@@ -16,7 +16,7 @@ CFLAGS_mt76x02_trace.o := -I$(src)
mt76x02-lib-y := mt76x02_util.o mt76x02_mac.o mt76x02_mcu.o \
mt76x02_eeprom.o mt76x02_phy.o mt76x02_mmio.o \
mt76x02_txrx.o mt76x02_trace.o mt76x02_debugfs.o \
- mt76x02_dfs.o
+ mt76x02_dfs.o mt76x02_beacon.o
mt76x02-usb-y := mt76x02_usb_mcu.o mt76x02_usb_core.o
@@ -259,7 +259,6 @@ int mt76x0_init_hardware(struct mt76x02_dev *dev)
return ret;
mt76x0_phy_init(dev);
- mt76x02_init_beacon_config(dev);
return 0;
}
@@ -128,6 +128,8 @@ static int mt76x0e_register_device(struct mt76x02_dev *dev)
if (err < 0)
return err;
+ mt76x02e_init_beacon_config(dev);
+
if (mt76_chip(&dev->mt76) == 0x7610) {
u16 val;
@@ -175,6 +175,8 @@ static int mt76x0u_init_hardware(struct mt76x02_dev *dev)
if (err < 0)
return err;
+ mt76x02u_init_beacon_config(dev);
+
mt76_rmw(dev, MT_US_CYC_CFG, MT_US_CYC_CNT, 0x1e);
mt76_wr(dev, MT_TXOP_CTRL_CFG,
FIELD_PREP(MT_TXOP_TRUN_EN, 0x3f) |
@@ -183,6 +183,7 @@ void mt76x02_bss_info_changed(struct ieee80211_hw *hw,
extern const u16 mt76x02_beacon_offsets[16];
void mt76x02_init_beacon_config(struct mt76x02_dev *dev);
+void mt76x02e_init_beacon_config(struct mt76x02_dev *dev);
void mt76x02_set_irq_mask(struct mt76x02_dev *dev, u32 clear, u32 set);
void mt76x02_mac_start(struct mt76x02_dev *dev);
new file mode 100644
@@ -0,0 +1,212 @@
+/*
+ * Copyright (C) 2016 Felix Fietkau <nbd@nbd.name>
+ * Copyright (C) 2018 Lorenzo Bianconi <lorenzo.bianconi83@gmail.com>
+ * Copyright (C) 2018 Stanislaw Gruszka <stf_xl@wp.pl>
+ *
+ * Permission to use, copy, modify, and/or distribute this software for any
+ * purpose with or without fee is hereby granted, provided that the above
+ * copyright notice and this permission notice appear in all copies.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
+ * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
+ * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
+ * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
+ * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
+ * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
+ * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
+ */
+
+#include "mt76x02.h"
+
+const u16 mt76x02_beacon_offsets[16] = {
+ /* 1024 byte per beacon */
+ 0xc000,
+ 0xc400,
+ 0xc800,
+ 0xcc00,
+ 0xd000,
+ 0xd400,
+ 0xd800,
+ 0xdc00,
+ /* BSS idx 8-15 not used for beacons */
+ 0xc000,
+ 0xc000,
+ 0xc000,
+ 0xc000,
+ 0xc000,
+ 0xc000,
+ 0xc000,
+ 0xc000,
+};
+
+static void mt76x02_set_beacon_offsets(struct mt76x02_dev *dev)
+{
+ u16 val, base = MT_BEACON_BASE;
+ u32 regs[4] = {};
+ int i;
+
+ for (i = 0; i < 16; i++) {
+ val = mt76x02_beacon_offsets[i] - base;
