[RFC,01/10] mt76: move mt76x02_phy_get_min_avg_rssi in mt76x02_phy.c

Message ID	20180930095706.28428-2-lorenzo.bianconi@redhat.com (mailing list archive)
State	RFC
Delegated to:	Kalle Valo
Headers	show Return-Path: <linux-wireless-owner@kernel.org> From: Lorenzo Bianconi <lorenzo.bianconi@redhat.com> To: nbd@nbd.name Cc: sgruszka@redhat.com, linux-wireless@vger.kernel.org Subject: [RFC 01/10] mt76: move mt76x02_phy_get_min_avg_rssi in mt76x02_phy.c Date: Sun, 30 Sep 2018 11:56:57 +0200 Message-Id: <20180930095706.28428-2-lorenzo.bianconi@redhat.com> MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Sender: linux-wireless-owner@vger.kernel.org Precedence: bulk
Series	[RFC,01/10] mt76: move mt76x02_phy_get_min_avg_rssi in mt76x02_phy.c \| expand [RFC,01/10] mt76: move mt76x02_phy_get_min_avg_rssi in mt76x02_phy.c [RFC,02/10] mt76: move mt76x02_rx_get_sta and mt76x02_rx_get_sta_wcid in mt76x02_util.c [RFC,03/10] mt76x0: mac: use sta ewma estimation for rssi tracking [RFC,04/10] mt76x0: remove unused variable in mt76x0_dev [RFC,05/10] mt76x0: remove hw_atomic_mutex mutex in mt76x0_dev [RFC,06/10] mt76x2: move mt76x2_dev in mt76x02_util.h [RFC,07/10] mt76x0: merge mt76x0_dev in mt76x02_dev [RFC,08/10] mt76: move mt76x02_mac_process_rx in mt76x02-lib module [RFC,09/10] mt76: unify rxwi parsing between mt76x2 and mt76x0 drivers [RFC,10/10] mt76: move mt76x02_tx in mt76x02-lib module

