Even though TC2QOS mapping is for switch egress queues, we need to configure it correclty in order for the Broadcom tag ingress (CPU -> switch) queue selection to work correctly since there is a 1:1 mapping between switch egress queues and ingress queues.
Signed-off-by: Florian Fainelli <f.faine...@gmail.com> --- drivers/net/dsa/bcm_sf2.c | 9 +++++++++ 1 file changed, 9 insertions(+) diff --git a/drivers/net/dsa/bcm_sf2.c b/drivers/net/dsa/bcm_sf2.c index 3f1ad9d5d7c5..fc9f9f171e55 100644 --- a/drivers/net/dsa/bcm_sf2.c +++ b/drivers/net/dsa/bcm_sf2.c @@ -103,6 +103,7 @@ static void bcm_sf2_brcm_hdr_setup(struct bcm_sf2_priv *priv, int port) static void bcm_sf2_imp_setup(struct dsa_switch *ds, int port) { struct bcm_sf2_priv *priv = bcm_sf2_to_priv(ds); + unsigned int i; u32 reg, offset; if (priv->type == BCM7445_DEVICE_ID) @@ -129,6 +130,14 @@ static void bcm_sf2_imp_setup(struct dsa_switch *ds, int port) reg |= MII_DUMB_FWDG_EN; core_writel(priv, reg, CORE_SWITCH_CTRL); + /* Configure Traffic Class to QoS mapping, allow each priority to map + * to a different queue number + */ + reg = core_readl(priv, CORE_PORT_TC2_QOS_MAP_PORT(port)); + for (i = 0; i < 8; i++) + reg |= i << (PRT_TO_QID_SHIFT * i); + core_writel(priv, reg, CORE_PORT_TC2_QOS_MAP_PORT(port)); + bcm_sf2_brcm_hdr_setup(priv, port); /* Force link status for IMP port */ -- 1.9.1