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net: dsa: mv88e6xxx: introduce .port_set_policy

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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>
This commit is contained in:
Vivien Didelot 2019-09-07 16:00:48 -04:00 committed by David S. Miller
parent d8291a956a
commit f3a2cd326e
4 changed files with 121 additions and 1 deletions
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9
drivers/net/dsa/mv88e6xxx/chip.c
View File

@ -3132,6 +3132,7 @@ static const struct mv88e6xxx_ops mv88e6172_ops = {
.port_set_rgmii_delay = mv88e6352_port_set_rgmii_delay,
.port_set_speed = mv88e6352_port_set_speed,
.port_tag_remap = mv88e6095_port_tag_remap,
.port_set_policy = mv88e6352_port_set_policy,
.port_set_frame_mode = mv88e6351_port_set_frame_mode,
.port_set_egress_floods = mv88e6352_port_set_egress_floods,
.port_set_ether_type = mv88e6351_port_set_ether_type,
@ -3218,6 +3219,7 @@ static const struct mv88e6xxx_ops mv88e6176_ops = {
.port_set_rgmii_delay = mv88e6352_port_set_rgmii_delay,
.port_set_speed = mv88e6352_port_set_speed,
.port_tag_remap = mv88e6095_port_tag_remap,
.port_set_policy = mv88e6352_port_set_policy,
.port_set_frame_mode = mv88e6351_port_set_frame_mode,
.port_set_egress_floods = mv88e6352_port_set_egress_floods,
.port_set_ether_type = mv88e6351_port_set_ether_type,
@ -3303,6 +3305,7 @@ static const struct mv88e6xxx_ops mv88e6190_ops = {
.port_set_speed = mv88e6390_port_set_speed,
.port_max_speed_mode = mv88e6390_port_max_speed_mode,
.port_tag_remap = mv88e6390_port_tag_remap,
.port_set_policy = mv88e6352_port_set_policy,
.port_set_frame_mode = mv88e6351_port_set_frame_mode,
.port_set_egress_floods = mv88e6352_port_set_egress_floods,
.port_set_ether_type = mv88e6351_port_set_ether_type,
@ -3351,6 +3354,7 @@ static const struct mv88e6xxx_ops mv88e6190x_ops = {
.port_set_speed = mv88e6390x_port_set_speed,
.port_max_speed_mode = mv88e6390x_port_max_speed_mode,
.port_tag_remap = mv88e6390_port_tag_remap,
.port_set_policy = mv88e6352_port_set_policy,
.port_set_frame_mode = mv88e6351_port_set_frame_mode,
.port_set_egress_floods = mv88e6352_port_set_egress_floods,
.port_set_ether_type = mv88e6351_port_set_ether_type,
@ -3448,6 +3452,7 @@ static const struct mv88e6xxx_ops mv88e6240_ops = {
.port_set_rgmii_delay = mv88e6352_port_set_rgmii_delay,
.port_set_speed = mv88e6352_port_set_speed,
.port_tag_remap = mv88e6095_port_tag_remap,
.port_set_policy = mv88e6352_port_set_policy,
.port_set_frame_mode = mv88e6351_port_set_frame_mode,
.port_set_egress_floods = mv88e6352_port_set_egress_floods,
.port_set_ether_type = mv88e6351_port_set_ether_type,
@ -3539,6 +3544,7 @@ static const struct mv88e6xxx_ops mv88e6290_ops = {
.port_set_speed = mv88e6390_port_set_speed,
.port_max_speed_mode = mv88e6390_port_max_speed_mode,
.port_tag_remap = mv88e6390_port_tag_remap,
.port_set_policy = mv88e6352_port_set_policy,
.port_set_frame_mode = mv88e6351_port_set_frame_mode,
.port_set_egress_floods = mv88e6352_port_set_egress_floods,
.port_set_ether_type = mv88e6351_port_set_ether_type,
@ -3809,6 +3815,7 @@ static const struct mv88e6xxx_ops mv88e6352_ops = {
.port_set_rgmii_delay = mv88e6352_port_set_rgmii_delay,
.port_set_speed = mv88e6352_port_set_speed,
.port_tag_remap = mv88e6095_port_tag_remap,
.port_set_policy = mv88e6352_port_set_policy,
.port_set_frame_mode = mv88e6351_port_set_frame_mode,
.port_set_egress_floods = mv88e6352_port_set_egress_floods,
.port_set_ether_type = mv88e6351_port_set_ether_type,
@ -3863,6 +3870,7 @@ static const struct mv88e6xxx_ops mv88e6390_ops = {
.port_set_speed = mv88e6390_port_set_speed,
.port_max_speed_mode = mv88e6390_port_max_speed_mode,
.port_tag_remap = mv88e6390_port_tag_remap,
.port_set_policy = mv88e6352_port_set_policy,
.port_set_frame_mode = mv88e6351_port_set_frame_mode,
.port_set_egress_floods = mv88e6352_port_set_egress_floods,
.port_set_ether_type = mv88e6351_port_set_ether_type,
@ -3915,6 +3923,7 @@ static const struct mv88e6xxx_ops mv88e6390x_ops = {
.port_set_speed = mv88e6390x_port_set_speed,
.port_max_speed_mode = mv88e6390x_port_max_speed_mode,
.port_tag_remap = mv88e6390_port_tag_remap,
.port_set_policy = mv88e6352_port_set_policy,
.port_set_frame_mode = mv88e6351_port_set_frame_mode,
.port_set_egress_floods = mv88e6352_port_set_egress_floods,
.port_set_ether_type = mv88e6351_port_set_ether_type,

