From 65c450642c4991ab456ebd157e14d52c81106695 Mon Sep 17 00:00:00 2001 From: Murali Karicheri Date: Tue, 17 Apr 2018 17:30:36 -0400 Subject: [PATCH] net: netcp: ethss: map vlan priorities to zero flow The driver currently support only vlan priority zero. So map the vlan priorities to zero flow in hardware. Signed-off-by: Murali Karicheri Signed-off-by: David S. Miller --- drivers/net/ethernet/ti/netcp_ethss.c | 9 +++++++++ 1 file changed, 9 insertions(+) diff --git a/drivers/net/ethernet/ti/netcp_ethss.c b/drivers/net/ethernet/ti/netcp_ethss.c index 83acb728a8f7..91935e589b08 100644 --- a/drivers/net/ethernet/ti/netcp_ethss.c +++ b/drivers/net/ethernet/ti/netcp_ethss.c @@ -602,6 +602,7 @@ struct gbe_port_regs { struct gbe_port_regs_ofs { u16 port_vlan; u16 tx_pri_map; + u16 rx_pri_map; u16 sa_lo; u16 sa_hi; u16 ts_ctl; @@ -2304,6 +2305,13 @@ static int gbe_slave_open(struct gbe_intf *gbe_intf) gbe_sgmii_rtreset(priv, slave, false); gbe_port_config(priv, slave, priv->rx_packet_max); gbe_set_slave_mac(slave, gbe_intf); + /* For NU & 2U switch, map the vlan priorities to zero + * as we only configure to use priority 0 + */ + if (IS_SS_ID_MU(priv)) + writel(HOST_TX_PRI_MAP_DEFAULT, + GBE_REG_ADDR(slave, port_regs, rx_pri_map)); + /* enable forwarding */ cpsw_ale_control_set(priv->ale, slave->port_num, ALE_PORT_STATE, ALE_PORT_STATE_FORWARD); @@ -3005,6 +3013,7 @@ static int init_slave(struct gbe_priv *gbe_dev, struct gbe_slave *slave, /* Initialize slave port register offsets */ GBENU_SET_REG_OFS(slave, port_regs, port_vlan); GBENU_SET_REG_OFS(slave, port_regs, tx_pri_map); + GBENU_SET_REG_OFS(slave, port_regs, rx_pri_map); GBENU_SET_REG_OFS(slave, port_regs, sa_lo); GBENU_SET_REG_OFS(slave, port_regs, sa_hi); GBENU_SET_REG_OFS(slave, port_regs, ts_ctl); -- 2.30.2