[2/9] mt76: move mac beacon routines in mt76x02-lib module

Message ID	2e4c376bc8022ff23aca49d094d2f0ebc356e70f.1540029458.git.lorenzo.bianconi@redhat.com (mailing list archive)
State	Accepted
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: [PATCH 2/9] mt76: move mac beacon routines in mt76x02-lib module Date: Sat, 20 Oct 2018 12:13:25 +0200 Message-Id: <2e4c376bc8022ff23aca49d094d2f0ebc356e70f.1540029458.git.lorenzo.bianconi@redhat.com> In-Reply-To: <cover.1540029458.git.lorenzo.bianconi@redhat.com> References: <cover.1540029458.git.lorenzo.bianconi@redhat.com> MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Sender: linux-wireless-owner@vger.kernel.org Precedence: bulk
Series	enable AP support in mt76x0e driver \| expand [0/9] enable AP support in mt76x0e driver [1/9] mt76: move mt76x02_init_device in mt76x02-lib module [2/9] mt76: move mac beacon routines in mt76x02-lib module [3/9] mt76: move tx beacon routines in mt76x02-lib module [4/9] mt76x0: pci: add pre_tbtt_tasklet support [5/9] mt76: move mt76x02_sw_scan and mt76x02_sw_scan_complete in mt76x02-lib module [6/9] mt76: move mt76x02_get_txpower in mt76x02_util.c [7/9] mt76: move mt76x02_sta_ps in mt76x02-lib module [8/9] mt76: introduce mt76x02_init_beacon_config routine [9/9] mt76x0: pci: enable AP support

diff --git a/drivers/net/wireless/mediatek/mt76/mt76x02_mac.c b/drivers/net/wireless/mediatek/mt76/mt76x02_mac.c index f21bf0af8937..d9d7f3e609fc 100644 --- a/drivers/net/wireless/mediatek/mt76/mt76x02_mac.c +++ b/drivers/net/wireless/mediatek/mt76/mt76x02_mac.c @@ -794,3 +794,126 @@ void mt76x02_mac_work(struct work_struct *work) MT_CALIBRATE_INTERVAL); } EXPORT_SYMBOL_GPL(mt76x02_mac_work); + +void mt76x02_mac_set_bssid(struct mt76x02_dev *dev, u8 idx, const u8 *addr) +{ + idx &= 7; + mt76_wr(dev, MT_MAC_APC_BSSID_L(idx), get_unaligned_le32(addr)); + mt76_rmw_field(dev, MT_MAC_APC_BSSID_H(idx), MT_MAC_APC_BSSID_H_ADDR, + get_unaligned_le16(addr + 4)); +} +EXPORT_SYMBOL_GPL(mt76x02_mac_set_bssid); + +static int +mt76x02_write_beacon(struct mt76x02_dev *dev, int offset, struct sk_buff *skb) +{ + int beacon_len = mt76x02_beacon_offsets[1] - mt76x02_beacon_offsets[0]; + struct mt76x02_txwi txwi; + + if (WARN_ON_ONCE(beacon_len < skb->len + sizeof(struct mt76x02_txwi))) + return -ENOSPC; + + mt76x02_mac_write_txwi(dev, &txwi, skb, NULL, NULL, skb->len); + + mt76_wr_copy(dev, offset, &txwi, sizeof(txwi)); + offset += sizeof(txwi); + + mt76_wr_copy(dev, offset, skb->data, skb->len); + return 0; +} + +static int +__mt76x02_mac_set_beacon(struct mt76x02_dev *dev, u8 bcn_idx, + struct sk_buff *skb) +{ + int beacon_len = mt76x02_beacon_offsets[1] - mt76x02_beacon_offsets[0]; + int beacon_addr = mt76x02_beacon_offsets[bcn_idx]; + int ret = 0; + int i; + + /* Prevent corrupt transmissions during update */ + mt76_set(dev, MT_BCN_BYPASS_MASK, BIT(bcn_idx)); + + if (skb) { + ret = mt76x02_write_beacon(dev, beacon_addr, skb); + if (!ret) + dev->beacon_data_mask |= BIT(bcn_idx); + } else { + dev->beacon_data_mask &= ~BIT(bcn_idx); + for (i = 0; i < beacon_len; i += 4) + mt76_wr(dev, beacon_addr + i, 0); + } + + mt76_wr(dev, MT_BCN_BYPASS_MASK, 0xff00 | ~dev->beacon_data_mask); + + return ret; +} + +int mt76x02_mac_set_beacon(struct mt76x02_dev *dev, u8 vif_idx, + struct sk_buff *skb) +{ + bool force_update = false; + int bcn_idx = 0; + int i; + + for (i = 0; i < ARRAY_SIZE(dev->beacons); i++) { + if (vif_idx == i) { + force_update = !!dev->beacons[i] ^ !!skb; + + if (dev->beacons[i]) + dev_kfree_skb(dev->beacons[i]); + + dev->beacons[i] = skb; + __mt76x02_mac_set_beacon(dev, bcn_idx, skb); + } else if (force_update && dev->beacons[i]) { + __mt76x02_mac_set_beacon(dev, bcn_idx, + dev->beacons[i]); + } + + bcn_idx += !!dev->beacons[i]; + } + + for (i = bcn_idx; i < ARRAY_SIZE(dev->beacons); i++) { + if (!(dev->beacon_data_mask & BIT(i))) + break; + + __mt76x02_mac_set_beacon(dev, i, NULL); + } + + mt76_rmw_field(dev, MT_MAC_BSSID_DW1, MT_MAC_BSSID_DW1_MBEACON_N, + bcn_idx - 1); + return 0; +} +EXPORT_SYMBOL_GPL(mt76x02_mac_set_beacon); + +void mt76x02_mac_set_beacon_enable(struct mt76x02_dev *dev, + u8 vif_idx, bool val) +{ + u8 old_mask = dev->beacon_mask; + bool en; + u32 reg; + + if (val) { + dev->beacon_mask |= BIT(vif_idx); + } else { + dev->beacon_mask &= ~BIT(vif_idx); + mt76x02_mac_set_beacon(dev, vif_idx, NULL); + } + + if (!!old_mask == !!dev->beacon_mask) + return; + + en = dev->beacon_mask; + + mt76_rmw_field(dev, MT_INT_TIMER_EN, MT_INT_TIMER_EN_PRE_TBTT_EN, en); + reg = MT_BEACON_TIME_CFG_BEACON_TX | + MT_BEACON_TIME_CFG_TBTT_EN | + MT_BEACON_TIME_CFG_TIMER_EN; + mt76_rmw(dev, MT_BEACON_TIME_CFG, reg, reg * en); + + if (en) + mt76x02_irq_enable(dev, MT_INT_PRE_TBTT | MT_INT_TBTT); + else + mt76x02_irq_disable(dev, MT_INT_PRE_TBTT | MT_INT_TBTT); +} +EXPORT_SYMBOL_GPL(mt76x02_mac_set_beacon_enable); diff --git a/drivers/net/wireless/mediatek/mt76/mt76x02_mac.h b/drivers/net/wireless/mediatek/mt76/mt76x02_mac.h index 55b3a49ba77a..350cb0fed980 100644 --- a/drivers/net/wireless/mediatek/mt76/mt76x02_mac.h +++ b/drivers/net/wireless/mediatek/mt76/mt76x02_mac.h @@ -227,4 +227,10 @@ void mt76x02_tx_complete_skb(struct mt76_dev *mdev, struct mt76_queue *q, struct mt76_queue_entry *e, bool flush); void mt76x02_update_channel(struct mt76_dev *mdev); void mt76x02_mac_work(struct work_struct *work); + +void mt76x02_mac_set_bssid(struct mt76x02_dev *dev, u8 idx, const u8 *addr); +int mt76x02_mac_set_beacon(struct mt76x02_dev *dev, u8 vif_idx, + struct sk_buff *skb); +void mt76x02_mac_set_beacon_enable(struct mt76x02_dev *dev, u8 vif_idx, + bool val); #endif diff --git a/drivers/net/wireless/mediatek/mt76/mt76x2/mac.h b/drivers/net/wireless/mediatek/mt76/mt76x2/mac.h index 2dc2b9d5dc8f..4c8e20bce920 100644 --- a/drivers/net/wireless/mediatek/mt76/mt76x2/mac.h +++ b/drivers/net/wireless/mediatek/mt76/mt76x2/mac.h @@ -26,10 +26,5 @@ struct mt76x02_vif; int mt76x2_mac_start(struct mt76x02_dev *dev); void mt76x2_mac_stop(struct