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net: mvneta: add support for page_pool_get_stats 

Introduce support for the page_pool stats API into mvneta driver.
Report page_pool stats through ethtool.

Reviewed-by: Andrew Lunn <andrew@lunn.ch>
Signed-off-by: Lorenzo Bianconi <lorenzo@kernel.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Lorenzo Bianconi 2022-04-12 18:31:59 +02:00 committed by David S. Miller
parent f3c5264f45
commit b3fc79225f
2 changed files with 20 additions and 1 deletions
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1
drivers/net/ethernet/marvell/Kconfig
View File

@ -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

20
drivers/net/ethernet/marvell/mvneta.c
View File

@ -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;
}