diff --git a/drivers/net/wireless/mediatek/mt76/mt76x02_phy.c b/drivers/net/wireless/mediatek/mt76/mt76x02_phy.c index e29914d78b72..d31ce1d7b689 100644 --- a/drivers/net/wireless/mediatek/mt76/mt76x02_phy.c +++ b/drivers/net/wireless/mediatek/mt76/mt76x02_phy.c @@ -19,6 +19,7 @@ #include "mt76.h" #include "mt76x02_phy.h" +#include "mt76x02_mac.h" void mt76x02_phy_set_rxpath(struct mt76_dev *dev) { @@ -133,3 +134,50 @@ void mt76x02_phy_set_txpower(struct mt76_dev *dev, int txp_0, int txp_1) mt76x02_tx_power_mask(t->ht[7], 0, t->stbc[8], t->stbc[9])); } EXPORT_SYMBOL_GPL(mt76x02_phy_set_txpower); + +int mt76x02_phy_get_min_avg_rssi(struct mt76_dev *dev) +{ + struct mt76x02_sta *sta; + struct mt76_wcid *wcid; + int i, j, min_rssi = 0; + s8 cur_rssi; + + local_bh_disable(); + rcu_read_lock(); + + for (i = 0; i < ARRAY_SIZE(dev->wcid_mask); i++) { + unsigned long mask = dev->wcid_mask[i]; + + if (!mask) + continue; + + for (j = i * BITS_PER_LONG; mask; j++, mask >>= 1) { + if (!(mask & 1)) + continue; + + wcid = rcu_dereference(dev->wcid[j]); + if (!wcid) + continue; + + sta = container_of(wcid, struct mt76x02_sta, wcid); + spin_lock(&dev->rx_lock); + if (sta->inactive_count++ < 5) + cur_rssi = ewma_signal_read(&sta->rssi); + else + cur_rssi = 0; + spin_unlock(&dev->rx_lock); + + if (cur_rssi < min_rssi) + min_rssi = cur_rssi; + } + } + + rcu_read_unlock(); + local_bh_enable(); + + if (!min_rssi) + return -75; + + return min_rssi; +} +EXPORT_SYMBOL_GPL(mt76x02_phy_get_min_avg_rssi); diff --git a/drivers/net/wireless/mediatek/mt76/mt76x02_phy.h b/drivers/net/wireless/mediatek/mt76/mt76x02_phy.h index df69f8fade75..e70ea6eeb077 100644 --- a/drivers/net/wireless/mediatek/mt76/mt76x02_phy.h +++ b/drivers/net/wireless/mediatek/mt76/mt76x02_phy.h @@ -25,5 +25,6 @@ void mt76x02_limit_rate_power(struct mt76_rate_power *r, int limit); int mt76x02_get_max_rate_power(struct mt76_rate_power *r); void mt76x02_phy_set_rxpath(struct mt76_dev *dev); void mt76x02_phy_set_txdac(struct mt76_dev *dev); +int mt76x02_phy_get_min_avg_rssi(struct mt76_dev *dev); #endif /* __MT76x02_PHY_H */ diff --git a/drivers/net/wireless/mediatek/mt76/mt76x2/mt76x2.h b/drivers/net/wireless/mediatek/mt76/mt76x2/mt76x2.h index 52706900d804..576313756b6f 100644 --- a/drivers/net/wireless/mediatek/mt76/mt76x2/mt76x2.h +++ b/drivers/net/wireless/mediatek/mt76/mt76x2/mt76x2.h @@ -197,7 +197,6 @@ void mt76x2_configure_tx_delay(struct mt76x2_dev *dev, enum nl80211_band band, u8 bw); void mt76x2_phy_set_bw(struct mt76x2_dev *dev, int width, u8 ctrl); void mt76x2_phy_set_band(struct mt76x2_dev *dev, int band, bool primary_upper); -int mt76x2_phy_get_min_avg_rssi(struct mt76x2_dev *dev); void mt76x2_apply_gain_adj(struct mt76x2_dev *dev); #endif diff --git a/drivers/net/wireless/mediatek/mt76/mt76x2/pci_phy.c b/drivers/net/wireless/mediatek/mt76/mt76x2/pci_phy.c index 392601310e39..2ac0cc6c7126 100644 --- a/drivers/net/wireless/mediatek/mt76/mt76x2/pci_phy.c +++ b/drivers/net/wireless/mediatek/mt76/mt76x2/pci_phy.c @@ -18,6 +18,7 @@ #include "mt76x2.h" #include "mcu.h" #include "eeprom.h" +#include "../mt76x02_phy.h" static bool mt76x2_phy_tssi_init_cal(struct mt76x2_dev *dev) @@ -209,7 +210,7 @@ mt76x2_phy_update_channel_gain(struct mt76x2_dev *dev) int low_gain; u32 val; - dev->cal.avg_rssi_all = mt76x2_phy_get_min_avg_rssi(dev); + dev->cal.avg_rssi_all = mt76x02_phy_get_min_avg_rssi(&dev->mt76); low_gain = (dev->cal.avg_rssi_all > mt76x2_get_rssi_gain_thresh(dev)) + (dev->cal.avg_rssi_all > mt76x2_get_low_rssi_gain_thresh(dev)); diff --git a/drivers/net/wireless/mediatek/mt76/mt76x2/phy.c b/drivers/net/wireless/mediatek/mt76/mt76x2/phy.c index b3ecb80340b5..06ef2c4a5c11 100644 --- a/drivers/net/wireless/mediatek/mt76/mt76x2/phy.c +++ b/drivers/net/wireless/mediatek/mt76/mt76x2/phy.c @@ -254,53 +254,6 @@ void mt76x2_phy_set_band(struct mt76x2_dev *dev, int band, bool primary_upper) } EXPORT_SYMBOL_GPL(mt76x2_phy_set_band); -int mt76x2_phy_get_min_avg_rssi(struct mt76x2_dev *dev) -{ - struct mt76x02_sta *sta; - struct mt76_wcid *wcid; - int i, j, min_rssi = 0; - s8 cur_rssi; - - local_bh_disable(); - rcu_read_lock(); - - for (i = 0; i < ARRAY_SIZE(dev->mt76.wcid_mask); i++) { - unsigned long mask = dev->mt76.wcid_mask[i]; - - if (!mask) - continue; - - for (j = i * BITS_PER_LONG; mask; j++, mask >>= 1) { - if (!(mask & 1)) - continue; - - wcid = rcu_dereference(dev->mt76.wcid[j]); - if (!wcid) - continue; - - sta = container_of(wcid, struct mt76x02_sta, wcid); - spin_lock(&dev->mt76.rx_lock); - if (sta->inactive_count++ < 5) - cur_rssi = ewma_signal_read(&sta->rssi); - else - cur_rssi = 0; - spin_unlock(&dev->mt76.rx_lock); - - if (cur_rssi < min_rssi) - min_rssi = cur_rssi; - } - } - - rcu_read_unlock(); - local_bh_enable(); - - if (!min_rssi) - return -75; - - return min_rssi; -} -EXPORT_SYMBOL_GPL(mt76x2_phy_get_min_avg_rssi); - void mt76x2_phy_tssi_compensate(struct mt76x2_dev *dev, bool wait) { struct ieee80211_channel *chan = dev->mt76.chandef.chan; diff --git a/drivers/net/wireless/mediatek/mt76/mt76x2/usb_phy.c b/drivers/net/wireless/mediatek/mt76/mt76x2/usb_phy.c index 9dd1943a71bb..b14c073b0006 100644 --- a/drivers/net/wireless/mediatek/mt76/mt76x2/usb_phy.c +++ b/drivers/net/wireless/mediatek/mt76/mt76x2/usb_phy.c @@ -16,6 +16,7 @@ #include "mt76x2u.h" #include "eeprom.h" +#include "../mt76x02_phy.h" void mt76x2u_phy_channel_calibrate(struct mt76x2_dev *dev) { @@ -68,7 +69,7 @@ mt76x2u_phy_update_channel_gain(struct mt76x2_dev *dev) break; } - dev->cal.avg_rssi_all = mt76x2_phy_get_min_avg_rssi(dev); + dev->cal.avg_rssi_all = mt76x02_phy_get_min_avg_rssi(&dev->mt76); false_cca = FIELD_GET(MT_RX_STAT_1_CCA_ERRORS, mt76_rr(dev, MT_RX_STAT_1));

[RFC,01/10] mt76: move mt76x02_phy_get_min_avg_rssi in mt76x02_phy.c

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