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Date: Fri, 1 Dec 2023 13:58:10 +0100
From: Tobias Waldekranz <tobias@...dekranz.com>
To: davem@...emloft.net,
kuba@...nel.org
Cc: andrew@...n.ch,
f.fainelli@...il.com,
olteanv@...il.com,
netdev@...r.kernel.org
Subject: [PATCH net-next 2/4] net: dsa: mv88e6xxx: Give each hw stat an ID
With the upcoming standard counter group support, we are no longer
reading out the whole set of counters, but rather mapping a subset to
the requested group.
Therefore, create an enum with an ID for each stat, such that
mv88e6xxx_hw_stats[] can be subscripted with a human-readable ID
corresponding to the counter's name.
Signed-off-by: Tobias Waldekranz <tobias@...dekranz.com>
---
drivers/net/dsa/mv88e6xxx/chip.c | 140 +++++++++++++++++--------------
1 file changed, 77 insertions(+), 63 deletions(-)
diff --git a/drivers/net/dsa/mv88e6xxx/chip.c b/drivers/net/dsa/mv88e6xxx/chip.c
index ffd81174bda3..71c60f229a2f 100644
--- a/drivers/net/dsa/mv88e6xxx/chip.c
+++ b/drivers/net/dsa/mv88e6xxx/chip.c
@@ -937,66 +937,80 @@ static int mv88e6xxx_stats_snapshot(struct mv88e6xxx_chip *chip, int port)
return chip->info->ops->stats_snapshot(chip, port);
}
-static struct mv88e6xxx_hw_stat mv88e6xxx_hw_stats[] = {
- { "in_good_octets", 8, 0x00, STATS_TYPE_BANK0, },
- { "in_bad_octets", 4, 0x02, STATS_TYPE_BANK0, },
- { "in_unicast", 4, 0x04, STATS_TYPE_BANK0, },
- { "in_broadcasts", 4, 0x06, STATS_TYPE_BANK0, },
- { "in_multicasts", 4, 0x07, STATS_TYPE_BANK0, },
- { "in_pause", 4, 0x16, STATS_TYPE_BANK0, },
- { "in_undersize", 4, 0x18, STATS_TYPE_BANK0, },
- { "in_fragments", 4, 0x19, STATS_TYPE_BANK0, },
- { "in_oversize", 4, 0x1a, STATS_TYPE_BANK0, },
- { "in_jabber", 4, 0x1b, STATS_TYPE_BANK0, },
- { "in_rx_error", 4, 0x1c, STATS_TYPE_BANK0, },
- { "in_fcs_error", 4, 0x1d, STATS_TYPE_BANK0, },
- { "out_octets", 8, 0x0e, STATS_TYPE_BANK0, },
- { "out_unicast", 4, 0x10, STATS_TYPE_BANK0, },
- { "out_broadcasts", 4, 0x13, STATS_TYPE_BANK0, },
- { "out_multicasts", 4, 0x12, STATS_TYPE_BANK0, },
- { "out_pause", 4, 0x15, STATS_TYPE_BANK0, },
- { "excessive", 4, 0x11, STATS_TYPE_BANK0, },
- { "collisions", 4, 0x1e, STATS_TYPE_BANK0, },
- { "deferred", 4, 0x05, STATS_TYPE_BANK0, },
- { "single", 4, 0x14, STATS_TYPE_BANK0, },
- { "multiple", 4, 0x17, STATS_TYPE_BANK0, },
- { "out_fcs_error", 4, 0x03, STATS_TYPE_BANK0, },
- { "late", 4, 0x1f, STATS_TYPE_BANK0, },
- { "hist_64bytes", 4, 0x08, STATS_TYPE_BANK0, },
- { "hist_65_127bytes", 4, 0x09, STATS_TYPE_BANK0, },
- { "hist_128_255bytes", 4, 0x0a, STATS_TYPE_BANK0, },
- { "hist_256_511bytes", 4, 0x0b, STATS_TYPE_BANK0, },
- { "hist_512_1023bytes", 4, 0x0c, STATS_TYPE_BANK0, },
- { "hist_1024_max_bytes", 4, 0x0d, STATS_TYPE_BANK0, },
- { "sw_in_discards", 4, 0x10, STATS_TYPE_PORT, },
- { "sw_in_filtered", 2, 0x12, STATS_TYPE_PORT, },
- { "sw_out_filtered", 2, 0x13, STATS_TYPE_PORT, },
