diff options
| -rw-r--r-- | drivers/net/wireless/rt2x00/rt2800.h | 10 | ||||
| -rw-r--r-- | drivers/net/wireless/rt2x00/rt2800lib.c | 49 | ||||
| -rw-r--r-- | drivers/net/wireless/rt2x00/rt2800lib.h | 2 | ||||
| -rw-r--r-- | drivers/net/wireless/rt2x00/rt2800pci.c | 1 | ||||
| -rw-r--r-- | drivers/net/wireless/rt2x00/rt2800usb.c | 1 |
5 files changed, 63 insertions, 0 deletions
diff --git a/drivers/net/wireless/rt2x00/rt2800.h b/drivers/net/wireless/rt2x00/rt2800.h index 9dcbf87156b..03f9fa15e15 100644 --- a/drivers/net/wireless/rt2x00/rt2800.h +++ b/drivers/net/wireless/rt2x00/rt2800.h @@ -699,8 +699,18 @@ /* * CH_TIME_CFG: count as channel busy + * EIFS_BUSY: Count EIFS as channel busy + * NAV_BUSY: Count NAS as channel busy + * RX_BUSY: Count RX as channel busy + * TX_BUSY: Count TX as channel busy + * TMR_EN: Enable channel statistics timer */ #define CH_TIME_CFG 0x110c +#define CH_TIME_CFG_EIFS_BUSY FIELD32(0x00000010) +#define CH_TIME_CFG_NAV_BUSY FIELD32(0x00000008) +#define CH_TIME_CFG_RX_BUSY FIELD32(0x00000004) +#define CH_TIME_CFG_TX_BUSY FIELD32(0x00000002) +#define CH_TIME_CFG_TMR_EN FIELD32(0x00000001) /* * PBF_LIFE_TIMER: TX/RX MPDU timestamp timer (free run) Unit: 1us diff --git a/drivers/net/wireless/rt2x00/rt2800lib.c b/drivers/net/wireless/rt2x00/rt2800lib.c index 9b592d9481b..b7de1a50448 100644 --- a/drivers/net/wireless/rt2x00/rt2800lib.c +++ b/drivers/net/wireless/rt2x00/rt2800lib.c @@ -1625,6 +1625,13 @@ static void rt2800_config_channel(struct rt2x00_dev *rt2x00dev, } msleep(1); + + /* + * Clear channel statistic counters + */ + rt2800_register_read(rt2x00dev, CH_IDLE_STA, ®); + rt2800_register_read(rt2x00dev, CH_BUSY_STA, ®); + rt2800_register_read(rt2x00dev, CH_BUSY_STA_SEC, ®); } static void rt2800_config_txpower(struct rt2x00_dev *rt2x00dev, @@ -2259,6 +2266,17 @@ static int rt2800_init_registers(struct rt2x00_dev *rt2x00dev) rt2x00_set_field32(®, INT_TIMER_CFG_PRE_TBTT_TIMER, 6 << 4); rt2800_register_write(rt2x00dev, INT_TIMER_CFG, reg); + /* + * Set up channel statistics timer + */ + rt2800_register_read(rt2x00dev, CH_TIME_CFG, ®); + rt2x00_set_field32(®, CH_TIME_CFG_EIFS_BUSY, 1); + rt2x00_set_field32(®, CH_TIME_CFG_NAV_BUSY, 1); + rt2x00_set_field32(®, CH_TIME_CFG_RX_BUSY, 1); + rt2x00_set_field32(®, CH_TIME_CFG_TX_BUSY, 1); + rt2x00_set_field32(®, CH_TIME_CFG_TMR_EN, 1); + rt2800_register_write(rt2x00dev, CH_TIME_CFG, reg); + return 0; } @@ -3539,6 +3557,37 @@ int rt2800_ampdu_action(struct ieee80211_hw *hw, struct ieee80211_vif *vif, } EXPORT_SYMBOL_GPL(rt2800_ampdu_action); +int rt2800_get_survey(struct ieee80211_hw *hw, int idx, + struct survey_info *survey) +{ + struct rt2x00_dev *rt2x00dev = hw->priv; + struct ieee80211_conf *conf = &hw->conf; + u32 idle, busy, busy_ext; + + if (idx != 0) + return -ENOENT; + + survey->channel = conf->channel; + + rt2800_register_read(rt2x00dev, CH_IDLE_STA, &idle); + rt2800_register_read(rt2x00dev, CH_BUSY_STA, &busy); + rt2800_register_read(rt2x00dev, CH_BUSY_STA_SEC, &busy_ext); + + if (idle || busy) { + survey->filled = SURVEY_INFO_CHANNEL_TIME | + SURVEY_INFO_CHANNEL_TIME_BUSY | + SURVEY_INFO_CHANNEL_TIME_EXT_BUSY; + + survey->channel_time = (idle + busy) / 1000; + survey->channel_time_busy = busy / 1000; + survey->channel_time_ext_busy = busy_ext / 1000; + } + + return 0; + +} +EXPORT_SYMBOL_GPL(rt2800_get_survey); + MODULE_AUTHOR(DRV_PROJECT ", Bartlomiej Zolnierkiewicz"); MODULE_VERSION(DRV_VERSION); MODULE_DESCRIPTION("Ralink RT2800 library"); diff --git a/drivers/net/wireless/rt2x00/rt2800lib.h b/drivers/net/wireless/rt2x00/rt2800lib.h index 81cbc92e785..e3c995a9dec 100644 --- a/drivers/net/wireless/rt2x00/rt2800lib.h +++ b/drivers/net/wireless/rt2x00/rt2800lib.h @@ -199,5 +199,7 @@ u64 rt2800_get_tsf(struct ieee80211_hw *hw); int rt2800_ampdu_action(struct ieee80211_hw *hw, struct ieee80211_vif *vif, enum ieee80211_ampdu_mlme_action action, struct ieee80211_sta *sta, u16 tid, u16 *ssn); +int rt2800_get_survey(struct ieee80211_hw *hw, int idx, + struct survey_info *survey); #endif /* RT2800LIB_H */ diff --git a/drivers/net/wireless/rt2x00/rt2800pci.c b/drivers/net/wireless/rt2x00/rt2800pci.c index b989b0d3ed4..f5abcc6e86b 100644 --- a/drivers/net/wireless/rt2x00/rt2800pci.c +++ b/drivers/net/wireless/rt2x00/rt2800pci.c @@ -944,6 +944,7 @@ static const struct ieee80211_ops rt2800pci_mac80211_ops = { .rfkill_poll = rt2x00mac_rfkill_poll, .ampdu_action = rt2800_ampdu_action, .flush = rt2x00mac_flush, + .get_survey = rt2800_get_survey, }; static const struct rt2800_ops rt2800pci_rt2800_ops = { diff --git a/drivers/net/wireless/rt2x00/rt2800usb.c b/drivers/net/wireless/rt2x00/rt2800usb.c index 935b76d3ce4..042e47d92b6 100644 --- a/drivers/net/wireless/rt2x00/rt2800usb.c +++ b/drivers/net/wireless/rt2x00/rt2800usb.c @@ -562,6 +562,7 @@ static const struct ieee80211_ops rt2800usb_mac80211_ops = { .rfkill_poll = rt2x00mac_rfkill_poll, .ampdu_action = rt2800_ampdu_action, .flush = rt2x00mac_flush, + .get_survey = rt2800_get_survey, }; static const struct rt2800_ops rt2800usb_rt2800_ops = { |