diff options
| author | Vivien Didelot <vivien.didelot@gmail.com> | 2019-09-07 16:00:48 -0400 |
|---|---|---|
| committer | David S. Miller <davem@davemloft.net> | 2019-09-10 16:53:31 +0100 |
| commit | f3a2cd326e448f5b62b96b68bf12d2621de19303 (patch) | |
| tree | 4982976070df68c0a281c211e8bd5575e90538e2 /drivers/net/dsa/mv88e6xxx/port.c | |
| parent | d8291a956ac67b2f5e5dce80b93d36feb1eca624 (diff) | |
net: dsa: mv88e6xxx: introduce .port_set_policy
Introduce a new .port_set_policy operation to configure a port's
Policy Control List, based on mapping such as DA, SA, Etype and so on.
Models similar to 88E6352 and 88E6390 are supported at the moment.
Signed-off-by: Vivien Didelot <vivien.didelot@gmail.com>
Reviewed-by: Andrew Lunn <andrew@lunn.ch>
Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'drivers/net/dsa/mv88e6xxx/port.c')
| -rw-r--r-- | drivers/net/dsa/mv88e6xxx/port.c | 74 |
1 files changed, 74 insertions, 0 deletions
diff --git a/drivers/net/dsa/mv88e6xxx/port.c b/drivers/net/dsa/mv88e6xxx/port.c index 04006344adb2..15ef81654b67 100644 --- a/drivers/net/dsa/mv88e6xxx/port.c +++ b/drivers/net/dsa/mv88e6xxx/port.c @@ -1341,3 +1341,77 @@ int mv88e6390_port_tag_remap(struct mv88e6xxx_chip *chip, int port) return 0; } + +/* 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); +} |