diff options
| -rw-r--r-- | drivers/net/ethernet/broadcom/bcmsysport.c | 9 |
1 files changed, 9 insertions, 0 deletions
diff --git a/drivers/net/ethernet/broadcom/bcmsysport.c b/drivers/net/ethernet/broadcom/bcmsysport.c index 6f4e18644bd4..8f91de169663 100644 --- a/drivers/net/ethernet/broadcom/bcmsysport.c +++ b/drivers/net/ethernet/broadcom/bcmsysport.c @@ -139,6 +139,15 @@ static int bcm_sysport_set_rx_csum(struct net_device *dev, else reg &= ~RXCHK_SKIP_FCS; + /* If Broadcom tags are enabled (e.g: using a switch), make + * sure we tell the RXCHK hardware to expect a 4-bytes Broadcom + * tag after the Ethernet MAC Source Address. + */ + if (netdev_uses_dsa(dev)) + reg |= RXCHK_BRCM_TAG_EN; + else + reg &= ~RXCHK_BRCM_TAG_EN; + rxchk_writel(priv, reg, RXCHK_CONTROL); return 0; |