[PATCH net-next v2 15/17] net: dsa: mv88e6xxx: add port ATU learn limit op

From: Vivien Didelot
Date: Sat Mar 11 2017 - 16:16:00 EST

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Add a new operation to disable the limiting of learnt MAC addresses.

Setting such limit is not likely to be used soon, so provide a
port_disable_learn_limit operation directly. This can be changed later
for port_set_learn_limit when we'll need it.

Signed-off-by: Vivien Didelot <vivien.didelot@xxxxxxxxxxxxxxxxxxxx>
Reviewed-by: Andrew Lunn <andrew@xxxxxxx>
---
drivers/net/dsa/mv88e6xxx/chip.c | 36 +++++++++++++++++++++++++++++------
drivers/net/dsa/mv88e6xxx/mv88e6xxx.h | 1 +
drivers/net/dsa/mv88e6xxx/port.c | 7 +++++++
drivers/net/dsa/mv88e6xxx/port.h | 3 +++
4 files changed, 41 insertions(+), 6 deletions(-)

diff --git a/drivers/net/dsa/mv88e6xxx/chip.c b/drivers/net/dsa/mv88e6xxx/chip.c
index 0844df1b25e9..06fe86309e27 100644
--- a/drivers/net/dsa/mv88e6xxx/chip.c
+++ b/drivers/net/dsa/mv88e6xxx/chip.c
@@ -2401,15 +2401,15 @@ static int mv88e6xxx_setup_port(struct mv88e6xxx_chip *chip, int port)
return err;
}