mt76x02_dev *dev, bool force); void mt76x2_mac_resume(struct mt76x02_dev *dev); -void mt76x2_mac_set_bssid(struct mt76x02_dev *dev, u8 idx, const u8 *addr); - -int mt76x2_mac_set_beacon(struct mt76x02_dev *dev, u8 vif_idx, - struct sk_buff *skb); -void mt76x2_mac_set_beacon_enable(struct mt76x02_dev *dev, u8 vif_idx, bool val); #endif diff --git a/drivers/net/wireless/mediatek/mt76/mt76x2/pci_init.c b/drivers/net/wireless/mediatek/mt76/mt76x2/pci_init.c index d0dbf6936c92..5c1531ae8b93 100644 --- a/drivers/net/wireless/mediatek/mt76/mt76x2/pci_init.c +++ b/drivers/net/wireless/mediatek/mt76/mt76x2/pci_init.c @@ -153,8 +153,8 @@ static int mt76x2_mac_reset(struct mt76x02_dev *dev, bool hard) mt76x02_mac_shared_key_setup(dev, i, k, NULL); for (i = 0; i < 8; i++) { - mt76x2_mac_set_bssid(dev, i, null_addr); - mt76x2_mac_set_beacon(dev, i, NULL); + mt76x02_mac_set_bssid(dev, i, null_addr); + mt76x02_mac_set_beacon(dev, i, NULL); } for (i = 0; i < 16; i++) diff --git a/drivers/net/wireless/mediatek/mt76/mt76x2/pci_mac.c b/drivers/net/wireless/mediatek/mt76/mt76x2/pci_mac.c index 97128ea6bd7a..31e1f5bd9050 100644 --- a/drivers/net/wireless/mediatek/mt76/mt76x2/pci_mac.c +++ b/drivers/net/wireless/mediatek/mt76/mt76x2/pci_mac.c @@ -19,124 +19,6 @@ #include "mcu.h" #include "eeprom.h" -void mt76x2_mac_set_bssid(struct mt76x02_dev *dev, u8 idx, const u8 *addr) -{ - idx &= 7; - mt76_wr(dev, MT_MAC_APC_BSSID_L(idx), get_unaligned_le32(addr)); - mt76_rmw_field(dev, MT_MAC_APC_BSSID_H(idx), MT_MAC_APC_BSSID_H_ADDR, - get_unaligned_le16(addr + 4)); -} - -static int -mt76_write_beacon(struct mt76x02_dev *dev, int offset, struct sk_buff *skb) -{ - int beacon_len = mt76x02_beacon_offsets[1] - mt76x02_beacon_offsets[0]; - struct mt76x02_txwi txwi; - - if (WARN_ON_ONCE(beacon_len < skb->len + sizeof(struct mt76x02_txwi))) - return -ENOSPC; - - mt76x02_mac_write_txwi(dev, &txwi, skb, NULL, NULL, skb->len); - - mt76_wr_copy(dev, offset, &txwi, sizeof(txwi)); - offset += sizeof(txwi); - - mt76_wr_copy(dev, offset, skb->data, skb->len); - return 0; -} - -static int -__mt76x2_mac_set_beacon(struct mt76x02_dev *dev, u8 bcn_idx, struct sk_buff *skb) -{ - int beacon_len = mt76x02_beacon_offsets[1] - mt76x02_beacon_offsets[0]; - int beacon_addr = mt76x02_beacon_offsets[bcn_idx]; - int ret = 0; - int i; - - /* Prevent corrupt transmissions during update */ - mt76_set(dev, MT_BCN_BYPASS_MASK, BIT(bcn_idx)); - - if (skb) { - ret = mt76_write_beacon(dev, beacon_addr, skb); - if (!ret) - dev->beacon_data_mask |= BIT(bcn_idx); - } else { - dev->beacon_data_mask &= ~BIT(bcn_idx); - for (i = 0; i < beacon_len; i += 4) - mt76_wr(dev, beacon_addr + i, 0); - } - - mt76_wr(dev, MT_BCN_BYPASS_MASK, 0xff00 | ~dev->beacon_data_mask); - - return ret; -} - -int mt76x2_mac_set_beacon(struct mt76x02_dev *dev, u8 vif_idx, - struct sk_buff *skb) -{ - bool force_update = false; - int bcn_idx = 0; - int i; - - for (i = 0; i < ARRAY_SIZE(dev->beacons); i++) { - if (vif_idx == i) { - force_update = !!dev->beacons[i] ^ !!skb; - - if (dev->beacons[i]) - dev_kfree_skb(dev->beacons[i]); - - dev->beacons[i] = skb; - __mt76x2_mac_set_beacon(dev, bcn_idx, skb); - } else if (force_update && dev->beacons[i]) { - __mt76x2_mac_set_beacon(dev, bcn_idx, dev->beacons[i]); - } - - bcn_idx += !!dev->beacons[i]; - } - - for (i = bcn_idx; i < ARRAY_SIZE(dev->beacons); i++) { - if (!