target/linux/layerscape/patches-5.4/701-net-0303-staging-fsl_ppfe-eth-disable-CRC-removal.patch

   1 From 26ddfc3e40c52ca9cb78c6ae4b4608f94d2e8cb5 Mon Sep 17 00:00:00 2001
   2 From: Calvin Johnson <calvin.johnson@nxp.com>
   3 Date: Wed, 20 Jun 2018 10:23:32 +0530
   4 Subject: [PATCH] staging: fsl_ppfe/eth: disable CRC removal
   5
   6 Disable CRC removal from the packet, so that packets are forwarded
   7 as is to Linux.
   8 CRC configuration in MAC will be reflected in the packet received
   9 to Linux.
  10
  11 Signed-off-by: Calvin Johnson <calvin.johnson@nxp.com>
  12 ---
  13  drivers/staging/fsl_ppfe/pfe_hal.c | 4 ++--
  14  1 file changed, 2 insertions(+), 2 deletions(-)
  15
  16 --- a/drivers/staging/fsl_ppfe/pfe_hal.c
  17 +++ b/drivers/staging/fsl_ppfe/pfe_hal.c
  18 @@ -869,8 +869,8 @@ void gemac_set_mode(void *base, int mode
  19         /*Remove loopbank*/
  20         val &= ~EMAC_RCNTRL_LOOP;
  21
  22 -       /*Enable flow control and MII mode*/
  23 -       val |= (EMAC_RCNTRL_FCE | EMAC_RCNTRL_MII_MODE);
  24 +       /* Enable flow control and MII mode and terminate received CRC */
  25 +       val |= (EMAC_RCNTRL_FCE | EMAC_RCNTRL_MII_MODE | EMAC_RCNTRL_CRC_FWD);
  26
  27         writel(val, base + EMAC_RCNTRL_REG);
  28  }