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net: hns3: Add packet statistics of netdev 

Add packet statistics of netdev for ethtool -S, in
order to show the statistics data for current net
device.

Remove update_stats() calling because it has been
completed in hns3_get_netdev_stats().

Signed-off-by: Jian Shen <shenjian15@huawei.com>
Signed-off-by: Peng Li <lipeng321@huawei.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Jian Shen 2018-01-05 18:18:16 +08:00 committed by David S. Miller
parent b59f558c6a
commit 8491000754
1 changed files with 79 additions and 1 deletions
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80
drivers/net/ethernet/hisilicon/hns3/hns3_ethtool.c
View File

@ -59,6 +59,41 @@ static const struct hns3_stats hns3_rxq_stats[] = {
#define HNS3_TQP_STATS_COUNT (HNS3_TXQ_STATS_COUNT + HNS3_RXQ_STATS_COUNT)
/* netdev stats */
#define HNS3_NETDEV_STAT(_string, _member) { \
.stats_string = _string, \
.stats_offset = offsetof(struct rtnl_link_stats64, _member) \
}
static const struct hns3_stats hns3_netdev_stats[] = {
/* Rx per-queue statistics */
HNS3_NETDEV_STAT("rx_packets", rx_packets),
HNS3_NETDEV_STAT("tx_packets", tx_packets),
HNS3_NETDEV_STAT("rx_bytes", rx_bytes),
HNS3_NETDEV_STAT("tx_bytes", tx_bytes),
HNS3_NETDEV_STAT("rx_errors", rx_errors),
HNS3_NETDEV_STAT("tx_errors", tx_errors),
HNS3_NETDEV_STAT("rx_dropped", rx_dropped),
HNS3_NETDEV_STAT("tx_dropped", tx_dropped),
HNS3_NETDEV_STAT("multicast", multicast),
HNS3_NETDEV_STAT("collisions", collisions),
HNS3_NETDEV_STAT("rx_length_errors", rx_length_errors),
HNS3_NETDEV_STAT("rx_over_errors", rx_over_errors),
HNS3_NETDEV_STAT("rx_crc_errors", rx_crc_errors),
HNS3_NETDEV_STAT("rx_frame_errors", rx_frame_errors),
HNS3_NETDEV_STAT("rx_fifo_errors", rx_fifo_errors),
HNS3_NETDEV_STAT("rx_missed_errors", rx_missed_errors),
HNS3_NETDEV_STAT("tx_aborted_errors", tx_aborted_errors),
HNS3_NETDEV_STAT("tx_carrier_errors", tx_carrier_errors),
HNS3_NETDEV_STAT("tx_fifo_errors", tx_fifo_errors),
HNS3_NETDEV_STAT("tx_heartbeat_errors", tx_heartbeat_errors),
HNS3_NETDEV_STAT("tx_window_errors", tx_window_errors),
HNS3_NETDEV_STAT("rx_compressed", rx_compressed),
HNS3_NETDEV_STAT("tx_compressed", tx_compressed),
};
#define HNS3_NETDEV_STATS_COUNT ARRAY_SIZE(hns3_netdev_stats)
#define HNS3_SELF_TEST_TPYE_NUM 1
#define HNS3_NIC_LB_TEST_PKT_NUM 1
#define HNS3_NIC_LB_TEST_RING_ID 0
@ -431,6 +466,27 @@ static u8 *hns3_get_strings_tqps(struct hnae3_handle *handle, u8 *data)
return data;
}
static u8 *hns3_netdev_stats_get_strings(u8 *data)
{
int i;
/* get strings for netdev */
for (i = 0; i < HNS3_NETDEV_STATS_COUNT; i++) {
snprintf(data, ETH_GSTRING_LEN,
hns3_netdev_stats[i].stats_string);
data += ETH_GSTRING_LEN;
}
snprintf(data, ETH_GSTRING_LEN, "netdev_rx_dropped");
data += ETH_GSTRING_LEN;
snprintf(data, ETH_GSTRING_LEN, "netdev_tx_dropped");
data += ETH_GSTRING_LEN;
snprintf(data, ETH_GSTRING_LEN, "netdev_tx_timeout");
data += ETH_GSTRING_LEN;
return data;
}
static void hns3_get_strings(struct net_device *netdev, u32 stringset, u8 *data)
{
struct hnae3_handle *h = hns3_get_handle(netdev);
@ -442,6 +498,7 @@ static void hns3_get_strings(struct net_device *netdev, u32 stringset, u8 *data)
switch (stringset) {
case ETH_SS_STATS:
buff = hns3_netdev_stats_get_strings(buff);
buff = hns3_get_strings_tqps(h, buff);
h->ae_algo->ops->get_strings(h, stringset, (u8 *)buff);
break;
@ -480,6 +537,27 @@ static u64 *hns3_get_stats_tqps(struct hnae3_handle *handle, u64 *data)
return data;
}
static u64 *hns3_get_netdev_stats(struct net_device *netdev, u64 *data)
{
struct hns3_nic_priv *priv = netdev_priv(netdev);
const struct rtnl_link_stats64 *net_stats;
struct rtnl_link_stats64 temp;
u8 *stat;
int i;
net_stats = dev_get_stats(netdev, &temp);
for (i = 0; i < HNS3_NETDEV_STATS_COUNT; i++) {
stat = (u8 *)net_stats + hns3_netdev_stats[i].stats_offset;
*data++ = *(u64 *)stat;
}
*data++ = netdev->rx_dropped.counter;
*data++ = netdev->tx_dropped.counter;
*data++ = priv->tx_timeout_count;
return data;
}
/* hns3_get_stats - get detail statistics.
* @netdev: net device
* @stats: statistics info.
@ -496,7 +574,7 @@ static void hns3_get_stats(struct net_device *netdev,
return;
}
h->ae_algo->ops->update_stats(h, &netdev->stats);
p = hns3_get_netdev_stats(netdev, p);
/* get per-queue stats */
p = hns3_get_stats_tqps(h, p);