+
+/* Offset 0x0E: Policy Control Register */
+
+int mv88e6352_port_set_policy(struct mv88e6xxx_chip *chip, int port,
+ enum mv88e6xxx_policy_mapping mapping,
+ enum mv88e6xxx_policy_action action)
+{
+ u16 reg, mask, val;
+ int shift;
+ int err;
+
+ switch (mapping) {
+ case MV88E6XXX_POLICY_MAPPING_DA:
+ shift = __bf_shf(MV88E6XXX_PORT_POLICY_CTL_DA_MASK);
+ mask = MV88E6XXX_PORT_POLICY_CTL_DA_MASK;
+ break;
+ case MV88E6XXX_POLICY_MAPPING_SA:
+ shift = __bf_shf(MV88E6XXX_PORT_POLICY_CTL_SA_MASK);
+ mask = MV88E6XXX_PORT_POLICY_CTL_SA_MASK;
+ break;
+ case MV88E6XXX_POLICY_MAPPING_VTU:
+ shift = __bf_shf(MV88E6XXX_PORT_POLICY_CTL_VTU_MASK);
+ mask = MV88E6XXX_PORT_POLICY_CTL_VTU_MASK;
+ break;
+ case MV88E6XXX_POLICY_MAPPING_ETYPE:
+ shift = __bf_shf(MV88E6XXX_PORT_POLICY_CTL_ETYPE_MASK);
+ mask = MV88E6XXX_PORT_POLICY_CTL_ETYPE_MASK;
+ break;
+ case MV88E6XXX_POLICY_MAPPING_PPPOE:
+ shift = __bf_shf(MV88E6XXX_PORT_POLICY_CTL_PPPOE_MASK);
+ mask = MV88E6XXX_PORT_POLICY_CTL_PPPOE_MASK;
+ break;
+ case MV88E6XXX_POLICY_MAPPING_VBAS:
+ shift = __bf_shf(MV88E6XXX_PORT_POLICY_CTL_VBAS_MASK);
+ mask = MV88E6XXX_PORT_POLICY_CTL_VBAS_MASK;
+ break;
+ case MV88E6XXX_POLICY_MAPPING_OPT82:
+ shift = __bf_shf(MV88E6XXX_PORT_POLICY_CTL_OPT82_MASK);
+ mask = MV88E6XXX_PORT_POLICY_CTL_OPT82_MASK;
+ break;
+ case MV88E6XXX_POLICY_MAPPING_UDP:
+ shift = __bf_shf(MV88E6XXX_PORT_POLICY_CTL_UDP_MASK);
+ mask = MV88E6XXX_PORT_POLICY_CTL_UDP_MASK;
+ break;
+ default:
+ return -EOPNOTSUPP;
+ }
+
+ switch (action) {
+ case MV88E6XXX_POLICY_ACTION_NORMAL:
+ val = MV88E6XXX_PORT_POLICY_CTL_NORMAL;
+ break;
+ case MV88E6XXX_POLICY_ACTION_MIRROR:
+ val = MV88E6XXX_PORT_POLICY_CTL_MIRROR;
+ break;
+ case MV88E6XXX_POLICY_ACTION_TRAP:
+ val = MV88E6XXX_PORT_POLICY_CTL_TRAP;
+ break;
+ case MV88E6XXX_POLICY_ACTION_DISCARD:
+ val = MV88E6XXX_PORT_POLICY_CTL_DISCARD;
+ break;
+ default:
+ return -EOPNOTSUPP;
+ }
+
+ err = mv88e6xxx_port_read(chip, port, MV88E6XXX_PORT_POLICY_CTL, ®);
+ if (err)
+ return err;
+
+ reg &= ~mask;
+ reg |= (val << shift) & mask;
+
+ return mv88e6xxx_port_write(chip, port, MV88E6XXX_PORT_POLICY_CTL, reg);
+}