+ regs[i / 4] |= (val / 64) << (8 * (i % 4));
+ }
+
+ for (i = 0; i < 4; i++)
+ mt76_wr(dev, MT_BCN_OFFSET(i), regs[i]);
+}
+
+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;
+}
+
+static void
+__mt76x02_mac_set_beacon_enable(struct mt76x02_dev *dev, u8 vif_idx,
+ bool val, struct sk_buff *skb)
+{
+ u8 old_mask = dev->beacon_mask;
+ bool en;
+ u32 reg;
+
+ if (val) {
+ dev->beacon_mask |= BIT(vif_idx);
+ if (skb)
+ mt76x02_mac_set_beacon(dev, vif_idx, skb);
+ } 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;
+
+ 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 (mt76_is_usb(dev))
+ return;
+
+ mt76_rmw_field(dev, MT_INT_TIMER_EN, MT_INT_TIMER_EN_PRE_TBTT_EN, 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 mt76x02_mac_set_beacon_enable(struct mt76x02_dev *dev,
+ struct ieee80211_vif *vif, bool val)
+{
+ u8 vif_idx = ((struct mt76x02_vif *)vif->drv_priv)->idx;
+ struct sk_buff *skb = NULL;
+
+ if (mt76_is_mmio(dev))
+ tasklet_disable(&dev->pre_tbtt_tasklet);
+ else if (val)
+ skb = ieee80211_beacon_get(mt76_hw(dev), vif);
+
+ if (!dev->beacon_mask)
+ dev->tbtt_count = 0;
+
+ __mt76x02_mac_set_beacon_enable(dev, vif_idx, val, skb);
+
+ if (mt76_is_mmio(dev))
+ tasklet_enable(&dev->pre_tbtt_tasklet);
+}
+
+void mt76x02_init_beacon_config(struct mt76x02_dev *dev)
+{
+ int i;
+
+ mt76_clear(dev, MT_BEACON_TIME_CFG, (MT_BEACON_TIME_CFG_TIMER_EN |
+ MT_BEACON_TIME_CFG_TBTT_EN |
+ MT_BEACON_TIME_CFG_BEACON_TX));
+ mt76_set(dev, MT_BEACON_TIME_CFG, MT_BEACON_TIME_CFG_SYNC_MODE);
+ mt76_wr(dev, MT_BCN_BYPASS_MASK, 0xffff);
+
+ for (i = 0; i < 8; i++)
+ mt76x02_mac_set_beacon(dev, i, NULL);
+
+ mt76x02_set_beacon_offsets(dev);
+}
+EXPORT_SYMBOL_GPL(mt76x02_init_beacon_config);
+
+
@@ -996,141 +996,3 @@ void mt76x02_mac_set_bssid(struct mt76x02_dev *dev, u8 idx, const u8 *addr)
mt76_rmw_field(dev, MT_MAC_APC_BSSID_H(idx), MT_MAC_APC_BSSID_H_ADDR,
get_unaligned_le16(addr + 4));
}
-
-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;
-}
-
-static void
-__mt76x02_mac_set_beacon_enable(struct mt76x02_dev *dev, u8 vif_idx,
- bool val, struct sk_buff *skb)
-{
- u8 old_mask = dev->beacon_mask;
- bool en;
- u32 reg;
-
- if (val) {
- dev->beacon_mask |= BIT(vif_idx);
- if (skb)
- mt76x02_mac_set_beacon(dev, vif_idx, skb);
- } 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;
-
- 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 (mt76_is_usb(dev))
- return;
-
- mt76_rmw_field(dev, MT_INT_TIMER_EN, MT_INT_TIMER_EN_PRE_TBTT_EN, 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 mt76x02_mac_set_beacon_enable(struct mt76x02_dev *dev,
- struct ieee80211_vif *vif, bool val)