- { "in_discards", 4, 0x00, STATS_TYPE_BANK1, },
- { "in_filtered", 4, 0x01, STATS_TYPE_BANK1, },
- { "in_accepted", 4, 0x02, STATS_TYPE_BANK1, },
- { "in_bad_accepted", 4, 0x03, STATS_TYPE_BANK1, },
- { "in_good_avb_class_a", 4, 0x04, STATS_TYPE_BANK1, },
- { "in_good_avb_class_b", 4, 0x05, STATS_TYPE_BANK1, },
- { "in_bad_avb_class_a", 4, 0x06, STATS_TYPE_BANK1, },
- { "in_bad_avb_class_b", 4, 0x07, STATS_TYPE_BANK1, },
- { "tcam_counter_0", 4, 0x08, STATS_TYPE_BANK1, },
- { "tcam_counter_1", 4, 0x09, STATS_TYPE_BANK1, },
- { "tcam_counter_2", 4, 0x0a, STATS_TYPE_BANK1, },
- { "tcam_counter_3", 4, 0x0b, STATS_TYPE_BANK1, },
- { "in_da_unknown", 4, 0x0e, STATS_TYPE_BANK1, },
- { "in_management", 4, 0x0f, STATS_TYPE_BANK1, },
- { "out_queue_0", 4, 0x10, STATS_TYPE_BANK1, },
- { "out_queue_1", 4, 0x11, STATS_TYPE_BANK1, },
- { "out_queue_2", 4, 0x12, STATS_TYPE_BANK1, },
- { "out_queue_3", 4, 0x13, STATS_TYPE_BANK1, },
- { "out_queue_4", 4, 0x14, STATS_TYPE_BANK1, },
- { "out_queue_5", 4, 0x15, STATS_TYPE_BANK1, },
- { "out_queue_6", 4, 0x16, STATS_TYPE_BANK1, },
- { "out_queue_7", 4, 0x17, STATS_TYPE_BANK1, },
- { "out_cut_through", 4, 0x18, STATS_TYPE_BANK1, },
- { "out_octets_a", 4, 0x1a, STATS_TYPE_BANK1, },
- { "out_octets_b", 4, 0x1b, STATS_TYPE_BANK1, },
- { "out_management", 4, 0x1f, STATS_TYPE_BANK1, },
+#define MV88E6XXX_HW_STAT_MAPPER(_fn) \
+ _fn(in_good_octets, 8, 0x00, STATS_TYPE_BANK0) \
+ _fn(in_bad_octets, 4, 0x02, STATS_TYPE_BANK0) \
+ _fn(in_unicast, 4, 0x04, STATS_TYPE_BANK0) \
+ _fn(in_broadcasts, 4, 0x06, STATS_TYPE_BANK0) \
+ _fn(in_multicasts, 4, 0x07, STATS_TYPE_BANK0) \
+ _fn(in_pause, 4, 0x16, STATS_TYPE_BANK0) \
+ _fn(in_undersize, 4, 0x18, STATS_TYPE_BANK0) \
+ _fn(in_fragments, 4, 0x19, STATS_TYPE_BANK0) \
+ _fn(in_oversize, 4, 0x1a, STATS_TYPE_BANK0) \
+ _fn(in_jabber, 4, 0x1b, STATS_TYPE_BANK0) \
+ _fn(in_rx_error, 4, 0x1c, STATS_TYPE_BANK0) \
+ _fn(in_fcs_error, 4, 0x1d, STATS_TYPE_BANK0) \
+ _fn(out_octets, 8, 0x0e, STATS_TYPE_BANK0) \
+ _fn(out_unicast, 4, 0x10, STATS_TYPE_BANK0) \
+ _fn(out_broadcasts, 4, 0x13, STATS_TYPE_BANK0) \
+ _fn(out_multicasts, 4, 0x12, STATS_TYPE_BANK0) \
+ _fn(out_pause, 4, 0x15, STATS_TYPE_BANK0) \
+ _fn(excessive, 4, 0x11, STATS_TYPE_BANK0) \
+ _fn(collisions, 4, 0x1e, STATS_TYPE_BANK0) \
+ _fn(deferred, 4, 0x05, STATS_TYPE_BANK0) \
+ _fn(single, 4, 0x14, STATS_TYPE_BANK0) \
+ _fn(multiple, 4, 0x17, STATS_TYPE_BANK0) \
+ _fn(out_fcs_error, 4, 0x03, STATS_TYPE_BANK0) \
+ _fn(late, 4, 0x1f, STATS_TYPE_BANK0) \
+ _fn(hist_64bytes, 4, 0x08, STATS_TYPE_BANK0) \
+ _fn(hist_65_127bytes, 4, 0x09, STATS_TYPE_BANK0) \
+ _fn(hist_128_255bytes, 4, 0x0a, STATS_TYPE_BANK0) \
+ _fn(hist_256_511bytes, 4, 0x0b, STATS_TYPE_BANK0) \
+ _fn(hist_512_1023bytes, 4, 0x0c, STATS_TYPE_BANK0) \
+ _fn(hist_1024_max_bytes, 4, 0x0d, STATS_TYPE_BANK0) \
+ _fn(sw_in_discards, 4, 0x10, STATS_TYPE_PORT) \
+ _fn(sw_in_filtered, 2, 0x12, STATS_TYPE_PORT) \
