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net: dsa: mv88e6xxx: prefix Global Stats macros

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Prefix and document the Global Stats Operation and Counter registers and
give them a clear 16-bit registers representation.

Signed-off-by: Vivien Didelot <vivien.didelot@savoirfairelinux.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Vivien Didelot 2017-06-15 12:14:05 -04:00 committed by David S. Miller
parent 101515c8c5
commit 57d1ef389c
3 changed files with 41 additions and 30 deletions
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14
drivers/net/dsa/mv88e6xxx/chip.c
View File

@ -725,7 +725,7 @@ static void mv88e6095_stats_get_stats(struct mv88e6xxx_chip *chip, int port,
{
return mv88e6xxx_stats_get_stats(chip, port, data,
STATS_TYPE_BANK0 | STATS_TYPE_PORT,
0, GLOBAL_STATS_OP_HIST_RX_TX);
0, MV88E6XXX_G1_STATS_OP_HIST_RX_TX);
}
static void mv88e6320_stats_get_stats(struct mv88e6xxx_chip *chip, int port,
@ -733,8 +733,8 @@ static void mv88e6320_stats_get_stats(struct mv88e6xxx_chip *chip, int port,
{
return mv88e6xxx_stats_get_stats(chip, port, data,
STATS_TYPE_BANK0 | STATS_TYPE_BANK1,
GLOBAL_STATS_OP_BANK_1_BIT_9,
GLOBAL_STATS_OP_HIST_RX_TX);
MV88E6XXX_G1_STATS_OP_BANK_1_BIT_9,
MV88E6XXX_G1_STATS_OP_HIST_RX_TX);
}
static void mv88e6390_stats_get_stats(struct mv88e6xxx_chip *chip, int port,
@ -742,7 +742,8 @@ static void mv88e6390_stats_get_stats(struct mv88e6xxx_chip *chip, int port,
{
return mv88e6xxx_stats_get_stats(chip, port, data,
STATS_TYPE_BANK0 | STATS_TYPE_BANK1,
GLOBAL_STATS_OP_BANK_1_BIT_10, 0);
MV88E6XXX_G1_STATS_OP_BANK_1_BIT_10,
0);
}
static void mv88e6xxx_get_stats(struct mv88e6xxx_chip *chip, int port,
@ -2057,8 +2058,9 @@ static int mv88e6xxx_g1_setup(struct mv88e6xxx_chip *chip)
return err;
/* Clear the statistics counters for all ports */
err = mv88e6xxx_g1_write(chip, GLOBAL_STATS_OP,
GLOBAL_STATS_OP_FLUSH_ALL);
err = mv88e6xxx_g1_write(chip, MV88E6XXX_G1_STATS_OP,
MV88E6XXX_G1_STATS_OP_BUSY |
MV88E6XXX_G1_STATS_OP_FLUSH_ALL);
if (err)
return err;

24
drivers/net/dsa/mv88e6xxx/global1.c
View File

@ -370,7 +370,8 @@ int mv88e6390_g1_stats_set_histogram(struct mv88e6xxx_chip *chip)
int mv88e6xxx_g1_stats_wait(struct mv88e6xxx_chip *chip)
{
return mv88e6xxx_g1_wait(chip, GLOBAL_STATS_OP, GLOBAL_STATS_OP_BUSY);
return mv88e6xxx_g1_wait(chip, MV88E6XXX_G1_STATS_OP,
MV88E6XXX_G1_STATS_OP_BUSY);
}
int mv88e6xxx_g1_stats_snapshot(struct mv88e6xxx_chip *chip, int port)
@ -378,9 +379,10 @@ int mv88e6xxx_g1_stats_snapshot(struct mv88e6xxx_chip *chip, int port)
int err;
/* Snapshot the hardware statistics counters for this port. */
err = mv88e6xxx_g1_write(chip, GLOBAL_STATS_OP,
GLOBAL_STATS_OP_CAPTURE_PORT |
GLOBAL_STATS_OP_HIST_RX_TX | port);
err = mv88e6xxx_g1_write(chip, MV88E6XXX_G1_STATS_OP,
MV88E6XXX_G1_STATS_OP_BUSY |
MV88E6XXX_G1_STATS_OP_CAPTURE_PORT |
MV88E6XXX_G1_STATS_OP_HIST_RX_TX | port);
if (err)
return err;
@ -402,8 +404,9 @@ int mv88e6390_g1_stats_snapshot(struct mv88e6xxx_chip *chip, int port)
port = (port + 1) << 5;
/* Snapshot the hardware statistics counters for this port. */
err = mv88e6xxx_g1_write(chip, GLOBAL_STATS_OP,
GLOBAL_STATS_OP_CAPTURE_PORT | port);
err = mv88e6xxx_g1_write(chip, MV88E6XXX_G1_STATS_OP,
MV88E6XXX_G1_STATS_OP_BUSY |
MV88E6XXX_G1_STATS_OP_CAPTURE_PORT | port);
if (err)
return err;
@ -419,8 +422,9 @@ void mv88e6xxx_g1_stats_read(struct mv88e6xxx_chip *chip, int stat, u32 *val)
*val = 0;
err = mv88e6xxx_g1_write(chip, GLOBAL_STATS_OP,
GLOBAL_STATS_OP_READ_CAPTURED | stat);
err = mv88e6xxx_g1_write(chip, MV88E6XXX_G1_STATS_OP,
MV88E6XXX_G1_STATS_OP_BUSY |
MV88E6XXX_G1_STATS_OP_READ_CAPTURED | stat);
if (err)
return;
@ -428,13 +432,13 @@ void mv88e6xxx_g1_stats_read(struct mv88e6xxx_chip *chip, int stat, u32 *val)
if (err)
return;
err = mv88e6xxx_g1_read(chip, GLOBAL_STATS_COUNTER_32, &reg);
err = mv88e6xxx_g1_read(chip, MV88E6XXX_G1_STATS_COUNTER_32, &reg);
if (err)
return;
value = reg << 16;
err = mv88e6xxx_g1_read(chip, GLOBAL_STATS_COUNTER_01, &reg);
err = mv88e6xxx_g1_read(chip, MV88E6XXX_G1_STATS_COUNTER_01, &reg);
if (err)
return;