+ if (chip->info->ops->port_disable_learn_limit) {
+ err = chip->info->ops->port_disable_learn_limit(chip, port);
+ if (err)
+ return err;
+ }
+
if (mv88e6xxx_6352_family(chip) || mv88e6xxx_6351_family(chip) ||
mv88e6xxx_6165_family(chip) || mv88e6xxx_6097_family(chip) ||
mv88e6xxx_6320_family(chip) || mv88e6xxx_6341_family(chip)) {
- /* Port ATU control: disable limiting the number of
- * address database entries that this port is allowed
- * to use.
- */
- err = mv88e6xxx_port_write(chip, port, PORT_ATU_CONTROL,
- 0x0000);
/* Priority Override: disable DA, SA and VTU priority
* override.
*/
@@ -2839,6 +2839,7 @@ static const struct mv88e6xxx_ops mv88e6085_ops = {
.port_set_ether_type = mv88e6351_port_set_ether_type,
.port_egress_rate_limiting = mv88e6097_port_egress_rate_limiting,
.port_pause_config = mv88e6097_port_pause_config,
+ .port_disable_learn_limit = mv88e6xxx_port_disable_learn_limit,
.stats_snapshot = mv88e6xxx_g1_stats_snapshot,
.stats_get_sset_count = mv88e6095_stats_get_sset_count,
.stats_get_strings = mv88e6095_stats_get_strings,
@@ -2888,6 +2889,7 @@ static const struct mv88e6xxx_ops mv88e6097_ops = {
.port_jumbo_config = mv88e6165_port_jumbo_config,
.port_egress_rate_limiting = mv88e6095_port_egress_rate_limiting,
.port_pause_config = mv88e6097_port_pause_config,
+ .port_disable_learn_limit = mv88e6xxx_port_disable_learn_limit,
.stats_snapshot = mv88e6xxx_g1_stats_snapshot,
.stats_get_sset_count = mv88e6095_stats_get_sset_count,
.stats_get_strings = mv88e6095_stats_get_strings,
@@ -2909,6 +2911,7 @@ static const struct mv88e6xxx_ops mv88e6123_ops = {
.port_set_speed = mv88e6185_port_set_speed,
.port_set_frame_mode = mv88e6085_port_set_frame_mode,
.port_set_egress_floods = mv88e6352_port_set_egress_floods,
+ .port_disable_learn_limit = mv88e6xxx_port_disable_learn_limit,
.stats_snapshot = mv88e6xxx_g1_stats_snapshot,
.stats_get_sset_count = mv88e6095_stats_get_sset_count,
.stats_get_strings = mv88e6095_stats_get_strings,
@@ -2964,6 +2967,7 @@ static const struct mv88e6xxx_ops mv88e6161_ops = {
.port_jumbo_config = mv88e6165_port_jumbo_config,
.port_egress_rate_limiting = mv88e6097_port_egress_rate_limiting,
.port_pause_config = mv88e6097_port_pause_config,
+ .port_disable_learn_limit = mv88e6xxx_port_disable_learn_limit,
.stats_snapshot = mv88e6xxx_g1_stats_snapshot,
.stats_get_sset_count = mv88e6095_stats_get_sset_count,
.stats_get_strings = mv88e6095_stats_get_strings,
@@ -2983,6 +2987,7 @@ static const struct mv88e6xxx_ops mv88e6165_ops = {
.port_set_link = mv88e6xxx_port_set_link,
.port_set_duplex = mv88e6xxx_port_set_duplex,
.port_set_speed = mv88e6185_port_set_speed,
+ .port_disable_learn_limit = mv88e6xxx_port_disable_learn_limit,
.stats_snapshot = mv88e6xxx_g1_stats_snapshot,
.stats_get_sset_count = mv88e6095_stats_get_sset_count,
.stats_get_strings = mv88e6095_stats_get_strings,
@@ -3010,6 +3015,7 @@ static const struct mv88e6xxx_ops mv88e6171_ops = {
.port_jumbo_config = mv88e6165_port_jumbo_config,
.port_egress_rate_limiting = mv88e6097_port_egress_rate_limiting,
.port_pause_config = mv88e6097_port_pause_config,
+ .port_disable_learn_limit = mv88e6xxx_port_disable_learn_limit,
.stats_snapshot = mv88e6320_g1_stats_snapshot,
.stats_get_sset_count = mv88e6095_stats_get_sset_count,
.stats_get_strings = mv88e6095_stats_get_strings,
@@ -3039,6 +3045,7 @@ static const struct mv88e6xxx_ops mv88e6172_ops = {
.port_jumbo_config = mv88e6165_port_jumbo_config,
.port_egress_rate_limiting = mv88e6097_port_egress_rate_limiting,
.port_pause_config = mv88e6097_port_pause_config,
+ .port_disable_learn_limit = mv88e6xxx_port_disable_learn_limit,
.stats_snapshot = mv88e6320_g1_stats_snapshot,
.stats_get_sset_count = mv88e6095_stats_get_sset_count,
.stats_get_strings = mv88e6095_stats_get_strings,
@@ -3066,6 +3073,7 @@ static const struct mv88e6xxx_ops mv88e6175_ops = {
.port_jumbo_config = mv88e6165_port_jumbo_config,
.port_egress_rate_limiting = mv88e6097_port_egress_rate_limiting,
