Re: [PATCH 2/3] net cpsw: fix rx stability under heavy network load

2014-05-05 Thread Sascha Hauer
On Wed, Apr 30, 2014 at 10:32:02AM +0200, chf.fr...@googlemail.com wrote: > From: Christoph Fritz > > RX DMA Head Descriptor Pointer can get 0 when there is a lot of traffic, > which results in a timeout error. A good way to provoke this error is by > sending lots of ARP requests. This patch make

[PATCH 2/3] net cpsw: fix rx stability under heavy network load

2014-04-30 Thread chf . fritz
From: Christoph Fritz RX DMA Head Descriptor Pointer can get 0 when there is a lot of traffic, which results in a timeout error. A good way to provoke this error is by sending lots of ARP requests. This patch makes sure that the RX DMA Head Descriptor Pointer is set. The origin driver, from whic