or Gerlitz wrote:
> On 22/12/2013 16:19, Joe Perches wrote:
> > On Sun, 2013-12-22 at 16:00 +0200, Or Gerlitz wrote:
> > trivia:
[]
> >> @@ -68,6 +68,12 @@ void mlx4_en_fill_qp_context(struct mlx4_en_priv *priv, int size, int stride,
> >>   	context->db_rec_addr = cpu_to_be64(priv->res.db.dma << 2);
> >>   	if (!(dev->features & NETIF_F_HW_VLAN_CTAG_RX))
> >>   		context->param3 |= cpu_to_be32(1 << 30);
> >> +
> >> +	if (!is_tx && !rss &&
> >> +	    (mdev->dev->caps.tunnel_offload_mode ==  MLX4_TUNNEL_OFFLOAD_MODE_VXLAN)) {
> >> +		en_dbg(HW, priv, "Setting RX qp %x tunnel mode to RX tunneled & non-tunneled\n", qpn);
> >> +		context->srqn |= cpu_to_be32(7 << 28); /* this fills bits 30:28 */
> > Is that bit setting 0 based or 1 based?
> 
> 1 based, any issue with that?

No, but if it's 1 based, doesn't this fill bits 31:29 ?

cheers, Joe

  reply	other threads:[~2013-12-22 14:52 UTC|newest]

Thread overview: 8+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2013-12-22 14:00 [PATCH net-next V1 0/2] net/mlx4: Add support for TCP/IP offloads of vxlan tunneling Or Gerlitz
2013-12-22 14:00 ` [PATCH net-next V1 1/2] net/mlx4_core: Add basic support for TCP/IP offloads under tunneling Or Gerlitz
2013-12-22 14:00 ` [PATCH net-next V1 2/2] net/mlx4_en: Add netdev support for TCP/IP offloads of vxlan tunneling Or Gerlitz
2013-12-22 14:19   ` Joe Perches
2013-12-22 14:45     ` Or Gerlitz
2013-12-22 14:52       ` Joe Perches [this message]
2013-12-22 15:05         ` Or Gerlitz
2013-12-22 14:53     ` Or Gerlitz

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