Re: [PATCH] net: alx: Work around the DMA RX overflow issue

2016-06-14 Thread David Miller
From: Feng Tang Date: Sun, 12 Jun 2016 17:36:37 +0800 > Commit 26c5f03 uses a new skb allocator to avoid the RFD overflow > issue. > > But from debugging without datasheet, we found the error always > happen when the DMA RX address is set to 0xfc0, which is very > likely to be a HW/silicon p

Re: [PATCH] net: alx: Work around the DMA RX overflow issue

2016-06-12 Thread Eric Dumazet
On Sun, 2016-06-12 at 17:36 +0800, Feng Tang wrote: > Commit 26c5f03 uses a new skb allocator to avoid the RFD overflow > issue. > > But from debugging without datasheet, we found the error always > happen when the DMA RX address is set to 0xfc0, which is very > likely to be a HW/silicon probl

[PATCH] net: alx: Work around the DMA RX overflow issue

2016-06-12 Thread Feng Tang
Commit 26c5f03 uses a new skb allocator to avoid the RFD overflow issue. But from debugging without datasheet, we found the error always happen when the DMA RX address is set to 0xfc0, which is very likely to be a HW/silicon problem. So one idea is instead of adding a new allocator, why not j