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Message-ID: <20240701131801.1227740-13-maxime.chevallier@bootlin.com>
Date: Mon, 1 Jul 2024 15:17:58 +0200
From: Maxime Chevallier <maxime.chevallier@...tlin.com>
To: davem@...emloft.net
Cc: Maxime Chevallier <maxime.chevallier@...tlin.com>,
netdev@...r.kernel.org,
linux-kernel@...r.kernel.org,
thomas.petazzoni@...tlin.com,
Andrew Lunn <andrew@...n.ch>,
Jakub Kicinski <kuba@...nel.org>,
Eric Dumazet <edumazet@...gle.com>,
Paolo Abeni <pabeni@...hat.com>,
Russell King <linux@...linux.org.uk>,
linux-arm-kernel@...ts.infradead.org,
Christophe Leroy <christophe.leroy@...roup.eu>,
Herve Codina <herve.codina@...tlin.com>,
Florian Fainelli <f.fainelli@...il.com>,
Heiner Kallweit <hkallweit1@...il.com>,
Vladimir Oltean <vladimir.oltean@....com>,
Köry Maincent <kory.maincent@...tlin.com>,
Jesse Brandeburg <jesse.brandeburg@...el.com>,
Marek Behún <kabel@...nel.org>,
Piergiorgio Beruto <piergiorgio.beruto@...il.com>,
Oleksij Rempel <o.rempel@...gutronix.de>,
Nicolò Veronese <nicveronese@...il.com>,
Simon Horman <horms@...nel.org>,
mwojtas@...omium.org,
Nathan Chancellor <nathan@...nel.org>,
Antoine Tenart <atenart@...nel.org>,
Marc Kleine-Budde <mkl@...gutronix.de>
Subject: [PATCH net-next v14 12/13] net: ethtool: strset: Allow querying phy stats by index
The ETH_SS_PHY_STATS command gets PHY statistics. Use the phydev pointer
from the ethnl request to allow query phy stats from each PHY on the
link.
Signed-off-by: Maxime Chevallier <maxime.chevallier@...tlin.com>
---
net/ethtool/strset.c | 24 +++++++++++++++++-------
1 file changed, 17 insertions(+), 7 deletions(-)
diff --git a/net/ethtool/strset.c b/net/ethtool/strset.c
index c678b484a079..ebc3a7ad0558 100644
--- a/net/ethtool/strset.c
+++ b/net/ethtool/strset.c
@@ -126,7 +126,7 @@ struct strset_reply_data {
const struct nla_policy ethnl_strset_get_policy[] = {
[ETHTOOL_A_STRSET_HEADER] =
- NLA_POLICY_NESTED(ethnl_header_policy),
+ NLA_POLICY_NESTED(ethnl_header_policy_phy),
[ETHTOOL_A_STRSET_STRINGSETS] = { .type = NLA_NESTED },
[ETHTOOL_A_STRSET_COUNTS_ONLY] = { .type = NLA_FLAG },
};
@@ -233,17 +233,18 @@ static void strset_cleanup_data(struct ethnl_reply_data *reply_base)
}
static int strset_prepare_set(struct strset_info *info, struct net_device *dev,
- unsigned int id, bool counts_only)
+ struct phy_device *phydev, unsigned int id,
+ bool counts_only)
{
const struct ethtool_phy_ops *phy_ops = ethtool_phy_ops;
const struct ethtool_ops *ops = dev->ethtool_ops;
void *strings;
int count, ret;
- if (id == ETH_SS_PHY_STATS && dev->phydev &&
+ if (id == ETH_SS_PHY_STATS && phydev &&
!ops->get_ethtool_phy_stats && phy_ops &&
phy_ops->get_sset_count)
- ret = phy_ops->get_sset_count(dev->phydev);
+ ret = phy_ops->get_sset_count(phydev);
else if (ops->get_sset_count && ops->get_strings)
ret = ops->get_sset_count(dev, id);
else
@@ -258,10 +259,10 @@ static int strset_prepare_set(struct strset_info *info, struct net_device *dev,
strings = kcalloc(count, ETH_GSTRING_LEN, GFP_KERNEL);
if (!strings)
return -ENOMEM;
- if (id == ETH_SS_PHY_STATS && dev->phydev &&
+ if (id == ETH_SS_PHY_STATS && phydev &&
!ops->get_ethtool_phy_stats && phy_ops &&
phy_ops->get_strings)
- phy_ops->get_strings(dev->phydev, strings);
+ phy_ops->get_strings(phydev, strings);
else
ops->get_strings(dev, id, strings);
info->strings = strings;
@@ -279,6 +280,8 @@ static int strset_prepare_data(const struct ethnl_req_info *req_base,
const struct strset_req_info *req_info = STRSET_REQINFO(req_base);
struct strset_reply_data *data = STRSET_REPDATA(reply_base);
struct net_device *dev = reply_base->dev;
+ struct nlattr **tb = info->attrs;
+ struct phy_device *phydev;
unsigned int i;
int ret;
@@ -297,6 +300,13 @@ static int strset_prepare_data(const struct ethnl_req_info *req_base,
return 0;
}
+ phydev = ethnl_req_get_phydev(req_base, tb[ETHTOOL_A_HEADER_FLAGS],
+ info->extack);
+
+ /* phydev can be NULL, check for errors only */
+ if (IS_ERR(phydev))
+ return PTR_ERR(phydev);
+
ret = ethnl_ops_begin(dev);
if (ret < 0)
goto err_strset;
@@ -305,7 +315,7 @@ static int strset_prepare_data(const struct ethnl_req_info *req_base,
!data->sets[i].per_dev)
continue;
- ret = strset_prepare_set(&data->sets[i], dev, i,
+ ret = strset_prepare_set(&data->sets[i], dev, phydev, i,
req_info->counts_only);
if (ret < 0)
goto err_ops;
--
2.45.1
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