.port_pause_config = mv88e6097_port_pause_config,
+ .port_disable_learn_limit = mv88e6xxx_port_disable_learn_limit,
.stats_snapshot = mv88e6320_g1_stats_snapshot,
.stats_get_sset_count = mv88e6095_stats_get_sset_count,
.stats_get_strings = mv88e6095_stats_get_strings,
@@ -3095,6 +3103,7 @@ static const struct mv88e6xxx_ops mv88e6176_ops = {
.port_jumbo_config = mv88e6165_port_jumbo_config,
.port_egress_rate_limiting = mv88e6097_port_egress_rate_limiting,
.port_pause_config = mv88e6097_port_pause_config,
+ .port_disable_learn_limit = mv88e6xxx_port_disable_learn_limit,
.stats_snapshot = mv88e6320_g1_stats_snapshot,
.stats_get_sset_count = mv88e6095_stats_get_sset_count,
.stats_get_strings = mv88e6095_stats_get_strings,
@@ -3147,6 +3156,7 @@ static const struct mv88e6xxx_ops mv88e6190_ops = {
.port_set_egress_floods = mv88e6352_port_set_egress_floods,
.port_set_ether_type = mv88e6351_port_set_ether_type,
.port_pause_config = mv88e6390_port_pause_config,
+ .port_disable_learn_limit = mv88e6xxx_port_disable_learn_limit,
.stats_snapshot = mv88e6390_g1_stats_snapshot,
.stats_set_histogram = mv88e6390_g1_stats_set_histogram,
.stats_get_sset_count = mv88e6320_stats_get_sset_count,
@@ -3175,6 +3185,7 @@ static const struct mv88e6xxx_ops mv88e6190x_ops = {
.port_set_egress_floods = mv88e6352_port_set_egress_floods,
.port_set_ether_type = mv88e6351_port_set_ether_type,
.port_pause_config = mv88e6390_port_pause_config,
+ .port_disable_learn_limit = mv88e6xxx_port_disable_learn_limit,
.stats_snapshot = mv88e6390_g1_stats_snapshot,
.stats_set_histogram = mv88e6390_g1_stats_set_histogram,
.stats_get_sset_count = mv88e6320_stats_get_sset_count,
@@ -3203,6 +3214,7 @@ static const struct mv88e6xxx_ops mv88e6191_ops = {
.port_set_egress_floods = mv88e6352_port_set_egress_floods,
.port_set_ether_type = mv88e6351_port_set_ether_type,
.port_pause_config = mv88e6390_port_pause_config,
+ .port_disable_learn_limit = mv88e6xxx_port_disable_learn_limit,
.stats_snapshot = mv88e6390_g1_stats_snapshot,
.stats_set_histogram = mv88e6390_g1_stats_set_histogram,
.stats_get_sset_count = mv88e6320_stats_get_sset_count,
@@ -3233,6 +3245,7 @@ static const struct mv88e6xxx_ops mv88e6240_ops = {
.port_jumbo_config = mv88e6165_port_jumbo_config,
.port_egress_rate_limiting = mv88e6097_port_egress_rate_limiting,
.port_pause_config = mv88e6097_port_pause_config,
+ .port_disable_learn_limit = mv88e6xxx_port_disable_learn_limit,
.stats_snapshot = mv88e6320_g1_stats_snapshot,
.stats_get_sset_count = mv88e6095_stats_get_sset_count,
.stats_get_strings = mv88e6095_stats_get_strings,
@@ -3261,6 +3274,7 @@ static const struct mv88e6xxx_ops mv88e6290_ops = {
.port_set_ether_type = mv88e6351_port_set_ether_type,
.port_pause_config = mv88e6390_port_pause_config,
.port_set_cmode = mv88e6390x_port_set_cmode,
+ .port_disable_learn_limit = mv88e6xxx_port_disable_learn_limit,
.stats_snapshot = mv88e6390_g1_stats_snapshot,
.stats_set_histogram = mv88e6390_g1_stats_set_histogram,
.stats_get_sset_count = mv88e6320_stats_get_sset_count,
@@ -3290,6 +3304,7 @@ static const struct mv88e6xxx_ops mv88e6320_ops = {
.port_jumbo_config = mv88e6165_port_jumbo_config,
.port_egress_rate_limiting = mv88e6097_port_egress_rate_limiting,
.port_pause_config = mv88e6097_port_pause_config,
+ .port_disable_learn_limit = mv88e6xxx_port_disable_learn_limit,
.stats_snapshot = mv88e6320_g1_stats_snapshot,
.stats_get_sset_count = mv88e6320_stats_get_sset_count,
.stats_get_strings = mv88e6320_stats_get_strings,
@@ -3317,6 +3332,7 @@ static const struct mv88e6xxx_ops mv88e6321_ops = {
.port_jumbo_config = mv88e6165_port_jumbo_config,
.port_egress_rate_limiting = mv88e6097_port_egress_rate_limiting,
.port_pause_config = mv88e6097_port_pause_config,
+ .port_disable_learn_limit = mv88e6xxx_port_disable_learn_limit,
.stats_snapshot = mv88e6320_g1_stats_snapshot,
.stats_get_sset_count = mv88e6320_stats_get_sset_count,
.stats_get_strings = mv88e6320_stats_get_strings,