-{
- u8 vif_idx = ((struct mt76x02_vif *)vif->drv_priv)->idx;
- struct sk_buff *skb = NULL;
-
- if (mt76_is_mmio(dev))
- tasklet_disable(&dev->pre_tbtt_tasklet);
- else if (val)
- skb = ieee80211_beacon_get(mt76_hw(dev), vif);
-
- if (!dev->beacon_mask)
- dev->tbtt_count = 0;
-
- __mt76x02_mac_set_beacon_enable(dev, vif_idx, val, skb);
-
- if (mt76_is_mmio(dev))
- tasklet_enable(&dev->pre_tbtt_tasklet);
-}
@@ -151,6 +151,21 @@ static void mt76x02_pre_tbtt_tasklet(unsigned long arg)
spin_unlock_bh(&q->lock);
}
+void mt76x02e_init_beacon_config(struct mt76x02_dev *dev)
+{
+ tasklet_init(&dev->pre_tbtt_tasklet, mt76x02_pre_tbtt_tasklet,
+ (unsigned long)dev);
+
+ /* Fire a pre-TBTT interrupt 8 ms before TBTT */
+ mt76_rmw_field(dev, MT_INT_TIMER_CFG, MT_INT_TIMER_CFG_PRE_TBTT, 8 << 4);
+ mt76_rmw_field(dev, MT_INT_TIMER_CFG, MT_INT_TIMER_CFG_GP_TIMER,
+ MT_DFS_GP_INTERVAL);
+ mt76_wr(dev, MT_INT_TIMER_EN, 0);
+
+ mt76x02_init_beacon_config(dev);
+}
+EXPORT_SYMBOL_GPL(mt76x02e_init_beacon_config);
+
static int
mt76x02_init_tx_queue(struct mt76x02_dev *dev, struct mt76_queue *q,
int idx, int n_desc)
@@ -228,8 +243,6 @@ int mt76x02_dma_init(struct mt76x02_dev *dev)
return -ENOMEM;
tasklet_init(&dev->tx_tasklet, mt76x02_tx_tasklet, (unsigned long) dev);
- tasklet_init(&dev->pre_tbtt_tasklet, mt76x02_pre_tbtt_tasklet,
- (unsigned long)dev);
kfifo_init(&dev->txstatus_fifo, status_fifo, fifo_size);
@@ -31,4 +31,5 @@ int mt76x02u_tx_prepare_skb(struct mt76_dev *mdev, void *data,
u32 *tx_info);
void mt76x02u_tx_complete_skb(struct mt76_dev *mdev, struct mt76_queue *q,
struct mt76_queue_entry *e, bool flush);
+void mt76x02u_init_beacon_config(struct mt76x02_dev *dev);
#endif /* __MT76x02_USB_H */
@@ -104,3 +104,9 @@ int mt76x02u_tx_prepare_skb(struct mt76_dev *mdev, void *data,
return mt76x02u_skb_dma_info(skb, WLAN_PORT, flags);
}
EXPORT_SYMBOL_GPL(mt76x02u_tx_prepare_skb);
+
+void mt76x02u_init_beacon_config(struct mt76x02_dev *dev)
+{
+ mt76x02_init_beacon_config(dev);
+}
+EXPORT_SYMBOL_GPL(mt76x02u_init_beacon_config);
@@ -629,68 +629,6 @@ void mt76x02_sta_ps(struct mt76_dev *mdev, struct ieee80211_sta *sta,
}
EXPORT_SYMBOL_GPL(mt76x02_sta_ps);
-const u16 mt76x02_beacon_offsets[16] = {
- /* 1024 byte per beacon */
- 0xc000,
- 0xc400,
- 0xc800,
- 0xcc00,
- 0xd000,
- 0xd400,
- 0xd800,
- 0xdc00,
- /* BSS idx 8-15 not used for beacons */
- 0xc000,
- 0xc000,
- 0xc000,
- 0xc000,
- 0xc000,
- 0xc000,
- 0xc000,
- 0xc000,
-};
-
-static void mt76x02_set_beacon_offsets(struct mt76x02_dev *dev)
-{
- u16 val, base = MT_BEACON_BASE;
- u32 regs[4] = {};
- int i;
-
- for (i = 0; i < 16; i++) {
