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Date: Sat, 3 Dec 2016 04:45:18 +0100
From: Andrew Lunn <andrew@...n.ch>
To: David Miller <davem@...emloft.net>
Cc: Vivien Didelot <vivien.didelot@...oirfairelinux.com>,
netdev <netdev@...r.kernel.org>, Andrew Lunn <andrew@...n.ch>
Subject: [PATCH v1 net-next 3/5] net: dsa: mv88e6xxx: Refactor egress rate limiting
There are two different rate limiting configurations, depending on the
switch generation. Refactor this into ops.
Signed-off-by: Andrew Lunn <andrew@...n.ch>
---
drivers/net/dsa/mv88e6xxx/chip.c | 31 +++++++++++++++++++------------
drivers/net/dsa/mv88e6xxx/mv88e6xxx.h | 2 ++
drivers/net/dsa/mv88e6xxx/port.c | 12 ++++++++++++
drivers/net/dsa/mv88e6xxx/port.h | 2 ++
4 files changed, 35 insertions(+), 12 deletions(-)
diff --git a/drivers/net/dsa/mv88e6xxx/chip.c b/drivers/net/dsa/mv88e6xxx/chip.c
index db1542e05e62..1b0917e44809 100644
--- a/drivers/net/dsa/mv88e6xxx/chip.c
+++ b/drivers/net/dsa/mv88e6xxx/chip.c
@@ -2657,18 +2657,8 @@ static int mv88e6xxx_setup_port(struct mv88e6xxx_chip *chip, int port)
return err;
}
- /* Rate Control: disable ingress rate limiting. */
- if (mv88e6xxx_6352_family(chip) || mv88e6xxx_6351_family(chip) ||
- mv88e6xxx_6165_family(chip) || mv88e6xxx_6097_family(chip) ||
- mv88e6xxx_6320_family(chip)) {
- err = mv88e6xxx_port_write(chip, port, PORT_RATE_CONTROL,
- 0x0001);
- if (err)
- return err;
-
- } else if (mv88e6xxx_6185_family(chip) || mv88e6xxx_6095_family(chip)) {
- err = mv88e6xxx_port_write(chip, port, PORT_RATE_CONTROL,
- 0x0000);
+ if (chip->info->ops->port_egress_rate_limiting) {
+ err = chip->info->ops->port_egress_rate_limiting(chip, port);
if (err)
return err;
}
@@ -3229,6 +3219,7 @@ static const struct mv88e6xxx_ops mv88e6085_ops = {
.port_set_frame_mode = mv88e6351_port_set_frame_mode,
.port_set_egress_unknowns = mv88e6351_port_set_egress_unknowns,
.port_set_ether_type = mv88e6351_port_set_ether_type,
+ .port_egress_rate_limiting = mv88e6097_port_egress_rate_limiting,
.stats_snapshot = mv88e6xxx_g1_stats_snapshot,
.stats_get_sset_count = mv88e6095_stats_get_sset_count,
.stats_get_strings = mv88e6095_stats_get_strings,
@@ -3268,6 +3259,7 @@ static const struct mv88e6xxx_ops mv88e6097_ops = {
.port_set_egress_unknowns = mv88e6351_port_set_egress_unknowns,
.port_set_ether_type = mv88e6351_port_set_ether_type,
.port_jumbo_config = mv88e6165_port_jumbo_config,
+ .port_egress_rate_limiting = mv88e6095_port_egress_rate_limiting,
.stats_snapshot = mv88e6xxx_g1_stats_snapshot,
.stats_get_sset_count = mv88e6095_stats_get_sset_count,
.stats_get_strings = mv88e6095_stats_get_strings,
@@ -3309,6 +3301,7 @@ static const struct mv88e6xxx_ops mv88e6131_ops = {
.port_set_egress_unknowns = mv88e6351_port_set_egress_unknowns,
.port_set_ether_type = mv88e6351_port_set_ether_type,
.port_jumbo_config = mv88e6165_port_jumbo_config,
+ .port_egress_rate_limiting = mv88e6097_port_egress_rate_limiting,
.stats_snapshot = mv88e6xxx_g1_stats_snapshot,
.stats_get_sset_count = mv88e6095_stats_get_sset_count,
.stats_get_strings = mv88e6095_stats_get_strings,
@@ -3331,6 +3324,7 @@ static const struct mv88e6xxx_ops mv88e6161_ops = {
.port_set_egress_unknowns = mv88e6351_port_set_egress_unknowns,
.port_set_ether_type = mv88e6351_port_set_ether_type,
.port_jumbo_config = mv88e6165_port_jumbo_config,
+ .port_egress_rate_limiting = mv88e6097_port_egress_rate_limiting,
.stats_snapshot = mv88e6xxx_g1_stats_snapshot,
.stats_get_sset_count = mv88e6095_stats_get_sset_count,
.stats_get_strings = mv88e6095_stats_get_strings,
@@ -3371,6 +3365,7 @@ static const struct mv88e6xxx_ops mv88e6171_ops = {
.port_set_egress_unknowns = mv88e6351_port_set_egress_unknowns,
.port_set_ether_type = mv88e6351_port_set_ether_type,
.port_jumbo_config = mv88e6165_port_jumbo_config,