@@ -3342,6 +3358,7 @@ static const struct mv88e6xxx_ops mv88e6350_ops = {
.port_jumbo_config = mv88e6165_port_jumbo_config,
.port_egress_rate_limiting = mv88e6097_port_egress_rate_limiting,
.port_pause_config = mv88e6097_port_pause_config,
+ .port_disable_learn_limit = mv88e6xxx_port_disable_learn_limit,
.stats_snapshot = mv88e6320_g1_stats_snapshot,
.stats_get_sset_count = mv88e6095_stats_get_sset_count,
.stats_get_strings = mv88e6095_stats_get_strings,
@@ -3369,6 +3386,7 @@ static const struct mv88e6xxx_ops mv88e6351_ops = {
.port_jumbo_config = mv88e6165_port_jumbo_config,
.port_egress_rate_limiting = mv88e6097_port_egress_rate_limiting,
.port_pause_config = mv88e6097_port_pause_config,
+ .port_disable_learn_limit = mv88e6xxx_port_disable_learn_limit,
.stats_snapshot = mv88e6320_g1_stats_snapshot,
.stats_get_sset_count = mv88e6095_stats_get_sset_count,
.stats_get_strings = mv88e6095_stats_get_strings,
@@ -3398,6 +3416,7 @@ static const struct mv88e6xxx_ops mv88e6352_ops = {
.port_jumbo_config = mv88e6165_port_jumbo_config,
.port_egress_rate_limiting = mv88e6097_port_egress_rate_limiting,
.port_pause_config = mv88e6097_port_pause_config,
+ .port_disable_learn_limit = mv88e6xxx_port_disable_learn_limit,
.stats_snapshot = mv88e6320_g1_stats_snapshot,
.stats_get_sset_count = mv88e6095_stats_get_sset_count,
.stats_get_strings = mv88e6095_stats_get_strings,
@@ -3427,6 +3446,7 @@ static const struct mv88e6xxx_ops mv88e6141_ops = {
.port_jumbo_config = mv88e6165_port_jumbo_config,
.port_egress_rate_limiting = mv88e6097_port_egress_rate_limiting,
.port_pause_config = mv88e6097_port_pause_config,
+ .port_disable_learn_limit = mv88e6xxx_port_disable_learn_limit,
.stats_snapshot = mv88e6390_g1_stats_snapshot,
.stats_get_sset_count = mv88e6320_stats_get_sset_count,
.stats_get_strings = mv88e6320_stats_get_strings,
@@ -3456,6 +3476,7 @@ static const struct mv88e6xxx_ops mv88e6341_ops = {
.port_jumbo_config = mv88e6165_port_jumbo_config,
.port_egress_rate_limiting = mv88e6097_port_egress_rate_limiting,
.port_pause_config = mv88e6097_port_pause_config,
+ .port_disable_learn_limit = mv88e6xxx_port_disable_learn_limit,
.stats_snapshot = mv88e6390_g1_stats_snapshot,
.stats_get_sset_count = mv88e6320_stats_get_sset_count,
.stats_get_strings = mv88e6320_stats_get_strings,
@@ -3486,6 +3507,7 @@ static const struct mv88e6xxx_ops mv88e6390_ops = {
.port_egress_rate_limiting = mv88e6097_port_egress_rate_limiting,
.port_pause_config = mv88e6390_port_pause_config,
.port_set_cmode = mv88e6390x_port_set_cmode,
+ .port_disable_learn_limit = mv88e6xxx_port_disable_learn_limit,
.stats_snapshot = mv88e6390_g1_stats_snapshot,
.stats_set_histogram = mv88e6390_g1_stats_set_histogram,
.stats_get_sset_count = mv88e6320_stats_get_sset_count,
@@ -3516,6 +3538,7 @@ static const struct mv88e6xxx_ops mv88e6390x_ops = {
.port_jumbo_config = mv88e6165_port_jumbo_config,
.port_egress_rate_limiting = mv88e6097_port_egress_rate_limiting,
.port_pause_config = mv88e6390_port_pause_config,
+ .port_disable_learn_limit = mv88e6xxx_port_disable_learn_limit,
.stats_snapshot = mv88e6390_g1_stats_snapshot,
.stats_set_histogram = mv88e6390_g1_stats_set_histogram,
.stats_get_sset_count = mv88e6320_stats_get_sset_count,
@@ -3544,6 +3567,7 @@ static const struct mv88e6xxx_ops mv88e6391_ops = {
.port_set_egress_floods = mv88e6352_port_set_egress_floods,
.port_set_ether_type = mv88e6351_port_set_ether_type,
.port_pause_config = mv88e6390_port_pause_config,
+ .port_disable_learn_limit = mv88e6xxx_port_disable_learn_limit,
.stats_snapshot = mv88e6390_g1_stats_snapshot,
.stats_set_histogram = mv88e6390_g1_stats_set_histogram,
.stats_get_sset_count = mv88e6320_stats_get_sset_count,
diff --git a/drivers/net/dsa/mv88e6xxx/mv88e6xxx.h b/drivers/net/dsa/mv88e6xxx/mv88e6xxx.h
index bde7c775d559..a2a0006d8c98 100644
--- a/drivers/net/dsa/mv88e6xxx/mv88e6xxx.h
+++ b/drivers/net/dsa/mv88e6xxx/mv88e6xxx.h
@@ -871,6 +871,7 @@ struct mv88e6xxx_ops {