- val = mt76x02_beacon_offsets[i] - base;
- regs[i / 4] |= (val / 64) << (8 * (i % 4));
- }
-
- for (i = 0; i < 4; i++)
- mt76_wr(dev, MT_BCN_OFFSET(i), regs[i]);
-}
-
-void mt76x02_init_beacon_config(struct mt76x02_dev *dev)
-{
- int i;
-
- if (mt76_is_mmio(dev)) {
- /* Fire a pre-TBTT interrupt 8 ms before TBTT */
- mt76_rmw_field(dev, MT_INT_TIMER_CFG, MT_INT_TIMER_CFG_PRE_TBTT,
- 8 << 4);
- mt76_rmw_field(dev, MT_INT_TIMER_CFG, MT_INT_TIMER_CFG_GP_TIMER,
- MT_DFS_GP_INTERVAL);
- mt76_wr(dev, MT_INT_TIMER_EN, 0);
- }
-
- mt76_clear(dev, MT_BEACON_TIME_CFG, (MT_BEACON_TIME_CFG_TIMER_EN |
- MT_BEACON_TIME_CFG_TBTT_EN |
- MT_BEACON_TIME_CFG_BEACON_TX));
- mt76_set(dev, MT_BEACON_TIME_CFG, MT_BEACON_TIME_CFG_SYNC_MODE);
- mt76_wr(dev, MT_BCN_BYPASS_MASK, 0xffff);
-
- for (i = 0; i < 8; i++)
- mt76x02_mac_set_beacon(dev, i, NULL);
-
- mt76x02_set_beacon_offsets(dev);
-}
-EXPORT_SYMBOL_GPL(mt76x02_init_beacon_config);
-
void mt76x02_bss_info_changed(struct ieee80211_hw *hw,
struct ieee80211_vif *vif,
struct ieee80211_bss_conf *info,
@@ -120,7 +120,7 @@ static int mt76x2_mac_reset(struct mt76x02_dev *dev, bool hard)
mt76_clear(dev, MT_FCE_L2_STUFF, MT_FCE_L2_STUFF_WR_MPDU_LEN_EN);
mt76x02_mac_setaddr(dev, macaddr);
- mt76x02_init_beacon_config(dev);
+ mt76x02e_init_beacon_config(dev);
if (!hard)
return 0;
@@ -183,7 +183,7 @@ int mt76x2u_init_hardware(struct mt76x02_dev *dev)
mt76x02_mac_shared_key_setup(dev, i, k, NULL);
}
- mt76x02_init_beacon_config(dev);
+ mt76x02u_init_beacon_config(dev);
mt76_rmw(dev, MT_US_CYC_CFG, MT_US_CYC_CNT, 0x1e);
mt76_wr(dev, MT_TXOP_CTRL_CFG, 0x583f);
Move most of beaconing code into separate file and separate beacon initialization for USB and MMIO as pre TBTT implementation for USB will be different. Signed-off-by: Stanislaw Gruszka <sgruszka@redhat.com> --- drivers/net/wireless/mediatek/mt76/Makefile | 2 +- .../net/wireless/mediatek/mt76/mt76x0/init.c | 1 - .../net/wireless/mediatek/mt76/mt76x0/pci.c | 2 + .../net/wireless/mediatek/mt76/mt76x0/usb.c | 2 + drivers/net/wireless/mediatek/mt76/mt76x02.h | 1 + .../wireless/mediatek/mt76/mt76x02_beacon.c | 212 ++++++++++++++++++ .../net/wireless/mediatek/mt76/mt76x02_mac.c | 138 ------------ .../net/wireless/mediatek/mt76/mt76x02_mmio.c | 17 +- .../net/wireless/mediatek/mt76/mt76x02_usb.h | 1 + .../wireless/mediatek/mt76/mt76x02_usb_core.c | 6 + .../net/wireless/mediatek/mt76/mt76x02_util.c | 62 ----- .../wireless/mediatek/mt76/mt76x2/pci_init.c | 2 +- .../wireless/mediatek/mt76/mt76x2/usb_init.c | 2 +- 13 files changed, 242 insertions(+), 206 deletions(-) create mode 100644 drivers/net/wireless/mediatek/mt76/mt76x02_beacon.c