22
drivers/net/dsa/mv88e6xxx/chip.h
View File

@ -189,6 +189,24 @@ struct mv88e6xxx_port_hwtstamp {
struct hwtstamp_config tstamp_config;
};
enum mv88e6xxx_policy_mapping {
MV88E6XXX_POLICY_MAPPING_DA,
MV88E6XXX_POLICY_MAPPING_SA,
MV88E6XXX_POLICY_MAPPING_VTU,
MV88E6XXX_POLICY_MAPPING_ETYPE,
MV88E6XXX_POLICY_MAPPING_PPPOE,
MV88E6XXX_POLICY_MAPPING_VBAS,
MV88E6XXX_POLICY_MAPPING_OPT82,
MV88E6XXX_POLICY_MAPPING_UDP,
};
enum mv88e6xxx_policy_action {
MV88E6XXX_POLICY_ACTION_NORMAL,
MV88E6XXX_POLICY_ACTION_MIRROR,
MV88E6XXX_POLICY_ACTION_TRAP,
MV88E6XXX_POLICY_ACTION_DISCARD,
};
struct mv88e6xxx_port {
struct mv88e6xxx_chip *chip;
int port;
@ -381,6 +399,10 @@ struct mv88e6xxx_ops {
int (*port_tag_remap)(struct mv88e6xxx_chip *chip, int port);
int (*port_set_policy)(struct mv88e6xxx_chip *chip, int port,
enum mv88e6xxx_policy_mapping mapping,
enum mv88e6xxx_policy_action action);
int (*port_set_frame_mode)(struct mv88e6xxx_chip *chip, int port,
enum mv88e6xxx_frame_mode mode);
int (*port_set_egress_floods)(struct mv88e6xxx_chip *chip, int port,

74
drivers/net/dsa/mv88e6xxx/port.c
View File

@ -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, &reg);
if (err)
return err;
reg &= ~mask;
reg |= (val << shift) & mask;
return mv88e6xxx_port_write(chip, port, MV88E6XXX_PORT_POLICY_CTL, reg);
}

17
drivers/net/dsa/mv88e6xxx/port.h
View File

@ -222,7 +222,19 @@
#define MV88E6XXX_PORT_PRI_OVERRIDE 0x0d
/* Offset 0x0E: Policy Control Register */
#define MV88E6XXX_PORT_POLICY_CTL 0x0e
#define MV88E6XXX_PORT_POLICY_CTL 0x0e
#define MV88E6XXX_PORT_POLICY_CTL_DA_MASK 0xc000
#define MV88E6XXX_PORT_POLICY_CTL_SA_MASK 0x3000
#define MV88E6XXX_PORT_POLICY_CTL_VTU_MASK 0x0c00
#define MV88E6XXX_PORT_POLICY_CTL_ETYPE_MASK 0x0300
#define MV88E6XXX_PORT_POLICY_CTL_PPPOE_MASK 0x00c0
#define MV88E6XXX_PORT_POLICY_CTL_VBAS_MASK 0x0030
#define MV88E6XXX_PORT_POLICY_CTL_OPT82_MASK 0x000c
#define MV88E6XXX_PORT_POLICY_CTL_UDP_MASK 0x0003
#define MV88E6XXX_PORT_POLICY_CTL_NORMAL 0x0000
#define MV88E6XXX_PORT_POLICY_CTL_MIRROR 0x0001
#define MV88E6XXX_PORT_POLICY_CTL_TRAP 0x0002
#define MV88E6XXX_PORT_POLICY_CTL_DISCARD 0x0003
/* Offset 0x0F: Port Special Ether Type */
#define MV88E6XXX_PORT_ETH_TYPE 0x0f
@ -324,6 +336,9 @@ int mv88e6185_port_set_egress_floods(struct mv88e6xxx_chip *chip, int port,
bool unicast, bool multicast);
int mv88e6352_port_set_egress_floods(struct mv88e6xxx_chip *chip, int port,
bool unicast, bool multicast);
int mv88e6352_port_set_policy(struct mv88e6xxx_chip *chip, int port,
enum mv88e6xxx_policy_mapping mapping,
enum mv88e6xxx_policy_action action);
int mv88e6351_port_set_ether_type(struct mv88e6xxx_chip *chip, int port,
u16 etype);
int mv88e6xxx_port_set_message_port(struct mv88e6xxx_chip *chip, int port,