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Message-Id: <1440145778-15941-22-git-send-email-izumi.taku@jp.fujitsu.com>
Date: Fri, 21 Aug 2015 17:29:38 +0900
From: Taku Izumi <izumi.taku@...fujitsu.com>
To: netdev@...r.kernel.org, davem@...emloft.net
Cc: platform-driver-x86@...r.kernel.org, dvhart@...radead.org,
rkhan@...hat.com, alexander.h.duyck@...hat.com,
linux-acpi@...r.kernel.org, joe@...ches.com,
sergei.shtylyov@...entembedded.com, stephen@...workplumber.org,
yasu.isimatu@...il.com, Taku Izumi <izumi.taku@...fujitsu.com>
Subject: [PATCH v3 22/22] fjes: ethtool support
This patch adds implementation for ethtool support.
Signed-off-by: Taku Izumi <izumi.taku@...fujitsu.com>
---
drivers/net/fjes/Makefile | 2 +-
drivers/net/fjes/fjes.h | 2 +
drivers/net/fjes/fjes_ethtool.c | 137 ++++++++++++++++++++++++++++++++++++++++
drivers/net/fjes/fjes_main.c | 1 +
4 files changed, 141 insertions(+), 1 deletion(-)
create mode 100644 drivers/net/fjes/fjes_ethtool.c
diff --git a/drivers/net/fjes/Makefile b/drivers/net/fjes/Makefile
index 753d52f..523e3d7 100644
--- a/drivers/net/fjes/Makefile
+++ b/drivers/net/fjes/Makefile
@@ -27,4 +27,4 @@
obj-$(CONFIG_FUJITSU_ES) += fjes.o
-fjes-objs := fjes_main.o fjes_hw.o
+fjes-objs := fjes_main.o fjes_hw.o fjes_ethtool.o
diff --git a/drivers/net/fjes/fjes.h b/drivers/net/fjes/fjes.h
index 57feee8..a592fe2 100644
--- a/drivers/net/fjes/fjes.h
+++ b/drivers/net/fjes/fjes.h
@@ -72,4 +72,6 @@ extern char fjes_driver_name[];
extern char fjes_driver_version[];
extern const u32 fjes_support_mtu[];
+void fjes_set_ethtool_ops(struct net_device *);
+
#endif /* FJES_H_ */
diff --git a/drivers/net/fjes/fjes_ethtool.c b/drivers/net/fjes/fjes_ethtool.c
new file mode 100644
index 0000000..0119dd1
--- /dev/null
+++ b/drivers/net/fjes/fjes_ethtool.c
@@ -0,0 +1,137 @@
+/*
+ * FUJITSU Extended Socket Network Device driver
+ * Copyright (c) 2015 FUJITSU LIMITED
+ *
+ * This program is free software; you can redistribute it and/or modify it
+ * under the terms and conditions of the GNU General Public License,
+ * version 2, as published by the Free Software Foundation.
+ *
+ * This program is distributed in the hope it will be useful, but WITHOUT
+ * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
+ * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
+ * more details.
+ *
+ * You should have received a copy of the GNU General Public License along with
+ * this program; if not, see <http://www.gnu.org/licenses/>.
+ *
+ * The full GNU General Public License is included in this distribution in
+ * the file called "COPYING".
