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Date: Wed, 25 Oct 2017 22:37:35 -0700
From: Felix Manlunas <felix.manlunas@...ium.com>
To: davem@...emloft.net
Cc: netdev@...r.kernel.org, raghu.vatsavayi@...ium.com,
derek.chickles@...ium.com, satananda.burla@...ium.com,
vijaya.guvva@...ium.com
Subject: [PATCH net-next 3/3] liquidio: ethtool support for switchdev ports
From: Vijaya Mohan Guvva <vijaya.guvva@...ium.com>
Added ethtool support for vf representor ports to return port stats and
driver info.
Signed-off-by: Vijaya Mohan Guvva <vijaya.guvva@...ium.com>
Signed-off-by: Satanand Burla <satananda.burla@...ium.com>
Signed-off-by: Raghu Vatsavayi <raghu.vatsavayi@...ium.com>
Signed-off-by: Felix Manlunas <felix.manlunas@...ium.com>
---
drivers/net/ethernet/cavium/liquidio/lio_vf_rep.c | 87 +++++++++++++++++++++++
1 file changed, 87 insertions(+)
diff --git a/drivers/net/ethernet/cavium/liquidio/lio_vf_rep.c b/drivers/net/ethernet/cavium/liquidio/lio_vf_rep.c
index 2207956..92dcf54 100644
--- a/drivers/net/ethernet/cavium/liquidio/lio_vf_rep.c
+++ b/drivers/net/ethernet/cavium/liquidio/lio_vf_rep.c
@@ -26,6 +26,7 @@
#include "octeon_main.h"
#include "octeon_network.h"
#include <net/switchdev.h>
+#include <linux/ethtool.h>
#include "lio_vf_rep.h"
#include "octeon_network.h"
@@ -39,6 +40,91 @@ static void lio_vf_rep_get_stats64(struct net_device *dev,
struct rtnl_link_stats64 *stats64);
static int lio_vf_rep_change_mtu(struct net_device *ndev, int new_mtu);
+static const char lio_vf_rep_stats_strings[][ETH_GSTRING_LEN] = {
+ "rx_packets",
+ "tx_packets",
+ "rx_bytes",
+ "tx_bytes",
+ "rx_dropped",
+ "tx_dropped",
+};
+
+static void
+lio_vf_rep_get_drvinfo(struct net_device *ndev,
+ struct ethtool_drvinfo *drvinfo)
+{
+ struct lio_vf_rep_desc *vf_rep = netdev_priv(ndev);
+ struct octeon_device *oct;
+
+ oct = vf_rep->oct;
+
+ memset(drvinfo, 0, sizeof(struct ethtool_drvinfo));
+ strcpy(drvinfo->driver, "liquidio");
+ strcpy(drvinfo->version, LIQUIDIO_VERSION);
+ strncpy(drvinfo->fw_version, oct->fw_info.liquidio_firmware_version,
+ ETHTOOL_FWVERS_LEN);
+}
+
+static void
+lio_vf_rep_get_ethtool_stats(struct net_device *ndev,
+ struct ethtool_stats *stats,
+ u64 *data)
+{
+ struct rtnl_link_stats64 *stats_ptr, net_stats;
+ int i = 0;
+
+ stats_ptr = dev_get_stats(ndev, &net_stats);
+
+ data[i++] = stats_ptr->rx_packets;
+ data[i++] = stats_ptr->tx_packets;
+ data[i++] = stats_ptr->rx_bytes;
+ data[i++] = stats_ptr->tx_bytes;
+ data[i++] = stats_ptr->rx_dropped;
+ data[i++] = stats_ptr->tx_dropped;
+}
+
+static int
+lio_vf_rep_get_sset_count(struct net_device *ndev, int sset)
+{
+ switch (sset) {
+ case ETH_SS_STATS:
+ return ARRAY_SIZE(lio_vf_rep_stats_strings);
+
+ default:
+ return -EOPNOTSUPP;
+ }
+}
+
+static void
+lio_vf_rep_get_strings(struct net_device *ndev, u32 stringset, u8 *data)
+{
+ struct lio_vf_rep_desc *vf_rep = netdev_priv(ndev);
+ struct octeon_device *oct = vf_rep->oct;
+ int i, num_stats;
+
+ switch (stringset) {
+ case ETH_SS_STATS:
+ num_stats = ARRAY_SIZE(lio_vf_rep_stats_strings);
+ for (i = 0; i < num_stats; i++) {
+ sprintf(data, "%s", lio_vf_rep_stats_strings[i]);
+ data += ETH_GSTRING_LEN;
+ }
+ break;
+
+ default:
+ dev_err(&oct->pci_dev->dev, "Unknown Stringset !!\n");
+ break;
+ }
+}
+
+static const struct ethtool_ops lio_vf_rep_ethtool_ops = {
+ .get_drvinfo = lio_vf_rep_get_drvinfo,
+ .get_link = ethtool_op_get_link,
+ .get_strings = lio_vf_rep_get_strings,
+ .get_sset_count = lio_vf_rep_get_sset_count,
+ .get_ethtool_stats = lio_vf_rep_get_ethtool_stats,
+};
+
static const struct net_device_ops lio_vf_rep_ndev_ops = {
.ndo_open = lio_vf_rep_open,
.ndo_stop = lio_vf_rep_stop,
@@ -537,6 +623,7 @@ lio_vf_rep_create(struct octeon_device *oct)
ndev->max_mtu = LIO_MAX_MTU_SIZE;
ndev->netdev_ops = &lio_vf_rep_ndev_ops;
SWITCHDEV_SET_OPS(ndev, &lio_vf_rep_switchdev_ops);
+ ndev->ethtool_ops = &lio_vf_rep_ethtool_ops;
vf_rep = netdev_priv(ndev);
memset(vf_rep, 0, sizeof(*vf_rep));
--
2.9.0
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