Re: [PATCH 2/3] net: macb: fix dropped RX frames due to a race

On 30.11.2018 20:21, Anssi Hannula wrote: > Bit RX_USED set to 0 in the address field allows the controller to write > data to the receive buffer descriptor. > > The driver does not ensure the ctrl field is ready (cleared) when the > controller sees the RX_USED=0 written by the driver. The ctrl

Re: [PATCH 2/3] net: macb: fix dropped RX frames due to a race

Hi Anssi, On Mon, Dec 3, 2018 at 4:02 PM Anssi Hannula wrote: > > Hi, > > On 3.12.2018 6:52, Harini Katakam wrote: > > Hi Anssi, > > On Fri, Nov 30, 2018 at 11:53 PM Anssi Hannula > > wrote: > >> Bit RX_USED set to 0 in the address field allows the controller to write > >> data to the receive bu

Re: [PATCH 2/3] net: macb: fix dropped RX frames due to a race

Hi, On 3.12.2018 6:52, Harini Katakam wrote: > Hi Anssi, > On Fri, Nov 30, 2018 at 11:53 PM Anssi Hannula > wrote: >> Bit RX_USED set to 0 in the address field allows the controller to write >> data to the receive buffer descriptor. >> >> The driver does not ensure the ctrl field is ready (clear

Re: [PATCH 2/3] net: macb: fix dropped RX frames due to a race

Hi Anssi, On Fri, Nov 30, 2018 at 11:53 PM Anssi Hannula wrote: > > Bit RX_USED set to 0 in the address field allows the controller to write > data to the receive buffer descriptor. > > The driver does not ensure the ctrl field is ready (cleared) when the > controller sees the RX_USED=0 written by

[PATCH 2/3] net: macb: fix dropped RX frames due to a race

Bit RX_USED set to 0 in the address field allows the controller to write data to the receive buffer descriptor. The driver does not ensure the ctrl field is ready (cleared) when the controller sees the RX_USED=0 written by the driver. The ctrl field might only be cleared after the controller has a