+ .port_egress_rate_limiting = mv88e6097_port_egress_rate_limiting,
.stats_snapshot = mv88e6320_g1_stats_snapshot,
.stats_get_sset_count = mv88e6095_stats_get_sset_count,
.stats_get_strings = mv88e6095_stats_get_strings,
@@ -3396,6 +3391,7 @@ static const struct mv88e6xxx_ops mv88e6172_ops = {
.port_set_egress_unknowns = mv88e6351_port_set_egress_unknowns,
.port_set_ether_type = mv88e6351_port_set_ether_type,
.port_jumbo_config = mv88e6165_port_jumbo_config,
+ .port_egress_rate_limiting = mv88e6097_port_egress_rate_limiting,
.stats_snapshot = mv88e6320_g1_stats_snapshot,
.stats_get_sset_count = mv88e6095_stats_get_sset_count,
.stats_get_strings = mv88e6095_stats_get_strings,
@@ -3419,6 +3415,7 @@ static const struct mv88e6xxx_ops mv88e6175_ops = {
.port_set_egress_unknowns = mv88e6351_port_set_egress_unknowns,
.port_set_ether_type = mv88e6351_port_set_ether_type,
.port_jumbo_config = mv88e6165_port_jumbo_config,
+ .port_egress_rate_limiting = mv88e6097_port_egress_rate_limiting,
.stats_snapshot = mv88e6320_g1_stats_snapshot,
.stats_get_sset_count = mv88e6095_stats_get_sset_count,
.stats_get_strings = mv88e6095_stats_get_strings,
@@ -3444,6 +3441,7 @@ static const struct mv88e6xxx_ops mv88e6176_ops = {
.port_set_egress_unknowns = mv88e6351_port_set_egress_unknowns,
.port_set_ether_type = mv88e6351_port_set_ether_type,
.port_jumbo_config = mv88e6165_port_jumbo_config,
+ .port_egress_rate_limiting = mv88e6097_port_egress_rate_limiting,
.stats_snapshot = mv88e6320_g1_stats_snapshot,
.stats_get_sset_count = mv88e6095_stats_get_sset_count,
.stats_get_strings = mv88e6095_stats_get_strings,
@@ -3463,6 +3461,7 @@ static const struct mv88e6xxx_ops mv88e6185_ops = {
.port_set_speed = mv88e6185_port_set_speed,
.port_set_frame_mode = mv88e6085_port_set_frame_mode,
.port_set_egress_unknowns = mv88e6085_port_set_egress_unknowns,
+ .port_egress_rate_limiting = mv88e6095_port_egress_rate_limiting,
.stats_snapshot = mv88e6xxx_g1_stats_snapshot,
.stats_get_sset_count = mv88e6095_stats_get_sset_count,
.stats_get_strings = mv88e6095_stats_get_strings,
@@ -3557,6 +3556,7 @@ static const struct mv88e6xxx_ops mv88e6240_ops = {
.port_set_egress_unknowns = mv88e6351_port_set_egress_unknowns,
.port_set_ether_type = mv88e6351_port_set_ether_type,
.port_jumbo_config = mv88e6165_port_jumbo_config,
+ .port_egress_rate_limiting = mv88e6097_port_egress_rate_limiting,
.stats_snapshot = mv88e6320_g1_stats_snapshot,
.stats_get_sset_count = mv88e6095_stats_get_sset_count,
.stats_get_strings = mv88e6095_stats_get_strings,
@@ -3604,6 +3604,7 @@ static const struct mv88e6xxx_ops mv88e6320_ops = {
.port_set_egress_unknowns = mv88e6351_port_set_egress_unknowns,
.port_set_ether_type = mv88e6351_port_set_ether_type,
.port_jumbo_config = mv88e6165_port_jumbo_config,
+ .port_egress_rate_limiting = mv88e6097_port_egress_rate_limiting,
.stats_snapshot = mv88e6320_g1_stats_snapshot,
.stats_get_sset_count = mv88e6320_stats_get_sset_count,
.stats_get_strings = mv88e6320_stats_get_strings,
@@ -3628,6 +3629,7 @@ static const struct mv88e6xxx_ops mv88e6321_ops = {
.port_set_egress_unknowns = mv88e6351_port_set_egress_unknowns,
.port_set_ether_type = mv88e6351_port_set_ether_type,
.port_jumbo_config = mv88e6165_port_jumbo_config,
+ .port_egress_rate_limiting = mv88e6097_port_egress_rate_limiting,
.stats_snapshot = mv88e6320_g1_stats_snapshot,
.stats_get_sset_count = mv88e6320_stats_get_sset_count,
.stats_get_strings = mv88e6320_stats_get_strings,
@@ -3650,6 +3652,7 @@ static const struct mv88e6xxx_ops mv88e6350_ops = {
.port_set_egress_unknowns = mv88e6351_port_set_egress_unknowns,
.port_set_ether_type = mv88e6351_port_set_ether_type,
.port_jumbo_config = mv88e6165_port_jumbo_config,
+ .port_egress_rate_limiting = mv88e6097_port_egress_rate_limiting,
