From 0898432cc296cc27cee6647f6748f2add37e09b6 Mon Sep 17 00:00:00 2001 From: Vivien Didelot Date: Thu, 8 Jun 2017 18:34:12 -0400 Subject: [PATCH] net: dsa: mv88e6xxx: rework pause limit operation All Marvell chips supporting Pause frames limiting use 1-byte value for input and output. Old chips have both bytes adjacent in a 16-bit register. New ones have an indirect table using 8-bit data. The mv88e6xxx library functions (such as in port.c) must not contain driver logic, but only generic helpers. This patch changes the port_pause_config operation for port_pause_limit taking two u8 arguments for input and output limits. There is no functional changes. Reviewed-by: Andrew Lunn Signed-off-by: Vivien Didelot Signed-off-by: David S. Miller --- drivers/net/dsa/mv88e6xxx/chip.c | 48 ++++++++++++++++---------------- drivers/net/dsa/mv88e6xxx/chip.h | 3 +- drivers/net/dsa/mv88e6xxx/port.c | 12 ++++---- drivers/net/dsa/mv88e6xxx/port.h | 6 ++-- 4 files changed, 37 insertions(+), 32 deletions(-) diff --git a/drivers/net/dsa/mv88e6xxx/chip.c b/drivers/net/dsa/mv88e6xxx/chip.c index f33b83bf3ee8..a0f450cb45fb 100644 --- a/drivers/net/dsa/mv88e6xxx/chip.c +++ b/drivers/net/dsa/mv88e6xxx/chip.c @@ -1901,8 +1901,8 @@ static int mv88e6xxx_setup_port(struct mv88e6xxx_chip *chip, int port) if (err) return err; - if (chip->info->ops->port_pause_config) { - err = chip->info->ops->port_pause_config(chip, port); + if (chip->info->ops->port_pause_limit) { + err = chip->info->ops->port_pause_limit(chip, port, 0, 0); if (err) return err; } @@ -2362,7 +2362,7 @@ static const struct mv88e6xxx_ops mv88e6085_ops = { .port_set_egress_floods = mv88e6352_port_set_egress_floods, .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_pause_limit = mv88e6097_port_pause_limit, .port_disable_learn_limit = mv88e6xxx_port_disable_learn_limit, .port_disable_pri_override = mv88e6xxx_port_disable_pri_override, .stats_snapshot = mv88e6xxx_g1_stats_snapshot, @@ -2417,7 +2417,7 @@ static const struct mv88e6xxx_ops mv88e6097_ops = { .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, - .port_pause_config = mv88e6097_port_pause_config, + .port_pause_limit = mv88e6097_port_pause_limit, .port_disable_learn_limit = mv88e6xxx_port_disable_learn_limit, .port_disable_pri_override = mv88e6xxx_port_disable_pri_override, .stats_snapshot = mv88e6xxx_g1_stats_snapshot, @@ -2473,7 +2473,7 @@ static const struct mv88e6xxx_ops mv88e6131_ops = { .port_set_upstream_port = mv88e6095_port_set_upstream_port, .port_jumbo_config = mv88e6165_port_jumbo_config, .port_egress_rate_limiting = mv88e6097_port_egress_rate_limiting, - .port_pause_config = mv88e6097_port_pause_config, + .port_pause_limit = mv88e6097_port_pause_limit, .stats_snapshot = mv88e6xxx_g1_stats_snapshot, .stats_get_sset_count = mv88e6095_stats_get_sset_count, .stats_get_strings = mv88e6095_stats_get_strings, @@ -2506,7 +2506,7 @@ static const struct mv88e6xxx_ops mv88e6141_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 = mv88e6097_port_pause_config, + .port_pause_limit = mv88e6097_port_pause_limit, .port_disable_learn_limit = mv88e6xxx_port_disable_learn_limit, .port_disable_pri_override = mv88e6xxx_port_disable_pri_override, .stats_snapshot = mv88e6390_g1_stats_snapshot, @@ -2536,7 +2536,7 @@ static const struct mv88e6xxx_ops mv88e6161_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 = mv88e6097_port_pause_config, + .port_pause_limit = mv88e6097_port_pause_limit, .port_disable_learn_limit = mv88e6xxx_port_disable_learn_limit, .port_disable_pri_override = mv88e6xxx_port_disable_pri_override, .stats_snapshot = mv88e6320_g1_stats_snapshot, @@ -2590,7 +2590,7 @@ static const struct mv88e6xxx_ops mv88e6171_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 = mv88e6097_port_pause_config, + .port_pause_limit = mv88e6097_port_pause_limit, .port_disable_learn_limit = mv88e6xxx_port_disable_learn_limit, .port_disable_pri_override = mv88e6xxx_port_disable_pri_override, .stats_snapshot = mv88e6320_g1_stats_snapshot, @@ -2623,7 +2623,7 @@ static const struct mv88e6xxx_ops mv88e6172_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 = mv88e6097_port_pause_config, + .port_pause_limit = mv88e6097_port_pause_limit, .port_disable_learn_limit = mv88e6xxx_port_disable_learn_limit, .port_disable_pri_override = mv88e6xxx_port_disable_pri_override, .stats_snapshot = mv88e6320_g1_stats_snapshot, @@ -2655,7 +2655,7 @@ static const struct mv88e6xxx_ops mv88e6175_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 = mv88e6097_port_pause_config, + .port_pause_limit = mv88e6097_port_pause_limit, .port_disable_learn_limit = mv88e6xxx_port_disable_learn_limit, .port_disable_pri_override = mv88e6xxx_port_disable_pri_override, .stats_snapshot = mv88e6320_g1_stats_snapshot, @@ -2688,7 +2688,7 @@ static const struct mv88e6xxx_ops mv88e6176_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 = mv88e6097_port_pause_config, + .port_pause_limit = mv88e6097_port_pause_limit, .port_disable_learn_limit = mv88e6xxx_port_disable_learn_limit, .port_disable_pri_override = mv88e6xxx_port_disable_pri_override, .stats_snapshot = mv88e6320_g1_stats_snapshot, @@ -2747,7 +2747,7 @@ static const struct mv88e6xxx_ops mv88e6190_ops = { .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, - .port_pause_config = mv88e6390_port_pause_config, + .port_pause_limit = mv88e6390_port_pause_limit, .port_disable_learn_limit = mv88e6xxx_port_disable_learn_limit, .port_disable_pri_override = mv88e6xxx_port_disable_pri_override, .stats_snapshot = mv88e6390_g1_stats_snapshot, @@ -2780,7 +2780,7 @@ static const struct mv88e6xxx_ops mv88e6190x_ops = { .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, - .port_pause_config = mv88e6390_port_pause_config, + .port_pause_limit = mv88e6390_port_pause_limit, .port_disable_learn_limit = mv88e6xxx_port_disable_learn_limit, .port_disable_pri_override = mv88e6xxx_port_disable_pri_override, .stats_snapshot = mv88e6390_g1_stats_snapshot, @@ -2813,7 +2813,7 @@ static const struct mv88e6xxx_ops mv88e6191_ops = { .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, - .port_pause_config = mv88e6390_port_pause_config, + .port_pause_limit = mv88e6390_port_pause_limit, .port_disable_learn_limit = mv88e6xxx_port_disable_learn_limit, .port_disable_pri_override = mv88e6xxx_port_disable_pri_override, .stats_snapshot = mv88e6390_g1_stats_snapshot, @@ -2848,7 +2848,7 @@ static const struct mv88e6xxx_ops mv88e6240_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 = mv88e6097_port_pause_config, + .port_pause_limit = mv88e6097_port_pause_limit, .port_disable_learn_limit = mv88e6xxx_port_disable_learn_limit, .port_disable_pri_override = mv88e6xxx_port_disable_pri_override, .stats_snapshot = mv88e6320_g1_stats_snapshot, @@ -2880,7 +2880,7 @@ static const struct mv88e6xxx_ops mv88e6290_ops = { .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, - .port_pause_config = mv88e6390_port_pause_config, + .port_pause_limit = mv88e6390_port_pause_limit, .port_set_cmode = mv88e6390x_port_set_cmode, .port_disable_learn_limit = mv88e6xxx_port_disable_learn_limit, .port_disable_pri_override = mv88e6xxx_port_disable_pri_override, @@ -2915,7 +2915,7 @@ static const struct mv88e6xxx_ops mv88e6320_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 = mv88e6097_port_pause_config, + .port_pause_limit = mv88e6097_port_pause_limit, .port_disable_learn_limit = mv88e6xxx_port_disable_learn_limit, .port_disable_pri_override = mv88e6xxx_port_disable_pri_override, .stats_snapshot = mv88e6320_g1_stats_snapshot, @@ -2946,7 +2946,7 @@ static const struct mv88e6xxx_ops mv88e6321_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 = mv88e6097_port_pause_config, + .port_pause_limit = mv88e6097_port_pause_limit, .port_disable_learn_limit = mv88e6xxx_port_disable_learn_limit, .port_disable_pri_override = mv88e6xxx_port_disable_pri_override, .stats_snapshot = mv88e6320_g1_stats_snapshot, @@ -2977,7 +2977,7 @@ static const struct mv88e6xxx_ops mv88e6341_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 = mv88e6097_port_pause_config, + .port_pause_limit = mv88e6097_port_pause_limit, .port_disable_learn_limit = mv88e6xxx_port_disable_learn_limit, .port_disable_pri_override = mv88e6xxx_port_disable_pri_override, .stats_snapshot = mv88e6390_g1_stats_snapshot, @@ -3008,7 +3008,7 @@ static const struct mv88e6xxx_ops mv88e6350_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 = mv88e6097_port_pause_config, + .port_pause_limit = mv88e6097_port_pause_limit, .port_disable_learn_limit = mv88e6xxx_port_disable_learn_limit, .port_disable_pri_override = mv88e6xxx_port_disable_pri_override, .stats_snapshot = mv88e6320_g1_stats_snapshot, @@ -3039,7 +3039,7 @@ static const struct mv88e6xxx_ops mv88e6351_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 = mv88e6097_port_pause_config, + .port_pause_limit = mv88e6097_port_pause_limit, .port_disable_learn_limit = mv88e6xxx_port_disable_learn_limit, .port_disable_pri_override = mv88e6xxx_port_disable_pri_override, .stats_snapshot = mv88e6320_g1_stats_snapshot, @@ -3072,7 +3072,7 @@ static const struct mv88e6xxx_ops mv88e6352_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 = mv88e6097_port_pause_config, + .port_pause_limit = mv88e6097_port_pause_limit, .port_disable_learn_limit = mv88e6xxx_port_disable_learn_limit, .port_disable_pri_override = mv88e6xxx_port_disable_pri_override, .stats_snapshot = mv88e6320_g1_stats_snapshot, @@ -3106,7 +3106,7 @@ 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, + .port_pause_limit = mv88e6390_port_pause_limit, .port_set_cmode = mv88e6390x_port_set_cmode, .port_disable_learn_limit = mv88e6xxx_port_disable_learn_limit, .port_disable_pri_override = mv88e6xxx_port_disable_pri_override, @@ -3142,7 +3142,7 @@ 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, + .port_pause_limit = mv88e6390_port_pause_limit, .port_disable_learn_limit = mv88e6xxx_port_disable_learn_limit, .port_disable_pri_override = mv88e6xxx_port_disable_pri_override, .stats_snapshot = mv88e6390_g1_stats_snapshot, diff --git a/drivers/net/dsa/mv88e6xxx/chip.h b/drivers/net/dsa/mv88e6xxx/chip.h index 07b35cccb0c4..d5f55c28f613 100644 --- a/drivers/net/dsa/mv88e6xxx/chip.h +++ b/drivers/net/dsa/mv88e6xxx/chip.h @@ -425,7 +425,8 @@ struct mv88e6xxx_ops { int (*port_jumbo_config)(struct mv88e6xxx_chip *chip, int port); int (*port_egress_rate_limiting)(struct mv88e6xxx_chip *chip, int port); - int (*port_pause_config)(struct mv88e6xxx_chip *chip, int port); + int (*port_pause_limit)(struct mv88e6xxx_chip *chip, int port, u8 in, + u8 out); int (*port_disable_learn_limit)(struct mv88e6xxx_chip *chip, int port); int (*port_disable_pri_override)(struct mv88e6xxx_chip *chip, int port); diff --git a/drivers/net/dsa/mv88e6xxx/port.c b/drivers/net/dsa/mv88e6xxx/port.c index 46e73ca0ac4d..ee94d16789a2 100644 --- a/drivers/net/dsa/mv88e6xxx/port.c +++ b/drivers/net/dsa/mv88e6xxx/port.c @@ -376,22 +376,24 @@ int mv88e6xxx_port_get_cmode(struct mv88e6xxx_chip *chip, int port, u8 *cmode) * the remote end or the period of time that this port can pause the * remote end. */ -int mv88e6097_port_pause_config(struct mv88e6xxx_chip *chip, int port) +int mv88e6097_port_pause_limit(struct mv88e6xxx_chip *chip, int port, u8 in, + u8 out) { - return mv88e6xxx_port_write(chip, port, PORT_PAUSE_CTRL, 0x0000); + return mv88e6xxx_port_write(chip, port, PORT_PAUSE_CTRL, out << 8 | in); } -int mv88e6390_port_pause_config(struct mv88e6xxx_chip *chip, int port) +int mv88e6390_port_pause_limit(struct mv88e6xxx_chip *chip, int port, u8 in, + u8 out) { int err; err = mv88e6xxx_port_write(chip, port, PORT_PAUSE_CTRL, - PORT_FLOW_CTRL_LIMIT_IN | 0); + PORT_FLOW_CTRL_LIMIT_IN | in); if (err) return err; return mv88e6xxx_port_write(chip, port, PORT_PAUSE_CTRL, - PORT_FLOW_CTRL_LIMIT_OUT | 0); + PORT_FLOW_CTRL_LIMIT_OUT | out); } /* Offset 0x04: Port Control Register */ diff --git a/drivers/net/dsa/mv88e6xxx/port.h b/drivers/net/dsa/mv88e6xxx/port.h index 1de200074e21..7be66f5b4c31 100644 --- a/drivers/net/dsa/mv88e6xxx/port.h +++ b/drivers/net/dsa/mv88e6xxx/port.h @@ -228,8 +228,10 @@ int mv88e6xxx_port_set_message_port(struct mv88e6xxx_chip *chip, int port, 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); +int mv88e6097_port_pause_limit(struct mv88e6xxx_chip *chip, int port, u8 in, + u8 out); +int mv88e6390_port_pause_limit(struct mv88e6xxx_chip *chip, int port, u8 in, + u8 out); int mv88e6390x_port_set_cmode(struct mv88e6xxx_chip *chip, int port, phy_interface_t mode); int mv88e6xxx_port_get_cmode(struct mv88e6xxx_chip *chip, int port, u8 *cmode); -- 2.20.1