From: Ben Greear Date: Thu, 22 Oct 2015 16:07:39 +0000 (-0700) Subject: ath6kl: implement ethtool stats X-Git-Tag: MMI-PSA29.97-13-9~8298^2~523^2~1^2~37 X-Git-Url: https://git.stricted.de/?a=commitdiff_plain;h=13eff5311382cb109725363026cdb4717714bf65;p=GitHub%2FMotorolaMobilityLLC%2Fkernel-slsi.git ath6kl: implement ethtool stats 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 Signed-off-by: Kalle Valo --- diff --git a/drivers/net/wireless/ath/ath6kl/cfg80211.c b/drivers/net/wireless/ath/ath6kl/cfg80211.c index 7a67e57f55ee..81ac8c59f0ec 100644 --- a/drivers/net/wireless/ath/ath6kl/cfg80211.c +++ b/drivers/net/wireless/ath/ath6kl/cfg80211.c @@ -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;