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[PATCH] Spidernet: add ethtool -S (show statistics)

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Add the ethtool -S (show statistics) feature to the Spidernet ethernet
driver.  I have tested it extensively and believe it is ready to be
applied.

Signed-off-by: James K Lewis <jklewis@us.ibm.com>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Jeff Garzik <jeff@garzik.org>
This commit is contained in:
Jim Lewis
2006-09-22 17:22:53 -07:00
committed by Jeff Garzik
parent 78cc3b78c4
commit 9b6b0b81f0
3 changed files with 74 additions and 2 deletions
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55
drivers/net/spider_net_ethtool.c
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@@ -27,6 +27,27 @@
#include "spider_net.h"
#define SPIDER_NET_NUM_STATS 13
static struct {
const char str[ETH_GSTRING_LEN];
} ethtool_stats_keys[] = {
{ "tx_packets" },
{ "tx_bytes" },
{ "rx_packets" },
{ "rx_bytes" },
{ "tx_errors" },
{ "tx_dropped" },
{ "rx_dropped" },
{ "rx_descriptor_error" },
{ "tx_timeouts" },
{ "alloc_rx_skb_error" },
{ "rx_iommu_map_error" },
{ "tx_iommu_map_error" },
{ "rx_desc_unk_state" },
};
static int
spider_net_ethtool_get_settings(struct net_device *netdev,
struct ethtool_cmd *cmd)
@@ -142,6 +163,37 @@ spider_net_ethtool_get_ringparam(struct net_device *netdev,
ering->rx_pending = card->rx_desc;
}
static int spider_net_get_stats_count(struct net_device *netdev)
{
return SPIDER_NET_NUM_STATS;
}
static void spider_net_get_ethtool_stats(struct net_device *netdev,
struct ethtool_stats *stats, u64 *data)
{
struct spider_net_card *card = netdev->priv;
data[0] = card->netdev_stats.tx_packets;
data[1] = card->netdev_stats.tx_bytes;
data[2] = card->netdev_stats.rx_packets;
data[3] = card->netdev_stats.rx_bytes;
data[4] = card->netdev_stats.tx_errors;
data[5] = card->netdev_stats.tx_dropped;
data[6] = card->netdev_stats.rx_dropped;
data[7] = card->spider_stats.rx_desc_error;
data[8] = card->spider_stats.tx_timeouts;
data[9] = card->spider_stats.alloc_rx_skb_error;
data[10] = card->spider_stats.rx_iommu_map_error;
data[11] = card->spider_stats.tx_iommu_map_error;
data[12] = card->spider_stats.rx_desc_unk_state;
}
static void spider_net_get_strings(struct net_device *netdev, u32 stringset,
u8 *data)
{
memcpy(data, ethtool_stats_keys, sizeof(ethtool_stats_keys));
}
const struct ethtool_ops spider_net_ethtool_ops = {
.get_settings = spider_net_ethtool_get_settings,
.get_drvinfo = spider_net_ethtool_get_drvinfo,
@@ -154,5 +206,8 @@ const struct ethtool_ops spider_net_ethtool_ops = {
.get_tx_csum = spider_net_ethtool_get_tx_csum,
.set_tx_csum = spider_net_ethtool_set_tx_csum,
.get_ringparam = spider_net_ethtool_get_ringparam,
.get_strings = spider_net_get_strings,
.get_stats_count = spider_net_get_stats_count,
.get_ethtool_stats = spider_net_get_ethtool_stats,
};