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net: hifemac: implement net stats needed ops

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3 operations needed by `net stats` are implemented. New `net stats`
output some useful info.

Signed-off-by: Yang Xiwen <forbidden405@outlook.com>
This commit is contained in:
Yang Xiwen
2024-01-22 22:33:23 +08:00
committed by Tom Rini
parent 561856ec5e
commit abcb26cb1f
1 changed files with 87 additions and 0 deletions
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87
drivers/net/hifemac.c
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@@ -16,6 +16,8 @@
#include <asm/io.h>
#include <dm/device_compat.h>
#include <dm/lists.h>
#include <linux/bitfield.h>
#include <linux/ethtool.h>
#include <linux/delay.h>
#include <linux/kernel.h>
@@ -125,6 +127,57 @@ struct hisi_femac_priv {
u32 link_status;
};
struct hisi_femac_stat_entry {
const char *name;
u32 offset;
u32 mask;
};
/* please refer to the datasheet for the description of these entries */
static const struct hisi_femac_stat_entry hisi_femac_stats_table[] = {
{ "rxsof_cnt", 0x584, GENMASK(31, 28) },
{ "rxeof_cnt", 0x584, GENMASK(27, 24) },
{ "rxcrcok_cnt", 0x584, GENMASK(23, 20) },
{ "rxcrcbad_cnt", 0x584, GENMASK(19, 16) },
{ "txsof_cnt", 0x584, GENMASK(15, 12) },
{ "txeof_cnt", 0x584, GENMASK(11, 8) },
{ "txcrcok_cnt", 0x584, GENMASK(7, 4) },
{ "txcrcbad_cnt", 0x584, GENMASK(3, 0) },
{ "pkts_cpu", 0x5a0, GENMASK(15, 0) },
{ "addr_cpu", 0x5a4, GENMASK(15, 0) },
{ "pkts_port", 0x5a8, GENMASK(15, 0) },
{ "pkts_cpu2tx", 0x5ac, GENMASK(15, 0) },
{ "rxdvrise", 0x600, GENMASK(31, 0) },
{ "ifinoctets", 0x604, GENMASK(31, 0) },
{ "octets_rx", 0x608, GENMASK(31, 0) },
{ "local_mac_match", 0x60c, GENMASK(31, 0) },
{ "pkts", 0x610, GENMASK(31, 0) },
{ "broadcastpkts", 0x614, GENMASK(31, 0) },
{ "multicastpkts", 0x618, GENMASK(31, 0) },
{ "ifinucastpkts", 0x61c, GENMASK(31, 0) },
{ "ifinerrors", 0x620, GENMASK(31, 0) },
{ "crcerr", 0x624, GENMASK(31, 0) },
{ "abnormalsizepkts", 0x628, GENMASK(31, 0) },
{ "dot3alignmenterr", 0x62c, GENMASK(31, 0) },
{ "dot3pause", 0x630, GENMASK(31, 0) },
{ "dropevents", 0x634, GENMASK(31, 0) },
{ "flux_frame_cnt", 0x638, GENMASK(31, 0) },
{ "flux_drop_cnt", 0x63c, GENMASK(31, 0) },
{ "mac_not2cpu_pkts", 0x64c, GENMASK(31, 0) },
{ "pkts_tx", 0x780, GENMASK(31, 0) },
{ "broadcastpkts_tx", 0x784, GENMASK(31, 0) },
{ "multicastpkts_tx", 0x788, GENMASK(31, 0) },
{ "ifoutucastpkts_tx", 0x78c, GENMASK(31, 0) },
{ "octets_tx", 0x790, GENMASK(31, 0) },
{ "dot3pause", 0x794, GENMASK(31, 0) },
{ "retry_times_tx", 0x798, GENMASK(31, 0) },
{ "collisions", 0x79c, GENMASK(31, 0) },
{ "dot3latecol", 0x7a0, GENMASK(31, 0) },
{ "dot3colok", 0x7a4, GENMASK(31, 0) },
{ "dot3excessivecol", 0x7a8, GENMASK(31, 0) },
{ "dot3colcnt", 0x7ac, GENMASK(31, 0) },
};
static void hisi_femac_irq_enable(struct hisi_femac_priv *priv, int irqs)
{
u32 val;
@@ -334,6 +387,37 @@ static void hisi_femac_stop(struct udevice *dev)
writel(SOFT_RESET_ALL, priv->glb_base + GLB_SOFT_RESET);
}
static int hisi_femac_get_sset_count(struct udevice *dev)
{
return ARRAY_SIZE(hisi_femac_stats_table);
}
static void hisi_femac_get_strings(struct udevice *dev, u8 *data)
{
int i;
for (i = 0; i < ARRAY_SIZE(hisi_femac_stats_table); i++)
strcpy(data + i * ETH_GSTRING_LEN, hisi_femac_stats_table[i].name);
}
/* Non-constant mask variant of FIELD_GET/FIELD_PREP */
#define field_get(_mask, _reg) (((_reg) & (_mask)) >> (ffs(_mask) - 1))
static void hisi_femac_get_stats(struct udevice *dev, u64 *data)
{
int i;
u32 mask, reg;
struct hisi_femac_priv *priv = dev_get_priv(dev);
void __iomem *port_base = priv->port_base;
for (i = 0; i < ARRAY_SIZE(hisi_femac_stats_table); i++) {
mask = hisi_femac_stats_table[i].mask;
reg = readl(port_base + hisi_femac_stats_table[i].offset);
data[i] = field_get(mask, reg);
}
}
int hisi_femac_of_to_plat(struct udevice *dev)
{
int ret, i;
@@ -523,6 +607,9 @@ static const struct eth_ops hisi_femac_ops = {
.free_pkt = hisi_femac_free_pkt,
.stop = hisi_femac_stop,
.write_hwaddr = hisi_femac_set_hw_mac_addr,
.get_sset_count = hisi_femac_get_sset_count,
.get_strings = hisi_femac_get_strings,
.get_stats = hisi_femac_get_stats,
};
static const struct udevice_id hisi_femac_ids[] = {