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SubjectRe: DSA mv88e6xxx RX frame errors and TCP/IP RX failure
On Wed, Aug 30, 2017 at 12:53:56PM -0700, Tim Harvey wrote:
> Greetings,
>
> I'm seeing RX frame errors when using the mv88e6xxx DSA driver on
> 4.13-rc7. The board I'm using is a GW5904 [1] which has an IMX6 FEC
> MAC (eth0) connected via RGMII to a MV88E6176 with its downstream
> P0/P1/P2/P3 to front panel RJ45's (lan1-lan4).

Hi Tim

Can you confirm the counter is this one:

/* Report late collisions as a frame error. */
if (status & (BD_ENET_RX_NO | BD_ENET_RX_CL))
ndev->stats.rx_frame_errors++;

I don't see anywhere else frame errors are counted, but it would be
good to prove we are looking in the right place.

Andrew

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