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ath6kl: implement ethtool stats

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This supports a way to get target stats through normal
ethtool stats API.

For instance:
# ethtool -S wlan1
NIC statistics:
     tx_pkts_nic: 353
     tx_bytes_nic: 25142
     rx_pkts_nic: 6
     rx_bytes_nic: 996
     d_tx_ucast_pkts: 89
     d_tx_bcast_pkts: 264
     d_tx_ucast_bytes: 3020
     d_tx_bcast_bytes: 22122
...

Signed-off-by: Ben Greear <greearb@candelatech.com>
Signed-off-by: Kalle Valo <kvalo@qca.qualcomm.com>
This commit is contained in:
Ben Greear 2015-10-22 09:07:39 -07:00 committed by Kalle Valo
parent 0370248379
commit 13eff53113
1 changed files with 123 additions and 0 deletions
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123
drivers/net/wireless/ath/ath6kl/cfg80211.c
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@ -3644,6 +3644,127 @@ void ath6kl_cfg80211_vif_cleanup(struct ath6kl_vif *vif)
ar->num_vif--;
}
static const char ath6kl_gstrings_sta_stats[][ETH_GSTRING_LEN] = {
/* Common stats names used by many drivers. */
"tx_pkts_nic", "tx_bytes_nic", "rx_pkts_nic", "rx_bytes_nic",
/* TX stats. */
"d_tx_ucast_pkts", "d_tx_bcast_pkts",
"d_tx_ucast_bytes", "d_tx_bcast_bytes",
"d_tx_rts_ok", "d_tx_error", "d_tx_fail",
"d_tx_retry", "d_tx_multi_retry", "d_tx_rts_fail",
"d_tx_tkip_counter_measures",
/* RX Stats. */
"d_rx_ucast_pkts", "d_rx_ucast_rate", "d_rx_bcast_pkts",
"d_rx_ucast_bytes", "d_rx_bcast_bytes", "d_rx_frag_pkt",
"d_rx_error", "d_rx_crc_err", "d_rx_keycache_miss",
"d_rx_decrypt_crc_err", "d_rx_duplicate_frames",
"d_rx_mic_err", "d_rx_tkip_format_err", "d_rx_ccmp_format_err",
"d_rx_ccmp_replay_err",
/* Misc stats. */
"d_beacon_miss", "d_num_connects", "d_num_disconnects",
"d_beacon_avg_rssi", "d_arp_received", "d_arp_matched",
"d_arp_replied"
};
#define ATH6KL_STATS_LEN ARRAY_SIZE(ath6kl_gstrings_sta_stats)
static int ath6kl_get_sset_count(struct net_device *dev, int sset)
{
int rv = 0;
if (sset == ETH_SS_STATS)
rv += ATH6KL_STATS_LEN;
if (rv == 0)
return -EOPNOTSUPP;
return rv;
}
static void ath6kl_get_stats(struct net_device *dev,
struct ethtool_stats *stats,
u64 *data)
{
struct ath6kl_vif *vif = netdev_priv(dev);
struct ath6kl *ar = vif->ar;
int i = 0;
struct target_stats *tgt_stats;
memset(data, 0, sizeof(u64) * ATH6KL_STATS_LEN);
ath6kl_read_tgt_stats(ar, vif);
tgt_stats = &vif->target_stats;
data[i++] = tgt_stats->tx_ucast_pkt + tgt_stats->tx_bcast_pkt;
data[i++] = tgt_stats->tx_ucast_byte + tgt_stats->tx_bcast_byte;
data[i++] = tgt_stats->rx_ucast_pkt + tgt_stats->rx_bcast_pkt;
data[i++] = tgt_stats->rx_ucast_byte + tgt_stats->rx_bcast_byte;
data[i++] = tgt_stats->tx_ucast_pkt;
data[i++] = tgt_stats->tx_bcast_pkt;
data[i++] = tgt_stats->tx_ucast_byte;
data[i++] = tgt_stats->tx_bcast_byte;
data[i++] = tgt_stats->tx_rts_success_cnt;
data[i++] = tgt_stats->tx_err;
data[i++] = tgt_stats->tx_fail_cnt;
data[i++] = tgt_stats->tx_retry_cnt;
data[i++] = tgt_stats->tx_mult_retry_cnt;
data[i++] = tgt_stats->tx_rts_fail_cnt;
data[i++] = tgt_stats->tkip_cnter_measures_invoked;
data[i++] = tgt_stats->rx_ucast_pkt;
data[i++] = tgt_stats->rx_ucast_rate;
data[i++] = tgt_stats->rx_bcast_pkt;
data[i++] = tgt_stats->rx_ucast_byte;
data[i++] = tgt_stats->rx_bcast_byte;
data[i++] = tgt_stats->rx_frgment_pkt;
data[i++] = tgt_stats->rx_err;
data[i++] = tgt_stats->rx_crc_err;
data[i++] = tgt_stats->rx_key_cache_miss;
data[i++] = tgt_stats->rx_decrypt_err;
data[i++] = tgt_stats->rx_dupl_frame;
data[i++] = tgt_stats->tkip_local_mic_fail;
data[i++] = tgt_stats->tkip_fmt_err;
data[i++] = tgt_stats->ccmp_fmt_err;
data[i++] = tgt_stats->ccmp_replays;
data[i++] = tgt_stats->cs_bmiss_cnt;
data[i++] = tgt_stats->cs_connect_cnt;
data[i++] = tgt_stats->cs_discon_cnt;
data[i++] = tgt_stats->cs_ave_beacon_rssi;
data[i++] = tgt_stats->arp_received;
data[i++] = tgt_stats->arp_matched;
data[i++] = tgt_stats->arp_replied;
if (i != ATH6KL_STATS_LEN) {
WARN_ON_ONCE(1);
ath6kl_err("ethtool stats error, i: %d STATS_LEN: %d\n",
i, (int)ATH6KL_STATS_LEN);
}
}
/* These stats are per NIC, not really per vdev, so we just ignore dev. */
static void ath6kl_get_strings(struct net_device *dev, u32 sset, u8 *data)
{
int sz_sta_stats = 0;
if (sset == ETH_SS_STATS) {
sz_sta_stats = sizeof(ath6kl_gstrings_sta_stats);
memcpy(data, ath6kl_gstrings_sta_stats, sz_sta_stats);
}
}
static const struct ethtool_ops ath6kl_ethtool_ops = {
.get_drvinfo = cfg80211_get_drvinfo,
.get_link = ethtool_op_get_link,
.get_strings = ath6kl_get_strings,
.get_ethtool_stats = ath6kl_get_stats,
.get_sset_count = ath6kl_get_sset_count,
};
struct wireless_dev *ath6kl_interface_add(struct ath6kl *ar, const char *name,
unsigned char name_assign_type,
enum nl80211_iftype type,
@ -3689,6 +3810,8 @@ struct wireless_dev *ath6kl_interface_add(struct ath6kl *ar, const char *name,
if (ath6kl_cfg80211_vif_init(vif))
goto err;
netdev_set_default_ethtool_ops(ndev, &ath6kl_ethtool_ops);
if (register_netdevice(ndev))
goto err;