+ _fn(sw_out_filtered, 2, 0x13, STATS_TYPE_PORT) \
+ _fn(in_discards, 4, 0x00, STATS_TYPE_BANK1) \
+ _fn(in_filtered, 4, 0x01, STATS_TYPE_BANK1) \
+ _fn(in_accepted, 4, 0x02, STATS_TYPE_BANK1) \
+ _fn(in_bad_accepted, 4, 0x03, STATS_TYPE_BANK1) \
+ _fn(in_good_avb_class_a, 4, 0x04, STATS_TYPE_BANK1) \
+ _fn(in_good_avb_class_b, 4, 0x05, STATS_TYPE_BANK1) \
+ _fn(in_bad_avb_class_a, 4, 0x06, STATS_TYPE_BANK1) \
+ _fn(in_bad_avb_class_b, 4, 0x07, STATS_TYPE_BANK1) \
+ _fn(tcam_counter_0, 4, 0x08, STATS_TYPE_BANK1) \
+ _fn(tcam_counter_1, 4, 0x09, STATS_TYPE_BANK1) \
+ _fn(tcam_counter_2, 4, 0x0a, STATS_TYPE_BANK1) \
+ _fn(tcam_counter_3, 4, 0x0b, STATS_TYPE_BANK1) \
+ _fn(in_da_unknown, 4, 0x0e, STATS_TYPE_BANK1) \
+ _fn(in_management, 4, 0x0f, STATS_TYPE_BANK1) \
+ _fn(out_queue_0, 4, 0x10, STATS_TYPE_BANK1) \
+ _fn(out_queue_1, 4, 0x11, STATS_TYPE_BANK1) \
+ _fn(out_queue_2, 4, 0x12, STATS_TYPE_BANK1) \
+ _fn(out_queue_3, 4, 0x13, STATS_TYPE_BANK1) \
+ _fn(out_queue_4, 4, 0x14, STATS_TYPE_BANK1) \
+ _fn(out_queue_5, 4, 0x15, STATS_TYPE_BANK1) \
+ _fn(out_queue_6, 4, 0x16, STATS_TYPE_BANK1) \
+ _fn(out_queue_7, 4, 0x17, STATS_TYPE_BANK1) \
+ _fn(out_cut_through, 4, 0x18, STATS_TYPE_BANK1) \
+ _fn(out_octets_a, 4, 0x1a, STATS_TYPE_BANK1) \
+ _fn(out_octets_b, 4, 0x1b, STATS_TYPE_BANK1) \
+ _fn(out_management, 4, 0x1f, STATS_TYPE_BANK1) \
+ /* */
+
+#define MV88E6XXX_HW_STAT_ENTRY(_string, _size, _reg, _type) \
+ { #_string, _size, _reg, _type },
+static const struct mv88e6xxx_hw_stat mv88e6xxx_hw_stats[] = {
+ MV88E6XXX_HW_STAT_MAPPER(MV88E6XXX_HW_STAT_ENTRY)
+};
+
+#define MV88E6XXX_HW_STAT_ENUM(_string, _size, _reg, _type) \
+ MV88E6XXX_HW_STAT_ID_ ## _string,
+enum mv88e6xxx_hw_stat_id {
+ MV88E6XXX_HW_STAT_MAPPER(MV88E6XXX_HW_STAT_ENUM)
+
+ MV88E6XXX_HW_STAT_ID_MAX
};
static uint64_t _mv88e6xxx_get_ethtool_stat(struct mv88e6xxx_chip *chip,
@@ -1043,7 +1057,7 @@ static uint64_t _mv88e6xxx_get_ethtool_stat(struct mv88e6xxx_chip *chip,
static int mv88e6xxx_stats_get_strings(struct mv88e6xxx_chip *chip,
uint8_t *data, int types)
{
- struct mv88e6xxx_hw_stat *stat;
+ const struct mv88e6xxx_hw_stat *stat;
int i, j;
for (i = 0, j = 0; i < ARRAY_SIZE(mv88e6xxx_hw_stats); i++) {
@@ -1124,7 +1138,7 @@ static void mv88e6xxx_get_strings(struct dsa_switch *ds, int port,
static int mv88e6xxx_stats_get_sset_count(struct mv88e6xxx_chip *chip,
int types)
{
- struct mv88e6xxx_hw_stat *stat;
+ const struct mv88e6xxx_hw_stat *stat;
int i, j;
for (i = 0, j = 0; i < ARRAY_SIZE(mv88e6xxx_hw_stats); i++) {
@@ -1251,7 +1265,7 @@ static int mv88e6xxx_stats_get_stat(struct mv88e6xxx_chip *chip, int port,
static int mv88e6xxx_stats_get_stats(struct mv88e6xxx_chip *chip, int port,
uint64_t *data)
{
- struct mv88e6xxx_hw_stat *stat;
+ const struct mv88e6xxx_hw_stat *stat;
int i, j;
for (i = 0, j = 0; i < ARRAY_SIZE(mv88e6xxx_hw_stats); i++) {
--
2.34.1
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