From: Alexander Lobakin <alexandr.lobakin@intel.com>
To: "David S. Miller" <davem@davemloft.net>,
Jakub Kicinski <kuba@kernel.org>
Cc: Alexander Lobakin <alexandr.lobakin@intel.com>,
Jesse Brandeburg <jesse.brandeburg@intel.com>,
Lukasz Czapnik <lukasz.czapnik@intel.com>,
Marcin Kubiak <marcin.kubiak@intel.com>,
Michal Kubiak <michal.kubiak@intel.com>,
Michal Swiatkowski <michal.swiatkowski@intel.com>,
Jonathan Corbet <corbet@lwn.net>,
Netanel Belgazal <netanel@amazon.com>,
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Saeed Bishara <saeedb@amazon.com>,
Ioana Ciornei <ioana.ciornei@nxp.com>,
Claudiu Manoil <claudiu.manoil@nxp.com>,
Thomas Petazzoni <thomas.petazzoni@bootlin.com>,
Marcin Wojtas <mw@semihalf.com>,
Russell King <linux@armlinux.org.uk>,
Edward Cree <ecree.xilinx@gmail.com>,
Martin Habets <habetsm.xilinx@gmail.com>,
"Michael S. Tsirkin" <mst@redhat.com>,
Jason Wang <jasowang@redhat.com>,
Alexei Starovoitov <ast@kernel.org>,
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Yonghong Song <yhs@fb.com>, KP Singh <kpsingh@kernel.org>,
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Andrew Morton <akpm@linux-foundation.org>,
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Yangbo Lu <yangbo.lu@nxp.com>, Michal Kubecek <mkubecek@suse.cz>,
Zheng Yongjun <zhengyongjun3@huawei.com>,
Heiner Kallweit <hkallweit1@gmail.com>,
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netdev@vger.kernel.org, linux-doc@vger.kernel.org,
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Subject: [PATCH net-next 05/21] ethernet, dpaa2: convert to standard XDP stats
Date: Tue, 3 Aug 2021 18:36:25 +0200 [thread overview]
Message-ID: <20210803163641.3743-6-alexandr.lobakin@intel.com> (raw)
In-Reply-To: <20210803163641.3743-1-alexandr.lobakin@intel.com>
DPAA2 driver has 4 XDP counters which align just fine with the
standard XDP stats. Convert the driver to use the new approach.
Note that those counters are stored per-channel, but originally
were being given to Ethtool as sums across all channels. This
change makes them per-channel in Ethtool as well by providing
a number of channels to the standard stats infra.
Signed-off-by: Alexander Lobakin <alexandr.lobakin@intel.com>
Reviewed-by: Jesse Brandeburg <jesse.brandeburg@intel.com>
---
.../net/ethernet/freescale/dpaa2/dpaa2-eth.h | 4 +--
.../ethernet/freescale/dpaa2/dpaa2-ethtool.c | 36 ++++++++++++++++---
2 files changed, 34 insertions(+), 6 deletions(-)
diff --git a/drivers/net/ethernet/freescale/dpaa2/dpaa2-eth.h b/drivers/net/ethernet/freescale/dpaa2/dpaa2-eth.h
index 8cb57f103d6b..fbba28fbb527 100644
--- a/drivers/net/ethernet/freescale/dpaa2/dpaa2-eth.h
+++ b/drivers/net/ethernet/freescale/dpaa2/dpaa2-eth.h
@@ -377,13 +377,13 @@ struct dpaa2_eth_ch_stats {
__u64 pull_err;
/* Number of CDANs; useful to estimate avg NAPI len */
__u64 cdan;
+ /* The rest of the structure does not show up in ethtool stats */
+ struct { } __eth_end;
/* XDP counters */
__u64 xdp_drop;
__u64 xdp_tx;
__u64 xdp_tx_err;
__u64 xdp_redirect;
- /* The rest of the structure does not show up in ethtool stats */
- struct { } __eth_end;
/* Must be last */
__u64 frames;
};
diff --git a/drivers/net/ethernet/freescale/dpaa2/dpaa2-ethtool.c b/drivers/net/ethernet/freescale/dpaa2/dpaa2-ethtool.c
index 95ae83905458..6529fa35c532 100644
--- a/drivers/net/ethernet/freescale/dpaa2/dpaa2-ethtool.c
+++ b/drivers/net/ethernet/freescale/dpaa2/dpaa2-ethtool.c
@@ -53,10 +53,6 @@ static char dpaa2_ethtool_extras[][ETH_GSTRING_LEN] = {
"[drv] dequeue portal busy",
"[drv] channel pull errors",
"[drv] cdan",
- "[drv] xdp drop",
- "[drv] xdp tx",
- "[drv] xdp tx errors",
- "[drv] xdp redirect",
/* FQ stats */
"[qbman] rx pending frames",
"[qbman] rx pending bytes",
@@ -317,6 +313,36 @@ static void dpaa2_eth_get_ethtool_stats(struct net_device *net_dev,
dpaa2_mac_get_ethtool_stats(priv->mac, data + i);
}
+static int dpaa2_eth_get_std_stats_channels(struct net_device *net_dev,
+ u32 sset)
+{
+ const struct dpaa2_eth_priv *priv = netdev_priv(net_dev);
+
+ switch (sset) {
+ case ETH_SS_STATS_XDP:
+ return priv->num_channels;
+ default:
+ return -EOPNOTSUPP;
+ }
+}
+
+static void dpaa2_eth_get_xdp_stats(struct net_device *net_dev,
