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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 MVMDIO
select PHYLINK select PHYLINK
select PAGE_POOL select PAGE_POOL
select PAGE_POOL_STATS
help help
This driver supports the network interface units in the This driver supports the network interface units in the
Marvell ARMADA XP, ARMADA 370, ARMADA 38x and 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++) for (i = 0; i < ARRAY_SIZE(mvneta_statistics); i++)
memcpy(data + i * ETH_GSTRING_LEN, memcpy(data + i * ETH_GSTRING_LEN,
mvneta_statistics[i].name, 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, static void mvneta_ethtool_get_stats(struct net_device *dev,
struct ethtool_stats *stats, u64 *data) 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++) for (i = 0; i < ARRAY_SIZE(mvneta_statistics); i++)
*data++ = pp->ethtool_stats[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) static int mvneta_ethtool_get_sset_count(struct net_device *dev, int sset)
{ {
if (sset == ETH_SS_STATS) if (sset == ETH_SS_STATS)
return ARRAY_SIZE(mvneta_statistics); return ARRAY_SIZE(mvneta_statistics) +
page_pool_ethtool_stats_get_count();
return -EOPNOTSUPP; return -EOPNOTSUPP;
} }