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AR8216: complement MIB counters with info in GiB / MiB / KiB

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The decimal values especially for TxByte and RxGoodByte are hard to read
once bigger amounts of data have been transferred.
Therefore complement the decimal values with info in GiB / MiB / KiB.

Signed-off-by: Heiner Kallweit <hkallweit1@gmail.com>

SVN-Revision: 48911
This commit is contained in:
John Crispin 2016-03-04 08:33:25 +00:00
parent 76e1efc042
commit f03ec2baf7
1 changed files with 40 additions and 5 deletions
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45
target/linux/generic/files/drivers/net/phy/ar8216.c
View file

@ -1317,6 +1317,31 @@ unlock:
return ret;
}
static void
ar8xxx_byte_to_str(char *buf, int len, u64 byte)
{
unsigned long b;
const char *unit;
if (byte >= 0x40000000) { /* 1 GiB */
b = byte * 10 / 0x40000000;
unit = "GiB";
} else if (byte >= 0x100000) { /* 1 MiB */
b = byte * 10 / 0x100000;
unit = "MiB";
} else if (byte >= 0x400) { /* 1 KiB */
b = byte * 10 / 0x400;
unit = "KiB";
} else {
b = byte;
unit = "Byte";
}
if (strcmp(unit, "Byte"))
snprintf(buf, len, "%lu.%lu %s", b / 10, b % 10, unit);
else
snprintf(buf, len, "%lu %s", b, unit);
}
int
ar8xxx_sw_get_port_mib(struct switch_dev *dev,
const struct switch_attr *attr,
@ -1324,10 +1349,12 @@ ar8xxx_sw_get_port_mib(struct switch_dev *dev,
{
struct ar8xxx_priv *priv = swdev_to_ar8xxx(dev);
const struct ar8xxx_chip *chip = priv->chip;
u64 *mib_stats;
u64 *mib_stats, mib_data;
int port;
int ret;
char *buf = priv->buf;
char buf1[64];
const char *mib_name;
int i, len = 0;
bool mib_stats_empty = true;
@ -1351,11 +1378,19 @@ ar8xxx_sw_get_port_mib(struct switch_dev *dev,
mib_stats = &priv->mib_stats[port * chip->num_mibs];
for (i = 0; i < chip->num_mibs; i++) {
mib_name = chip->mib_decs[i].name;
mib_data = mib_stats[i];
len += snprintf(buf + len, sizeof(priv->buf) - len,
"%-12s: %llu\n",
chip->mib_decs[i].name,
mib_stats[i]);
if (mib_stats_empty && mib_stats[i])
"%-12s: %llu\n", mib_name, mib_data);
if ((!strcmp(mib_name, "TxByte") ||
!strcmp(mib_name, "RxGoodByte")) &&
mib_data >= 1024) {
ar8xxx_byte_to_str(buf1, sizeof(buf1), mib_data);
--len; /* discard newline at the end of buf */
len += snprintf(buf + len, sizeof(priv->buf) - len,
" (%s)\n", buf1);
}
if (mib_stats_empty && mib_data)
mib_stats_empty = false;
}