[PATCH 5.4 006/178] mvpp2: ethtool rxtx stats fix

From: Sasha Levin
Date: Mon Jun 29 2020 - 15:45:25 EST


From: Sven Auhagen <sven.auhagen@xxxxxxxxxxxx>

[ Upstream commit cc970925feb9a38c2f0d34305518e00a3084ce85 ]

The ethtool rx and tx queue statistics are reporting wrong values.
Fix reading out the correct ones.

Signed-off-by: Sven Auhagen <sven.auhagen@xxxxxxxxxxxx>
Signed-off-by: David S. Miller <davem@xxxxxxxxxxxxx>
Signed-off-by: Greg Kroah-Hartman <gregkh@xxxxxxxxxxxxxxxxxxx>
---
drivers/net/ethernet/marvell/mvpp2/mvpp2_main.c | 4 ++--
1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/drivers/net/ethernet/marvell/mvpp2/mvpp2_main.c b/drivers/net/ethernet/marvell/mvpp2/mvpp2_main.c
index cf5d447af7db2..0f136f1af5d14 100644
--- a/drivers/net/ethernet/marvell/mvpp2/mvpp2_main.c
+++ b/drivers/net/ethernet/marvell/mvpp2/mvpp2_main.c
@@ -1541,7 +1541,7 @@ static void mvpp2_read_stats(struct mvpp2_port *port)
for (q = 0; q < port->ntxqs; q++)
for (i = 0; i < ARRAY_SIZE(mvpp2_ethtool_txq_regs); i++)
*pstats++ += mvpp2_read_index(port->priv,
- MVPP22_CTRS_TX_CTR(port->id, i),
+ MVPP22_CTRS_TX_CTR(port->id, q),
mvpp2_ethtool_txq_regs[i].offset);

/* Rxqs are numbered from 0 from the user standpoint, but not from the
@@ -1550,7 +1550,7 @@ static void mvpp2_read_stats(struct mvpp2_port *port)
for (q = 0; q < port->nrxqs; q++)
for (i = 0; i < ARRAY_SIZE(mvpp2_ethtool_rxq_regs); i++)
*pstats++ += mvpp2_read_index(port->priv,
- port->first_rxq + i,
+ port->first_rxq + q,
mvpp2_ethtool_rxq_regs[i].offset);
}

--
2.25.1