(dev->beacon_data_mask & BIT(i))) - break; - - __mt76x2_mac_set_beacon(dev, i, NULL); - } - - mt76_rmw_field(dev, MT_MAC_BSSID_DW1, MT_MAC_BSSID_DW1_MBEACON_N, - bcn_idx - 1); - return 0; -} - -void mt76x2_mac_set_beacon_enable(struct mt76x02_dev *dev, - u8 vif_idx, bool val) -{ - u8 old_mask = dev->beacon_mask; - bool en; - u32 reg; - - if (val) { - dev->beacon_mask |= BIT(vif_idx); - } else { - dev->beacon_mask &= ~BIT(vif_idx); - mt76x2_mac_set_beacon(dev, vif_idx, NULL); - } - - if (!!old_mask == !!dev->beacon_mask) - return; - - en = dev->beacon_mask; - - mt76_rmw_field(dev, MT_INT_TIMER_EN, MT_INT_TIMER_EN_PRE_TBTT_EN, en); - reg = MT_BEACON_TIME_CFG_BEACON_TX | - MT_BEACON_TIME_CFG_TBTT_EN | - MT_BEACON_TIME_CFG_TIMER_EN; - mt76_rmw(dev, MT_BEACON_TIME_CFG, reg, reg * en); - - if (en) - mt76x02_irq_enable(dev, MT_INT_PRE_TBTT | MT_INT_TBTT); - else - mt76x02_irq_disable(dev, MT_INT_PRE_TBTT | MT_INT_TBTT); -} - void mt76x2_mac_set_tx_protection(struct mt76x02_dev *dev, u32 val) { u32 data = 0; diff --git a/drivers/net/wireless/mediatek/mt76/mt76x2/pci_main.c b/drivers/net/wireless/mediatek/mt76/mt76x2/pci_main.c index 034a06295668..1b3b9594c2a2 100644 --- a/drivers/net/wireless/mediatek/mt76/mt76x2/pci_main.c +++ b/drivers/net/wireless/mediatek/mt76/mt76x2/pci_main.c @@ -137,7 +137,7 @@ mt76x2_bss_info_changed(struct ieee80211_hw *hw, struct ieee80211_vif *vif, mutex_lock(&dev->mt76.mutex); if (changed & BSS_CHANGED_BSSID) - mt76x2_mac_set_bssid(dev, mvif->idx, info->bssid); + mt76x02_mac_set_bssid(dev, mvif->idx, info->bssid); if (changed & BSS_CHANGED_BEACON_INT) { mt76_rmw_field(dev, MT_BEACON_TIME_CFG, @@ -149,8 +149,8 @@ mt76x2_bss_info_changed(struct ieee80211_hw *hw, struct ieee80211_vif *vif, if (changed & BSS_CHANGED_BEACON_ENABLED) { tasklet_disable(&dev->pre_tbtt_tasklet); - mt76x2_mac_set_beacon_enable(dev, mvif->idx, - info->enable_beacon); + mt76x02_mac_set_beacon_enable(dev, mvif->idx, + info->enable_beacon); tasklet_enable(&dev->pre_tbtt_tasklet); } diff --git a/drivers/net/wireless/mediatek/mt76/mt76x2/pci_tx.c b/drivers/net/wireless/mediatek/mt76/mt76x2/pci_tx.c index 3a2ec86d3e88..fac38cbaa41b 100644 --- a/drivers/net/wireless/mediatek/mt76/mt76x2/pci_tx.c +++ b/drivers/net/wireless/mediatek/mt76/mt76x2/pci_tx.c @@ -36,7 +36,7 @@ mt76x2_update_beacon_iter(void *priv, u8 *mac, struct ieee80211_vif *vif) if (!skb) return; - mt76x2_mac_set_beacon(dev, mvif->idx, skb); + mt76x02_mac_set_beacon(dev, mvif->idx, skb); } static void

[2/9] mt76: move mac beacon routines in mt76x02-lib module

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