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Message-Id: <1480736720-12608-6-git-send-email-andrew@lunn.ch>
Date: Sat, 3 Dec 2016 04:45:20 +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 5/5] net: dsa: mv88e6xxx: Implement mv88e6390 pause control
The mv88e6390 has a number flow control registers accessed via the
Flow Control register. Use these to set the pause control.
Signed-off-by: Andrew Lunn <andrew@...n.ch>
---
drivers/net/dsa/mv88e6xxx/chip.c | 7 +++++++
drivers/net/dsa/mv88e6xxx/mv88e6xxx.h | 2 ++
drivers/net/dsa/mv88e6xxx/port.c | 13 +++++++++++++
drivers/net/dsa/mv88e6xxx/port.h | 1 +
4 files changed, 23 insertions(+)
diff --git a/drivers/net/dsa/mv88e6xxx/chip.c b/drivers/net/dsa/mv88e6xxx/chip.c
index 3ddb1f79e709..ca453f3243cd 100644
--- a/drivers/net/dsa/mv88e6xxx/chip.c
+++ b/drivers/net/dsa/mv88e6xxx/chip.c
@@ -3490,6 +3490,7 @@ static const struct mv88e6xxx_ops mv88e6190_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_pause_config = mv88e6390_port_pause_config,
.stats_snapshot = mv88e6390_g1_stats_snapshot,
.stats_set_histogram = mv88e6390_g1_stats_set_histogram,
.stats_get_sset_count = mv88e6320_stats_get_sset_count,
@@ -3513,6 +3514,7 @@ static const struct mv88e6xxx_ops mv88e6190x_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_pause_config = mv88e6390_port_pause_config,
.stats_snapshot = mv88e6390_g1_stats_snapshot,
.stats_set_histogram = mv88e6390_g1_stats_set_histogram,
.stats_get_sset_count = mv88e6320_stats_get_sset_count,
@@ -3536,6 +3538,7 @@ static const struct mv88e6xxx_ops mv88e6191_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_pause_config = mv88e6390_port_pause_config,
.stats_snapshot = mv88e6390_g1_stats_snapshot,
.stats_set_histogram = mv88e6390_g1_stats_set_histogram,
.stats_get_sset_count = mv88e6320_stats_get_sset_count,
@@ -3586,6 +3589,7 @@ static const struct mv88e6xxx_ops mv88e6290_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_pause_config = mv88e6390_port_pause_config,
.stats_snapshot = mv88e6390_g1_stats_snapshot,
.stats_set_histogram = mv88e6390_g1_stats_set_histogram,
.stats_get_sset_count = mv88e6320_stats_get_sset_count,
@@ -3739,6 +3743,7 @@ static const struct mv88e6xxx_ops mv88e6390_ops = {
.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,
+ .port_pause_config = mv88e6390_port_pause_config,
.stats_snapshot = mv88e6390_g1_stats_snapshot,
.stats_set_histogram = mv88e6390_g1_stats_set_histogram,
.stats_get_sset_count = mv88e6320_stats_get_sset_count,
@@ -3764,6 +3769,7 @@ static const struct mv88e6xxx_ops mv88e6390x_ops = {
.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,
+ .port_pause_config = mv88e6390_port_pause_config,
.stats_snapshot = mv88e6390_g1_stats_snapshot,
.stats_set_histogram = mv88e6390_g1_stats_set_histogram,
.stats_get_sset_count = mv88e6320_stats_get_sset_count,
@@ -3787,6 +3793,7 @@ static const struct mv88e6xxx_ops mv88e6391_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_pause_config = mv88e6390_port_pause_config,
.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 3b1f3ab490b9..13c7cc443454 100644
--- a/drivers/net/dsa/mv88e6xxx/mv88e6xxx.h
+++ b/drivers/net/dsa/mv88e6xxx/mv88e6xxx.h
@@ -78,6 +78,8 @@
#define PORT_PCS_CTRL_SPEED_10000 (0x03) /* 6390X */
#define PORT_PCS_CTRL_SPEED_UNFORCED (0x03)
#define PORT_PAUSE_CTRL 0x02
+#define PORT_FLOW_CTRL_LIMIT_IN ((0x00 << 8) | BIT(15))
+#define PORT_FLOW_CTRL_LIMIT_OUT ((0x01 << 8) | BIT(15))
#define PORT_SWITCH_ID 0x03
#define PORT_SWITCH_ID_PROD_NUM_6085 0x04a
#define PORT_SWITCH_ID_PROD_NUM_6095 0x095
diff --git a/drivers/net/dsa/mv88e6xxx/port.c b/drivers/net/dsa/mv88e6xxx/port.c
index 8d14833b2e49..0db7fa0373ae 100644
--- a/drivers/net/dsa/mv88e6xxx/port.c
+++ b/drivers/net/dsa/mv88e6xxx/port.c
@@ -315,6 +315,19 @@ int mv88e6097_port_pause_config(struct mv88e6xxx_chip *chip, int port)
return mv88e6xxx_port_write(chip, port, PORT_PAUSE_CTRL, 0x0000);
}
+int mv88e6390_port_pause_config(struct mv88e6xxx_chip *chip, int port)
+{
+ int err;
+
+ err = mv88e6xxx_port_write(chip, port, PORT_PAUSE_CTRL,
+ PORT_FLOW_CTRL_LIMIT_IN | 0);
+ if (err)
+ return err;
+
+ return mv88e6xxx_port_write(chip, port, PORT_PAUSE_CTRL,
+ PORT_FLOW_CTRL_LIMIT_OUT | 0);
+}
+
/* Offset 0x04: Port Control Register */
static const char * const mv88e6xxx_port_state_names[] = {
diff --git a/drivers/net/dsa/mv88e6xxx/port.h b/drivers/net/dsa/mv88e6xxx/port.h
index 8c964cfd9032..7b3bacaacbfe 100644
--- a/drivers/net/dsa/mv88e6xxx/port.h
+++ b/drivers/net/dsa/mv88e6xxx/port.h
@@ -66,5 +66,6 @@ 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);
int mv88e6097_port_pause_config(struct mv88e6xxx_chip *chip, int port);
+int mv88e6390_port_pause_config(struct mv88e6xxx_chip *chip, int port);
#endif /* _MV88E6XXX_PORT_H */
--
2.10.2
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