33
drivers/net/dsa/mv88e6xxx/global1.h
View File

@ -186,20 +186,25 @@
#define MV88E6XXX_G1_CTL2_HIST_TX 0x0080
#define MV88E6XXX_G1_CTL2_HIST_RX_TX 0x00c0
#define GLOBAL_STATS_OP 0x1d
#define GLOBAL_STATS_OP_BUSY BIT(15)
#define GLOBAL_STATS_OP_NOP (0 << 12)
#define GLOBAL_STATS_OP_FLUSH_ALL ((1 << 12) | GLOBAL_STATS_OP_BUSY)
#define GLOBAL_STATS_OP_FLUSH_PORT ((2 << 12) | GLOBAL_STATS_OP_BUSY)
#define GLOBAL_STATS_OP_READ_CAPTURED ((4 << 12) | GLOBAL_STATS_OP_BUSY)
#define GLOBAL_STATS_OP_CAPTURE_PORT ((5 << 12) | GLOBAL_STATS_OP_BUSY)
#define GLOBAL_STATS_OP_HIST_RX ((1 << 10) | GLOBAL_STATS_OP_BUSY)
#define GLOBAL_STATS_OP_HIST_TX ((2 << 10) | GLOBAL_STATS_OP_BUSY)
#define GLOBAL_STATS_OP_HIST_RX_TX ((3 << 10) | GLOBAL_STATS_OP_BUSY)
#define GLOBAL_STATS_OP_BANK_1_BIT_9 BIT(9)
#define GLOBAL_STATS_OP_BANK_1_BIT_10 BIT(10)
#define GLOBAL_STATS_COUNTER_32 0x1e
#define GLOBAL_STATS_COUNTER_01 0x1f
/* Offset 0x1D: Stats Operation Register */
#define MV88E6XXX_G1_STATS_OP 0x1d
#define MV88E6XXX_G1_STATS_OP_BUSY 0x8000
#define MV88E6XXX_G1_STATS_OP_NOP 0x0000
#define MV88E6XXX_G1_STATS_OP_FLUSH_ALL 0x1000
#define MV88E6XXX_G1_STATS_OP_FLUSH_PORT 0x2000
#define MV88E6XXX_G1_STATS_OP_READ_CAPTURED 0x4000
#define MV88E6XXX_G1_STATS_OP_CAPTURE_PORT 0x5000
#define MV88E6XXX_G1_STATS_OP_HIST_RX 0x0400
#define MV88E6XXX_G1_STATS_OP_HIST_TX 0x0800
#define MV88E6XXX_G1_STATS_OP_HIST_RX_TX 0x0c00
#define MV88E6XXX_G1_STATS_OP_BANK_1_BIT_9 0x0200
#define MV88E6XXX_G1_STATS_OP_BANK_1_BIT_10 0x0400
/* Offset 0x1E: Stats Counter Register Bytes 3 & 2
* Offset 0x1F: Stats Counter Register Bytes 1 & 0
*/
#define MV88E6XXX_G1_STATS_COUNTER_32 0x1e
#define MV88E6XXX_G1_STATS_COUNTER_01 0x1f
int mv88e6xxx_g1_read(struct mv88e6xxx_chip *chip, int reg, u16 *val);
int mv88e6xxx_g1_write(struct mv88e6xxx_chip *chip, int reg, u16 val);