iv/linux
1
0
Fork 0
Code Issues Pull Requests Actions Packages Projects Releases Wiki Activity

mt76: mt7615: add more useful Tx mib counters

Browse Source 
Add ba_miss_cnt and ampdu_per in mib_stats.

Signed-off-by: Ryder Lee <ryder.lee@mediatek.com>
Signed-off-by: Felix Fietkau <nbd@nbd.name>
This commit is contained in:
Ryder Lee 2020-03-31 14:51:38 +08:00 committed by Felix Fietkau
parent b7825ca0a2
commit aef16345ba
4 changed files with 28 additions and 5 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

4
drivers/net/wireless/mediatek/mt76/mt7615/debugfs.c
View File

@ -150,6 +150,10 @@ mt7615_ampdu_stat_read_phy(struct mt7615_phy *phy,
for (i = 0; i < ARRAY_SIZE(bound); i++)
seq_printf(file, "%8d | ", dev->mt76.aggr_stats[i + range]);
seq_puts(file, "\n");
seq_printf(file, "BA miss count: %d\n", phy->mib.ba_miss_cnt);
seq_printf(file, "PER: %ld.%1ld%%\n",
phy->mib.aggr_per / 10, phy->mib.aggr_per % 10);
}
static int

20
drivers/net/wireless/mediatek/mt76/mt7615/mac.c
View File

@ -1754,20 +1754,30 @@ mt7615_mac_update_mib_stats(struct mt7615_phy *phy)
struct mib_stats *mib = &phy->mib;
bool ext_phy = phy != &dev->phy;
int i, aggr;
u32 val, val2;
memset(mib, 0, sizeof(*mib));
mib->fcs_err_cnt = mt76_get_field(dev, MT_MIB_SDR3(ext_phy),
MT_MIB_SDR3_FCS_ERR_MASK);
val = mt76_get_field(dev, MT_MIB_SDR14(ext_phy),
MT_MIB_AMPDU_MPDU_COUNT);
val2 = mt76_get_field(dev, MT_MIB_SDR15(ext_phy),
MT_MIB_AMPDU_ACK_COUNT);
mib->aggr_per = 1000 * (val - val2) / val;
aggr = ext_phy ? ARRAY_SIZE(dev->mt76.aggr_stats) / 2 : 0;
for (i = 0; i < 4; i++) {
u32 val, val2;
val = mt76_rr(dev, MT_MIB_MB_SDR1(ext_phy, i));
val = mt76_get_field(dev, MT_MIB_MB_SDR1(ext_phy, i),
MT_MIB_ACK_FAIL_COUNT_MASK);
if (val > mib->ack_fail_cnt)
mib->ack_fail_cnt = val;
val2 = FIELD_GET(MT_MIB_ACK_FAIL_COUNT_MASK, val);
if (val2 > mib->ack_fail_cnt)
mib->ack_fail_cnt = val2;
val2 = FIELD_GET(MT_MIB_BA_MISS_COUNT_MASK, val);
if (val2 > mib->ba_miss_cnt)
mib->ba_miss_cnt = val2;
val = mt76_rr(dev, MT_MIB_MB_SDR0(ext_phy, i));
val2 = FIELD_GET(MT_MIB_RTS_RETRIES_COUNT_MASK, val);

2
drivers/net/wireless/mediatek/mt76/mt7615/mt7615.h
View File

@ -117,6 +117,8 @@ struct mib_stats {
u16 fcs_err_cnt;
u16 rts_cnt;
u16 rts_retries_cnt;
u16 ba_miss_cnt;
unsigned long aggr_per;
};
struct mt7615_phy {

7
drivers/net/wireless/mediatek/mt76/mt7615/regs.h
View File

@ -389,6 +389,12 @@ enum mt7615_reg_base {
#define MT_MIB_SDR9(_band) MT_WF_MIB(_band, 0x02c)
#define MT_MIB_SDR9_BUSY_MASK GENMASK(23, 0)
#define MT_MIB_SDR14(_band) MT_WF_MIB(_band, 0x040)
#define MT_MIB_AMPDU_MPDU_COUNT GENMASK(23, 0)
#define MT_MIB_SDR15(_band) MT_WF_MIB(_band, 0x044)
#define MT_MIB_AMPDU_ACK_COUNT GENMASK(23, 0)
#define MT_MIB_SDR16(_band) MT_WF_MIB(_band, 0x048)
#define MT_MIB_SDR16_BUSY_MASK GENMASK(23, 0)
@ -402,6 +408,7 @@ enum mt7615_reg_base {
#define MT_MIB_RTS_COUNT_MASK GENMASK(15, 0)
#define MT_MIB_MB_SDR1(_band, n) MT_WF_MIB(_band, 0x104 + ((n) << 4))
#define MT_MIB_BA_MISS_COUNT_MASK GENMASK(15, 0)
#define MT_MIB_ACK_FAIL_COUNT_MASK GENMASK(31, 16)
#define MT_TX_AGG_CNT(_band, n) MT_WF_MIB(_band, 0xa8 + ((n) << 2))