diff options
Diffstat (limited to 'drivers/net/ethernet/microchip/lan966x/lan966x_port.c')
| -rw-r--r-- | drivers/net/ethernet/microchip/lan966x/lan966x_port.c | 149 |
1 files changed, 149 insertions, 0 deletions
diff --git a/drivers/net/ethernet/microchip/lan966x/lan966x_port.c b/drivers/net/ethernet/microchip/lan966x/lan966x_port.c index 0050fcb988b7..92108d354051 100644 --- a/drivers/net/ethernet/microchip/lan966x/lan966x_port.c +++ b/drivers/net/ethernet/microchip/lan966x/lan966x_port.c @@ -394,6 +394,155 @@ int lan966x_port_pcs_set(struct lan966x_port *port, return 0; } +static void lan966x_port_qos_pcp_set(struct lan966x_port *port, + struct lan966x_port_qos_pcp *qos) +{ + u8 *pcp_itr = qos->map; + u8 pcp, dp; + + lan_rmw(ANA_QOS_CFG_QOS_PCP_ENA_SET(qos->enable), + ANA_QOS_CFG_QOS_PCP_ENA, + port->lan966x, ANA_QOS_CFG(port->chip_port)); + + /* Map PCP and DEI to priority */ + for (int i = 0; i < ARRAY_SIZE(qos->map); i++) { + pcp = *(pcp_itr + i); + dp = (i < LAN966X_PORT_QOS_PCP_COUNT) ? 0 : 1; + + lan_rmw(ANA_PCP_DEI_CFG_QOS_PCP_DEI_VAL_SET(pcp) | + ANA_PCP_DEI_CFG_DP_PCP_DEI_VAL_SET(dp), + ANA_PCP_DEI_CFG_QOS_PCP_DEI_VAL | + ANA_PCP_DEI_CFG_DP_PCP_DEI_VAL, + port->lan966x, + ANA_PCP_DEI_CFG(port->chip_port, i)); + } +} + +static void lan966x_port_qos_dscp_set(struct lan966x_port *port, + struct lan966x_port_qos_dscp *qos) +{ + struct lan966x *lan966x = port->lan966x; + + /* Enable/disable dscp for qos classification. */ + lan_rmw(ANA_QOS_CFG_QOS_DSCP_ENA_SET(qos->enable), + ANA_QOS_CFG_QOS_DSCP_ENA, + lan966x, ANA_QOS_CFG(port->chip_port)); + + /* Map each dscp value to priority and dp */ + for (int i = 0; i < ARRAY_SIZE(qos->map); i++) + lan_rmw(ANA_DSCP_CFG_DP_DSCP_VAL_SET(0) | + ANA_DSCP_CFG_QOS_DSCP_VAL_SET(*(qos->map + i)), + ANA_DSCP_CFG_DP_DSCP_VAL | + ANA_DSCP_CFG_QOS_DSCP_VAL, + lan966x, ANA_DSCP_CFG(i)); + + /* Set per-dscp trust */ + for (int i = 0; i < ARRAY_SIZE(qos->map); i++) + lan_rmw(ANA_DSCP_CFG_DSCP_TRUST_ENA_SET(qos->enable), + ANA_DSCP_CFG_DSCP_TRUST_ENA, + lan966x, ANA_DSCP_CFG(i)); +} + +static int lan966x_port_qos_default_set(struct lan966x_port *port, + struct lan966x_port_qos *qos) +{ + /* Set default prio and dp level */ + lan_rmw(ANA_QOS_CFG_DP_DEFAULT_VAL_SET(0) | + ANA_QOS_CFG_QOS_DEFAULT_VAL_SET(qos->default_prio), + ANA_QOS_CFG_DP_DEFAULT_VAL | + ANA_QOS_CFG_QOS_DEFAULT_VAL, + port->lan966x, ANA_QOS_CFG(port->chip_port)); + + /* Set default pcp and dei for untagged frames */ + lan_rmw(ANA_VLAN_CFG_VLAN_DEI_SET(0) | + ANA_VLAN_CFG_VLAN_PCP_SET(0), + ANA_VLAN_CFG_VLAN_DEI | + ANA_VLAN_CFG_VLAN_PCP, + port->lan966x, ANA_VLAN_CFG(port->chip_port)); + + return 0; +} + +static void lan966x_port_qos_pcp_rewr_set(struct lan966x_port *port, + struct lan966x_port_qos_pcp_rewr *qos) +{ + u8 mode = LAN966X_PORT_REW_TAG_CTRL_CLASSIFIED; + u8 pcp, dei; + + if (qos->enable) + mode = LAN966X_PORT_REW_TAG_CTRL_MAPPED; + + /* Map the values only if it is enabled otherwise will be the classified + * value + */ + lan_rmw(REW_TAG_CFG_TAG_PCP_CFG_SET(mode) | + REW_TAG_CFG_TAG_DEI_CFG_SET(mode), + REW_TAG_CFG_TAG_PCP_CFG | + REW_TAG_CFG_TAG_DEI_CFG, + port->lan966x, REW_TAG_CFG(port->chip_port)); + + /* Map each value to pcp and dei */ + for (int i = 0; i < ARRAY_SIZE(qos->map); i++) { + pcp = qos->map[i]; + if (pcp > LAN966X_PORT_QOS_PCP_COUNT) + dei = 1; + else + dei = 0; + + lan_rmw(REW_PCP_DEI_CFG_DEI_QOS_VAL_SET(dei) | + REW_PCP_DEI_CFG_PCP_QOS_VAL_SET(pcp), + REW_PCP_DEI_CFG_DEI_QOS_VAL | + REW_PCP_DEI_CFG_PCP_QOS_VAL, + port->lan966x, + REW_PCP_DEI_CFG(port->chip_port, + i + dei * LAN966X_PORT_QOS_PCP_COUNT)); + } +} + +static void lan966x_port_qos_dscp_rewr_set(struct lan966x_port *port, + struct lan966x_port_qos_dscp_rewr *qos) +{ + u16 dscp; + u8 mode; + + if (qos->enable) + mode = LAN966X_PORT_REW_DSCP_ANALIZER; + else + mode = LAN966X_PORT_REW_DSCP_FRAME; + + /* Enable the rewrite otherwise will use the values from the frame */ + lan_rmw(REW_DSCP_CFG_DSCP_REWR_CFG_SET(mode), + REW_DSCP_CFG_DSCP_REWR_CFG, + port->lan966x, REW_DSCP_CFG(port->chip_port)); + + /* Map each classified Qos class and DP to classified DSCP value */ + for (int i = 0; i < ARRAY_SIZE(qos->map); i++) { + dscp = qos->map[i]; + + lan_rmw(ANA_DSCP_REWR_CFG_DSCP_QOS_REWR_VAL_SET(dscp), + ANA_DSCP_REWR_CFG_DSCP_QOS_REWR_VAL, + port->lan966x, ANA_DSCP_REWR_CFG(i)); + } +} + +void lan966x_port_qos_dscp_rewr_mode_set(struct lan966x_port *port, + int mode) +{ + lan_rmw(ANA_QOS_CFG_DSCP_REWR_CFG_SET(mode), + ANA_QOS_CFG_DSCP_REWR_CFG, + port->lan966x, ANA_QOS_CFG(port->chip_port)); +} + +void lan966x_port_qos_set(struct lan966x_port *port, + struct lan966x_port_qos *qos) +{ + lan966x_port_qos_pcp_set(port, &qos->pcp); + lan966x_port_qos_dscp_set(port, &qos->dscp); + lan966x_port_qos_default_set(port, qos); + lan966x_port_qos_pcp_rewr_set(port, &qos->pcp_rewr); + lan966x_port_qos_dscp_rewr_set(port, &qos->dscp_rewr); +} + void lan966x_port_init(struct lan966x_port *port) { struct lan966x_port_config *config = &port->config; |