Re: [PATCH v3] net: macb: restart tx after tx used bit read

2018-12-18 Thread David Miller
From: Date: Mon, 17 Dec 2018 10:02:42 + > From: Claudiu Beznea > > On some platforms (currently detected only on SAMA5D4) TX might stuck > even the pachets are still present in DMA memories and TX start was > issued for them. This happens due to race condition between MACB driver > updating

Re: [PATCH v3] net: macb: restart tx after tx used bit read

2018-12-17 Thread Nicolas.Ferre
On 17/12/2018 at 11:02, Claudiu Beznea - M18063 wrote: > From: Claudiu Beznea > > On some platforms (currently detected only on SAMA5D4) TX might stuck > even the pachets are still present in DMA memories and TX start was > issued for them. This happens due to race condition between MACB driver >

[PATCH v3] net: macb: restart tx after tx used bit read

2018-12-17 Thread Claudiu.Beznea
From: Claudiu Beznea On some platforms (currently detected only on SAMA5D4) TX might stuck even the pachets are still present in DMA memories and TX start was issued for them. This happens due to race condition between MACB driver updating next TX buffer descriptor to be used and IP reading the s