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Message-Id: <e34cc026163547c7921b1327f4846543fca17aee.1649528984.git.lorenzo@kernel.org>
Date: Sat, 9 Apr 2022 20:39:11 +0200
From: Lorenzo Bianconi <lorenzo@...nel.org>
To: netdev@...r.kernel.org
Cc: lorenzo.bianconi@...hat.com, davem@...emloft.net, kuba@...nel.org,
pabeni@...hat.com, thomas.petazzoni@...tlin.com,
linux@...linux.org.uk, jbrouer@...hat.com,
ilias.apalodimas@...aro.org, jdamato@...tly.com, andrew@...n.ch
Subject: [PATCH v3 net-next 2/2] net: mvneta: add support for page_pool_get_stats
Introduce support for the page_pool_get_stats API to mvneta driver
Report page_pool stats through ethtool.
Signed-off-by: Lorenzo Bianconi <lorenzo@...nel.org>
---
drivers/net/ethernet/marvell/Kconfig | 1 +
drivers/net/ethernet/marvell/mvneta.c | 20 +++++++++++++++++++-
2 files changed, 20 insertions(+), 1 deletion(-)
diff --git a/drivers/net/ethernet/marvell/Kconfig b/drivers/net/ethernet/marvell/Kconfig
index fe0989c0fc25..1240cb2dc07f 100644
--- a/drivers/net/ethernet/marvell/Kconfig
+++ b/drivers/net/ethernet/marvell/Kconfig
@@ -62,6 +62,7 @@ config MVNETA
select MVMDIO
select PHYLINK
select PAGE_POOL
+ select PAGE_POOL_STATS
help
This driver supports the network interface units in the
Marvell ARMADA XP, ARMADA 370, ARMADA 38x and
diff --git a/drivers/net/ethernet/marvell/mvneta.c b/drivers/net/ethernet/marvell/mvneta.c
index 934f6dd90992..f6a54c7f0c69 100644
--- a/drivers/net/ethernet/marvell/mvneta.c
+++ b/drivers/net/ethernet/marvell/mvneta.c
@@ -4735,6 +4735,9 @@ static void mvneta_ethtool_get_strings(struct net_device *netdev, u32 sset,
for (i = 0; i < ARRAY_SIZE(mvneta_statistics); i++)
memcpy(data + i * ETH_GSTRING_LEN,
mvneta_statistics[i].name, ETH_GSTRING_LEN);
+
+ data += ETH_GSTRING_LEN * ARRAY_SIZE(mvneta_statistics);
+ page_pool_ethtool_stats_get_strings(data);
}
}
@@ -4847,6 +4850,17 @@ static void mvneta_ethtool_update_stats(struct mvneta_port *pp)
}
}
+static void mvneta_ethtool_pp_stats(struct mvneta_port *pp, u64 *data)
+{
+ struct page_pool_stats stats = {};
+ int i;
+
+ for (i = 0; i < rxq_number; i++)
+ page_pool_get_stats(pp->rxqs[i].page_pool, &stats);
+
+ page_pool_ethtool_stats_get(data, &stats);
+}
+
static void mvneta_ethtool_get_stats(struct net_device *dev,
struct ethtool_stats *stats, u64 *data)
{
@@ -4857,12 +4871,16 @@ static void mvneta_ethtool_get_stats(struct net_device *dev,
for (i = 0; i < ARRAY_SIZE(mvneta_statistics); i++)
*data++ = pp->ethtool_stats[i];
+
+ mvneta_ethtool_pp_stats(pp, data);
}
static int mvneta_ethtool_get_sset_count(struct net_device *dev, int sset)
{
if (sset == ETH_SS_STATS)
- return ARRAY_SIZE(mvneta_statistics);
+ return ARRAY_SIZE(mvneta_statistics) +
+ page_pool_ethtool_stats_get_count();
+
return -EOPNOTSUPP;
}
--
2.35.1
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