On Tue, 2014-03-04 at 20:01 +0800, Hayes Wang wrote:
> Support scatter gather and TSO.
>
> - netdev->features |= NETIF_F_RXCSUM | NETIF_F_IP_CSUM;
> - netdev->hw_features = NETIF_F_RXCSUM | NETIF_F_IP_CSUM;
> + netdev->features |= NETIF_F_RXCSUM | NETIF_F_IP_CSUM | NETIF_F_SG |
> +
On Tue, 2014-03-04 at 20:01 +0800, Hayes Wang wrote:
> +static u32 r8152_xmit_frags(struct r8152 *tp, struct sk_buff *skb, u8 *data)
> +{
> + struct skb_shared_info *info = skb_shinfo(skb);
> + unsigned int cur_frag;
> + u32 total = skb_headlen(skb);
> +
> + memcpy(data, skb->data,
From: Eric Dumazet
> On Tue, 2014-03-04 at 14:35 +, David Laight wrote:
>
> > Does that mean you are splitting the 64k 'ethernet packet' from TCP
> > is software? I've looked at the ax88179 where the hardware can do it.
> >
> > Is there really a gain doing segmentation here if you have to do
On Tue, 2014-03-04 at 14:35 +, David Laight wrote:
> Does that mean you are splitting the 64k 'ethernet packet' from TCP
> is software? I've looked at the ax88179 where the hardware can do it.
>
> Is there really a gain doing segmentation here if you have to do the
> extra data copy?
There i
From: hayeswang
> David Laight [mailto:david.lai...@aculab.com]
> > Sent: Tuesday, March 04, 2014 8:12 PM
> > To: 'Hayes Wang'; net...@vger.kernel.org
> > Cc: nic_s...@realtek.com; linux-kernel@vger.kernel.org;
> > linux-...@vger.kernel.org
> > Subject
David Laight [mailto:david.lai...@aculab.com]
> Sent: Tuesday, March 04, 2014 8:12 PM
> To: 'Hayes Wang'; net...@vger.kernel.org
> Cc: nic_s...@realtek.com; linux-kernel@vger.kernel.org;
> linux-...@vger.kernel.org
> Subject: RE: [PATCH net-next 08/12] r8152: support
From: Hayes Wang
> Support scatter gather and TSO.
>
> Adjust the tx checksum function and set the max gso size to fix the
> size of the tx aggregation buffer.
There is little point supporting TSO unless the usb host controller
supports arbitrary aligned scatter-gather.
All you do is require that
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