From: Ben Greear Date: Wed, 19 Jun 2013 21:02:15 +0000 (-0700) Subject: ath9k_htc: Add ethtool stats support. X-Git-Tag: v3.11-rc1~64^2~78^2^2~40 X-Git-Url: http://review.tizen.org/git/?a=commitdiff_plain;h=68185a4b37d8790196c7441cb3020cc489d9835f;p=platform%2Fkernel%2Flinux-stable.git ath9k_htc: Add ethtool stats support. This provides some of the same info found in the ath9k_htc debugfs through the standard ethtool stats API. This logic is only supported when ath9k_htc debugfs kernel feature is enabled, since that is the only time stats are actually gathered. Signed-off-by: Ben Greear Signed-off-by: John W. Linville --- diff --git a/drivers/net/wireless/ath/ath9k/hif_usb.c b/drivers/net/wireless/ath/ath9k/hif_usb.c index f5dda84..9e582e1 100644 --- a/drivers/net/wireless/ath/ath9k/hif_usb.c +++ b/drivers/net/wireless/ath/ath9k/hif_usb.c @@ -234,10 +234,15 @@ static inline void ath9k_skb_queue_complete(struct hif_device_usb *hif_dev, struct sk_buff *skb; while ((skb = __skb_dequeue(queue)) != NULL) { +#ifdef CONFIG_ATH9K_HTC_DEBUGFS + int ln = skb->len; +#endif ath9k_htc_txcompletion_cb(hif_dev->htc_handle, skb, txok); - if (txok) + if (txok) { TX_STAT_INC(skb_success); + TX_STAT_ADD(skb_success_bytes, ln); + } else TX_STAT_INC(skb_failed); } @@ -620,6 +625,7 @@ static void ath9k_hif_usb_rx_stream(struct hif_device_usb *hif_dev, err: for (i = 0; i < pool_index; i++) { + RX_STAT_ADD(skb_completed_bytes, skb_pool[i]->len); ath9k_htc_rx_msg(hif_dev->htc_handle, skb_pool[i], skb_pool[i]->len, USB_WLAN_RX_PIPE); RX_STAT_INC(skb_completed); diff --git a/drivers/net/wireless/ath/ath9k/htc.h b/drivers/net/wireless/ath/ath9k/htc.h index 6bd556d..055d7c2 100644 --- a/drivers/net/wireless/ath/ath9k/htc.h +++ b/drivers/net/wireless/ath/ath9k/htc.h @@ -324,7 +324,9 @@ static inline struct ath9k_htc_tx_ctl *HTC_SKB_CB(struct sk_buff *skb) #ifdef CONFIG_ATH9K_HTC_DEBUGFS #define TX_STAT_INC(c) (hif_dev->htc_handle->drv_priv->debug.tx_stats.c++) +#define TX_STAT_ADD(c, a) (hif_dev->htc_handle->drv_priv->debug.tx_stats.c += a) #define RX_STAT_INC(c) (hif_dev->htc_handle->drv_priv->debug.rx_stats.c++) +#define RX_STAT_ADD(c, a) (hif_dev->htc_handle->drv_priv->debug.rx_stats.c += a) #define CAB_STAT_INC priv->debug.tx_stats.cab_queued++ #define TX_QSTAT_INC(q) (priv->debug.tx_stats.queue_stats[q]++) @@ -337,6 +339,7 @@ struct ath_tx_stats { u32 buf_completed; u32 skb_queued; u32 skb_success; + u32 skb_success_bytes; u32 skb_failed; u32 cab_queued; u32 queue_stats[IEEE80211_NUM_ACS]; @@ -345,6 +348,7 @@ struct ath_tx_stats { struct ath_rx_stats { u32 skb_allocated; u32 skb_completed; + u32 skb_completed_bytes; u32 skb_dropped; u32 err_crc; u32 err_decrypt_crc; @@ -362,10 +366,20 @@ struct ath9k_debug { struct ath_rx_stats rx_stats; }; +void ath9k_htc_get_et_strings(struct ieee80211_hw *hw, + struct ieee80211_vif *vif, + u32 sset, u8 *data); +int ath9k_htc_get_et_sset_count(struct ieee80211_hw *hw, + struct ieee80211_vif *vif, int sset); +void ath9k_htc_get_et_stats(struct ieee80211_hw *hw, + struct ieee80211_vif *vif, + struct ethtool_stats *stats, u64 *data); #else #define TX_STAT_INC(c) do { } while (0) +#define TX_STAT_ADD(c, a) do { } while (0) #define RX_STAT_INC(c) do { } while (0) +#define RX_STAT_ADD(c, a) do { } while (0) #define CAB_STAT_INC do { } while (0) #define TX_QSTAT_INC(c) do { } while (0) diff --git a/drivers/net/wireless/ath/ath9k/htc_drv_debug.c b/drivers/net/wireless/ath/ath9k/htc_drv_debug.c index 632d13d..7416d58 100644 --- a/drivers/net/wireless/ath/ath9k/htc_drv_debug.c +++ b/drivers/net/wireless/ath/ath9k/htc_drv_debug.c @@ -902,6 +902,87 @@ static const struct file_operations fops_modal_eeprom = { .llseek = default_llseek, }; + +/* Ethtool support for get-stats */ +#define AMKSTR(nm) #nm "_BE", #nm "_BK", #nm "_VI", #nm "_VO" +static const char ath9k_htc_gstrings_stats[][ETH_GSTRING_LEN] = { + "tx_pkts_nic", + "tx_bytes_nic", + "rx_pkts_nic", + "rx_bytes_nic", + + AMKSTR(d_tx_pkts), + + "d_rx_crc_err", + "d_rx_decrypt_crc_err", + "d_rx_phy_err", + "d_rx_mic_err", + "d_rx_pre_delim_crc_err", + "d_rx_post_delim_crc_err", + "d_rx_decrypt_busy_err", + + "d_rx_phyerr_radar", + "d_rx_phyerr_ofdm_timing", + "d_rx_phyerr_cck_timing", + +}; +#define ATH9K_HTC_SSTATS_LEN ARRAY_SIZE(ath9k_htc_gstrings_stats) + +void ath9k_htc_get_et_strings(struct ieee80211_hw *hw, + struct ieee80211_vif *vif, + u32 sset, u8 *data) +{ + if (sset == ETH_SS_STATS) + memcpy(data, *ath9k_htc_gstrings_stats, + sizeof(ath9k_htc_gstrings_stats)); +} + +int ath9k_htc_get_et_sset_count(struct ieee80211_hw *hw, + struct ieee80211_vif *vif, int sset) +{ + if (sset == ETH_SS_STATS) + return ATH9K_HTC_SSTATS_LEN; + return 0; +} + +#define STXBASE priv->debug.tx_stats +#define SRXBASE priv->debug.rx_stats +#define ASTXQ(a) \ + data[i++] = STXBASE.a[IEEE80211_AC_BE]; \ + data[i++] = STXBASE.a[IEEE80211_AC_BK]; \ + data[i++] = STXBASE.a[IEEE80211_AC_VI]; \ + data[i++] = STXBASE.a[IEEE80211_AC_VO] + +void ath9k_htc_get_et_stats(struct ieee80211_hw *hw, + struct ieee80211_vif *vif, + struct ethtool_stats *stats, u64 *data) +{ + struct ath9k_htc_priv *priv = hw->priv; + int i = 0; + + data[i++] = STXBASE.skb_success; + data[i++] = STXBASE.skb_success_bytes; + data[i++] = SRXBASE.skb_completed; + data[i++] = SRXBASE.skb_completed_bytes; + + ASTXQ(queue_stats); + + data[i++] = SRXBASE.err_crc; + data[i++] = SRXBASE.err_decrypt_crc; + data[i++] = SRXBASE.err_phy; + data[i++] = SRXBASE.err_mic; + data[i++] = SRXBASE.err_pre_delim; + data[i++] = SRXBASE.err_post_delim; + data[i++] = SRXBASE.err_decrypt_busy; + + data[i++] = SRXBASE.err_phy_stats[ATH9K_PHYERR_RADAR]; + data[i++] = SRXBASE.err_phy_stats[ATH9K_PHYERR_OFDM_TIMING]; + data[i++] = SRXBASE.err_phy_stats[ATH9K_PHYERR_CCK_TIMING]; + + WARN_ON(i != ATH9K_HTC_SSTATS_LEN); +} + + int ath9k_htc_init_debug(struct ath_hw *ah) { struct ath_common *common = ath9k_hw_common(ah); diff --git a/drivers/net/wireless/ath/ath9k/htc_drv_main.c b/drivers/net/wireless/ath/ath9k/htc_drv_main.c index ef68857..be6baf7 100644 --- a/drivers/net/wireless/ath/ath9k/htc_drv_main.c +++ b/drivers/net/wireless/ath/ath9k/htc_drv_main.c @@ -1837,4 +1837,10 @@ struct ieee80211_ops ath9k_htc_ops = { .set_bitrate_mask = ath9k_htc_set_bitrate_mask, .get_stats = ath9k_htc_get_stats, .get_antenna = ath9k_htc_get_antenna, + +#ifdef CONFIG_ATH9K_HTC_DEBUGFS + .get_et_sset_count = ath9k_htc_get_et_sset_count, + .get_et_stats = ath9k_htc_get_et_stats, + .get_et_strings = ath9k_htc_get_et_strings, +#endif };