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Date: Tue, 10 Jul 2012 15:16:05 +0300
From: Or Gerlitz <ogerlitz@...lanox.com>
To: davem@...emloft.net
Cc: roland@...nel.org, netdev@...r.kernel.org, ali@...lanox.com,
sean.hefty@...el.com, Erez Shitrit <erezsh@...lanox.co.il>,
Or Gerlitz <ogerlitz@...lanox.com>
Subject: [PATCH net-next 5/9] net/eipoib: Add ethtool file support
From: Erez Shitrit <erezsh@...lanox.co.il>
Via ethtool the driver describes its version, ABI version, on what PIF
interface it runs and various statistics.
Signed-off-by: Erez Shitrit <erezsh@...lanox.co.il>
Signed-off-by: Or Gerlitz <ogerlitz@...lanox.com>
---
drivers/net/eipoib/eth_ipoib_ethtool.c | 147 ++++++++++++++++++++++++++++++++
1 files changed, 147 insertions(+), 0 deletions(-)
create mode 100644 drivers/net/eipoib/eth_ipoib_ethtool.c
diff --git a/drivers/net/eipoib/eth_ipoib_ethtool.c b/drivers/net/eipoib/eth_ipoib_ethtool.c
new file mode 100644
index 0000000..b5c20ec
--- /dev/null
+++ b/drivers/net/eipoib/eth_ipoib_ethtool.c
@@ -0,0 +1,147 @@
+/*
+ * Copyright (c) 2012 Mellanox Technologies. All rights reserved
+ *
+ * This software is available to you under a choice of one of two
+ * licenses. You may choose to be licensed under the terms of the GNU
+ * General Public License (GPL) Version 2, available from the file
+ * COPYING in the main directory of this source tree, or the
+ * openfabric.org BSD license below:
+ *
+ * Redistribution and use in source and binary forms, with or
+ * without modification, are permitted provided that the following
+ * conditions are met:
+ *
+ * - Redistributions of source code must retain the above
+ * copyright notice, this list of conditions and the following
+ * disclaimer.
+ *
+ * - Redistributions in binary form must reproduce the above
+ * copyright notice, this list of conditions and the following
+ * disclaimer in the documentation and/or other materials
+ * provided with the distribution.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
+ * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
+ * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
+ * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS
+ * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN
+ * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
+ * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+ * SOFTWARE.
+ */
+
+#include "eth_ipoib.h"
+
+static void parent_ethtool_get_drvinfo(struct net_device *parent_dev,
+ struct ethtool_drvinfo *drvinfo)
+{
+ struct parent *parent = netdev_priv(parent_dev);
+
+ if (strlen(DRV_NAME) + strlen(parent->ipoib_main_interface) > 31)
+ strncpy(drvinfo->driver, "driver name is too long", 32);
+ else
+ sprintf(drvinfo->driver, "%s:%s",
+ DRV_NAME, parent->ipoib_main_interface);
+
+ strncpy(drvinfo->version, DRV_VERSION, 32);
+
+ /* indicates ABI version */
+ snprintf(drvinfo->fw_version, 32, "%d", EIPOIB_ABI_VER);
+}
+
+static const char parent_strings[][ETH_GSTRING_LEN] = {
+ /* public statistics */
+ "rx_packets", "tx_packets", "rx_bytes",
+ "tx_bytes", "rx_errors", "tx_errors",
+ "rx_dropped", "tx_dropped", "multicast",
+ "collisions", "rx_length_errors", "rx_over_errors",
+ "rx_crc_errors", "rx_frame_errors", "rx_fifo_errors",
+ "rx_missed_errors", "tx_aborted_errors", "tx_carrier_errors",
+ "tx_fifo_errors", "tx_heartbeat_errors", "tx_window_errors",
+#define PUB_STATS_LEN 21
+
+ /* private statistics */
+ "tx_parent_dropped",
+ "tx_vif_miss",
+ "tx_neigh_miss",
+ "tx_vlan",
+ "tx_shared",
+ "tx_proto_errors",
+ "tx_skb_errors",
+ "tx_slave_err",
+
+ "rx_parent_dropped",
+ "rx_vif_miss",
+ "rx_neigh_miss",
+ "rx_vlan",
+ "rx_shared",
+ "rx_proto_errors",
+ "rx_skb_errors",
+ "rx_slave_err",
+#define PORT_STATS_LEN (8 * 2)
+
+};
+
+#define PARENT_STATS_LEN (sizeof(parent_strings) / ETH_GSTRING_LEN)
+
+static void parent_get_strings(struct net_device *parent_dev,
+ uint32_t stringset, uint8_t *data)
+{
+ int index = 0, stats_off = 0, i;
+
+ if (stringset != ETH_SS_STATS)
+ return;
+
+ /* Add main counters */
+ for (i = 0; i < PUB_STATS_LEN; i++)
+ strcpy(data + (index++) * ETH_GSTRING_LEN,
+ parent_strings[i + stats_off]);
+ stats_off += PUB_STATS_LEN;
+
+ for (i = 0; i < PORT_STATS_LEN; i++)
+ strcpy(data + (index++) * ETH_GSTRING_LEN,
+ parent_strings[i + stats_off]);
+ stats_off += PORT_STATS_LEN;
+
+}
+
+static void parent_get_ethtool_stats(struct net_device *parent_dev,
+ struct ethtool_stats *stats,
+ uint64_t *data)
+{
+ struct parent *parent = netdev_priv(parent_dev);
+ int index = 0, i;
+
+ read_lock(&parent->lock);
+
+ for (i = 0; i < PUB_STATS_LEN; i++)
+ data[index++] = ((unsigned long *) &parent->stats)[i];
+
+ for (i = 0; i < PORT_STATS_LEN; i++)
+ data[index++] = ((unsigned long *) &parent->port_stats)[i];
+
+ read_unlock(&parent->lock);
+}
+
+static int parent_get_sset_count(struct net_device *parent_dev, int sset)
+{
+ switch (sset) {
+ case ETH_SS_STATS:
+ return PARENT_STATS_LEN;
+ default:
+ return -EOPNOTSUPP;
+ }
+}
+
+static const struct ethtool_ops parent_ethtool_ops = {
+ .get_drvinfo = parent_ethtool_get_drvinfo,
+ .get_strings = parent_get_strings,
+ .get_ethtool_stats = parent_get_ethtool_stats,
+ .get_sset_count = parent_get_sset_count,
+ .get_link = ethtool_op_get_link,
+};
+
+void parent_set_ethtool_ops(struct net_device *dev)
+{
+ SET_ETHTOOL_OPS(dev, &parent_ethtool_ops);
+}
--
1.7.1
--
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