Re: [PATCH v2] ravb: minimize TX data copying

2015-07-27 Thread Sergei Shtylyov
On 7/27/2015 11:47 AM, David Laight wrote: Renesas Ethernet AVB controller requires that all data are aligned on 4-byte boundary. While it's easily achievable for the RX data with the help of skb_reserve() (we even align on 128-byte boundary as recommended by the manual), we can't do the

Re: [PATCH v2] ravb: minimize TX data copying

2015-07-27 Thread David Miller
From: Sergei Shtylyov sergei.shtyl...@cogentembedded.com Date: Sat, 25 Jul 2015 23:42:01 +0300 Renesas Ethernet AVB controller requires that all data are aligned on 4-byte boundary. While it's easily achievable for the RX data with the help of skb_reserve() (we even align on 128-byte

RE: [PATCH v2] ravb: minimize TX data copying

2015-07-27 Thread David Laight
From: Sergei Shtylyov Sent: 25 July 2015 21:42 Renesas Ethernet AVB controller requires that all data are aligned on 4-byte boundary. While it's easily achievable for the RX data with the help of skb_reserve() (we even align on 128-byte boundary as recommended by the manual), we can't