+ *
+ */
+
+/* ethtool support for fjes */
+
+#include <linux/vmalloc.h>
+#include <linux/netdevice.h>
+#include <linux/ethtool.h>
+#include <linux/platform_device.h>
+
+#include "fjes.h"
+
+struct fjes_stats {
+ char stat_string[ETH_GSTRING_LEN];
+ int sizeof_stat;
+ int stat_offset;
+};
+
+#define FJES_STAT(name, stat) { \
+ .stat_string = name, \
+ .sizeof_stat = FIELD_SIZEOF(struct fjes_adapter, stat), \
+ .stat_offset = offsetof(struct fjes_adapter, stat) \
+}
+
+static const struct fjes_stats fjes_gstrings_stats[] = {
+ FJES_STAT("rx_packets", stats64.rx_packets),
+ FJES_STAT("tx_packets", stats64.tx_packets),
+ FJES_STAT("rx_bytes", stats64.rx_bytes),
+ FJES_STAT("tx_bytes", stats64.rx_bytes),
+ FJES_STAT("rx_dropped", stats64.rx_dropped),
+ FJES_STAT("tx_dropped", stats64.tx_dropped),
+};
+
+static void fjes_get_ethtool_stats(struct net_device *netdev,
+ struct ethtool_stats *stats, u64 *data)
+{
+ struct fjes_adapter *adapter = netdev_priv(netdev);
+ char *p;
+ int i;
+
+ for (i = 0; i < ARRAY_SIZE(fjes_gstrings_stats); i++) {
+ p = (char *)adapter + fjes_gstrings_stats[i].stat_offset;
+ data[i] = (fjes_gstrings_stats[i].sizeof_stat == sizeof(u64))
+ ? *(u64 *)p : *(u32 *)p;
+ }
+}
+
+static void fjes_get_strings(struct net_device *netdev,
+ u32 stringset, u8 *data)
+{
+ u8 *p = data;
+ int i;
+
+ switch (stringset) {
+ case ETH_SS_STATS:
+ for (i = 0; i < ARRAY_SIZE(fjes_gstrings_stats); i++) {
+ memcpy(p, fjes_gstrings_stats[i].stat_string,
+ ETH_GSTRING_LEN);
+ p += ETH_GSTRING_LEN;
+ }
+ break;
+ }
+}
+
+static int fjes_get_sset_count(struct net_device *netdev, int sset)
+{
+ switch (sset) {
+ case ETH_SS_STATS:
+ return ARRAY_SIZE(fjes_gstrings_stats);
+ default:
+ return -EOPNOTSUPP;
+ }
+}
+
+static void fjes_get_drvinfo(struct net_device *netdev,
+ struct ethtool_drvinfo *drvinfo)
+{
+ struct fjes_adapter *adapter = netdev_priv(netdev);
+ struct platform_device *plat_dev;
+
+ plat_dev = adapter->plat_dev;
+
+ strlcpy(drvinfo->driver, fjes_driver_name, sizeof(drvinfo->driver));
+ strlcpy(drvinfo->version, fjes_driver_version,
+ sizeof(drvinfo->version));
+
+ strlcpy(drvinfo->fw_version, "none", sizeof(drvinfo->fw_version));
+ snprintf(drvinfo->bus_info, sizeof(drvinfo->bus_info),
+ "platform:%s", plat_dev->name);
+ drvinfo->regdump_len = 0;
+ drvinfo->eedump_len = 0;
+}
+
+static int fjes_get_settings(struct net_device *netdev,
+ struct ethtool_cmd *ecmd)
+{
+ ecmd->supported = 0;
+ ecmd->advertising = 0;
+ ecmd->duplex = DUPLEX_FULL;
+ ecmd->autoneg = AUTONEG_DISABLE;
+ ecmd->transceiver = XCVR_DUMMY1;
+ ecmd->port = PORT_NONE;
+ ethtool_cmd_speed_set(ecmd, 20000); /* 20Gb/s */
+
+ return 0;
+}
+
+static const struct ethtool_ops fjes_ethtool_ops = {
+ .get_settings = fjes_get_settings,
+ .get_drvinfo = fjes_get_drvinfo,
+ .get_ethtool_stats = fjes_get_ethtool_stats,
+ .get_strings = fjes_get_strings,
+ .get_sset_count = fjes_get_sset_count,
+};
+
+void fjes_set_ethtool_ops(struct net_device *netdev)
+{
+ netdev->ethtool_ops = &fjes_ethtool_ops;
+}
diff --git a/drivers/net/fjes/fjes_main.c b/drivers/net/fjes/fjes_main.c
index 5f93e42..0ddb54f 100644
--- a/drivers/net/fjes/fjes_main.c
+++ b/drivers/net/fjes/fjes_main.c
@@ -1202,6 +1202,7 @@ static void fjes_netdev_setup(struct net_device *netdev)
netdev->watchdog_timeo = FJES_TX_RETRY_INTERVAL;
netdev->netdev_ops = &fjes_netdev_ops;
+ fjes_set_ethtool_ops(netdev);
netdev->mtu = fjes_support_mtu[0];
netdev->flags |= IFF_BROADCAST;
netdev->features |= NETIF_F_HW_CSUM | NETIF_F_HW_VLAN_CTAG_FILTER;
--
1.8.3.1
--
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