[net-next PATCH v2 06/10] net: netcp: ethss: map vlan priorities to zero flow
From: Murali Karicheri <hidden>
Date: 2018-03-27 18:05:52
Also in:
linux-devicetree, lkml, netdev
Subsystem:
networking drivers, the rest · Maintainers:
Andrew Lunn, "David S. Miller", Eric Dumazet, Jakub Kicinski, Paolo Abeni, Linus Torvalds
The driver currently support only vlan priority zero. So map the vlan priorities to zero flow in hardware. Signed-off-by: Murali Karicheri <redacted> --- 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 078a1b8..828243d 100644
--- a/drivers/net/ethernet/ti/netcp_ethss.c
+++ b/drivers/net/ethernet/ti/netcp_ethss.c@@ -595,6 +595,7 @@ 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;
@@ -2299,6 +2300,13 @@ 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);
@@ -3000,6 +3008,7 @@ 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);
--
1.9.1