int (*port_egress_rate_limiting)(struct mv88e6xxx_chip *chip, int port);
int (*port_pause_config)(struct mv88e6xxx_chip *chip, int port);
+ int (*port_disable_learn_limit)(struct mv88e6xxx_chip *chip, int port);

/* CMODE control what PHY mode the MAC will use, eg. SGMII, RGMII, etc.
* Some chips allow this to be configured on specific ports.
diff --git a/drivers/net/dsa/mv88e6xxx/port.c b/drivers/net/dsa/mv88e6xxx/port.c
index c918292217ff..8152fc96fa67 100644
--- a/drivers/net/dsa/mv88e6xxx/port.c
+++ b/drivers/net/dsa/mv88e6xxx/port.c
@@ -805,6 +805,13 @@ int mv88e6097_port_egress_rate_limiting(struct mv88e6xxx_chip *chip, int port)
return mv88e6xxx_port_write(chip, port, PORT_RATE_CONTROL, 0x0001);
}

+/* Offset 0x0C: Port ATU Control */
+
+int mv88e6xxx_port_disable_learn_limit(struct mv88e6xxx_chip *chip, int port)
+{
+ return mv88e6xxx_port_write(chip, port, PORT_ATU_CONTROL, 0);
+}
+
/* Offset 0x0f: Port Ether type */

int mv88e6351_port_set_ether_type(struct mv88e6xxx_chip *chip, int port,
diff --git a/drivers/net/dsa/mv88e6xxx/port.h b/drivers/net/dsa/mv88e6xxx/port.h
index 35d28d05c009..e9eccbf277b8 100644
--- a/drivers/net/dsa/mv88e6xxx/port.h
+++ b/drivers/net/dsa/mv88e6xxx/port.h
@@ -75,4 +75,7 @@ int mv88e6xxx_port_get_cmode(struct mv88e6xxx_chip *chip, int port, u8 *cmode);
int mv88e6xxx_port_set_map_da(struct mv88e6xxx_chip *chip, int port);
int mv88e6095_port_set_upstream_port(struct mv88e6xxx_chip *chip, int port,
int upstream_port);
+
+int mv88e6xxx_port_disable_learn_limit(struct mv88e6xxx_chip *chip, int port);
+
#endif /* _MV88E6XXX_PORT_H */
--
2.12.0

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