+ struct ethtool_xdp_stats *xdp_stats)
+{
+ const struct dpaa2_eth_priv *priv = netdev_priv(net_dev);
+ const struct dpaa2_eth_ch_stats *ch_stats;
+ u32 i;
+
+ for (i = 0; i < priv->num_channels; i++) {
+ ch_stats = &priv->channel[i]->stats;
+
+ xdp_stats[i].drop = ch_stats->xdp_drop;
+ xdp_stats[i].redirect = ch_stats->xdp_redirect;
+ xdp_stats[i].tx = ch_stats->xdp_tx;
+ xdp_stats[i].tx_errors = ch_stats->xdp_tx_err;
+ }
+}
+
static int dpaa2_eth_prep_eth_rule(struct ethhdr *eth_value, struct ethhdr *eth_mask,
void *key, void *mask, u64 *fields)
{
@@ -836,4 +862,6 @@ const struct ethtool_ops dpaa2_ethtool_ops = {
.get_ts_info = dpaa2_eth_get_ts_info,
.get_tunable = dpaa2_eth_get_tunable,
.set_tunable = dpaa2_eth_set_tunable,
+ .get_std_stats_channels = dpaa2_eth_get_std_stats_channels,
+ .get_xdp_stats = dpaa2_eth_get_xdp_stats,
};
--
2.31.1
next prev parent reply other threads:[~2021-08-03 16:37 UTC|newest]
Thread overview: 45+ messages / expand[flat|nested] mbox.gz Atom feed top
2021-08-03 16:36 [PATCH net-next 00/21] ethtool, stats: introduce and use standard XDP stats Alexander Lobakin
2021-08-03 16:36 ` [PATCH net-next 01/21] ethtool, stats: use a shorthand pointer in stats_prepare_data() Alexander Lobakin
2021-08-03 16:36 ` [PATCH net-next 02/21] ethtool, stats: add compile-time checks for standard stats Alexander Lobakin
2021-08-03 16:36 ` [PATCH net-next 03/21] ethtool, stats: introduce standard XDP statistics Alexander Lobakin
2021-08-03 20:49 ` Jakub Kicinski
2021-08-03 23:57 ` Saeed Mahameed
2021-08-04 12:36 ` Jakub Kicinski
2021-08-04 15:53 ` Alexander Lobakin
2021-08-04 16:57 ` Jakub Kicinski
2021-08-05 11:18 ` Alexander Lobakin
2021-08-05 13:31 ` Jakub Kicinski
2021-08-04 16:17 ` David Ahern
2021-08-04 16:44 ` Jakub Kicinski
2021-08-04 17:28 ` David Ahern
2021-08-04 18:27 ` Saeed Mahameed
2021-08-05 0:43 ` David Ahern
2021-08-05 2:14 ` Saeed Mahameed
2021-08-12 12:19 ` Jesper Dangaard Brouer
2021-10-26 9:23 ` Alexander Lobakin
2021-11-05 16:44 ` Alexander Lobakin
2021-11-08 11:37 ` Toke Høiland-Jørgensen
2021-11-08 13:21 ` Alexander Lobakin
2021-11-08 18:09 ` Toke Høiland-Jørgensen
2021-08-03 16:36 ` [PATCH net-next 04/21] ethernet, dpaa2: simplify per-channel Ethtool stats counting Alexander Lobakin
2021-08-03 16:36 ` Alexander Lobakin [this message]
2021-08-03 16:36 ` [PATCH net-next 06/21] ethernet, ena: constify src and syncp args of ena_safe_update_stat() Alexander Lobakin
2021-08-03 16:36 ` [PATCH net-next 07/21] ethernet, ena: convert to standard XDP stats Alexander Lobakin
2021-08-04 13:04 ` Shay Agroskin
2021-08-04 15:24 ` Alexander Lobakin
2021-08-03 16:36 ` [PATCH net-next 08/21] ethernet, enetc: " Alexander Lobakin
2021-08-03 16:36 ` [PATCH net-next 09/21] ethernet, mvneta: rename xdp_xmit_err to xdp_xmit_drops Alexander Lobakin
2021-08-03 16:36 ` [PATCH net-next 10/21] ethernet, mvneta: convert to standard XDP stats Alexander Lobakin
2021-08-03 16:36 ` [PATCH net-next 11/21] ethernet, mvpp2: rename xdp_xmit_err to xdp_xmit_drops Alexander Lobakin
2021-08-03 16:36 ` [PATCH net-next 12/21] ethernet, mvpp2: convert to standard XDP stats Alexander Lobakin
2021-08-03 16:36 ` [PATCH net-next 13/21] ethernet, sfc: " Alexander Lobakin
2021-08-03 17:59 ` Edward Cree
2021-08-03 16:36 ` [PATCH net-next 14/21] veth: rename rx_drops to xdp_errors Alexander Lobakin
2021-08-03 16:36 ` [PATCH net-next 15/21] veth: rename xdp_xmit_errors to xdp_xmit_drops Alexander Lobakin
2021-08-03 16:36 ` [PATCH net-next 16/21] veth: rename drop xdp_ suffix from packets and bytes stats Alexander Lobakin
2021-08-03 16:36 ` [PATCH net-next 17/21] veth: convert to standard XDP stats Alexander Lobakin
2021-08-03 16:36 ` [PATCH net-next 18/21] virtio-net: rename xdp_tx{,__drops} SQ stats to xdp_xmit{,__drops} Alexander Lobakin
2021-08-03 16:42 ` Alexander Lobakin
2021-08-03 16:42 ` [PATCH net-next 19/21] virtio-net: don't mix error-caused drops with XDP_DROP cases Alexander Lobakin
2021-08-03 16:42 ` [PATCH net-next 20/21] virtio-net: convert to standard XDP stats Alexander Lobakin
2021-08-03 16:42 ` [PATCH net-next 21/21] Documentation, ethtool-netlink: update standard statistics documentation Alexander Lobakin
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