.stats_snapshot = mv88e6320_g1_stats_snapshot,
.stats_get_sset_count = mv88e6095_stats_get_sset_count,
.stats_get_strings = mv88e6095_stats_get_strings,
@@ -3673,6 +3676,7 @@ static const struct mv88e6xxx_ops mv88e6351_ops = {
.port_set_egress_unknowns = mv88e6351_port_set_egress_unknowns,
.port_set_ether_type = mv88e6351_port_set_ether_type,
.port_jumbo_config = mv88e6165_port_jumbo_config,
+ .port_egress_rate_limiting = mv88e6097_port_egress_rate_limiting,
.stats_snapshot = mv88e6320_g1_stats_snapshot,
.stats_get_sset_count = mv88e6095_stats_get_sset_count,
.stats_get_strings = mv88e6095_stats_get_strings,
@@ -3698,6 +3702,7 @@ static const struct mv88e6xxx_ops mv88e6352_ops = {
.port_set_egress_unknowns = mv88e6351_port_set_egress_unknowns,
.port_set_ether_type = mv88e6351_port_set_ether_type,
.port_jumbo_config = mv88e6165_port_jumbo_config,
+ .port_egress_rate_limiting = mv88e6097_port_egress_rate_limiting,
.stats_snapshot = mv88e6320_g1_stats_snapshot,
.stats_get_sset_count = mv88e6095_stats_get_sset_count,
.stats_get_strings = mv88e6095_stats_get_strings,
@@ -3721,6 +3726,7 @@ static const struct mv88e6xxx_ops mv88e6390_ops = {
.port_set_egress_unknowns = mv88e6351_port_set_egress_unknowns,
.port_set_ether_type = mv88e6351_port_set_ether_type,
.port_jumbo_config = mv88e6165_port_jumbo_config,
+ .port_egress_rate_limiting = mv88e6097_port_egress_rate_limiting,
.stats_snapshot = mv88e6390_g1_stats_snapshot,
.stats_set_histogram = mv88e6390_g1_stats_set_histogram,
.stats_get_sset_count = mv88e6320_stats_get_sset_count,
@@ -3745,6 +3751,7 @@ static const struct mv88e6xxx_ops mv88e6390x_ops = {
.port_set_egress_unknowns = mv88e6351_port_set_egress_unknowns,
.port_set_ether_type = mv88e6351_port_set_ether_type,
.port_jumbo_config = mv88e6165_port_jumbo_config,
+ .port_egress_rate_limiting = mv88e6097_port_egress_rate_limiting,
.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 d4f18b8209ec..65aa564daf82 100644
--- a/drivers/net/dsa/mv88e6xxx/mv88e6xxx.h
+++ b/drivers/net/dsa/mv88e6xxx/mv88e6xxx.h
@@ -835,6 +835,8 @@ struct mv88e6xxx_ops {
u16 etype);
int (*port_jumbo_config)(struct mv88e6xxx_chip *chip, int port);
+ int (*port_egress_rate_limiting)(struct mv88e6xxx_chip *chip, int port);
+
/* Snapshot the statistics for a port. The statistics can then
* be read back a leisure but still with a consistent view.
*/
diff --git a/drivers/net/dsa/mv88e6xxx/port.c b/drivers/net/dsa/mv88e6xxx/port.c
index a739129ce5e5..d22c7b0e0f76 100644
--- a/drivers/net/dsa/mv88e6xxx/port.c
+++ b/drivers/net/dsa/mv88e6xxx/port.c
@@ -621,6 +621,18 @@ int mv88e6165_port_jumbo_config(struct mv88e6xxx_chip *chip, int port)
return mv88e6xxx_port_write(chip, port, PORT_CONTROL_2, reg);
}
+/* Offset 0x09: Port Rate Control */
+
+int mv88e6095_port_egress_rate_limiting(struct mv88e6xxx_chip *chip, int port)
+{
+ return mv88e6xxx_port_write(chip, port, PORT_RATE_CONTROL, 0x0000);
+}
+
+int mv88e6097_port_egress_rate_limiting(struct mv88e6xxx_chip *chip, int port)
+{
+ return mv88e6xxx_port_write(chip, port, PORT_RATE_CONTROL, 0x0001);
+}
+
/* 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 9e25735c287e..9bad597280d6 100644
--- a/drivers/net/dsa/mv88e6xxx/port.h
+++ b/drivers/net/dsa/mv88e6xxx/port.h
@@ -63,5 +63,7 @@ int mv88e6351_port_set_egress_unknowns(struct mv88e6xxx_chip *chip, int port,
int mv88e6351_port_set_ether_type(struct mv88e6xxx_chip *chip, int port,
u16 etype);
int mv88e6165_port_jumbo_config(struct mv88e6xxx_chip *chip, int port);
+int mv88e6095_port_egress_rate_limiting(struct mv88e6xxx_chip *chip, int port);
+int mv88e6097_port_egress_rate_limiting(struct mv88e6xxx_chip *chip, int port);
#endif /* _MV88E6XXX_PORT_H */
--
2.10.2
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